CN102829103B - Left brake assembly for engineering vehicle - Google Patents
Left brake assembly for engineering vehicle Download PDFInfo
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- CN102829103B CN102829103B CN201110175717.6A CN201110175717A CN102829103B CN 102829103 B CN102829103 B CN 102829103B CN 201110175717 A CN201110175717 A CN 201110175717A CN 102829103 B CN102829103 B CN 102829103B
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- 210000000003 hoof Anatomy 0.000 claims abstract description 178
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims description 44
- 239000000428 dust Substances 0.000 claims description 26
- 230000002787 reinforcement Effects 0.000 claims description 17
- 230000003287 optical effect Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Abstract
工程车用左制动器总成涉及在工程车左侧上制动器领域。领蹄(2)有领蹄内加强筋(99)、领蹄外加强筋(97)、领蹄外侧辅助加强筋(96)和领蹄中间辅助加强筋，从蹄(3)有从蹄内加强筋(34)、从蹄外加强筋(35)、从蹄外侧辅助加强筋(36)和从蹄中间辅助加强筋(33)；凸轮轴(1)非对称凸轮安装在从蹄滚轮(39)和领蹄滚轮(77)间；回位弹簧(4)钩装在领蹄挂簧销(80)和从蹄挂簧销(66)上，外侧双回位弹簧(5)和内侧双回位弹簧(6)都钩装在领蹄双回位弹簧销套管(90)和从蹄双回位弹簧销套管(63)上。工程车用左制动器总成有多处加强筋，强度高，非对称结构凸轮轴推力大，多条回位弹簧的回位力矩大。
A left brake assembly for an engineering vehicle relates to the field of upper brakes on the left side of an engineering vehicle. The leading hoof (2) has inner ribs for the leading hoof (99), outer ribs for the leading hoof (97), auxiliary ribs for the outer side of the leading hoof (96) and middle auxiliary ribs for the leading hoof, and the inner hoof for the leading hoof (3). Reinforcing ribs (34), reinforcing ribs (35) from outside the hoof, auxiliary reinforcing ribs (36) from the outside of the hoof and auxiliary reinforcing ribs (33) from the middle of the hoof; the asymmetric cam of the camshaft (1) is installed on the roller (39 ) and the leading shoe roller (77); the return spring (4) is hooked on the leading shoe hanging spring pin (80) and the trailing shoe hanging spring pin (66), and the outer double return spring (5) and the inner double return Bit spring (6) is all hooked on the double-return spring pin sleeve pipe (90) of the leading shoe and the double-return spring pin sleeve pipe (63) from the hoof. The left brake assembly for engineering vehicles has multiple reinforcing ribs, high strength, large thrust of the asymmetric structure camshaft, and large return torque of multiple return springs.
Description
技术领域 technical field
本发明工程车用左制动器总成涉及安装在工程车左侧上的由各零部件组装成的制动器领域。The invention relates to a left brake assembly for an engineering vehicle, which relates to the field of brakes assembled from various components installed on the left side of an engineering vehicle.
背景技术 Background technique
以往工程车用左制动器总成上只使用一根回位弹簧，则领蹄、从蹄回位速度慢，且回位弹簧易变形；以往在领蹄和从蹄上未设计有加强筋，则使领蹄和从蹄易变形，制动效果差；以往凸轮轴上对应于领蹄和从蹄两者凸轮凸面面积相等，对应于领蹄和从蹄两者凸轮凹面积也相等，这种对称结构的凸轮，使领蹄制动效能降低了，为克服上述诸缺点，应该对工程车用左制动器的回位弹簧、领蹄和从蹄的结构以及凸轮轴的凸轮结构作出突出实质的改进性的设计，以便提高工程车用左制动器总成的强度和制动效能。In the past, only one return spring was used on the left brake assembly of engineering vehicles, so the return speed of the leading shoe and the follower shoe was slow, and the return spring was easily deformed; The leading shoe and the following shoe are easily deformed, and the braking effect is poor; in the past, on the camshaft, the cam convex area corresponding to the leading shoe and the following shoe is equal, and the cam concave area corresponding to the leading shoe and the following shoe is also equal. This symmetry The structure of the cam reduces the braking efficiency of the leading shoe. In order to overcome the above shortcomings, the return spring of the left brake of the engineering vehicle, the structure of the leading shoe and the following shoe, and the cam structure of the camshaft should be significantly improved. In order to improve the strength and braking efficiency of the left brake assembly for engineering vehicles.
发明内容 Contents of the invention
本发明的目的是提供一种工程车用左制动器总成，在领蹄和从蹄的内壁上分别加有内加强筋、外加强筋、中间辅助加强筋和外侧辅助加强筋，以达到增强领蹄和从蹄强度的目的；在领蹄和从蹄间钩装有回位弹簧、外侧双回位弹簧、内侧双回位弹簧，以达到增加领蹄和从蹄之间闭合力，使领蹄和从蹄迅速回到制动前的原位；对凸轮轴的凸轮设计有领蹄对应的凸轮凸面面积大于从蹄对应的凸轮凸面面积、领蹄对应的凸轮凹面面积小于从蹄对应的凸轮凹面面积的不对称结构，以达到增强领蹄制动效能的目的。The purpose of the present invention is to provide a left brake assembly for engineering vehicles, in which inner reinforcement ribs, outer reinforcement ribs, middle auxiliary reinforcement ribs and outer auxiliary reinforcement ribs are respectively added on the inner walls of the leading shoe and the trailing shoe, so as to achieve the purpose of strengthening the collar. The purpose of the strength of the hoof and the hoof; the hook between the leading hoof and the hoof is equipped with a return spring, an outer double return spring, and an inner double return spring to increase the closing force between the leading hoof and the slave hoof, so that the leading hoof And the slave shoe quickly returns to the original position before braking; the cam design of the camshaft has the cam convex area corresponding to the leading shoe larger than the cam convex area corresponding to the slave shoe, and the cam concave area corresponding to the leading shoe is smaller than the cam concave surface corresponding to the slave shoe The asymmetric structure of the area achieves the purpose of enhancing the braking performance of the leading shoe.
工程车用左制动器总成，它由凸轮轴、领蹄、从蹄、回位弹簧、外侧双回位弹簧、内侧双回位弹簧、衬套、制动器底板、左气室支架、左调整臂、领蹄滚轮销、从蹄滚轮销、领蹄滚轮、从蹄滚轮、领蹄蹄销、从蹄蹄销、止动板和防尘罩组成，在领蹄内壁内有领蹄内加强筋、领蹄外加强筋、领蹄外侧辅助加强筋和领蹄中间辅助加强筋，在从蹄内壁内有从蹄内加强筋、从蹄外加强筋、从蹄外侧辅助加强筋和从蹄中间辅助加强筋；穿装在从蹄滚轮内的从蹄滚轮销穿装在从蹄的外侧从蹄滚轮销孔和内侧从蹄滚轮销孔中，穿装在领蹄滚轮内的领蹄滚轮销穿装在领蹄的外侧领蹄滚轮销孔和内侧领蹄滚轮销孔中；从蹄蹄销穿装在从蹄蹄销安装座的从蹄蹄销安装孔中和制动器底板的右内外从蹄蹄销安装孔、左内侧从蹄蹄销安装孔中，领蹄蹄销穿装在领蹄蹄销安装座的领蹄蹄销安装孔中和制动器底板的右外侧领蹄蹄销安装孔、左内侧领蹄蹄销安装孔中，止动板通过锁止垫片、紧固止动板螺栓安装在从蹄蹄销卡槽和领蹄蹄销卡槽中；凸轮轴的凸轮安装在从蹄滚轮和领蹄滚轮之间，凸轮轴的光轴穿装在制动器底板凸轮轴安装孔和左气室支架凸轮轴安装孔中，凸轮轴花键穿装在左调整臂的内花键孔中，卡簧卡装在凸轮轴卡槽内；回位弹簧的回位弹簧左弹簧钩和回位弹簧右弹簧钩分别钩装在领蹄挂簧销的领蹄挂簧销卡槽内和从蹄挂簧销的从蹄挂簧销卡槽内，外侧双回位弹簧的两端和内侧双回位弹簧的两端分别钩装在领蹄双回位弹簧销套管和从蹄双回位弹簧销套管上。The left brake assembly for engineering vehicles consists of camshaft, leading shoe, follower shoe, return spring, outer double return spring, inner double return spring, bushing, brake bottom plate, left air chamber bracket, left adjustment arm, The leading shoe roller pin, the secondary shoe roller pin, the leading shoe roller, the secondary shoe roller, the leading shoe pin, the secondary shoe pin, the stop plate and the dust cover. Outer ribs, auxiliary ribs on the outer side of the leading hoof, and auxiliary ribs in the middle of the leading hoof; inside the inner wall of the hoof, there are ribs on the inner side of the hoof, outer ribs, auxiliary ribs on the outer side of the hoof, and auxiliary ribs in the middle of the hoof ; The follower shoe roller pin installed in the follower shoe roller is installed in the outer follower shoe roller pin hole and the inner follower shoe roller pin hole of the follower shoe; The outer leading shoe roller pin hole and the inner leading shoe roller pin hole of the shoe; the secondary shoe pin is installed in the secondary shoe pin mounting hole of the secondary shoe pin mounting seat and the right inner and outer secondary shoe pin mounting holes of the brake base plate , the left inner side from the shoe pin installation hole, the collar pin through the collar pin installation hole of the collar pin mounting seat and the right outer collar pin installation hole of the brake base plate, the left inner collar pin In the pin installation hole, the stop plate is installed in the slot of the slave shoe pin and the lead shoe pin through the lock washer and the fastening bolt of the stop plate; the cam of the camshaft is installed on the slave shoe roller and the leader shoe roller The optical axis of the camshaft is installed in the camshaft installation hole of the brake base plate and the camshaft installation hole of the left air chamber bracket, the camshaft spline is installed in the inner spline hole of the left adjustment arm, and the circlip is installed in the In the camshaft slot; the return spring left spring hook and the return spring right spring hook are respectively hooked into the leading shoe hanging spring pin slot of the leading shoe hanging spring pin and the secondary shoe hanging spring pin of the secondary shoe In the spring pin draw-in groove, the two ends of the outer double return spring and the two ends of the inner double return spring are respectively hooked on the leading hoof double return spring pin sleeve and the slave hoof double return spring pin sleeve.
为了加强领蹄和从蹄的强度，在领蹄内壁上连接的圆弧形相互平行的领蹄内加强筋和领蹄外加强筋之间的领蹄内外两加强筋间凹槽内连接有领蹄中间辅助加强筋，在领蹄内加强筋外侧和领蹄外加强筋外侧分别连接有领蹄外侧辅助加强筋。In order to strengthen the strength of the leading hoof and the following hoof, a collar is connected in the groove between the inner and outer ribs of the leading hoof, which are connected on the inner wall of the leading hoof and are parallel to each other. The auxiliary reinforcing rib in the middle of the hoof is connected with the outer auxiliary reinforcing rib of the leading hoof respectively on the outer side of the inner rib of the leading hoof and the outer side of the outer rib of the leading hoof.
在从蹄内壁上连接的圆弧形相互平行的从蹄内加强筋和从蹄外加强筋之间的从蹄内外两加强筋凹槽内连接有从蹄中间辅助加强筋，在从蹄内加强筋外侧和从蹄外加强筋外侧分别连接有从蹄外侧辅助加强筋。There is an auxiliary reinforcement rib in the middle of the hoof, which is connected to the inner and outer ribs of the hoof, which are parallel to each other on the inner wall of the hoof. The outer side of the rib and the outer side of the outer side of the hoof are respectively connected with auxiliary reinforcing ribs from the outer side of the hoof.
在凸轮轴的光轴两端分别连接有凸轮和凸轮轴花键，凸轮为非对称结构，领蹄对应的凸轮凸面面积大小从蹄对应的凸轮凸面面积，领蹄对应的凸轮凹面面积小于从蹄对应的凸轮凹面面积。在凸轮轴花键外端凸轮轴卡簧槽内卡装有卡簧，以防穿装在制动器底板的制动器底板凸轮安装孔内、左气室支架的左气室支架凸轮轴安装孔内和左调臂的左调整臂内花键孔内的凸轮轴作轴向窜动，安装在光轴上的衬套使凸轮轴的凸轮与制动器底板相间隔开，调整垫片安装在左气室支架和左调整臂之间，调整左气室支架和左调整臂两者间的间隙。The two ends of the optical axis of the camshaft are respectively connected with a cam and a camshaft spline. The cam is an asymmetric structure. The cam convex area corresponding to the leading shoe is larger than the convex surface area of the cam corresponding to the slave shoe, and the concave surface area of the cam corresponding to the leading shoe is smaller than that of the slave shoe. Corresponding cam concave area. A circlip is clamped in the camshaft circlip groove at the outer end of the camshaft spline to prevent it from being installed in the cam mounting hole of the brake bottom plate of the brake bottom plate, the camshaft mounting hole of the left air chamber bracket of the left air chamber bracket, and the left The camshaft in the spline hole in the left adjusting arm of the adjusting arm moves axially, the bush installed on the optical axis separates the cam of the camshaft from the brake bottom plate, and the adjusting gasket is installed on the left air chamber bracket and Between the left adjusting arm, adjust the gap between the left air chamber bracket and the left adjusting arm.
领蹄蹄销安装在领蹄蹄销安装座的领蹄蹄销安装孔内、制动器底板的右外侧领蹄蹄销安装孔内和左内侧领蹄蹄销安装孔内，从蹄蹄销安装在从蹄蹄销安装座的从蹄蹄销安装孔内、制动器底板的右外侧从蹄蹄销安装孔内和左内侧从蹄蹄销安装孔中。The collar pin is installed in the collar pin installation hole of the collar pin mounting seat, the right outer collar pin installation hole and the left inner collar pin installation hole of the brake base plate. From the shoe pin installation hole of the shoe pin mounting seat, the right outer side of the brake base plate from the shoe pin installation hole and the left inner side from the shoe pin installation hole.
止动板两端分别被卡装在领蹄蹄销的领蹄蹄销卡槽中和从蹄蹄销的从蹄蹄销卡槽中，紧固止动板螺钉穿装在锁止垫片的锁止垫片螺栓孔内、止动板的止动板螺栓孔内和制动器底板的止动板螺纹孔中，以便固定领蹄蹄销和从蹄蹄销。The two ends of the stop plate are respectively snapped into the lead pin slot of the lead pin and the slave pin slot of the follower pin, and the screws for fastening the stop plate are mounted on the lock washer. In the bolt hole of the lock washer, in the bolt hole of the stop plate of the stop plate and in the threaded hole of the stop plate of the brake base plate, so as to fix the lead shoe pin and the follower shoe pin.
回位弹簧由回位弹簧中间拉杆和其左右两侧的回位弹簧左簧圈、回位弹簧右簧圈组成，在回位弹簧左簧圈外端连接有回位弹簧左弹簧钩，在回位弹簧右簧圈外端连接有回位弹簧右弹簧钩，回位弹簧左弹簧钩钩装在领蹄挂簧销的领蹄挂簧销卡槽中，回位弹簧右弹簧钩钩装在从蹄挂簧销的从蹄挂簧销卡槽中，领蹄挂簧销穿装在领蹄上的领蹄挂簧销孔中，从蹄挂簧销穿装在从蹄上的从蹄挂簧销孔中，在从蹄外加强筋上开有从蹄挂簧销孔、从蹄双回位弹簧销孔和从蹄辅助安装用孔，在领蹄外加强筋上开有领蹄挂簧销孔、领蹄双回位弹簧销孔和领蹄辅助安装用孔。The return spring is composed of the middle pull rod of the return spring, the left spring coil of the return spring and the right coil of the return spring on the left and right sides of the return spring. The left spring hook of the return spring is connected to the outer end of the left coil of the return spring. The right spring hook of the return spring is connected to the outer end of the right coil of the position spring, the left spring hook of the return spring is installed in the collar shoe hanging spring pin slot of the collar shoe hanging spring pin, and the right spring hook of the return spring is installed in the The hanging spring pin of the hoof is inserted into the slot of the hanging spring pin of the hoof. In the pin holes, there are pin holes for hanging springs of the slave hoof, double-return spring pin holes of the slave hoof, and auxiliary installation holes for the slave hoof on the outer reinforcing rib of the hoof. Hole, collar shoe double return spring pin hole and collar shoe auxiliary installation hole.
外侧双回位弹簧由外侧双回位弹簧中间拉杆及其两侧相连的外侧双回位弹簧左簧圈和外侧双回位弹簧右簧圈组成，与外侧双回位弹簧左簧圈外相连的外侧双回位弹簧左弹簧钩钩装在领蹄双回位弹簧销套管上，与外侧双回位弹簧右簧圈外相连的外侧双回位弹簧右弹簧钩钩装在从蹄双回位弹簧销套管上。内侧双回位弹簧与外侧双回位弹簧两者结构相同，安装方法相同。The outer double return spring is composed of the middle pull rod of the outer double return spring and the left coil of the outer double return spring connected on both sides and the right coil of the outer double return spring, which is connected with the left coil of the outer double return spring The left spring hook of the outer double-return spring is installed on the double-return spring pin sleeve of the collar shoe, and the right spring hook of the outer double-return spring connected to the right coil of the outer double-return spring is installed on the double-return spring of the slave shoe. on the spring pin bushing. The inner double return spring has the same structure as the outer double return spring, and the installation method is the same.
在领蹄上的领蹄双回位弹簧销套管的领蹄双回位弹簧销套管销孔内穿装的领蹄双回位弹簧销穿装在领蹄的领蹄双回位弹簧销孔中；在从蹄上的从蹄双回位弹簧销套管的从蹄双回位弹簧销套管销孔内穿装的从蹄双回位弹簧销穿装在从蹄双回位弹簧销孔中。Collar shoe double return spring pin on collar shoe Collar shoe double return spring pin sleeve pin hole Collar shoe double return spring pin threaded on collar shoe Collar shoe double return spring pin In the hole; the slave shoe double return spring pin on the slave shoe is worn in the slave shoe double return spring pin sleeve pin hole in the hole.
在领蹄上穿装的领蹄滚轮销穿装在外侧领蹄滚轮销孔和内侧领蹄滚轮销孔中，领蹄滚轮销穿装在领蹄滚轮的领蹄滚轮销孔中，领蹄滚轮销卡环卡装在领蹄滚轮销卡槽，以防止领蹄滚轮销轴向窜动，领蹄滚轮位于领蹄滚轮安装槽中。The collar shoe roller pin mounted on the collar shoe is installed in the outer collar shoe roller pin hole and the inner collar shoe roller pin hole, the collar shoe roller pin is installed in the collar shoe roller pin hole of the collar shoe roller, and the collar shoe roller The pin clasp ring is clamped in the pin slot of the collar shoe roller to prevent axial movement of the collar shoe roller pin, and the collar shoe roller is located in the collar shoe roller installation groove.
在从蹄上穿装的从蹄滚轮销穿装在外侧从蹄滚轮销孔和内侧从蹄滚轮销孔中，从蹄滚轮销穿装在从蹄滚轮的从蹄滚轮销孔中，从蹄滚销卡环卡装在从蹄滚轮销卡槽中，以防止从蹄滚轮销轴向窜动，从蹄滚轮位于从蹄滚轮安装槽中。The slave hoof roller pin worn on the slave hoof is worn in the pin hole of the outer slave hoof roller and the pin hole of the inner slave hoof roller, and the slave hoof roller pin is worn in the slave hoof roller pin hole of the slave hoof roller, and the slave shoe is rolled The pin snap ring is snapped into the slot of the slave shoe roller pin to prevent the axial movement of the slave shoe roller pin, and the slave shoe roller is located in the installation groove of the slave shoe roller.
在制动器底板的车桥螺栓安装孔中穿装有车桥螺栓，将制动器底板固定在车桥上。Axle bolts are installed in the axle bolt installation holes of the brake base plate, and the brake base plate is fixed on the axle.
在制动器底板的防尘罩安装螺纹孔和防尘罩的防尘罩螺纹孔中，穿装有防尘罩螺栓，使防尘罩安装在制动器底板上，防尘罩可对工程车左制动器内部进行防尘。The threaded hole for installing the dust cover on the brake base plate and the threaded hole of the dust cover of the dust cover are fitted with dust cover bolts so that the dust cover is installed on the brake base plate, and the dust cover can be placed inside the left brake of the engineering vehicle. Protect against dust.
在防尘罩的防尘罩堵塞孔内安装有堵塞，以防灰尘由防尘罩堵塞孔进入到工程车左制动器内，还可以从防尘罩堵塞孔向内观察领蹄摩擦片和从蹄摩擦片的磨损情况。A plug is installed in the plugging hole of the dust cover to prevent dust from entering the left brake of the engineering vehicle through the plugging hole of the dust cover, and the leading shoe friction plate and the trailing shoe can be observed from the plugging hole of the dust cover. Wear of the friction lining.
在领蹄的领蹄铆钉孔中和领蹄摩擦片的领蹄摩擦片铆钉孔中铆接有铆钉，使领蹄摩擦片铆接在领蹄上。A rivet is riveted in the rivet hole of the collar shoe and in the rivet hole of the collar shoe friction plate of the collar shoe, so that the collar shoe friction plate is riveted on the collar shoe.
在从蹄的从蹄铆钉孔中和从蹄摩擦片的从蹄摩擦片铆钉孔中铆接有铆钉，使从蹄摩擦片铆接在从蹄上。A rivet is riveted in the rivet hole of the slave hoof and the rivet hole of the slave hoof friction plate, so that the slave hoof friction plate is riveted on the slave hoof.
本发明工程车用左制动器总成优点是领蹄和从蹄上分别有多处加强筋，强度高；凸轮轴的凸轮为非对称结构，领蹄对应的凸轮轴凸面大于从蹄对应的凸轮轴凸面，凸轮轴的凸轮推动的领蹄滚轮比从蹄滚轮上的推动力大，则使工程车用左制动器制动力强；采用了回位弹簧、外侧双回位弹簧和内侧双回位弹簧，则弹簧收缩时，提供的回位力矩大，能从领蹄和从蹄迅速回到原位。The advantage of the left brake assembly for engineering vehicles of the present invention is that there are multiple reinforcing ribs on the leading shoe and the secondary shoe respectively, and the strength is high; the cam of the camshaft has an asymmetric structure, and the camshaft convex surface corresponding to the leading shoe is larger than the camshaft corresponding to the secondary shoe Convex surface, the driving force of the leading shoe roller driven by the cam of the camshaft is greater than that of the slave shoe roller, so that the left brake of the engineering vehicle has a stronger braking force; the return spring, the outer double return spring and the inner double return spring are adopted. Then when the spring shrinks, the return torque provided is large, and the leading hoof and the slave hoof can quickly return to the original position.
附图说明 Description of drawings
图1：工程车用左制动器总成三维示意图。Figure 1: Three-dimensional schematic diagram of the left brake assembly for engineering vehicles.
图2：凸轮轴1在制动器底板13、左气室支架15和左调整臂18上轴向穿装的三维爆炸示意图。Fig. 2: A three-dimensional exploded schematic diagram of the camshaft 1 axially pierced on the brake base plate 13, the left air chamber support 15 and the left adjustment arm 18.
图3：在领蹄2和从蹄3上安装的制动器底板13、领蹄滚轮销76、领蹄滚轮77、从蹄滚轮销37、从蹄滚轮39以及领蹄蹄销79、从蹄蹄销46、止动板48三维爆炸示意图。Figure 3: Brake base plate 13, leading hoof roller pin 76, leading hoof roller 77, slave hoof roller pin 37, slave hoof roller 39, leading hoof hoof pin 79, slave hoof hoof pin installed on leading hoof 2 and slave hoof 3 46. A schematic diagram of three-dimensional explosion of the stop plate 48.
图4；回位弹簧4、外侧双回位弹簧5和内侧双回位弹簧6安装在领蹄2和从蹄3的三维爆炸示意图。Fig. 4 ; a three-dimensional exploded schematic diagram of the return spring 4 , the outer double return spring 5 and the inner double return spring 6 installed on the leading shoe 2 and the slave shoe 3 .
图5：领蹄摩擦片72、从蹄摩擦片73和防尘罩69安装在领蹄2和从蹄3上的三维爆炸示意图。Fig. 5: A three-dimensional exploded schematic diagram of the leading shoe friction plate 72, the secondary shoe friction plate 73 and the dust cover 69 installed on the leading shoe 2 and the secondary shoe 3.
具体实施方式 Detailed ways
参见各附图，工程车用左制动器总成，它由凸轮轴1、领蹄2、从蹄3、回位弹簧4、外侧双回位弹簧5、内侧双回位弹簧6、衬套12、制动器底板13、左气室支架15、左调整臂18、领蹄滚轮销76、从蹄滚轮销37、领蹄滚轮77、从蹄滚轮39、领蹄蹄销79、从蹄蹄销46、止动板48和防尘罩69组成，在领蹄2内壁内有领蹄内加强筋99、领蹄外加强筋97、领蹄外侧辅助加强筋96和领蹄中间辅助加强筋，在从蹄3内壁内有从蹄内加强筋34、从蹄外加强筋35、从蹄外侧辅助加强筋36和从蹄中间辅助加强筋33；穿装在从蹄滚轮39内的从蹄滚轮销37穿装在从蹄3的外侧从蹄滚轮销孔27和内侧从蹄滚轮销孔25中，穿装在领蹄滚轮77内的领蹄滚轮销76穿装在领蹄2的外侧领蹄滚轮销孔88和内侧领蹄滚轮销孔中；从蹄蹄销46穿装在从蹄蹄销安装座31的从蹄蹄销安装孔32中和制动器底板13的右内侧从蹄蹄销安装孔45、左内侧从蹄蹄销安装孔42中，领蹄蹄销79穿装在领蹄蹄销安装座78的领蹄蹄销安装孔82中和制动器底板13的右外侧领蹄蹄销安装孔87、左内侧领蹄蹄销安装孔86中，止动板48通过锁止垫片50、紧固止动板螺栓52安装在从蹄蹄销卡槽47和领蹄蹄销卡槽中；凸轮轴1的凸轮安装在从蹄滚轮39和领蹄滚轮77之间，凸轮轴1的光轴9穿装在制动器底板凸轮轴安装孔14和左气室支架凸轮轴安装孔16中，凸轮轴花键10穿装在左调整臂18的内花键孔19中，卡簧21卡装在凸轮轴卡槽11内；回位弹簧4的回位弹簧左弹簧钩53和回位弹簧右弹簧钩57分别钩装在领蹄挂簧销80的领蹄挂簧销卡槽93内和从蹄挂簧销66的从蹄挂簧销卡槽92内，外侧双回位弹簧5的两端和内侧双回位弹簧6的两端分别钩装在领蹄双回位弹簧销套管90和从蹄双回位弹簧销套管63上。Referring to the accompanying drawings, the left brake assembly for engineering vehicles consists of a camshaft 1, a leading shoe 2, a slave shoe 3, a return spring 4, an outer double return spring 5, an inner double return spring 6, a bushing 12, Brake bottom plate 13, left air chamber bracket 15, left adjustment arm 18, leading hoof roller pin 76, slave hoof roller pin 37, leading hoof roller 77, slave hoof roller 39, leading hoof pin 79, slave hoof pin 46, stop The moving plate 48 and the dust cover 69 are composed of the inner rib 99 of the collar hoof, the outer rib 97 of the collar hoof, the auxiliary rib 96 outside the collar hoof and the auxiliary rib 96 in the middle of the collar hoof. In the inner wall, there are reinforcement ribs 34 from the hoof, outer reinforcement ribs 35 from the hooves, auxiliary reinforcement ribs 36 from the outside of the hooves, and auxiliary reinforcement ribs 33 from the middle of the hooves; From the outside of the hoof 3 from the hoof roller pin hole 27 and the inner side from the hoof roller pin hole 25, the collar hoof roller pin 76 that is installed in the collar hoof roller 77 is worn on the outer collar hoof roller pin hole 88 and the collar hoof roller pin hole 88 of the collar hoof 2. Inboard leading hoof roller pin hole; from hoof pin 46 wears in from hoof pin mounting hole 32 of hoof pin mounting base 31 and from hoof pin installation hole 45 on the right inner side of brake bottom plate 13, left inner side from hoof pin installation hole 32 In the hoof pin installation hole 42, the collar hoof pin 79 is installed in the collar hoof pin installation hole 82 of the collar hoof pin mounting seat 78 and the right outer collar hoof pin installation hole 87 of the brake base plate 13, and the left inner collar pin. In the hoof pin mounting hole 86, the stop plate 48 is installed in the slave hoof pin slot 47 and the leading hoof pin slot through the lock washer 50 and the fastening stop plate bolt 52; the cam of the camshaft 1 is installed Between the slave shoe roller 39 and the leading shoe roller 77, the optical axis 9 of the camshaft 1 is installed in the brake base plate camshaft installation hole 14 and the left air chamber bracket camshaft installation hole 16, and the camshaft spline 10 is installed in the In the inner spline hole 19 of the left adjusting arm 18, the circlip 21 is clamped in the camshaft slot 11; the return spring left spring hook 53 and the return spring right spring hook 57 of the return spring 4 are respectively hooked in the collar In the leading shoe hanging spring pin slot 93 of the shoe hanging spring pin 80 and in the shoe hanging spring pin locking groove 92 of the shoe hanging spring pin 66, the two ends of the outer double return spring 5 and the inner double return spring 6 The two ends are respectively hooked on the double-return spring pin sleeve 90 of the leading shoe and the double-return spring pin sleeve 63 of the slave shoe.
参见图4，在领蹄2内壁上连接的圆弧形相互平行的领蹄内加强筋99和领蹄外加强筋97之间的领蹄内外两加强筋间凹槽98内连接有领蹄中间辅助加强筋，在领蹄内加强筋99外侧和领蹄外加强筋97外侧分别连接有领蹄外侧辅助加强筋96。Referring to Fig. 4, on the inner wall of the collar shoe 2, the arc-shaped inner ribs 99 parallel to each other and the outer ribs 97 of the collar hoof are connected to each other in the groove 98 between the inner and outer ribs of the collar hoof. Auxiliary reinforcing ribs are respectively connected to the outer sides of the inner ribs 99 of the collar hoof and the outer sides of the outer ribs 97 of the collar hoof.
参见图1、图3和图4，在从蹄3内壁上连接的圆弧形相互平行的从蹄内加强筋34和从蹄外加强筋35之间的从蹄内外两加强筋凹槽67内连接有从蹄中间辅助加强筋33，在从蹄内加强筋34外侧和从蹄外加强筋35外侧分别连接有从蹄外侧辅助加强筋36。Referring to Fig. 1, Fig. 3 and Fig. 4, in the inner and outer rib grooves 67 between the inner ribs 34 of the inner hoof and the outer ribs 35 of the inner hoof which are parallel to each other in arc shape connected on the inner wall of the hoof 3 An auxiliary reinforcing rib 33 from the middle of the hoof is connected, and an auxiliary reinforcing rib 36 from the outer side of the hoof is respectively connected to the outer side of the inner reinforcing rib 34 and the outer rib 35 from the hoof.
参见图2，在凸轮轴1的光轴9两端分别连接有凸轮和凸轮轴花键10，凸轮为非对称结构，领蹄对应的凸轮凸面7面积大于从蹄对应的凸轮凸面面积，领蹄对应的凸轮凹面8面积小于从蹄对应的凸轮凹面面积。Referring to Fig. 2, a cam and a camshaft spline 10 are connected to the two ends of the optical axis 9 of the camshaft 1 respectively. The corresponding cam concave surface 8 area is smaller than the corresponding cam concave surface area from the shoe.
在凸轮轴花键10外端凸轮轴卡簧槽11内卡装有卡簧21，凸轮轴1的光轴9穿装在制动器底板13的制动器底板凸轮安装孔14内和左气室支架15的左气室支架凸轮轴安装孔16内，凸轮轴1的凸轮轴花键10穿装在左调整臂18的左调整臂内花键孔19内，安装在凸轮轴1的光轴9上的衬套12被安装在凸轮轴1的凸轮和制动器底板13之间；调整垫片20安装在左气室支架15和左调整臂18之间的凸轮轴1上。A circlip 21 is clamped in the camshaft circlip groove 11 at the outer end of the camshaft spline 10, and the optical axis 9 of the camshaft 1 is installed in the brake bottom plate cam mounting hole 14 of the brake bottom plate 13 and in the left air chamber bracket 15. In the camshaft mounting hole 16 of the left air chamber bracket, the camshaft spline 10 of the camshaft 1 is worn in the spline hole 19 of the left adjusting arm of the left adjusting arm 18, and the lining installed on the optical axis 9 of the camshaft 1 The sleeve 12 is installed between the cam of the camshaft 1 and the brake base plate 13; the adjusting washer 20 is installed on the camshaft 1 between the left air chamber bracket 15 and the left adjusting arm 18.
参见图3，领蹄蹄销79安装在领蹄蹄销安装座78的领蹄蹄销安装孔82内、制动器底板13的右外侧领蹄蹄销安装孔87内和左内侧领蹄蹄销安装孔86内，从蹄蹄销46安装在从蹄蹄销安装座31的从蹄蹄销安装孔32内、制动器底板13的右外侧从蹄蹄销安装孔45内和左内侧从蹄蹄销安装孔42中。Referring to Fig. 3, the collar pin 79 is installed in the collar pin installation hole 82 of the collar pin mounting seat 78, the right outer collar pin installation hole 87 of the brake base plate 13 and the left inner collar pin installation In the hole 86, the slave shoe pin 46 is installed in the shoe shoe pin installation hole 32 of the shoe shoe pin mounting seat 31, the right outer side of the brake base plate 13 is installed from the shoe shoe pin installation hole 45 and the left inner side is installed from the shoe shoe pin In hole 42.
如图3所示，止动板48两端分别被卡装在领蹄蹄销79的领蹄蹄销卡槽中和从蹄蹄销46的从蹄蹄销卡槽47中，紧固止动板螺栓52穿装在锁止垫片50的锁止垫片孔51内、止动板48的止动板螺栓孔49内和制动器底板13的止动板螺栓螺纹孔44内，锁止垫片50安装在止动板48上。As shown in Figure 3, the two ends of the stop plate 48 are respectively clamped in the leading hoof pin groove of the leading hoof pin 79 and the slave hoof pin groove 47 of the slave hoof pin 46 to fasten and stop The plate bolts 52 are installed in the lock washer hole 51 of the lock washer 50, the stop plate bolt hole 49 of the stop plate 48 and the stop plate bolt threaded hole 44 of the brake base plate 13, and the lock washer 50 is installed on the stop plate 48.
参见图4，回位弹簧4由回位弹簧中间拉杆55和其左右两端分别穿装在的回位弹簧左簧圈54和回位弹簧右簧圈56中，回位弹簧左簧圈54外端连接有回位弹簧左弹簧钩53，回位弹簧右簧圈56外端连接有回位弹簧右弹簧钩57。Referring to Fig. 4, the return spring 4 is respectively worn in the return spring left coil 54 and the return spring right coil 56 by the return spring middle pull rod 55 and its left and right ends, and the return spring left coil 54 is End is connected with return spring left spring hook 53, and return spring right coil 56 outer end is connected with return spring right spring hook 57.
回位弹簧左弹簧钩53钩装在领蹄挂簧销80的领蹄挂簧销卡槽93中，回位弹簧右弹簧钩57钩装在从蹄挂簧销66的从蹄挂簧销卡槽92中。Return spring left spring hook 53 is hooked in the leading hoof hanging spring pin slot 93 of the collar hoof hanging spring pin 80, and the return spring right spring hook 57 is hooked in the slave hoof hanging spring pin 66 of the hoof hanging spring pin. slot 92.
领蹄2上的领蹄挂簧销80穿装在领蹄2上的领蹄挂簧销孔94中，从蹄3上的从蹄挂簧销66穿装在从蹄3上的从蹄挂簧销孔28中。The leading shoe hanging spring pin 80 on the leading shoe 2 is installed in the leading shoe hanging spring pin hole 94 on the leading shoe 2, and the secondary shoe hanging spring pin 66 on the secondary shoe 3 is installed in the secondary shoe hanging spring pin 66 on the secondary shoe 3. Spring pin hole 28.
在领蹄2的领蹄外加强筋97上开有从蹄挂簧销孔94、领蹄双回位弹簧销孔95和从蹄辅助安装用孔；在从蹄3的外加强筋35上开有从蹄挂簧销孔28、从蹄双回位弹簧销孔29和从蹄辅助安装用孔30。On the outer stiffener 97 of the collar hoof 2, there are pin holes 94 for hanging springs from the hoof, double-return spring pin holes 95 for the collar hoof, and holes for auxiliary installation from the hoof; There are spring pin holes 28 from the hoof, double return spring pin holes 29 from the hoof and auxiliary installation holes 30 from the hoof.
参见图4，外侧双回位弹簧5的外侧双回位弹簧中间拉杆60左右两端分别与外侧双回位弹簧左簧圈59和外侧双回位弹簧右簧圈61相连接，与外侧双回位弹簧左簧圈59外端相连的外侧双回位弹簧左弹簧钩58钩装在领蹄2的领蹄双回位弹簧销套管90上，与外侧双回位弹簧右簧圈61外端相连的外侧双回位弹簧右弹簧钩62钩装在从蹄双回位弹簧销套管63上。Referring to Fig. 4, the left and right ends of the outer double return spring intermediate pull rod 60 of the outer double return spring 5 are respectively connected with the left coil 59 of the outer double return spring and the right coil 61 of the outer double return spring, and are connected with the outer double return spring. The outside double-return spring left spring hook 58 hook that links to each other at the left spring coil 59 outer ends of the position spring is contained on the collar shoe double-return spring pin sleeve 90 of the collar shoe 2, and is connected with the outside double-return spring right coil 61 outer ends. The right spring hook 62 hook of the connected outside double return spring is contained on the double return spring pin sleeve pipe 63 from the hoof.
内侧双回位弹簧6与外侧双回位弹簧5两者结构相同，安装方法相同。The inner double return spring 6 has the same structure as the outer double return spring 5, and the installation method is the same.
在领蹄2上的领蹄双回位弹簧销套管90的领蹄双回位弹簧销套管销孔91内穿装的领蹄双回位弹簧销81穿装在领蹄2的领蹄双回位弹簧销孔95中；在从蹄3上的从蹄双回位弹簧销套管63的从蹄双回位弹簧销套管销孔64内穿装的从蹄双回位弹簧销65穿装在从蹄双回位弹簧销孔29中。The collar hoof double return spring pin sleeve 90 of the collar hoof double return spring pin sleeve pin hole 91 on the collar hoof 2 wears the collar hoof double return spring pin 81 worn on the collar hoof 2 of the collar hoof In the double-return spring pin hole 95; the double-return spring pin 65 from the shoe double-return spring pin bushing 63 from the shoe double-return spring pin sleeve pin hole 64 on the shoe 3 It is installed in the double return spring pin hole 29 from the hoof.
参见图3，在领蹄2上的领蹄滚轮销76穿装在领蹄滚轮77的领蹄滚轮销孔84中，在领蹄滚轮销76的领蹄滚轮销卡槽89中卡装有领蹄滚轮销卡环85；在从蹄3上的从蹄滚轮销37穿装在从蹄滚轮39的从蹄滚轮销孔40中，在从蹄滚轮销37的从蹄滚轮销卡槽38中卡装有从蹄滚轮销卡环41。从蹄滚轮39安装在从蹄滚轮安装槽26中。Referring to Fig. 3, the collar shoe roller pin 76 on the collar shoe 2 is fitted in the collar shoe roller pin hole 84 of the collar shoe roller 77, and the collar shoe roller pin 76 is clamped in the collar shoe roller pin slot 89 of the collar shoe roller pin 76. The hoof roller pin snap ring 85; the hoof roller pin 37 on the hoof 3 is fitted in the hoof roller pin hole 40 of the hoof roller 39, and is locked in the hoof roller pin groove 38 of the hoof roller pin 37. The roller pin snap ring 41 from the hoof is housed. The shoe roller 39 is installed in the shoe roller mounting groove 26.
参见图2和图3，在制动器底板13的车桥螺栓安装孔22中穿装有车桥螺栓，将制动器底板13固定在车桥上。Referring to FIG. 2 and FIG. 3 , axle bolts are installed in the axle bolt mounting holes 22 of the brake base plate 13 to fix the brake base plate 13 on the axle.
参见图2和图5，在制动器底板13的防尘罩安装螺纹孔23和防尘罩69的防尘罩螺纹孔71中，穿装有防尘罩螺栓，使防尘罩69安装在制动器底板13上。Referring to Fig. 2 and Fig. 5, in the dust cover installation threaded hole 23 of the brake base plate 13 and the dust cover threaded hole 71 of the dust cover 69, the dust cover bolts are installed, so that the dust cover 69 is installed on the brake base plate 13 on.
参见图5，在防尘罩69的防尘罩堵塞孔70中安装有堵塞68。Referring to FIG. 5 , a plug 68 is installed in a dust cover plug hole 70 of the dust cover 69 .
参见图3和图5，在领蹄2上的领蹄铆钉孔24中和领蹄摩擦片72的领蹄摩擦片铆钉孔74中铆接有铆钉，使领蹄摩擦片72铆接在领蹄2上；在从蹄3上的从蹄铆钉孔中和从蹄摩擦片73的从蹄摩擦片铆钉孔75中铆接有铆钉，使从蹄摩擦片73铆接在从蹄3上。Referring to Fig. 3 and Fig. 5, rivets are riveted in the collar shoe rivet hole 24 on the collar shoe 2 and in the collar shoe friction plate rivet hole 74 of the collar shoe friction plate 72, so that the collar shoe friction plate 72 is riveted on the collar shoe 2 In the rivet hole from the hoof 3 on the hoof and from the rivet hole 75 of the hoof friction plate 73 from the hoof friction plate, a rivet is riveted, so that the rivet from the hoof friction plate 73 is riveted on the hoof 3.
在制动器底板13的蹄销座槽43中安装有领蹄蹄销安装座78和从蹄蹄销安装座31。The leading hoof pin mount 78 and the slave hoof pin mount 31 are installed in the hoof pin seat groove 43 of the brake base plate 13 .
Claims (11)
Priority Applications (1)
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| CN201110175717.6A CN102829103B (en) | 2011-06-17 | 2011-06-17 | Left brake assembly for engineering vehicle |
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| CN201110175717.6A CN102829103B (en) | 2011-06-17 | 2011-06-17 | Left brake assembly for engineering vehicle |
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| CN102829103A CN102829103A (en) | 2012-12-19 |
| CN102829103B true CN102829103B (en) | 2015-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110175717.6A Active CN102829103B (en) | 2011-06-17 | 2011-06-17 | Left brake assembly for engineering vehicle |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047320A (en) * | 2012-12-20 | 2013-04-17 | 青特集团有限公司 | Bearing bridge leading-trailing type brake |
| CN103148128B (en) * | 2013-03-21 | 2016-04-06 | 江苏汤臣汽车零部件有限公司 | Lightweight brake backing plate and manufacturing process thereof |
| CN104455107A (en) * | 2013-09-24 | 2015-03-25 | 中国重汽集团济南动力有限公司 | Novel drum brake |
| CN103821854A (en) * | 2013-12-18 | 2014-05-28 | 青特集团有限公司 | Novel camshaft structure |
| CN109877705B (en) * | 2019-04-04 | 2024-01-02 | 吉安职业技术学院 | Conjugate cam error compensation device based on follow-up grinding |
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| JPH1113798A (en) * | 1997-06-25 | 1999-01-22 | Nisshinbo Ind Inc | Shoe gap regulating device for drum brake |
| DE19858745A1 (en) * | 1998-12-18 | 2000-06-21 | Continental Teves Ag & Co Ohg | Self-adjusting automotive drum brake prevents a change in brake adjustment above a given pre-determined temperature |
| US20030024779A1 (en) * | 2001-08-02 | 2003-02-06 | Hosei Brake Ind. Co., Ltd | Dual-mode drum brake assembly having provision for preventing disengagement of members to be mutually engaged |
| EP1348883A2 (en) * | 2002-03-27 | 2003-10-01 | Nisshinbo Industries Inc. | Drum brake device with an automatic shoe clearance adjustment apparatus |
| CN1558996A (en) * | 2001-11-27 | 2004-12-29 | ���˹�����ײ�˹ | Adjustment device for inner brake shoe of double servo drum brake |
| JP2008045655A (en) * | 2006-08-15 | 2008-02-28 | Akebono Brake Ind Co Ltd | Drum brake device |
| CN201173262Y (en) * | 2008-02-18 | 2008-12-31 | 东风德纳车桥有限公司 | Automobile drum brake |
| CN201368160Y (en) * | 2009-02-20 | 2009-12-23 | 中国重汽集团济南动力有限公司 | Novel punching hoof assembly special for industrial and mining vehicles |
| CN201582329U (en) * | 2009-12-09 | 2010-09-15 | 安徽江淮汽车股份有限公司 | Automobile wear-resistant and vibration-proof drum brake |
| CN201771996U (en) * | 2010-03-03 | 2011-03-23 | 陆美仙 | Drum brake keeping insides and outsides of brake shoes balanced |
| CN201779186U (en) * | 2010-07-12 | 2011-03-30 | 杨群英 | Brake shoe with bushings |
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| TWI354738B (en) * | 2009-05-14 | 2011-12-21 | Sanyang Industry Co Ltd | Hydraulic drum brake mechanism |
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| JPS6324268Y2 (en) * | 1982-04-19 | 1988-07-04 | ||
| JPH1113798A (en) * | 1997-06-25 | 1999-01-22 | Nisshinbo Ind Inc | Shoe gap regulating device for drum brake |
| DE19858745A1 (en) * | 1998-12-18 | 2000-06-21 | Continental Teves Ag & Co Ohg | Self-adjusting automotive drum brake prevents a change in brake adjustment above a given pre-determined temperature |
| US20030024779A1 (en) * | 2001-08-02 | 2003-02-06 | Hosei Brake Ind. Co., Ltd | Dual-mode drum brake assembly having provision for preventing disengagement of members to be mutually engaged |
| CN1558996A (en) * | 2001-11-27 | 2004-12-29 | ���˹�����ײ�˹ | Adjustment device for inner brake shoe of double servo drum brake |
| EP1348883A2 (en) * | 2002-03-27 | 2003-10-01 | Nisshinbo Industries Inc. | Drum brake device with an automatic shoe clearance adjustment apparatus |
| JP2008045655A (en) * | 2006-08-15 | 2008-02-28 | Akebono Brake Ind Co Ltd | Drum brake device |
| CN201173262Y (en) * | 2008-02-18 | 2008-12-31 | 东风德纳车桥有限公司 | Automobile drum brake |
| CN201368160Y (en) * | 2009-02-20 | 2009-12-23 | 中国重汽集团济南动力有限公司 | Novel punching hoof assembly special for industrial and mining vehicles |
| CN201582329U (en) * | 2009-12-09 | 2010-09-15 | 安徽江淮汽车股份有限公司 | Automobile wear-resistant and vibration-proof drum brake |
| CN201771996U (en) * | 2010-03-03 | 2011-03-23 | 陆美仙 | Drum brake keeping insides and outsides of brake shoes balanced |
| CN201779186U (en) * | 2010-07-12 | 2011-03-30 | 杨群英 | Brake shoe with bushings |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102829103A (en) | 2012-12-19 |
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Owner name: TAIZHOU SHENZHOU TRANSMISSION TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: TAIZHOU SHENLI VEHICLE AXLE CO., LTD. Effective date: 20121126 |
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Effective date of registration: 20121126 Address after: 225315 No. 9 Fenghuang West Road, Taizhou Economic Development Zone, Jiangsu, Taizhou Applicant after: TAIZHOU SHENZHOU TRANSMISSION TECHNOLOGY CO., LTD. Address before: 225315 No. 9 Fenghuang West Road, Taizhou Economic Development Zone, Jiangsu, Taizhou Applicant before: Taizhou Shenli Axle Co.,Ltd. |
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