WO2004090242A1 - 建設機械の旋回機構及びそのバックラッシ計測方法 - Google Patents
建設機械の旋回機構及びそのバックラッシ計測方法 Download PDFInfo
- Publication number
- WO2004090242A1 WO2004090242A1 PCT/JP2004/004888 JP2004004888W WO2004090242A1 WO 2004090242 A1 WO2004090242 A1 WO 2004090242A1 JP 2004004888 W JP2004004888 W JP 2004004888W WO 2004090242 A1 WO2004090242 A1 WO 2004090242A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pin
- center
- frame
- insertion hole
- turning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/10—Supports for movable superstructures mounted on travelling or walking gears or on other superstructures
- E02F9/12—Slewing or traversing gears
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/26—Indicating devices
- E02F9/267—Diagnosing or detecting failure of vehicles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/0808—Improving mounting or assembling, e.g. frame elements, disposition of all the components on the superstructures
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/10—Supports for movable superstructures mounted on travelling or walking gears or on other superstructures
- E02F9/12—Slewing or traversing gears
- E02F9/121—Turntables, i.e. structure rotatable about 360°
- E02F9/123—Drives or control devices specially adapted therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/19623—Backlash take-up
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/19851—Gear and rotary bodies
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/1987—Rotary bodies
- Y10T74/19893—Sectional
- Y10T74/19898—Backlash take-up
Definitions
- the present invention provides a swivel frame and an inner ring having an inside and attached to a base side of a lower traveling body so as to be able to swivel around the inside.
- Technology related to the swing mechanism of construction machinery such as hydraulic shovels and crane equipped with
- an upper revolving structure consisting of a revolving frame and various devices sx m mounted on the upper part of the revolving frame is rotated about a base member such as a lower traveling structure.
- the swing mechanism of the construction machine has a swing frame and an internal gear on the inner periphery to realize the swing operation of the upper swing body.
- the pi-in drive means a mechanism consisting of an inner car and a lap-in drive, which rotates and drives the pi-in drive, by nX.
- And 5 are provided on the turning frame side.
- the turning mechanism of the machine is constructed by combining the pin on the turning frame side with the internal gear of the inner wheel on the lower traveling body to form a turning frame that forms the upper turning body.
- the upper revolving unit does not rattle when turning because it can turn with respect to the base.
- Patent Document 1 In order to address such a problem, for example, an invention disclosed in Patent Document 1 has been proposed.
- the present invention relates to a construction machine provided with a traveling body and a revolving body arranged on the traveling body via a revolving wheel having inner and outer pages, and a main frame of the revolving body.
- a revolving device having a revolving pin is mounted on the upper side with a port, and the outer wheel of the revolving wheel is mounted on the main frame of the revolving body with a bolt, and the revolving device is mounted on the traveling body.
- the inner ring of the slewing wheel is attached by a port, and the slewing device is arranged on a slewing body such that the slewing pin of the slewing gear engages with the ring gear of the inner ring of the & E slewing wheel.
- BR BR BR ⁇ ⁇ ⁇ ⁇ ⁇ And at least one of the swivel pin and the swivel pin is connected to the center of the turning wheel and the center of the swivel device, and is located at or near the center connecting line.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2000-33666 (No. 35. Fig. 12)
- the Pent on the turning frame will swing during the work and the work accuracy will be reduced.
- the swivel frame is supposed to move through a bucket or arm.
- the power is propagated in an amplified state, causing the sway to exceed the pre-phase, thereby reducing the excavation accuracy.
- What you did It is better to fix the center frame and pinion drive in an appropriate position to minimize the batho crush between the car and the pinion, especially in recent years. Therefore, there is a demand for minimizing the backlash and improving the work of construction machinery and improving the usability.
- this drive is driven by two V-cups 7 against the center frame 3.
- the center frame 3 Since it is positioned at two locations, it is always fixed at the M-off position.In contrast to this, the center frame 3 has one knob for the outer ring 1b. Each time the positioning is performed, only the pin 6 is used for positioning, so that the Sen Frame 3 has a diameter between the bolt hole for the outer book 1b and the port 8a. Due to the difference, the pin is displaced so that it swings around the pin 6 and the pin 6 of ⁇ is mounted at a position distant from the center connecting line S. -Frame 3 swings around V-pin 6 and the center of swivel wheel 0
- the giant is the construction that enables the proper arrangement of the knock pin for determining the position of the turning frame, and facilitates the assembly of the pin drive unit id. Provide a turning mechanism for the machine
- Another purpose is to measure the cracker V of the turning mechanism of a construction machine so that it is possible to reliably grasp the amount of the pulse V and to determine whether or not it is located in a non-class.
- the present invention is capable of turning around the inner ring of the turning frame and the inner ring attached to the base side with an inner m car on the inner periphery to achieve H'J
- the turning center of the outer wheel and the rotation of the pin are located in the vicinity of the corner of the hull of the vehicle inside the iu IS. Even line passing through the heart and ⁇ is m Kipi down insertion hole -a its vicinity: characterized capital obtained by ⁇ location
- a knock pin for positioning the rotating frame is inserted between the turning frame and the pin driving device 1 *.
- a knock pin for positioning the rotating frame to be inserted into the pin insertion hole.
- the center of the knock pin for positioning the drive unit is located on the line between the center of rotation of the outer ring and the center of rotation of the drive.
- the pin insertion hole is cut into the center frame of the revolving frame.
- the insertion hole into which the pin for positioning the driving device is inserted is the pin hole.
- Two-year-old drive unit's flank and pin Two-year-old drive bracket installed on the bracket
- the second means is a turning frame, an inner car having an inner car on the inner periphery and attached to the base side, and a turning frame which is capable of turning so as to surround the inner ring.
- a pin insertion hole for inserting a knock pin fixed to an extra offense book and positioning the turning frame is a knock on the turning mechanism of a construction machine with a turning frame.
- the center of the rotary frame for positioning the rotary frame to be inserted into the pin insertion hole, the rotary frame, and the drive unit The distance between the center of the knock pin for positioning the drive unit and the drive pin is measured, and the center of rotation of the outer ring and the rotation of the drive pin are measured based on the measured distance. It is characterized by calculating the distance after assembly of the turning mechanism from the distance calculated from the distance to the heart.
- the pin insertion hole and the inner fel wheel of the turning frame are so formed that the pin insertion hole is formed so as to project toward the pin insertion hole.
- the pin insertion hole is positioned near the line passing through the center of rotation of the outer ring and the center of rotation of the pin, so that the pin insertion hole is located near the mouth.
- the pin insertion hole drilling portion protrudes toward the pinion ⁇ insertion hole, it is only partially provided, so that the pin insertion hole is hardly reduced. For this reason, when assembling the pinion drive, it is necessary to insert the pin and its periphery so as not to interfere with the pin insertion hole drilling part, but the insertion time is almost the same as before. No change o Therefore, the turning mechanism of the construction machine according to the present invention not only enables the S3 @ arrangement of the turning frame positioning pin and the pin, but also the pin driving device. Can be assembled smoothly as before 0
- the distance between the knock pins By measuring the distance between the knock pins, the distance between the center of rotation and the center of rotation can be accurately calculated by conversion. It is possible to accurately and efficiently check whether or not the flash is within the allowable range.
- FIG. 1 is a plan view of a main part of a turning mechanism of a building 5 or machine according to an embodiment of the present invention.
- Fig. 2 is an enlarged plan view showing the vicinity of the bracket for mounting the pinion drive in Fig. 1
- FIG. 3 is a perspective view of a main part of the turning mechanism of the construction machine according to the embodiment of the present invention.
- Fig. 4 is a side view of the vicinity of the drive unit in the swivel mechanism of the building ax machine shown in Fig.
- No. 0 travels at the work site and performs various tasks such as excavation work and loading of excavated earth and sand.
- Self-propelled hydraulic shovel 11 1 is a base for placing upper revolving structure 1 2 y
- a self-propelled hydraulic vehicle that travels with a cooler 3 The lower vehicle 1 2 of the hydraulic cylinder 10 is mounted on the revolving frame 2 and the lower vehicle 1 1
- the upper revolving unit is supported so as to be able to turn through the revolving wheel 1, 13 is a driver's cab in which the driver 14 is operated by a talent writer, and 14 is This is the front part of the working device of the hydraulic shovel 10.
- the upper revolving unit 12 is a general term for the assembly of these various components and the revolving frame 2.
- the upper revolving unit 12 is constructed such that the upper revolving unit 12 is turned by a turning mechanism of a construction machine described later.
- the front end 14 of the hydraulic cylinder 10 that comes out is composed of a boom, arm, bucket, etc., and is placed on the front right of the upper revolving unit 12 so as to be able to move up and down. I'm turning J
- turning wheel 1 is inner whip 1a, outer ring 1b and rolling element
- the inner ring 1a has an inner m-ring (ring gear) on its inner periphery and has an inner revolving body 1 2 that supports the upper revolving unit 12 so that it can rotate with respect to the lower traveling unit 11.
- the outer 1b attached to the traveling body 1 1 is formed in an annular shape and is rotatably pivoted so as to concentrically surround the circumference y of the inner ring 1a, and the revolving frame 2 is connected to the port 8a.
- Rolling element 1c is housed in the annular space between the outer peripheral surface of inner ring 1a and the inner peripheral surface of outer ring 1b.
- the revolving frame 2 having a function of bearing is mounted so as to be revolvable on a lower traveling body 11 serving as a base of the upper revolving body 12.
- Sen-Nu-Frame 3 forms the central part of this turning frame 2 and the undercarriage 1
- the turning 1 is integrally connected so as not to be separated via the rolling element 1c by containing the rolling element 1c between the inner ring 1a and the outer ring 1b.
- the rotating wheel 1 configured as described above is constructed such that the inner part 1 a is fastened to a member on the lower traveling body 1 side by a bolt and a nut (not shown) to thereby provide the lower traveling body 1.
- 1 1 Fixed in the specified position above Center frame 3 is the fixed swivel wheel
- the bolt 8a After the bolt 8a is inserted into the outer ring 1b, the bolt 8a is screwed into the outer ring 1b to fix it in the specified position on the outer ring 1b.
- a large number of holes (not shown) for inserting the bolt having a slightly larger diameter than the bolt 8a for inserting the bolt 8a are provided on a predetermined pitch circle.
- the center frame 3 is provided with a screw hole for screwing this port 8a as shown in Fig. 1 (a hole is omitted because it is a hole at the same level as the bolt 8).
- the revolving frame 2 includes a center frame 3 and left and right frames arranged on both sides of the center frame 3.
- a frame (not shown) is provided on the sensor frame 3 in which a pair of vertical plates 3b are arranged at predetermined intervals so as to extend in the front-rear direction.
- the center frame 3 is reinforced by this so that it can withstand the force received from the front window 14.
- FIG. 3 there is formed a pin insertion hole 3c for inserting a turning wheel drive pin 4 to be described later so as to be engaged with an internal gear of the inner ring 1a.
- the on-insertion hole 3c has a diameter of about m .. In order to be able to do this, see Figure 4
- U also has a slightly larger diameter (only ⁇ ).
- the bracket 3a for mounting the pin drive is formed by bending a single rod-like plate into a circular shape.
- the pini pin 4 for driving the turning car is connected to the internal gear of the inner Ira 1a, and is rotated by a pinion driving device 5 for positioning the frame.
- Knock pin 6 is used to position sensor frame 3 with respect to outer ring 1b.
- Numeral 7 is for positioning the pin driver 5 with respect to the center frame 3.
- the port 8a has the center frame 1 screwed to the outer ring 1b, and the bolt 8b has the pin drive 5 mounted to the bracket 3a of the center frame 3.
- Bracket 9 is for pivoting the boom of front 14 so that it can be tilted up and down.
- the pinion drive device 5 is provided with a hydraulic motor and a speed reducer including a planetary disturbing mechanism that is arranged below the hydraulic motor and its rotation.
- the pinion drive device 5 which is housed in the ring and the output shaft of the speed reducer is connected to pin 4 is bolted to the fan section 5a of the eight rings. After passing through, the bolt 8b is screwed into the bracket 3a for mounting the drive unit in the center frame 3 fixed on the outer ring 1b. Rather, the center-frame
- a large number are provided on the Pisochi circle R 2 that has been formed.
- the port 8a is inserted into the hole for the port of the outer ring 1b, which has a larger diameter than the port 8a, and the port 8a is fixed to the outer ring 1b.
- the difference between the diameter of the knocked part and the diameter of the knocked part caused by the difference in diameter is caused by the difference in diameter.
- the pin frame is fixed to the center frame 3 with the bolt 8b.
- the pin insertion hole 3 d for inserting the knock pin 6 for positioning the center frame and positioning the center frame 3 is provided in the center frame.
- a pin insertion hole 20 having a pin insertion hole 3d is formed so as to protrude toward the pin insertion hole 3c side.
- the installation part 20 is partially connected to the inner wheel 1a of the center frame 3 and the vicinity of the corner of the pin 4 and the pinion 4, and furthermore, the pin is connected to the protruding part.
- a 3d insertion hole is provided.
- the center of the pin insertion hole 3 d is located on the center connecting line S passing through the turning center 0 1 of the outer ring 1 b and the rotation center 0 2 of the pin 4. I'm doing it.
- the pin insertion hole 20 is physically formed with the center frame 3.
- the knock pin 7 is mounted at one position on the pitch circle R2 so as to position the pinion drive device 5 with respect to the center frame 3. Therefore, a pin insertion hole (not shown) for inserting the knock pin 7 is provided in the flange portion 5a of the pinion drive device 5, and the pin insertion hole is provided with a knock. Insert the pin 7 and insert the pin insertion hole 3 e for positioning to position the pin driver 5 in the bracket 3 a for mounting the pin driver. The center of the fitting hole 3 e is located on the center connecting line S.
- the inner ring 1a of the turning wheel 1 is fastened to a member on the lower traveling body 11 side with a port and a nasol to connect the rotating wheel 1 to the lower traveling body 1 (1)
- the knock frame 6 is inserted into the pin insertion hole 3d of the center frame 3 so that the center frame 3 is positioned.
- the pin insertion hole in the flange portion 5a of the pinion drive device 5 is matched with the pin insertion hole 3e of the bracket for mounting the pinion drive device 3a.
- the dowel pin 5 is positioned by inserting the knock pin 7 into the pin fitting hole of the flange 5a and the pin fitting hole 3e of the bracket 3a. After that, the flange section of the pinion drive 5
- pin ⁇ n For the turning mechanism of a 5- or 5-machine, pin ⁇ n.
- a pin insertion hole 3d is attached to a location near the interface between the trouble table and the pin 4 and the rotation center o 1 of the outer ring 3b and the rotation center 0 of the pin 4
- the pin insertion hole perforated portion 20 protrudes toward the pin insertion hole 3C side, it is only partially attached to the pin insertion hole 3C, so the size of the pin insertion hole 3c is large. Is hardly reduced. Therefore, the pinion drive
- the knock pin 6 for deciding the center frame position can be optimally arranged, so that the m table of the inner ring 1a and the pinwheel for swing wheel drive can be used. 4)
- the bath cushion can be minimized to improve the working accuracy of construction machinery and improve the comfort of construction SX machinery. Can be improved.
- the pin insertion hole perforated portion 20 is attached to the sun frame 3, especially when the pin insertion hole 3c is formed, the pin insertion hole perforated portion 20 is formed. Is formed integrally with the Sen-Frame 3 and is attached to the Sen-Frame 3, so that the pin fitting hole ⁇ or the part 20 is attached. Re The machining process of the swing mechanism of the construction machine will not be complicated.
- the backlash between the internal gear of the inner ring 1a and the pinion 4 is limited to the accuracy when the turning mechanism of the construction machine is mechanically applied and when it is assembled. Since the fluctuations cause rasoki, it is difficult to accurately inspect whether or not the backlash after the assembly of the swivel mechanism is within the set tolerance. s.
- This angle can be calculated from the distance between the turning center 0 1 of the turning wheel 1 and the turning center O 2 of the pinni 4, but after assembling the turning mechanism. Since the actual positions of the turning center O 1 and the rotation center o 2 cannot be determined at this time, it has been necessary to accurately measure the J-crush after assembling the turning machine until now. Was impossible.
- the pin 7 for positioning the pin drive unit is also mounted in one place like the knock pin 6 for center frame positioning, and both knock pins are used.
- the center of 6 and 7 is turning.
- the center is located on the center connecting line S, which is the line passing through the center 0 1 and the center of rotation 0 2.
- the center of the pin insertion hole 3e is located particularly on the center connection line s, but the pin insertion hole 3e may be provided at a position in contact with the center connection line s. Can be achieved near the central connecting line S to achieve the intended purpose.
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Gears, Cams (AREA)
- Jib Cranes (AREA)
- Component Parts Of Construction Machinery (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/551,839 US7832301B2 (en) | 2003-04-04 | 2004-04-05 | Rotation mechanism for construction machine and method of measuring backlash in the mechanism |
| EP04725795.1A EP1630302B1 (en) | 2003-04-04 | 2004-04-05 | Rotation mechanism for construction machine and method of measuring backlash in the mechanism |
| KR1020057018078A KR101075054B1 (ko) | 2003-04-04 | 2005-09-26 | 건설기계의 선회기구 및 그 백래시 계측방법 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003-101799 | 2003-04-04 | ||
| JP2003101799A JP3981339B2 (ja) | 2003-04-04 | 2003-04-04 | 建設機械の旋回機構 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2004090242A1 true WO2004090242A1 (ja) | 2004-10-21 |
Family
ID=33156779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2004/004888 Ceased WO2004090242A1 (ja) | 2003-04-04 | 2004-04-05 | 建設機械の旋回機構及びそのバックラッシ計測方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7832301B2 (ja) |
| EP (1) | EP1630302B1 (ja) |
| JP (1) | JP3981339B2 (ja) |
| KR (1) | KR101075054B1 (ja) |
| CN (1) | CN100577929C (ja) |
| WO (1) | WO2004090242A1 (ja) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100979704B1 (ko) * | 2008-07-21 | 2010-09-02 | 하나로테크 주식회사 | 건설 중장비용 스윙링 플레이트 구조 |
| CN101811644B (zh) * | 2009-02-25 | 2014-05-14 | 马尼托瓦克起重机有限公司 | 起重机的回转驱动系统 |
| JP5015988B2 (ja) * | 2009-03-25 | 2012-09-05 | 日立建機株式会社 | 旋回式建設機械 |
| JP5547662B2 (ja) * | 2011-01-14 | 2014-07-16 | 日立建機株式会社 | 建設機械 |
| DE102011078080A1 (de) * | 2011-06-27 | 2012-12-27 | Schaeffler Technologies AG & Co. KG | Drehverbindung |
| US10161504B2 (en) * | 2016-10-28 | 2018-12-25 | Deere & Company | Backlash adjustment system and method |
| CN106516979B (zh) * | 2016-12-05 | 2017-12-15 | 上海振华重工(集团)股份有限公司 | 一种回转机构的排装方法 |
| CN108643273B (zh) * | 2018-07-09 | 2023-11-28 | 三一重机有限公司 | 定位销、配重定位结构及装配方法、挖掘机 |
| EP3786491A1 (en) * | 2019-08-27 | 2021-03-03 | Güdel Group AG c/o Güdel AG | Process for the adjustment of backlash between a pinon and a rack in a rack-pinion drive |
| CN112555388B (zh) * | 2020-12-03 | 2021-11-26 | 伯朗特机器人股份有限公司 | 用于确定最优齿轮中心距的装置及其方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63165350U (ja) * | 1987-04-17 | 1988-10-27 | ||
| JPH0724878U (ja) * | 1993-10-14 | 1995-05-12 | 住友建機株式会社 | 建設機械の上部旋回体の取付構造 |
| JP2000336696A (ja) * | 1999-05-25 | 2000-12-05 | Hitachi Constr Mach Co Ltd | 旋回体の取付構造 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3972378A (en) * | 1975-01-23 | 1976-08-03 | Caterpillar Tractor Co. | Swing lock means for an hydraulic excavator |
| DE3522600A1 (de) * | 1985-06-25 | 1987-01-08 | Bayerische Motoren Werke Ag | Verfahren zur einstellung des zahnflankenspiels des kegelradsatzes eines achsgetriebes |
| FR2633602B3 (fr) * | 1988-06-29 | 1991-05-31 | Roux Ind Sa | Dispositif a grue telescopique, notamment pour le levage et la mise en place de poteaux telegraphiques ou analogues |
| US5176267A (en) * | 1990-07-23 | 1993-01-05 | The Manitowoc Company, Inc. | Quick disconnect system for construction equipment with rotatable upper works |
| JP3078747B2 (ja) * | 1996-03-29 | 2000-08-21 | 新キャタピラー三菱株式会社 | 建設機械におけるギアのバックラッシュ調節方法および調節構造 |
| US6119580A (en) * | 1996-10-08 | 2000-09-19 | Hitachi Construction Machinery Co., Ltd. | Swash plate type hydraulic rotating machine and method of manufacturing casing for same |
| US6035736A (en) * | 1997-11-07 | 2000-03-14 | Caterpillar Inc. | Adjustable pinion gear mounting arrangement |
| CN2417205Y (zh) * | 2000-04-25 | 2001-01-31 | 张玉生 | 液压旋转装置 |
| JP3565775B2 (ja) * | 2000-09-27 | 2004-09-15 | 株式会社小松製作所 | 建設機械の旋回装置 |
| JP4424844B2 (ja) * | 2000-12-13 | 2010-03-03 | 株式会社小松製作所 | 作業機械の旋回減速機 |
-
2003
- 2003-04-04 JP JP2003101799A patent/JP3981339B2/ja not_active Expired - Fee Related
-
2004
- 2004-04-05 US US10/551,839 patent/US7832301B2/en not_active Expired - Lifetime
- 2004-04-05 CN CN200480008755A patent/CN100577929C/zh not_active Expired - Fee Related
- 2004-04-05 WO PCT/JP2004/004888 patent/WO2004090242A1/ja not_active Ceased
- 2004-04-05 EP EP04725795.1A patent/EP1630302B1/en not_active Expired - Lifetime
-
2005
- 2005-09-26 KR KR1020057018078A patent/KR101075054B1/ko not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63165350U (ja) * | 1987-04-17 | 1988-10-27 | ||
| JPH0724878U (ja) * | 1993-10-14 | 1995-05-12 | 住友建機株式会社 | 建設機械の上部旋回体の取付構造 |
| JP2000336696A (ja) * | 1999-05-25 | 2000-12-05 | Hitachi Constr Mach Co Ltd | 旋回体の取付構造 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP1630302A4 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3981339B2 (ja) | 2007-09-26 |
| US20070034033A1 (en) | 2007-02-15 |
| CN1768184A (zh) | 2006-05-03 |
| EP1630302A4 (en) | 2011-04-13 |
| KR20050115934A (ko) | 2005-12-08 |
| US7832301B2 (en) | 2010-11-16 |
| CN100577929C (zh) | 2010-01-06 |
| JP2004346484A (ja) | 2004-12-09 |
| KR101075054B1 (ko) | 2011-10-21 |
| EP1630302A1 (en) | 2006-03-01 |
| EP1630302B1 (en) | 2016-12-14 |
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