CN115246162B - External force eliminating device of splitting machine - Google Patents
External force eliminating device of splitting machineInfo
- Publication number
- CN115246162B CN115246162B CN202211008097.1A CN202211008097A CN115246162B CN 115246162 B CN115246162 B CN 115246162B CN 202211008097 A CN202211008097 A CN 202211008097A CN 115246162 B CN115246162 B CN 115246162B
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- CN
- China
- Prior art keywords
- fixed
- hydraulic cylinder
- splitting
- support arm
- rotatably connected
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/26—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by impact tools, e.g. by chisels or other tools having a cutting edge
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Shovels (AREA)
Abstract
本申请提供了一种劈裂机外力消除装置，属于外力消除装置技术领域。包括装载机具和劈裂机本体以及衔接组件。所述衔接组件包括固定件与外力消除件，所述固定件设在装载机具活动端且其顶端与所述劈裂机本体转动连接，所述外力消除件包括支撑架、弧形板A、弧形板B和数个伸缩夹紧部，所述支撑架设于所述固定件底端且其外端与所述弧形板A固定，所述弧形板A外端与弧形板B对接固定且其二者共同围在劈裂机本体外圈，数个所述伸缩夹紧部固定端分别等距固定在所述弧形板A和弧形板B的外壁，且其活塞端均贯穿于其所直接连接的结构并共同活动抵紧于劈裂机本体的外壁。该申请能减少劈裂机本体使用时的受到反向作用力。
This application provides a force-relief device for a rock splitter, belonging to the technical field of force-relief devices. It includes a loading implement, a rock splitter body, and a connecting assembly. The connecting assembly includes a fixing member and a force-relief component. The fixing member is located at the movable end of the loading implement, and its top end is rotatably connected to the rock splitter body. The force-relief component includes a support frame, an arc-shaped plate A, an arc-shaped plate B, and several telescopic clamping parts. The support frame is located at the bottom end of the fixing member, and its outer end is fixed to the arc-shaped plate A. The outer end of the arc-shaped plate A is abutted and fixed to the arc-shaped plate B, and both together surround the outer ring of the rock splitter body. The fixed ends of the several telescopic clamping parts are equidistantly fixed to the outer walls of the arc-shaped plates A and B, and their piston ends all penetrate through the directly connected structure and move together against the outer wall of the rock splitter body. This application can reduce the reverse force experienced by the rock splitter body during use.
Description
Technical Field
The application relates to the field of external force eliminating devices, in particular to an external force eliminating device of a splitting machine.
Background
In the existing splitting machine, as shown in fig. 5, a and b are both rocks, a drill hole is arranged between the two rocks, a rock is a rock near the left side of the drill hole, the rock is in a free surface, b rock is a rock near the right side of the drill hole, the rock is in a non-free surface, because the rock a is in the free surface, when the rock is split, the rock a moves towards the direction indicated by an arrow in fig. 5 under the action of splitting force, and then the center wedge and the splitting block near the rock a also deform to a certain extent towards the direction indicated by the arrow in fig. 5, and because the existing splitting machine is directly and fixedly arranged on a loading machine, an external force eliminating structure is absent, the splitting machine does not move towards the direction indicated by the arrow in fig. 5, so that the center wedge and the splitting block near the rock a can be subjected to large bending deformation, and further the problems of easy breakage and the like are generated, the working efficiency of the rock splitting is indirectly reduced, and the replacement cost of the center wedge and the splitting block is improved.
Disclosure of Invention
In order to make up for the defects, the application provides an external force eliminating device of a splitting machine, which aims to improve the problem that the existing splitting machine is directly fixed on a loading machine tool by adopting a fixing device and cannot swing to eliminate the reaction force of rock when splitting force is applied, and effectively reduce the probability of deformation of a central wedge block of the splitting machine and a splitting block close to rock a in the splitting process.
The embodiment of the application provides an external force eliminating device of a splitter, which comprises a loading machine, a splitter body and a connecting assembly.
The connecting assembly comprises a fixing piece and an external force eliminating piece, wherein the fixing piece is arranged at the movable end of the loading machine and the top end of the fixing piece is rotationally connected with the splitting machine body, the external force eliminating piece comprises a supporting frame, an arc plate A, an arc plate B and a plurality of telescopic clamping parts, the supporting frame is arranged at the bottom end of the fixing piece, the outer end of the supporting frame is fixed with the arc plate A, the outer end of the arc plate A is in butt joint with the arc plate B, the outer end of the arc plate A and the outer ring of the splitting machine body are surrounded by the arc plate B, the fixed ends of the telescopic clamping parts are respectively fixed on the arc plate A and the outer wall of the arc plate B at equal intervals, and the piston ends of the telescopic clamping parts penetrate through structures which are directly connected with the arc plate A and jointly move to abut against the outer wall of the splitting machine body.
In a specific embodiment, the two sides of the openings of the arc-shaped plate A and the arc-shaped plate B are respectively provided with a bump, and the corresponding bumps on the arc-shaped plate A and the arc-shaped plate B are fixed through bolts and nuts.
In a specific embodiment, the fixing member includes a fixing plate and a rotating portion connected to a top end thereof, the fixing plate is fixed to an outer wall of the support frame, and the rotating portion is fixed to a top end of the splitter body.
In a specific embodiment, the rotating portion includes two connection lugs a, a connecting arm and two connection lugs B, two connection lugs a are designed in parallel and the bottom ends of the two connection lugs a are all fixed by the fixing plate, two connection lugs B are designed in parallel and the bottom ends of the two connection lugs B are all fixed with the top end of the splitter body, two connection lugs a are perpendicular to the direction parallel to the two connection lugs B, and two ends of the connecting arm are respectively connected with the two connection lugs a and the two connection lugs B in a rotating manner.
In the implementation process, the upper side and the lower side of the connecting arm can be selectively connected with the rotating shafts, the bearings can be embedded in the holes of the connecting lug plates A and the connecting lug plates B, and the rotating shafts and the corresponding bearings can be in interference fit connection or key connection, so that the connecting arm can move around the two connecting lug plates A or the connecting lug plates B, and the splitter body can swing along with the connecting arm indirectly.
In a specific embodiment, the splitter body includes an oil cylinder, a central wedge block and two splitting blocks, the top end of the oil cylinder is fixed on two connecting lug plates B, the two splitting blocks are arranged on two sides of the bottom of the fixed end of the oil cylinder, and the top end of the central wedge block is fixed with the outer end of a cylinder rod of the oil cylinder and is in extrusion contact with the two splitting blocks.
In the implementation process, the loading machine inserts the central wedge block and the two splitting blocks into the drill hole by moving the splitting machine body, and pushes the central wedge block downwards by pushing the cylinder rod of the oil cylinder, so that the splitting block close to the rock a is pushed outwards, and splitting force is generated to split the rock.
In a specific embodiment, the central wedge and the two cleaving blocks together form a wedge structure.
In a specific embodiment, the loader comprises a vehicle body and a mechanical arm, wherein the vehicle body moves on a road surface to run, the mechanical arm is rotatably connected to the vehicle body and is connected with the fixing piece, and the mechanical arm is specifically divided into an adjusting part A, an adjusting part B and an adjusting part C.
In a specific embodiment, the adjusting part a includes a support arm a and a hydraulic cylinder a, wherein the bottom end of the support arm a is rotatably connected to the top end of the vehicle body, and two ends of the hydraulic cylinder a are rotatably connected to the support arm a and the vehicle body respectively.
In a specific embodiment, the adjusting part B includes a support arm B and a hydraulic cylinder B, one side of the support arm B is rotatably connected to the outer end of the support arm a, and two ends of the hydraulic cylinder B are rotatably connected to the outer wall of the support arm a and one end of the support arm B, respectively.
In a specific embodiment, the adjusting part C includes a connecting block and a hydraulic cylinder C, the connecting block is rotatably connected with the outer end of the support arm B, two ends of the hydraulic cylinder C are respectively rotatably connected with the support arm B and the connecting block, and a sliding rotation mechanism is arranged between the connecting block and the fixing plate.
Compared with the prior art, the application has the advantages that:
When the splitter body does not split the rock, the cylinder rods of the telescopic clamping parts are in an extending state and can be pressed against the splitter body under the control of the hydraulic system in the prior art, so that the splitter body is fixedly connected with the external force eliminating part, the wedge-shaped structure of the splitter body shown in fig. 5 is conveniently inserted into a drill hole by moving the loading machine shown in fig. 6, and when the splitter body splits the rock, the telescopic clamping parts are in a decompression state under the control of the hydraulic system, so that the corresponding cylinder rods of the splitter body cannot press the splitter body, the splitter body can swing freely along with the rock splitting during the splitting of the rock, and the reverse acting force of the rock during the splitting of the rock is absorbed.
In sum, the device can enable the splitting machine body to be in a free swinging state when splitting the rock, thereby eliminating the reverse acting force of the rock, preventing the central wedge block and the splitting block of the splitting machine body from being damaged.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a connection relationship between a splitter body and a splice assembly according to an embodiment of the present application;
FIG. 2 is a schematic view of a connection assembly according to an embodiment of the present application;
FIG. 3 is a schematic structural diagram of an external force eliminating member according to an embodiment of the present application;
FIG. 4 is a schematic view of a structure of a splitter body according to an embodiment of the present application;
fig. 5 is a schematic diagram of a positional relationship structure of a splitter body and a rock a and a rock b according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of the loader and the splitter body and the adapter assembly after connection according to the embodiment of the application.
In the figure, 10-loading machine, 110-car body, 120-mechanical arm, 121-adjusting part A, 1211-supporting arm A, 1212-hydraulic cylinder A, 122-adjusting part B, 1221-supporting arm B, 1222-hydraulic cylinder B, 123-adjusting part C, 1231-connecting block, 1232-hydraulic cylinder C, 20-splitter body, 210-oil cylinder, 220-splitting block, 230-center wedge, 30-connecting component, 310-fixing piece, 311-fixing plate, 312-rotating part, 3121-connecting lug plate A, 3122-connecting arm, 3123-connecting lug plate B, 320-external force eliminating piece, 321-supporting frame, 322-arc plate A, 323-arc plate B, 324-telescopic clamping part and 325-protruding block.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, based on the embodiments of the application, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the application.
Referring to fig. 1, the present application provides an external force eliminating device for a splitter, which includes a loader 10, a splitter body 20 and a connecting assembly 30.
The splitter body 20 is fixed on the loader 10 through the engagement assembly 30, the loader 10 can be movably fixed by using the fixing member 310 in the engagement assembly 30, and the probability of deformation of the center wedge and the splitting block of the splitter in the splitting process can be effectively reduced by using the external force eliminating member 320 in the engagement assembly 30.
Referring to fig. 1 and 6, the loader 10 includes a body 110 and a robot arm 120, the body 110 moves on a road surface, the robot arm 120 is rotatably connected to the body 110 and connected to a fixing member 310, and the robot arm 120 is specifically divided into an adjusting portion a121, an adjusting portion B122, and an adjusting portion C123. Wherein, utilize automobile body 110 to remove and be convenient for drive splitter body 20 and remove to suitable position split rock, the design of arm 120 can make splitter body 20 split rock position control more accurate.
In this embodiment, the adjusting portion a121 includes a support arm a1211 and a hydraulic cylinder a1212, wherein the bottom end of the support arm a1211 is rotatably connected to the top end of the vehicle body 110, and both ends of the hydraulic cylinder a1212 are rotatably connected to the support arm a1211 and the vehicle body 110, respectively. Among other things, the design utilizing hydraulic cylinder A1212 facilitates enabling the angular deflection of arm A1211 about the top end of body 110, thereby changing the position of splitter body 20.
In this embodiment, the adjusting portion B122 includes a support arm B1221 and a hydraulic cylinder B1222, wherein one side of the support arm B1221 is rotatably connected to the outer end of the support arm a1211, and two ends of the hydraulic cylinder B1222 are rotatably connected to the outer wall of the support arm a1211 and one end of the support arm B1221, respectively. Among other things, the design utilizing hydraulic cylinder B1222 facilitates enabling the angular deflection of the boom B1221 about the boom A1211, thereby changing the position of the splitter body 20.
In this embodiment, the adjusting portion C123 includes an engagement block 1231 and a hydraulic cylinder C1232, the engagement block 1231 is rotatably connected to the outer end of the support arm B1221, two ends of the hydraulic cylinder C1232 are rotatably connected to the support arm B1221 and the engagement block 1231, and a sliding rotation mechanism is disposed between the engagement block 1231 and the fixing plate 311. Among other things, the design with hydraulic cylinder C1232 facilitates enabling angular deflection of the engagement block 1231 about the arm B1221, thereby changing the position of the splitter body 20. In summary, the use of the adjustment portions a121 and B122 and the adjustment portion C123 allows the position of the splitter body 20 to split the rock to be controlled more accurately.
In addition, the sliding rotation mechanism comprises an L-shaped plate c, a sliding part d, a rotating part e and a drilling machine f, wherein the L-shaped plate c, the sliding part d, the rotating part e and the drilling machine f are shown in fig. 6, the rotating part e is connected to the outer end of the connecting block 1231, the rotating shaft comprises a frame body, a servo motor B and an output end, the frame body is connected to the outer end of the connecting block 1231, the servo motor B is installed in a middle cavity of the frame body, the rotating shaft is connected with the L-shaped plate c, the fixing plate 311 is also connected to the L-shaped plate c, the sliding part d is further connected with the L-shaped plate c, the sliding part d comprises a servo motor A and a ball screw pair connected with the output end of the servo motor A, the ball screw pair is rotatably connected with a screw nut pair, and the screw nut pair is in sliding connection with the L-shaped plate c and is connected with the drilling machine f. During operation, the rotating part e can drive the L-shaped plate c to do rotation, and the working steps are that the drilling machine f is firstly used for drilling holes on the rock, then the rotating part e drives the L-shaped plate c to do rotation, so that the splitting block 220 is aligned to the center of the holes, and then the oil cylinder 210 is pushed into the holes to split the rock.
The drilling machine f is the prior art and will not be described here in detail.
Referring to fig. 1, 4 and 5, the splitter body 20 includes an oil cylinder 210, a center wedge 230 and two splitting blocks 220, wherein the top end of the oil cylinder 210 is fixed to two connecting lugs B3123, the two splitting blocks 220 are disposed at two sides of the bottom of the fixed end of the oil cylinder 210, and the top end of the center wedge 230 is fixed to the outer end of a cylinder rod of the oil cylinder 210 and is in pressing contact with the two splitting blocks 220. The loader 10 inserts the central wedge 230 and the two splitting blocks 220 into the borehole by moving the splitter body 20, and pushes the central wedge 230 downward by pushing the cylinder rod of the cylinder 210, so that the splitting block 220 near the rock a is pushed outward, and splitting force is generated to split the rock.
The center wedge 230 and the two cleaving blocks 220 together form a wedge structure. Wherein the two splitting blocks 220 and the central wedge 230 form a wedge-shaped structure that facilitates insertion into a borehole for splitting rock.
Referring to fig. 1-3 and fig. 6, the engagement assembly 30 includes a fixing member 310 and an external force eliminating member 320, the fixing member 310 is disposed at a movable end of the loader 10 and a top end thereof is rotatably connected with the splitter body 20, the external force eliminating member 320 includes a supporting frame 321, an arc plate a322, an arc plate B323, and a plurality of telescopic clamping portions 324, the supporting frame 321 is disposed at a bottom end of the fixing member 310 and an outer end thereof is fixed with the arc plate a322, an outer end of the arc plate a322 is fixedly abutted with the arc plate B323 and both of them enclose the splitter body 20, fixed ends of the telescopic clamping portions 324 are respectively fixed on outer walls of the arc plate a322 and the arc plate B323 at equal intervals, and piston ends thereof penetrate through structures directly connected with the arc plate a and jointly move to abut against an outer wall of the splitter body 20. Wherein, the plurality of telescopic clamping portions 324 can be selected as one of a small oil cylinder or a small hydraulic cylinder.
In this embodiment, two sides of the openings of the arc plate a322 and the arc plate B323 are provided with the protruding blocks 325, and the corresponding protruding blocks 325 on the two are fixed by the bolt and the nut. Wherein, utilize bolt cooperation nut to be convenient for fix arc A322 and arc B323 for external force elimination piece 320 can enclose at splitting machine body 20 periphery and support tightly to its activity, and the reverse effort that brings when being convenient for utilize external force elimination piece 320 to reduce splitting machine body 20 and split the rock like this.
In this embodiment, the fixing member 310 includes a fixing plate 311 and a rotating portion 312 connected to the top end thereof, the fixing plate 311 is fixed to the outer wall of the supporting frame 321, and the rotating portion 312 is fixed to the top end of the splitter body 20. The splitter body 20 and the fixing plate 311 can be rotationally connected by using the design of the rotating portion 312, so that the splitter body 20 can swing along with the angle of the rotating portion 312 in a state that the external force eliminating member 320 is not abutted, thereby reducing the reverse acting force caused when splitting the rock.
In this embodiment, the rotating portion 312 includes two connection ear plates a3121, a linking arm 3122 and two connection ear plates B3123, the two connection ear plates a3121 are designed in parallel and the bottom ends thereof are both fixed by the fixing plate 311, the two connection ear plates B3123 are also designed in parallel and the bottom ends thereof are both fixed with the top end of the splitter body 20, the directions parallel to the two connection ear plates a3121 and the two connection ear plates B3123 are perpendicular, and the two ends of the linking arm 3122 are respectively connected with the two connection ear plates a3121 and the two connection ear plates B3123 in a rotating manner. The upper and lower sides of the engaging arm 3122 may be selectively connected with a rotating shaft, and the holes of the connecting ear plate a3121 and the connecting ear plate B3123 may be embedded with bearings, and the rotating shaft and the corresponding bearing may be connected with interference fit or key connection, so that the engaging arm 3122 may move around the two connecting ear plates a3121 or the connecting ear plate B3123, thereby indirectly facilitating the splitter body 20 to swing along with the engaging arm 3122.
When in use, the utility model is characterized in that:
The external force eliminating piece 320 is fixed at the bottom of the fixed plate 311 and is positioned at the periphery of the splitter body 20, a gap exists between a circle formed by the arc-shaped plate A322 and the arc-shaped plate B323 in the external force eliminating piece 320 and the periphery of the splitter body 20, when the splitter body 20 does not split rocks, the cylinder rods of the telescopic clamping parts 324 are in an extending state and can press the splitter body 20 under the control of a hydraulic system in the prior art, the splitter body 20 and the external force eliminating piece 320 are fixedly connected, so that the splitter body 20 and the external force eliminating piece 320 are convenient to move, the wedge-shaped structure of the splitter body 20 shown in fig. 5 is conveniently inserted into a drill hole, when the splitter body 20 is used for splitting rocks, the telescopic clamping parts 324 are in a decompression state under the control of the hydraulic system, so that the corresponding cylinder rods of the splitter body 20 cannot press the splitter body 20, the splitter body 20 can swing freely along with the cracking of rocks, the splitting rocks can be absorbed, and the bending force of the splitter body 230 and the splitter body 220 can be prevented from being damaged greatly, and the durability of the splitter body is improved.
The hydraulic system mentioned above is the prior art, and is not described herein.
It should be further noted that, specific model specifications of the hydraulic cylinder a1212, the hydraulic cylinder B1222, the hydraulic cylinder C1232, the oil cylinder 210, the center wedge 230, the splitting block 220, and the telescopic clamping portion 324 need to be determined by selecting a model according to an actual specification of the device, and a specific model selection calculation method adopts the prior art in the art, so that detailed descriptions thereof are omitted.
The power supply of the sliding portion d, the rotating portion e, the hydraulic cylinder a1212, the hydraulic cylinder B1222, the hydraulic cylinder C1232, the cylinder 210, and the telescopic clamping portion 324, and the principle thereof will be apparent to those skilled in the art, and will not be described in detail herein.
The foregoing is merely illustrative embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present application, and the application should be covered. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211008097.1A CN115246162B (en) | 2022-08-22 | 2022-08-22 | External force eliminating device of splitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211008097.1A CN115246162B (en) | 2022-08-22 | 2022-08-22 | External force eliminating device of splitting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115246162A CN115246162A (en) | 2022-10-28 |
| CN115246162B true CN115246162B (en) | 2025-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211008097.1A Active CN115246162B (en) | 2022-08-22 | 2022-08-22 | External force eliminating device of splitting machine |
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| Country | Link |
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| CN (1) | CN115246162B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116038918B (en) * | 2023-02-15 | 2026-02-03 | 福建天石源智能装备有限公司 | Drilling splitting mechanism and all-in-one |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612581A (en) * | 2015-02-04 | 2015-05-13 | 永州市鑫东森机械装备有限公司 | Soundless rock drilling and splitting integrated machine |
| CN112779940A (en) * | 2020-12-31 | 2021-05-11 | 北京易成市政工程有限责任公司 | Mountain digging device and construction method using same |
| CN217993016U (en) * | 2022-08-22 | 2022-12-09 | 山东百沃工程机械有限公司 | External force eliminating device of splitter |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104074518B (en) * | 2014-07-16 | 2016-04-27 | 广西恒日科技股份有限公司 | Rock-boring splitter |
| CN204476414U (en) * | 2015-02-04 | 2015-07-15 | 永州市鑫东森机械装备有限公司 | Splitting machine flexible damping device |
| CN111058848A (en) * | 2019-12-23 | 2020-04-24 | 湖南烈岩科技有限公司 | Double-cylinder force-increasing splitter |
-
2022
- 2022-08-22 CN CN202211008097.1A patent/CN115246162B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612581A (en) * | 2015-02-04 | 2015-05-13 | 永州市鑫东森机械装备有限公司 | Soundless rock drilling and splitting integrated machine |
| CN112779940A (en) * | 2020-12-31 | 2021-05-11 | 北京易成市政工程有限责任公司 | Mountain digging device and construction method using same |
| CN217993016U (en) * | 2022-08-22 | 2022-12-09 | 山东百沃工程机械有限公司 | External force eliminating device of splitter |
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| Publication number | Publication date |
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| CN115246162A (en) | 2022-10-28 |
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