Fully-mechanized coal winning machine track pin-disengaging mechanical arm capable of efficiently disassembling pin shaft

By designing the pin-removing and pin-shifting components of the track pin-removing manipulator for roadheaders, the automatic disassembly of track pins was achieved, solving the problems of laborious, time-consuming, and high safety risks in existing technologies, and improving disassembly efficiency and safety.

CN223876466UActive Publication Date: 2026-02-06HUAIBEI MINING CO LTD
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Patent Information

Application Number
CN202520034574.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-08
Publication Date
2026-02-06
Estimated Expiration
2035-01-08

AI Technical Summary

Technical Problem

The existing process of disassembling the track pins of roadheaders is laborious, time-consuming, and poses safety risks.

Method used

Design a track pin removal manipulator for a roadheader that includes a pin removal assembly and a pin transfer assembly. The manipulator automatically removes the track pins by using a counteracting cylinder push plate, a pulling cylinder hook, and a pallet frame. It also automatically pushes out the pins using the guide wheels and gear system of the pin transfer assembly.

Benefits of technology

It improves the efficiency of track pin disassembly, reduces the labor intensity of operators, saves material consumption, and reduces safety risks.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a fully-mechanized coal winning machine track pin-releasing manipulator capable of efficiently disassembling a pin shaft, which belongs to the field of fully-mechanized coal winning machine track pin-releasing and comprises a front horizontal frame, and a rear horizontal frame is arranged on the rear side of the front horizontal frame; the pin removing assembly comprises a pin abutting oil cylinder fixedly connected into the front horizontal frame, the output end of the pin abutting oil cylinder is fixedly connected with a push plate, pressing plate frames are further arranged on the front side and the rear side of the right portion of the front horizontal frame respectively, the right side of the front horizontal frame is rotationally connected with a pulling oil cylinder, and the output end of the pulling oil cylinder is rotationally connected with a hook head. The front side and the rear side of the left portion of the front lying frame are fixedly connected with tray frames correspondingly. By means of the pin disengaging assembly, automatic pin disengaging of the track shoe pin shaft can be achieved, the labor intensity of operators is relieved, the work efficiency of pin disengaging is obviously improved, material consumption is reduced, and the safety risk during pin disengaging is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a comprehensive excavator track pin technology, concretely is a kind of comprehensive excavator track pin mechanical hand of high efficiency to pin shaft disassembly. BACKGROUND

[0002] Comprehensive excavator is the abbreviation of comprehensive mechanized excavator, is a kind of integrated comprehensive mechanized equipment of a variety of functions such as tunneling, rock loading, coal transportation even supporting, nailing road, and the main reliance of comprehensive excavator is track movement, and before the overhaul inspection of track walking track, track plate must be completely disassembled, to check the wear condition of track plate pin hole and pin shaft.

[0003] The existing disassembly track pin shaft is a work that is both laborious and time-consuming, and there is a certain risk to safety. The disassembly steps are as follows: first, the elastic cylindrical pin (2 for each track plate) connected to the outer end of each track plate pin shaft is cut off by burning welding, then two people cooperate to use a sledgehammer to knock out the pin shaft, and finally the disassembled track plate and pin shaft are placed neatly for inspection. The disassembly operation has high labor intensity, low work efficiency, consumes a large amount of oxygen and acetylene during the disassembly process, and the burning welding and hammering increase the safety risk of the operator. Therefore, we propose a kind of comprehensive excavator track pin mechanical hand of high efficiency to pin shaft disassembly to solve the above problems encountered. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a kind of comprehensive excavator track pin mechanical hand of high efficiency to pin shaft disassembly to solve the problems raised in the above background art.

[0005] The purpose of the utility model can be realized by the following technical solutions: a front bed is arranged on the rear side of the front bed;

[0006] The pin disassembly assembly includes a pin disassembly assembly, and the pin disassembly assembly includes a pin disassembly assembly.

[0007] Preferably, the top of the front bed is further fixedly connected with a control frame, and the control frame is provided with an operation controller.

[0008] Preferably, the left and right sides of the rear bed are respectively provided with a through slot, and the rear side of the rear bed is provided with a pin shaft moving-out slot.

[0009] Preferably, two press plate frames are provided with track plates between them, and the top of the track plate is provided with a square groove, and the square grooves are distributed at equal intervals.

[0010] Preferably, the pin moving assembly comprises a connecting plate fixedly connected to the rear side of the rear bed frame, vertical plates fixedly connected to the left and right sides of the connecting plate respectively, a guide rod fixedly connected between the vertical plates, a translation plate slidingly connected to the middle of the outer side of the guide rod, springs sleeved on the left and right sides of the outer side of the guide rod, one end of the spring abutting against one end face of the translation plate, the translation plate slidingly connected to the bottom of the connecting plate, a rotating shaft rotatingly connected to the bottom of the left and right sides of the translation plate respectively, a motor fixedly connected to the top of the translation plate, the output end of the motor fixedly connected to one end of the adjacent rotating shaft, a connecting shaft fixedly connected to the middle of the bottom of the translation plate, a belt pulley fixedly connected to the outer upper side of the left rotating shaft and the outer lower side of the connecting shaft, the same belt being tightly arranged on the outer sides of the two belt pulleys, a gear fixedly connected to the outer upper side of the connecting shaft and the outer upper side of the right rotating shaft, the two gears meshing with each other, and a guide wheel fixedly connected to the bottom end of the rotating shaft.

[0011] Preferably, the middle section of the guide wheel has a smaller radius than the radii of the two end faces.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] 1. The pin moving assembly can automatically remove the track pin shaft, reduce the labor intensity of the operator, improve the working efficiency of pin removal, save material consumption, and reduce the safety risk during pin removal.

[0014] 2. The pin moving assembly can automatically push out the pin shaft after pin removal, without manually pulling out the pin shaft, further improving the automation level of pin removal and reducing the labor workload. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to facilitate the understanding of those skilled in the art, the utility model will be further described below in combination with the drawings.

[0016] Figure 1 is a perspective structural schematic view of the utility model;

[0017] Figure 2 is a top view structural schematic view of the utility model;

[0018] Figure 3 is Figure 2 the enlarged schematic view of part A shown in the figure;

[0019] Figure 4 is another perspective structural schematic view of the utility model;

[0020] Figure 5 is Figure 4The B part enlarged view shown in the figure is a schematic view of the partial rear view amplification structure of the utility model.

[0021] Figure 6 The B part enlarged view shown in the figure is a schematic view of the partial rear view amplification structure of the utility model.

[0022] In the figure: 1, front lying frame; 2, rear lying frame; 3, offsetting oil cylinder; 4, push plate; 5, pressing plate frame; 6, pulling and moving oil cylinder; 7, hook head; 8, tray frame; 9, control frame; 10, operation controller; 11, track plate; 12, square groove; 13, connecting plate; 14, vertical plate; 15, guide rod; 16, translation plate; 17, spring; 18, rotating shaft; 19, connecting shaft; 20, pulley; 21, guide wheel; 22, belt; 23, gear; 24, motor. DETAILED DESCRIPTION

[0023] The technical scheme of the utility model will be described below clearly and completely in combination with embodiments, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0024] Please refer to Figures 1-6 As shown in the figure, a caterpillar track pin extraction mechanical hand capable of efficiently disassembling pin shafts, comprising a front lying frame 1, a rear lying frame 2 is arranged on the rear side of the front lying frame 1;

[0025] The pin extraction assembly comprises an offsetting oil cylinder 3 fixedly connected in the front lying frame 1, the output end of the offsetting oil cylinder 3 is fixedly connected with a push plate 4, the right side of the front lying frame 1 is further provided with pressing plate frames 5 on the front and rear sides respectively, the right side of the front lying frame 1 is rotatably connected with a pulling and moving oil cylinder 6, the output end of the pulling and moving oil cylinder 6 is rotatably connected with a hook head 7, the left side of the front lying frame 1 is fixedly connected with tray frames 8 on the front and rear sides respectively.

[0026] It should be noted that the offsetting oil cylinder 3 is used to provide a pushing force, the outer end of the pin shaft is broken by the push plate 4, so that the pin shaft can be pushed out, the pressing plate frames 5 can avoid the track plate from bouncing up during the process of being broken by the pin shaft, and at the same time facilitate the pulling and moving of the pulling and moving oil cylinder 6, the hook head 7 can be embedded in the square groove 12 to pull the track plate 11 to move as a whole, the tray frames 8 are used to limit the track plate after the pin is extracted, so as to avoid its dispersion, through the pin extraction assembly arranged, the automatic pin extraction of the track plate 11 pin shaft can be realized, the labor intensity of the operator is reduced, the working efficiency of pin extraction is obviously improved, the material consumption is saved, and the safety risk during pin extraction is reduced.

[0027] The top of the front lying frame 1 is further fixedly connected with a control frame 9, the control frame 9 is provided with an operation controller 10, and the control frame 9 is used to fix the operation controller 10, so as to facilitate installation.

[0028] The lower sides of the left and right sides of the rear sleeper frame 2 are respectively provided with a through slot, and the rear side of the rear sleeper frame 2 is provided with a pin shaft moving-out slot, the through slot can facilitate the caterpillar board 11 to pass through, and the pin shaft moving-out slot can facilitate the pin shaft to be pushed out to avoid interference.

[0029] The caterpillar board 11 is arranged between the two pressing plate frames 5, the top of the caterpillar board 11 is provided with square grooves 12 which are distributed at equal intervals, the square grooves 12 can be matched with the hook heads 7, and the caterpillar board 11 can be moved by pulling the displacement oil cylinder 6.

[0030] The pin moving assembly comprises a connecting plate 13 fixedly connected to the rear side of the rear sleeper frame 2, vertical plates 14 fixedly connected to the left and right sides of the connecting plate 13, a guide rod 15 fixedly connected between the vertical plates 14, a translation plate 16 slidably connected to the middle of the outer side of the guide rod 15, springs 17 sleeved on the left and right sides of the outer side of the guide rod 15, one end of each spring 17 abutting against one end face of the translation plate 16, the translation plate 16 further slidably connected to the bottom of the connecting plate 13, rotating shafts 18 rotatably connected to the left and right sides of the bottom of the translation plate 16, a motor 24 fixedly connected to the top of the translation plate 16, the output end of the motor 24 fixedly connected to one end of the adjacent rotating shaft 18, a connecting shaft 19 fixedly connected to the middle of the bottom of the translation plate 16, belt pulleys 20 fixedly connected to the outer upper side of the left rotating shaft 18 and the outer lower side of the connecting shaft 19, the same belt 22 being tautly arranged on the outer sides of the two belt pulleys 20, gear wheels 23 fixedly connected to the outer upper side of the connecting shaft 19 and the outer upper side of the right rotating shaft 18, the two gear wheels 23 being meshed with each other, and guide wheels 21 fixedly connected to the bottom ends of the rotating shafts 18.

[0031] It should be noted that the vertical plates 14 are used to fix the guide rod 15, the connecting plate 13 is L-shaped, the top of the connecting plate 13 is provided with a slot for facilitating the movement of the motor 24, the springs 17 can facilitate the left and right movement of the translation plate 16 on the outer side of the guide rod 15, the position of the guide wheel 21 can be flexibly adjusted according to the position of the pin shaft being pushed out, the belt pulleys 20 and the belt 22 are matched to transmit power, the gear wheels 23 are meshed with each other to change the rotation direction, so that the rotation directions of the rotating shafts 18 on the left and right sides are opposite, which facilitates the contact and extrusion of the pin shaft to drive the pin shaft to move in one direction, and facilitates the automatically rolled-out pin shaft to be driven.

[0032] The middle section of the guide wheel 21 has a smaller radius than the two end faces, and the shape of the guide wheel 21 is designed to increase the contact area when the guide wheel 21 contacts the pin shaft, which is more conducive to the rolling-out of the pin shaft.

[0033] The utility model discloses when carrying out specifically: the track shoe 11 is worn into the pressing plate frame 5, is connected with the hook 7 on the pull -off oil cylinder 6, is pushed to the track shoe tray frame 8 through operating pull -off oil cylinder 6 and will be pushed to the track shoe tray frame 8 through operating pull -off oil cylinder 6 with the track shoe 11 pull -off to the position of cancelling, and then operating the elastic cylindrical pin of track pin axle outer end is cancelled again with the cooperation pin axle push plate 4, and the track pin axle is pushed out track shoe 11 pin axle hole together.

[0034] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the skilled in the art can well understand and use the utility model. The utility model is limited by the claims and the whole scope and equivalents.

Claims

1. A caterpillar stripping manipulator of a roadheader capable of efficiently disassembling a pin shaft, characterized in that, Including front lying frame (1), the rear side of front lying frame (1) is provided with rear lying frame (2); The pin pulling assembly includes a pin cylinder (3) fixedly connected in the front lying frame (1), the output end of the pin cylinder (3) is fixedly connected with a push plate (4), the right side of the front lying frame (1) is further provided with a pressing plate frame (5) on the front and back sides respectively, the right side of the front lying frame (1) is rotatably connected with a pull moving cylinder (6), the output end of the pull moving cylinder (6) is rotatably connected with a hook head (7), the left side of the front lying frame (1) is fixedly connected with a tray frame (8) on the front and back sides respectively.

2. The mechanical hand for disassembling the caterpillar of the fully mechanized coal mining face from the pin shaft according to claim 1, characterized in that, The top of the front lying frame (1) is further fixedly connected with a control frame (9), and the control frame (9) is provided with an operation controller (10).

3. The mechanical hand for disassembling the caterpillar of the roadheader from the pin shaft according to claim 2, characterized in that, The left and right sides of the rear lying frame (2) are respectively provided with a through slot on the lower side, and the rear side of the rear lying frame (2) is provided with a pin shaft moving-out slot.

4. The mechanical hand for disassembling the caterpillar of the roadheader from the pin shaft according to claim 3, characterized in that, Two pressing plate frames (5) are provided with track shoes (11), the top of the track shoe (11) is provided with a square groove (12), and the square grooves are distributed at equal intervals.

5. The mechanical hand for disassembling the caterpillar of the roadheader from the pin shaft according to claim 4, characterized in that, The pin pulling assembly includes a connecting plate (13) fixedly connected to the rear side of the rear lying frame (2), the left and right sides of the connecting plate (13) are respectively fixedly connected with vertical plates (14), the vertical plates (14) are fixedly connected with guide rods (15) between them, the outer side of the guide rod (15) is slidably connected with a translation plate (16), the outer side of the guide rod (15) is further sleeved with a spring (17) on the left and right sides, one end of the spring (17) abuts against one end face of the translation plate (16), the translation plate (16) is further slidably connected to the bottom of the connecting plate (13), the bottom of the translation plate (16) is rotatably connected with a rotating shaft (18) on the left and right sides respectively, the top of the translation plate (16) is fixedly connected with a motor (24), the output end of the motor (24) is fixedly connected with one end of the adjacent rotating shaft (18), the bottom of the translation plate (16) is further fixedly connected with a connecting shaft (19) in the middle, the outer upper side of the left rotating shaft (18) and the outer lower side of the connecting shaft (19) are fixedly connected with a belt wheel (20), the outer sides of the two belt wheels (20) are tensioned with the same belt (22), the outer upper side of the connecting shaft (19) and the outer upper side of the right rotating shaft (18) are fixedly connected with a gear (23), the two gears (23) are meshed with each other, and the bottom end of the rotating shaft (18) is fixedly connected with a guide wheel (21).

6. The mechanical hand for disassembling the caterpillar of the roadheader from the pin shaft according to claim 5, characterized in that, The middle section of the guide wheel (21) has a smaller radius than the two end faces.