Disassembly-free bucket shaft gasket of excavator

Abstract

The utility model discloses a disassembly-free bucket shaft gasket of an excavator, which belongs to the field of auxiliary tools of excavators and comprises semicircular gaskets on two sides, gasket lugs are fixedly mounted on the outer side surfaces of two sides of the semicircular gaskets on two sides, and a connecting component is arranged between every two gasket lugs. The connecting assembly comprises a containing groove formed in the surface of the lug of the gasket on one side, through the arrangement of the connecting assembly, bolts do not need to be used for connection, a shaft connecting plate on one side of the bucket shaft gasket is replaced, therefore, the situation of overlying buckling is avoided, after a plurality of gaskets are installed, the situation that the gaskets protrude due to overlying is avoided, and the service life of the gaskets is prolonged. A connecting plate of the bucket shaft gasket does not need to be ground and thinned, the workload of workers is relieved, the practicability of the device is improved, the semicircular gaskets on the two sides are in butt joint with each other forcibly in the connecting process, the semicircular gaskets on the two sides are automatically limited through clamping limiting of the connecting assemblies, and a traditional connecting mode through bolts is replaced; and the installation efficiency of workers is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of excavator auxiliary tools technical field, specifically a kind of excavator disassembly bucket shaft gasket. BACKGROUND

[0002] After excavator is operated for a long time, gap is generated between the pull head articulated by bucket shaft and connecting rod on its bucket due to abrasion, which causes the bucket to shake during operation, so it is necessary to add gasket to the gap between the pull head and connecting rod to increase the stability of the bucket and reduce the abrasion between the pull head and connecting rod.

[0003] Since the shaft connection structure of the two annular gaskets is a shaft connecting plate, and the two shaft connecting plates are stacked and buckled, in order to prevent the place from protruding due to stacking after installing multiple gaskets, the two shaft connecting plates need to be ground and thinned during process production, which requires the staff to process the shaft connecting plate through a machine, increasing the staff's work burden and reducing the practicality of the disassembly bucket shaft gasket.

[0004] Therefore, the utility model provides a kind of excavator disassembly bucket shaft gasket to solve the above problems. UTILITY MODEL CONTENTS

[0005] (I) technical problem solved

[0006] The utility model provides a kind of excavator disassembly bucket shaft gasket, aims at solving the existing problems proposed in the background art.

[0007] (II) technical scheme

[0008] To achieve the above purpose, the utility model provides the following technical scheme:

[0009] Including two sides' semicircular gasket, the outer surface of both sides of the semicircular gasket is fixedly installed with gasket lug, and a connecting assembly is arranged between every two gasket lugs.

[0010] The connecting assembly includes a receiving groove opened in the side surface of one side gasket ear, the inside of the receiving groove is rotationally connected with a plug-in plate through a hinge column, the side surface of the other side gasket ear is provided with a plug-in groove matched with the plug-in plate, the two side surfaces of the plug-in plate are provided with limiting grooves, the limiting grooves are inserted with limiting blocks, the two sides of the inner wall of the plug-in groove are provided with second sliding grooves, the limiting blocks are slidingly connected in the second sliding grooves, the side surface of the limiting block is provided as an arc surface, the side surface of the limiting block is fixedly installed with a return spring, one end of the return spring is fixedly installed with an L-shaped connecting rod, one end of the L-shaped connecting rod is fixedly installed with a connecting piece, the inside of every two connecting pieces is threadedly connected with a bidirectional screw rod, the outer surface of the bidirectional screw rod is fixedly installed with a first bevel gear, one side of the first bevel gear is meshingly connected with a second bevel gear.

[0011] As a preferred technical scheme of the present application, the inside of the second bevel gear is fixedly installed with a driven column, one end of the driven column is fixedly installed with a driving rod, the outer surface of the driving rod is provided with a threaded groove, and the outer surface of the threaded groove is threadedly connected with a limiting nut.

[0012] As a preferred technical scheme of the present application, the upper surface of the receiving groove is provided with a hinge seat, and the surface of the hinge seat is rotationally connected with a sealing plate.

[0013] As a preferred technical scheme of the present application, the inside of the semicircular gasket is provided with an arc-shaped recess, and the inside of the arc-shaped recess is provided with a plurality of buffer expansion columns, and the inside of each buffer expansion column is fixedly installed with a buffer spring.

[0014] As a preferred technical scheme of the present application, the inner side walls of the two semicircular gaskets are fixedly installed with shock-absorbing sheets, the surface of the semicircular gasket is provided with a plurality of first lubricating channels, the surface of the shock-absorbing sheet is provided with a plurality of second lubricating channels, and the plurality of first lubricating channels and second lubricating channels are communicated.

[0015] As a preferred technical scheme of the present application, every two gasket ears form a group, the side surface of the gasket ear is fixedly installed with a protruding part, and the side surface of the gasket ear is provided with a recessed part, and the recessed part on one side is matched with the protruding part on the opposite side.

[0016] (Three) beneficial effects

[0017] Through the setting of the connecting assembly, the bolt is not needed to be used for connection, the shaft connecting plate on one side of the bucket shaft gasket is replaced, so that the overlapping and buckling does not occur, and after the multiple gaskets are installed, the protrusion due to the overlapping does not occur, the connecting plate of the bucket shaft gasket does not need to be polished and thinned, the work burden of the staff is reduced, the practicability of the device is improved, the semicircular gaskets on the two sides are butt jointed in the connecting process, the semicircular gaskets on the two sides are automatically limited through the clamping and limiting of the connecting assembly, the traditional bolt connection mode is replaced, and the installation efficiency of the staff is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structure schematic diagram of a bucket shaft gasket dismounting-free excavator;

[0019] Figure 2 It is a top view sectional structure schematic diagram of a bucket shaft gasket dismounting-free excavator;

[0020] Figure 3 It is a structure schematic diagram of a connecting assembly of a bucket shaft gasket dismounting-free excavator;

[0021] Figure 4 It is a structure schematic diagram of a connecting assembly of a bucket shaft gasket dismounting-free excavator; Figure 3 It is an enlarged structure schematic diagram of A in the figure;

[0022] Figure 5 It is a structure schematic diagram of a buffer telescopic column and a buffer spring of a bucket shaft gasket dismounting-free excavator.

[0023] In the figure:

[0024] 1, semicircular gasket; 2, gasket ear; 3, connecting assembly; 301, plug-in plate; 302, plug-in slot; 303, limiting block; 304, reset spring; 305, L-shaped connecting rod; 306, bidirectional screw rod; 307, first bevel gear; 308, driving rod; 309, limiting nut; 4, sealing plate; 5, buffer telescopic column; 6, buffer spring; 7, shock absorber; 8, first lubricating channel; 9, protruding part; 10, recessed part. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by the ordinary skilled in the art without creative labor are within the protection scope of the present application.

[0026] The utility model provides a kind of excavator free to dismantle bucket shaft gasket, including two sides' semicircular gasket 1, the outside surface of two sides semicircular gasket 1 is fixedly installed with gasket lug 2, connecting assembly 3 is provided between every two gasket lug 2, connecting assembly 3 includes the receiving slot being opened in the surface of one side gasket lug 2, the inside of receiving slot is rotatably connected with the plug-in board 301 by hinging column, the side surface of other side gasket lug 2 is opened with plug-in slot 302, plug-in slot 302 is adapted with plug-in board 301, the both sides surface of plug-in board 301 is opened with limit slot, limit block 303 is inserted in the inside of limit slot, the both sides of the inner wall of plug-in slot 302 are opened with second sliding slot, limit block 303 is slidably connected in the inside of second sliding slot, the side surface of limit block 303 is set as arc surface, limit block 303 is fixedly installed with return spring 304 on the side surface, the one end of return spring 304 is fixedly installed with L-shaped connecting rod 305, the one end of L-shaped connecting rod 305 is fixedly installed with connecting piece, the inside of every two connecting pieces is threadedly connected with bidirectional screw rod 306, the middle part of the outer surface of bidirectional screw rod 306 is fixedly installed with first bevel gear 307, the side of first bevel gear 307 is meshingly connected with second bevel gear, second bevel gear is fixedly installed with driven column in the inside, the one end of driven column is fixedly installed with driving rod 308, the outer surface of driving rod 308 is provided with thread groove, the outer surface of thread groove is threadedly connected with limit nut 309.

[0027] When the semicircular gasket 1 of two sides and gasket lug 2 need to be installed, the plug-in board 301 is rotated outwards from the inside of receiving slot, then the plug-in board 301 is inserted into the inside of plug-in slot 302 and slides inside, the arc surface of limit block 303 is extruded by plug-in board 301 and limit block 303 slides to the inside of second sliding slot, so that limit block 303 is separated from the inside of plug-in slot 302 and extrudes the return spring 304 inside, when the one end of plug-in board 301 slides to the bottom of plug-in slot 302, limit block 303 is inserted into the limit slot of the side surface of plug-in board 301 by the return spring 304, thereby completing the mutual connection and installation of the semicircular gasket 1 of two sides.

[0028] When it needs to be disassembled and separated, the limit nut 309 is rotated, so that the limit nut 309 releases the limit of driving rod 308, then the driven column is rotated by rotating driving rod 308, the driven column drives second bevel gear to rotate, second bevel gear drives the first bevel gear 307 on one side to rotate, the first bevel gear 307 drives the bidirectional screw rod 306 inside to rotate, the connecting piece is slid away from each other by bidirectional screw rod 306, the connecting piece drives L-shaped connecting rod 305 to move, L-shaped connecting rod 305 drives limit block 303 to separate from the inside of limit slot by return spring 304, so as to release the limit of plug-in board 301, thereby completing the mutual separation of semicircular gasket 1 of two sides.

[0029] The upper surface of the receiving groove is provided with a hinged seat, and the surface of the hinged seat is rotationally connected with a sealing plate 4.

[0030] The sealing plate 4 is rotated through the hinged seat, thereby sealing the receiving groove through the sealing plate 4, and dust is prevented from accumulating inside the receiving groove.

[0031] The semicircular gasket 1 is internally provided with an arc-shaped recess, and the arc-shaped recess is internally provided with a plurality of buffer telescopic columns 5, and the buffer telescopic columns 5 are internally fixedly installed with buffer springs 6.

[0032] The arc-shaped recess is internally provided with the buffer telescopic columns 5, and the buffer telescopic columns 5 are internally provided with the buffer springs 6, so that when the semicircular gasket 1 is stressed, the impact force received is absorbed through the buffer telescopic columns 5 and the buffer springs 6, thereby improving the stress performance of the semicircular gasket 1.

[0033] The inner side walls of the two semicircular gaskets 1 are fixedly installed with shock-absorbing sheets 7, the surface of the semicircular gasket 1 is provided with a plurality of first lubricating channels 8, the surface of the shock-absorbing sheet 7 is provided with a plurality of second lubricating channels, and the plurality of first lubricating channels 8 and the second lubricating channels are in communication.

[0034] The surface of the shock-absorbing sheet 7 is in contact with the bucket shaft, thereby improving the shock-absorbing performance of the whole device, the lubricating oil is input into the first lubricating channels 8 and the second lubricating channels by the staff, and an oil film is formed between the bucket shaft and the gasket, which not only plays a lubricating role and reduces friction, but also further enhances the sealing effect and prevents impurities from entering.

[0035] As a preferred technical solution of the present application, every two gasket ears 2 form a group, the side surfaces of the gasket ears 2 are fixedly installed with protruding portions 9, and the side surfaces of the gasket ears 2 are provided with recessed portions 10, one side of the recessed portion 10 is matched with the protruding portion 9 on the opposite side.

[0036] During the installation process, the protruding portion 9 on one side of the gasket ear 2 is inserted into the recessed portion 10 on the other side, and the protruding portions 9 on the two sides are clamped to each other, thereby preventing the semicircular gasket 1 from being displaced in the axial direction, and facilitating the correct installation and connection of the semicircular gaskets 1 on the two sides during the installation, thereby ensuring the matching precision of the semicircular gaskets 1 on the two sides.

[0037] The above is only a preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical solution and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A bucket shaft spacer for excavators which is free from the need for bucket removal, comprising a semicircular spacer (1) on both sides, characterised in that: Both sides of the semicircular gasket (1) are fixedly installed with gasket ears (2) on the outer side surface, and a connecting assembly (3) is arranged between every two gasket ears (2). The connecting assembly (3) comprises a receiving groove opened on the surface of one of the gasket ears (2), and a plug-in plate (301) is rotatably connected to the inside of the receiving groove through a hinge column. The side surface of the other gasket ear (2) is provided with a plug-in groove (302) matched with the plug-in plate (301). Limiting grooves are opened on the two side surfaces of the plug-in plate (301), and limiting blocks (303) are inserted into the limiting grooves. Second sliding grooves are opened on the two sides of the inner wall of the plug-in groove (302), and the limiting blocks (303) are slidingly connected to the inside of the second sliding grooves. One side surface of the limiting block (303) is provided as an arc surface, and a return spring (304) is fixedly installed on the side surface of the limiting block (303). An L-shaped connecting rod (305) is fixedly installed on one end of the return spring (304), and connecting pieces are fixedly installed on one end of the L-shaped connecting rod (305). A bidirectional screw rod (306) is threadedly connected in the inside of every two connecting pieces. A first bevel gear (307) is fixedly installed on the outer surface of the middle part of the bidirectional screw rod (306), and a second bevel gear is meshingly connected on one side of the first bevel gear (307).

2. The non-throwout shaft gasket for an excavator according to claim 1, characterized in that: A driven column is fixedly installed in the inside of the second bevel gear, and a driving rod (308) is fixedly installed on one end of the driven column. A threaded groove is arranged on the outer surface of the driving rod (308), and a limiting nut (309) is threadedly connected to the outer surface of the threaded groove.

3. The excavator bucket shaft spacer of claim 1, wherein: A hinge seat is arranged on the upper surface of the receiving groove, and a sealing plate (4) is rotatably connected to the surface of the hinge seat.

4. The bucket shaft spacer for a demolition machine of claim 1, wherein: An arc-shaped recess is opened in the inside of the semicircular gasket (1), and a plurality of buffer telescopic columns (5) are arranged in the inside of the arc-shaped recess. Buffer springs (6) are fixedly installed in the inside of the plurality of buffer telescopic columns (5).

5. A bucket shaft spacer for a demolition machine according to claim 4, wherein: Damping sheets (7) are fixedly installed on the inner side walls of the two semicircular gaskets (1), and a plurality of first lubricating channels (8) are opened on the surface of the semicircular gasket (1). A plurality of second lubricating channels are opened on the surface of the damping sheet (7), and the plurality of first lubricating channels (8) and the second lubricating channels are in communication.

6. The bucket shaft spacer for a demolition machine of claim 1, wherein: Every two gasket ears (2) form a group, and protruding parts (9) are fixedly installed on the side surfaces of the gasket ears (2). Concave parts (10) are opened on the side surfaces of the gasket ears (2), and one side of the concave part (10) is matched with the protruding part (9) on the opposite side.

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