CN107160324B

CN107160324B - Dismounting device

Info

Publication number: CN107160324B
Application number: CN201710389629.3A
Authority: CN
Inventors: 马料宝; 马俊; 马成
Original assignee: Zhenjiang Yuanda Transmission Machinery Co ltd
Current assignee: Zhenjiang Yuanda Transmission Machinery Co ltd
Priority date: 2017-05-27
Filing date: 2017-05-27
Publication date: 2022-08-30
Anticipated expiration: 2037-05-27
Also published as: CN107160324A

Abstract

The invention discloses a dismounting device, wherein a support body is fixed at the center of a base, two slide rails are symmetrically arranged at two sides of the support body, two mounting plates are respectively fixed on the two slide rails, two dismounting blocks are respectively connected on the two slide rails in a sliding manner, and a reset spring is supported between the mounting plate and the dismounting block on each slide rail; two cross axle limiting rods are respectively inserted on the two mounting plates, a first spring, a second spring and a welding fork limiting sleeve are sleeved on each cross axle limiting rod, two driving racks are respectively and fixedly connected to the side walls of the two disassembly blocks, four driving gears are meshed with each other from left to right and are rotatably connected to the base, the two driving gears on the outermost side are correspondingly meshed with the two driving racks, and a hexagonal driving platform is arranged on the upper end faces of the two driving gears in the middle. The invention has simple structure, convenient use, simple operation and low potential safety hazard, and avoids the damage caused by uneven stress of parts.

Description

Dismounting device

The technical field is as follows:

the invention relates to a dismounting device.

Background art:

when the cross shaft 400 is detached from the welding fork 500 (the connection structure between the welding fork 500 and the cross shaft 400 is shown in fig. 10), the existing detachment is generally realized through two cylinders, when the detachment is performed, output shafts of the two cylinders are connected to two connecting sides of the welding fork 500 through steel wire ropes, the cylinders are opened, the output shafts of the cylinders are contracted, the output shafts of the cylinders stretch two connections of the welding fork 500, and finally the cross shaft 400 is taken out.

This kind of dismantlement mode, the potential safety hazard of existence is big, and at the in-process that the welding fork 500 two connection edges strutted, the welding fork 500 can take place pivoted phenomenon, and its stress point can lead to the welding fork 500 atress uneven and cause the inequality of deformation after changing, and then damages the welding fork 500.

The invention content is as follows:

the present invention provides a disassembling device to solve the above problems of the prior art.

The technical scheme adopted by the invention is as follows: a dismounting device comprises a base, slide rails, dismounting blocks, a reset spring, mounting plates, a cross shaft limiting rod, a welding fork limiting sleeve, a first spring, a second spring, a driving rack, a driving gear and a supporting body, wherein the supporting body is fixed at the center of the base; two cross axle limiting rods are respectively inserted on the two mounting plates, a first spring, a second spring and a welding fork limiting sleeve are sleeved on each cross axle limiting rod, two ends of the first spring on each cross axle limiting rod respectively correspond to the mounting plates and the cross axle limiting rods in a butt joint mode, two ends of the second spring respectively correspond to the cross axle limiting rods and the welding fork limiting sleeves in a butt joint mode, two driving racks are respectively and fixedly connected to the side walls of the two disassembly blocks, the four driving gears are rotatably connected to the base from left to right in an meshed mode, the two driving gears on the outermost side correspondingly mesh with the two driving racks, and a hexagonal driving table is arranged on the upper end face of the two driving gears in the middle.

Furthermore, the disassembly block comprises a disassembly part and a guide part fixedly connected with the disassembly part, a disassembly clamping groove is formed in the disassembly part, a guide groove is formed in the guide part, and the guide groove is communicated with the disassembly clamping groove.

Furthermore, the supporting body comprises a cushion block and a supporting block, and the supporting block is vertically welded on the cushion block; supporting parts are arranged on two sides of the upper end surface of each supporting block, and arc supporting grooves are arranged on each supporting part.

Furthermore, two limiting plates are arranged on the inner surface of each supporting part, and a limiting cavity is formed between the two limiting plates.

Furthermore, a boss part is arranged on the cross shaft limiting rod.

Furthermore, a limiting rib is arranged on the cross shaft limiting rod.

Furthermore, a limiting groove matched with the limiting rib is formed in the inner wall of the limiting sleeve of the welding fork.

The invention has the following beneficial effects:

1) the universal joint pin and the welding fork can be positioned in the process of disassembling the universal joint pin from the welding fork, the stability of the universal joint pin and the welding fork is guaranteed, the driving body drives the two disassembling blocks to move in a reverse direction, the two disassembling blocks simultaneously open the welding fork, the welding fork is stressed at the same time, damage caused by uneven stress of parts is avoided, the operation is simple, and potential safety hazards are low;

2) the invention does not need to be electrified to work, saves power supply and has low use cost.

Description of the drawings:

FIG. 1 is a front view of the present invention.

FIG. 2 is a top view of the present invention.

Fig. 3 is a structural view of two drive gears located at an intermediate position in the present invention.

Fig. 4 is a structural view of a detaching block in the present invention.

FIG. 5 is a structural view of a support in the present invention.

FIG. 6 is a partial block diagram of a weld yoke and cross on the take-down assembly of the present invention.

Fig. 7, 8 and 9 are structural views of a spider retainer bar and a weld yoke retainer sleeve of the present invention.

FIG. 10 is a block diagram of a prior art weld yoke and spider.

The specific implementation mode is as follows:

the invention will be further described with reference to the accompanying drawings.

Referring to fig. 1 to 3, the dismounting device of the present invention is used for dismounting a universal joint pin 400 from a welding fork 500, and includes a base 11, slide rails 12, a dismounting block 13, a return spring 14, a mounting plate 15, a universal joint pin limiting rod 21, a welding fork limiting sleeve 22, a first spring 23, a second spring 24, a driving rack 31, a driving gear 32 and a support 4, wherein the support 4 is fixed at the center of the base 11, the two slide rails 12 are fixed on the base 11, the two slide rails 12 are symmetrically located at two sides of the support 4, the two mounting plates 15 are respectively fixed on the two slide rails 12, the two dismounting blocks 13 are respectively slidably connected to the two slide rails 12, the return spring 14 is arranged between the mounting plate 15 and the dismounting block 13 on each slide rail 12, and two ends of the return spring 14 are respectively abutted to the mounting plate 15 and the dismounting block 13. Two cross shaft limiting rods 21 are respectively inserted on the two mounting plates 15, a first spring 23, a second spring 24 and a welding fork limiting sleeve 22 are sleeved on each cross shaft limiting rod 21, two ends of the first spring 23 on each cross shaft limiting rod 21 are respectively abutted to the mounting plates 15 and the cross shaft limiting rods 21 correspondingly, two ends of the second spring 24 are respectively abutted to the cross shaft limiting rods 21 and the welding fork limiting sleeves 22 correspondingly, two driving racks 31 are respectively and fixedly connected to the side walls of the two disassembly blocks 13, the four driving gears 32 are rotatably connected to the base 11 from left to right in an engaged mode, the two driving gears 32 on the outermost side are correspondingly engaged with the two driving racks 31, and a hexagonal driving table 33 is arranged on the upper end face of the two driving gears 32 in the middle.

As shown in fig. 4, the detaching block 13 includes a detaching portion 131 and a guiding portion 132, the detaching portion 131 is fixedly connected to the guiding portion 132, a detaching slot 133 is disposed on the detaching portion 131, a guiding slot 134 is disposed on the guiding portion 132, and the guiding slot 134 is communicated with the detaching slot 133.

Referring to fig. 5, the supporting body 4 of the present invention includes a head block 41 and a supporting block 42, wherein the head block 41 is fixed on the base 11, and the supporting block 42 is vertically welded to the head block 41. Both sides of the upper end surface of the supporting block 42 are provided with a supporting portion 43, and each supporting portion 43 is provided with an arc supporting groove 44.

In order to better position the cross shaft 400 on the support blocks 42, two retainer plates 46 are provided on the inner surface of each support portion 43, and a retainer cavity 45 is formed between the two retainer plates 46.

With reference to fig. 6, when the cross 400 is detached from the welding fork 500, the cross 400 is placed on the support 4, and two ends of a rectangular block in the cross 400 are clamped in the two limiting cavities 45, two connecting shafts in the cross 400 are placed on the two circular arc supporting grooves 44, the limiting cavities 45 are used for positioning the rectangular block, the circular arc supporting grooves 44 are used for positioning the connecting shafts, and under the combined action of the limiting cavities 45 and the circular arc supporting grooves 44, the positioning effect of the cross 400 can be ensured. The two connecting edges of the welding fork 500 are correspondingly inserted into the detaching slots 133 of the detaching parts 131 in the two detaching blocks 13 respectively, and are positioned through the detaching slots 133, the cross shaft limiting rod 21 abuts against the connecting shaft body of the cross shaft 400 through the first spring 23, and the welding fork limiting sleeve 22 abuts against the two connecting edges of the welding fork 500 through the second spring 24. A prior art driving wrench is connected to a hexagonal driving table 33 on a driving gear 32 in the middle, and the driving wrench is rotated to move two driving racks 31 back to open two connecting sides of the welding fork 500.

In the process of backward movement of the two disassembly blocks 13, the cross shaft limiting rod 21 is always abutted to the connecting shaft body of the cross shaft 400, the two connecting edges of the welding fork 500 are opened, the connecting edges of the welding fork 500 push the welding fork limiting sleeve 22, the welding fork limiting sleeve 22 is made to overcome the spring force of the second spring 24 to move, under the spring force action of the second spring 24, the welding fork limiting sleeve 22 is always abutted to the welding fork 500, further, the welding fork 500 is prevented from rotating in the disassembly process, the stress point of the welding fork 500 is prevented from being deviated, the manual regulation and control process is reduced, and the welding fork 500 is prevented from being damaged due to the change of the stress point.

The dismounting block 13 is provided with a guide groove 134, the cross section of the guide groove 134 is V-shaped, the welding fork limiting sleeve 22 moves in the guide groove 134, and the guide groove 134 ensures the stability of the movement of the welding fork limiting sleeve 22.

As shown in fig. 7 to 9, in order to facilitate the first spring 23 and the second spring 24 to abut against the cross shaft stopper rod 21, a boss portion 210 is provided on the cross shaft stopper rod 21. In order to prevent the welding fork position-limiting sleeve 22 from rotating during the movement process, the cross shaft position-limiting rod 21 is provided with a position-limiting rib 211, and correspondingly, the inner wall of the welding fork position-limiting sleeve 22 is provided with a position-limiting groove 221 matched with the position-limiting rib 211.

In order to facilitate pulling of the spider limiting rod 21, a nut 25 is screwed on the spider limiting rod 21.

The foregoing is only a preferred embodiment of this invention and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the invention and these modifications should also be considered as the protection scope of the invention.

Claims

1. A dismounting device is characterized in that: the welding device comprises a base (11), sliding rails (12), dismounting blocks (13), a reset spring (14), mounting plates (15), a cross shaft limiting rod (21), a welding fork limiting sleeve (22), a first spring (23), a second spring (24), a driving rack (31), a driving gear (32) and a supporting body (4), wherein the supporting body (4) is fixed at the center of the base (11), the two sliding rails (12) are symmetrically arranged at two sides of the supporting body (4), the two mounting plates (15) are respectively fixed on the two sliding rails (12), the two dismounting blocks (13) are respectively connected onto the two sliding rails (12) in a sliding manner, and the reset spring (14) is supported between the mounting plate (15) and the dismounting block (13) on each sliding rail (12); two cross shaft limiting rods (21) are respectively inserted on the two mounting plates (15), a first spring (23), a second spring (24) and a welding fork limiting sleeve (22) are sleeved on each cross shaft limiting rod (21), and both ends of a first spring (23) on each cross axle limiting rod (21) are respectively correspondingly abutted against the mounting plate (15) and a boss part (210) in the cross axle limiting rod (21), both ends of a second spring (24) are respectively abutted against the boss part (210) in the cross axle limiting rod (21) and a welding fork limiting sleeve (22), two driving racks (31) are respectively and fixedly connected with the side walls of the two disassembly blocks (13), four driving gears (32) are mutually meshed and rotatably connected on the base (11) from left to right, and the two driving gears (32) at the outermost sides are correspondingly meshed with the two driving racks (31), a hexagonal driving table (33) is arranged on the upper end surfaces of the two driving gears (32) in the middle;

the supporting body (4) comprises a cushion block (41) and a supporting block (42), and the supporting block (42) is vertically welded on the cushion block (41); supporting parts (43) are respectively arranged on two sides of the upper end surface of each supporting block (42), and each supporting part (43) is provided with an arc supporting groove (44);

two limit plates (46) are arranged on the inner surface of each supporting part (43), and a limit cavity (45) is formed between the two limit plates (46);

a limiting rib (211) is arranged on the cross shaft limiting rod (21);

and a limiting groove (221) matched with the limiting rib (211) is formed in the inner wall of the welding fork limiting sleeve (22).

2. The dismounting device of claim 1, wherein: the disassembly block (13) comprises a disassembly part (131) and a guide part (132) fixedly connected with the disassembly part (131), a disassembly clamping groove (133) is formed in the disassembly part (131), a guide groove (134) is formed in the guide part (132), and the guide groove (134) is communicated with the disassembly clamping groove (133).