Dismounting device for dismounting track shaft

Abstract

The utility model provides a dismounting device for dismounting a track shaft, which is applied to the technical field of mechanical equipment dismounting tools, and is characterized by comprising a dismounting body and a drawing driving piece fixed in the dismounting body, a connecting pipe which is in threaded connection with the track shaft is detachably mounted at the action end of the drawing driving piece; the action end of the drawing driving piece is sleeved with a telescopic pipe with the adjustable length, and the telescopic pipe is connected between the dismounting body and the crawler belt in an abutting mode; the dismounting device has the technical effects that when the piston rod of the hydraulic cylinder contracts to pull the track shaft, the telescopic pipe is supported between the dismounting body and the track, so that the position of the cylinder body of the hydraulic cylinder is limited, and the piston rod of the hydraulic cylinder can apply force to pull the track shaft out of the track only by manually assisting to stabilize the hydraulic cylinder; the device can assist manual disassembly of the track shaft, the labor intensity of workers is reduced, and the disassembly efficiency of the track shaft is greatly improved; in addition, the safety of manual operation is improved, and the personal safety of an operator is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical equipment dismounting frock technical field, especially a kind of dismounting device for dismounting track shaft. BACKGROUND

[0002] Track is widely applied in tank and engineering machinery as walking structure, since the working condition of tank and engineering machinery is mostly relatively bad, the wear of track is accelerated, so the maintenance frequency of track is increased;However, due to the reason that the working place of tank engineering machinery is relatively remote, and the terrain is relatively rugged, etc., automatic maintenance equipment cannot reach the scene to maintain track, so when track structure is disassembled and maintained, track shaft in track structure is often disassembled by artificial hammering, however, multiple people need to operate in rotation in the process of dismounting track shaft by artificial hammering, which is time-consuming and laborious, and the operation time is too long;And artificial hammering operation also has safety hazard, which is easy to injure on-site personnel. SUMMARY

[0003] The utility model aims at providing a kind of dismounting device for dismounting track shaft, its advantage is that it can assist artificial dismounting track shaft, greatly improve the dismounting efficiency of track shaft, and improve the safety of artificial operation, guarantee the personal safety of operator.

[0004] To achieve the above object and other related purposes, the utility model provides the following technical scheme:

[0005] A kind of dismounting device for dismounting track shaft, including dismounting body and fixed in the pull-out drive piece of dismounting body;

[0006] The action end of the pull-out drive piece is detachably installed with the connecting pipe connected with track shaft screw;

[0007] The action end of the pull-out drive piece is sleeved with the length-adjustable telescopic pipe, and the telescopic pipe is abutted between dismounting body and track.

[0008] In an embodiment of the utility model, the pull-out drive piece is hydraulic cylinder, and a first pin hole is formed in the piston rod of the hydraulic cylinder;

[0009] One end of the connecting pipe is provided with a second pin hole, and when the piston rod is inserted into the connecting pipe and the first pin hole and the second pin hole are oppositely arranged, a first pin shaft is inserted into the first pin hole and the second pin hole to fix the piston rod and the connecting pipe together.

[0010] In an embodiment of the utility model, the inner wall of the other end of the connecting pipe is provided with internal thread connected with track shaft screw.

[0011] In an embodiment of the utility model, the telescopic pipe includes a plurality of sleeve pipes with different diameters.

[0012] When the telescopic pipe is contracted, the large-diameter sleeve is sleeved on the small-diameter sleeve;

[0013] When the telescopic pipe is elongated, the two adjacent sleeves are connected end to end and fixed together through the second pin shaft.

[0014] In an embodiment of the utility model, the telescopic pipe includes a first sleeve, a second sleeve and a third sleeve;

[0015] The rear end of the first sleeve is provided with a first rear pin hole;

[0016] The two ends of the second sleeve are respectively provided with a second front pin hole and a second rear pin hole;

[0017] The front end of the third sleeve is provided with a third front pin hole;

[0018] When the telescopic pipe is contracted, the third sleeve is sleeved on the second sleeve, and the second sleeve is sleeved on the first sleeve;

[0019] When the telescopic pipe is elongated, the first rear pin hole and the second front pin hole are oppositely arranged, and the second rear pin hole and the third front pin hole are oppositely arranged, and the second pin shaft is inserted into the first rear pin hole, the second front pin hole, the second rear pin hole and the third front pin hole.

[0020] In an embodiment of the utility model, a handle is hingedly arranged on the dismounting body.

[0021] As described above, the utility model discloses a dismounting device for dismounting a track shaft, which has the following beneficial effects:

[0022] 1. The connecting pipe is used for fixing and connecting the piston rod of the hydraulic cylinder and the track shaft together, when the hydraulic cylinder piston rod is contracted to pull out the track shaft, the telescopic pipe is supported between the dismounting body and the track, thereby limiting the position of the cylinder body of the hydraulic cylinder, only manual assistance is needed to stabilize the hydraulic cylinder, and the piston rod of the hydraulic cylinder can be used to force the track shaft to be pulled out of the track, the device can assist manual dismounting of the track shaft, reduce the labor intensity, greatly improve the dismounting efficiency of the track shaft, and the track shaft in the track structure is dismounted without manual hammering, the safety of manual operation is improved, and the personal safety of the operator is ensured.

[0023] 2. The telescopic pipe has telescopic function, can increase the length of the telescopic pipe when the hydraulic cylinder pulls out the track shaft, thereby increasing the distance between the dismounting body and the track, and then the hydraulic cylinder can pull out the track shaft from the track little by little, the telescopic pipe is used in cooperation with the hydraulic cylinder, the volume of the cylinder body of the hydraulic cylinder is reduced, and the whole device is more compact and flexible. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1is the overall structure schematic diagram of the telescopic pipe in the contraction state of the embodiment of the utility model;

[0025] Figure 2 is the structure schematic diagram of the telescopic pipe in the contraction state of the embodiment of the utility model;

[0026] Figure 3 is the overall structure schematic diagram of the telescopic pipe in the elongation state of the embodiment of the utility model;

[0027] Figure 4 is the structure schematic diagram of the telescopic pipe in the elongation state of the embodiment of the utility model;

[0028] Figure 5 is the structure schematic diagram of the connecting pipe of the embodiment of the utility model.

[0029] Reference signs: 1, detach the body; 2, pull driving part; 3, piston rod; 4, connecting pipe; 41, install pipe section; 42, threaded pipe section; 6, first pin shaft; 7, second pin hole; 8, internal thread; 9, telescopic pipe; 91, first sleeve; 92, second sleeve; 93, third sleeve; 13, first rear pin hole; 14, second front pin hole; 15, second rear pin hole; 16, third front pin hole; 17, second pin shaft; 18, handle; 19, track axle; 20, track. DETAILED DESCRIPTION

[0030] The following specific embodiments illustrate the embodiments of the utility model, and those skilled in the art can easily understand other advantages and effects of the utility model from the content disclosed in the specification.

[0031] Please refer to Figures 1 to 5 It is understood that the structure, proportion, size and the like shown in the drawings attached to the specification are only used to cooperate with the content disclosed in the specification for understanding and reading by those skilled in the art, and not used to limit the limiting conditions that the utility model can be implemented, so it does not have the technical essence, any modification of structure, change of proportion relationship or adjustment of size, as long as it does not affect the effects and purposes that the utility model can produce, it should still fall within the scope covered by the technical content disclosed by the utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" in the specification are only for the convenience of clear understanding of the description, and not used to limit the scope of the utility model that can be implemented, the change or adjustment of relative relationship, when the technical content is not changed, it is also regarded as the scope of the utility model that can be implemented.

[0032] Please refer to Figure 1The utility model provides a kind of dismounting device for dismounting track shaft, including dismounting body 1 and fixed in the pull-out drive 2 of dismounting body 1;Dismountable installation is connected with the connecting pipe 4 of track shaft 19 screw connection on the action end of pull-out drive 2;The telescopic tube 9 of adjustable length is sleeved on the action end of pull-out drive 2, and telescopic tube 9 is abutted between dismounting body 1 and track 20.

[0033] Please refer to Figure 1 、 Figure 3 The pull-out drive 2 in the embodiment is a hydraulic cylinder, and the dismounting body 1 is a shell fixed on the cylinder body of the hydraulic cylinder. A handle 18 is hingedly arranged on the side wall of the upper end of the shell, which facilitates an operator to grasp and hold the device.

[0034] A first pin hole is radially formed in the side wall of the piston rod 3 of the hydraulic cylinder. The connecting pipe 4 includes a mounting pipe segment 41 and a threaded pipe segment 42 integrally formed with the mounting pipe segment 41 and coaxially arranged. In the embodiment, the inner hole diameter of the mounting pipe segment 41 is greater than the inner hole diameter of the threaded pipe segment 42. A second pin hole 7 is radially formed in the side wall of the mounting pipe segment 41. The first pin hole and the second pin hole 7 are oppositely arranged when the piston rod 3 is inserted into the mounting pipe segment 41. A first pin shaft 6 is inserted into the first pin hole and the second pin hole 7 to fix the piston rod 3 and the connecting pipe 4 together. An inner thread 8 is formed in the inner wall of the threaded pipe segment 42 to be screwed with the track shaft 19.

[0035] Please refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 The telescopic tube 9 includes a plurality of sleeves with different diameters. When the telescopic tube 9 is contracted, a large-diameter sleeve is sleeved on a small-diameter sleeve. When the telescopic tube 9 is elongated, two adjacent sleeves are connected end to end and fixed together by a second pin shaft 17. In the embodiment, the telescopic tube 9 includes a first sleeve 91, a second sleeve 92 and a third sleeve 93. The outer tube diameter of the first sleeve 91 is less than or equal to the inner tube diameter of the second sleeve 92, and the outer tube diameter of the second sleeve 92 is less than or equal to the inner tube diameter of the third sleeve 93. In the embodiment, the outer tube diameter of the first sleeve 91 is equal to the inner tube diameter of the second sleeve 92, and the outer tube diameter of the second sleeve 92 is equal to the inner tube diameter of the third sleeve 93. When the telescopic tube 9 is contracted, the third sleeve 93 is sleeved on the second sleeve 92, the second sleeve 92 is sleeved on the first sleeve 91, and the first sleeve 91 is sleeved on the piston rod 3.

[0036] A first rear pin hole 13 is radially formed in the rear end side wall of the first sleeve 91. A second front pin hole 14 and a second rear pin hole 15 are radially formed in the side walls of the front end and the rear end of the second sleeve 92, respectively. A third front pin hole 16 is radially formed in the front end side wall of the third sleeve 93.

[0037] When the telescopic pipe 9 is extended, the first rear pin hole 13 is arranged opposite to the second front pin hole 14, and the second rear pin hole 15 is arranged opposite to the third front pin hole 16, and the second pin shaft 17 is inserted into the first rear pin hole 13 and the second front pin hole 14 and the second rear pin hole 15 and the third front pin hole 16.

[0038] Brief description of the use process: the piston rod 3 of the hydraulic cylinder is in the extended state; the third sleeve 93 is sleeved on the second sleeve 92, the second sleeve 92 is sleeved on the first sleeve 91, and the first sleeve 91 is sleeved on the piston rod 3 of the hydraulic cylinder; the locking nut on the track shaft 19 is removed, and the threaded pipe segment 42 of the connecting pipe 4 is threadedly fixedly connected with the track shaft 19; then the piston rod 3 of the hydraulic cylinder is inserted into the mounting pipe segment 41, and the first pin shaft 6 is inserted into the first pin hole and the second pin hole 7; then the hydraulic cylinder is started, the piston rod 3 of the hydraulic cylinder is retracted, and the cylinder body of the hydraulic cylinder is adjusted so that the two ends of the telescopic pipe 9 (the first sleeve 91, the second sleeve 92 and the third sleeve 93 are sleeved together) abut against each other between the dismounting body 1 and the track 20; the telescopic pipe 9 supports the hydraulic cylinder so that the piston rod 3 of the hydraulic cylinder is retracted, and the track shaft 19 is extracted;

[0039] When the piston rod 3 is completely retracted into the hydraulic cylinder, the piston rod 3 is released again, the piston rod 3 drives the cylinder body of the hydraulic cylinder to move away from the track 20, and the distance between the dismounting body 1 and the track 20 is increased; the first sleeve 91 is extended from the second sleeve 92, and the second pin shaft 17 is inserted into the first pin hole and the second front pin hole 14; then the hydraulic cylinder is started again, the piston rod 3 of the hydraulic cylinder is retracted, and the cylinder body of the hydraulic cylinder is adjusted so that the front end of the first sleeve 91 abuts against the track 20 and the rear end of the second sleeve 92 abuts against the dismounting body 1; the first sleeve 91 and the second sleeve 92 support the hydraulic cylinder so that the piston rod 3 of the hydraulic cylinder is retracted, and the track shaft 19 is extracted;

[0040] When the piston rod 3 is completely retracted into the hydraulic cylinder, the piston rod 3 is released again, the piston rod 3 drives the cylinder body of the hydraulic cylinder to move away from the track 20 again, and the distance between the dismounting body 1 and the track 20 is increased again; then the position of the third sleeve 93 is adjusted, and the second pin shaft 17 is inserted into the second rear pin hole 15 and the third front pin hole 16; then the hydraulic cylinder is started again, the piston rod 3 of the hydraulic cylinder is retracted, and the cylinder body of the hydraulic cylinder is adjusted so that the front end of the first sleeve 91 abuts against the track 20 and the rear end of the third sleeve 93 abuts against the dismounting body 1; the first sleeve 91, the second sleeve 92 and the third sleeve 93 support the hydraulic cylinder so that the piston rod 3 of the hydraulic cylinder is retracted to completely extract the track shaft 19.

[0041] In summary, the utility model discloses connecting pipe 4 is used for fixing together with the piston rod 3 of hydraulic cylinder and track shaft 19, when retracting and drawing track shaft 19, telescopic pipe 9 is supported between dismounting body 1 and track 20, thereby limiting the cylinder position of hydraulic cylinder, only needs manual auxiliary steady hydraulic cylinder, and the piston rod 3 of hydraulic cylinder can force and draw out track shaft 19 from track 20, the device can assist manual dismounting track shaft 19, reduces manual labor intensity, greatly improves the dismounting efficiency of track shaft 19, and improves the safety of manual operation, guarantees the personal safety of operator.

[0042] The above embodiment only illustrates the principle and effect of the utility model, and is not used to limit the utility model. Any person skilled in the art can modify or change the above embodiment without departing from the spirit and scope of the utility model. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the utility model should be covered by the claims of the utility model.

Claims

1. A dismounting device for dismounting a track shaft, characterized in that: The dismounting body (1) and the pull-out driving element (2) fixed in the dismounting body (1) are included; A connecting pipe (4) is detachably installed on the action end of the pull-out driving element (2) and is screwed with the track shaft (19); A telescopic pipe (9) with adjustable length is sleeved on the action end of the pull-out driving element (2), and the telescopic pipe (9) abuts between the dismounting body (1) and the track (20).

2. A disassembly device for disassembling a track shaft according to claim 1, characterized in that: The pull-out driving element (2) is a hydraulic cylinder, and a first pin hole is formed in the piston rod (3) of the hydraulic cylinder; One end of the connecting pipe (4) is provided with a second pin hole (7), the piston rod (3) is inserted into the connecting pipe (4), and when the first pin hole and the second pin hole (7) are oppositely arranged, the first pin hole and the second pin hole (7) are inserted with a first pin shaft (6) for fixing the piston rod (3) and the connecting pipe (4) together.

3. A disassembly device for disassembling a track shaft according to claim 2, characterized in that: An inner thread (8) is arranged on the inner wall of the other end of the connecting pipe (4) and is screwed with the track shaft (19).

4. The disassembly device for disassembling a track shaft according to claim 1, characterized in that: The telescopic pipe (9) includes a plurality of sleeves with different diameters; When the telescopic pipe (9) is contracted, a large-diameter sleeve is sleeved on a small-diameter sleeve; When the telescopic pipe (9) is elongated, two adjacent sleeves are connected end to end and fixed together by a second pin shaft (17).

5. A disassembly device for disassembling a track shaft according to claim 4, characterized in that: The telescopic pipe (9) includes a first sleeve (91), a second sleeve (92), and a third sleeve (93); The rear end of the first sleeve (91) is provided with a first rear pin hole (13); The second sleeve (92) is provided with a second front pin hole (14) and a second rear pin hole (15) at both ends, respectively; The front end of the third sleeve (93) is provided with a third front pin hole (16); When the telescopic pipe (9) is contracted, the third sleeve (93) is sleeved on the second sleeve (92), and the second sleeve (92) is sleeved on the first sleeve (91); When the telescopic pipe (9) is elongated, the first rear pin hole (13) and the second front pin hole (14) are oppositely arranged, the second rear pin hole (15) and the third front pin hole (16) are oppositely arranged, and the first rear pin hole (13) and the second front pin hole (14), the second rear pin hole (15) and the third front pin hole (16) are all inserted with a second pin shaft (17).

6. A disassembly device for disassembling a track shaft according to claim 1, characterized in that: The dismounting body (1) is hingedly provided with a handle (18).

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