CN215285052U - Quick erection equipment of track - Google Patents

Abstract

The utility model discloses a quick erection equipment of track uses in track installation technical field, has solved the technical problem that the track installation is hard to waste time and is not convenient, and its technical scheme main points are: the clamping assembly comprises an inner clamping jaw and an outer clamping jaw which are arranged in a relative sliding mode, an inner sliding barrel connected with the inner clamping jaw and an outer sliding barrel connected with the outer clamping jaw, and the inner sliding barrel is inserted into the outer sliding barrel and is in sliding fit with the outer sliding barrel; the driving assembly is used for driving the inner clamping jaw and the outer clamping jaw to approach each other and driving the inner clamping jaw and the outer clamping jaw to move away from each other; the outer sliding barrel is detachably connected with a driving rod, the driving rod extends into the inner sliding barrel, and one end of the driving rod, which extends into the inner sliding barrel, is provided with a driving piston in sliding fit with the inner sliding barrel; the technical effect that has is that equipment portable, and installation track labour saving and time saving is efficient accurate moreover.

Description

Quick erection equipment of track

Technical Field

The utility model relates to a track installation field, in particular to quick erection equipment of track.

Background

The crawler belt is usually used on equipment suitable for complex terrains such as tanks, excavators or tractors, and the firm, reliable and stable installation of the crawler belt directly relates to the stable use of the equipment.

The tracks are of various types, and most of the tracks are generally composed of track plates 35 and pin shafts 37; referring to fig. 1, the crawler track is a relatively common crawler track, and includes track shoes 35, a connecting member 36 and a pin 37, where the connecting member 36 is used to connect two adjacent track shoes 35, the pin 37 is used to penetrate through the connecting member 36 and the track shoes 35, so as to connect the track shoes 35 with the connecting member 36, a connecting through hole 39 is provided between two pin holes 40 on the connecting member 36, the connecting through hole 39 is provided to communicate with both the two pin holes 40, and the connecting member 36 is provided with a locking bolt 38; a locking bolt 38 is disposed through the connecting member 36, and the locking bolt 38 is threadedly engaged with one side of the connecting through hole 39, so that tightening the locking bolt 38 can clamp the connecting member 36 to the pin 37 more firmly.

The conventional crawler belt is usually installed in a workshop by adopting large-scale equipment, and under the condition that no equipment exists, the pin shaft is usually hammered down or hammered in by manpower by using a hammer; adopt the large-scale equipment installation limitation great, damage often to be difficult to install the maintenance in the open air, the mode of manpower is difficult to the mastery dynamics, causes the unreliable of track installation easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a quick erection equipment of track, its advantage is portable, installs track labour saving and time saving moreover, and is high-efficient accurate.

The above technical purpose of the present invention can be achieved by the following technical solutions: a device for quickly installing a crawler belt,

comprises a clamping component which is used for clamping the workpiece,

the clamping assembly comprises an inner clamping jaw and an outer clamping jaw which are arranged in a relative sliding mode, an inner sliding barrel connected with the inner clamping jaw and an outer sliding barrel connected with the outer clamping jaw, and the inner sliding barrel is inserted into the outer sliding barrel and is in sliding fit with the outer sliding barrel;

the clamping device also comprises a driving assembly for driving the inner clamping jaw and the outer clamping jaw to approach each other, and a resetting piece for driving the inner clamping jaw and the outer clamping jaw to move away from each other;

the outer sliding barrel is detachably connected with a driving rod, the driving rod extends into the inner sliding barrel, and a driving piston matched with the inner sliding barrel in a sliding mode is arranged at one end, extending into the inner sliding barrel, of the driving rod.

Through the technical scheme, the inner sliding barrel is matched with the outer sliding barrel, so that the inner clamping jaw and the outer clamping jaw can stably slide close to or away from each other; the driving assembly is used for driving the inner clamping jaw and the outer clamping jaw to mutually approach and slide, so that the connecting piece and the pin shaft are conveniently fastened together by the inner clamping jaw and the outer clamping jaw; the reset piece is used for driving the inner clamping jaw and the outer clamping jaw to slide away from each other so that the inner clamping jaw and the outer clamping jaw can be separated from the connecting piece, and the inner clamping jaw can be quickly connected with another connecting piece after one connecting piece is installed; the actuating lever is used for installing the drive piston, and the drive piston can slide in the drive download of drive power in the section of thick bamboo that slides, also can be through making the drive piston remove, drives the motion that interior clamping jaw and outer clamping jaw are close to each other or keep away from, and then can be more convenient erection joint spare. And the volumes of the inner clamping jaw, the outer clamping jaw, the inner sliding barrel and the outer sliding barrel are all equal to the volume of the track plate, so that the crawler belt can be installed in a workshop in a time-saving and labor-saving manner.

The utility model discloses further set up to: one end of the inner clamping jaw, which is far away from the inner sliding barrel, and one end of the outer clamping jaw, which is far away from the outer sliding barrel, are both provided with clamping parts, and one sides, opposite to the clamping parts, of the clamping parts are provided with clamping grooves.

Through above-mentioned technical scheme, the connecting piece can be gone into to press from both sides in the tight groove of clamp for the clamping part can be more stable grab the centre gripping connecting piece, including when clamping jaw and outer clamping jaw are close to each other and slide, the connecting piece is difficult for breaking away from out from pressing from both sides the tight groove of clamp, thereby can be more stable with the connecting piece together with round pin hub mounting.

The utility model discloses further set up to: the clamping groove is an arc groove; and a plurality of clamping teeth are arranged in the clamping groove.

Through above-mentioned technical scheme, be formed with the recess between the adjacent screens tooth, the edge of connecting piece can insert in the recess for the connecting piece is lived to the centre gripping that the clamping part can be more stable, and then the round pin epaxial is installed to connecting piece that makes can be more stable.

The utility model discloses further set up to: a reinforcing ring is arranged on the outer sliding barrel, and one side of the reinforcing ring is abutted to the outer clamping jaw;

and an avoiding groove for the inner clamping claw to pass through is formed in the outer sliding barrel.

Through the technical scheme, the avoiding groove is used for avoiding the inner clamping jaw so that the inner clamping jaw can better slide close to the outer clamping jaw, and the minimum distance between the inner clamping jaw and the outer clamping jaw can be smaller so as to be suitable for a track with smaller width; the reinforcing ring is used for enhancing the integral structural strength of the outer sliding barrel, so that the condition of strength reduction caused by the arrangement of the avoiding groove is better avoided; and the reinforcing ring is abutted to the outer clamping jaw, so that the connection strength of the outer clamping jaw and the outer sliding barrel is better.

The utility model discloses further set up to: the one end that the outer clamping jaw was kept away from to the section of thick bamboo that slides outward is provided with end cover, end cover and actuating lever are kept away from the one end of drive piston and can be dismantled and be connected.

Through the technical scheme, the sealing end cover is used for installing the driving rod, so that the driving rod is more convenient to install, the whole assembly of the equipment is simpler, and the equipment is easier to maintain and has more reliable performance.

The utility model discloses further set up to: an accommodating bin is formed between one side, facing the inner clamping jaw, of the driving piston and the inner sliding barrel, and the resetting piece is compressed nitrogen filled in the accommodating bin;

an inflation hole communicated with the containing bin is formed in the inner sliding barrel, and a high-pressure one-way valve core is arranged in the inflation hole.

Through the technical scheme, the containing bin is used for containing compressed nitrogen, and the compressed nitrogen can generate certain rebound force after being further compressed so as to push the driving piston to move, so that the inner clamping jaw and the outer clamping jaw move towards the direction away from each other; the high-pressure one-way valve core is used for filling gas, so that the gas can be prevented from leaking from the accommodating bin, and the driving piston can be stably driven to slide.

The utility model discloses further set up to: the driving assembly comprises a hydraulic pump and an oil conveying pipe, a hydraulic cabin is formed between one side of the driving piston, which is far away from the inner clamping jaw, and the inner sliding barrel is provided with an oil injection port communicated with the hydraulic cabin;

the oil delivery pipe is communicated with the oil filling port.

Through the technical scheme, the hydraulic bin is used for filling hydraulic oil, and the hydraulic pump is used for driving the hydraulic oil to flow, so that the driving piston can well slide, namely the inner clamping jaw and the outer clamping jaw can be driven to move oppositely; and the hydraulic pressure that the hydraulic pump provided is better controlled for can install the connecting piece reliably and stably.

The utility model discloses further set up to: the clamping components are provided with two groups, the oil conveying pipe is communicated with two oil conveying branch pipes, and the two oil conveying branch pipes are respectively communicated with oil injection ports on the two inner sliding barrels.

Through the technical scheme, the two groups of clamping assemblies can simultaneously mount two pin shaft holes on one connecting piece, so that the connecting piece and the pin shaft are more accurately positioned; and the same hydraulic pump can be adopted to provide power, so that the clamping force generated by the two groups of clamping components is more balanced, and the accuracy and the stability of the installation of the connecting piece and the pin shaft are further improved.

The utility model discloses further set up to: also comprises a bolt tightening device for tightening and loosening the locking bolt,

the bolt tightening and loosening device comprises a mounting seat, a counterforce pin arranged on the mounting seat and a torsion multiplication assembly arranged in the mounting seat;

the torque multiplication assembly comprises an input square groove, an output square tenon and a gear set, and the output square tenon is detachably connected with a screw elastic sleeve;

one end of the screw elastic sleeve is provided with a connecting square groove matched with the output square tenon, and the other end of the screw elastic sleeve is provided with a screwdriver head matched with a lock bolt nut.

According to the technical scheme, the input square groove is used for being matched with the torque wrench, the output square tenon is used for being matched with the screw tightening sleeve, and the gear set is used for changing torque, so that the bolt is tightened in a labor-saving and time-saving mode; the screwdriver head is used for being matched with the bolt, and the detachable screw elastic sleeve enables the bolt which can be better and is suitable for different types.

The utility model discloses further set up to: the outside symmetry of mount pad is provided with two and connects the otic placode, the reaction force round pin is provided with two, and two reaction force round pins set up respectively on two connect the otic placodes.

Through above-mentioned technical scheme, two reaction force round pins can with the both sides butt of connecting piece to better application of force, thereby more stable carry out the tight regulation to the locking bolt.

To sum up, the utility model discloses following beneficial effect has:

1. the driving assembly is used for driving the inner clamping jaw and the outer clamping jaw to mutually approach and slide, so that the connecting piece and the pin shaft are conveniently fastened together by the inner clamping jaw and the outer clamping jaw, and the inner clamping jaw and the outer clamping jaw can be driven by a hydraulic pump so as to more stably and firmly connect the connecting piece in bulk;

2. two sets of clamping components are driven simultaneously by one hydraulic pump, and the pin shafts can be installed simultaneously, so that the connecting piece and the pin shafts are positioned more accurately.

Drawings

FIG. 1 is a schematic structural view of a track;

FIG. 2 is a schematic structural view of a clamping assembly of embodiment 1;

FIG. 3 is a sectional view of the whole of a clamping assembly of embodiment 1;

FIG. 4 is a schematic structural view of the seal end cap and the outer sliding barrel of embodiment 1;

FIG. 5 is a schematic structural view of a drive assembly of embodiment 1;

FIG. 6 is an enlarged schematic view of portion A of FIG. 5;

fig. 7 is a schematic structural view of a bolt tensioner according to embodiment 1;

FIG. 8 is an overall configuration diagram of embodiment 2;

fig. 9 is a schematic structural view of the whole of embodiment 3.

Reference numerals: 1. a clamping assembly; 2. an inner jaw; 3. an outer jaw; 4. an inner slipping cylinder; 5. an outer slipping cylinder; 6. a drive assembly; 8. a drive rod; 9. a drive piston; 10. a clamping portion; 11. a clamping groove; 12. a clamping tooth; 13. a reinforcing ring; 14. an avoidance groove; 15. sealing the end cap; 16. an accommodating bin; 17. an inflation hole; 18. a high pressure one-way valve core; 19. a hydraulic pressure cabin; 20. an oil filling port; 21. an oil delivery branch pipe; 22. a bolt tightening and loosening device; 23. a mounting seat; 24. a reaction force pin; 25. a torque multiplier assembly; 26. inputting the square groove; 27. outputting the square tenon; 29. a screw elastic sleeve; 30. connecting the square groove; 31. a screwdriver head; 32. connecting the ear plates; 33. a hydraulic pump; 34. an oil delivery pipe; 35. a track shoe; 36. a connecting member; 37. a pin shaft; 38. locking the bolt; 39. a connecting through hole; 40. a pin shaft hole; 41. a positioning column; 42. a reinforcing block; 43. disassembling the groove; 44. driving the screw rod; 45. driving the wire sleeve; 46. a connecting plate; 47. driving a hand wheel; 48. a thrust spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1:

referring to fig. 2, a quick crawler mounting device comprises a clamping assembly 1 and a driving assembly 6, wherein the clamping assembly 1 comprises an inner clamping jaw 2 and an outer clamping jaw 3 which are oppositely arranged, and an inner sliding cylinder 4 connected to the inner clamping jaw 2 and an outer sliding cylinder 5 connected to the outer clamping jaw 3, the inner clamping jaw 2 and the outer clamping jaw 3 are both arranged in a plate shape, and four side lines of one side of the inner clamping jaw 2 close to the inner sliding cylinder 4 and one side of the outer clamping jaw 3 close to the outer sliding cylinder 5 are both arranged in a chamfer angle; a gap is formed between the chamfer angle and the inner sliding barrel 4 or the outer sliding barrel 5, solder can be filled in the gap, and the contact area between the chamfer angle and the solder is increased, so that the welding between the inner clamping jaw 2 and the inner sliding barrel 4 and the welding between the outer clamping jaw 3 and the outer sliding barrel 5 are more stable.

Referring to fig. 2, the inner sliding barrel 4 is inserted into the outer sliding barrel 5, and the two are in sliding fit; an avoiding groove 14 for the inner clamping jaw 2 to pass through is formed in the outer sliding barrel 5, and the avoiding groove 14 is arranged in a long strip shape; a reinforcing ring 13 is welded on the outer sliding barrel 5 close to the outer clamping jaw 3, and one side of the reinforcing ring 13 is attached to the outer clamping jaw 3; and a sealing end cover 15 is welded at one end of the outer sliding barrel 5 far away from the outer clamping jaw 3, and an avoiding groove 14 extends from the sealing end cover 15 to one side of the reinforcing ring 13 far away from the outer clamping jaw 3.

Referring to fig. 3, a driving rod 8 is bolted to the sealing end cover 15, the driving rod 8 extends into the inner sliding barrel 4, a driving piston 9 is arranged at one end of the driving rod 8 extending into the inner sliding barrel 4, the driving piston 9 is in sealing sliding fit with the inner sliding barrel 4, and the driving piston 9 may be made of rubber. An insertion hole for inserting the driving rod 8 is formed in the inner sliding barrel 4, and a sealing ring is arranged on the inner wall of the insertion hole; more specifically, the cross-section of sealing washer can be for O type setting, and the outer wall and the laminating of patchhole inner wall of sealing washer set up moreover to better assurance the gas tightness.

Referring to fig. 3, a containing bin 16 is formed between one side of the driving piston 9 facing the inner clamping jaw 2 and the inner sliding barrel 4, a resetting piece for driving the inner clamping jaw 2 and the outer clamping jaw 3 to move away from each other is arranged in the containing bin 16, the resetting piece can adopt compressed nitrogen filled in the containing bin 16, and the compressed nitrogen can push the driving piston 9 to slide towards the direction away from the inner clamping jaw 2, namely, the inner clamping jaw 2 and the outer clamping jaw 3 are driven to move away from each other; the inner sliding barrel 4 is provided with an inflation hole 17 communicated with the accommodating bin 16, and compressed nitrogen can be inflated into the accommodating bin 16 through the inflation hole 17; the high-pressure one-way valve core 18 is arranged in the inflating hole 17, so that compressed nitrogen can be conveniently inflated, and the leakage of the compressed nitrogen can be well avoided.

Referring to fig. 3 and 4, a positioning column 41 is integrally formed on one side of the sealing end cover 15 facing the outward sliding barrel 5, and the positioning column 41 is attached to the inner wall of the outward sliding barrel 5; the outer sliding barrel 5 is also provided with an avoiding groove 14 for the high-pressure one-way valve core 18 to pass through, one side of the sealing end cover 15 facing the outer sliding barrel 5 is integrally formed with two reinforcing blocks 42, the two reinforcing blocks 42 are respectively inserted into the two avoiding grooves 14, and the reinforcing blocks 42 are attached to the inner wall of the avoiding grooves 14.

The inner sliding barrel 4, the outer sliding barrel 5, the inner clamping jaw 2, the outer clamping jaw 3, the driving rod 8 and the sealing end cover 15 are all made of titanium alloy.

Referring to fig. 3 and 5, the driving assembly 6 includes a hydraulic pump 33 and an oil pipe 34, a hydraulic chamber 19 is formed between one side of the driving piston 9 away from the inner clamping jaw 2 and the inner sliding barrel 4, and an oil injection port 20 communicated with the hydraulic chamber 19 is formed at one end of the inner sliding barrel 4 away from the inner clamping jaw 2; the hydraulic pump 33 can adopt a manual portable hydraulic pump 33, one end of the oil delivery pipe 34 is communicated with the hydraulic pump 33, the other end of the oil delivery pipe is communicated with two oil delivery branch pipes 21 through a tee joint, the clamping assembly 1 is provided with two groups, and the two oil delivery branch pipes 21 are respectively communicated with the oil injection ports 20 on the two inner sliding barrels 4.

When in use, the manual portable hydraulic pump 33 is more convenient to carry and can be conveniently used when no large-scale equipment exists, and the pressure of the hydraulic pump 33 is also better controlled, so that the connecting piece 36 can be more conveniently and accurately installed; two sets of clamping components 1 are driven to work simultaneously by adopting one hydraulic pump 33, so that one connecting piece 36 can be installed on two pin shafts 37 simultaneously, two pin shaft holes 40 can be positioned more accurately, and the installation is more accurate and quicker.

Referring to fig. 5 and 6, clamping portions 10 are arranged at one end of the inner clamping jaw 2 away from the inner sliding barrel 4 and one end of the outer clamping jaw 3 away from the outer sliding barrel 5, and clamping grooves 11 are formed in opposite sides of the two clamping portions 10; the clamping groove 11 is an arc groove, the clamping groove 11 is internally provided with a plurality of clamping teeth 12, and the clamping teeth 12 are uniformly arranged along the circumferential inner wall of the arc groove; be formed with the screens groove between the adjacent screens tooth 12, when interior clamping jaw 2 and outer clamping jaw 3 carried out the clamping to connecting piece 36 (refer to fig. 1), the edge of connecting piece 36 can the inlay card in the screens groove for interior clamping jaw 2 and outer clamping jaw 3 can be more firm stable carry out the clamping to connecting piece 36.

Referring to fig. 7, the rapid crawler mounting device further comprises a bolt tightening device 22 for tightening and loosening the locking bolt 38, wherein the bolt tightening device 22 comprises a mounting seat 23, connecting lug plates 32 and two reaction force pins 24 which are symmetrically arranged at two sides of the mounting seat 23, and a torque multiplication assembly 25 arranged in the mounting seat 23; the mounting seat 23 is cylindrical, the two reaction force pins 24 are fixed to the two connecting lugs 32, respectively, and the reaction force pins 24 may be made of a plate-like or rod-like material connected to the mounting lugs.

Referring to fig. 7, the torque multiplier assembly 25 includes an input square groove 26, an output square tongue 27 and a gear set (not shown), the output square tongue 27 is detachably connected with a screw elastic sleeve 29; one end of the screw elastic sleeve 29 is provided with a connecting square groove 30 which is matched with the output square tenon 27, and the other end is provided with a screwdriver head 31 which is matched with a nut of the locking bolt 38; the gear set can adopt a planetary gear set to facilitate torque conversion, so that the situation that the locking bolt 38 is difficult to screw due to insufficient torque of a common torque wrench is well avoided; however, when the locking bolt 38 is tightened with a conventional non-torque wrench, the force may be too great and the wire may slip. The reaction force pins 24 on both sides may abut both sides of the connecting member 36 in use to provide a better force to more stably tighten or loosen the locking bolt 38.

The using process is briefly described as follows: firstly, inserting two pin shafts 37 into two adjacent pin shaft holes 40 of two adjacent track shoes 35 respectively, then placing two connecting pieces 36 on two sides of the track shoes 35 respectively, and aligning the two pin shaft holes 40 on the connecting pieces 36 with the two pin shafts 37 respectively; the inner clamping jaw 2 and the outer clamping jaw 3 in the two groups of clamping assemblies 1 are respectively fastened to the side, away from the track shoe 35, of the connecting piece 36 and correspond to the pin shaft 37, and then the hydraulic pump 33 is used for driving the inner clamping jaw 2 and the outer clamping jaw 3 to be relatively close to each other, so that the two connecting pieces 36 and the pin shaft 37 are fastened together. The locking bolt 38 is then tightened onto the attachment member 36 using the bolt tensioner 22.

Example 2:

referring to fig. 8, a crawler belt quick-mounting device, which is different from embodiment 1 in that a high-pressure check valve 18 can be replaced by a hydraulic oil check valve, a dismounting groove 43 is formed on one back side of an inner clamping jaw 2 and an outer clamping jaw 3, a hydraulic pump 33 can be communicated with the hydraulic oil check valve, and thus the inner clamping jaw 2 and the outer clamping jaw 3 can be driven to slide towards directions far away from each other in a hydraulic mode; so that the connecting member 36 can be easily detached.

Example 3:

referring to fig. 9, a crawler quick-mounting apparatus, which is different from embodiment 1 in that a driving assembly 6 includes a driving screw 44 and a driving screw sleeve 45 threadedly engaged with the driving screw 44, the driving screw sleeve 45 being welded to an outer slipping cylinder 5; a connecting plate 46 is welded on the inner sliding sleeve, a driving screw rod 44 is rotatably connected with the connecting plate 46 through a bearing, and a driving hand wheel 47 is connected on the driving screw rod 44; the reset piece can be a thrust spring 48, and two ends of the thrust spring 48 are respectively abutted against the end walls of the driving piston 9 and the accommodating bin 16; the insertion hole wall is provided with spline grooves, and the outer wall of the drive lever 8 is provided with splines that fit with the spline grooves so as to guide the sliding of the inner sliding barrel 4 and the outer sliding barrel 5.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (10)

1. A device for quickly installing a crawler belt,

characterized in that the device comprises a clamping component (1),

the clamping assembly (1) comprises an inner clamping jaw (2) and an outer clamping jaw (3) which are arranged in a relative sliding mode, an inner sliding barrel (4) connected with the inner clamping jaw (2) and an outer sliding barrel (5) connected with the outer clamping jaw (3), the inner sliding barrel (4) is inserted into the outer sliding barrel (5) and is matched with the outer sliding barrel in a sliding mode;

the clamping device also comprises a driving assembly (6) for driving the inner clamping jaw (2) and the outer clamping jaw (3) to be close to each other and a resetting piece for driving the inner clamping jaw (2) and the outer clamping jaw (3) to be away from each other;

can dismantle on outer sliding barrel (5) and be connected with actuating lever (8), actuating lever (8) stretch into in sliding barrel (4), the one end that actuating lever (8) stretch into in sliding barrel (4) is provided with and slides complex drive piston (9) with interior sliding barrel (4).

2. The track quick-mounting device according to claim 1, characterized in that one end of the inner clamping jaw (2) far away from the inner sliding barrel (4) and one end of the outer clamping jaw (3) far away from the outer sliding barrel (5) are both provided with clamping parts (10), and one sides of the two clamping parts (10) opposite to each other are provided with clamping grooves (11).

3. Track quick-mounting device according to claim 2, characterized in that said clamping groove (11) is a circular arc groove; a plurality of clamping teeth (12) are arranged in the clamping groove (11).

4. The track quick-mounting device according to claim 1, characterized in that a reinforcing ring (13) is arranged on the outer sliding cylinder (5), one side of the reinforcing ring (13) is abutted to the outer clamping jaw (3);

an avoiding groove (14) for the inner clamping jaw (2) to pass through is formed in the outer sliding barrel (5).

5. Track quick-mounting device according to claim 1, characterized in that the end of the outer sliding cylinder (5) remote from the outer clamping jaw (3) is provided with a sealing end cap (15), said sealing end cap (15) being removably connected to the end of the driving rod (8) remote from the driving piston (9).

6. The track quick-mounting device according to claim 1, characterized in that a containing bin (16) is formed between one side of the driving piston (9) facing the inner clamping jaw (2) and the inner sliding cylinder (4), and the resetting piece is compressed nitrogen filled in the containing bin (16);

an inflation hole (17) communicated with the containing bin (16) is formed in the inner sliding barrel (4), and a high-pressure one-way valve core (18) is arranged in the inflation hole (17).

7. The track quick-mounting device according to claim 1, characterized in that the driving assembly (6) comprises a hydraulic pump (33) and an oil delivery pipe (34), a hydraulic chamber (19) is formed between one side of the driving piston (9) far away from the inner clamping jaw (2) and the inner sliding barrel (4), and an oil filling opening (20) communicated with the hydraulic chamber (19) is formed in the inner sliding barrel (4);

the oil delivery pipe (34) is communicated with the oil filling opening (20).

8. The rapid crawler mounting device according to any one of claims 1 to 7, wherein the clamping assemblies (1) are provided in two groups, the oil delivery pipe (34) is communicated with two oil delivery branch pipes (21), and the two oil delivery branch pipes (21) are respectively communicated with the oil injection ports (20) on the two inner sliding barrels (4).

9. Track quick-mounting apparatus according to claim 1,

also comprises a bolt tightening device (22) for tightening and loosening the locking bolt,

the bolt tightening and loosening device (22) comprises a mounting seat (23), a reaction force pin (24) arranged on the mounting seat (23), and a torsion multiplication assembly (25) arranged in the mounting seat (23);

the torque multiplication assembly (25) comprises an input square groove (26), an output square tenon (27) and a gear set (28), and the output square tenon (27) is detachably connected with a screw tightening sleeve (29);

one end of the screw elastic sleeve (29) is provided with a connecting square groove (30) matched with the output square tenon (27), and the other end of the screw elastic sleeve is provided with a screwdriver head (31) matched with a lock bolt and a screw cap.

10. Track quick-mounting device according to claim 9, characterized in that the outer side of said mounting seat (23) is symmetrically provided with two connecting lugs (32), said reaction pins (24) are provided with two, the two reaction pins (24) being respectively provided on the two connecting lugs (32).

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