CN217225396U

CN217225396U - Crawler belt plate quick replacement device for crawler crane

Info

Publication number: CN217225396U
Application number: CN202220126512.2U
Authority: CN
Inventors: 陈娟; 陈晓庆
Original assignee: Zaozhuang Haotian Machinery Manufacturing Co ltd
Current assignee: Zaozhuang Haotian Machinery Manufacturing Co ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-08-19
Anticipated expiration: 2032-01-18

Abstract

The utility model discloses a crawler crane grip-pad quick replacement device, including placing the board, one side sliding connection who places the board has the slide, the bottom of slide is provided with the locating lever, the bottom of locating lever is fixed taut has first threaded rod, the surface threaded connection of first threaded rod has first nut, the top of placing the board is provided with taut fixing device. The utility model discloses in, insert the spacing hole of grip-pad with the first threaded rod of locating lever bottom, it is fixed with locating lever and track through first nut, put into the top of placing the board with taut board, make the dead lever insert in the recess, through the fixed back of second nut, drive the rotation gear through rotating the dwang and rotate, the rotation through rotation gear drives first rack and rotates with the second rack, it is taut with the track, later rotate the second threaded rod, make second threaded rod and fixed plate contact, prevent that the fixed plate from removing, can change not equidimension grip-pad.

Description

Crawler belt plate quick replacement device for crawler crane

Technical Field

The utility model relates to a mechanical maintenance technical field especially relates to a crawler crane grip-pad quick replacement device.

Background

The crawler crane is commonly known as a crawler crane, and is a full-rotation movable arm frame crane with a crawler traveling device, and is also a crane with a lower chassis which is a crawler traveling mechanism, the crane travels by means of the crawler, generally, the crawler crane can be divided into crawler traveling, rotating chassis, lifting and amplitude changing functions according to an operation structure, the crawler crane has good field operation performance, dangerous factors which exceed an automobile crane and influence the main safety of the automobile crane are stability of a foundation, whether overload or sudden wind gust occurs and the like, the safety device of the automobile crane is required to be provided with a torque limiter, a weight limiter, a lifting hook height or depth limiter and the like, and meanwhile, the replacement of a damaged crawler plate in time in the use process is also of great importance.

In the prior art, the creeper tread quick replacement device can only replace creeper treads with fixed sizes, and the creeper tread quick replacement device with the changeable distance is quite unstable and easy to slide in use, so that the replacement of the creeper treads is influenced.

Disclosure of Invention

The utility model aims at solving the device and only changing the grip-pad of fixed size, the change device that can change the distance is very unstable again, slides easily and influences the shortcoming of the change of grip-pad, and a crawler crane grip-pad quick replacement device that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a crawler crane grip-pad quick replacement device, is including placing the board, one side sliding connection who places the board has the slide, the bottom of slide is provided with the locating lever, the fixed straining in bottom of locating lever has first threaded rod, the surface threaded connection of first threaded rod has first nut, the top of placing the board is provided with taut fixing device, taut fixing device includes taut board, the top of taut board is rotated and is connected with the rotating gear, the surface meshing of rotating gear is connected with first rack, the surface of stating rotating gear keeps away from one side meshing of first rack and is connected with the second rack, one side fixedly connected with fixed plate of second rack and first rack, the surface of fixed plate is provided with the recess, the both sides of taut board are provided with the second threaded rod.

Furthermore, the bottom of the outer surface of the fixed rod is fixedly connected with a heightening plate.

Furthermore, the top of the rotating gear is fixedly connected with a rotating rod.

Further, a second nut is arranged on the outer surface of the fixing rod.

Further, the outer surface of the tensioning plate is provided with a sliding groove.

Furthermore, one end of the second threaded rod is provided with a hexagonal groove.

Furthermore, a plurality of limiting holes are formed in the track shoe.

The utility model has the advantages that:

1. the utility model discloses when using, this crawler crane grip-pad quick replacement device, insert the spacing hole of grip-pad with the first threaded rod of locating lever bottom, it is fixed with locating lever and track through first nut, put into the top of placing the board with taut board, make the dead lever insert in the recess, after fixed through the second nut, drive the turning gear through rotating the dwang and rotate, rotation through turning gear drives first rack and second rack and rotates, it is taut with the track, later, rotate the second threaded rod, make second threaded rod and fixed plate contact, prevent that the fixed plate from removing, can change not equidimension grip-pad.

2. The utility model discloses when using, this crawler crane grip-pad quick replacement device can be earlier with placing back on the grip-pad is installed to board and slide, rotates two second threaded rods, has adjusted the distance back of two fixed plates, through the taut grip-pad of external machine, directly installs taut board again and places the board on, carries out quick installation change.

Drawings

FIG. 1 is a schematic view of the connection between the placement board and the sliding board of the present invention;

FIG. 2 is a schematic view of the connection between the placing plate and the track shoe of the present invention;

FIG. 3 is a schematic view of the connection between the placement board and the positioning rod of the present invention;

fig. 4 is a top view of the tightening fixture of the present invention.

Illustration of the drawings:

1. placing the plate; 2. positioning a rod; 3. fixing the rod; 4. a slide plate; 5. a first threaded rod; 6. a first nut; 7. a second nut; 8. a rotating gear; 9. a first rack; 10. a second rack; 11. a fixing plate; 12. a groove; 13. a second threaded rod; 14. rotating the rod; 15. tensioning the plate; 16. a step-up plate; 17. a chute; 18. a limiting hole; 19. a track shoe.

Detailed Description

Fig. 1 to fig. 3 show, relate to a crawler crane grip-pad quick replacement device, including placing board 1, one side sliding connection who places board 1 has slide 4, it is taut with grip-pad 19 through the length that changes slide 4 and place board 1 connecting piece, the bottom of slide 4 is provided with locating lever 2, the bottom of locating lever 2 is fixed taut has first threaded rod 5, it is fixed with grip-pad 19 with locating lever 2, the surface threaded connection of first threaded rod 5 has first nut 6, it is fixed with grip-pad 19 with locating lever 2, the top of placing board 1 is provided with taut fixing device.

Fig. 4 shows, relate to a quick replacement device of crawler belt board of crawler belt crane, including taut board 15, the top of taut board 15 is rotated and is connected with rotating gear 8, it moves to drive first rack 9 and second rack 10 through rotating gear 8's rotation, the surface meshing of rotating gear 8 is connected with first rack 9, the surface of stating rotating gear 8 keeps away from one side meshing of first rack 9 and is connected with second rack 10, one side fixedly connected with fixed plate 11 of second rack 10 and first rack 9, the removal through fixed plate 11 stimulates dead lever 3 to move, the surface of fixed plate 11 is provided with recess 12, the both sides of taut board 15 are provided with second threaded rod 13, make second threaded rod 13 support fixed plate 11 through rotating second threaded rod 13 and prevent that fixed plate 11 from sliding.

In the crawler crane creeper tread quick replacement device, a first threaded rod 5 at the bottom of a positioning rod 2 is inserted into a limiting hole 18 of a creeper tread 19, the positioning rod 2 and the creeper tread 19 are fixed through a first nut 6, a tensioning plate 15 is placed on the top of a placing plate 1, a fixing rod 3 is inserted into a groove 12, after the fixing through a second nut 7, a rotating gear 8 is driven to rotate through a rotating rod 14, a first rack 9 and a second rack 10 are driven to rotate through the rotation of the rotating gear 8, a crawler is tensioned, then a second threaded rod 13 is rotated to contact the fixing plate 11 to prevent the fixing plate 11 from moving, then the damaged creeper tread 19 is taken out through a tool, a new creeper tread 19 is installed, after the placing plate 1 and a sliding plate 4 are installed on the creeper tread 19, two second threaded rods 13 are rotated, the distance between the two fixing plates 11 is adjusted, the quick mounting is carried out by tightening the shoe 19 by means of an external machine and then directly mounting the tightening plate 15 on the placing plate 1.

In a further scheme, a heightening plate 16 is fixedly connected to the bottom of the outer surface of the fixing rod 3, so as to raise the height of the tensioning plate 15.

In a further scheme, the top of the rotating gear 8 is fixedly connected with a rotating rod 14, and the rotating gear 8 is driven to rotate by rotating the rotating rod 14.

In a further scheme, a second nut 7 is arranged on the outer surface of the fixing rod 3 to fix the fixing rod 3 and the fixing plate 11.

In a further scheme, the outer surface of the tensioning plate 15 is provided with a sliding groove 17, so that the fixing rod 3 is convenient to move.

In a further scheme, one end of the second threaded rod 13 is provided with a hexagonal groove, so that the second threaded rod 13 can be conveniently rotated.

In a further scheme, a plurality of limiting holes 18 are formed in the track shoe 19, and the positioning rod 2 is convenient to mount.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a crawler crane grip-pad quick replacement device, is including placing board (1), its characterized in that: one side of the placing plate (1) is connected with a sliding plate (4) in a sliding mode, the bottom of the sliding plate (4) is provided with a positioning rod (2), the bottom of the positioning rod (2) is fixedly tensioned with a first threaded rod (5), the outer surface of the first threaded rod (5) is connected with a first nut (6) in a threaded mode, a track shoe (19) is arranged below the placing plate (1), and the top of the placing plate (1) is provided with a tensioning and fixing device;

the tensioning and fixing device comprises a tensioning plate (15), wherein the top of the tensioning plate (15) is rotatably connected with a rotating gear (8), the outer surface of the rotating gear (8) is meshed with a first rack (9), one side, away from the first rack (9), of the outer surface of the rotating gear (8) is meshed with a second rack (10), the second rack (10) is fixedly connected with a fixing plate (11) on one side of the first rack (9), the outer surface of the fixing plate (11) is provided with a groove (12), and the two sides of the tensioning plate (15) are provided with second threaded rods (13).

2. The crawler track shoe quick-change device according to claim 1, wherein: the bottom of the outer surface of the fixed rod (3) is fixedly connected with a heightening plate (16).

3. The crawler crane shoe quick-change device of claim 1, wherein: the top of the rotating gear (8) is fixedly connected with a rotating rod (14).

4. The crawler track shoe quick-change device according to claim 2, wherein: and a second nut (7) is arranged on the outer surface of the fixing rod (3).

5. The crawler track shoe quick-change device according to claim 1, wherein: the outer surface of the tensioning plate (15) is provided with a sliding groove (17).

6. The crawler track shoe quick-change device according to claim 1, wherein: and one end of the second threaded rod (13) is provided with a hexagonal groove.

7. The crawler track shoe quick-change device according to claim 1, wherein: a plurality of limiting holes (18) are formed in the track shoe (19).