CN214780315U

CN214780315U - Crawler crane

Info

Publication number: CN214780315U
Application number: CN202120254067.3U
Authority: CN
Inventors: 郑鼎; 陈富利
Original assignee: Shanghai Xinggeng Foundation Engineering Co ltd
Current assignee: Shanghai Xinggeng Foundation Engineering Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-11-19
Anticipated expiration: 2031-01-29

Abstract

The utility model relates to a crawler crane, include the automobile body and connect davit on the automobile body, but set up the rolling on the davit and the steel wire that unreels, the steel wire bottom is provided with the couple that is used for hoisting the heavy object, the end connection that the organism was kept away from to the davit has the confession the shock attenuation platform that the steel wire passed, the vertical running through of having seted up of shock attenuation bench up end the shock attenuation groove of shock attenuation platform, the shock attenuation inslot cunning is slided and is provided with the butt roller that is used for supporting two mutual parallels of tight steel wire, be provided with in the shock attenuation platform and make two the butt roller presss from both sides tightly the damper of steel wire. The steel wire passes between two butt joint rollers, and the couple of steel wire lower extreme is used for hoisting the heavy object, at the in-process of transporting the heavy object, retrains through damper to the rocking of steel wire in vertical direction. This application has the possibility that reduces crane hoist and mount heavy object in-process steel wire and acutely rocks.

Description

Crawler crane

Technical Field

The application relates to the field of cranes, in particular to a crawler crane.

Background

The crane is a lifting and carrying machine suitable for ports, workshops, construction sites and the like, and is used for lifting equipment, rescuing, lifting, machinery and rescuing. The crane has the advantages of large lifting capacity, capability of lifting and walking by weight and strong lifting capacity.

Chinese patent publication No. CN201099589 discloses a crawler crane, which includes a crawler body, and a telescopic boom is mounted at the front end of the crawler body. The telescopic suspension arm is a five-section telescopic suspension arm. The telescopic suspension arm is arranged at the front section of the vehicle body, so that the working radius of the suspension arm is effectively increased, the rear section of the crawler crane is provided with the balance weight, and the area of the crawler crane contacting the ground is larger than that of an automobile tire, so that the stability maintaining capability of the crawler crane is stronger than that of a truck crane, the crawler crane can freely walk when hanging articles, and the working range of the crawler crane is enlarged.

In view of the above-mentioned related art, the inventor believes that the crane lifts a heavy object, and during the transferring process, the heavy object can be severely shaken in the vertical direction due to the inertia, and the heavy object can be easily separated from the suspension arm during the shaking process, which causes danger.

SUMMERY OF THE UTILITY MODEL

In order to reduce the possibility of violent shaking in the heavy object hoisting process, the crawler crane is provided.

The application provides a crawler crane adopts following technical scheme:

the utility model provides a crawler crane, includes the automobile body and connects davit on the automobile body, set up the steel wire that can roll and unreel on the davit, the steel wire bottom is provided with the couple that is used for hoisting the heavy object, the end connection that the organism was kept away from to the davit has the confession the shock attenuation platform that the steel wire passed, the vertical running through of having seted up of shock attenuation bench up end the shock attenuation groove of shock attenuation platform, the shock attenuation inslot cunning is slided and is provided with the two butt rollers that are parallel to each other that are used for supporting tight steel wire, be provided with in the shock attenuation platform and make two the butt roller presss from both sides tightly the damper of steel wire.

Through adopting above-mentioned technical scheme, passing between two butt rollers of steel wire, making the butt roller support tightly at the outer wall of steel wire under damper's effect, the heavy object hoist and mount that will shift are on the couple, at the in-process that shifts, the butt roller supports tight steel wire, and when the steel wire appears rocking in vertical side, the steel wire drives the butt roller swing, under damper's effect, reduces the range that the steel wire rocked.

Optionally, the inner wall level of the two opposite sides of the damping groove is provided with a sliding groove, the rotating shafts at the two ends of the abutting roller are rotatably connected with sliding blocks, and the sliding blocks are clamped and connected in the sliding grooves in a sliding mode.

Through adopting above-mentioned technical scheme, the joint that slides of sliding block has restricted the direction of motion of sliding block in the groove that slides, makes the sliding block of same inslot that slides move towards the direction that is close to each other or keeps away from each other to drive the butt roller and support tightly at the steel wire outer wall.

Optionally, the damping table upper surface is vertical set up with the mounting groove of sliding block one-to-one, damper is including installing just be on a parallel with in the mounting groove the surge drum in sliding groove, wear to be equipped with in the surge drum run through to in sliding groove and with sliding block fixed connection's shock-absorbing rod, the level is provided with the shock-absorbing spring that promotes the same sliding groove internal slip piece phase motion in the surge drum.

Through adopting above-mentioned technical scheme, under damping spring's effect, promote two sliding blocks and move in opposite directions, make the butt roller support tightly at the steel wire outer wall, when the steel wire appears rocking, the power of using on the butt roller changes, under vibrating spring's effect, promotes the steel wire and moves towards the opposite direction of rotation, and then plays the effect of shock attenuation and buffering for reduce the range that the steel wire rocked.

Optionally, the shock-absorbing rod is located the end fixing of damper cylinder has a spacing dish, damper cylinder tip threaded connection has and prevents the spacing dish breaks away from the spacing end cover of damper cylinder, the shock-absorbing rod run through spacing end cover and with spacing end cover sliding connection.

Through adopting above-mentioned technical scheme, spacing dish is located the damper cylinder, and the setting of spacing end cover prevents that spacing dish from breaking away from the damper cylinder, and damper of being convenient for dismantles after getting off, damper's depositing.

Optionally, the mounting groove is far away from the inside wall of shock attenuation pole is vertical to be seted up the joint groove that the cross section is "T" shape, the shock attenuation section of thick bamboo tip is fixed with the joint that slides and is in the shock attenuation section of thick bamboo and the joint piece that the cross section is "T" shape.

Through adopting above-mentioned technical scheme, the joint piece joint that slides is at the joint inslot, prevents that the damper cylinder from rotating or appearing rocking at the mounting groove, increases overall structure's stability.

Optionally, a connecting groove is horizontally formed in the sliding block, the damping rod penetrates through the connecting groove, an insertion groove vertically communicated with the connecting groove is horizontally formed in the side wall of the sliding block, an insertion hole opposite to the insertion groove is formed in the damping rod, an insertion rod is penetrated through the insertion groove, and an insertion spring which is inserted into the insertion hole is pulled by the insertion rod.

Through adopting above-mentioned technical scheme, insert the shock attenuation pole in the spread groove, under the effect of grafting spring, make the grafting pole insert in the spliced eye, and then realize the connection of grafting pole on the sliding block, be convenient for with the installation of shock attenuation pole on the sliding block with dismantling.

Optionally, the tip that the automobile body was kept away from to the davit rotates and is connected with two lift cylinders that are vertical setting, lift cylinder connecting rod lower extreme fixed connection be in the shock attenuation platform up end, rotate on the davit be connected with lift cylinder one-to-one and the rotation cylinder that is parallel to each other, rotation cylinder one end articulates on the davit, the other end articulates on the cylinder body of lift cylinder, and promote lift cylinder drives the shock attenuation platform rotates in vertical direction.

Through adopting above-mentioned technical scheme, the lift cylinder starts, drives the cushion cap and moves in vertical direction, makes to support tight roller for rolling on the steel wire, plays certain limiting displacement to the steel wire that rocks, reduces the range that the steel wire rocked, and the inclination of cushion cap in vertical direction can be adjusted in the setting of revolving cylinder to satisfy the demand of different work condition.

Optionally, two of the abutting rollers are provided with limiting grooves surrounding the abutting rollers, the steel wire penetrates through the limiting grooves, and rubber pads with the same shape as the outer walls of the abutting rollers are fixed on the outer walls of the abutting rollers.

Through adopting above-mentioned technical scheme, the steel wire passes from between two spacing grooves, reduces the steel wire along the possibility of butt roller axis direction motion, and the rubber pad reduces the steel wire amplitude of rocking to its certain cushioning effect of steel wire.

In summary, the present application includes at least one of the following beneficial technical effects:

the steel wire penetrates through the limiting grooves, and the abutting roller pushes the steel wire to move towards the opposite direction of the shaking of the steel wire under the action of the damping spring in the transferring process of the weight, so that certain buffering and damping effects are exerted on the steel wire;

the shock absorption rod is inserted into the connecting groove, and the inserting rod is inserted into the inserting hole under the action of the inserting spring, so that the shock absorption rod and the sliding block can be conveniently installed.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

FIG. 2 is a schematic view of the overall structure of the interior of the damping table according to the embodiment of the present application.

Fig. 3 is a schematic view of a connection structure of a damping mechanism according to an embodiment of the present application.

Description of reference numerals: 1. a vehicle body; 2. a suspension arm; 3. a steel wire; 4. hooking; 5. a lifting cylinder; 6. rotating the cylinder; 7. a damping table; 8. a damping groove; 9. a sliding groove; 10. an abutment roller; 11. a sliding block; 12. a limiting groove; 13. a rubber pad; 14. mounting grooves; 15. a damper cylinder; 16. a clamping groove; 17. a clamping block; 18. a shock-absorbing lever; 19. a damping spring; 20. a limiting disc; 21. a limiting end cover; 22. connecting grooves; 23. inserting grooves; 24. inserting holes; 25. inserting a spring; 26. a plug rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses crawler crane. Referring to fig. 1, the crawler crane comprises a crane body 1 and a boom 2 connected to the crane body 1 and having a supporting function, wherein a steel wire 3 capable of being rolled and unreeled is arranged on the boom 2, and a hook 4 for hoisting a heavy object is welded at the bottom of the steel wire 3.

Referring to fig. 1 and 2, the end of the boom 2 far from the machine body is hinged with a lifting cylinder 5 which is parallel to each other and can rotate in the vertical reverse direction, the cylinder body of the lifting cylinder 5 is hinged on the boom 2, the end of the connecting rod is fixed with a damping table 7, the boom 2 is provided with a rotating cylinder 6 which is corresponding to the lifting cylinder 5 one by one and is parallel to each other, the cylinder body of the rotating cylinder 6 is hinged on the boom 2, and the end of the connecting rod is hinged on the side wall of the cylinder body of the lifting cylinder 5 and can push the lifting cylinder 5 to rotate in the vertical direction.

Referring to fig. 1 and 2, a damping groove 8 penetrating through the damping table 7 is formed in the surface of the damping table 7 connected with the lifting cylinder 5 along the direction parallel to the connecting rod of the lifting cylinder 5, a sliding groove 9 perpendicular to the damping groove 8 is formed in the side wall opposite to the damping groove 8, two parallel abutting rollers 10 are arranged in the sliding groove 9, the abutting rollers 10 are perpendicularly connected with the two sliding grooves 9, sliding blocks 11 are arranged at the two ends of the abutting rollers 10, the abutting rollers 10 are rotatably connected to the sliding blocks 11 through rotating shafts, and the sliding blocks 11 are slidably connected in the corresponding sliding grooves 9.

Referring to fig. 1 to 3, the outer walls of both the abutment rollers 10 are provided with a stopper groove 12 coaxial with the abutment roller 10, a rubber pad 13 having the same shape as the outer wall of the abutment roller 10 is bonded to the outer wall of the abutment roller 10, and the steel wire 3 passes through between the stopper grooves 12 and abuts against the rubber pad 13. A damping mechanism which enables the two abutting rollers 10 to move oppositely and enables the steel wire 3 to abut against the limiting groove 12 is arranged in the damping table 7.

Referring to fig. 2 and 3, four mounting grooves 14 corresponding to the sliding blocks 11 one by one are formed on the end surface of the damping table 7 connected to the lifting cylinder 5, the mounting grooves 14 are respectively located on the extension lines of the sliding grooves 9, the damping mechanism comprises a damping cylinder 15 mounted in the mounting groove 14, the axis of the damping cylinder 15 is parallel to the sliding grooves 9 and located in the sliding grooves 9, a clamping groove 16 with a T-shaped cross section is formed in the inner side wall of the mounting groove 14 away from the damping rod 18 along the direction parallel to the connecting rod of the lifting cylinder 5, a clamping block 17 with a T-shaped cross section and slidably clamped in the damping cylinder 15 is fixed at the end of the damping cylinder 15, the damping rod 18 penetrates through the sliding grooves 9 and is fixedly connected with the sliding blocks 11, a damping spring 19 is arranged in the damping cylinder 15, and a limiting disc 20 coaxial with the damping rod 18 is integrally formed at the end of the damping rod 18 away from the sliding blocks 11, the outer wall of the limiting disc 20 abuts against the inner wall of the shock absorption barrel 15 and can axially move along the shock absorption barrel 15, one end of the shock absorption spring 19 abuts against the inside of the shock absorption barrel 15, the other end of the shock absorption spring abuts against the limiting disc 20 and pushes the limiting disc 20 to move towards the outside of the shock absorption barrel 15, the end part of the shock absorption barrel 15 is in threaded connection with a limiting end cover 21, and the shock absorption rod 18 penetrates through the limiting end cover 21 and can axially slide relative to the limiting end cover 21.

Referring to fig. 2 and 3, connecting groove 22 has been seted up just to the terminal surface of shock-absorbing rod 18 at sliding block 11, shock-absorbing rod 18 wears to establish in connecting groove 22, inserting groove 23 has been seted up along being on a parallel with butt roller 10 axis direction on sliding block 11 is connected with the lateral wall of butt roller 10, inserting groove 23 and the perpendicular inserting groove 23 that communicates of connecting groove 22, just to inserting groove 23's spliced eye 24 has radially been seted up along shock-absorbing rod 18 on shock-absorbing rod 18 lateral wall, be fixed with grafting spring 25 in inserting groove 23, it is equipped with grafting rod 26 to wear to be equipped with in grafting spring 25, in grafting spring 25 one end welding inserting groove 23, the other end welds on grafting rod 26 and stimulates grafting rod 26 to insert in inserting hole 24.

The implementation principle of the crawler crane in the embodiment of the application is as follows: steel wire 3 passes between from two butt joint rollers 10 to the joint is in spacing groove 12, with the heavy object hoist and mount on couple 4, at the in-process that shifts the heavy object, appears rocking when steel wire 3, under damping spring 19's effect, promotes steel wire 3 towards with rock the opposite direction motion of direction, thereby reduce the range of rocking of steel wire 3.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a crawler crane, includes automobile body (1) and connects davit (2) on automobile body (1), but set up steel wire (3) that rolling and unreel on davit (2), steel wire (3) bottom is provided with couple (4) that are used for the hoist and mount heavy object, its characterized in that: the end portion, far away from the machine body, of the suspension arm (2) is connected with a damping table (7) for the steel wire (3) to penetrate through, a damping groove (8) penetrating through the damping table (7) is vertically formed in the upper end face of the damping table (7), two parallel abutting rollers (10) used for abutting against the steel wire (3) are arranged in the damping groove (8) in a sliding mode, and a damping mechanism enabling the two abutting rollers (10) to clamp the steel wire (3) is arranged in the damping table (7).

2. The crawler crane of claim 1, wherein: the relative both sides inner wall level in shock attenuation groove (8) has seted up groove (9) that slides, it is connected with sliding block (11) to rotate in the pivot of butt roller (10) both ends, sliding block (11) joint that slides is corresponding in groove (9) slides.

3. The crawler crane of claim 2, wherein: damping platform (7) upper surface vertical seted up with mounting groove (14) of sliding block (11) one-to-one, damper is including installing just be on a parallel with in mounting groove (14) damping cylinder (15) of sliding groove (9), wear to be equipped with in damping cylinder (15) and run through to in sliding groove (9) and with sliding block (11) fixed connection's shock attenuation pole (18), the level is provided with in damping cylinder (15) promotes same sliding groove (9) interior sliding block (11) damping spring (19) that moves in opposite directions.

4. A crawler crane according to claim 3, wherein: the shock-absorbing rod (18) is located end fixing limiting disc (20) in the shock-absorbing cylinder (15), the end part of the shock-absorbing cylinder (15) is in threaded connection with a limiting end cover (21) for preventing the limiting disc (20) from being separated from the shock-absorbing cylinder (15), and the shock-absorbing rod (18) penetrates through the limiting end cover (21) and is in sliding connection with the limiting end cover (21).

5. The crawler crane of claim 4, wherein: keep away from mounting groove (14) the inside wall of shock attenuation pole (18) is vertical to be seted up joint groove (16) that the cross section is "T" shape, damper cylinder (15) end fixing has the joint that slides and is in damper cylinder (15) and cross section be joint piece (17) of "T" shape.

6. A crawler crane according to claim 3, wherein: connecting groove (22) have been seted up to the level on sliding block (11), shock attenuation pole (18) are worn to establish in connecting groove (22), sliding block (11) lateral wall go up the level seted up with connecting groove (22) perpendicular connected inserting groove (23), set up on shock attenuation pole (18) just to inserting hole (24) of inserting groove (23), wear to be equipped with in inserting groove (23) inserting rod (26) and pulling inserting rod (26) insert inserting spring (25) in inserting hole (24).

7. The crawler crane of claim 1, wherein: tip that automobile body (1) was kept away from in davit (2) rotates and is connected with two lift cylinders (5) that are vertical setting, lift cylinder (5) connecting rod lower extreme fixed connection be in shock attenuation platform (7) up end, rotate on davit (2) be connected with lift cylinder (5) one-to-one and rotation cylinder (6) that are parallel to each other, rotation cylinder (6) one end articulates on davit (2), the other end articulates on the cylinder body of lift cylinder (5), and promotes lift cylinder (5) drive shock attenuation platform (7) rotate in vertical direction.

8. The crawler crane of claim 1, wherein: two set up on butt roller (10) encircle spacing groove (12) of butt roller (10), steel wire (3) are followed two pass between spacing groove (12), butt roller (10) outer wall is fixed with rubber pad (13) that butt roller (10) outer wall shape is the same.