CN216235612U - Small hook of truck crane - Google Patents

Abstract

The utility model relates to the technical field of truck crane lifting, in particular to a small hook of a truck crane, which comprises a main body, a mechanical hook claw and a protection device, wherein the inner wall of the main body is rotatably connected with the mechanical hook claw, the protection device is arranged on the surface of the main body, the protection device comprises a supporting plate, the supporting plate is fixedly connected with the surface of the main body, the surface of the supporting plate is provided with a sliding groove, the surface of the supporting plate is provided with a round hole, the surface of the supporting plate is in a round angle, the inner wall of the sliding groove is in sliding connection with a sliding block, the sliding block is horizontally arranged, the surface of the sliding block is provided with a fixing hole, the inner wall of the round hole is clamped with a protection rod, and the surface of the protection rod is provided with a square hole. According to the utility model, the protection device is arranged, so that the crane hook is effectively protected, the rotation of the hook caused by stress during use is prevented, the stress at the joint of the hook is reduced, the service life of the hook is prolonged, the economic loss of a user is reduced, and the hook is convenient to normally use.

Description

Small hook of truck crane

Technical Field

The utility model relates to the technical field of truck crane hoisting, in particular to a small hook of a truck crane.

Background

The automobile crane is one kind of crane installed on common or special automobile chassis and has the advantages of high maneuverability and fast shift. The defects are that supporting legs are needed during working, the vehicle cannot run under load, and the vehicle is not suitable for working on soft or muddy places. The chassis performance of the automobile crane is equal to that of a lorry with the same total weight of the whole automobile, and the automobile crane meets the technical requirements of road vehicles, so that the automobile crane can pass through various roads without resistance. Such cranes are generally equipped with two cabs for getting on and off the crane and the legs must be extended to maintain stability during operation. The range of lifting loads is large.

The crane hook is frequently used when an automobile is hoisted, equipment needs to be hoisted when the crane hook is used at present, the crane hook is affected by the equipment and shakes, uneven stress appears at the interface of the crane hook and the equipment, the service life of the hook is shortened, the economic loss of a user is increased, the normal use of the hook is not facilitated, and improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a small hook of a truck crane.

In order to achieve the purpose, the utility model adopts the following technical scheme: a small hook of a truck crane comprises a main body, a mechanical hook claw and a protection device, wherein the small hook of the crane is effectively protected by arranging the protection device, the small hook is prevented from rotating under stress when in use, the stress at the joint of the small hook is reduced, the service life of the small hook is prolonged, the economic loss of a user is reduced, and the small hook is convenient to normally use, the inner wall of the main body is rotatably connected with the mechanical hook claw, the protection device is arranged on the surface of the main body, the protection device comprises a support plate, the support plate is fixedly connected with the surface of the main body, the surface of the support plate is provided with a chute, the surface of the support plate is provided with a round hole, the surface of the support plate is provided with a round angle, the inner wall of the chute is slidably connected with a sliding block, the sliding block is horizontally arranged, the surface of the sliding block is provided with a fixing hole, and the inner wall of the round hole is clamped with a protection rod, the square hole has been seted up on the surface of guard bar, the fixed surface of slider is connected with the inserted block, the inner wall joint in inserted block and square hole, fixedly connected with promotes the spring between slider and the backup pad, it is the level setting to promote the spring, promote the spring setting in the top of mechanical hook claw, promote the spring and can cooperate in order to reach the purpose that promotes the slider with the backup pad.

Preferably, the inner wall of the fixing hole is in threaded connection with a limiting rod, the limiting rod is arranged above the supporting plate and is horizontally arranged, and the limiting rod can be matched with the sliding block to limit the abutting plate.

Preferably, the inner wall of the supporting plate is rotatably connected with a supporting plate, the supporting plate is arranged in an L shape, the surface of the supporting plate is a round angle, the limiting rod is in threaded connection with the inner wall of the supporting plate, and the supporting plate can be matched with the supporting plate to achieve the purpose of limiting the sliding block and the inserting block.

Preferably, the fixed surface of mechanical hook claw is connected with the stop collar, the stop collar is vertical setting, the inner wall joint of fender rod and stop collar, the stop collar can cooperate with mechanical hook claw in order to reach the purpose that restriction mechanical hook claw rocked, effectually protects the hoist hooklet, prevents that the pivoted condition from appearing in the hooklet atress when using, reduces the atress of hooklet junction, improves the life of hooklet, reduces user's economic loss, the normal use of the hooklet of being convenient for.

Preferably, the surface of main part is provided with protector, protector includes the sliding sleeve, the sliding sleeve is connected with the fixed surface of main part, the shifting chute has been seted up on the surface of sliding sleeve, and the sliding sleeve can cooperate in order to reach the guide and support the purpose of guide board with the main part.

Preferably, the inner wall sliding connection of shifting chute has the spacing ring, spacing hole has been seted up on the surface of spacing ring, the spacing ring is the level setting, and the spacing ring can cooperate in order to reach the purpose of restriction with the rotary rod.

Preferably, the fixed surface of spacing ring is connected with the guide board, the surface of guide board is the fillet, the fixed surface of guide board is connected with the lag, the lag cover is established on mechanical hook, and the guide board can cooperate with the lag in order to reach the purpose of protection mechanical hook.

Preferably, the surface of the sliding sleeve is fixedly connected with a supporting block, the surface of the supporting block is provided with a threaded hole, the surface of the supporting block is a round angle, and the supporting block can be matched with the sliding sleeve to achieve the purpose of supporting the rotating rod.

Preferably, the inner wall threaded connection of screw hole has the rotary rod, the rotary rod is vertical setting, the rotary rod and the inner wall joint in spacing hole, the rotary rod can cooperate in order to reach the purpose of restriction spacing ring with the supporting shoe.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. according to the utility model, by arranging the protection device, when the small hook of the crane is used, the small hook of the crane is protected, the protection rod is inserted into the support plate and the limit sleeve, the limit sleeve and the mechanical claw are bound by the protection rod, the sliding block is loosened and pushed by the pushing spring, the sliding block moves and pushes the insertion block, the insertion block moves and is inserted into the protection rod, the abutting plate rotates to abut against the insertion block and the sliding block, the limit rod rotates to bind the insertion block and the abutting plate, equipment is started to finish protection, and by arranging the protection device, the small hook of the crane is effectively protected, so that the small hook is prevented from rotating under stress when in use, the stress at the connection part of the small hook is reduced, the service life of the small hook is prolonged, the economic loss of a user is reduced, and the normal use of the small hook is facilitated.

2. According to the crane hook, the protection device is arranged, when the crane hook is used, the mechanical hook claw is protected, the protection sleeve is rotated, the protection sleeve is aligned with the mechanical hook claw, the protection sleeve is pushed, the protection sleeve is sleeved on the mechanical hook claw, the limiting ring rotates, when the limiting ring moves to a specified position, the rotating rod is rotated, the rotating rod is inserted into the limiting ring, protection is completed, the crane hook is effectively protected by the protection device, the situation that the hook is corroded and damaged due to external influence is prevented, the stability of the hook is improved, and the maintenance cost of the hook is reduced.

Drawings

FIG. 1 is a schematic perspective view of a small hook of a truck crane according to the present invention;

FIG. 2 is a schematic structural view of a protection device for a small hook of a truck crane according to the present invention;

FIG. 3 is a schematic view of the structure at A in FIG. 2 showing a hook of a truck crane according to the present invention;

FIG. 4 is a schematic structural view of a protection device for a small hook of a truck crane according to the present invention;

fig. 5 is a schematic structural diagram of a small hook of a truck crane in fig. 4 at B.

Illustration of the drawings:

1. a main body; 2. a mechanical claw; 3. a protection device; 31. a guard bar; 32. a limiting sleeve; 33. a push spring; 34. a limiting rod; 35. inserting a block; 36. a slider; 37. a resisting plate; 38. a support plate; 4. a guard; 41. a protective sleeve; 42. a guide plate; 43. a limiting ring; 44. a sliding sleeve; 45. rotating the rod; 46. and (7) a supporting block.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a small hook of truck crane, includes main part 1, mechanical hook 2, protection device 3 and protector 4, and the inner wall of main part 1 rotates and is connected with mechanical hook 2, and protection device 3 and protector 4 all set up on the surface of main part 1.

The specific arrangement and function of the protective device 3 and the protective device 4 will be described in detail below.

In this embodiment: the protection device 3 comprises a supporting plate 38, the crane hook is effectively protected by arranging the protection device 3, the hook is prevented from rotating under stress when in use, the stress at the joint of the hook is reduced, the service life of the hook is prolonged, the economic loss of a user is reduced, the normal use of the hook is facilitated, the supporting plate 38 is fixedly connected with the surface of the main body 1, a sliding groove is formed in the surface of the supporting plate 38, a round hole is formed in the surface of the supporting plate 38, the surface of the supporting plate 38 is a round angle, a sliding block 36 is connected to the inner wall of the sliding groove in a sliding manner, the sliding block 36 is horizontally arranged, a fixing hole is formed in the surface of the sliding block 36, a protection rod 31 is clamped on the inner wall of the round hole, a square hole is formed in the surface of the protection rod 31, an insertion block 35 is fixedly connected to the surface of the sliding block 36, the insertion block 35 is clamped with the inner wall of the square hole, through arranging the protection device 3, when the crane hook is used, the crane hook is protected, the protection rod 31 is inserted into the supporting plate 38 and the limiting sleeve 32, the protection rod 31 restrains the limiting sleeve 32 and the mechanical claw 2, the sliding block 36 is loosened, the sliding block 36 is pushed by the pushing spring 33, the sliding block 36 moves and pushes the insertion block 35, the insertion block 35 moves and is inserted into the protection rod 31, the abutting plate 37 rotates, the abutting plate 37 abuts against the insertion block 35 and the sliding block 36, the limiting rod 34 rotates, the limiting rod 34 restrains the insertion block 35 and the abutting plate 37, equipment is started, and protection is completed.

Specifically, a pushing spring 33 is fixedly connected between the sliding block 36 and the supporting plate 38, the pushing spring 33 is horizontally arranged, the pushing spring 33 is arranged above the mechanical claw 2, and the pushing spring 33 can be matched with the supporting plate 38 to achieve the purpose of pushing the sliding block 36.

Specifically, the inner wall of the fixing hole is connected with a limiting rod 34 through threads, the limiting rod 34 is arranged above the supporting plate 38, and the limiting rod 34 is horizontally arranged.

In this embodiment: the limiting rod 34 can cooperate with the sliding block 36 to limit the abutting plate 37.

Specifically, the inner wall of the supporting plate 38 is rotatably connected with a resisting plate 37, the resisting plate 37 is arranged in an L shape, the surface of the resisting plate 37 is a round angle, the limiting rod 34 is in threaded connection with the inner wall of the resisting plate 37, and the resisting plate 37 can be matched with the supporting plate 38 to achieve the purpose of limiting the sliding block 36 and the inserting block 35.

Specifically, the fixed surface of mechanical hook 2 is connected with stop collar 32, and stop collar 32 is vertical setting, and the inner wall joint of guard bar 31 and stop collar 32, stop collar 32 can cooperate with mechanical hook 2 in order to reach the purpose that restriction mechanical hook 2 rocked.

In this embodiment: the surface of the main body 1 is provided with a protective device 4, and by arranging the protective device 4, when the small hook of the crane is used, the mechanical claw 2 is protected, the protective sleeve 41 is rotated, the protective sleeve 41 is aligned with the mechanical claw 2, the protective sleeve 41 is pushed, the protective sleeve 41 is sleeved on the mechanical claw 2, the limiting ring 43 rotates, when the spacing ring 43 moves to the designated position, the rotating rod 45 is rotated, the rotating rod 45 is inserted into the spacing ring 43, the protection is completed, by arranging the protective device 4, the crane hook can be effectively protected, the hook can be prevented from being rusted and damaged due to external influence, the stability of little hook is improved, the maintenance cost of little hook is reduced, and protector 4 includes sliding sleeve 44, and sliding sleeve 44 is connected with the fixed surface of main part 1, and the shifting chute has been seted up on sliding sleeve 44's surface, and sliding sleeve 44 can cooperate with main part 1 in order to reach the purpose of guide and support guide board 42.

Concretely, the inner wall sliding connection of shifting chute has spacing ring 43, and spacing hole has been seted up on spacing ring 43's surface, and spacing ring 43 is the level setting, effectually protects the hoist hooklet, prevents that the pivoted condition from appearing in the hooklet atress when using, reduces the atress of hooklet junction, improves the life of hooklet, reduces user's economic loss, the normal use of the hooklet of being convenient for.

In this embodiment: the limiting ring 43 can cooperate with the rotating rod 45 for limiting purposes.

The automobile crane is mounted on a common automobile chassis or a special automobile chassis, and has the advantages of good maneuverability and rapid transfer. The defects are that supporting legs are needed during working, the vehicle cannot run under load, and the vehicle is not suitable for working on soft or muddy places. The chassis performance of mobile crane is equal to the lorry of same whole car gross weight, accords with the technical requirement of highway vehicle, therefore can be on all kinds of highways current unimpededly, and the fixed surface of spacing ring 43 is connected with guide plate 42, and the surface of guide plate 42 is the fillet, and the fixed surface of guide plate 42 is connected with lag 41, and lag 41 cover is established on mechanical hook 2, and guide plate 42 can cooperate with lag 41 in order to reach the purpose of protection mechanical hook 2.

Concretely, the fixed surface of sliding sleeve 44 is connected with supporting shoe 46, threaded hole has been seted up on the surface of supporting shoe 46, supporting shoe 46's surface is the fillet, supporting shoe 46 can cooperate with sliding sleeve 44 in order to reach the purpose of supporting rotary rod 45, effectually protect the hoist hooklet, prevent that the pivoted condition from appearing in the hooklet atress when using, reduce the atress of hooklet junction, improve the life of hooklet, reduce user's economic loss, the normal use of the hooklet of being convenient for.

Specifically, the inner wall threaded connection of screw hole has rotary rod 45, and rotary rod 45 is vertical setting, rotary rod 45 and the inner wall joint in spacing hole.

In this embodiment: the rotating rod 45 may cooperate with the supporting block 46 for the purpose of restraining the position-limiting ring 43.

The working principle is as follows: by arranging the protection device 3, when the small hook of the crane is used, the small hook of the crane is protected, the protection rod 31 is inserted into the supporting plate 38 and the limiting sleeve 32, the limiting sleeve 32 and the mechanical claw 2 are bound by the protection rod 31, the sliding block 36 is loosened, the sliding block 36 is pushed by the pushing spring 33, the sliding block 36 moves and pushes the insertion block 35, the insertion block 35 moves and is inserted into the protection rod 31, the abutting plate 37 rotates, the abutting plate 37 abuts against the insertion block 35 and the sliding block 36, the limiting rod 34 rotates, the limiting rod 34 binds the insertion block 35 and the abutting plate 37, equipment is started, protection is completed, by arranging the protection device 3, the small hook of the crane is effectively protected, the small hook is prevented from rotating under stress when being stressed during use, the stress at the connection part of the small hook is reduced, the service life of the small hook is prolonged, economic loss of a user is reduced, normal use of the small hook is facilitated, in addition, by arranging the protection device 4, when the crane hooklet uses, protect mechanical hook 2, rotate lag 41, lag 41 aims at mechanical hook 2, promote lag 41, lag 41 cover is established on mechanical hook 2, spacing ring 43 takes place to rotate, when spacing ring 43 removes the assigned position, rotate rotary rod 45, rotary rod 45 inserts in spacing ring 43, accomplish the protection, through setting up protector 4, effectually protect the crane hooklet, prevent that the hooklet from the external influence the condition that the corrosion damaged appears, improve the stability of hooklet, reduce the maintenance cost of hooklet.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims (10)

1. A small hook of a truck crane comprises a main body (1), a mechanical claw (2) and a protection device (3), and is characterized in that: the inner wall of main part (1) rotates and is connected with mechanical hook claw (2), protection device (3) set up on the surface of main part (1), protection device (3) are including backup pad (38), backup pad (38) are connected with the fixed surface of main part (1), the spout has been seted up on the surface of backup pad (38), the round hole has been seted up on the surface of backup pad (38), the surface of backup pad (38) is the fillet, the inner wall sliding connection of spout has slider (36), the fixed orifices has been seted up on the surface of slider (36), the inner wall joint of round hole has guard bar (31), the square hole has been seted up on the surface of guard bar (31), the fixed surface of slider (36) is connected with inserted block (35), the inner wall joint in inserted block (35) and square hole.

2. A truck crane hook according to claim 1, wherein: a pushing spring (33) is fixedly connected between the sliding block (36) and the supporting plate (38), and the pushing spring (33) is transverse.

3. A truck crane hook according to claim 1, wherein: the inner wall threaded connection of fixed orifices has gag lever post (34), gag lever post (34) set up the top at backup pad (38), gag lever post (34) are the level setting.

4. A truck crane hook according to claim 3, wherein: the inner wall of the supporting plate (38) is rotatably connected with a supporting plate (37), the supporting plate (37) is arranged in an L shape, the surface of the supporting plate (37) is a round angle, and the limiting rod (34) is in threaded connection with the inner wall of the supporting plate (37).

5. A truck crane hook according to claim 1, wherein: the fixed surface of mechanical hook claw (2) is connected with stop collar (32), stop collar (32) are vertical setting, inner wall joint of fender rod (31) and stop collar (32).

6. A truck crane hook according to claim 1, wherein: the surface of main part (1) is provided with protector (4), protector (4) include sliding sleeve (44), sliding sleeve (44) and the fixed surface of main part (1) are connected, the shifting chute has been seted up on the surface of sliding sleeve (44).

7. A truck crane hook according to claim 6, wherein: the inner wall sliding connection of shifting chute has spacing ring (43), spacing hole has been seted up on the surface of spacing ring (43), spacing ring (43) are the level setting.

8. A truck crane hook according to claim 7, wherein: the fixed surface of spacing ring (43) is connected with guide board (42), the surface of guide board (42) is the fillet, the fixed surface of guide board (42) is connected with lag (41), lag (41) cover is established on mechanical hook claw (2).

9. A truck crane hook according to claim 6, wherein: the surface of the sliding sleeve (44) is fixedly connected with a supporting block (46), a threaded hole is formed in the surface of the supporting block (46), and the surface of the supporting block (46) is in a round angle shape.

10. A truck crane hook according to claim 9, wherein: the inner wall threaded connection of screw hole has rotary rod (45), rotary rod (45) are vertical setting, rotary rod (45) and the inner wall joint in spacing hole.

Images