CN220334561U - Balance device for crane - Google Patents

Abstract

The utility model relates to the technical field of cranes and discloses a balancing device for a crane, which comprises a protective shell, wherein a first clamping groove is formed in the bottom surface of the protective shell, a first frame is connected in the first clamping groove in a sliding mode, four second clamping grooves which are arranged in a circumferential mode are formed in the inner side wall of the protective shell, a first supporting plate is connected between the inner parts of the four second clamping grooves in a sliding mode, a second frame is connected in the inner part of the first frame in a sliding mode, a first sleeve is fixedly connected to the inner bottom wall of the second frame, and a first push rod is connected in the inner part of the first sleeve in a sliding mode. This balancing unit that hoist was used, the interact of first frame, second sleeve and second push rod can make first frame and second frame move to can wrap up the hawser, avoid making it can take place slight rocking because of the effect of strong wind, thereby reduce rocking of goods, and then make it rise or decline that can be stable, solve the problem that the material easily takes place to rock in the hoisting process.

Description

Balance device for crane

Technical Field

The utility model relates to the technical field of cranes, in particular to a balancing device for a crane.

Background

The crane is a multi-action hoisting machine for vertically hoisting and horizontally carrying heavy objects in a certain range, and is also called a crown block, an aerial crane and a crane, and the crane is classified according to hoisting weight: light truck crane (with the lifting weight below 5 tons), medium truck crane (with the lifting weight between 5 and 15 tons), heavy truck crane (with the lifting weight between 5 and 50 tons) and extra heavy truck crane (with the lifting weight above 50 tons).

When the common tower crane type crane is used, the distance between the tower crane body and the ground is too large and the tower crane body is located at high altitude, the heavy objects can easily rotate under the action of gravity when being lifted, meanwhile, the heavy objects can slightly shake under the action of wind force due to high altitude operation, and the heavy objects located below can easily drive the cable to shake if shaking through the cable, so that severe shaking is generated.

Disclosure of Invention

The utility model aims to provide a balancing device for a crane, which has the advantage of stable lifting and solves the problem that materials are easy to shake in the lifting process.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a balancing unit that hoist was used, includes the protective housing, first draw-in groove has been seted up to the bottom surface of protective housing, the inside sliding connection of first draw-in groove has first frame, four second draw-in grooves that are circumference arrangement have been seted up to the inside wall of protective housing, sliding connection has first backup pad between the inside of four second draw-in grooves, the inside sliding connection second frame of first frame, the first sleeve of interior wall fixedly connected with of second frame, the first push rod of the inside sliding connection of first telescopic, the upper end of first push rod and the bottom surface fixedly connected with lifting hook of first backup pad, the middle part fixedly connected with lifting hook of second frame bottom surface.

Further, a first spring is fixedly connected between the inner bottom wall of the first sleeve and the lower end of the first push rod, and the first spring is in a reset state.

Through adopting above-mentioned technical scheme, under the effect of first spring, can make first push rod resume the original position to reach the purpose that resets.

Further, the upper surface fixedly connected with of first frame is the second sleeve of rectangle distribution, and the inside of every second sleeve all sliding connection has the second push rod, and the upper end of every second push rod and the interior top fixed connection of first draw-in groove.

By adopting the technical scheme, the second push rod can move according to the track of the second sleeve, so that dislocation is avoided.

Further, a second spring is fixedly connected between the inner bottom wall of each second sleeve and the lower end of the corresponding second push rod, and each second spring is in a reset state.

By adopting the technical scheme, under the action of the second spring, the second push rod can freely move in the second sleeve.

Further, the upper surface fixedly connected with fixed arm of protective housing, the interior bottom wall fixedly connected with of fixed arm two symmetrical second backup pads, a side fixedly connected with gyro wheel that two second backup pads are close to each other.

Through adopting above-mentioned technical scheme, under the effect of gyro wheel, can reduce the frictional force to the hawser, avoid the hawser to use the circumstances that appears wearing and tearing down for a long time.

Further, the inner bottom wall of the fixed arm is provided with a through groove, the inner side wall of the through groove is fixedly connected with four fixed ropes which are distributed in a rectangular mode, and the lower ends of the four fixed ropes are fixedly connected with damping balls.

Through adopting above-mentioned technical scheme, under the effect of damping ball, can effectually offset inertia to reduce the range of rocking.

Compared with the prior art, the balancing device for the crane has the following beneficial effects:

1. according to the utility model, through the interaction of the first frame, the second sleeve and the second push rod, the first frame and the second frame can move, so that a cable can be wrapped, slight shaking caused by the action of strong wind is avoided, shaking of goods is reduced, the goods can stably rise or fall, and the problem that materials are easy to shake in the lifting process is solved.

2. According to the utility model, through the interaction of the second support plate, the first sleeve and the first push rod, the second support plate can effectively move according to a certain track, so that the second frame can stably ascend or descend, shaking is avoided, and inertia can be effectively counteracted through the interaction of the damping ball and the fixing rope, so that shaking amplitude is reduced.

Drawings

FIG. 1 is a cross-sectional view of a front view of a stationary arm of the present utility model;

FIG. 2 is a front view of the protective housing of the present utility model;

FIG. 3 is a cross-sectional view of a left side view of the protective case of the present utility model;

fig. 4 is an enlarged schematic view of the structure a in fig. 3 according to the present utility model.

In the figure: 1. a protective shell; 2. a first clamping groove; 3. a first frame; 4. a second clamping groove; 5. a first support plate; 6. a second frame; 7. a first sleeve; 8. a first push rod; 9. a second support plate; 10. a lifting hook; 11. a first spring; 12. a second sleeve; 13. a second push rod; 14. a second spring; 15. a fixed arm; 16. a roller; 17. a through groove; 18. a fixing rope; 19. damping ball.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a balancing unit that hoist was used, including protective housing 1, first draw-in groove 2 has been seted up to the bottom surface of protective housing 1, the inside sliding connection of first draw-in groove 2 has first frame 3, four second draw-in grooves 4 that are circumference arrangement have been seted up to the inside wall of protective housing 1, sliding connection has first backup pad 5 between the inside of four second draw-in grooves 4, the inside sliding connection second frame 6 of first frame 3, the interior bottom wall fixedly connected with first sleeve 7 of second frame 6, the inside sliding connection of first sleeve 7 has first push rod 8, the upper end of first push rod 8 and the bottom surface fixed connection of first backup pad 5, the middle part fixedly connected with lifting hook 10 of second frame 6 bottom surface, the interact at first sleeve 7 and first push rod 8, can effectually make second backup pad 9 move according to certain orbit, thereby can make second frame 6 steadily rise or descend, avoid taking place to rock.

The first spring 11 is fixedly connected between the inner bottom wall of the first sleeve 7 and the lower end of the first push rod 8, the first spring 11 is in a reset state, under the action of the first spring 11, the first push rod 8 can be restored to the original position, thereby the purpose of resetting is achieved, four rectangular second sleeves 12 are fixedly connected to the upper surface of the first frame 3, the second push rod 13 is slidably connected to the inside of each second sleeve 12, the upper end of each second push rod 13 is fixedly connected with the inner top of the first clamping groove 2, the second push rod 13 can move according to the track of the second sleeve 12, dislocation is avoided, the second springs 14 are fixedly connected between the inner bottom wall of each second sleeve 12 and the lower end of the corresponding second push rod 13, each second spring 14 is in a reset state, under the action of the second springs 14, the second push rod 13 can freely move in the second sleeve 12, the interaction of the first sleeve 7 and the second sleeve 12 can freely adjust the position of the first frame 3, and therefore the overall length of a cable can be adjusted, and the overall length of the cable can be adjusted.

The upper surface fixedly connected with fixed arm 15 of protective housing 1, the right-hand member and the tower crane body fixed connection of fixed arm 15 play holistic supporting role, the interior bottom wall fixedly connected with of fixed arm 15 two symmetrical second backup pad 9, a side fixedly connected with gyro wheel 16 that two second backup pads 9 are close to each other, under gyro wheel 16's effect, can reduce the frictional force to the hawser, avoid the hawser to appear wearing and tearing the condition under long-time use, the hawser has been placed to gyro wheel 16's surface, the bottom of hawser runs through first backup pad 5 and the interior bottom wall fixed connection of second frame 6, the other end of hawser and the output fixed connection of tower crane body, can freely carry out the rolling or loosen to the hawser, thereby reach the purpose of hanging article, logical groove 17 has been seted up to the interior bottom wall of fixed arm 15, the inside wall fixed connection of logical groove 17 is four fixed ropes 18 that are the rectangle and are distributed, the lower extreme fixedly connected with damping ball 19 of four fixed ropes 18, when taking place to rock, damping ball 19 can rock to opposite direction, thereby can effectually with inertia, thereby the amplitude is rocked in the reduction.

During the use, start the output of tower crane, loosen the hawser, under the effect of gravity, second frame 6 can steadily descend, when the motion is to the below, first frame 3 descends under the effect of gravity, under the effect of second sleeve 12, can make the compression of second spring 14 produce the elasticity that resets, simultaneously under the pulling force effect of second sleeve 12, make second frame 6 descend, thereby make lifting hook 10 move to suitable position, thereby can hoist the material, when hoisting article, the output of tower crane is played, with the hawser rolling, under the effect of pulling force, drive second frame 6 and rise simultaneously at the interact of first sleeve 7 and first push rod 8, thereby avoid producing the rocking, and the hawser is in inside second frame 6 and first frame 3, thereby avoid producing the rocking because of wind-force, when the biggest department of second frame 6 rises, can drive first frame 3 and rise, thereby can drive four second sleeves 12 simultaneously, can be in the opposite direction of the motion, can be realized to the damping ball through the effect of the motion of second sleeve 7, thereby the problem of can be solved in the opposite, the inside can be easily, the problem of the material is solved, the vibration can be solved by the opposite, the vibration of the material is realized, the opposite the position is easy to the vibration of the material is realized, and the material is easy to the problem is recovered.

During the use, start the output of tower crane, loosen the hawser, under the effect of gravity, second frame 6 can steadily descend, when the motion is to the below, first frame 3 descends under the effect of gravity, under the effect of second sleeve 12, can make the compression of second spring 14 produce the elasticity that resets, simultaneously under the pulling force effect of second sleeve 12, make second frame 6 descend, thereby make lifting hook 10 move to suitable position, thereby can hoist the material, when hoisting article, the output of tower crane is played, with the hawser rolling, under the effect of pulling force, drive second frame 6 and rise simultaneously at the interact of first sleeve 7 and first push rod 8, thereby avoid producing the rocking, and the hawser is in inside second frame 6 and first frame 3, thereby avoid producing the rocking because of wind-force, when the biggest department of second frame 6 rises, can drive first frame 3 and rise, thereby can drive four second sleeves 12 simultaneously, can be in the opposite direction of the motion, can be realized to the damping ball through the effect of the motion of second sleeve 7, thereby the problem of can be solved in the opposite, the inside can be easily, the problem of the material is solved, the vibration can be solved by the opposite, the vibration of the material is realized, the opposite the position is easy to the vibration of the material is realized, and the material is easy to the problem is recovered.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Balance device for a crane, comprising a protective shell (1), characterized in that: the utility model discloses a protective housing, including protective housing, first draw-in groove (2) have been seted up to the bottom surface of protective housing (1), first frame (3) have been connected to the inside sliding of first draw-in groove (2), four second draw-in grooves (4) that are circumference arrangement have been seted up to the inside wall of protective housing (1), sliding connection has first backup pad (5) between the inside of four second draw-in grooves (4), the inside sliding connection second frame (6) of first frame (3), the interior bottom wall fixedly connected with first sleeve (7) of second frame (6), the inside sliding connection of first sleeve (7) has first push rod (8), the upper end of first push rod (8) and the bottom surface fixedly connected with lifting hook (10) of first backup pad (5) are connected to the middle part of second frame (6) bottom surface.

2. A balancing device for a crane according to claim 1, wherein: a first spring (11) is fixedly connected between the inner bottom wall of the first sleeve (7) and the lower end of the first push rod (8), and the first spring (11) is in a reset state.

3. A balancing device for a crane according to claim 1, wherein: the upper surface fixedly connected with of first frame (3) is second sleeve (12) that the rectangle distributes, and the inside of every second sleeve (12) all sliding connection has second push rod (13), and the upper end of every second push rod (13) is fixed connection with the interior top of first draw-in groove (2).

4. A balancing device for a crane according to claim 3, wherein: a second spring (14) is fixedly connected between the inner bottom wall of each second sleeve (12) and the lower end of the corresponding second push rod (13), and each second spring (14) is in a reset state.

5. A balancing device for a crane according to claim 1, wherein: the upper surface fixedly connected with fixed arm (15) of protective housing (1), the interior bottom wall fixedly connected with of fixed arm (15) two symmetrical second backup pad (9), one side fixedly connected with gyro wheel (16) that two second backup pads (9) are close to each other.

6. The balance device for a crane of claim 5, wherein: the inner bottom wall of the fixed arm (15) is provided with a through groove (17), the inner side wall of the through groove (17) is fixedly connected with four rectangular fixed ropes (18), and the lower ends of the four fixed ropes (18) are fixedly connected with damping balls (19).