CN220098367U - Safety mechanism for hoisting and running of trolley of tower crane - Google Patents

Abstract

The utility model discloses a safety mechanism for hoisting and running of a trolley of a tower crane, and relates to the technical field of safety mechanisms. The automatic lifting device comprises a bottom plate, a support is fixedly arranged at the top of the bottom plate, a top frame is fixedly arranged at the top of the support, a control carriage is fixedly arranged at one side of the top frame, supporting plates are fixedly arranged at the two ends of the top frame, a threaded rod is arranged in the middle of the supporting plates in a rotating mode, a movable block is arranged at one end of the outer portion of the threaded rod in a threaded mode, external boxes are fixedly arranged at the two ends of the two sides of the support, a sliding block is arranged in the external boxes in a sliding mode, a rotating head is arranged at one end of the sliding block in a rotating mode, and a connecting plate is arranged at one end of the inner portion of the rotating head in a rotating mode. According to the utility model, through the arrangement of the external box, the sliding barrel and the support column can be slidably arranged in the external box through the sliding block and the rotating head, and in the conveying process, the support column is supported on the vehicle body, so that the crane is balanced, and the crane is prevented from tilting.

Description

Safety mechanism for hoisting and running of trolley of tower crane

Technical Field

The utility model relates to the technical field of safety mechanisms, in particular to a safety mechanism for hoisting and running of a trolley of a tower crane.

Background

The automobile tower crane is a special automobile provided with hoisting equipment and specially used for completing hoisting tasks. The self-propelled lifting machine has the advantages of convenience in operation, flexibility in maneuvering and the like, and is widely used for scattered goods such as transportation, construction, mines and the like, narrow lifting sites and sites where lifting equipment is not suitable to be installed or temporary lifting operation.

The utility model patent number is CN 217051409U's China discloses a safety protection machine for tower crane, its structure includes tower grudging post, attach wall frame, a pedestal, protection mechanism, attach wall frame horizontal rigid coupling in tower grudging post upper end, tower grudging post rigid coupling in the base top, protection mechanism joint is in attaching wall frame upper surface, protection mechanism includes the guard bar, auxiliary fixing pole, the connecting piece, auxiliary fixing pole rigid coupling is in guard bar one side, the connecting piece is installed in the guard bar below, the guard bar cooperates with auxiliary fixing pole and can carry out the installation setting to attaching wall frame extension arm protection mechanism can cooperate the appearance of attaching wall frame structure spare, can prevent to attach wall frame structure spare and receive the pollution, its simple structure, the later maintenance is convenient, the design of guard bar top 90 closed angles, effectually avoided concrete adhesion at attaching wall frame structure spare surface, reduce concrete high altitude risk that drops, peripheral constructor's personal safety, but some are hoisting equipment, install on the car, in order to conveniently transport, in the transportation, need have the device to be fixed to the lifting tower crane, and in the transportation need, and in the lifting device to fall off the safety and lifting device can not be balanced in the course, the lifting crane is avoided, the lifting device is too little to be carried out.

Disclosure of Invention

The utility model aims to provide a safety mechanism for hoisting and running of a trolley of a tower crane, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a safety mechanism that tower crane dolly hoist and mount was gone, includes the bottom plate, the top fixed mounting of bottom plate has the support, the top fixed mounting of support has the roof-rack, one side fixed mounting of roof-rack has the control carriage, the top both ends fixed mounting of roof-rack has the backup pad, the inside threaded rod of installing of middle internal rotation of backup pad, the outside one end screw thread of threaded rod installs the movable block, the both ends fixed mounting of support both sides has external box, the inside slidable mounting of external box has the slider, the one end rotation of slider is installed and is rotated the head, the inside one end rotation of rotation head is installed the connecting plate, the one end fixed mounting of connecting plate has the smooth bucket, the inside slidable mounting of smooth bucket has the pillar.

Preferably, the balancing weight is fixedly installed in one end of the top frame, the limiting plates are fixedly installed on two sides of the top frame, the grounding plate is fixedly installed at the bottom of the support column, and the screw is installed in the middle of the grounding plate in a rotating mode.

Preferably, an auxiliary wheel is rotatably arranged in the sliding block, and the auxiliary wheel is rotatably connected with the inside of the external box.

Preferably, a motor is fixedly installed at one end of the supporting plate, and the output end of the motor penetrates through the supporting plate and is fixedly connected with a threaded rod.

Preferably, springs are fixedly arranged in the two sides of the supporting plate, and buffer barrels are slidably arranged in the two sides of the supporting plate.

Compared with the prior art, the utility model has the beneficial effects that:

this safety mechanism that tower crane dolly hoist and mount was gone through the setting of external box, can let smooth bucket and pillar pass through slider and the inside of turning head slidable mounting at external box, in the transportation process, let the pillar support on the automobile body, let the crane keep balanced, avoid the crane to empty.

This safety mechanism that tower crane dolly hoist and mount was gone through, through the setting of movable block, can transport the in-process again, slide on the threaded rod through the movable block, let the crane keep balanced, can carry out the counter weight at any time in the transportation.

Drawings

FIG. 1 is a perspective view of the present utility model;

fig. 2 is a perspective view of a support plate of the present utility model;

FIG. 3 is an exploded view of a buffer tub of the present utility model;

FIG. 4 is an exploded view of the outer box of the present utility model;

fig. 5 is a perspective view of a slider according to the present utility model.

In the figure: 1. a bottom plate; 2. a bracket; 3. a top frame; 4. controlling a carriage; 5. balancing weight; 6. a support plate; 7. a threaded rod; 8. a limiting plate; 9. a movable block; 10. a motor; 11. a spring; 12. a buffer barrel; 13. a top plate; 14. an external box; 15. a slide block; 16. a rotating head; 17. a connecting plate; 18. a sliding barrel; 19. a support post; 20. a ground plate; 21. a screw; 22. an auxiliary wheel.

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.

As shown in fig. 1 to 5, the present utility model provides a technical solution: the utility model provides a safety mechanism that tower crane dolly hoist and mount was gone, including bottom plate 1, the top fixed mounting of bottom plate 1 has support 2, the top fixed mounting of support 2 has roof-rack 3, one side fixed mounting of roof-rack 3 has control carriage 4, the top both ends fixed mounting of roof-rack 3 has backup pad 6, threaded rod 7 is installed to the inside rotation in centre of backup pad 6, movable block 9 is installed to the outside one end screw thread of threaded rod 7, the both ends fixed mounting of support 2 both sides has external box 14, the inside slidable mounting of external box 14 has slider 15, the one end rotation of slider 15 is installed and is rotated first 16, the inside one end rotation of rotation first 16 is installed connecting plate 17, the one end fixed mounting of connecting plate 17 has smooth bucket 18, the inside slidable mounting of smooth bucket 18 has pillar 19.

It should be noted that in this application, through setting up of backup pad 6, can let the inside rotation installation threaded rod 7 of backup pad 6, the outside one end screw thread installation's of threaded rod movable block 9 can slide on threaded rod 7, so let roof-rack 3 keep balanced, when that one side focus is unstable, can let the sliding block remove which one end, the inside slidable mounting's of external box 14 slider 15, can let rotating head 16 and connecting plate 17 connect smooth bucket 18 and slide in the inside of external box 14 through slider 15, so let roof-rack 3 slide in the inside of smooth bucket 18, support at the roof portion, let the crane keep balanced.

As shown in fig. 1-2, a balancing weight 5 is fixedly installed inside one end of the top frame 3, limiting plates 8 are fixedly installed on two sides of the top frame 3, a grounding plate 20 is fixedly installed at the bottom of a support 19, and a screw 21 is rotatably installed inside the middle of the grounding plate 20.

It should be noted that, in this application, through setting up of limiting plate 8, can let movable block 9 keep stable when sliding, the bottom fixed mounting's of pillar 19 ground plate 20 can be fixed it at the roof portion through screw 21, lets the crane tower keep stable.

As shown in fig. 5, the auxiliary wheel 22 is rotatably mounted inside the slider 15, and the auxiliary wheel 22 is rotatably connected to the inside of the external box 14.

It should be noted that, in this application, the auxiliary wheel 22 rotatably mounted inside the slider 15 can assist the slider 15 to slide, so as to avoid jamming during sliding.

As shown in fig. 2, a motor 10 is fixedly installed at one end of the support plate 6, and an output end of the motor 10 penetrates through the support plate 6 and is fixedly connected with a threaded rod 7.

It should be noted that in this application, by opening the motor 10, the output end of the motor 10 can drive the threaded rod 7 to rotate, so that the movable block 9 can be controlled more conveniently to adjust the balance of the crane.

As shown in fig. 3, springs 11 are fixedly installed inside both sides of the support plate 6, and buffer barrels 12 are slidably installed inside both sides of the support plate 6.

As shown in fig. 3, one end of the spring 11 is fixed to the buffer tub 12, and a top plate 13 is fixedly installed at one end of the buffer tub 12

It should be noted that in this application, through the setting of the buffer barrel 12, when can let movable block 9 return to the afterbody of roof-rack 3, touching roof 13 lets buffer barrel 12 slide in the inside of backup pad 6 both sides, is bumping through spring 11 and is buffering, avoids impacting too big and leads to the crane to empty.

Working principle: through the arrangement of the supporting plate 6, the threaded rod 7 can be rotatably arranged in the supporting plate 6, the movable block 9 which is arranged at one end of the outer part of the threaded rod 7 in a threaded manner can slide on the threaded rod 7, so that the top frame 3 is kept balanced, when the gravity center at that side is unstable, the movable block can be moved to which end, the sliding block 15 which is slidably arranged in the external box 14 can enable the rotating head 16 and the connecting plate 17 to be connected with the sliding barrel 18 to slide in the external box 14 through the sliding block 15, so that the top frame 3 can slide in the sliding barrel 18, the top frame is supported at the top of the vehicle, the crane is kept balanced, and the movable block 9 can be kept stable during sliding through the arrangement of the limiting plate 8, the bottom fixed mounting's of pillar 19 earth plate 20 can be through screw 21 with it fixed at the roof portion, let the crane keep stable, the inside rotation of slider 15 installs auxiliary wheel 22, can assist slider 15 to slide, jamming when avoiding sliding, through opening motor 10, can let motor 10's output drive threaded rod 7 rotate, thereby can be more convenient control movable block 9, adjust the crane balance, through buffer barrel 12's setting, can let movable block 9 return to the afterbody of roof-rack 3 when, touch roof 13, let buffer barrel 12 slide in the inside of backup pad 6 both sides, impact is being buffered through spring 11, avoid impact too big causing the crane to empty.

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. The utility model provides a safety mechanism that tower crane dolly hoist and mount was gone, includes bottom plate (1), its characterized in that: the utility model discloses a car, including bottom plate (1), carriage (2), roof-rack (3), control carriage (4), backup pad (6), threaded rod (7) are installed to the inside rotation in centre of backup pad (6), movable block (9) are installed to the outside one end screw thread of threaded rod (7), external box (14) are installed at the both ends fixed mounting of support (2) both sides, the inside slidable mounting of external box (14) has slider (15), the one end rotation of slider (15) is installed and is rotated first (16), the inside one end rotation of rotation first (16) is installed connecting plate (17), the one end fixed mounting of connecting plate (17) has smooth bucket (18), the inside slidable mounting of smooth bucket (18) has pillar (19).

2. The safety mechanism for hoisting and traveling of a trolley of a tower crane according to claim 1, wherein: the novel lifting device is characterized in that a balancing weight (5) is fixedly installed inside one end of the top frame (3), limiting plates (8) are fixedly installed on two sides of the top frame (3), a grounding plate (20) is fixedly installed at the bottom of the supporting column (19), and a screw (21) is rotatably installed inside the middle of the grounding plate (20).

3. The safety mechanism for hoisting and traveling of a trolley of a tower crane according to claim 1, wherein: an auxiliary wheel (22) is rotatably arranged in the sliding block (15), and the auxiliary wheel (22) is rotatably connected with the inside of the external box (14).

4. The safety mechanism for hoisting and traveling of a trolley of a tower crane according to claim 1, wherein: one end of the supporting plate (6) is fixedly provided with a motor (10), and the output end of the motor (10) penetrates through the supporting plate (6) and is fixedly connected with a threaded rod (7).

5. The safety mechanism for hoisting and traveling of a trolley of a tower crane according to claim 1, wherein: the spring (11) is fixedly installed in the two sides of the supporting plate (6), and the buffer barrel (12) is slidably installed in the two sides of the supporting plate (6).

6. The safety mechanism for hoisting and traveling of a trolley of a tower crane according to claim 5, wherein: one end of the spring (11) is fixed with the buffer barrel (12), and a top plate (13) is fixedly arranged at one end of the buffer barrel (12).