CN217458447U

CN217458447U - Lifting appliance suitable for short factory building

Info

Publication number: CN217458447U
Application number: CN202221699717.6U
Authority: CN
Inventors: 邱高鹏; 邱程鹏; 王跃楠; 李荣荣; 李亚军
Original assignee: Zhongpeng United Heavy Industry Group Co ltd
Current assignee: Zhongpeng United Heavy Industry Group Co ltd
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-09-20
Anticipated expiration: 2032-07-04

Abstract

The utility model relates to a hoist suitable for short factory building, including electric block, electric block's below is equipped with the mounting panel, the mounting panel top can be dismantled and be connected with the assembly pulley that lifts by crane, the winding has wire rope on electric block's the reel, wire rope's one end is fixed in on electric block's the shell, wire rope's the other end is walked around the assembly pulley that lifts by crane the after-fixing on electric block's reel, be provided with anti-collision mechanism with the top of the assembly pulley that lifts by crane on electric block's the shell, the hoisting machine who is connected with two bilateral symmetry settings can be dismantled at the both ends of mounting panel bottom, every hoisting machine all includes the hoisting machine subassembly that two longitudinal symmetries set up, the top of hoisting machine subassembly extends to the mounting panel top and can dismantle with the mounting panel and be connected with the hoist rope between two hoisting machine subassemblies of same hoisting machine structure. The clearance that can reduce hoist length itself occupies, satisfies the hoist and mount demand of short factory building, and can avoid taking place to dash and push up the accident, promotes the security performance.

Description

Lifting appliance suitable for short factory building

Technical Field

The utility model belongs to the technical field of lifting device, especially, relate to a hoist suitable for short factory building.

Background

In the process of installing the crane, a lifting appliance is needed to lift the main beam, the end beam, the crane trolley and other components to a specified position for assembly. At present, a common lifting appliance used for lifting other components such as a main beam and an end beam of a crane in the prior art is shown in fig. 3, and mainly comprises a cross beam 17 horizontally arranged below an electric hoist, wherein the top of the cross beam 17 is connected with a winding drum of the electric hoist through a steel wire rope, and two symmetrically arranged suspension arms 18 are fixed at two ends of the bottom of the cross beam 17. When the crane is used, the main beam and the end beam are bound and fixed by a rope, and the rope is fixed at the bottom end of the suspension arm 18. When the lifting appliance is used for lifting in a low factory building, the height of the factory building is limited, and the lifting clearance is low due to the fact that the lifting arm 18 occupies a large space in the vertical direction, the lifting space cannot be fully utilized, the heavy object cannot be lifted to an effective height, and the universality is poor; in addition, in the actual hoisting process, under the condition that the space of a factory building is limited, the beam 17 and the electric hoist are easy to collide, the problem that the lifting appliance rushes to the top is easy to occur, great potential safety hazards exist, and the using requirement cannot be well met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hoist suitable for short factory building for it is lower to lift by crane the headroom to solve the hoist that is used for short factory building among the prior art, takes place the technical problem who dashes the top accident easily.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the utility model provides a hoist suitable for short factory building, including electric block, electric block's below level is provided with the mounting panel, the mounting panel extends along the fore-and-aft direction, the intermediate position at mounting panel top can be dismantled and be connected with the assembly pulley that lifts by crane, the winding has wire rope on electric block's the reel, wire rope's one end is fixed in on electric block's the shell, wire rope's the other end is walked around the assembly pulley that lifts by crane after fixing on electric block's reel, be provided with anti-collision roof mechanism with the top of the assembly pulley that lifts by crane on electric block's the shell, the hoisting machine who is connected with two bilateral symmetry settings can be dismantled at the both ends of mounting panel bottom, every hoisting machine all includes the subassembly that lifts by crane that two longitudinal symmetry set up, the vertical downward setting of subassembly that lifts by crane, the top of subassembly extends to the mounting panel top and can dismantle with the mounting panel and be connected with the hoist rope that is used for hoisting the heavy object between two hoisting machine's of same hoisting machine.

Preferably, the lifting assembly includes the jib that rises of vertical setting, the top that rises the jib runs through the mounting panel and extends to the mounting panel top, the outside threaded connection that is located the jib at mounting panel top has and is used for having the locking nut who plays jib and mounting panel locking fixed, the bottom that rises the jib extends to mounting panel below and fixedly connected with rings, the bottom cover of rings is equipped with and unloads, the bottom of going up the shackle can be dismantled and be connected with down the shackle, the bottom of corresponding the lower shackle that sets up is fixed respectively at the both ends of hoist and mount rope.

Preferably, scour protection top mechanism is including fixing the micro-gap switch on electric block's shell, and one side of micro-gap switch is provided with the trigger piece, and the free end downwardly extending of trigger piece reaches electric block's below, and the top of lifting pulley group is fixed with and triggers piece matched with adjustment sheet, and when adjustment sheet upward movement to contact with the trigger piece, the micro-gap switch can be touched to the trigger piece.

Preferably, the lifting pulley block comprises two vertical plates fixed at the top of the mounting plate and arranged at intervals, a pulley shaft horizontally arranged is rotatably connected between the two vertical plates, two pulleys arranged at intervals are fixedly sleeved outside the pulley shaft, the axis of each pulley extends along the left-right direction, and an adjusting sheet is fixed between the tops of the two vertical plates and located above the corresponding pulley.

Preferably, an anti-abrasion base plate is arranged between the top of the hoisting rope and the bottom of the weight.

The utility model has the advantages that: (1) the lifting pulley block is connected with the steel wire rope through the arrangement of the mounting plate and the lifting pulley block, the lifting component is directly connected to the bottom of the mounting plate, when a heavy object is lifted, a placing cavity for containing the heavy object is defined among the mounting plate, the lifting component and the lifting rope, the heavy object is placed in the placing cavity, the clearance occupation of the length of the lifting appliance is reduced, the clearance requirement is low, the lifting requirement of a low factory building can be well met, the flexibility is high, and the universality is strong; (2) through setting up micro-gap switch, trigger piece and adjustment sheet, when lifting by crane the assembly pulley and drive the adjustment sheet upward movement to with trigger the piece when contacting, trigger the piece and can touch micro-gap switch, micro-gap switch gives the controller with signal transmission, the motor stall of controller control electric block makes and lifts by crane the assembly pulley and stops upward movement, can restrict the maximum height that lifts by crane the assembly pulley and rise, avoid lifting by crane and bump between assembly pulley and the electric block, avoid taking place to dash and push up the accident, promote the security performance.

Drawings

Fig. 1 is a schematic structural view of the present invention in a use state;

FIG. 2 is a schematic structural view of the connection between the hoisting mechanism and the mounting plate;

fig. 3 is a schematic structural diagram of a spreader in the prior art.

Reference numerals: the device comprises an electric hoist 1, an electric hoist 2, a mounting plate 2, a vertical plate 3, a pulley shaft 4, a pulley 5, a pulley 6, a steel wire rope 7, a hoisting rope 8, a hoisting rod 9, a locking nut 10, a hoisting ring 11, an upper shackle 12, a lower shackle 13, an anti-abrasion base plate 14, a microswitch 15, a trigger piece 16, an adjusting piece 17, a cross beam 18 and a suspension arm.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

The direction of the microswitch 14 in fig. 1 is taken as the left, and the direction of the trigger piece 15 is taken as the right; the direction of the micro switch 14 is front and the direction of the electric hoist 1 is back.

As shown in fig. 1, the utility model discloses an electric block 1, electric block 1's below level is provided with mounting panel 2, and mounting panel 2 extends along the fore-and-aft direction, and the intermediate position at mounting panel 2 top can be dismantled and be connected with the assembly pulley that lifts by crane. The pulley block that lifts by crane is including fixing riser 3 that two intervals set up at mounting panel 2 top, and the riser 3 is vertical upwards to be set up, rotates between two risers 3 and is connected with the pulley spindle 4 that the level set up, and pulley spindle 4 outside fixed cover is equipped with pulley 5 that two intervals set up, and the axis of pulley 5 extends along controlling the direction. The winding of electric block 1 has wire rope 6, and wire rope 6's one end is fixed in on electric block 1's the shell, and the other end of wire rope 6 walks around pulley 5 after-fixing on electric block 1's the winding drum, is provided with anti-scour protection top mechanism on electric block 1's the shell and the top of lifting pulley group. The hoisting machine that is connected with two bilateral symmetry settings can be dismantled at the both ends of mounting panel 2 bottom, and every hoisting machine constructs all including two hoisting components that the front and back symmetry set up, and hoisting component sets up vertically downwards, and hoisting component's top extends to mounting panel 2 top and can dismantle with mounting panel 2 and be connected, can dismantle between two hoisting component's of same hoisting machine structure the bottom and be connected with the hoist and mount rope 7 that is used for hoisting the heavy object. As shown in fig. 2, the hoisting assembly comprises a vertically arranged hoisting rod 8, the top end of the hoisting rod 8 penetrates through the mounting plate 2 and extends to the upper side of the mounting plate 2, the external thread of the hoisting rod 8 positioned at the top of the mounting plate 2 is connected with a locking nut 9 used for locking and fixing the hoisting rod 8 and the mounting plate 2, the bottom end of the hoisting rod 8 extends to the lower side of the mounting plate 2 and is fixedly connected with a hoisting ring 10, the bottom of the hoisting ring 10 is sleeved with an upper shackle 11, the bottom of the upper shackle 11 is detachably connected with a lower shackle 12, and the two ends of the hoisting rope 7 are respectively fixed at the bottom of the lower shackle 12 correspondingly arranged. The length of mounting panel 2 along the fore-and-aft direction is greater than the width of heavy object, and the interval between two lifting rods 8 in each hoisting machine constructs all is greater than the width of heavy object, encloses into a chamber of placing that is used for holding the heavy object between mounting panel 2, lifting components and the hoist and mount rope 7, and the intracavity is being placed in to the heavy object. The mode of being connected for dismantling between jib 8 and mounting panel 2, and hoist and mount rope 7 loops through lower shackle 12, goes up shackle 11 and fixes in the below of rings 10, conveniently installs, dismantles jib 8 and hoist and mount rope 7, is convenient for maintain, change facilitate the use. When the anti-abrasion device is used, the anti-abrasion base plate 13 is laid between the top of the hoisting rope 7 and the bottom of a heavy object, and the hoisting rope 7 is prevented from scratching the surface of the heavy object.

As shown in fig. 1, the anti-bumping mechanism includes a micro switch 14 fixed on the housing of the electric hoist 1, one side of the micro switch 14 is provided with a trigger piece 15, the free end of the trigger piece 15 extends downwards to the lower part of the electric hoist 1, the top of the hoisting pulley block is fixed with an adjusting piece 16 matched with the trigger piece 15, the adjusting piece 16 is fixed between the tops of the two vertical plates 3 and located above the pulley 5, when the adjusting piece 16 moves upwards to contact with the trigger piece 15, the trigger piece 15 can touch the micro switch 14, the micro switch 14 transmits a signal to the controller, the controller controls the motor of the electric hoist 1 to stop running, so that the hoisting pulley block stops moving upwards, the maximum height of the hoisting pulley block to rise can be limited, and collision between the hoisting pulley block and the electric hoist 1 is avoided.

The utility model discloses a theory of operation and working process: when the device is used, an anti-abrasion base plate 13 is laid at the bottom of a heavy object, the height of the mounting plate 2 is adjusted through the steel wire rope 6, the mounting plate 2 falls to the top of the heavy object, the bottom of the mounting plate 2 is attached to the top of the heavy object, one end of a hoisting rope 7 is fixed at the bottom of a lower shackle 12 positioned on the rear side, the other end of the hoisting rope 7 bypasses the bottom of the anti-abrasion base plate 13 and is fixed at the bottom of the lower shackle 12 positioned on the front side, the length of the hoisting rod 8 extending out of the mounting plate 2 is adjusted, the distance between the hoisting rope 7 and the mounting plate 2 in the horizontal section is adjusted, the hoisting rope meets hoisting requirements of heavy objects with different thicknesses, a placing cavity for containing the heavy object is defined by the mounting plate 2, the heavy object is placed in the placing cavity, the electric hoist 1 is used for driving the heavy object to move up and down, and hoisting of the heavy object is completed; when the adjusting sheet 16 moves upwards to be in contact with the triggering sheet 15, the triggering sheet 15 can touch the micro switch 14, the micro switch 14 transmits a signal to the controller, and the controller controls the motor of the electric hoist 1 to stop running, so that the lifting pulley block stops moving upwards, the maximum height of the lifting pulley block can be limited, and the collision between the lifting pulley block and the electric hoist 1 is avoided.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims

1. The utility model provides a hoist suitable for short factory building, includes electric block, electric block's below level is provided with the mounting panel, and the mounting panel extends its characterized in that along the fore-and-aft direction: the intermediate position at mounting panel top can be dismantled and be connected with the lifting pulley group, the winding has wire rope on electric block's the reel, wire rope's one end is fixed in on electric block's the shell, wire rope's the other end is walked around lifting pulley group after-fixing on electric block's reel, be provided with anti-collision roof mechanism with lifting pulley group's top on electric block's the shell, the hoisting machine who is connected with two bilateral symmetry settings can be dismantled at the both ends of mounting panel bottom, every hoisting machine all includes the lifting components that two longitudinal symmetry set up, the vertical downward setting of lifting components, lifting components's top extends to the mounting panel top and can dismantle with the mounting panel and be connected, can dismantle between two lifting components's of same hoisting machine and be connected with the hoist rope that is used for hoisting the heavy object.

2. The lifting appliance suitable for the short factory building according to claim 1, wherein: the lifting assembly includes the jib that rises of vertical setting, the top of the jib runs through the mounting panel and extends to the mounting panel top, the outside threaded connection who is located the jib at mounting panel top has and is used for the locking nut who fixes jib and mounting panel locking, the bottom of the jib extends to mounting panel below and fixedly connected with rings, the bottom cover of rings is equipped with and unloads, the bottom of going up to unload can be dismantled and be connected with down and unload, the bottom of corresponding the lower of setting up of fixing respectively at the both ends of hoist and mount rope.

3. The lifting appliance suitable for the short plant according to claim 2, wherein: the scour protection top mechanism is including fixing the micro-gap switch on electric block's shell, and one side of micro-gap switch is provided with the trigger piece, and the free end downwardly extending of trigger piece reaches electric block's below, and the top of lifting pulley group is fixed with and triggers piece matched with adjustment sheet, when adjustment sheet upward movement to with trigger the piece when contacting, triggers the piece and can touch micro-gap switch.

4. The lifting appliance suitable for the short factory building according to claim 3, wherein: the pulley block that lifts by crane is including fixing the riser that two intervals set up at the mounting panel top, rotates between two risers and is connected with the pulley spindle that the level set up, and the fixed cover of pulley spindle outside is equipped with the pulley that two intervals set up, and the axis of pulley extends along left right direction, and the adjustment sheet is fixed between the top of two risers and is located the top of pulley.

5. A spreader suitable for use in low buildings according to any of claims 1 to 4, wherein: an anti-abrasion base plate is arranged between the top of the hoisting rope and the bottom of the heavy object.