CN219239011U

CN219239011U - Hoisting device

Info

Publication number: CN219239011U
Application number: CN202320695175.3U
Authority: CN
Inventors: 程富强; 李秉文; 党军平; 王冠平; 张强; 宋栋梁; 程思宇
Original assignee: Northwest Water Conservancy and Hydropower Engineering Co Ltd
Current assignee: Northwest Water Conservancy and Hydropower Engineering Co Ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-06-23
Anticipated expiration: 2033-03-31

Abstract

The utility model belongs to the technical field of construction devices, and particularly provides a hoisting device, which is connected to a fork frame of a forklift, wherein the fork frame comprises a vertical fork and a horizontal fork, the vertical fork is vertically arranged, the lower end of the vertical fork is transversely connected with the horizontal fork, the hoisting device comprises a main framework, an overhanging framework, an inclined strut and a lifting hook, the left end of the main framework is connected with the vertical fork of the fork frame, the upper end of the main framework is horizontally and rightly connected with the overhanging framework, the inclined strut is connected between the main framework and the overhanging framework, the lower end of the right end of the overhanging framework is connected with the lifting hook, and the problems that the condition of the topography environment of the construction site is limited, the time consumed for moving a large crane is long, the time consumed for installing a guardrail template in place is long, the high-altitude operation time is long and the safety risk is large are solved.

Description

Hoisting device

Technical Field

The utility model belongs to the technical field of construction devices, and particularly relates to a hoisting device.

Background

In the construction of bridges, in order to prevent vehicles from rushing out of the road or falling under the road or the bridge to cause larger loss, crash barriers are usually arranged on two sides of the bridge deck. Although the anti-collision guardrail is simple in appearance, the details of template installation are very important, the templates are usually steel templates, the front and the back are connected through pull rods, the left and the right are connected through screws, the length of a single template is generally 1.5m, the height is 1m, the weight is 250Kg, and the anti-collision guardrail can not be carried by manpower and can only be constructed by assisting a large crane. Because of the limit of the topography environmental conditions of the construction site, the moving and transferring of the large crane takes much time, the installation of the templates in place takes much time, the duration of the workers working at high altitude is long, and the safety risk is high.

The Chinese patent document with the publication number of CN212832627U discloses a hoisting device, which comprises a mounting frame, a connecting beam fixedly connected with one end of the mounting frame, a main bearing beam with one end fixedly connected with the connecting beam, a supporting beam fixedly arranged at the other end of the mounting frame and fixedly connected with the main bearing beam, and a hoisting piece fixedly arranged at the other end of the main bearing beam. The lifting device is arranged on the fork of the forklift, and indirectly prolongs the working length of the fork, so that the defect of low efficiency when the original fork is short in length and large packaged products are forked is overcome. According to the technical scheme, a hook is arranged at the right end of a main bearing beam, and is used for hoisting, and wire or rope matching is needed when the hook is hoisted, so that stability is poor after hoisting; meanwhile, in order to simplify stress, all parts are fixed through welding, so that the forklift can only be used in a modified structure, and is not easy to disassemble.

Disclosure of Invention

The hoisting device provided by the utility model aims to solve the problems that in the prior art, because of the limit of the topography environmental conditions of a construction site, the moving and transferring of a large crane takes much time, the installation of a guardrail template in place takes much time, the duration of the operation of workers at high altitude is long, and the safety risk is high.

The utility model provides a lifting device which is connected to a fork frame of a forklift, wherein the fork frame comprises a vertical fork and a horizontal fork, the vertical fork is vertically arranged, the lower end of the vertical fork is transversely connected with the horizontal fork, the lifting device comprises a main framework, an overhanging framework, an inclined strut and a lifting hook, the left end of the main framework is connected with the vertical fork of the fork frame, the upper end of the main framework is horizontally and rightly connected with the overhanging framework, the inclined strut is connected between the main framework and the overhanging framework, and the lower end of the right end of the overhanging framework is connected with the lifting hook.

Preferably, the main framework comprises a first main rod, a second main rod and a third main rod, wherein the first main rod and the second main rod are connected with the vertical fork at intervals from front to back, the first main rod and the second main rod are vertically arranged, and the third main rod is connected between the upper end of the first main rod and the upper end of the second main rod.

Preferably, the cantilever framework comprises a cantilever rod I and a cantilever rod II, the upper end right of the main rod I is connected with the cantilever rod I, the upper end right of the main rod II is connected with the cantilever rod II, and the lower parts of the right end part of the cantilever rod I and the lower parts of the right end part of the cantilever rod II are respectively connected with the lifting hook.

Preferably, the diagonal bracing frame comprises a diagonal rod I and a diagonal rod II, wherein the diagonal rod I is connected between the lower part of the main rod I and the middle part of the cantilever rod I, and the diagonal rod II is connected between the lower part of the main rod II and the middle part of the cantilever rod II.

Preferably, the distance and the direction between the first cantilever rod and the second cantilever rod are the same as the distance and the direction between the forks of the transverse fork.

Preferably, the first main rod and the second main rod are connected with the vertical fork through bolts.

Preferably, the diagonal bracing frame adopts galvanized steel pipes.

Preferably, the length of the cantilever rod I and the cantilever rod II is larger than that of the transverse fork.

Preferably, the cantilever framework further comprises a first extension rod and a second extension rod, the right end of the first cantilever rod is connected with the first extension rod, the right end of the second cantilever rod is connected with the second extension rod, and the first extension rod and the second extension rod are both connected with the lifting hook.

Preferably, the first extension rod is positioned on the right side of the lifting hook on the first suspension rod, and the second extension rod is positioned on the right side of the lifting hook on the second suspension rod.

The utility model has the beneficial effects that:

1. the lifting device comprises the main framework, the cantilever framework, the inclined support and the lifting hook, wherein the main framework is connected with the vertical fork through the bolts, so that the lifting device is fixedly connected to the fork frame of the forklift, the guardrail template is lifted and installed, after the operation is completed, the bolts are unscrewed, the lifting device can be detached, the fork of the forklift can be continuously used, and the main framework, the cantilever framework and the inclined support are welded into a whole, so that the lifting device is simple in stress and stable in structure.

2. According to the lifting device provided by the utility model, the right end part of the cantilever rod I and the right end part of the cantilever rod II are both connected with the lifting hook downwards, the stress point is more than 2 points, the stress is balanced, the stability is good when the guardrail template is lifted, the accurate positioning of the guardrail template is ensured, and the installation precision and the installation efficiency are improved.

3. According to the hoisting device provided by the utility model, the first inclined rod is connected between the lower part of the first main rod and the middle part of the first cantilever rod, and the second inclined rod is connected between the lower part of the second main rod and the middle part of the second cantilever rod, so that the hoisting device can resist lateral and vertical pressure born by the hoisting device and prevent the hoisting device from deforming.

4. According to the lifting device provided by the utility model, the right end of the first cantilever rod is connected with the first extension rod, the right end of the second cantilever rod is connected with the second extension rod, the first extension rod and the second extension rod are both connected with the lifting hooks, when a limited forklift on site cannot move, the length of the cantilever rod is increased by connecting the first extension rod and the second extension rod on the cantilever rods, and the lifting device is convenient to lift and good in practicability and applicability.

Drawings

The present utility model will be described in further detail with reference to the accompanying drawings.

FIG. 1 is an overall block diagram of a lifting device mounted on a fork carriage of a forklift;

FIG. 2 is a front elevational view of the structure of FIG. 1;

fig. 3 is a structural view of the lifting device.

Reference numerals illustrate: 1. a main skeleton; 2. overhanging framework; 3. bolt holes; 4. a diagonal bracing frame; 5. a lifting hook; 6. a fork rack; 11. a first main rod; 12. a second main rod; 13. a third main rod; 21. a first suspension rod; 22. a second suspension rod; 23. extension rod one; 24. extension rod II; 41. a first inclined rod; 42. and a second inclined rod.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model. The specific conditions are not noted in the examples and are carried out according to conventional conditions or conditions recommended by the manufacturer.

Example 1:

as shown in fig. 1-3, a lifting device is connected to a fork frame 6 of a forklift, the fork frame 6 comprises a vertical fork and a horizontal fork, the vertical fork is vertically arranged, the lower end of the vertical fork is transversely connected with the horizontal fork, the lifting device comprises a main framework 1, an overhanging framework 2, an inclined strut 4 and a lifting hook 5, the left end of the main framework 1 is connected with the vertical fork of the fork frame 6, the upper end of the main framework 1 is horizontally and rightly connected with the overhanging framework 2, the inclined strut 4 is connected between the main framework 1 and the overhanging framework 2, and the lower end of the right end of the overhanging framework 2 is connected with the lifting hook 5.

The main framework 1, the overhanging framework 2 and the inclined strut 4 are all required to be processed in advance, and the lifting hook 5 adopts a customized formed lifting hook product to play a role in hanging a steel wire rope of the guardrail template; the hoisting device is connected with a steel wire rope through a lifting hook to install the anti-collision guardrail template; specifically, after the main framework 1, the overhanging framework 2 and the diagonal bracing frame 4 are welded into a whole, the stress is simple, and the structure is stable.

Specifically, the main framework 1 is arranged at the top of a fork frame vertical fork and is used for connecting and fixing forklift power equipment; the overhanging framework 2 is arranged right in front of the main framework 1 and is used for fixedly installing a hanging hook; the inclined strut 4 is used for resisting lateral and vertical pressure born by the hoisting device and preventing the hoisting device from deforming; the fork frame 6 is arranged on the sliding bracket and is a tool for bearing materials.

Example 2:

on the basis of embodiment 1, the main framework 1 comprises a first main rod 11, a second main rod 12 and a third main rod 13, wherein the first main rod 11 and the second main rod 12 are connected with vertical forks at intervals from front to back, the first main rod 11 and the second main rod 12 are vertically arranged, and the third main rod 13 is connected between the upper end of the first main rod 11 and the upper end of the second main rod 12.

The structure is convenient for connecting the vertical fork of the fork frame 6 and the cantilever framework 2 respectively, and has simple structure, and each part of the hoisting device is connected into a whole through the structure, so that the stress is simple and stable.

Preferably, the cantilever framework 2 comprises a cantilever rod 21 and a cantilever rod 22, the upper end of the first main rod 11 is connected with the cantilever rod 21 in a right mode, the upper end of the second main rod 12 is connected with the cantilever rod 22 in a right mode, and the lifting hooks 5 are connected below the right end of the cantilever rod 21 and below the right end of the cantilever rod 22.

The lifting hook 5 is connected under the right end part of the first cantilever rod 21 and the right end part of the second cantilever rod 22, the stress point is more than 2 points, the stress is balanced, and the stability is good when the guardrail template is lifted, so that the accurate positioning of the guardrail template is ensured, and the installation accuracy and the installation efficiency are improved.

Preferably, the diagonal brace 4 comprises a diagonal rod 41 and a diagonal rod 42, the diagonal rod 41 is connected between the lower part of the main rod 11 and the middle part of the cantilever rod 21, and the diagonal rod 42 is connected between the lower part of the main rod 12 and the middle part of the cantilever rod 22.

The first inclined rod 41 and the second inclined rod 42 are used for resisting lateral and vertical pressure born by the hoisting device and preventing the hoisting device from deforming.

Preferably, the distance and the direction between the first cantilever rod 21 and the second cantilever rod 22 are the same as the distance and the direction between the forks of the transverse fork. The hanging hook 5 is convenient to fixedly mount and convenient to hoist.

Preferably, the first main rod 11 and the second main rod 12 are connected with the vertical fork through bolts.

Namely, the main framework 1 is connected with the vertical fork through a bolt, so that the lifting device is fixedly connected to the fork frame of the forklift, the guardrail template is lifted and installed, after the operation is completed, the lifting device can be detached by unscrewing the bolt, the fork of the forklift can be further used, and the main framework 1, the cantilever framework 2 and the diagonal bracing frame 4 are welded into a whole, so that the lifting device is simple in stress and stable in structure.

Specifically, bolt holes 3 are formed in the first main rod 11 and the second main rod 12, bolts penetrate through the bolt holes 3 during connection to connect the first main rod and the second main rod on the vertical fork, distribution of the bolt holes 3 is carried out according to actual conditions, and stability of a structure after connection is guaranteed.

Preferably, the main framework 1, the overhanging framework 2 and the diagonal bracing frame 4 are welded into a whole, and after the main framework 1, the overhanging framework 2 and the diagonal bracing frame 4 are welded into a whole, the stress is simple and the structure is stable.

Preferably, the diagonal brace 4 is a galvanized steel pipe. The galvanized steel pipe has good bearing capacity, long service life, corrosion resistance and good stability.

Preferably, the length of the first cantilever rod 21 and the second cantilever rod 22 is larger than that of the transverse fork. The hanging hook 5 is convenient to fixedly mount and convenient to hoist.

Preferably, the cantilever framework 2 further comprises a first extension rod 23 and a second extension rod 24, the right end of the first cantilever rod 21 is connected with the first extension rod 23, the right end of the second cantilever rod 22 is connected with the second extension rod 24, and the first extension rod 23 and the second extension rod 24 are both connected with the lifting hook 5.

When the limited fork truck in place can not move, the length of the cantilever rod is increased by connecting the extension rods (the extension rod I23 and the extension rod II 24) on the cantilever rods (the cantilever rod I21 and the cantilever rod II 22), so that the fork truck is convenient to lift under the condition of not moving, and the practicability and the applicability are good.

Preferably, the first extension rod 23 is located on the right side of the lifting hook 5 on the first suspension rod 21, and the second extension rod 24 is located on the right side of the lifting hook 5 on the second suspension rod 22.

The extension rod is positioned on the right side of the cantilever lifting hook 5, a bolt hole is not required to be formed in the cantilever rod at the left side of the lifting hook 5 on the cantilever rod, the structure of the cantilever rod is not damaged, the stress of the cantilever rod is not influenced, and the bearing force is better; specifically, bolt holes I are formed in the first cantilever rod 21 and the second cantilever rod 22, the first bolt hole in the first cantilever rod 21 is located on the right of the lifting hook 5 on the first cantilever rod 21, the first bolt hole in the second cantilever rod 22 is located on the right of the lifting hook 5 on the second cantilever rod 22, and the bolt connection is detachable connection.

Specifically, when the extension rod is used, in order to improve stability, an extension inclined rod may be connected between the lower part of the first main rod 11 and the first cantilever rod 21, and between the lower part of the second main rod 12 and the second cantilever rod 22, so as to improve stability of the structure during hoisting.

The quantity of lifting hooks 5 on the first cantilever rod 21 and the second cantilever rod 22 can be multiple, and the lifting hooks are distributed according to the situation, so that the lifting requirements are met, and the practicability and the applicability are strong.

The using method of the hoisting device comprises the following steps:

the main framework 1, the overhanging framework 2, the diagonal bracing frame 4 and the lifting hook 5 are connected into a whole, then the fixing bolts penetrate through the bolt holes 3 to fix the structure and the small forklift which are connected into a whole, the lifting hook 5 is connected with a steel wire rope on the guardrail template during lifting, the lifting hook 5 is driven to move by controlling the small forklift, and after the guardrail template is driven to move to a target installation position by the lifting hook 5, the installation of the guardrail template is completed by manual cooperation. Through repacking and optimizing small-size fork truck, can be safe and stable remove the appointed position with the guardrail template, improve construction operation precision greatly, reduce safe operation risk. After the operation is completed, the bolts are unscrewed, the lifting device is disassembled, and the forklift fork can be further used.

When the guardrail template is installed and constructed on site, the outer guardrail template is installed by adopting a detachable working vehicle (lifting device), and a working platform is fixedly operated by matching with a hanging basket, so that a worker can conveniently adjust the position of the template and reinforce the template. The outer side guardrail template and the inner side guardrail template are connected at the top by adopting steel bars, wherein the inner side guardrail template is fixedly connected by adopting double bolts, and the outer side guardrail template is hinged by adopting single bolts; the lower opening is fixed by the pull rod, so that the pull rod is conveniently constructed and circulated, the PVC pipe is sleeved outside the pull rod for protection, and the pull rod is pulled out and circulated after construction is finished.

It should be noted that, the guardrail template in the embodiment is a template in the background technology, the structures of the first main rod 11 and the second main rod 12 are the same or different, the structures of the first cantilever rod 21 and the second cantilever rod 22 are the same or different, the structures of the first extension rod 23 and the second extension rod 24 are the same or different, and the structures of the first diagonal rod 41 and the second diagonal rod 42 are the same or different.

In the description of the present utility model, it should be understood that, if any, the terms "front," "interior," "right," and the like indicate an orientation or a positional relationship based on that shown in the drawings, rather than indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus the terms describing the positional relationship in the drawings are for illustration only and are not to be construed as limiting the utility model.

The foregoing examples are merely illustrative of the present utility model and are not intended to limit the scope of the present utility model, and all designs that are the same or similar to the present utility model are within the scope of the present utility model.

Claims

1. Hoist device, hoist device links on fork truck's fork frame (6), and fork frame (6) are including erecting fork and horizontal fork, erects the vertical setting of fork, erects the horizontal fork of fork lower extreme transverse connection, its characterized in that: hoist device includes main skeleton (1), skeleton (2) of encorbelmenting, bracing frame (4) and lifting hook (5), and the vertical fork of fork frame (6) is connected to main skeleton (1) left side, and skeleton (2) of encorbelmenting is connected to the upper end level right side of main skeleton (1), connects between main skeleton (1) and skeleton (2) of encorbelmenting to bracing frame (4), connects lifting hook (5) under the right-hand member portion of skeleton (2) of encorbelmenting.

2. The lifting device of claim 1, wherein: the main framework (1) comprises a first main rod (11), a second main rod (12) and a third main rod (13), wherein the first main rod (11) and the second main rod (12) are connected with vertical forks at intervals from front to back, the first main rod (11) and the second main rod (12) are vertically arranged, and the third main rod (13) is connected between the upper end of the first main rod (11) and the upper end of the second main rod (12).

3. The lifting device of claim 1, wherein: the cantilever framework (2) comprises a cantilever rod I (21) and a cantilever rod II (22), the cantilever rod I (21) is connected to the right of the upper end of the main rod I (11), the cantilever rod II (22) is connected to the right of the upper end of the main rod II (12), and the lifting hooks (5) are connected to the lower part of the right end part of the cantilever rod I (21) and the lower part of the right end part of the cantilever rod II (22).

4. The lifting device of claim 1, wherein: the diagonal bracing frame (4) comprises a diagonal rod I (41) and a diagonal rod II (42), the diagonal rod I (41) is connected between the lower part of the main rod I (11) and the middle part of the cantilever rod I (21), and the diagonal rod II (42) is connected between the lower part of the main rod II (12) and the middle part of the cantilever rod II (22).

5. A lifting device according to claim 3, wherein: the distance and the direction of the cantilever first rod (21) and the cantilever second rod (22) are the same as the distance and the direction of the fork of the transverse fork.

6. The lifting device of claim 2, wherein: the first main rod (11) and the second main rod (12) are connected with the vertical fork through bolts.

7. The lifting device of claim 1, wherein: the diagonal bracing frame (4) adopts galvanized steel pipes.

8. A lifting device according to claim 3, wherein: the length of the cantilever first rod (21) and the cantilever second rod (22) is larger than that of the transverse fork.

9. A lifting device according to claim 3, wherein: the cantilever framework (2) further comprises a first extension rod (23) and a second extension rod (24), the right end of the first cantilever rod (21) is connected with the first extension rod (23), the right end of the second cantilever rod (22) is connected with the second extension rod (24), and the first extension rod (23) and the second extension rod (24) are both connected with the lifting hook (5) downwards.

10. The lifting device of claim 9, wherein: the first extension rod (23) is positioned on the right side of the lifting hook (5) on the first suspension rod (21), and the second extension rod (24) is positioned on the right side of the lifting hook (5) on the second suspension rod (22).