CN113896147A

CN113896147A - Hoisting device

Info

Publication number: CN113896147A
Application number: CN202111270888.7A
Authority: CN
Inventors: 樊伟成; 叶学彬; 王国章; 叶凯辰
Original assignee: Guangdong Power Grid Co Ltd; Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
Current assignee: Guangdong Power Grid Co Ltd; Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-01-07

Abstract

The invention relates to the technical field of electric power overhaul equipment and discloses a lifting device. The lifting device comprises a support body assembly, lifting assemblies and hanging assemblies, wherein the support body assembly is provided with two groups, the two groups of support body assemblies are arranged at intervals, a group of lifting assemblies are arranged on each group of support body assembly, each hanging assembly comprises a lifting rod and two groups of hanging pieces, the two ends of each hanging assembly are connected with the corresponding group of lifting assemblies respectively, each lifting assembly is configured to adjust the height of the lifting rod, and the two hanging pieces are movably arranged on the lifting rod and can be close to or far away from each other. The heights of the two ends of the lifting rod are respectively adjusted by arranging the two groups of lifting assemblies, so that the lifting rod can be in an inclined state, and the well cover which is installed in an inclined mode can be conveniently and stably lifted. In addition, the two hoisting pieces are movably arranged on the hoisting rod and can be close to or far away from each other, so that the hoisting pieces can adapt to well lids of various sizes, and the universality of the hoisting device is improved.

Description

Hoisting device

Technical Field

The invention relates to the technical field of electric power overhaul equipment, in particular to a lifting device.

Background

With the rapid progress of the development of the urbanization of the economy, the underground cable slowly replaces the electric power frame fixing line, and the underground cable of the city is laid more and more. The cable laying area is called a cable corridor, and generally, a cable well is arranged at intervals, and a cable well cover is required for the cable well. When carrying out city underground cable operation, need open the cable well lid earlier and carry out the operation again, and some cable well lid is because of the long-time maintenance of losing, hardly pries the cable well lid with general mode of opening. And when every plan work maintenance, the opening of these cable well lids with transport very consume the manpower, influence work efficiency, can bring hidden safety risk especially.

At present, the cable well lid is lifted in three modes, one mode is that a large-scale crane is adopted to lift the cable well lid. When the crane works, the occupied area is large, the crane is inconvenient to use in occasions with small construction areas, and manpower and material resources are consumed too much; the other mode is totally dependent on the manual work, and four at least constructors use the manpower to lift up cable well lid, and the cable well lid installation live time in most places is longer, receives influence such as rainwater, earth, and cable well lid and cable well are corroded and become a whole, use ordinary cable well lid hook normally to open, especially in plum rain season, only throw into 1 ~ 2 operating personnel and be difficult to open cable well lid. And because of the apron weight of cable well lid is great, the easy appearance falls when relying on the manual work to lead to the cable well lid damaged or injure operating personnel by a crashing object, there is very big potential safety hazard. The third type is hoisting accessory commonly used in the operation at present, can hoist the cable well lid on the horizontal plane safely, but receives hoisting accessory's structural constraint, and to the cable well lid of slope installation, current hoisting accessory can't hoist, can't adapt to not unidimensional cable well lid moreover.

Disclosure of Invention

The invention aims to provide a lifting device, which solves the problems that the existing lifting device cannot lift a well lid which is obliquely installed and cannot adapt to well lids of different sizes.

In order to achieve the purpose, the invention adopts the following technical scheme:

a lifting device, comprising:

the rack body assemblies are arranged in two groups, and the two groups of rack body assemblies are arranged at intervals;

each frame body assembly is provided with a lifting assembly; and

the hanging connection assembly comprises a lifting rod and two groups of hanging connection pieces, wherein two ends of the lifting rod are respectively connected with the lifting assembly, the lifting assembly is configured to adjust the height of the lifting rod, and the two hanging connection pieces are movably arranged on the lifting rod and can be close to or far away from each other.

As an alternative, the lifting assembly comprises:

one end of the supporting device is connected with the frame body assembly, and the other end of the supporting device is provided with a pulley assembly; and

and the winding device is arranged on the frame body assembly and/or the supporting device, and a lifting rope of the winding device is connected with the lifting rod after bypassing the pulley assembly.

As an alternative, the hanger includes:

the sleeve is sleeved on the lifting rod and can slide along the lifting rod; and

the hook is connected to the sleeve and used for hooking a lifted object.

Alternatively, the hook is hinged to the sleeve.

As an alternative, the hoisting device further comprises:

control means electrically connected to the furling means, the control means configured to control the starting and stopping of the furling means.

As an alternative, the hoisting device further comprises:

and the remote control device is in communication connection with the control device and is used for sending an action instruction to the control device.

As an alternative, each set of the furling devices is electrically connected with one set of the control devices, and each set of the control devices is respectively in communication connection with one remote control device.

As an alternative, the magazine assembly comprises:

a mounting frame; and

and the rollers are arranged at the bottom of the mounting frame.

Alternatively, the rollers are universal wheels.

Alternatively, a locking assembly is provided on the roller to selectively roll or lock the roller in a preset position.

The invention has the beneficial effects that:

the hoisting device comprises frame body assemblies, hoisting assemblies and hanging assemblies, wherein the two sets of frame body assemblies are arranged at intervals, one set of hoisting assembly is arranged on each set of frame body assembly, each hanging assembly comprises a hoisting rod and two sets of hanging pieces, two ends of each hanging assembly are respectively connected with one set of hoisting assembly, the hoisting assemblies can adjust the heights of the hoisting rods, the two sets of hoisting assemblies are arranged to respectively adjust the heights of the two ends of each hoisting rod, the hoisting rods can be in an inclined state, and the well covers which are obliquely installed can be conveniently and stably hoisted. In addition, the two hoisting pieces are movably arranged on the hoisting rod and can be close to or far away from each other, so that the hoisting pieces can adapt to well lids of various sizes, and the universality of the hoisting device is improved.

Drawings

Fig. 1 is a schematic structural diagram of a lifting device provided by the invention.

In the figure:

100. a frame assembly; 110. a mounting frame; 120. a roller;

200. a hoisting assembly; 210. a winding device; 211. lifting a lifting rope; 220. a support device; 230. a sheave assembly;

300. a hitch assembly; 310. lifting the suspender; 320. hoisting a connecting piece; 321. a sleeve; 322. and (4) hanging hooks.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", "left", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The first embodiment is as follows:

the underground cable has the advantages of high safety, attractive appearance, small occupied space and the like, so that the underground cable is more and more widely applied to urban construction. In the area where underground cables are laid, a cable well is arranged at intervals, so that the cables can be conveniently overhauled and maintained. The cable shaft is covered with a well cover, and the well cover is opened to enter the cable shaft for operation. All reserve on the well lid and have the opening hole, the setting of opening the hole can guarantee on the one hand that underground piping is interior the same with external atmospheric pressure, and on the other hand is convenient for lift by crane the instrument and is stretched into the opening hole and lift the well lid. The well lid lifts by crane the operation and is the necessary step of carrying out cable maintenance, and the cable hoisting accessory among the prior art is higher to installation space's requirement, can't be applied to the subaerial well lid of unevenness and lifts by crane, and inconvenient when the well lid inclines hoist the well lid, and two distances of opening between the hole on the well lid of different sizes are different in addition generally, and current hoisting accessory can't adjust in a flexible way in order to be applicable to the well lid of various sizes.

In order to solve the above problem, as shown in fig. 1, the present embodiment provides a lifting device, including support body assembly 100, lifting component 200 and articulate the subassembly 300, support body assembly 100 is provided with two sets ofly, and two sets of support body assemblies 100 are arranged at intervals to be located the both sides of the well lid of waiting to lift by crane respectively, all be provided with a set of lifting component 200 on every support body assembly 100 of group. The hitching assembly 300 comprises a lifting rod 310 and two groups of hoisting pieces 320, wherein two ends of the lifting rod 310 are respectively connected with a group of hoisting assemblies 200, the hoisting assemblies 200 can adjust the height of the lifting rod 310, and the two hoisting pieces 320 are movably arranged on the lifting rod 310 and can be close to or far away from each other.

Because two sets of support body subassemblies 100 are the components of a whole that can function independently structure, can install respectively on different horizontal planes, when the ground is uneven around the well lid, find two relatively smooth less area regions carry out support body subassembly 100's installation can, and need not level whole region for the coplanar. The hoisting assemblies 200 are provided with two groups, the heights of the two ends of the hoisting rod 310 can be respectively adjusted, and the height of the hoisting piece 320 can be flexibly adjusted to stably hoist the well lid aiming at the condition that the well lid is inclined. In addition, two hoisting members 320 are movably arranged on the hoisting rod 310 and can be close to or far away from each other, when the manhole covers with different sizes need to be hoisted, only the distance between the two hoisting members 320 needs to be adjusted, and the operation is convenient.

Further, as shown in fig. 1, the frame assembly 100 includes a mounting frame 110 and a plurality of rollers 120, and the plurality of rollers 120 are disposed at the bottom of the mounting frame 110 to facilitate moving the mounting frame 110. Particularly, the mounting rack 110 is of a frame structure, is light in weight and convenient to carry, has a stable structure, and can provide stable support for the hoisting assembly 200. In this embodiment, the mounting bracket 110 is a rectangular frame structure, and is simple in structure and convenient to manufacture. A roller 120 is disposed at each of four corners of the mounting frame 110.

Preferably, the roller 120 is a universal wheel, which can rotate in all directions, so that the mounting frame 110 can be moved more conveniently. In this embodiment, the roller 120 is connected to the mounting frame 110 through a bolt, so as to be conveniently disassembled, assembled and replaced, and of course, other connection methods may be adopted, so that the roller 120 may be connected to the mounting frame 110, which is not limited herein.

Preferably, a locking assembly is provided on the roller 120 to selectively roll or lock the roller 120 at a preset position. The locking assembly locks the universal wheels when the well lid is lifted, so that the mounting frame 110 is prevented from moving, and the safety and stability of the lifting work are ensured. Specifically, the structure of the locking assembly belongs to the conventional technology, and is not described in detail herein.

Further, as shown in fig. 1, the lifting assembly 200 includes a supporting device 220 and a furling device 210, one end of the supporting device 220 is connected to the frame assembly 100, and the other end is provided with a pulley assembly 230, and the furling device 210 is disposed on the frame assembly 100 and/or the supporting device 220, that is, the furling device 210 may be disposed on the frame assembly 100, or may be disposed on the supporting device 220, or may be disposed on the frame assembly 100 and the supporting device 220. The lifting rope 211 of the furling device 210 passes around the pulley assembly 230 and is connected with the lifting rod 310.

Preferably, the last draw-in groove that is provided with of jib 310 rises, in the draw-in groove was gone into to the lifting rope 211 card, can effectively improve the steadiness that lifting rope 211 and the jib 310 are connected, prevent that lifting rope 211 and lifting rope 310 break away from and cause the well lid to fall.

In this embodiment, strutting arrangement 220 is the horizontal pole, and the horizontal pole is preferably adopted bolted connection with support body subassembly 100, conveniently carries out the dismouting, and work completion back demountable comes, conveniently transports and stores. Of course, the cross rod and the frame body assembly 100 can be connected in a welding mode, the connection is firm, the strength is better, and the well cover lifting device is suitable for well covers with large lifting weight.

Further, the furling device 210 further comprises a hoisting motor and a rotating shaft, the hoisting motor is arranged on the mounting frame 110 or the supporting device 220, of course, the hoisting motor can also be arranged on both the mounting frame 110 and the supporting device 220, the hoisting rope 211 is wound on the rotating shaft, and the hoisting motor rotates to drive the rotating shaft to rotate forwards and backwards, so that the hoisting rope 211 is wound and unwound.

Further, the hoisting device further comprises a control device, the control device is electrically connected with the hoisting motor of the winding device 210, and the control device can control the starting and stopping of the hoisting motor so as to realize the winding and unwinding of the hoisting rope 211. The control device comprises a control box body and a controller, the controller is arranged in the control box body, and the controller is used for controlling the hoisting motor to start and stop. The control box body is provided with a control key outside, and the control key is used for controlling the controller. The bottom of the control box body is provided with a power supply which is used for supplying power to the controller and the hoisting motor.

The control device is generally arranged near the mounting frame 110, and when a control key on the control box body is operated, the control key is close to the well lid, so that potential safety hazards still exist. Therefore, the hoisting device in the embodiment is further provided with a remote control device, and the remote control device is in communication connection with the control device and is used for sending an action instruction to the control device so as to control the starting and stopping of the hoisting motor.

Preferably, each set of furling devices 210 is electrically connected to a set of control devices, and each set of control devices is respectively connected to a remote control device in a communication manner, so that the height of the corresponding end of the boom 310 can be conveniently adjusted by a remote control device, and the adjustment is flexible. It should be noted that in other embodiments, a remote control device may be provided, which can adjust the controllers of the two furling devices 210, i.e. can adjust the heights of the two ends of the boom 310.

Further, the hanging member 320 includes a sleeve 321 and a hook 322, the sleeve 321 is sleeved on the lifting rod 310 and can slide along the lifting rod 310, the hook 322 is connected to the sleeve 321, and the hook 322 is used for hanging the lifted object. The distance between the two hooks 322 is adjusted by sliding the sleeve 321 on the lifting rod 310, so that the lifting device can be suitable for well covers of various sizes.

Preferably, couple 322 and sleeve pipe 321 are articulated mutually, and couple 322 can rotate certain angle relative to sleeve pipe 321, conveniently stretches into the opening hole on the well lid with couple 322.

Further, couple 322 sets up to the L type, including vertical pole and horizon bar, and vertical pole upper end is articulated mutually with sleeve pipe 321, and the horizon bar is connected to the lower extreme, is convenient for articulate with the hole of opening on the well lid. Preferably, the vertical rods are connected with the horizontal rods in a welding mode, and the connection is firm. The length of horizontal pole is greater than the diameter in the hole of opening on the well lid to the horizontal pole can block in the well lid inboard and can not deviate from opening the hole when guaranteeing to lift by crane. Because the vertical rod is hinged with the sleeve 321, the vertical rod can rotate relative to the sleeve 321, so that one end of the horizontal rod connected with the vertical rod is driven to incline upwards, and the horizontal rod can stretch into the opening hole even if the length of the horizontal rod is larger than the diameter of the opening hole.

The working process is as follows:

firstly, the hoisting device is moved to the position where the well lid is hoisted in advance, so that the two groups of frame body assemblies 100 are respectively positioned at two sides of the well lid. The position of the sleeve 321 on the lifting rod 310 is adjusted to enable the two hooks 322 to be respectively aligned with the two opening holes on the well lid;

then, operating a control key or a corresponding key on a remote control device, starting a hoisting motor to enable the hanging component 300 to move downwards until the hook 322 reaches the surface of the well lid, pressing a pause key to enable the hook 322 to stop moving, and extending the hook 322 into an opening hole in the well lid to be hung on the inner side of the well lid;

then, the lifting motor is rotated reversely by pressing the corresponding key, the lifting assembly 200 drives the hanging assembly 300 to move upwards to lift the well lid, and then the well lid is stably placed on the ground.

Example two:

the hoisting device provided by the embodiment is basically the same as the hoisting device provided by the first embodiment, and the difference is that: the sleeve 321 is provided with a stopper, so that the sleeve 321 can be fixed at a certain position of the lifting rod 310, and the sleeve 321 is prevented from sliding randomly to influence the lifting stability. In this embodiment, the stop member is a bolt, a through threaded hole is provided in the side wall of the sleeve 321, and the bolt can be screwed into and out of the threaded hole. When the bolt is screwed into the threaded hole, the bolt can abut against the lifting rod 310, and the sleeve 321 is effectively prevented from sliding on the lifting rod 310; when the distance between the two hooks 322 needs to be adjusted, the bolts are loosened, and the sleeve 321 can slide along the lifting rod 310 to a desired position. It should be noted that the choice of the stop is not limited to the bolt, and in other embodiments, a stop with another structure may be used as long as the sleeve 321 can be locked and unlocked.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A hoisting device, comprising:

the rack body assemblies (100) are arranged in two groups, and the two groups of rack body assemblies (100) are arranged at intervals;

each group of frame body assemblies (100) is provided with a group of lifting assemblies (200); and

the hitching assembly (300) comprises a lifting rod (310) and two groups of lifting pieces (320), wherein two ends of the lifting rod (310) are respectively connected with one group of lifting pieces (200), the lifting pieces (200) are configured to adjust the height of the lifting rod (310), and the two lifting pieces (320) are movably arranged on the lifting rod (310) and can be close to or far away from each other.

2. Hoisting device as claimed in claim 1, characterized in that said hoisting assembly (200) comprises:

one end of the supporting device (220) is connected with the frame body assembly (100), and the other end of the supporting device (220) is provided with a pulley assembly (230); and

the furling device (210) is arranged on the frame body assembly (100) and/or the supporting device (220), and a lifting rope (211) of the furling device (210) is connected with the lifting rod (310) after bypassing the pulley assembly (230).

3. The hoisting device of claim 1, wherein the hoist (320) comprises:

the sleeve (321) is sleeved on the lifting rod (310) and can slide along the lifting rod (310); and

the hook (322), the couple (322) connect to the sleeve pipe (321), the couple (322) is used for hanging and lifts by crane the thing.

4. Hoisting device as claimed in claim 3, characterized in that the hook (322) is hinged to the sleeve (321).

5. The hoisting device of claim 2, further comprising:

control means electrically connected to said furling means (210), said control means configured to control the starting and stopping of said furling means (210).

6. The lift of claim 5, further comprising:

7. A hoisting device as claimed in claim 6, wherein each set of said furling means (210) is electrically connected to a set of said control means, each set of said control means being communicatively connected to a respective said remote control means.

8. Hoisting device according to any one of claims 1-7, characterized in that the magazine assembly (100) comprises:

a mounting frame (110); and

and the rollers (120) are arranged at the bottom of the mounting frame (110).

9. Hoisting device as claimed in claim 8, characterized in that the rollers (120) are universal wheels.

10. Hoisting device as claimed in claim 8, characterized in that a locking assembly is provided on the roller (120) to selectively roll or lock the roller (120) in a preset position.