CN219194271U

CN219194271U - Chain type portal frame

Info

Publication number: CN219194271U
Application number: CN202222624126.9U
Authority: CN
Inventors: 吕航; 孟禹; 廖志铖; 戴海斌; 黄敏玲; 孔杰楷; 苑文军
Original assignee: Guangzhou Isky Electronic Science & Technology Co ltd
Current assignee: Guangzhou Isky Electronic Science & Technology Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-06-16
Anticipated expiration: 2032-09-30

Abstract

The utility model provides a chain type portal frame, which belongs to the technical field of hoisting equipment, and comprises a frame body, wherein universal wheels are arranged at the bottom of the frame body; the frame body is provided with a plurality of lifting devices which can move on the frame body. The lifting device comprises a connecting hook, a driving mechanism, a steel chain and a hook, wherein the connecting hook is detachably hung on the frame body, the driving mechanism is arranged on the connecting hook, one end of the steel chain is connected with the driving mechanism, the other end of the steel chain is connected with the hook, and the length of the steel chain extending out of the driving mechanism can be changed by driving the driving mechanism so as to change the distance between the hook and the driving mechanism. The portal frame is compact in structure and convenient to use, is used for lifting and carrying the manhole cover of the power system, can reduce the labor intensity of workers and saves the labor cost.

Description

Chain type portal frame

Technical Field

The utility model relates to the technical field of lifting equipment, in particular to a chain type portal frame.

Background

The portal frame (movable hoisting small portal frame) is used as hoisting transfer equipment and is suitable for manufacturing moulds, steam repair factories, mines, civil engineering construction sites and occasions needing hoisting. The common building construction is used as material transportation and up-down use of constructors, so that hoisting mechanization is realized. The labor force can be reduced, the production and operation cost can be reduced, and the working efficiency can be improved.

In the laying process of the electric power system, a maintenance well is reserved, and the maintenance well needs to be covered by a cover plate after the electric power system is laid, and filled with silt for sealing. However, the cement cover plate filled with silt is difficult to open, and the difficulty of well opening is caused. This can process system maintenance tasks, reducing power system maintenance efficiency. Therefore, it is desirable to provide a lifting device convenient to use for handling a manhole cover plate of a power system, so as to reduce labor intensity of workers and improve maintenance efficiency of the power system.

Disclosure of Invention

In order to overcome the problems in the related art, the utility model aims to provide the chain type portal frame which is compact in structure and convenient to use, is used for lifting and carrying the manhole cover of the power system, can reduce the labor intensity of workers and saves the labor cost.

The chain type portal frame comprises a frame body, wherein universal wheels are arranged at the bottom of the frame body; the frame body is provided with a plurality of lifting devices capable of moving on the frame body;

the lifting device comprises a connecting hook, a driving mechanism, a steel chain and a hook, wherein the connecting hook is detachably hung on the frame body, the driving mechanism is arranged on the connecting hook, one end of the steel chain is connected with the driving mechanism, the other end of the steel chain is connected with the hook, and the length of the steel chain extending out of the driving mechanism can be changed by driving the driving mechanism so as to change the distance between the hook and the driving mechanism.

In the preferred technical scheme of the utility model, the frame body comprises two vertical frames and cross beams, the cross beams are arranged at the tops of the two vertical frames, and the universal wheels are arranged at the bottom of each vertical frame.

In the preferred technical scheme of the utility model, each stand is provided with an auxiliary supporting rod, and the auxiliary supporting rods are arranged on the stand and form a triangular supporting structure with the stand.

In the preferred technical scheme of the utility model, an auxiliary cross rod is further arranged between the two vertical frames, and two ends of the auxiliary cross rod are respectively fixed on the auxiliary support rods of the two vertical frames.

In the preferred technical scheme of the utility model, the cross beam is provided with the ferrule, the ferrule is sleeved on the cross beam, and the connecting hook is detachably hung on the ferrule.

In a preferred technical scheme of the utility model, the ferrule comprises a steel cable and a quick-release connecting piece, wherein the steel cable is sleeved on the cross beam in an annular manner, and the quick-release connecting piece is connected to two opposite ends of the steel cable.

In a preferred technical scheme of the utility model, the quick-release connecting piece comprises a quick-release body, an S-shaped accommodating cavity for accommodating the steel cable is formed in the quick-release body, a knob key is arranged on the quick-release body, a pressing block is arranged in the S-shaped accommodating cavity, and the pressing block can be enabled to press the steel cable in the S-shaped accommodating cavity by rotating the knob key.

In the preferred technical scheme of the utility model, 4 universal wheels are arranged at the bottom of the frame body, and each universal wheel is provided with a locker.

In a preferred technical scheme of the utility model, 2-3 lifting devices are arranged on the frame body.

The beneficial effects of the utility model are as follows:

the utility model provides a chain type portal frame, which comprises a frame body, wherein universal wheels are arranged at the bottom of the frame body; the frame body is provided with a plurality of lifting devices which can move on the frame body. The universal wheels facilitate the movement of the portal frame, so that the portal frame is more flexible to use. The lifting device comprises a connecting hook, a driving mechanism, a steel chain and a hook, wherein the connecting hook is detachably hung on the frame body, the driving mechanism is arranged on the connecting hook, one end of the steel chain is connected with the driving mechanism, the other end of the steel chain is connected with the hook, and the distance between the hook and the driving mechanism is changed by driving the driving mechanism. According to the portal frame, the lifting device is arranged on the frame body, and when the portal frame is used, the well lid of the power system is lifted and carried through the hook and the driving mechanism, so that the labor intensity of workers can be reduced, hands are liberated, the labor cost is saved, and the maintenance efficiency of the power system is improved.

Drawings

Fig. 1 is a perspective view of a chain type portal frame provided by the utility model;

FIG. 2 is a schematic view of a ferrule provided by the present utility model;

FIG. 3 is a schematic view of a quick release connector according to the present utility model;

fig. 4 is a schematic structural view of the universal wheel provided by the utility model.

Reference numerals:

100. a frame body; 110. a vertical frame; 120. a cross beam; 200. a lifting device; 210. a connecting hook; 220. a driving mechanism; 230. a steel chain; 240. a hook; 300. a ferrule; 310. a wire rope; 320. quick release connectors; 3201. a quick-release body; 3202. a knob key; 3203. briquetting; 3204. an S-shaped accommodating cavity; 400. an auxiliary support rod; 500. an auxiliary cross bar; 600. a universal wheel; 610. a locking device.

Detailed Description

Preferred embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present utility model are shown in the drawings, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.

It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various information, these information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the utility model. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

As shown in fig. 1 to 4, the chain type portal frame provided by the utility model comprises a frame body 100, wherein a universal wheel 600 is arranged at the bottom of the frame body 100; the frame 100 is provided with a plurality of lifting devices 200 which can move on the frame 100;

the lifting device 200 comprises a connecting hook 210, a driving mechanism 220, a steel chain 230 and a hook 240, wherein the connecting hook 210 is detachably hung on the frame body 100, the driving mechanism 220 is arranged on the connecting hook 210, one end of the steel chain 230 is connected with the driving mechanism 220, the other end of the steel chain 230 is connected with the hook 240, and the length of the steel chain 230 extending out of the driving mechanism 220 can be changed by driving the driving mechanism 220 so as to change the distance between the hook 240 and the driving mechanism 220. In practical applications, the driving mechanism 220 is a hoist, which is hung on the frame 100 through the connecting hook 210, so as to drive the hoist to release or retract the steel chain 230, so as to change the position of the hook 240. During lifting, the steel chain 230 can be prevented from loosening by winding the cover plate around the steel chain 230 and hooking the cover plate through the hooks 240.

Specifically, the frame body 100 includes two vertical frames 110 and a cross beam 120, the two vertical frames 110 are provided, the cross beam 120 is provided at the top of the two vertical frames 110, and the universal wheels 600 are provided at the bottom of each vertical frame 110. The two stand frames 110 are oppositely arranged, and the cross beam 120 is fixed on the two stand frames 110 to form a door-shaped structure together with the stand frames 110. Both the uprights 110 and the cross-beams 120 may be made of channel steel. In practical application, the structure of the portal frame needs to be compact in design, and is convenient to carry.

The chain type portal frame moves through the universal wheels 600 arranged on the frame body 100, so that the portal frame can be used in different positions where the use requirement of the portal frame moves, and the portal frame can be used more flexibly. The frame 100 is provided with a plurality of lifting devices 200 that can move on the frame 100. The lifting device 200 comprises a connecting hook 210, a driving mechanism 220, a steel chain 230 and a hook 240, wherein the connecting hook 210 is detachably hung on the frame body 100, the driving mechanism 220 is arranged on the connecting hook 210, one end of the steel chain 230 is connected with the driving mechanism 220, the other end of the steel chain is connected with the hook 240, and the driving mechanism 220 is driven to change the distance between the hook 240 and the driving mechanism 220. According to the portal frame, the lifting device 200 is arranged on the frame body 100, and when the portal frame is used, the well lid of a power system is lifted and carried through the hook 240 and the driving mechanism 220, so that the labor intensity of workers can be reduced, hands are liberated, the labor cost is saved, and the maintenance efficiency of the power system is improved.

Further, each of the upright frames 110 is provided with an auxiliary supporting rod 400, and the auxiliary supporting rods 400 are arranged on the upright frames 110 to form a triangular supporting structure with the upright frames 110. The auxiliary supporting rod 400 is also made of channel steel. In more specific embodiments, the stand 110 includes a cross bar and a vertical bar that are vertically disposed, the vertical bar is fixed at the middle of the cross bar, and the universal wheel 600 is fixed at the bottom of the cross bar. One end of the auxiliary supporting rod 400 is fixed on the cross bar of the stand 110, and the other end is fixed on the vertical bar of the stand 110. The auxiliary support bar 400 enhances the structural strength of the frame body 100 of the portal frame, so that the portal frame can lift and convey objects with heavy weight.

An auxiliary cross bar 500 is further disposed between the two uprights 110, and two ends of the auxiliary cross bar 500 are respectively fixed to the auxiliary support bars 400 of the two uprights 110. The auxiliary cross bar 500 plays a role of connecting two vertical frames 110, can connect all directions of the portal frame to form a whole, ensures the stability of the whole frame body 100, can restrict and balance the stress of the vertical frames 110, and ensures the safety of the portal frame to the greatest extent. In a specific embodiment, the auxiliary crossbar 500 may be fixedly coupled to the auxiliary support bar 400 by bolts.

Further, the cross beam 120 is provided with a ferrule 300, the ferrule 300 is sleeved on the cross beam 120, and the connection hook 210 is detachably hung on the ferrule 300. The collar 300 is sleeved on the cross beam 120, so that the position of the collar 300 can be moved according to the requirement, and the positions of the plurality of lifting devices 200 can be changed by changing the position of the collar 300, so that the lifting devices 200 can lift objects with different sizes, and the application range of the portal frame is wider.

In a more specific embodiment, the collar 300 includes a steel cable 310 and a quick release connector 320, the steel cable 310 is looped around the beam 120, and the quick release connector 320 is connected to opposite ends of the steel cable 310. More specifically, the quick-release connector 320 includes a quick-release body 3201, an S-shaped accommodating cavity 3204 for accommodating the steel cable 310 is provided on the quick-release body 3201, a knob key 3202 is provided on the quick-release body 3201, a pressing block 3203 is provided in the S-shaped accommodating cavity 3204, and rotating the knob key 3202 can enable the pressing block 3203 to press the steel cable 310 in the S-shaped accommodating cavity 3204. The ferrule 300 connected by the quick release connector 320 is convenient to install and is beneficial to disassembly and maintenance.

In practical applications, one end of the cable 310 may be fixed to the quick release body 3201, and the other end is a free end. When in use, after the free end of the steel cable 310 passes through the cross beam 120 to form a ring and is sleeved on the cross beam 120, the free end of the steel cable 310 passes through the S-shaped accommodating cavity 3204, and then the knob key 3202 is screwed down, so that the knob key 3202 drives the pressing block 3203 to press the S-shaped accommodating cavity 3204, and the ferrule 300 formed by the steel cable 310 is not easy to loose, so that the stability of the lifting device 200 during working is ensured. The receiving cavity of the S-shaped receiving cavity 3204 also contributes to improving the stability of the ferrule 300.

In a more preferred embodiment, 4 universal wheels 600 are disposed at the bottom of the frame 100, and a locker 610 is disposed on each universal wheel 600.

The 4 universal wheels 600 ensure the convenience and stability of the movement of the portal frame. And the locker 610 is used for locking the universal wheel 600, the locker 610 is opened when the movement is required, and the universal wheel 600 can rotate. When the gantry moves to a designated position, the locker 610 is locked, so that the locker 610 can lock the universal wheel 600, the universal wheel 600 cannot rotate, that is, the gantry is positioned, and at the moment, lifting operation can be performed.

Further, 2 to 3 lifting devices 200 are disposed on the frame 100. In a more preferred embodiment, two lifting devices 200 are provided, and the two lifting devices 200 simultaneously lift different positions of the cover plate when in use, so as to ensure the stress balance of the cover plate.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are merely for convenience of distinguishing the corresponding components, and unless otherwise stated, the terms have no special meaning, and thus should not be construed as limiting the scope of the present application. The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a chain type portal frame, includes support body (100), its characterized in that: the bottom of the frame body (100) is provided with a universal wheel (600); a plurality of lifting devices (200) capable of moving on the frame body (100) are arranged on the frame body (100); the frame body (100) comprises two vertical frames (110) and cross beams (120), wherein the two vertical frames (110) are arranged, the cross beams (120) are arranged at the tops of the two vertical frames (110), and universal wheels (600) are arranged at the bottom of each vertical frame (110);

the lifting device (200) comprises a connecting hook (210), a driving mechanism (220), a steel chain (230) and a hook (240), wherein the connecting hook (210) is detachably hung on the frame body (100), the driving mechanism (220) is arranged on the connecting hook (210), one end of the steel chain (230) is connected with the driving mechanism (220), the other end of the steel chain is connected with the hook (240), and the length of the steel chain (230) extending out of the driving mechanism (220) can be changed by driving the driving mechanism (220), so that the distance between the hook (240) and the driving mechanism (220) is changed;

the cross beam (120) is provided with a ferrule (300), the ferrule (300) is sleeved on the cross beam (120), and the connecting hook (210) is detachably hung on the ferrule (300); the ferrule (300) comprises a steel cable (310) and a quick-release connecting piece (320), the steel cable (310) is sleeved on the cross beam (120) in a ring shape, and the quick-release connecting piece (320) is connected to two opposite ends of the steel cable (310);

quick detach connecting piece (320) is including quick detach body (3201), be provided with on quick detach body (3201) and be used for holding S type holding chamber (3204) of steel cable (310), be equipped with knob key (3202) on quick detach body (3201), be equipped with briquetting (3203) in S type holding chamber (3204), rotate knob key (3202) can make briquetting (3203) extrusion steel cable (310) in S type holding chamber (3204).

2. The chain gantry of claim 1, wherein:

each stand (110) is provided with an auxiliary supporting rod (400), and the auxiliary supporting rods (400) are arranged on the stand (110) and form a triangular supporting structure with the stand (110).

3. The chain gantry of claim 2, wherein:

an auxiliary cross rod (500) is further arranged between the two vertical frames (110), and two ends of the auxiliary cross rod (500) are respectively fixed on the auxiliary support rods (400) of the two vertical frames (110).

4. A chain gantry according to any one of claims 1-3, characterized in that:

the universal wheels (600) are arranged at the bottom of the frame body (100), and each universal wheel (600) is provided with a locker (610).

5. A chain gantry according to any one of claims 1-3, characterized in that:

2-3 lifting devices (200) are arranged on the frame body (100).