CN219009766U

CN219009766U - Hoisting device for portal crane

Info

Publication number: CN219009766U
Application number: CN202320098104.5U
Authority: CN
Inventors: 魏佰利; 李飘飘; 卢俊放; 赵华利; 林振波; 林闯良; 徐傲; 马静
Original assignee: Henan Shengyuan Hoisting Machinery Co ltd
Current assignee: Henan Shengyuan Hoisting Machinery Co ltd
Priority date: 2023-02-01
Filing date: 2023-02-01
Publication date: 2023-05-12
Anticipated expiration: 2033-02-01

Abstract

The utility model discloses a hoisting device for a portal crane, which comprises a frame, a hoisting mechanism and a hoisting mechanism, wherein the hoisting mechanism is used for hoisting and lifting the device and can stabilize hoisting; through above-mentioned technical scheme, this device is when lifting by crane article, through the sliding fit of lifter plate both ends with spacing axle, makes two spacing axles carry out certain spacing to the lifter plate, and lifting device and hanging mechanism's cooperation is used in the rethread device, when lifting by crane, can let the lifter plate comparatively steady rise or descend, makes the article of lifting by crane be difficult for appearing rocking and unhooking the phenomenon.

Description

Hoisting device for portal crane

Technical Field

The utility model relates to the field of portal cranes, in particular to a hoisting device for a portal crane.

Background

The portal crane is a deformation of bridge crane, also called portal crane, and is mainly used for loading and unloading operations of outdoor goods yard, stock yard goods and bulk goods, and has the characteristics of high field utilization rate, large operation range, wide application range, strong universality and the like, and is widely used in port goods yards.

The utility model provides an electric hoist gantry crane hoist device, includes the portal, the upper end sliding connection of portal has the horizontal migration spare, the lower extreme fixedly connected with rolling storehouse of horizontal migration spare, one side fixedly connected with motor in rolling storehouse, the output fixedly connected with worm of motor, the rolling storehouse is provided with the gear with one side that the motor is adjacent, the gear meshes with the worm, one side fixedly connected with rolling axle of gear, constitute rotation connection between rolling axle and the rolling storehouse, the outer periphery fixedly connected with hoist cable of rolling axle, the lower extreme fixedly connected with butt joint subassembly of hoist cable, the lower extreme fixedly connected with lifting hook of butt joint subassembly, longer one end distance has between the outer periphery of gear and the gear centre of a circle, and this distance can be regarded as the arm of force in the lever principle, and the worm only need stir the outer periphery of gear can drive the gear and rotate, greatly reduced the output torsion of motor, reduced the motor energy consumption.

The device solves the problem that the lifting hook is inconvenient to detach when the lifting hook needs to be overhauled and maintained through the butt joint assembly, the first butt joint block, the second butt joint block and the I-shaped block, and the device has the phenomenon that most of existing portal cranes easily enable lifting articles to shake when lifting the articles, so that unhooking of the lifted articles is easily caused, and unnecessary losses are easily caused.

Disclosure of Invention

The present utility model has been made to solve the above-mentioned problems, and an object of the present utility model is to provide a hoisting device for a gantry crane.

The technical scheme adopted by the utility model is as follows:

the lifting device for the portal crane comprises a frame, a hanging mechanism used for hanging objects and convenient to detach, and a lifting mechanism used for lifting the device and stabilizing the lifting;

the lifting mechanism is arranged in the middle of the frame, and the hanging mechanism is arranged at the lower end of the lifting mechanism;

the lifting mechanism comprises four fixed blocks, the fixed blocks are fixed in the middle of the frame, two limiting shafts are fixed between the fixed blocks, a lifting plate is arranged between the limiting shafts, and a first sliding block is arranged inside the lifting plate.

Preferably: the fixed block further comprises a fixed frame, the fixed frame is fixed at the upper end of the first sliding block, a traction wheel is rotationally connected in the middle of the fixed frame, a cable is sleeved on the periphery of the traction wheel, a threaded shaft is arranged in the frame, a shaft coupling of the input end of the threaded shaft is connected with a first motor, a second sliding block is in threaded connection with the periphery of the threaded shaft, a second motor is mounted at the upper end of the second sliding block, and a winding wheel is fixed at the output end of the second motor.

Preferably: the hanging mechanism comprises a first mounting block, the first mounting block is fixed at the lower end of the first sliding block, a second mounting block is slidably matched at the lower end of the first mounting block, a hook is fixed at the lower end of the second mounting block, and fixing bolts are arranged on two sides of the hook.

Preferably: the lifting plate is in sliding fit with the limiting shaft, and the first sliding block is in sliding fit with the lifting plate.

Preferably: one end of the cable is fixed with the second sliding block, the other end of the cable is fixed with the winding wheel, and the cable is made of steel.

Preferably: the threaded shaft is connected with the frame bearing, and the second sliding block is in sliding fit with the frame.

Preferably: the fixing bolt penetrates through the second mounting block and is in threaded connection with the first mounting block.

The beneficial effects are that: when the lifting device lifts an article, two ends of the lifting plate are in sliding fit with the limiting shafts, so that the two limiting shafts can limit the lifting plate to a certain extent, lifting equipment in the lifting device and the hanging mechanism are matched for use, and when the lifting device lifts the article, the lifting plate can stably ascend or descend, and the lifted article is not easy to shake and unhook.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:

FIG. 1 is a schematic structural view of a hoisting device for a gantry crane according to the present utility model;

FIG. 2 is a schematic view of a hoisting mechanism of a hoisting device for a gantry crane according to the present utility model;

FIG. 3 is a right side cross-sectional view of a hoisting mechanism of a hoisting device for a gantry crane according to the present utility model;

fig. 4 is a schematic structural view of a hanging mechanism of a hanging device for a gantry crane.

The reference numerals are explained as follows:

1. a frame; 2. a lifting mechanism; 21. a fixed block; 22. a limiting shaft; 23. a lifting plate; 24. a first slider; 25. a fixing frame; 26. a traction wheel; 27. a cable; 28. a threaded shaft; 29. a first motor; 210. a second slider; 212. a second motor; 213. a winding wheel; 3. a hanging mechanism; 31. a first mounting block; 32. a second mounting block; 33. a hook; 34. and (5) fixing bolts.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships as described based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The utility model is further illustrated by the following examples in connection with the accompanying drawings.

As shown in fig. 1 to 4, a hoisting device for a gantry crane comprises a frame 1, a hoisting mechanism 3 for hoisting objects and convenient to detach, and a hoisting mechanism 2 for hoisting and lifting the device and stabilizing the hoisting;

the lifting mechanism 2 is arranged in the middle of the frame 1, and the hanging mechanism 3 is arranged at the lower end of the lifting mechanism 2.

In the embodiment, the lifting mechanism 2 comprises four fixed blocks 21, the fixed blocks 21 are welded in the middle of the frame 1, two limiting shafts 22 are connected between the fixed blocks 21 through bolts, lifting plates 23 are slidably matched between the limiting shafts 22, and first sliding blocks 24 are slidably matched in the lifting plates 23; when the lifting device lifts by crane the article, through the sliding fit of the two ends of the lifting plate 23 and the limiting shafts 22, the two limiting shafts 22 can limit the lifting plate 23 to a certain extent, and the lifting device in the device and the hanging mechanism 3 are matched for use, so that the lifting plate 23 can be lifted or lowered more stably during lifting, and the lifted article is not easy to shake and unhook.

In this embodiment, the fixing block 21 further includes a fixing frame 25, the fixing frame 25 is bolted to the upper end of the first slider 24, a traction wheel 26 is connected to a middle bearing of the fixing frame 25, a cable 27 is sleeved on the periphery of the traction wheel 26, the cable 27 is made of steel, a threaded shaft 28 is connected to an inner bearing of the frame 1, a first motor 29 is connected to an input end coupler of the threaded shaft 28, a second slider 210 is connected to the periphery of the threaded shaft 28 in a threaded manner, the second slider 210 is in sliding fit with the frame 1, a second motor 212 is mounted at the upper end of the second slider 210, a winding wheel 213 is connected to an output end key of the second motor 212, one end of the cable 27 is fixed with the second slider 210, and the other end of the cable 27 is fixed with the winding wheel 213; after the article to be lifted is hung on the hanging mechanism 3, the second motor 212 is started, one end of the cable 27 is connected with the bearing of the traction wheel 26 through the fixing frame 25, the other end of the cable 27 is fixed with the second sliding block 210, and the other end of the cable is fixed with the winding wheel 213, the second motor 212 drives the winding wheel 213 to rotate, so that the cable 27 can be wound into the winding wheel 213, the article hung on the hanging mechanism 3 is lifted, if the transverse position of the article to be lifted is required to be regulated, the first motor 29 can be started, and the second sliding block 210 can be moved through the threaded connection of the second sliding block 210 and the threaded shaft 28 and the sliding fit of the second sliding block 210 and the frame 1, so that the hanging mechanism 3 under the first sliding block 24 can be driven to transversely displace.

In this embodiment, the hanging mechanism 3 includes a first mounting block 31, the first mounting block 31 is connected to the lower end of the first sliding block 24 by a bolt, the lower end of the first mounting block 31 is slidably matched with a second mounting block 32, the lower end of the second mounting block 32 is welded with a hook 33, two sides of the hook 33 are provided with fixing bolts 34, and the fixing bolts 34 penetrate through the second mounting block 32 to be in threaded connection with the first mounting block 31; before the device is lifted, an object to be lifted is hung on the hook 33, and if the quality of the hook 33 is detected, the second mounting block 32 and the hook 33 can be detached by unscrewing the two fixing bolts 34.

Working principle: before the device is lifted, the article to be lifted is hung on the hook 33, if the quality detection is required for the hook 33, the second mounting block 32 and the hook 33 can be detached by unscrewing the two fixing bolts 34, after the article to be lifted is hung on the hanging mechanism 3, the second motor 212 is started, the bearing connection of the fixing frame 25 and the traction wheel 26 is adopted, one end of the cable 27 is fixed with the other end of the second sliding block 210 and the winding wheel 213, the second motor 212 drives the winding wheel 213 to rotate, the cable 27 can be wound in the winding wheel 213, thereby lifting the article hung on the hanging mechanism 3, if the transverse position of the lifted article is required to be adjusted, the first motor 29 can be started, the second sliding block 210 can be moved through the threaded connection of the second sliding block 210 and the threaded shaft 28 and the sliding fit of the second sliding block 210 and the frame 1, and the hanging mechanism 3 which is arranged below the first sliding block 24 can be driven to carry out transverse displacement.

While the preferred embodiments of the present utility model have been described in detail with reference to the drawings, the present utility model is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present utility model within the knowledge of those skilled in the art.

Claims

1. The utility model provides a hoisting device for portal crane, includes frame (1), is used for hanging article and convenient to detach's hanging mechanism (3), its characterized in that: the lifting device also comprises a lifting mechanism (2) which is used for lifting the device and stabilizing the lifting;

the lifting mechanism (2) is arranged in the middle of the frame (1), and the hanging mechanism (3) is arranged at the lower end of the lifting mechanism (2);

the lifting mechanism (2) comprises four fixed blocks (21), the fixed blocks (21) are fixed in the middle of the frame (1), two limiting shafts (22) are fixed between the fixed blocks (21), lifting plates (23) are arranged between the limiting shafts (22), and first sliding blocks (24) are arranged inside the lifting plates (23).

2. The hoisting device for a gantry crane according to claim 1, wherein: the fixed block (21) further comprises a fixed frame (25), the fixed frame (25) is fixed at the upper end of the first sliding block (24), a traction wheel (26) is rotationally connected in the middle of the fixed frame (25), a cable (27) is sleeved on the periphery of the traction wheel (26), a threaded shaft (28) is arranged in the frame (1), a first motor (29) is connected with an input end coupler of the threaded shaft (28), a second sliding block (210) is connected with the periphery of the threaded shaft (28) in a threaded manner, a second motor (212) is mounted at the upper end of the second sliding block (210), and a winding wheel (213) is fixed at the output end of the second motor (212).

3. The hoisting device for a gantry crane according to claim 1, wherein: the hanging mechanism (3) comprises a first mounting block (31), the first mounting block (31) is fixed at the lower end of the first sliding block (24), a second mounting block (32) is slidably matched at the lower end of the first mounting block (31), a hook (33) is fixed at the lower end of the second mounting block (32), and fixing bolts (34) are arranged on two sides of the hook (33).

4. The hoisting device for a gantry crane according to claim 1, wherein: the lifting plate (23) is in sliding fit with the limiting shaft (22), and the first sliding block (24) is in sliding fit with the lifting plate (23).

5. The hoisting device for a gantry crane according to claim 2, wherein: one end of the cable (27) is fixed with the second sliding block (210), the other end of the cable is fixed with the winding wheel (213), and the cable (27) is made of steel.

6. The hoisting device for a gantry crane according to claim 2, wherein: the threaded shaft (28) is connected with the frame (1) through a bearing, and the second sliding block (210) is in sliding fit with the frame (1).

7. A gantry crane hoisting device according to claim 3, characterized in that: the fixing bolt (34) penetrates through the second mounting block (32) and is in threaded connection with the first mounting block (31).