CN211664565U

CN211664565U - Automatic lifting appliance

Info

Publication number: CN211664565U
Application number: CN202020121586.8U
Authority: CN
Inventors: 王志刚; 张宇; 霍贵龙; 赵晋泽; 马文; 潘雷涛
Original assignee: Taiyuan Heavy Industry Co Ltd
Current assignee: Taiyuan Heavy Industry Co Ltd
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-10-13
Anticipated expiration: 2030-01-19

Abstract

The utility model discloses an automatic lifting appliance, include: the device comprises a frame body, a pulley block, a driving piece, a lever, an inserting shaft and a supporting seat; the pulley block is arranged at the upper part of the frame body and is used for being matched with a steel wire rope of the hoisting mechanism to integrally move the automatic lifting appliance; the driving piece is arranged at the upper part of the frame body, the supporting seat is arranged at the middle part of the frame body, and the inserting shaft is horizontally arranged at the lower part of the frame body in a sliding way; one end of the lever is connected with the driving piece, the middle part of the lever is hinged on the supporting seat, and the other end of the lever is connected with one end of the inserting shaft; and the inserting shaft is driven by the lever to horizontally move into the inserting hole inserted into the weight to be lifted or separate from the inserting hole of the weight to be lifted. The utility model discloses an automatic lifting appliance, the axle is inserted when using and is located below the surface of water, and the driving piece is located on the surface of water, and then avoids nuclear radiation to cause the water pollution that damage and driving piece probably caused to the driving piece. And the field operation of workers is not needed, the harm of nuclear radiation to the workers can be avoided, the consumption of manpower and material resources is reduced, and the safety performance is improved.

Description

Automatic lifting appliance

Technical Field

The utility model relates to a lifting device technical field especially relates to an automatic hoist.

Background

The lifting appliance is a device for lifting a heavy object in lifting machinery and is widely applied to the lifting industry. Common lifting appliances include lifting hooks, lifting straps, lifting rings, lifting suction cups, clamps, forks, and the like.

In one scenario, a crane of a nuclear power plant needs to automatically grab a heavy object (remote operation or automatic operation) under nuclear radiation, and the heavy object grabbing point is 1m below the water surface. The automatic grabbing of the existing single-hook or double-hook lifting appliance cannot be realized. The long-distance automatic heavy object grabbing can be completed by adopting a shaft inserting type mode driven by the driving device, but the driving device possibly pollutes water under the water surface, the short service life and the poor reliability are possibly caused by the fact that the driving device is close to the heavy object radiated by the core, and the driving device is generally easy to be polluted and damaged. Therefore, the utility model relates to an automatic lifting appliance, which can realize automatic grabbing in remote operation, and can be far away from nuclear radiation, avoid water pollution and improve the service life and reliability of the automatic lifting appliance.

SUMMERY OF THE UTILITY MODEL

In order to achieve the purpose, the utility model provides an automatic lifting appliance. The specific technical scheme is as follows:

an automatic spreader, comprising: the device comprises a frame body, a pulley block, a driving piece, a lever, an inserting shaft and a supporting seat; the pulley block is arranged at the upper part of the frame body and is used for being matched with a steel wire rope of a lifting mechanism to integrally move the automatic lifting appliance; the driving piece is arranged at the upper part of the frame body, the supporting seat is arranged at the middle part of the frame body, and the inserting shaft is horizontally and slidably arranged at the lower part of the frame body; one end of the lever is connected with the driving piece, the middle part of the lever is hinged on the supporting seat, and the other end of the lever is connected with one end of the inserting shaft; the inserting shaft is used for horizontally moving into the inserting hole inserted into the weight to be lifted or separating from the inserting hole of the weight to be lifted under the driving of the lever.

In one possible design, the pulley block comprises: an axle, a wheel cover and a pulley; the wheel shaft is arranged on the frame body, the pulley is sleeved on the wheel shaft, and the wheel cover is arranged outside the wheel shaft and the pulley.

In one possible design, the drive element is a cylinder.

In one possible design, the air cylinder is connected with a pneumatic system and an electric control system arranged on the crane trolley through air pipes.

In a possible design, a shaft sleeve is arranged at the lower part of the frame body, and the inserting shaft is limited in the shaft sleeve and can horizontally move in the shaft sleeve.

In one possible design, the other end of the lever is connected to one end of the insertion shaft by a latch.

In one possible design, the frame body comprises two side plates which are opposite at intervals.

In one possible design, a counterweight is arranged at the lower part of the frame body, and the counterweight and the shaft sleeve are respectively positioned at two sides of the frame body.

The utility model discloses technical scheme's main advantage as follows:

the utility model discloses an automatic lifting appliance, the axle is inserted when using and is located below the surface of water, and the driving piece is located above the surface of water, avoids nuclear radiation to cause the damage to the driving piece, has also avoided the water pollution that the driving piece probably caused simultaneously. And the driving piece drives the inserting shaft to horizontally move through the lever, so that the field operation of workers is not needed, the harm of nuclear radiation to the workers can be avoided, the consumption of manpower and material resources is reduced, and the safety performance is improved.

Drawings

The accompanying drawings, which are set forth herein, serve to provide a further understanding of the embodiments of the present invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are illustrative of the invention and do not constitute a limitation on the invention. In the drawings:

fig. 1 is a front view of an automatic spreader according to an embodiment of the present invention;

fig. 2 is a side view of an automatic spreader according to an embodiment of the present invention;

fig. 3 is a sectional view of an automatic spreader according to an embodiment of the present invention;

fig. 4 is a front view of an automatic lifting device capable of lifting heavy objects according to an embodiment of the present invention;

fig. 5 is a side view of an automatic lifting device capable of lifting heavy objects according to an embodiment of the present invention.

Description of reference numerals:

1-frame body, 101-side plate, 2-pulley block, 21-wheel shaft, 22-wheel cover, 23-pulley, 3-driving piece, 4-lever, 5-inserting shaft, 6-supporting seat, 7-air pipe, 8-shaft sleeve, 9-bolt and 10-counterweight.

Detailed Description

To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

The technical solution provided by the embodiments of the present invention is described in detail below with reference to the accompanying drawings.

The embodiment of the utility model provides an automatic lifting appliance, as shown in figures 1 to 3, include: the device comprises a frame body 1, a pulley block 2, a driving piece 3, a lever 4, an inserting shaft 5 and a supporting seat 6; the pulley block 2 is arranged at the upper part of the frame body 1 and is used for being matched with a steel wire rope of a hoisting mechanism to integrally move the automatic lifting appliance; the driving piece 3 is arranged at the upper part of the frame body 1, the supporting seat 6 is arranged at the middle part of the frame body 1, and the inserting shaft 5 is horizontally arranged at the lower part of the frame body 1 in a sliding way; one end of the lever 4 is connected with the driving piece 3, the middle part of the lever is hinged on the supporting seat 6, and the other end of the lever is connected with one end of the inserting shaft 5; and the inserting shaft 5 is used for horizontally moving into or out of the inserting hole of the weight to be lifted under the driving of the lever 4.

The following is right the utility model discloses the theory of operation of the automatic hoist that the embodiment provided explains:

the frame body 1 is used as an installation foundation, and other components are convenient to install on the frame body. The pulley block 2 is arranged on the upper portion of the frame body 1, and the pulley block 2 is connected with a lifting mechanism on the crane trolley through a steel wire rope to drive the frame body 1 and all parts on the frame body to move integrally, so that a heavy object to be lifted is moved to a target site. The driving piece 3 is arranged on the upper part of the frame body 1 and is connected with the inserting shaft 5 on the lower part of the frame body 1 through the lever 4 to drive the inserting shaft 5 to horizontally move. When a heavy object with nuclear radiation is lifted under the water surface as described in the background section, the heavy object is provided with a jack matched with the jack 5, and the structure of the heavy object to be lifted can be seen in fig. 4. The support body 1 is driven by the hoisting mechanism to insert the lower part into a single plate with an insertion hole on the upper part of a heavy object, the insertion shaft 5 is aligned with the insertion hole on the heavy object to be lifted, the driving piece 3 drives the lever 4 to rotate around the supporting seat 6, and then the insertion shaft 5 is driven to horizontally move and be inserted into the insertion hole on the heavy object to be lifted. Then the hoisting mechanism acts to drive the automatic lifting appliance and the heavy object to be lifted to move to a target site and lower down, the driving piece 3 drives the lever 4 to rotate and reset, so that the inserting shaft 5 is separated from the inserting hole on the heavy object to be lifted, and the whole lifting process is completed.

It can be seen that the embodiment of the utility model provides an automatic lifting appliance, the plug shaft 5 is located below the surface of water when using, and driving piece 3 is located on the surface of water, avoids nuclear radiation to cause the damage to driving piece 3, avoids the water pollution that the driving piece probably produced simultaneously. And the driving piece 3 drives the inserting shaft 5 to horizontally move through the lever 4, so that the field operation of workers is not needed, the consumption of manpower and material resources is reduced, the harm of nuclear radiation to the workers is avoided, and the safety performance is improved.

The frame body 1 may be a strip structure, so that the driving member 3 located at the upper portion of the frame body 1 and the heavy object to be lifted located at the lower portion of the frame body 1 maintain a sufficient safety distance. The length of the frame body 1 can be determined according to the safe distance required to be kept by the nuclear radiation intensity of the heavy object to be lifted.

The embodiment of the utility model provides an in, assembly pulley 2 drives this automatic hoist moving as a whole with the wire rope cooperation, as an example, as shown in figure 3, assembly pulley 2 includes: an axle 21, a wheel cover 22, and a pulley 23; the wheel shaft 21 is arranged on the frame body 1, the pulley 23 is sleeved on the wheel shaft 21, and the wheel cover 22 covers the wheel shaft 21 and the pulley 23. When the lifting device is used, the steel wire rope penetrates through the pulley 23 to perform integral lifting of the automatic lifting appliance.

The driving part 3 is used for outputting driving force, and the driving force only needs to drive the inserting shaft 5 to horizontally move, and larger driving force is not needed. Based on the above, in the embodiment of the utility model, driving piece 3 can be the cylinder. The cylinder has small volume and light weight, is convenient to arrange on the frame and can not generate large burden. The output torque of the motor can meet the driving requirement.

Further, the air cylinder is connected with a pneumatic system and an electric control system which are arranged on the crane trolley through an air pipe 7, and electric automatic remote control and operation are realized through air pressure driving.

Optionally, in the embodiment of the present invention, in order to facilitate the horizontal movement of the inserting shaft 5, the lower portion of the frame body 1 is provided with a shaft sleeve 8, and the inserting shaft 5 is limited in the shaft sleeve 8 and can move horizontally in the shaft sleeve 8. So set up, guarantee to insert 5 horizontal migration's of axle stability, and then make insert the axle 5 better with the centering performance who waits to lift by crane the heavy object jack, guarantee to lift by crane efficiency.

Alternatively, the other end of the lever 4 is connected to one end of the insertion shaft 5 by a latch 9. The end of the lever 4 and the end of the insertion shaft 5 may be provided with a through hole for passing the latch 9, respectively, and the latch 9 simultaneously passes through the through holes of the lever 4 and the insertion shaft 5 to connect the lever 4 and the insertion shaft 5 together.

The embodiment of the utility model provides an in, one side that lever 4 is located support body 1 is connected with the one end of inserting axle 5, and this side of support body 1 still is provided with supporting seat 6 and axle sleeve 8 etc. for making 1 atress of support body balanced, the utility model discloses an in, the lower part of support body 1 is provided with counter weight 10, and counter weight 10 and axle sleeve 8 are located the both sides of support body 1 respectively.

Optionally, in the embodiment of the present invention, the frame body 1 may include two side plates 101 opposite to each other at an interval. A connecting member may be disposed between the two side plates 101, or the two side plates 101 may be connected by a wheel shaft 21. So set up, can reduce the volume and the weight of support body 1. So set up, be convenient for wait to lift by crane the jack veneer on heavy object upper portion and get into between two curb plates 101.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. In addition, "front", "rear", "left", "right", "upper" and "lower" in this document are referred to the placement states shown in the drawings.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. An automatic spreader, comprising: the device comprises a frame body, a pulley block, a driving piece, a lever, an inserting shaft and a supporting seat;

the pulley block is arranged at the upper part of the frame body and is used for being matched with a steel wire rope of a lifting mechanism to integrally move the automatic lifting appliance;

the driving piece is arranged at the upper part of the frame body, the supporting seat is arranged at the middle part of the frame body, and the inserting shaft is horizontally and slidably arranged at the lower part of the frame body; one end of the lever is connected with the driving piece, the middle part of the lever is hinged on the supporting seat, and the other end of the lever is connected with one end of the inserting shaft;

the inserting shaft is used for horizontally moving into the inserting hole inserted into the weight to be lifted or separating from the inserting hole of the weight to be lifted under the driving of the lever.

2. The automatic spreader according to claim 1, wherein the set of pulleys comprises: an axle, a wheel cover and a pulley;

the wheel shaft is arranged on the frame body, the pulley is sleeved on the wheel shaft, and the wheel cover is arranged outside the wheel shaft and the pulley.

3. The automatic spreader according to claim 1, wherein the driving member is a cylinder.

4. The automatic spreader according to claim 3, wherein the cylinder is connected to a pneumatic system and an electrical control system provided on the crane trolley through an air pipe.

5. The automatic spreader according to claim 1, wherein the lower portion of the frame body is provided with a shaft sleeve, and the spindle is limited in the shaft sleeve and can horizontally move in the shaft sleeve.

6. The automatic spreader according to claim 1, wherein the other end of the lever is connected to one end of the spindle by a plug pin.

7. The automatic spreader according to any one of claims 1 to 6, wherein the frame body comprises two spaced opposed side plates.

8. The automatic sling according to claim 5, wherein a counterweight is provided at a lower portion of the frame body, and the counterweight and the shaft sleeve are respectively located at both sides of the frame body.