CN212639722U

CN212639722U - Safety protection device for hoisting machinery

Info

Publication number: CN212639722U
Application number: CN202021181885.7U
Authority: CN
Inventors: 王春雨; 董金鹿; 李盛龙
Original assignee: Northeast No2 Electric Power Engineering Corp Of Energy China
Current assignee: Northeast No2 Electric Power Engineering Corp Of Energy China
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-03-02
Anticipated expiration: 2030-06-23

Abstract

The utility model belongs to the field of hoisting machinery auxiliary devices, and particularly discloses a hoisting machinery safety protection device, which comprises a hoisting equipment body, wherein a hoisting steel wire rope is sleeved with a limiting sleeve which is of a hollow structure with communicated upper and lower openings; the lifting groove is formed in the support, the lifting block is embedded into the lifting groove, the transverse moving adjusting rod is inserted into the lifting groove, one end of the transverse moving adjusting rod is vertically fixed to the middle of the limiting sleeve, and the other end of the transverse moving adjusting rod penetrates out of the lifting block. The utility model utilizes the matching of the limiting sleeve and the transverse adjusting rod to limit the hoisting steel wire rope, avoids the hoisting steel wire rope from swinging, utilizes the matching of the lifting block and the linear guide rail to realize that the limiting sleeve is lifted along with the lifting of the hoisting steel wire rope, ensures the stable state of the steel wire rope in the whole hoisting lifting process, and has high safety; meanwhile, the transverse moving adjusting rod can be adjusted according to the transverse moving position of the pulley hoisting mechanism, the requirements of different hoisting positions are met, the flexibility is high, and the operation is convenient.

Description

Safety protection device for hoisting machinery

Technical Field

The utility model relates to a hoisting machinery auxiliary device field specifically is a hoisting machinery safety device.

Background

Lifting operations are an industrial process that transports machinery or other objects from one location to another. The hoisting machine is lifted or lifted and moved heavy objects by a hoisting hook or other fetching devices. The working process of the hoisting machinery generally comprises the steps of lifting, running, descending, returning to the original position and the like, and the range of the lifting machinery is specified to be a lifter with the rated lifting capacity being greater than or equal to 0.5 t; the hoisting height is greater than or equal to 2m, and the electric hoist fixed in a load-bearing mode. In some applications, the lifting device is also the main working machine, for example a crane for loading and unloading material in ports and stations.

Because the hoisting mechanism of the hoisting machinery mostly drives the pulley to rotate through the motor, the hoisting steel wire rope is lifted; in the lifting process, the hoisting steel wire rope can swing to a certain extent due to the suspension arrangement of the hoisting steel wire rope, so that the heavy object is easy to fall off, and the existing hoisting machinery is lack of a stabilizing mechanism of the hoisting steel wire rope and is high in danger.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hoist and tool safety device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a safety protection device for hoisting machinery comprises a hoisting equipment body, wherein the hoisting equipment body comprises a vertically arranged support and a cross beam vertically turned over along the top end of the support, a transverse moving mechanism is arranged in the cross beam, a pulley hoisting mechanism moving along the transverse moving mechanism is arranged on the bottom surface of the cross beam, a pulley driven by a motor is arranged on the pulley hoisting mechanism, a hoisting steel wire rope is wound on the pulley, and a hook is arranged at the lower end of the pulley hoisting steel wire rope; one end of the hoisting steel wire rope, which is close to the hook, is sleeved with a limiting sleeve which is of a hollow structure with communicated upper and lower openings; the lifting groove is formed in the support along the height direction of the support, a lifting block is transversely embedded into the lifting groove, the lifting block is of a structure with openings at two ends communicated, the two ends of the lifting block respectively extend out of the lifting groove, a transverse moving adjusting rod is inserted into the lifting groove, one end of the transverse moving adjusting rod is vertically fixed to the middle of the limiting sleeve, and the other end of the transverse moving adjusting rod penetrates out of the lifting block.

Preferably, a section of adjusting section is reserved between the limiting sleeve and the hook on the hoisting steel wire rope and used for ensuring the moving range of the hook when hanging objects.

Preferably, one end of the transverse moving adjusting rod, which is far away from the limiting sleeve, is provided with a limiting end.

Preferably, a plurality of adjusting holes are formed in the traversing adjusting rod at equal intervals, one end of the lifting block is correspondingly provided with a positioning hole with a plug rod, and the plug rod penetrates through the positioning hole and is inserted into the corresponding adjusting hole to limit the traversing adjusting rod in the lifting block.

Preferably, a vertical linear guide rail is installed on the inner wall of one side of the lifting groove, and a sliding block of the vertical linear guide rail is fixedly connected with the middle part of the side face of the lifting block.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model is provided with a mechanism for stabilizing and protecting the hoisting steel wire rope, the hoisting steel wire rope is limited by the matching of the limiting sleeve and the transverse moving adjusting rod, the swinging of the hoisting steel wire rope is avoided, the lifting of the limiting sleeve along with the lifting of the hoisting steel wire rope is realized by the matching of the lifting block and the linear guide rail, the stable state of the steel wire rope in the whole hoisting lifting process is ensured, and the safety is high; meanwhile, the transverse moving adjusting rod can be adjusted according to the transverse moving position of the pulley hoisting mechanism, the requirements of different hoisting positions are met, the flexibility is high, and the operation is convenient.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the lifting block and the traversing adjusting rod of the present invention;

fig. 3 is a schematic view of a specific structure of the lifting groove on the bracket of the present invention.

In the figure: 1. a hoisting device body; 2. a support; 3. a cross beam; 4. a sheave hoisting mechanism; 5. a pulley; 6. a second diversion slope; 7. hooking; 8. a limiting sleeve; 9. an adjustment section; 10. a lifting groove; 11. a lifting block; 12. transversely moving the adjusting rod; 13. an adjustment hole; 14. positioning holes; 15. a latch rod; 16. a linear guide rail; 17. a slide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a safety protection device for hoisting machinery comprises a hoisting equipment body 1, wherein the hoisting equipment body comprises a vertically arranged support 2 and a cross beam 3 vertically turned over along the top end of the support 2, a transverse moving mechanism is arranged in the cross beam 3, a pulley hoisting mechanism 4 moving along the transverse moving mechanism is arranged on the bottom surface of the cross beam 3, a pulley 5 driven by a motor is arranged on the pulley hoisting mechanism 4, a hoisting steel wire rope 6 is wound on the pulley 5, and a hook 7 is arranged at the lower end of the pulley 5; one end of the hoisting steel wire rope 6 close to the hook 7 is sleeved with a limiting sleeve 8 which is of a hollow structure with communicated upper and lower openings; the lifting groove 10 is formed in the support 2 along the height direction of the support, a lifting block 11 is transversely embedded into the lifting groove 10, the lifting block 11 is of a structure with two open ends communicated, two ends of the lifting block respectively extend out of the lifting groove 10, a transverse moving adjusting rod 12 is inserted into the lifting groove 10, one end of the transverse moving adjusting rod 12 is vertically fixed in the middle of the limiting sleeve 8, and the other end of the transverse moving adjusting rod penetrates out of the lifting block 11.

Furthermore, a section of adjusting section 9 is reserved between the limiting sleeve 8 and the hook 7 on the hoisting steel wire rope 6 and used for ensuring the range of motion of the hook 7 when hanging objects.

Furthermore, one end of the transverse moving adjusting rod 12, which is far away from the limiting sleeve 8, is provided with a limiting end.

Furthermore, a plurality of adjusting holes 13 are formed in the traversing adjusting rod 12 at equal intervals, one end of the lifting block 11 is correspondingly provided with a positioning hole 14 with a plug rod 15, and the plug rod 15 penetrates through the positioning hole 14 and is inserted into the corresponding adjusting hole 13 to limit the traversing adjusting rod 12 in the lifting block 11.

Furthermore, a vertical linear guide rail 16 is installed on the inner wall of one side of the lifting groove 10, and a sliding block 17 of the vertical linear guide rail is fixedly connected with the middle part of the side surface of the lifting block 11.

The working principle is as follows: when the lifting device works, the linear guide rail 16 and a motor of the pulley lifting mechanism 4 run synchronously, and the lifting of the sliding block 17 of the linear guide rail 16 and the lifting of the lifting steel wire rope 6 are kept synchronous under the control of a control system of the lifting device body 1; during hoisting, a heavy object is fixed on the hook 7, the hoisting steel wire rope 6 ascends and descends, the limiting sleeve 8 moves up and down along with the hoisting steel wire rope and is matched with the transverse moving adjusting rod 12, and the hoisting steel wire rope 6 is effectively prevented from shaking; when the transverse hoisting position needs to be adjusted, the plug rod 15 on the lifting block 11 is pulled out, the transverse moving mechanism in the cross beam 3 is started, the transverse position of the pulley hoisting mechanism 4 is adjusted, the transverse moving adjusting rod 12 transversely moves along with the limiting sleeve 8 on the hoisting steel wire rope 6 at the moment, and after the position of the pulley hoisting mechanism 4 is determined, the plug rod 15 penetrates through the positioning hole 14 again and is inserted into the corresponding adjusting hole 13, so that the limiting of the transverse moving adjusting rod 12 in the lifting block 11 is completed.

It is worth noting that: the control end of the linear guide rail 16 is connected with a control system of the hoisting equipment body 1, the control is realized through the control button, and the linear guide rail 16 matched with the control button is common equipment, belongs to the prior mature technology, and the electrical connection relation and the specific circuit structure are not repeated herein.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A safety protection device for hoisting machinery comprises a hoisting equipment body (1) which comprises a vertically arranged support (2) and a cross beam (3) vertically turned over along the top end of the support (2), wherein a transverse moving mechanism is arranged in the cross beam (3), a pulley hoisting mechanism (4) moving along with the transverse moving mechanism is arranged on the bottom surface of the cross beam (3), a pulley (5) driven by a motor is arranged on the pulley hoisting mechanism (4), a hoisting steel wire rope (6) is wound on the pulley (5), and a hook (7) is arranged at the lower end of the pulley (5); the hoisting device is characterized in that a limiting sleeve (8) is sleeved on one end, close to the hook (7), of the hoisting steel wire rope (6), and is of a hollow structure with communicated upper and lower openings; the lifting groove (10) is formed in the support (2) along the height direction of the support, a lifting block (11) is transversely embedded into the lifting groove (10), the lifting block (11) is of a structure with two open ends communicated, the two ends of the lifting block respectively extend out of the lifting groove (10), a transverse moving adjusting rod (12) is inserted into the lifting block (10), one end of the transverse moving adjusting rod (12) is vertically fixed in the middle of the limiting sleeve (8), and the other end of the transverse moving adjusting rod penetrates out of the lifting block (11).

2. A lifting machine safety shield as claimed in claim 1, wherein: a section of adjusting section (9) is reserved between the limiting sleeve (8) and the hook (7) on the hoisting steel wire rope (6) and used for ensuring the range of motion of the hook (7) when hanging objects.

3. A lifting machine safety shield as claimed in claim 1, wherein: and one end of the transverse moving adjusting rod (12) far away from the limiting sleeve (8) is provided with a limiting end.

4. A lifting machine safety shield as claimed in claim 1, wherein: the transverse moving adjusting rod (12) is provided with a plurality of adjusting holes (13) at equal intervals, one end of the lifting block (11) is correspondingly provided with a positioning hole (14) with a plug rod (15), and the plug rod (15) penetrates through the positioning hole (14) and is inserted into the corresponding adjusting hole (13) to limit the transverse moving adjusting rod (12) in the lifting block (11).

5. A lifting machine safety shield as claimed in claim 1, wherein: and a vertical linear guide rail (16) is arranged on the inner wall of one side of the lifting groove (10), and a sliding block (17) of the lifting groove is fixedly connected with the middle part of the side surface of the lifting block (11).