CN214526825U

CN214526825U - Stacker anti-falling protection device

Info

Publication number: CN214526825U
Application number: CN202120625128.2U
Authority: CN
Inventors: 刘景义; 包龙; 曲伟强
Original assignee: Taiyuan Gaoko Rich Logistics Storage Equipment Co ltd
Current assignee: Taiyuan Gaoko Rich Logistics Storage Equipment Co ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-10-29
Anticipated expiration: 2031-03-29

Abstract

The utility model belongs to the technical field of stacker crane's protection device, concretely relates to stacker prevents weighing down protection device. The utility model aims at solving the technical problems of complex structure, long conduction, multiple faults and difficult maintenance existing in the prior anti-falling protection device. The utility model adopts the technical proposal that: the utility model provides a stacker anti-falling protection device, includes apron and base member, wherein: the protection wheel is arranged on the wheel shaft, a supporting shaft arranged at the rear part of the protection wheel support is arranged at the front part of a supporting hole horizontally arranged on the base body, the jackscrew is arranged at the rear part of the front part of the supporting hole, the pressure spring is arranged in the supporting hole and positioned between the supporting shaft and the jackscrew of the protection wheel support, two ends of the wheel shaft are arranged in a U-shaped groove arranged at the front end of the protection wheel support, and the spring piece is arranged on the upper parts of two side surfaces of the U-shaped groove of the protection wheel support and clamps the protection wheel in the U-shaped groove.

Description

Stacker anti-falling protection device

Technical Field

The utility model belongs to the technical field of stacker crane's protection device, concretely relates to stacker prevents weighing down protection device.

Background

The existing elevator, elevator and stacker must be equipped with overspeed and broken rope drop protection devices, the existing elevator and stacker fall protection devices need to realize functions, and must have broken rope and overspeed control mechanisms, the control mechanisms are composed of link mechanisms and overspeed wheel trains, the structure is complex, especially the overspeed wheels of the overspeed control mechanisms are arranged at the bottom of the lifting device, the steel wire rope controlling the overspeed wheels extends from the bottom to the top, and the defects of long conduction, multiple faults, difficult maintenance and the like exist.

Disclosure of Invention

The utility model aims at solving the technical problems of complex structure, long conduction, many faults and difficult maintenance existing in the prior anti-falling protection device and providing the anti-falling protection device for the stacker.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a stacker anti-falling protection device, includes apron and base member, wherein: the protection wheel is arranged on the wheel shaft, a supporting shaft arranged at the rear part of the protection wheel support is arranged at the front part of a supporting hole horizontally arranged on the base body, the jackscrew is arranged at the rear part of the front part of the supporting hole, the pressure spring is arranged in the supporting hole and positioned between the supporting shaft and the jackscrew of the protection wheel support, two ends of the wheel shaft are arranged in a U-shaped groove arranged at the front end of the protection wheel support, and the spring piece is arranged on the upper parts of two side surfaces of the U-shaped groove of the protection wheel support and clamps the protection wheel in the U-shaped groove.

Furthermore, the protection wheel comprises a roller, pawls, pawl shafts, pin shafts and springs, two grooves for placing the pawls are symmetrically formed in the periphery of the roller, pin shaft holes are formed in one side face of each groove, the pawls are mounted in the grooves through the pawl shafts and can rotate, the pin shafts and the springs are mounted in the pin shaft holes and located on the springs, and one ends of the pin shafts are in contact with one side faces of the pawls.

Furthermore, the shape of the pawl is matched with that of a groove arranged on the roller, and a concave vacancy is formed in the side face, adjacent to the pin shaft, of the pawl.

Further, the roller is made of a non-metal material or a metal material.

The utility model has the advantages that:

the utility model discloses install on elevating gear, the gyro wheel all the time with guide rail remain stable's contact under pressure spring's effect. When the roller rotates and is overspeed, the pawl rotates around the pawl shaft and is thrown out centrifugally, the spring pushes the pin shaft to be inserted into the concave vacancy on the side surface of the pawl, the pawl keeps bouncing outwards, the roller is pulled out from the U-shaped groove of the protective wheel bracket and is embedded between the inclined surface of the base body and the guide rail to realize braking, and the aim of preventing falling is fulfilled. The anti-falling protection device solves the technical problems of complex structure, long conduction, multiple faults and difficult maintenance of the existing anti-falling protection device. Compared with the background art, the utility model has the advantages of simple structure, volume and occupation space are little, the reaction is sensitive, safe and reliable and the maintenance is simple and convenient. Simultaneously the utility model discloses can realize universalization, standardization, provide lifting machine, the single two column stacker of different models and use, can also provide the transformation of old equipment, economic technology nature is good.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a left side view of FIG. 1;

FIG. 4 is a cross-sectional view A-A of FIG. 1;

fig. 5 is a schematic structural view of the protection wheel of the present invention;

fig. 6 is a schematic view of the utility model after the pawl is thrown out;

in the figure: 1-cover plate; 2-a substrate; 3-a guide rail; 4-substrate bevel; 5-a protective wheel support; 6-a roller; 7-top thread; 8-a pawl; 9-a pawl shaft; 10-a pin shaft; 11-a spring; 12-a spring leaf; 13-a wheel axle; 14-pressure spring.

Detailed Description

The invention is further described with reference to the following figures and examples.

As shown in fig. 1 to 6, the stacker fall protection device in this embodiment includes a cover plate 1 and a base body 2, wherein: the protection wheel is arranged on the wheel shaft 13, a supporting shaft arranged at the rear part of the protection wheel support 5 is arranged at the front part of a supporting hole horizontally arranged on the base body 2, the jackscrew 7 is arranged at the rear part of the front part of the supporting hole, the pressure spring 14 is arranged in the supporting hole and positioned between the supporting shaft of the protection wheel support 5 and the jackscrew 7, two ends of the wheel shaft 13 are arranged in a U-shaped groove arranged at the front end of the protection wheel support 5, and the spring plate 12 is arranged at the upper parts of two side surfaces of the U-shaped groove of the protection wheel support 5 and clamps the protection wheel in the U-shaped groove. The cover plate 1 covers the base body 2 to protect the protective wheel system.

As shown in fig. 5 and 6, the protection wheel is composed of a roller 6, pawls 8, pawl shafts 9, pin shafts 10 and springs 11, two grooves for placing the pawls are symmetrically arranged on the periphery of the roller 6, pin shaft holes are arranged on one side surfaces of the grooves, the pawls 8 are arranged in the grooves through the pawl shafts 9 and can rotate, the pin shafts 10 and the springs 11 are arranged in the pin shaft holes, the pin shafts 10 are positioned on the springs 11, and one ends of the pin shafts 10 are in contact with one side surfaces of the pawls 8.

The shape of the pawl 8 is matched with that of a groove arranged on the roller 6, and a concave vacancy is formed in the side surface adjacent to the pin shaft 10.

The roller 6 is made of non-metal materials or metal materials.

The utility model discloses a working process does:

the device is fixed on a lifting device through a base body 2, a roller 6 is arranged between a guide rail 3 and a base body inclined plane 4, a jackscrew 7 is rotated to adjust a pressure spring 14 to push a protection wheel bracket 5, and the guide rail 3 is always attached to the roller 6. When the lifting device falls, the roller 6 rotates and overspeeds, the pawl 8 rotates around the pawl shaft 9 and is thrown centrifugally, the spring 11 pushes the pin shaft 10 to be inserted into a concave vacant position arranged on the side surface of the pawl 8, the pawl 8 keeps bouncing outwards, the roller 6 is pulled out from a U-shaped groove of the protection wheel support 5 and is embedded between the substrate inclined plane 4 and the guide rail 3 to realize braking, and the lifting device is prevented from falling.

The above is only the embodiment of the present invention, not limiting the scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the present invention, or directly or indirectly applied to other related technical fields, and all included in the same way in the protection scope of the present invention.

Claims

1. The utility model provides a stacker anti-falling protection device, includes apron (1) and base member (2), its characterized in that: the protection wheel is arranged on the wheel shaft (13), a supporting shaft arranged at the rear part of the protection wheel support (5) is arranged at the front part of a supporting hole horizontally arranged on the base body (2), the jackscrew (7) is arranged at the rear part of the front part of the supporting hole, the pressure spring (14) is arranged in the supporting hole and positioned between the supporting shaft of the protection wheel support (5) and the jackscrew (7), two ends of the wheel shaft (13) are arranged in a U-shaped groove arranged at the front end of the protection wheel support (5), and the spring piece (12) is arranged on the upper part of the U-shaped groove of the protection wheel support (5) and clamps the protection wheel in the U-shaped groove.

2. The stacker fall protection device according to claim 1, characterized in that: the protection wheel comprises a roller (6), pawls (8), pawl shafts (9), pin shafts (10) and springs (11), wherein two grooves for placing the pawls are symmetrically formed in the periphery of the roller (6), pin shaft holes are formed in one side faces of the grooves, the pawls (8) are arranged in the grooves through the pawl shafts (9) and can rotate, the pin shafts (10) and the springs (11) are arranged in the pin shaft holes, the pin shafts (10) are located on the springs (11), and one ends of the pin shafts (10) are in contact with one side faces of the pawls (8).

3. The stacker fall protection device according to claim 2, characterized in that: the shape of the pawl (8) is matched with that of a groove arranged on the roller (6), and a concave vacancy is formed in one surface adjacent to the pin shaft (10).