CN115402976A

CN115402976A - Falling-proof device for stacker

Info

Publication number: CN115402976A
Application number: CN202210841392.9A
Authority: CN
Inventors: 李国华; 汪再俊; 王建兴; 张军旺
Original assignee: Shenzhen Li Biological Flow Warehousing Technology Co ltd
Current assignee: Shenzhen Li Biological Flow Warehousing Technology Co ltd
Priority date: 2022-07-18
Filing date: 2022-07-18
Publication date: 2022-11-29

Abstract

The invention discloses a falling prevention device for a stacker, and particularly relates to the field of safe use of the stacker, which comprises a bearing platform and a rail, wherein the bearing platform and the rail are both positioned in a supporting mechanism, the bearing platform is arranged in a sliding manner through a falling prevention mechanism and the rail, the falling prevention mechanism comprises a sliding body and a braking assembly, the sliding body is arranged on one side of the rail in a sliding manner and is controlled by a linear driving mechanism, and the braking assembly is connected onto the sliding body.

Description

Falling-proof device for stacker

Technical Field

The invention relates to the field of safe use of a stacker, in particular to a falling-preventing device for the stacker.

Background

When common stacker that is used for the lifting transport goods to appointed height when using, often can take place the condition that the platform that is used for bearing the weight of the goods falls suddenly on the stacker, and the common device that is used for preventing the platform from falling has calliper locking device, but this kind of device starts and needs certain time, if in the activation time, the platform can cause great damage to the goods on platform and the platform if the platform falls to ground.

Chinese patent No. CN114572899a describes that the improved design of the safety gear structure makes the safety gear have a large clamping force, and three sets of safety gears connected in series up and down can firmly hold the elevator guide rail to provide a very large locking force, so as to lock the cargo bed on the elevator guide rail, so that the cargo bed will not fall. But does not describe how to act as a buffer.

Chinese patent with publication number CN104016267A states that the inner side surface of the anti-falling inclined block corresponding to the upright post I-steel is set as an inclined surface with the lower end corresponding to the anti-falling cylindrical surface; the speed measuring device is fixed on the lifting platform and can control the hydraulic cylinder to act by transmitting a signal instruction; the device can effectively ensure the safe operation of the stacker lifting platform. But does not describe how to act as a buffer.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides a falling prevention device for a stacker, which aims to solve the technical problems that: when the common stacker that is used for the lifting to carry the goods to appointed height is in use, often can take place the circumstances that the platform that is used for bearing the weight of the goods suddenly falls on the stacker, and the common device that is used for preventing the platform from falling has calliper locking device, but this kind of device starts and needs certain time, if in the start-up time, can cause great damage to the goods on platform and the platform if the platform falls to ground.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a falling protection device for stacker, is including the plummer and the track that all are located supporting mechanism, the plummer slides through preventing weighing down the mechanism and track and sets up, prevent weighing down the mechanism and include the slider and braking component, orbital one side slides and is provided with the slider, the slider is controlled by sharp actuating mechanism, is connected with braking component on the slider.

Preferably, the brake assembly comprises a first module and a second module, the first module comprises a first limit block, a first air bag, a second limit block, a second air bag, a swing rod and a barbed nail, the first limit block is fixedly arranged on the sliding body, the second limit block is arranged on the sliding body in an elastic sliding mode, the first limit block and the second limit block are attached to slide in a laminating mode, a cavity is formed in the first limit block, the first air bag and the second air bag are connected to the cavity in a communicated mode, the first limit block is provided with the swing rod in an elastic rotating mode, the barbed nail is fixedly arranged on the swing rod, the second air bag is located on a moving path of the second air bag located on the barbed nail, and the second limit block is connected with the second module.

Preferably, the first air bag and the second air bag are positioned on two opposite surfaces of the first limiting block.

Preferably, the first limiting block is fixedly provided with a first magnet, the second limiting block is fixedly provided with a second magnet, and the first magnet and the second magnet attract each other magnetically.

Preferably, the second module includes drive unit and brake unit, the drive unit includes neutral lever, driving plate, gear and rack, neutral lever and the fixed setting of stopper two, the both sides of neutral lever are all rotated and are provided with the driving plate, and the neutral lever passes through driving plate and the eccentric rotation setting of gear, the gear is installed on supporting mechanism, the slip is provided with the rack on the supporting mechanism, gliding rack and the gear correspond the meshing transmission.

Preferably, the braking unit comprises side plates, one end of the rack is fixedly provided with the side plate, an air bag III is fixedly arranged between the two side plates, and the other end of the rack is fixedly provided with a clamping block used for tightly holding a rope.

Preferably, the rack is rotatably provided with a sliding block, a side panel penetrates through the sliding block, and the side panel is rotatably arranged on the supporting mechanism.

Preferably, the supporting mechanism still includes the vehicle bottom dish, it is provided with the wheel to rotate on the vehicle bottom dish, the fixed track that is provided with on the vehicle bottom dish is located the fixed plummer that is provided with on the inside sliding body of track, the fixed mounting panel that is provided with in below of plummer, the gear all rotates with the mounting panel with side board and sets up, rack and mounting panel slide and set up, the fixed cover plate that is provided with on the plummer, install telescopic cylinder on the cover plate, telescopic cylinder's expansion end is fixed and is provided with the clamping jaw, the clamping jaw is used for holding the goods with adding.

The invention has the technical effects and advantages that: in the invention, when the platform carried on the track falls, in order to reduce the influence of the falling of the platform on the platform and the goods loaded on the platform, the falling speed of the platform can be reduced through the braking action of the braking component in the anti-falling mechanism when the platform falls until the platform stops moving, and if the platform does not stop, the impact of the ground on the platform can be reduced by the buffer action of the braking component, so that the aims of preventing the platform from falling and protecting the platform and the goods are fulfilled.

Drawings

Fig. 1 is a schematic structural diagram of a fall protection device for a stacker according to the present invention.

FIG. 2 is a schematic view of the structure of the spike of the present invention.

FIG. 3 is a schematic structural view of a third airbag of the present invention.

Fig. 4 is a schematic structural diagram of the mounting plate of the present invention.

The reference signs are:

1. a chassis; 2. a wheel; 3. mounting a plate; 4. a bearing platform; 5. goods; 6. a track; 7. a cover plate; 8. a telescopic cylinder; 9. a first limiting block; 10. a magnet I; 11. a first air bag; 12. a second limiting block; 13. a second magnet; 14. a second air bag; 15. a swing rod; 16. pricking nails; 17. a rope; 18. a neutral lever; 19. a drive plate; 20. a gear; 21. a rack; 22. a side plate; 23. a third air bag; 24. a clamping block; 25. a side panel; 26. a slider; 27. a sliding body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1, the falling prevention device for the stacker comprises a bearing platform 4 and a rail 6 which are both positioned in a supporting mechanism, wherein the bearing platform 4 is connected with the rail 6 in a sliding manner through a falling prevention mechanism, the falling prevention mechanism comprises a sliding body 27 and a braking assembly, one side of the rail 6 is connected with the sliding body 27 in a sliding manner, the sliding body 27 is controlled by a linear driving mechanism, and the braking assembly is connected onto the sliding body 27. In the invention, when the platform carried on the track 6 falls, in order to reduce the influence of the falling of the platform on the platform and the goods loaded on the platform, the falling speed of the platform can be reduced through the braking action of the braking component in the anti-falling mechanism when the platform falls until the platform stops moving, and if the platform does not stop in time, the impact of the ground on the platform can be reduced by the buffer action of the braking component, so that the aims of preventing the platform from falling and protecting the platform and the goods are fulfilled.

As shown in fig. 2, the brake assembly includes a first module and a second module, the first module includes a first limit block 9, a first airbag 11, a second limit block 12, a second airbag 14, a swing rod 15 and a barbed nail 16, the first limit block 9 is fixedly connected to the sliding body 27, the second limit block 12 is elastically and slidably connected to the sliding body 27, the first limit block 9 and the second limit block 12 are in sliding fit, a cavity is formed in the first limit block 9, the first airbag 11 and the second airbag 14 are connected to the cavity, the first airbag 11 is communicated with the second airbag 14, the swing rod 15 is elastically and rotatably connected to the first limit block 9, the barbed nail 16 is fixedly connected to the swing rod 15, the second airbag 14 is located on a moving path of the barbed nail 16, and the second limit block 12 is connected to the second module. If the platform falls, the sliding body 27 can fall along with the platform, the sliding body 27 has downward acceleration, the wind resistance of the swing rod 15 is increased, the wind resistance overcomes the elastic force, the swing rod 15 drives the barbed nail 16 to rotate, the barbed nail 16 punctures the second air bag 14, the first air bag 11 between the first limiting block 9 and the second limiting block 12 is prevented from leaking, the size is reduced, the elastic force between the second limiting block 12 and the sliding body 27 can drive the second limiting block 12 to move upwards, and the second limiting block 12 drives the second module to control the falling speed of the whole platform in time.

As shown in fig. 2, the first air bag 11 and the second air bag 14 are positioned on two opposite surfaces of the first limiting block 9. Due to the design, the swing rod 15 does not interfere with the upward movement of the second limit block 12 during rotation.

As shown in fig. 2, a first magnet 10 is fixedly connected to the first limiting block 9, a second magnet 13 is fixedly connected to the second limiting block 12, and the first magnet 10 and the second magnet 13 attract each other magnetically. When the second limiting block 12 moves upwards, the position of the second limiting block 12 can be stabilized by using the magnetic attraction between the first magnet 10 and the second magnet 13, so that a stable supporting point is further provided for the second module below the second limiting block 12, and the stability of the second module in action is improved.

Example two

Referring to fig. 3, on the basis of the above embodiment, the second module includes a transmission unit and a brake unit, the transmission unit includes a middle lever 18, a transmission plate 19, a gear 20 and a rack 21, the middle lever 18 is fixedly connected to the second limit block 12, the transmission plate 19 is rotatably connected to both sides of the middle lever 18, the middle lever 18 is eccentrically and rotatably connected to the gear 20 through the transmission plate 19, the gear 20 is mounted on the support mechanism, the support mechanism is slidably connected to the rack 21, and the sliding rack 21 and the gear 20 are correspondingly engaged for transmission. The middle lever 18 moves upwards along with the second limiting block 12, so that the middle lever 18 pulls the gear 20 to rotate through the transmission plates 19 on the two sides, and the gear 20 enables the racks 21 on the two sides to approach each other through the meshing transmission action of the gear 20 and the racks 21.

As shown in fig. 3, the braking unit includes a side plate 22, an air bag three 23 and a clamping block 24, the side plate 22 is fixedly connected to one end of the rack 21, the air bag three 23 is fixedly connected between the two side plates 22, and the clamping block 24 for holding the rope 17 is fixedly connected to the other end of the rack 21. When the racks 21 on the two sides are close to each other, the air bag III 23 between the two racks 21 is compressed and extends downwards, if the platform falls to the bottom, the expanded air bag III 23 can play a role in damping and buffering, the air bag III is arranged in the expansion extending direction of the air bag III 23, an upper blocking piece can be fixedly adhered to the air bag III 23 in the direction close to the upper end face of the rack 21, and therefore the air bag III 23 can extend towards the set direction; when the rack 21 drives the clamping blocks 24 to be close to each other, the two clamping blocks 24 can hold the rope 17 for lifting the platform, the rope 17 slides rapidly, the clamping blocks 24 clamp the rope 17, the rapid sliding of the rope 17 can be gradually stopped, and the falling speed of the platform is further controlled.

As shown in fig. 3, a sliding block 26 is rotatably connected to the rack 21, a side panel 25 is inserted into the sliding block 26, and the side panel 25 is rotatably connected to the supporting mechanism. When two racks 21 are close to each other, utilize the slip relation between side panel 25 and the slider 26, can let the side panel 25 of both sides remove the platform both sides to play the effect of guardrail in the both sides of platform, prevent the emergence of the goods condition of sliding from the platform.

As shown in fig. 4, the supporting mechanism further comprises a chassis 1, wheels 2, a mounting plate 3, a bearing table 4, goods 5, a cover plate 7 and a telescopic cylinder 8, the chassis 1 is connected with the wheels 2 in a rotating manner, the chassis 1 is provided with a fixedly connected track 6, the chassis is positioned on a sliding body 27 inside the track 6 and is fixedly connected with the bearing table 4, the mounting plate 3 is fixedly connected with the lower side of the bearing table 4, the gear 20 and the side plate 25 are connected with the mounting plate 3 in a rotating manner, the rack 21 is connected with the mounting plate 3 in a sliding manner, the cover plate 7 is fixedly connected with the bearing table 4, the telescopic cylinder 8 is installed on the cover plate 7, the movable end of the telescopic cylinder 8 is fixedly connected with a clamping jaw, and the clamping jaw is used for clamping the goods 5. Wheel 2 drives vehicle chassis 1 and removes, and foretell platform is plummer 4, and external control mechanism controls the flexible of telescopic cylinder 8 and the opening and shutting of clamping jaw through with telescopic cylinder 8 and clamping jaw electric connection for whole stack link can go on smoothly.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides a falling protection device for stacker, is including plummer (4) and track (6) that all are located supporting mechanism, plummer (4) are through preventing weighing down mechanism and track (6) sliding connection, its characterized in that: the anti-falling mechanism comprises a sliding body (27) and a braking assembly, one side of the track (6) is connected with the sliding body (27) in a sliding mode, the sliding body (27) is controlled by a linear driving mechanism, and the braking assembly is connected onto the sliding body (27).

2. A fall arrest device for a stacker crane according to claim 1, wherein: the brake assembly comprises a first module and a second module, the first module comprises a first limit block (9), a first air bag (11), a second limit block (12), a second air bag (14), a swing rod (15) and a barbed nail (16), the first limit block (9) is fixedly connected to the sliding body (27), the second limit block (12) is connected to the sliding body (27) in an elastic sliding mode, the first limit block (9) and the second limit block (12) are attached to slide, a cavity is formed in the first limit block (9), the first air bag (11) and the second air bag (14) are connected to the cavity in a connecting mode, the first air bag (11) and the second air bag (14) are communicated, the first limit block (9) is connected with the swing rod (15) in an elastic rotating mode, the barbed nail (16) is fixedly connected to the swing rod (15), the second air bag (14) is located on a moving path of the barbed nail (16), and the second limit block (12) is connected with the second module.

3. A fall arrest device for a stacker crane according to claim 2, wherein: the first air bag (11) and the second air bag (14) are positioned on two opposite surfaces of the first limiting block (9).

4. A fall arrest device for a stacker according to claim 3, wherein: fixedly connected with magnet (10) on stopper one (9), fixedly connected with magnet two (13) on stopper two (12), magnet one (10) and magnet two (13) magnetism attract each other.

5. A fall arrest device for a stacker according to any one of claims 2 to 4 wherein: the module two includes drive unit and brake unit, the drive unit includes neutral lever (18), driving plate (19), gear (20) and rack (21), neutral lever (18) and two (12) fixed connection of stopper, the both sides of neutral lever (18) all rotate and are connected with driving plate (19), and neutral lever (18) are connected through driving plate (19) and gear (20) eccentric rotation, gear (20) are installed on supporting mechanism, sliding connection has rack (21) on the supporting mechanism, and gliding rack (21) and gear (20) correspond the meshing transmission.

6. A fall arrest device for a stacker according to claim 5, wherein: the braking unit includes curb plate (22), three (23) of gasbag and presss from both sides tight piece (24), fixedly connected with curb plate (22) are served to one of rack (21), and fixedly connected with gasbag three (23) between two curb plates (22), the other end fixedly connected with of rack (21) is used for embracing tightly the tight piece (24) of clamp of rope (17).

7. A fall arrest device for a stacker according to claim 6, wherein: the rack (21) is rotatably connected with a sliding block (26), a side panel (25) penetrates through the sliding block (26), and the side panel (25) is rotatably connected to the supporting mechanism.

8. A fall arrest device for a stacker crane according to claim 7, wherein: supporting mechanism still includes vehicle bottom dish (1), wheel (2), mounting panel (3), plummer (4), goods (5), cover plate (7) and telescopic cylinder (8), it is connected with wheel (2) to rotate on vehicle bottom dish (1), fixedly connected with track (6) are gone up in vehicle bottom dish (1), lie in fixedly connected with plummer (4) on inside sliding body (27) of track (6), below fixedly connected with mounting panel (3) of plummer (4), gear (20) and side board (25) are all rotated with mounting panel (3) and are connected, rack (21) and mounting panel (3) sliding connection, fixedly connected with cover plate (7) are gone up in plummer (4), install telescopic cylinder (8) on cover plate (7), the expansion end fixedly connected with clamping jaw of telescopic cylinder (8), the clamping jaw is used for holding goods (5) with.