CN217676463U

CN217676463U - Anti-falling safety protection device for hoisting equipment

Info

Publication number: CN217676463U
Application number: CN202221477452.5U
Authority: CN
Inventors: 张小川; 张羽
Original assignee: Chuanjing Industry Hubei Co ltd
Current assignee: Chuanjing Industry Hubei Co ltd
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2022-10-28
Anticipated expiration: 2032-06-14

Abstract

The utility model belongs to the technical field of hoisting equipment, a safety device that prevents falling for hoisting equipment, including the top crossbeam, the bottom four corners of top crossbeam is equipped with the crane boom, all be fixed with the lift post between the crane boom at top crossbeam both ends, be equipped with electric hoist mechanism on the top crossbeam, electric hoist mechanism lower extreme is connected with the lifting hook through the steel cable, electric hoist mechanism below is equipped with prevents falling the bracket, it prevents falling to be equipped with on the bracket to prevent falling and prevents falling and fall the saddle, the four corners of the bracket of preventing falling is fixed with the gauge rod, prevent falling the bracket and prevent all being equipped with the logical groove that supplies the steel cable to remove in the middle of the saddle of preventing falling, prevent falling the bracket and prevent falling and be equipped with a plurality of buffer gear between the saddle. The utility model discloses a set up in electric block mechanism below and prevent falling the bracket and prevent that the saddle can in time catch the electronic block of tenesmus, prevent that electronic block from dropping, simultaneously, be equipped with buffer gear between the bracket of preventing falling and the saddle of preventing falling, can alleviate electronic block's striking damage reduction cost of maintenance.

Description

Anti-falling safety protection device for hoisting equipment

Technical Field

The utility model relates to a hoisting equipment field specifically says to a safety device that prevents falling for hoisting equipment.

Background

The hoisting machinery can also be called hoisting equipment, is an important tool and equipment for realizing mechanization and automation of production process, reducing heavy physical labor and improving labor productivity in industrial, transportation and building enterprises, has a large amount of various hoisting equipment in China, uses a small amount of hoisting equipment and has a small hoisting tonnage in laboratories of colleges and universities, but has low use frequency and is more important for maintenance and safe operation of the hoisting equipment. The bottom of most crane girders is connected with an electric hoist in a sliding mode, a steel wire rope of the electric hoist vertically faces downwards and is provided with a hook, goods to be transported are hung, the electric hoist and the crane are controlled to move through an operating panel or a controller, and the goods are moved to a destination. In the process of crane work, electric block probably falls because of reasons such as equipment is old, overhaul maintenance untimely, workman drags electric block wire rope, appears pounding safety accidents such as workman, and the goods damages simultaneously, causes economic loss. In the lifting process, the steel wire rope is easy to swing, so that the swinging of the steel wire rope can drive the lifted equipment or goods to swing, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a safety device that prevents falling for hoisting equipment to solve the problem that provides in the above-mentioned background art.

The technical scheme of the utility model is that: the utility model provides a safety device that prevents falling for hoisting equipment, including the top crossbeam, the bottom four corners of top crossbeam is equipped with the crane boom, all be fixed with the lift post between the crane boom of top crossbeam both ends, be equipped with electric hoist mechanism on the top crossbeam, electric hoist mechanism's lower extreme has the lifting hook through the steel cable connection, electric hoist mechanism below is equipped with prevents the bracket that falls, it is equipped with the saddle of preventing falling on the bracket to prevent falling, the four corners of the bracket of preventing falling is fixed with the gag lever post, the other end of gag lever post runs through prevent that the saddle of falling is fixed with the spacing piece, prevent falling the bracket with prevent all being equipped with the confession in the middle of the saddle of falling the logical groove that the steel cable removed, prevent falling the bracket with prevent being equipped with a plurality of buffer gear between the saddle of falling.

Further, buffer gear is including buffer beam, boss, buffer spring, dashpot, cushion post and attenuator, the one end of buffer beam is fixed in the bottom of the saddle of preventing falling, the other end of buffer beam is fixed with the boss, the cushion post is fixed in the top of the bracket of preventing falling, it supplies to have seted up in the cushion post gliding dashpot about the boss, be provided with the attenuator in the dashpot, the one end of attenuator is fixed in the bottom of boss, the other end of attenuator is fixed in on the inner wall of dashpot, the attenuator overcoat is equipped with buffer spring, buffer spring's one end is fixed in the bottom of boss, buffer spring's the other end is fixed in on the inner wall of dashpot.

Further, two all be equipped with elevating system in the lift post, elevating system is including driving motor, bevel gear group, threaded rod, second sliding block and first sliding block, driving motor is fixed in the lower extreme of lift post, driving motor's output passes through bevel gear group with the threaded rod transmission is connected, be equipped with one section external screw thread on the threaded rod, first sliding block with the second sliding block all with external screw thread screw-thread fit on the threaded rod, first sliding block is located the top of second sliding block, two first sliding block respectively with the both ends fixed connection of falling the bracket.

Furthermore, the bottom sliding connection who prevents the bracket that falls has prevents the swing span, prevent having seted up two restriction grooves on the swing span, the steel cable passes the restriction groove, be provided with a plurality of restriction piece in the restriction groove, the restriction piece with prevent being equipped with a plurality of reset spring between the swing span, the steel cable set up in a plurality of between the restriction piece.

Furthermore, support rods are arranged at two ends of the bottom side of the anti-falling bracket, one end of each support rod is fixedly connected with the bottom end of the anti-falling bracket, and the other end of each support rod is fixedly connected with the second sliding block.

Further, when the electric hoist mechanism is in when moving on the top crossbeam, the anti-swing frame under the drive of steel cable on the anti-falling bracket with the synchronous movement of electric hoist mechanism.

The utility model discloses an improve and provide a safety device that prevents falling for hoisting equipment here, compare with prior art, have following improvement and advantage:

one is as follows: the utility model discloses a set up in electric block mechanism below and prevent falling the bracket and prevent that the saddle can in time catch the electronic block of tenesmus, prevent that electric block from dropping, cause the incident, simultaneously, be equipped with buffer gear between the bracket of preventing falling and the saddle of preventing falling, can alleviate electric block's striking damage, reduce cost of maintenance.

The second step is as follows: the utility model discloses a set up elevating system on the lift post, can drop when falling the saddle that prevents at electric block, timely transport ground with electric block, reduce the potential safety hazard, make things convenient for the staff to take the electric block of damage simultaneously.

The second step is as follows: the utility model discloses there is the anti-swing frame falling bracket bottom sliding connection of preventing, when the steel cable took place to swing, the steel cable was injectd in the restriction inslot, reduced the amplitude of fluctuation, reduced the potential safety hazard.

Drawings

The invention is further explained below with reference to the drawings and examples:

fig. 1 is a schematic perspective view of a hoisting frame according to the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is an exploded view of the falling-prevention bracket of the present invention;

FIG. 4 is an enlarged view of FIG. 2 at A;

fig. 5 is a top view of the anti-swing frame of the present invention.

Description of reference numerals:

1. a hoisting frame; 2. a top cross beam; 3. an electric hoist mechanism; 4. a steel cord; 5. a hook; 6. A drive motor; 7. a bevel gear set; 8. a threaded rod; 9. a second slider; 10. a first slider; 11. a support bar; 12. a fall prevention saddle; 13. a fall prevention bracket; 14. a limiting rod; 15. a limiting block; 16. a through groove; 17. a buffer rod; 18. a boss; 19. a buffer spring; 20. a buffer tank; 21. a buffer column; 22. a damper; 23. an anti-swing frame; 24. a limiting member; 25. A return spring; 26. a limiting groove; 27. and (4) lifting the column.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings 1 to 1, and the technical solutions in the embodiments of the present invention will be clearly and completely described. 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.

The utility model provides a prevent safety device that falls for hoisting equipment is provided here to the improvement, as shown in figure 1-picture, including top beam 2, top beam 2's bottom four corners is equipped with hoisting frame 1, all be fixed with lift post 27 between 2 both ends hoisting frame 1 of top beam, be equipped with electric hoist mechanism 3 on the

top beam

2, 3 lower extremes of electric hoist mechanism are connected with lifting hook 5 through steel cable 4, 3 below of electric hoist mechanism are equipped with the bracket 13 of preventing falling, it is equipped with the saddle 12 of preventing falling to prevent falling to be equipped with on the bracket 13, the four corners of the bracket 13 of preventing falling is fixed with gag lever post 14, the other end of gag lever post 14 runs through saddle 12 is fixed with spacing block 15, prevent falling bracket 13 with it all is equipped with the confession to prevent falling in the middle of saddle 12 the logical groove 16 that the steel cable 4 removed, prevent falling bracket 13 with prevent falling be equipped with a plurality of buffer gear between the saddle 12 of preventing falling. The falling prevention bracket 13 and the falling prevention supporting platform 12 are arranged below the electric hoist mechanism 3, so that the falling electric hoist can be timely connected, the electric hoist is prevented from falling, and safety accidents are caused.

Specifically, buffer gear is including buffer beam 17, boss 18, buffer spring 19, dashpot 20, buffer column 21 and attenuator 22, the one end of buffer beam 17 is fixed in prevent falling the bottom of saddle 12, the other end of buffer beam 17 is fixed with boss 18, buffer column 21 is fixed in prevent falling the top of bracket 13, the confession has been seted up in buffer column 21 gliding dashpot 20 about boss 18, be provided with attenuator 22 in the dashpot 20, the one end of attenuator 22 is fixed in the bottom of boss 18, the other end of attenuator 22 is fixed in on the inner wall of dashpot 20, attenuator 22 overcoat is equipped with buffer spring 19, buffer spring 19's one end is fixed in the bottom of boss 18, buffer spring 19's the other end is fixed in on the inner wall of dashpot 20. A buffer mechanism is arranged between the anti-falling bracket 13 and the anti-falling bracket 12, so that the impact damage of the electric hoist can be reduced, and the maintenance cost is reduced.

Specifically, two all be equipped with elevating system in the lift post 27, elevating system is including driving motor 6, bevel gear group 7, threaded rod 8, second sliding block 9 and first sliding block 10, driving motor 6 is fixed in the lower extreme of lift post 27, driving motor 6's output passes through bevel gear group 7 with the transmission of threaded rod 8 is connected, be equipped with one section external screw thread on the threaded rod 8, first sliding block 10 with second sliding block 9 all with external screw thread screw-thread fit on the threaded rod 8, first sliding block 10 is located the top of second sliding block 9, two first sliding block 10 respectively with the both ends fixed connection of the bracket 13 that prevents falling. Through set up elevating system on lift post 27, can be when electric block drops on the saddle 12 that prevents falling, timely transport electric block ground, reduce the potential safety hazard, make things convenient for the staff to take the electric block of damage simultaneously.

Specifically, the bottom end of the anti-falling bracket 13 is connected with an anti-swing frame 23 in a sliding manner, two limiting grooves 26 are formed in the anti-swing frame 23, the steel rope 4 penetrates through the limiting grooves 26, a plurality of limiting parts 24 are arranged in the limiting grooves 26, a plurality of reset springs 25 are arranged between the limiting parts 24 and the anti-swing frame 23, and the steel rope 4 is arranged between the limiting parts 24. The bottom end of the falling prevention bracket 13 is connected with a swinging prevention frame 23 in a sliding mode, when the steel rope 4 swings, the steel rope 4 is limited in the limiting groove 26, the swinging amplitude is reduced, and potential safety hazards are reduced.

Specifically, the two ends of the bottom side of the anti-falling bracket 13 are provided with support rods 11, one end of each support rod 11 is fixedly connected with the bottom end of the anti-falling bracket 13, and the other end of each support rod 11 is fixedly connected with the second sliding block 9. The stability of the falling prevention bracket 13 can be increased by providing the support rod 11 at the bottom end of the falling prevention bracket 13.

Specifically, when the electric hoist mechanism 3 moves on the top cross beam 2, the anti-swing frame 23 is driven by the steel rope 4 to move synchronously with the electric hoist mechanism 3 on the anti-falling bracket 13.

The working principle is as follows: firstly, a worker hooks a lifting hook 5 on goods, an electric hoist mechanism 3 drives the goods to move through a steel rope 4, the steel rope 4 penetrates through a limiting groove 26, when the steel rope 4 swings in the moving process, the steel rope 4 can be in contact with a limiting part 24 in the limiting groove 26, a reset spring 25 is arranged between the limiting part 24 and an anti-swing frame 23, the steel rope 4 is protected, if the electric hoist possibly falls due to old equipment, untimely maintenance and repair, workers pull the steel rope of the electric hoist and the like, the electric hoist falls on an anti-falling support 12, the anti-falling support 12 is driven to move downwards, a buffer rod 17 is driven to extrude a buffer spring 19, the anti-falling support 12 rebounds under the elastic force of the buffer spring 19, at the moment, a damper 22 plays a damping role in damping the buffer spring 19, namely, the anti-falling support tends to be stable after rebounding, impact damage of the electric hoist is reduced, after the electric hoist falls on the anti-falling support 12, driving motors 6 at two ends are started to drive a threaded rod 8 to rotate, a first sliding block 10 and a second sliding block 9 on the threaded rod 8 to move downwards at the same time, the anti-falling support 13 is driven to move downwards, and damage to the electric hoist is convenient for the ground to be transported to the ground, and damage of the electric hoist, and the electric hoist is reduced.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a prevent safety device that falls for hoisting equipment which characterized in that: including top beam (2), the bottom four corners of top beam (2) is equipped with crane boom (1), all be fixed with between top beam (2) both ends crane boom (1) and lift post (27), be equipped with electric hoist mechanism (3) on top beam (2), electric hoist mechanism (3) lower extreme is connected with lifting hook (5) through steel cable (4), electric hoist mechanism (3) below is equipped with prevents falling bracket (13), be equipped with on preventing falling bracket (13) and prevent falling saddle (12), the four corners of preventing falling bracket (13) is fixed with gag lever post (14), the other end of gag lever post (14) runs through prevent falling saddle (12) and be fixed with spacing block (15), prevent falling bracket (13) with prevent all being equipped with the confession in the middle of falling saddle (12) lead to groove (16) that steel cable (4) removed, prevent falling bracket (13) with be equipped with a plurality of buffer gear between falling saddle (12).

2. A fall arrest safety shield apparatus for lifting equipment according to claim 1, in which: buffer gear is including buffer beam (17), boss (18), buffer spring (19), dashpot (20), buffer column (21) and attenuator (22), the one end of buffer beam (17) is fixed in prevent falling the bottom of saddle (12), the other end of buffer beam (17) is fixed with boss (18), buffer column (21) are fixed in prevent falling the top of bracket (13), set up the confession in buffer column (21) boss (18) gliding dashpot (20) from top to bottom, be provided with attenuator (22) in dashpot (20), the one end of attenuator (22) is fixed in the bottom of boss (18), the other end of attenuator (22) is fixed in on the inner wall of dashpot (20), attenuator (22) overcoat is equipped with buffer spring (19), the one end of buffer spring (19) is fixed in the bottom of boss (18), the other end of buffer spring (19) is fixed in on the inner wall of dashpot (20).

3. A fall arrest safety shield apparatus for lifting equipment according to claim 1, in which: two all be equipped with elevating system in lift post (27), elevating system is including driving motor (6), bevel gear group (7), threaded rod (8), second sliding block (9) and first sliding block (10), driving motor (6) are fixed in the lower extreme of lift post (27), the output of driving motor (6) passes through bevel gear group (7) with threaded rod (8) transmission is connected, be equipped with one section external screw thread on threaded rod (8), first sliding block (10) with second sliding block (9) all with external screw thread screw-thread fit on threaded rod (8), first sliding block (10) are located the top of second sliding block (9), two first sliding block (10) respectively with the both ends fixed connection of falling bracket (13).

4. A fall arrest safety shield apparatus for lifting equipment according to claim 1, in which: the bottom sliding connection who prevents falling bracket (13) has prevents swing span (23), prevent having seted up two restriction slots (26) on swing span (23), steel cable (4) pass restriction slot (26), be provided with a plurality of restriction piece (24) in restriction slot (26), restriction piece (24) with prevent being equipped with a plurality of reset spring (25) between swing span (23), steel cable (4) set up in a plurality of between restriction piece (24).

5. A fall arrest safety shield apparatus for lifting equipment according to claim 3, in which: the anti-falling device is characterized in that supporting rods (11) are arranged at two ends of the bottom side of the anti-falling bracket (13), one end of each supporting rod (11) is fixedly connected with the bottom end of the anti-falling bracket (13), and the other end of each supporting rod (11) is fixedly connected with the second sliding block (9).

6. A fall protection safety shield for lifting equipment as claimed in claim 4, wherein: when the electric hoist mechanism (3) moves on the top cross beam (2), the anti-swing frame (23) is driven by the steel rope (4) to move on the anti-falling bracket (13) synchronously with the electric hoist mechanism (3).