CN217350284U

CN217350284U - Anti-falling safety device convenient to disassemble and assemble

Info

Publication number: CN217350284U
Application number: CN202221098190.1U
Authority: CN
Inventors: 汤宏永
Original assignee: Jiangxi Shandian Motor Co ltd
Current assignee: Jiangxi Shandian Motor Co ltd
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2022-09-02
Anticipated expiration: 2032-05-09

Abstract

The utility model discloses a prevent weighing down breaker convenient to dismouting, the lift board and install the anti-falling breaker body on the lift board, it has the fixed cover that the locking prevents weighing down the breaker body to rotate on the lift board, run through in the fixed cover be provided with the trepanning of preventing weighing down breaker body adaptation, fixed cover is kept away from the trepanning edge of lift board one side and is equipped with the spacing groove of a plurality of around opening, the vertical downwardly extending of this spacing groove is fixed inside and is close to the one side and this trepanning intercommunication of trepanning, the trepanning expands outside spacing ring of formation in spacing groove bottom department, prevent weighing down the stopper that is provided with a plurality of and spacing groove adaptation on the outer wall of breaker body. The anti-falling safety device body is inserted into the sleeve hole along the limiting groove, the fixing sleeve is rotated to enable the limiting groove to shift, and the limiting block is positioned in the limiting ring to fix the anti-falling safety device body, so that the operation is simple and convenient; after the fixing is finished, the connecting piece can prevent the fixed sleeve from rotating, and further prevent the safety device body from slipping off from the sleeve hole.

Description

Anti-falling safety device convenient to disassemble and assemble

Technical Field

The utility model relates to a prevent weighing down breaker technical field, more specifically say, relate to a prevent weighing down breaker convenient to dismouting.

Background

At present, the anti-falling safety device is mainly used in lifting machinery such as overhead travelling cranes, elevators, three-dimensional garages, freight elevators and the like, is used for safety protection when the overhead travelling cranes fall accidentally, can effectively protect the life safety of ground operators and the damage of lifting objects, and is applied to high-place operation places such as metallurgical automobile manufacturing, petrochemical engineering, engineering construction, electric power, ships, communication, pharmacy, bridges and the like.

The anti-falling safety device in the prior art is generally fixed by bolts, is relatively laborious in the process of installation and disassembly, and has influence on the working efficiency of personnel.

SUMMERY OF THE UTILITY MODEL

To the problems existing in the prior art, the utility model aims to provide a prevent weighing down breaker convenient to dismouting

In order to solve the problem, the utility model adopts the following technical proposal.

A falling-preventing safety device convenient to disassemble and assemble comprises an elevator plate and a falling-preventing safety device body arranged on the elevator plate, a fixed sleeve for locking the anti-falling safety device body is rotatably arranged on the elevator plate, a sleeve hole matched with the anti-falling safety device body is arranged in the fixed sleeve in a penetrating way, a plurality of limiting grooves are annularly arranged on the edge of the sleeve hole on the surface of the fixing sleeve, which is far away from the elevator plate, the limit groove vertically extends downwards to the inside of the fixed sleeve and one surface close to the sleeve hole is communicated with the sleeve hole, the trepan boring is expanded at the bottom of the limiting groove to form a limiting ring, a plurality of limiting blocks matched with the limiting groove are arranged on the outer wall of the anti-falling safety device body, and the horizontal height of the limiting block is smaller than that of the limiting ring, and the fixed sleeve is provided with a connecting piece which is embedded with the anti-falling safety device body to prevent the fixed sleeve from rotating.

By adopting the technical scheme, the anti-falling safety device body is inserted into the sleeve hole along the limiting groove, then the fixing sleeve is rotated to shift the limiting groove, and the limiting block is positioned in the limiting ring to fix the anti-falling safety device body, so that the operation is simple and convenient; after the fixing is finished, the connecting piece can prevent the fixed sleeve from rotating, and further prevent the safety device body from slipping off from the sleeve hole.

The anti-falling safety device is characterized in that the connecting piece comprises a plurality of connecting plates connected to the outer wall of the fixed sleeve in a surrounding mode through hinges, the connecting plates are combined to form a conical platform, external threads are arranged on the outer wall, away from one end of the fixed sleeve, of the collected connecting plates, the anti-falling safety device body is sleeved with screw sleeves which are connected with the connecting plates in a threaded mode and lock all the connecting plates together, grooves are formed in the outer wall of the safety device body in an inwards-recessed mode, and protrusions matched with the grooves are arranged on the inner side faces of the connecting plates.

By adopting the technical scheme, the collected connecting plate can not only prevent the fixed sleeve from rotating, but also cover the surface of the fixed sleeve provided with the limiting groove to prevent sundries from falling into the connecting plate.

And a plurality of ends of the connecting plates, which are far away from the fixed sleeve, are attached to the outer wall of the anti-falling safety device body.

By adopting the technical scheme, the structure is more compact, and the wrapping performance of the conical table formed by the connecting plate is better.

Further, the protrusions are arranged on the inner wall of the connecting plate close to one end of the external thread.

By adopting the technical scheme, the bulge is convenient to be matched with the groove on the anti-falling safety device body in an embedded manner.

The anti-falling safety device is characterized in that the anti-falling safety device further comprises a plurality of limiting grooves, the limiting grooves are uniformly arranged on the outer ring of the trepanning in a surrounding mode, the limiting blocks are also uniformly arranged on the outer wall of the anti-falling safety device body in a surrounding mode, and the limiting grooves correspond to the limiting blocks in the same number and in the same positions one to one.

By adopting the technical scheme, the limiting is more uniform, and the connection is firmer.

And further setting, wherein the radius of the limiting ring is greater than the distance from the central shaft of the anti-falling safety device body to the outer side edge of the limiting block.

By adopting the technical scheme, the limiting block can be contained in the limiting ring, and then the limiting ring can rotate.

Further, a thread groove is formed in the middle end of the bottom of the anti-falling safety device body, a thread block is fixedly mounted at the middle end of the elevator plate, and the thread block is in threaded connection with the thread groove.

By adopting the technical scheme, the connection between the elevator plate and the anti-falling safety device body is strengthened.

Drawings

FIG. 1 is a side sectional view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a side sectional view of the fixing sleeve of the present invention;

fig. 4 is a state diagram of the connection board after being recovered.

Fig. 5 is an enlarged view of fig. 1A.

The numbering in the figures illustrates:

1. an elevator plate; 2. the anti-falling safety device body; 21. a limiting block; 22. a thread block; 23. a thread groove; 24. a groove; 3. fixing a sleeve; 31. trepanning; 32. a limiting groove; 33. a limiting ring; 4. a connecting plate; 41. a protrusion; 42. an external thread; 5. a threaded sleeve.

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.

As shown in figures 1-5, the anti-falling safety device convenient to disassemble and assemble comprises an elevator plate 1 and an anti-falling safety device body 2 arranged on the elevator plate 1, wherein a fixed sleeve 3 for locking the anti-falling safety device body 2 is rotatably arranged on the elevator plate 1, and the anti-falling safety device body 2 and the elevator plate 1 can be rotatably connected by adopting a bearing. The fixed cover 3 is interior to run through to be provided with the trepanning 31 of preventing weighing down the 2 adaptations of breaker body, fixed cover 3 is kept away from the trepanning 31 edge of 1 one side of elevator board and is gone up the encircleing and is opened the spacing groove 32 that is equipped with a plurality of, and the vertical downwardly extending of this spacing groove 32 is fixed cover 3 inside and is close to the one side of trepanning 31 and this trepanning 31 intercommunication, the trepanning 31 expands outward in spacing groove 32 bottom department and forms spacing collar 33, be provided with the stopper 21 of a plurality of and spacing groove 32 adaptation on the outer wall of the safety ware body 2 of preventing weighing down. The horizontal height of the limiting block 21 is smaller than that of the limiting ring 33, the radius of the limiting ring 33 is larger than the distance from the central shaft of the anti-falling safety device body 2 to the outer side edge of the limiting block 21, and therefore the limiting block 21 can rotate in the limiting ring 33. The anti-falling safety device body 2 is inserted into the fixing sleeve 3 along the groove 24, at the moment, the limiting block 21 is positioned in the limiting ring 33, the fixing sleeve 3 is rotated to enable the groove 24 and the limiting block 21 to be displaced, and the anti-falling safety device body 2 is locked in the fixing sleeve 3. A thread groove 23 is formed in the middle end of the bottom of the anti-falling safety device body 2, a thread block 22 is fixedly mounted at the middle end of the elevator plate 1, and the thread block 22 is in threaded connection with the thread groove 23 to strengthen connection between the anti-falling safety device body 2 and the elevator plate 1.

As shown in fig. 1, 2 and 4, the fixed sleeve 3 is provided with a connecting piece which is embedded with the anti-falling safety device body 2 so as to prevent the fixed sleeve 3 from rotating. The connecting piece includes a plurality of connecting plate 4 of encircleing hinged joint on fixed cover 3 outer wall, and the combination of receiving of a plurality of connecting plate 4 forms the toper platform, and is provided with external screw thread 42 on the outer wall of the connecting plate 4 one end of keeping away from fixed cover 3 after receiving again, cup joint on the safety ware body 2 and with connecting plate 4 threaded connection and then with all connecting plates 4 turnbuckles 5 together, sunken formation recess 24 on the outer wall of safety ware body, the medial surface of connecting plate 4 is provided with the arch 41 with recess 24 adaptation. After the anti-falling safety device body 2 is inserted into the fixed sleeve 3 and rotationally locked, the connecting plates 4 are folded into a conical platform, the protrusions 41 on the connecting plates 4 are embedded into the grooves 24 of the anti-falling safety device body 2, all the connecting plates 4 are locked together through the threaded sleeves 5, at the moment, the connecting plates 4 and the anti-falling safety device body 2 are fixed into a whole and cannot relatively rotate, and the limiting block 21 cannot move and slip from the limiting groove 32. One end of the connecting plates 4, which is far away from the fixed sleeve 3, is attached to the outer wall of the anti-falling safety device body 2, so that supporting connection points are arranged at two ends of the connecting plates 4, and the formed conical table is firmer in structure. Because the inner wall of the end of the retracted connecting plate 4 far away from the fixed sleeve 3 is closest to the anti-falling safety device body 2, the protrusion 41 is arranged on the inner wall of the connecting plate 4 close to one end of the external thread 42, so that the protrusion 41 and the groove 24 can be conveniently embedded and matched.

As shown in fig. 2, the plurality of limiting grooves 32 are uniformly arranged on the outer ring of the trepan 31 in a surrounding manner, the plurality of limiting blocks 21 are also uniformly arranged on the outer wall of the anti-falling safety device body 2 in a surrounding manner, and the limiting grooves 32 are the same as the limiting blocks 21 in number and are in one-to-one correspondence with the limiting blocks 21 in position. Here, the number of the limiting blocks 21 and the limiting grooves 32 needs to be three or more, and the anti-falling safety device body 2 and the fixing sleeve 3 can be locked more firmly.

The utility model discloses theory of use will prevent weighing down during breaker body 2 inserts trepanning 31, stopper 21 need insert along recess 24, makes stopper 21 and spacing groove 32 dystopy at rotatory fixed cover 3, then in receiving the protruding 41 of all connecting plates 4 on with the connecting plate 4 and embedding the recess 24 of preventing weighing down breaker body 2, rotate swivel nut 5 with all connecting plates 4 locking together again, at last with the rotatory thread groove 23 completion installation of inserting of threaded block 22, then the direction operation during the dismantlement.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a prevent weighing down breaker convenient to dismouting, includes lift board (1) and installs prevent weighing down breaker body (2) on lift board (1), and odd characteristics lie in: it installs fixed cover (3) that locking prevents weighing down breaker body (2) to rotate on lift board (1), run through in fixed cover (3) be provided with trepanning (31) of preventing weighing down breaker body (2) adaptation, trepanning (31) edge of keeping away from lift board (1) one side in fixed cover (3) is gone up to wind and is equipped with a plurality of spacing groove (32), this spacing groove (32) vertical downwardly extending to fixed cover (3) inside and be close to one side and this trepanning (31) intercommunication of trepanning (31), trepanning (31) are located to expand outward and are formed spacing ring (33) in spacing groove (32) bottom, prevent being provided with stopper (21) of a plurality of and spacing groove (32) adaptation on the outer wall of breaker body (2), just the level of stopper (21) is less than the level of spacing ring (33), install on fixed cover (3) with prevent weighing down breaker body (2) inlay card and then prevent fixed cover (3) pivoted level (3) level height A connecting member.

2. The anti-falling safety device convenient to disassemble and assemble as claimed in claim 1, wherein: the connecting piece is including surrounding a plurality of connecting plate (4) of hinged joint on fixed cover (3) outer wall, a plurality of the combination is received to connecting plate (4) and is formed into conical platform, and is provided with external screw thread (42) on keeping away from the outer wall of fixed cover (3) one end connecting plate (4) after receiving again, prevent weighing down swivel nut (5) that has cup jointed on breaker body (2) and then locked all connecting plate (4) together with connecting plate (4) threaded connection, sunken being formed with recess (24) on the outer wall of breaker body (2), connecting plate (4) medial surface is provided with protruding (41) with recess (24) adaptation.

3. The anti-falling safety device convenient to disassemble and assemble as claimed in claim 2, wherein one end of the connecting plates (4) far away from the fixed sleeve (3) is attached to the outer wall of the anti-falling safety device body (2).

4. The fall arrest safety device, which facilitates disassembly and assembly, according to claim 2, wherein: the bulge (41) is arranged on the inner wall of the connecting plate (4) close to one end of the external thread (42).

5. The anti-falling safety device convenient to disassemble and assemble as claimed in claim 1, wherein: the anti-falling safety device is characterized in that the limiting grooves (32) are uniformly arranged on the outer ring of the trepanning (31) in a surrounding mode, the limiting blocks (21) are also uniformly arranged on the outer wall of the anti-falling safety device body (2) in a surrounding mode, and the limiting grooves (32) are identical to the limiting blocks (21) in number and correspond to the limiting blocks (21) in position one to one.

6. The anti-falling safety device convenient to disassemble and assemble according to claim 1, characterized in that the radius of the limiting ring (33) is larger than the distance from the central shaft of the anti-falling safety device body (2) to the outer side edge of the limiting block (21).

7. The anti-falling safety device convenient to disassemble and assemble as claimed in claim 1, wherein: a thread groove (23) is formed in the middle end of the bottom of the anti-falling safety device body (2), a thread block (22) is fixedly mounted at the middle end of the elevator plate (1), and the thread block (22) is in threaded connection with the thread groove (23).