CN219567354U

CN219567354U - Falling protector

Info

Publication number: CN219567354U
Application number: CN202321954458.1U
Authority: CN
Inventors: 陈震; 屈宏磊; 吴建民; 常浩; 陈烈; 于博; 张宇; 许乃文; 高扬; 李璐阳; 梁天昊; 杨建宇; 谢华龙; 李耿瑜; 刘金慧; 马洪波; 许志勇; 陈燕兵; 何龙平; 何忠
Original assignee: Liaoning Siji Technology Service Co ltd; State Grid Liaoning Electric Power Co ltd Emergency Repair Center; Liaoning Power Transmission And Distribution Engineering Co ltd; State Grid Corp of China SGCC
Current assignee: Liaoning Siji Technology Service Co ltd; State Grid Liaoning Electric Power Co ltd Emergency Repair Center; Liaoning Power Transmission And Distribution Engineering Co ltd; State Grid Corp of China SGCC
Priority date: 2023-07-25
Filing date: 2023-07-25
Publication date: 2023-08-22
Anticipated expiration: 2033-07-25

Abstract

The utility model discloses a falling protector, and belongs to the technical field of hook machinery. A fall arrestor, comprising: an opening bracket with a C-shaped structure, wherein the opening of the lower half part of the bracket is a hanging point; the inflection point of the lock rod is rotationally connected to the opening of the upper half part of the bracket, and when the bracket is hung on an object, the lock rod rotates towards the bracket around the inflection point of the lock rod to seal the opening of the bracket; when the lifting device is used, the opening of the bracket is closed by the lock rod driven by the dead weight of the bracket, the lock rod is prevented from unlocking from the inside of the bracket by the connecting rod, and when the high-altitude bracket is taken down, the metal plate is pushed upwards by the unmanned aerial vehicle or the manual lifting rod, so that the lock rod rotates anticlockwise, the opening of the bracket is opened, and the lifting device is simple and quick, and does not need manual lifting operation.

Description

Falling protector

Technical Field

The utility model relates to the technical field of hook machinery, in particular to a falling protector.

Background

The hook is mainly used for hanging objects at high altitude or for hoisting the objects, the hook preventing falling off is mainly used for building construction or factory placement, the traditional hook is in a shape of semi-surrounding or one side of opening, in order to ensure use safety, a normally closed safety piece capable of automatically resetting is usually additionally arranged at the opening, and the hook can be formed into a fully-surrounding shape after the hook is used for hanging the objects.

In the prior art, although the use safety is improved, when the structure is also used for hanging at high altitude, the normally closed safety piece is elastically reset, the hook is required to be manually pressed into the hook to be opened, and when the hook is required to be taken down subsequently, the hook is required to be manually stirred, when the structure is used for hanging objects, the hook is at high altitude, the worker is required to ascend to work for taking down the hook, and the practical use process is complicated.

Disclosure of Invention

The utility model aims to overcome the defect that the anti-falling hook in the prior art needs to be unlocked manually and is complicated to use.

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

a fall arrestor, comprising: an opening bracket with a C-shaped structure, wherein the opening of the lower half part of the bracket is a hanging point; the lock rod is in an L-shaped structure, the inflection point of the lock rod is rotationally connected to the opening of the upper half part of the support, and when the support is hung on an object, the lock rod rotates to the support around the inflection point of the lock rod, so that the opening of the support is closed.

In order to promote the convenience of breaking away from, preferably still include unlocking portion for open the opening of support, unlocking portion includes: the rocker is fixedly connected to the lock rod and revolves around the inflection point; the guide plate is fixedly connected to the top of the support, a driving block is connected to the guide plate in a sliding manner, the driving block is connected with the top end of the rocker in a rotating manner through a connecting rod, and when the driving block slides up and down, the rocker drives the lock rod to close or open the opening of the support.

In order to improve the convenience of empty unblock in advance, further, fixedly connected with extension rod on the drive block, the one end fixedly connected with metal sheet that the extension rod kept away from the drive block, when the metal sheet was in the low level, the connecting rod was parallel with the top surface of support.

Preferably, the guide plate is provided with a guide groove, guide posts penetrate through two sides of the driving block, and the guide posts are slidably connected in the guide groove.

In order to improve locking stability, preferably, a first accommodating groove is formed in an opening of the upper half portion of the bracket, and the lock rod is rotatably connected in the first accommodating groove.

Preferably, a second accommodating groove is formed in the opening of the lower half part of the bracket, a hanging column is fixedly connected in the second accommodating groove, and a connecting rope is arranged on the hanging column.

Further, the lock lever includes: a driving plate with a T-shaped cross section; the sealing plate is connected with one end of the driving plate, the rocker is fixedly connected to the sealing plate, the connecting point of the driving plate and the sealing plate is an inflection point, and when the sealing plate seals the opening of the support, the bottom surface of the driving plate is parallel to the top surface of the support.

Preferably, the end of the sealing plate away from the driving plate is fixedly connected with an extension plate, and when the sealing plate seals the opening of the support, the extension plate extends into the second accommodating groove.

Preferably, the included angle between the driving plate and the sealing plate is 60-120 degrees.

Further, the included angle between the driving plate and the sealing plate is 90 degrees.

Compared with the prior art, the utility model provides the anti-falling device, which has the following beneficial effects:

1. according to the anti-falling device, the connecting rod is parallel to the top surface of the support, when the locking rod has a tendency of anticlockwise rotation, the force applied by the top of the rocker to the connecting rod is counteracted by the driving block, so that the locking rod cannot be unlocked by applying force from the inside of the support, and the locking rod can be unlocked only by changing the horizontal state of the connecting rod, so that the use safety is further ensured;

2. this safety hook keeps away from the one end fixedly connected with extension board of drive plate through the shrouding, when the shrouding seals the opening of support, the extension board extends to in the second accommodation groove to prevent that the distal end of shrouding from rocking, cause the incomplete closure to the support open-ended.

The device is characterized in that the opening of the bracket is closed by the lock rod driven by the dead weight of the bracket, the lock rod is prevented from unlocking from the inside of the bracket by the connecting rod, and the metal plate is pushed upwards by the unmanned plane or the manual lifting rod when the high-altitude bracket is taken down, so that the lock rod rotates anticlockwise, the opening of the bracket is opened, and the device is simple and quick and does not need manual climbing operation.

Drawings

FIG. 1 is a schematic view of a safety hook according to the present utility model;

FIG. 2 is a view showing a state of use of the fall arrester according to the present utility model;

FIG. 3 is a schematic view of a safety hook support according to the present utility model;

FIG. 4 is a schematic view of a lock rod of a safety brake device according to the present utility model;

fig. 5 is a schematic structural view of a fall arrester according to the present utility model.

In the figure: 1. a bracket; 101. a first accommodating groove; 102. a second accommodating groove; 2. a guide plate; 201. a guide groove; 3. a lock lever; 301. a sealing plate; 302. a driving plate; 303. an extension plate; 4. a rocker; 5. a guide post; 6. a driving block; 601. an extension rod; 7. a metal plate; 8. a connecting rod; 9. and (5) connecting ropes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Examples: referring to fig. 1-5, a fall arrestor includes: the support 1 with an opening at one side is in a C-shaped structure, wherein the C-shaped structure is formed by a rod piece with a right angle and a long length and two inclined rods extending out of the far end of the rod piece with the right angle, the opening at the lower half part of the support 1 is a hanging point, a second accommodating groove 102 is formed in the position of the hanging point, a hanging column is fixedly connected in the second accommodating groove 102, a connecting rope 9 is arranged on the hanging column, and an object to be hung can be bound on the connecting rope 9; the lock rod 3 with an L-shaped structure, the inflection point of the lock rod 3 is rotationally connected to the opening of the upper half part of the support 1, when the support 1 is hung on a plate-shaped or rod-shaped object or the like, the lock rod 3 rotates to the support 1 around the inflection point of the lock rod 3, and the opening of the support 1 is closed, so that the support 1 is fully closed, and the use safety is ensured.

Here, the action state shown in fig. 1 to 2 is that the lock rod 3 integrally rotates clockwise around the inflection point, the opening is closed from the outer side of the support 1, the lock rod 3 can be driven to rotate to close the opening of the support 1 through the self weight of the support 1 and the matching of the object while the reset of the lock rod 3 is not affected, and the structure is simpler and the use is more convenient.

After the use, it is of course necessary to unlock the opening of the bracket 1, so as to remove the bracket 1 hanging at a high place, and specifically, we have devised an unlocking part for opening the opening of the bracket 1, which includes: the rocker 4 is fixedly connected to the lock rod 3, and the rocker 4 can revolve around an inflection point; the guide plate 2 is fixedly connected to the top of the bracket 1, the guide plate 2 is slidably connected with a driving block 6, specifically, the guide plate 2 is provided with a guide groove 201, guide posts 5 penetrate through two sides of the driving block 6, the guide posts 5 are slidably connected in the guide groove 201, the driving block 6 is rotatably connected with the top end of the rocker 4 through a connecting rod 8, and when the driving block 6 slides upwards, the rocker 4 drives the lock rod 3 to rotate clockwise to seal the opening of the bracket 1, so that the use safety is improved; when the driving block 6 slides downwards, the rocker 4 drives the lock rod 3 to rotate anticlockwise to open the opening of the bracket 1, so that the bracket 1 is convenient to take down, and the specific mode of enabling the driving block 6 to move can be that a motor drives a screw to rotate, the driving block 6 is driven to move upwards in a mode of meshing the screw with a threaded hole on the driving block 6, and the driving block 6 at a high position can also be manually pushed to move by using a long rod piece.

More ingenious, we remain former support 1 through gravity drive locking lever 3 pivoted characteristic, fixedly connected with extension rod 601 on drive piece 6, and the one end fixedly connected with metal sheet 7 of drive piece 6 is kept away from to extension rod 601, at this moment, can directly draw up metal sheet 7 through unmanned aerial vehicle carrying magnet's mode to directly rotate locking lever 3 anticlockwise, reach the purpose that support 1 opening was opened.

Here, when the metal plate 7 is in a low position, that is, when the driving block 6 is positioned at the bottom of the guide plate 2, the connecting rod 8 is parallel to the top surface of the bracket 1, and when the locking rod 3 has a counterclockwise rotation trend, the force applied to the connecting rod 8 by the top of the rocker 4 is counteracted by the driving block 6, so that the locking rod 3 cannot be unlocked by applying force from the inside of the bracket 1, and the locking rod 3 can be unlocked only by changing the horizontal state of the connecting rod 8, thereby further ensuring the use safety.

In addition, a first accommodating groove 101 is formed in the opening of the upper half part of the bracket 1, and the lock rod 3 is rotatably connected in the first accommodating groove 101.

The specific lock lever 3 includes: the cross section of the driving plate 302 is in a T shape, the T shape is mainly formed by splicing two flat plates with equal length, wherein the transverse flat plates are rectangular, and the vertical flat plates are right trapezoid; the length of the sealing plate 301 is greater than that of the driving plate 302, the rocking rod 4 is fixedly connected to the sealing plate 301, the connection point between the driving plate 302 and the sealing plate 301 is an inflection point, and when the sealing plate 301 seals the opening of the bracket 1, the bottom surface of the driving plate 302 is parallel to the top surface of the bracket 1.

One end of the sealing plate 301 away from the driving plate 302 is fixedly connected with an extension plate 303, when the opening of the bracket 1 is closed by the sealing plate 301, the extension plate 303 extends into the second accommodating groove 102, so that the distal end of the sealing plate 301 is prevented from shaking, and the opening of the bracket 1 is not completely closed.

The included angle between the driving plate 302 and the sealing plate 301 is 60-120 degrees, and the preferred included angle is 90 degrees here, namely the driving plate 302 and the sealing plate 301 are spliced to form an L-shaped structure, so that the simplicity of processing and manufacturing is ensured.

In the utility model, when the bracket 1 is used, the bracket 1 is directly hung on an overhead object from the opening, at the moment, the driving plate 302 is in contact with the object, so that the sealing plate 301 rotates clockwise around the inflection point, the opening of the bracket 1 is closed, the object can be hung on the connecting rope 9, the use safety is ensured, when the bracket 1 at the high altitude needs to be taken down, the metal plate 7 can be pushed upwards through an unmanned plane or a manual lifting rod, so that the lock rod 3 rotates anticlockwise, the opening of the bracket 1 is opened, and the utility model is simple and quick, and does not need manual climbing operation.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. A fall arrester, characterized by comprising:

an opening bracket (1) with a C-shaped structure, wherein the opening of the lower half part of the bracket (1) is a hanging point;

the lock rod (3) with an L-shaped structure is rotationally connected to the opening of the upper half part of the support (1) at the inflection point of the lock rod (3), and when the support (1) is hung on an object, the lock rod (3) rotates to the support (1) around the inflection point of the lock rod, so that the opening of the support (1) is closed.

2. The fall arrester according to claim 1, further comprising an unlocking part for opening the opening of the bracket (1), the unlocking part comprising:

the rocker (4) is fixedly connected to the lock rod (3), and the rocker (4) revolves around an inflection point;

the guide plate (2) is fixedly connected to the top of the support (1), the guide plate (2) is connected with the driving block (6) in a sliding manner, the driving block (6) is rotationally connected with the top end of the rocker (4) through the connecting rod (8), and when the driving block (6) slides up and down, the rocker (4) drives the lock rod (3) to close or open the opening of the support (1).

3. The fall arrester according to claim 2, wherein the driving block (6) is fixedly connected with an extension rod (601), one end of the extension rod (601) away from the driving block (6) is fixedly connected with a metal plate (7), and when the metal plate (7) is in a low position, the connecting rod (8) is parallel to the top surface of the bracket (1).

4. A fall arrester according to claim 2 or 3, characterized in that the guide plate (2) is provided with a guide groove (201), the two sides of the driving block (6) are penetrated with guide posts (5), and the guide posts (5) are slidably connected in the guide groove (201).

5. A fall arrester according to claim 2 or 3, characterized in that the opening of the upper part of the bracket (1) is provided with a first accommodating groove (101), and the lock lever (3) is rotatably connected in the first accommodating groove (101).

6. The fall arrester according to claim 5, wherein a second accommodating groove (102) is formed in the opening of the lower half part of the bracket (1), a hanging column is fixedly connected in the second accommodating groove (102), and a connecting rope (9) is arranged on the hanging column.

7. A fall arrester according to claim 6, characterized in that the locking lever (3) comprises:

a drive plate (302) having a T-shaped cross section;

the sealing plate (301) is connected with one end of the driving plate (302), the rocker (4) is fixedly connected to the sealing plate (301), the connecting point of the driving plate (302) and the sealing plate (301) is an inflection point, and when the sealing plate (301) seals the opening of the bracket (1), the bottom surface of the driving plate (302) is parallel to the top surface of the bracket (1).

8. The fall arrester according to claim 7, wherein an end of the sealing plate (301) remote from the driving plate (302) is fixedly connected with an extension plate (303), and when the sealing plate (301) closes the opening of the bracket (1), the extension plate (303) extends into the second accommodating groove (102).

9. A fall arrester according to claim 7, characterized in that the angle between the drive plate (302) and the closure plate (301) is 60 ° -120 °.

10. A fall arrester according to claim 9 wherein the angle between the drive plate (302) and the closure plate (301) is 90 °.