CN113786567B - A safety belt suspension device and method for substation maintenance - Google Patents

Abstract

The invention provides a safety belt suspension device and method for substation maintenance, comprising: a guide rail and a suspension assembly, the guide rail is installed in an area to be repaired, the guide rail is matched and connected with the suspension assembly, and the suspension assembly is provided with a hook , the hook is used to connect the seat belt; the suspension assembly includes a transmission shaft, a moving body, a connecting piece, a rotating body and a locking piece; the transmission rotating shaft is connected with the inner side of the rotating body through the moving body, and the outer side of the rotating body cooperates with the guide rail connection; the connecting piece is rotatably connected with the transmission shaft, and the connecting piece has a structure that cooperates with the locking piece, and the locking or opening of the locking piece is realized when the connecting piece is in the set area; the safety of personnel is ensured, and how Improve the safety of climbing ladders to avoid potential safety hazards caused by repeated unfastening and hanging of hooks.

Description

A safety belt suspension device and method for substation maintenance

technical field

The invention belongs to the technical field of seat belt suspension devices, and in particular relates to a seat belt suspension device and method for substation maintenance.

Background technique

The statements in this section merely provide background information related to the present invention and do not necessarily constitute prior art.

In the existing substation equipment, maintenance personnel carry out maintenance operations by climbing ladders to the height of the substation equipment, and need to use seat belts when using the ladders. In the process of descending and descending, it is necessary to repeatedly hang the two hooks on the top of the ladder to ensure the safety when using the ladder. However, when using the double-ditch seat belt, it is necessary to repeatedly unfasten and hang the seat belt hook, which is cumbersome to operate and makes the work more efficient. Low. In addition, if the hooks are unfastened and hung repeatedly, it may happen that the two hooks are both unfastened easily or negligently, and safety accidents may occur. Therefore, how to improve the safety of the ladder to avoid the repeated unfastening and hanging of the hooks The resulting security risks are technical problems that need to be solved.

SUMMARY OF THE INVENTION

In order to solve the above problems, the present invention proposes a safety belt suspension device and method for substation maintenance, which avoids the potential safety hazards caused by repeated unfastening and hanging of hooks, and improves the safety of climbing ladders.

According to some embodiments, the present invention adopts the following technical solutions:

In a first aspect, the present invention provides a seat belt suspension device for substation maintenance, comprising: a guide rail and a suspension assembly, the guide rail is installed in the area to be repaired, the guide rail is cooperatively connected with the suspension assembly, and the suspension assembly is provided with a suspension assembly. There are hooks, the hooks are used to connect the seat belt;

The suspension assembly includes a transmission shaft, a moving body, a connecting piece, a rotating body and a locking piece; the transmission rotating shaft is connected with the inner side of the rotating body through the moving body, and the outer side of the rotating body is matched and connected with the guide rail; the connecting piece is connected with the transmission The rotating shaft is connected in rotation, and the connecting piece has a structure matched with the locking piece, so that the locking or opening of the locking piece is realized when the connecting piece is in the set area.

As an embodiment, a limit structure is provided on the transmission shaft and/or the rotating body for restricting the sliding of the moving body, so that the positive driving of the transmission rotating shaft can drive the rotating body to rotate in a set direction.

As an embodiment, the suspension assembly further includes a slider housing, which is slidably connected to the guide rail.

As an embodiment, the locking member is an L-shaped ratchet structure.

As an embodiment, the transmission shaft is provided with a threaded area, the connecting piece is matched with the threaded area of the transmission shaft through the threaded hole, and the end of the connecting piece has a return spring, which is used to keep the connecting piece always at the edge of the threaded area At this point, the connecting piece can be rotated again to the threaded area when the rotating body performs a reverse movement.

As an embodiment, the transmission shaft is provided with a bar-shaped protrusion, and the moving body has a groove matched with the bar-shaped protrusion; the transmission shaft is provided with a rotary body in the area with the bar-shaped protrusion.

As an embodiment, the moving body is an annular structure, the inner circle of the annular structure has grooves that cooperate with the bar-shaped protrusions, and the outer circle of the annular structure has protrusions that cooperate with the rotating body.

As an embodiment, the inside of the rotating body has a chute that cooperates with the protrusion of the moving body, and the setting area of the chute is provided with a limit structure, and the limit structure can be set on both sides of the rotating body. plate.

As an embodiment, the connector is a block-shaped structure with threaded holes, and at least one side surface of the block-shaped structure is a surface with a trend of size gradient.

In a second aspect, the present invention provides a working method of the seat belt suspension device for substation maintenance as described in the first aspect, comprising:

Through the forward transmission of the transmission shaft, the moving body is driven to move, and the connecting piece is driven to move to the locking piece, so that the locking piece is in an open state;

After the first locking member is opened, the transmission shaft continues to rotate, driving the moving body to move to the limit structure, so that the rotating body is connected with the transmission shaft, the transmission shaft drives the rotating body to rotate, and the suspension assembly is driven forward through the cooperation of the rotating body and the transmission structure. sports;

When the transmission shaft moves in the reverse direction, the connecting piece moves in the reverse direction, and the locking part is gradually locked to make the position fixed, ensuring the safety of personnel.

Compared with the prior art, the beneficial effects of the present invention are:

1. The present invention adopts a rail and a suspension assembly, the guide rail is installed in the area to be repaired, the guide rail is connected with the suspension assembly, and the suspension assembly is provided with a hook, the hook is used to connect the safety belt, and the positive direction of the suspension assembly is utilized. The mechanism of movement opening and reverse movement locking can ensure the freedom of the upward movement of the safety belt of the personnel, and can also ensure that the suspension components are reversely locked when the person falls due to mistakes, so that the safety belt can be stably fixed to ensure the safety of the personnel. It effectively solves the problem of how to improve the safety of climbing ladders and avoid potential safety hazards caused by repeated unfastening and hanging of hooks.

2. The suspension assembly used in the present invention includes a transmission shaft, a moving body, a connecting piece, a rotating body and a locking piece; the transmission rotating shaft is connected with the inner side of the rotating body through the moving body, and the outer side of the rotating body is connected with the guide rail; the The connecting piece is rotatably connected with the transmission shaft, and the connecting piece has a structure that cooperates with the locking piece. When the connecting piece is in the set area, the locking or opening of the locking piece is realized, so that the suspension assembly can be driven when it moves upwards. The mechanism moves downward or moves upward when the person pulls the seat belt, and when moving downward, due to the cooperation between the locking member and the rotating body, the reverse movement will make the rotating body cooperate with the locking member to achieve locking when moving downward. , so that the position can be effectively fixed by the suspension component after the person falls, and the safety is improved.

Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will become apparent from the description which follows, or may be learned by practice of the invention.

In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below, and are described in detail as follows in conjunction with the accompanying drawings.

Description of drawings

The accompanying drawings forming a part of the present invention are used to provide further understanding of the present invention, and the exemplary embodiments of the present invention and their descriptions are used to explain the present invention, and do not constitute an improper limitation of the present invention.

Fig. 1 is the structural schematic diagram of the seat belt suspension device for substation maintenance provided by the present invention;

2 is a schematic diagram of the internal structure of the suspension assembly provided by the present invention;

Fig. 3 is the structural disassembly schematic diagram of the suspension assembly provided by the present invention;

Among them: 1. Guide rail; 2. Climbing ladder; 3. Guide rail rack; 4. Suspension assembly; 10. Transmission shaft; 11. Connecting piece; 12. Locking piece; 13. Moving body;

Detailed ways:

The present invention will be further described below with reference to the accompanying drawings and embodiments.

It should be noted that the following detailed description is exemplary and intended to provide further explanation of the invention. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

It should be noted that the terminology used herein is for the purpose of describing specific embodiments only, and is not intended to limit the exemplary embodiments according to the present invention. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural as well, furthermore, it is to be understood that when the terms "comprising" and/or "including" are used in this specification, it indicates that There are features, steps, operations, devices, components and/or combinations thereof.

Example 1:

This embodiment provides a safety belt suspension device for substation maintenance, including a ladder, a guide rail, and a suspension slider assembly, wherein the ladder is fixed on the side of the substation equipment, and one side of the ladder is along its length. A guide rail is fixed in the direction, and two suspension slider assemblies that can slide in the guide rail are matched and connected, each suspension slider assembly is provided with a hook, and the safety belt is respectively connected to the two suspension sliders through two lanyards. Hook connections on block components.

The suspension slider assembly includes a slider housing, the slider housing is slidably connected to the guide rail, the inside of the slider housing is a "concave" cavity with two sides hugging the guide rail, and the slider housing is also provided with a sliding block. A limit assembly, the sliding limit assembly includes a transmission shaft, a moving body, a connecting piece, a rotating body and a locking member; the transmission rotating shaft is connected with the rotating body through the moving body, and the transmission rotating shaft and/or the rotating body has a limit structure, It is used to restrict the sliding of the moving body, so that the positive drive transmission shaft can drive the rotation of the rotary body in the set direction; the connecting piece is rotatably connected with the transmission shaft, and the connecting piece has a structure that cooperates with the locking piece for connecting the connecting piece. The locking or opening of the locking element is achieved at the set area.

As an embodiment, the rotating body is connected with the slider housing through the transmission shaft, which can drive the slider housing to move; when the connecting member is in the set area to realize the cooperation with the locking member, the transmission shaft is driven in the reverse direction to realize the locking member. Perform the locking action of the locking mechanism to be locked.

As an embodiment, the transmission shaft is connected to an external drive mechanism, and the external drive mechanism can be a motor; the transmission shaft has a bar-shaped protrusion, and the moving body has a groove matched with the bar-shaped protrusion; the transmission shaft is provided with a bar-shaped protrusion. The rotating body is installed in the raised area.

As an embodiment, the moving body is an annular structure, the inner circle of the annular structure has grooves that cooperate with the bar-shaped protrusions, and the outer circle of the annular structure has protrusions that cooperate with the rotating body.

As one of the embodiments, the moving body is a sliding plate.

As an embodiment, the inside of the rotating body has a chute that cooperates with the protrusion of the moving body, and the setting area of the chute is provided with a limit structure, and the limit structure can be set on both sides of the rotating body. The disc, or, inside the rotating body is provided with a projection which is matched with the projection of the moving body, so as to limit the position. The moving body is mounted on the rotating rod through the inner circle, and is matched with the chute of the rotating body through the outer circle.

As one of the embodiments, the rotating body has a transmission member, which may be a toothed structure or a chain-like structure. Preferably, the rotating body is a first gear.

As an embodiment, the transmission shaft is fixedly connected to the rod transmission member at the set area, and there is a set distance between the rod transmission member and the rotating body. Preferably, the rod transmission member is a second gear.

Further, the connecting piece is a block-shaped structure with threaded holes, and at least one side surface of the block-shaped structure is a surface with a size gradient, which can be an inclined surface or a circular arc surface. There is a threaded area on the transmission shaft, the connecting piece is matched with the threaded area of the transmission shaft through the threaded hole, and the end of the connecting piece is provided with a return spring. The spring is used to keep the connecting piece always at the edge of the threaded area, and can make the connecting piece rotate to the threaded area again when the rotating body performs a reverse movement to perform a movement in a set direction. The spring limiting structure can be a protrusion provided on the transmission shaft, or other supporting surfaces with limit can be used. One side surface of the connecting piece is provided with a guide structure, and the guide structure can be a guide protrusion, which can cooperate with other guide grooves to perform linear motion with constant angle.

As one of the embodiments, the connecting piece is a thread button, and the thread button is a trapezoidal structure.

As an embodiment, the locking member is a ratchet structure, specifically a ratchet with an L-shaped structure, wherein one end of the L-shaped structure is fixed by a rotating shaft, and can cooperate with the connecting piece to realize locking and opening actions, L The slope of the other end of the type structure is a right-angled triangle, which can realize the locking action of the locking mechanism to be locked.

As one of the embodiments, the locking member is a bayonet, and the bayonet can cooperate with the cassette.

Further, there are two of the connecting pieces, which are located on both sides of the transmission shaft respectively. The moving directions of the two connecting pieces are opposite, and the locking pieces are also provided with two correspondingly. The locking directions of the two locking pieces are opposite. on the contrary.

Embodiment 2:

This embodiment provides a working method of a seat belt suspension device for substation maintenance, including:

Through the forward transmission of the transmission shaft, the moving body is driven to move, and the connecting piece is driven to move to the locking piece, so that the locking piece is in an open state;

After the locking member is opened, the transmission shaft continues to rotate, driving the moving body to move to the limit structure, so that the rotating body is connected with the transmission rotating shaft, the transmission rotating shaft drives the rotating body to rotate, and the suspension assembly is driven to move forward through the cooperation of the rotating body and the transmission structure;

When the transmission shaft moves in the reverse direction, the connecting piece moves in the reverse direction, and the locking part is gradually locked to make the position fixed, ensuring the safety of personnel.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Although the specific embodiments of the present invention have been described above in conjunction with the accompanying drawings, they do not limit the scope of protection of the present invention. Those skilled in the art should understand that on the basis of the technical solutions of the present invention, those skilled in the art do not need to pay creative efforts. Various modifications or variations that can be made are still within the protection scope of the present invention.

Claims (5)

1. A safety belt suspension device for substation maintenance is characterized in that, comprising: a guide rail and a suspension assembly, the guide rail is installed in the area to be repaired, the guide rail and the suspension assembly are cooperatively connected, and the suspension assembly is provided with a hook , the hook is used to connect the seat belt; The suspension assembly includes a transmission shaft, a moving body, a connecting piece, a rotating body and a locking piece; the transmission rotating shaft is connected with the inner side of the rotating body through the moving body, and the outer side of the rotating body is matched and connected with the guide rail; the connecting piece is connected with the transmission The rotating shaft is connected in rotation, and the connecting piece has a structure that cooperates with the locking piece, and the locking or opening of the locking piece is realized when the connecting piece is in the set area; The transmission shaft is provided with a threaded area, the connecting piece is matched with the threaded area of the transmission shaft through the threaded hole, and the end of the connecting piece is provided with a return spring, the return spring is used to make the connecting piece always at the edge of the threaded area, and can be used in the rotating body. When the reverse movement is performed, the connecting piece is rotated to the threaded area again; the transmission shaft has a strip-shaped protrusion, and the moving body has a groove matched with the strip-shaped protrusion; the transmission shaft is installed and rotated in the area with the strip-shaped protrusion body; The moving body is an annular structure, the inner circle of the annular structure has grooves that cooperate with the strip-shaped protrusions, and the outer circle of the annular structure has protrusions that cooperate with the rotating body; The inside of the rotating body has a chute that cooperates with the protrusion of the moving body. The setting area of the chute is provided with a limiting structure. The limiting structure adopts the limiting disks arranged on both sides of the rotating body. The limiting structure is used for The sliding of the moving body is restricted, so that the positive drive transmission shaft can drive the rotating body to rotate in the set direction. 2 . The seat belt suspension device according to claim 1 , wherein the suspension assembly further comprises a slider housing, and the slider housing is slidably connected to the guide rail. 3 . 3 . The seat belt suspension device according to claim 1 , wherein the locking member is an L-shaped ratchet structure. 4 . 4 . The seat belt suspension device according to claim 1 , wherein the connecting member is a block-shaped structure with threaded holes, and at least one side surface of the block-shaped structure is a surface with a trend of size gradient. 5 . 5. A working method of a seat belt suspension device for substation maintenance as described in any one of claims 1-4, characterized in that, comprising: Through the forward transmission of the transmission shaft, the moving body is driven to move, and the connecting piece is driven to move to the locking piece, so that the locking piece is in an open state; After the locking member is opened, the transmission shaft continues to rotate, driving the moving body to move to the limit structure, so that the rotating body is connected with the transmission shaft, the transmission shaft drives the rotating body to rotate, and the suspension assembly is driven to move forward through the cooperation of the rotating body and the transmission shaft; When the transmission shaft moves in the reverse direction, the connecting piece moves in the reverse direction, and the locking part is gradually locked to make the position fixed, ensuring the safety of personnel.

Images