CN218589540U

CN218589540U - Safety belt hanger for operation on top of switch cabinet screen

Info

Publication number: CN218589540U
Application number: CN202222879510.3U
Authority: CN
Inventors: 郭宏展; 黄海平; 郭宏; 张洁平; 冯建宪; 郭健康; 徐文彬; 许郭华; 熊辉
Original assignee: Yiyang Yilian Power Construction Group Co ltd
Current assignee: Yiyang Yilian Power Construction Group Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-03-10
Anticipated expiration: 2032-10-31

Abstract

The utility model provides a safety belt hanger for operation on the top of a switch cabinet screen, which comprises a safety belt hanging ring, a support rod and a connecting base which are connected in sequence; the connecting base is used for being connected with a cabinet top hanging ring arranged at the top of the electric cabinet body; the connecting base comprises a first connecting plate, a second connecting plate and a plug; one of the first connecting plate and the second connecting plate is fixedly connected with the supporting rod; the first connecting plate and the second connecting plate are detachably connected, so that the first connecting plate and the second connecting plate have a fixed state and an unfolded state; when the first connecting plate and the second connecting plate are in a fixed state, the plug is fixedly connected between the first connecting plate and the second connecting plate, and a gap is formed between the first connecting plate and the second connecting plate; the plug is suitable for being inserted into the ring hole of the cabinet top hanging ring and matched with the ring hole, and the gap is suitable for accommodating the ring body of the cabinet top hanging ring; one side of the first connecting plate and/or the second connecting plate, which is far away from the safety belt hanging ring, is suitable for being abutted against the top of the electric cabinet body. The device solves the problem that a proper safety belt hook point is difficult to find in the operation of the top of the electric cabinet.

Description

Safety belt hanger for operation on top of switch cabinet screen

Technical Field

The utility model relates to a power supply unit overhauls safety auxiliary device technical field, concretely relates to cubical switchboard screen top operation safety belt hanger.

Background

In electrical maintenance work, it is sometimes necessary to climb to the top of a cabinet such as a switch cabinet to perform work, but it is necessary to fasten a safety belt to prevent falling in work specifications because of the ascending work. The top of the openable cabinet is generally used as the highest end of the equipment and is not provided with corresponding facilities for hooking safety belts. To meet the requirements of fastening safety belts, the operator usually only hooks the safety belt on a protruding part of the cabinet top, such as a cabinet top hanging ring. However, the safety belt hook is lower than the actual height of the operator, the use requirement that the safety belt should be hung at a high height and used at a low height is not met, and the safety belt hook still has a large risk of falling and falling injury. Therefore, under the condition of the prior art, an operator is difficult to find a proper safety belt hook point during operation on the top of the electric cabinet.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming among the prior art and being difficult to seek the defect of finding suitable safety belt hook point when the operation of electric cabinet top.

In order to solve the technical problem, the application provides a safety belt hanger for the screen top operation of a switch cabinet, which comprises a safety belt hanging ring, a supporting rod and a connecting base which are sequentially connected; the connecting base is used for being connected with a cabinet top hanging ring arranged at the top of the electric cabinet body;

the connecting base comprises a first connecting plate, a second connecting plate and a plug; one of the first connecting plate and the second connecting plate is fixedly connected with the supporting rod; the first connecting plate and the second connecting plate are detachably connected, so that the first connecting plate and the second connecting plate have a fixed state and an unfolded state; when the first connecting plate and the second connecting plate are in a fixed state, the plug is fixedly connected between the first connecting plate and the second connecting plate, and a gap is formed between the first connecting plate and the second connecting plate;

the plug is suitable for being inserted into the annular hole of the cabinet top hanging ring and matched with the annular hole, and the gap is suitable for accommodating the annular body of the cabinet top hanging ring; one side of the first connecting plate and/or the second connecting plate, which is far away from the safety belt hanging ring, is suitable for being abutted against the top of the electric cabinet body.

Optionally, when the first connecting plate and the second connecting plate are in the unfolded state, one end of the plug is fixedly connected to the first connecting plate or the second connecting plate.

Optionally, when the first connecting plate and the second connecting plate are in the unfolded state, one of the first connecting plate and the second connecting plate, which is fixedly connected with the plug, is a plug connecting plate, a strip-shaped hole is formed in the plug connecting plate, and the strip-shaped hole extends towards one side far away from the top of the electric cabinet body on the plug connecting plate; one end of the plug is provided with a plug stud which is positioned in the strip-shaped hole and fastened.

Optionally, an accommodating groove is formed in one side of the first connecting plate and/or the second connecting plate, which is abutted to the top of the electric cabinet, and the accommodating groove is suitable for accommodating a base of the cabinet top hanging ring.

Optionally, when the first connecting plate and the second connecting plate are in a fixed state, the bottom surfaces of the first connecting plate and the second connecting plate 16 are flush, and both are adapted to abut against the top of the electric cabinet.

Optionally, the connecting base further comprises a top plate, and the top surface of the top plate is fixedly connected with the supporting rod; the bottom surface of the top plate is fixedly connected with one of the first connecting plate and the second connecting plate; when the first connecting plate and the second connecting plate are in a fixed state, the top surface of the other of the first connecting plate and the second connecting plate is abutted against the bottom surface of the top plate.

Optionally, one end of the first connecting plate and one end of the second connecting plate are rotatably connected, and a locking device is arranged between the other ends of the first connecting plate and the second connecting plate.

Optionally, the locking device comprises a rotating shaft seat, a stud base, a locking stud, a clamping block and a locking nut; the rotating shaft seat is arranged at one end part of the first connecting plate and the second connecting plate, and the clamping block is arranged at the other end part of the first connecting plate and the second connecting plate; the stud base is rotationally connected with the rotating shaft base and is fixedly connected to one end of the locking stud; the locking nut is arranged at the other end of the locking stud; when the first connecting plate and the second connecting plate are in a fixed state, the locking stud penetrates into the clamping block, and the locking nut is fastened on one side, far away from the rotating shaft seat, of the clamping block.

Optionally, the fixture block is a fork-shaped structure, and an opening of the fork-shaped structure faces to the same direction as the rotation direction of the locking stud.

Optionally, one end of the first connecting plate and one end of the second connecting plate which are rotatably connected are tooth-shaped structures which are embedded into each other.

By adopting the technical scheme, the utility model discloses following technological effect has:

1. the utility model provides a cubical switchboard screen top operation safety belt hanger utilizes the cabinet top rings that the electrical cabinet top generally can all be equipped with in advance, firmly links to each other with it through connecting the base to choose to rise through the bracing piece and set up the safety belt link, thereby for the safety belt provide one satisfy the height hang low support point position of using the principle, the safety that makes the operation personnel when cabinet body tops such as cubical switchboard overhaul the operation can be ensured.

2. The utility model provides a cubical switchboard screen top operation safety belt hanger, in the annular ring through inserting the plug cabinet top rings, again with first even board, the second is even board and plug three are fixed, make and connect base and cabinet top rings formation bolt type connection structure, and first even board and second even board side can with the electric cabinet body top butt, play spacing effect to aforementioned bolt type connection structure's free rotation, thereby also form a supporting role, finally make and connect the base and constitute stable bearing structure for electric cabinet body top, thereby provide the support for the bracing piece and the safety belt link of top, and then satisfied the supporting needs of safety belt when the accident falls.

3. The utility model provides a cubical switchboard screen top operation safety belt hanger through setting up the bar hole to make the plug can adjust in the upper and lower below under the user state, and then adapt to not co-altitude cabinet top rings, improve the adaptability of this device. In addition, the connection mode that the plug studs are loosened and tightened to adjust also actually forms detachable connection, so that plugs with different diameters and even different shapes can be replaced to adapt to different cabinet top hanging rings, and the adaptability is improved.

4. The utility model provides a cubical switchboard screen top operation safety belt hanger can step down, avoid producing the interference to the base through seting up the holding tank on even the board to make two even boards more be close to the ring body of cabinet top rings, avoid producing the bracing piece and excessively swing because of ring body and plug cooperation produce the pine after spaciously, can make two even boards form the centre gripping to the ring body even, thereby provide more firm connection.

5. The utility model provides a cubical switchboard screen top operation safety belt hanger, through the even board that makes and be located cabinet top rings both sides all with the electric cabinet body top butt, alright form bigger holding surface. As the device is a relatively slender object, the larger the bottom surface of the device is, the more stable support can be provided, and the device can provide enough stability when playing a role of fixing the safety belt, thereby ensuring the safety of personnel.

6. The utility model provides a cubical switchboard screen top operation safety belt hanger, through will with the even board of roof components of a whole that can function independently support between roof and cabinet body top surface, thereby make the roof will come from the atress branch of bracing piece and make two strands, every share all is used electric cabinet body top through even board, the power of avoiding conducting to come excessively relies on first even board and the second even connecting piece between the board to transmit between two boards, when the safety belt need exert the effect, the structure alright fine the support that provides of this kind of direct support, avoid connecting piece between two boards because of the atress too big accident throw off and cause the accident.

7. The utility model provides a cubical switchboard screen top operation safety belt hanger, even board one end between them is rotated and is connected through making first even board and second, even be provided with this kind of structure of locking device between the other end between board two at first even board and second for this device has still kept an organic whole nature when expanding the state, need not to pull down parts such as lock nut completely at the dismouting in-process, avoid split type structure to cause the bulk part to lose the back and have to halt the operation because of frequent dismouting in the maintenance operation, finally influence the condition that the maintenance operation normally develoied.

8. The utility model provides a cubical switchboard screen top operation safety belt hanger, even the board rotates the one end of connecting for inlaying the dentate structure who inserts each other through making first even board and second, this kind of cross structure has improved articulated bulk strength for first even board and second are even the connection of board firm, thereby can transmit great atress between first even board and second even board, especially can support about the side partial torsion when two boards fold, with the structural stability who guarantees whole device under the emergency, guarantee personnel's safety.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic front view of the structure of the embodiment of the present invention;

FIG. 2 is a schematic front view of the connection base according to the embodiment of the present invention;

FIG. 3 isbase:Sub>A cross-sectional view taken at A-A of FIG. 2;

FIG. 4 is a cross-sectional view taken at B-B of FIG. 2;

fig. 5 is a schematic structural view of the connection base according to the embodiment of the present invention in an unfolded state without a plug.

Description of reference numerals:

1-safety belt hanging ring, 2-supporting rod, 3-connecting base, 4-top plate, 5-rod seat, 6-strip-shaped hole, 7-rotating pin, 8-dentate structure, 9-accommodating groove, 10-cabinet top hanging ring, 11-plug fixing nut, 12-first connecting plate, 13-locking device, 14-plug stud, 15-plug, 16-second connecting plate, 17-rotating shaft seat, 18-stud base, 19-locking stud, 20-clamping block and 21-locking nut.

Detailed Description

The technical solutions of the present invention will be described more clearly and completely with reference to the accompanying drawings, and it should be understood 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.

In the description of the present invention, it should be noted that the coordinate system adopted in the description of the orientation is determined by the posture of the switch cabinet top operation safety belt hanger in the lifting use state, and the naming of the observation angle of the corresponding view is also taken as a reference, so that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and other indicated orientation or position relationships in the description are based on the orientation or position relationships shown in the drawings, and are only for convenience of description of the present invention and simplified description, but not for indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

The present embodiment provides a safety belt hanger for operation on top of switch cabinet screen, as shown in fig. 1 to 5, which includes: the safety belt hanging ring 1, the support rod 2 and the connection base 3 are connected in sequence. The connecting base 3 is used for being connected with a cabinet top hanging ring 10 arranged at the top of the electric cabinet body. The connection base 3 comprises a first tie sheet 12, a second tie sheet 16 and a plug 15. The embodiment specifically adopts the scheme that the second connecting plate 16 and the support rod 2 form a fixed connection, but the first connecting plate 12 and the support rod 2 can also form a fixed connection. Both the first tie sheet 12 and the second tie sheet 16 are detachably connected so as to have a fixed state and an unfolded state. When the first connecting plate 12 and the second connecting plate 16 are in a fixed state, the plug 15 is fixedly connected between the first connecting plate 12 and the second connecting plate 16, and a gap is formed between the first connecting plate 12 and the second connecting plate 16. The plug 15 is adapted to be inserted into the annular ring of the cabinet top eyelet 10 and brought into a mating relationship, such as a small clearance fit or a transition fit. The gap formed by the first and

second tie sheets

12 and 16 is adapted to receive the ring of the cabinet top ring 10. The side of either or both of the first and

second tie plates

12, 16 remote from the harness strap loop 1 is adapted to abut the top of the electrical cabinet.

The expected position of the top ring 10 is indicated in fig. 2 to 4 by a two-dot chain line. When the device is used, the supporting rod 2 is in an upright posture, so that the safety belt hanging ring 1 is arranged above the connecting base 3. The length of the support rod 2 can be determined according to the general height of an operator, so that the height of the safety belt hanging ring 1 is in a proper size. Afterwards insert in the trepanning of cabinet top rings 10 with plug 15, again with first link plate 12, second link plate 16 and plug 15 three are fixed, make connection base 3 and cabinet top rings 10 form a bolt type connection structure, and first link plate 12 and second link plate 16 side can with the butt of electric cabinet body top, play spacing effect to aforementioned bolt type connection structure's free rotation, thereby also form a supporting role, finally make connection base 3 constitute stable bearing structure for electric cabinet body top, thereby support is provided to bracing piece 2 and the safety belt link 1 of top, and then satisfy the support needs of safety belt when the accident falls. The device utilizes the cabinet top rings 10 that the electrical cabinet top generally all can be equipped with in advance, firmly links to each other with it through connecting base 3 to choose to rise through bracing piece 2 and set up safety belt link 1, thereby provide a support point position that satisfies the height and hang low usefulness principle for the safety belt, make the safety of operating personnel when cabinet body tops such as cubical switchboard overhaul the operation can ensure.

Alternatively, as shown in fig. 2 to 5, when the first link plate 12 and the second link plate 16 are in the unfolded state, one end of the plug 15 is fixedly connected to the first link plate 12 or the second link plate 16. Set up like this and can conveniently insert and connect the operation to cabinet top rings 10, only need operate the even board of being connected with plug 15, alright conveniently peg graft plug 15, afterwards again with two end plates fix can, compare through making three independent part carry out fixed connection's each other scheme, this scheme can the simplified operation, improves the operating efficiency.

Alternatively, as shown in fig. 5, when the first link plate 12 and the second link plate 16 are in the unfolded state, one of the first link plate 12 and the second link plate 16 fixedly connected with the plug 15 is referred to as a plug link plate, i.e., the first link plate 12 in the present embodiment. Be provided with bar hole 6 on the plug even board, bar hole 6 is in the trend on the plug even board is for keeping away from one side extension of electric cabinet body top, leads to saying that the direction extends in the top under the user state to possess the ability of adjusting from top to bottom. As shown in fig. 3 and 4, one end of the plug 15 is provided with a plug stud 14, and the plug stud 14 is located in the strip-shaped hole 6 and fastened by the plug fixing nut 11.

Because the base of the cabinet top hanging ring 10 has high and low, the distance between the ring hole and the cabinet top is not uniform, thereby the strip-shaped hole 6 is arranged to enable the plug 15 to be adjusted in the upper and lower directions in the use state, and further the cabinet top hanging ring 10 with different heights is adapted, and the adaptability of the device is improved. In addition, the connection mode that the elastic plug studs 14 are used for adjustment also actually forms detachable connection, so that plugs 15 with different diameters and even different shapes can be replaced to adapt to different cabinet top lifting rings 10, and the adaptability is improved.

Optionally, as shown in fig. 2 and 3, in the present embodiment, a receiving groove 9 is formed on one side of the first connecting plate 12 and the second connecting plate 16, which abut against the top of the electrical cabinet, and the receiving groove 9 is adapted to receive a base of the cabinet top hanging ring 10. Of course, if the shape of the base of the cabinet top hanging ring 10 allows, the accommodating groove 9 can be formed on only one connecting plate. Because the base of cabinet top rings 10 generally can protrusion in the ring body on the side direction orientation, figure 3 orientation promptly, set up holding tank 9 on company's board and can abdicate a position, avoid producing and interfere the base to make two company's boards more be close to the ring body of cabinet top rings 10, avoid producing excessive swing because of ring body and 15 cooperations of plug produce loose back messenger bracing piece 2, can make two company's boards form the centre gripping to the ring body even, thereby provide more firm connection.

Alternatively, as shown in fig. 2 and 3, when the first connecting plate 12 and the second connecting plate 16 are in the fixed state, the bottom surfaces of the first connecting plate 12 and the second connecting plate 16 are flush, and both are adapted to abut against the top of the electric cabinet. The connecting plates on the two sides of the hoisting ring 10 on the top of the cabinet are abutted against the top of the electric cabinet body, so that a larger supporting surface can be formed. The device is used as a relatively slender object, and the larger the bottom surface of the device is, the more stable support can be provided, so that the device can provide enough stability when the device plays a role of fixing a safety belt, and the safety of personnel is ensured.

Optionally, as shown in fig. 2 to 5, the connection base 3 further includes a top plate 4, and a top surface of the top plate 4 is fixedly connected to the support rod 2 by providing a rod seat 5. The bottom surface of the top plate 4 is fixedly connected with one of the first connecting plate 12 and the second connecting plate 16, specifically, in this embodiment, the second connecting plate 16 is integrally connected with the bottom surface of the top plate 4. When the first link plate 12 and the second link plate 16 are in the fixed state, the top surface of the other of the first link plate 12 and the second link plate 16 abuts against the bottom surface of the top plate 4, specifically, the first link plate 12 abuts against the bottom surface of the top plate 4 in the present embodiment. Even if a certain connecting plate is separated from the top plate 4, the structure is supported between the top plate 4 and the top surface of the cabinet body, so that the top plate 4 divides the stress from the supporting rod 2 into two strands, each strand acts on the top of the electric cabinet body through the connecting plate, and the transmitted force is prevented from being excessively transmitted between the two plates by virtue of the connecting piece between the first connecting plate 12 and the second connecting plate 16.

Alternatively, as shown in fig. 2 to 5, one end of the first link plate 12 and one end of the second link plate 16 are rotatably connected, and a locking device 13 is disposed between the other ends of the first link plate 12 and the second link plate 16. Through the structure, the device still keeps the integrity in the unfolding state, and the condition that related parts are lost due to dispersion after being disassembled and the normal development of maintenance operation is finally influenced is avoided.

Alternatively, as shown in fig. 4 and 5, the locking device 13 includes a rotating shaft seat 17, a stud base 18, a locking stud 19, a clamping block 20 and a locking nut 21. The rotating shaft seat 17 is disposed at one end of the first link plate 12 and the second link plate 16, and particularly disposed at the end of the second link plate 16 in the present embodiment. The latch 20 is disposed at the other end of the first link plate 12 and the second link plate 16, specifically, at the end of the first link plate 12 in the present embodiment. The stud base 18 is rotatably connected with the rotating shaft base 17 and is also fixedly connected with one end of a locking stud 19. A lock nut 21 is provided at the other end of the lock stud 19. When the first connecting plate 12 and the second connecting plate 16 are in a fixed state, the locking stud 19 penetrates the fixture 20, and the locking nut 21 is fastened on one side of the fixture 20 away from the rotating shaft seat 17.

This arrangement maintains the integrity of the device as much as possible while providing a relatively simple locking operation, avoiding work being affected by lost parts. Specifically, when the fixing is to be performed, the plug 15 is inserted into the ring hole of the cabinet top hanging ring 10, then the first connecting plate 12 and the second connecting plate 16 are folded, when the free ends of the two plates are to be folded, the locking stud 19 is adjusted in angle so as to penetrate into the fixture block 20, and then the locking nut 21 is fastened by using the locking stud 19. When the release is required, the operation is reversed.

Alternatively, as shown in fig. 5, the latch 20 is a fork-shaped structure, i.e., a bifurcated structure, the opening of which is oriented in the same direction as the rotation direction of the lock stud 19. This arrangement provides a simpler attachment and detachment operation and improves the integrity of the device. Particularly, when the free ends of the two plates are opened due to the fact that the two plates need to be disassembled, the locking nut 21 is loosened for a certain distance, and as long as the locking stud 19 has a certain length, the locking nut 21 can be arranged on the end portion of the locking stud 19, and then the locking stud 19 can be rotated together to swing from the inside of the opening of the fork-shaped structure to the outer side of the connecting plate, the locking nut 21 does not need to be completely disassembled in the process, the device has excellent integrity, and the situation that the split type structure has to be suspended after parts are lost due to frequent disassembly and assembly in maintenance operation is avoided.

Alternatively, as shown in fig. 2 and 5, one end of the first connecting plate 12 and one end of the second connecting plate 16 are respectively provided with the tooth-shaped structures 8 which are inserted into each other, and the tooth-shaped structures 8 inserted into the two sides are connected in a rotating way through the rotating pin 7. The crossed structure improves the overall strength of the hinge joint, so that the first connecting plate 12 and the second connecting plate 16 are stably connected, larger stress can be transmitted between the first connecting plate 12 and the second connecting plate 16, and left and right lateral offset torsion under the visual angle of a figure 2 can be resisted particularly when the two plates are folded, so that the structural stability of the whole device under emergency is ensured, and the personnel safety is ensured.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.

Claims

1. The utility model provides a cubical switchboard screen top operation safety belt hanger which characterized in that, it includes: the safety belt hanging ring (1), the supporting rod (2) and the connecting base (3) are connected in sequence; the connecting base (3) is used for being connected with a cabinet top hanging ring (10) arranged at the top of the electric cabinet body;

the connecting base (3) comprises a first connecting plate (12), a second connecting plate (16) and a plug (15); one of the first connecting plate (12) and the second connecting plate (16) is fixedly connected with the supporting rod (2); the first connecting plate (12) and the second connecting plate (16) are detachably connected, so that the fixed state and the unfolded state are realized; when the first connecting plate (12) and the second connecting plate (16) are in a fixed state, the plug (15) is fixedly connected between the first connecting plate (12) and the second connecting plate (16), and a gap is formed between the first connecting plate (12) and the second connecting plate (16);

the plug (15) is suitable for being inserted into the ring hole of the cabinet top hanging ring (10) and matched with the ring hole, and the gap is suitable for accommodating the ring body of the cabinet top hanging ring (10); the side, away from the safety belt hanging ring (1), of the first connecting plate (12) and/or the second connecting plate (16) is suitable for being abutted against the top of the electric cabinet body.

2. The switch cabinet overhead working safety belt hanger as claimed in claim 1, wherein one end of the plug (15) is fixedly connected to the first link plate (12) or the second link plate (16) when the first link plate (12) and the second link plate (16) are in the unfolded state.

3. The safety belt hanger for the top operation of the switch cabinet screen is characterized in that when the first connecting plate (12) and the second connecting plate (16) are in the unfolded state, one of the first connecting plate (12) and the second connecting plate (16) which is fixedly connected with the plug (15) is a plug connecting plate, a strip-shaped hole (6) is formed in the plug connecting plate, and the strip-shaped hole (6) extends towards one side far away from the top of the electric cabinet body on the plug connecting plate; one end of the plug (15) is provided with a plug stud (14), and the plug stud (14) is positioned in the strip-shaped hole (6) and fastened.

4. The safety belt hanger for the top operation of the switch cabinet screen is characterized in that a containing groove (9) is formed in one side, abutted against the top of the electric cabinet body, of the first connecting plate (12) and/or the second connecting plate (16), and the containing groove (9) is suitable for containing a base of a cabinet top hanging ring (10).

5. The switchgear top working safety belt hanger as claimed in claim 1, wherein the first connecting plate (12) and the second connecting plate (16) are flush with each other at the bottom surface and adapted to abut against the top of the electrical cabinet when the first connecting plate (12) and the second connecting plate (16) are in a fixed state.

6. The safety belt hanger for the top operation of the switch cabinet screen is characterized in that the connecting base (3) further comprises a top plate (4), and the top surface of the top plate (4) is fixedly connected with the supporting rod (2); the bottom surface of the top plate (4) is fixedly connected with one of the first connecting plate (12) and the second connecting plate (16); when the first connecting plate (12) and the second connecting plate (16) are in a fixed state, the top surface of the other of the first connecting plate (12) and the second connecting plate (16) is abutted against the bottom surface of the top plate (4).

7. The safety belt hanger for the top operation of the switch cabinet screen is characterized in that one end of the first connecting plate (12) and one end of the second connecting plate (16) are rotatably connected, and a locking device (13) is arranged between the other ends of the first connecting plate (12) and the second connecting plate (16).

8. The switch cabinet screen top operation safety belt hanger as claimed in claim 2, characterized in that the locking device (13) comprises a rotating shaft seat (17), a stud base (18), a locking stud (19), a clamping block (20) and a locking nut (21); the rotating shaft seat (17) is arranged at one end part of the first connecting plate (12) and the second connecting plate (16), and the fixture block (20) is arranged at the other end part of the first connecting plate (12) and the second connecting plate (16); the stud base (18) is rotationally connected with the rotating shaft base (17) and is fixedly connected with one end of the locking stud (19); the locking nut (21) is arranged at the other end of the locking stud (19); when the first connecting plate (12) and the second connecting plate (16) are in a fixed state, the locking stud (19) penetrates into the fixture block (20), and the locking nut (21) is fastened on one side, far away from the rotating shaft seat (17), of the fixture block (20).

9. The switchgear panel top operation safety belt hanger as claimed in claim 8, characterized in that the latch (20) is a fork-shaped structure, the opening of which is oriented in the same direction as the rotation direction of the locking stud (19).

10. The switchgear cabinet screen top operation safety belt hanger as claimed in claim 7, characterized in that the ends of the first connecting plate (12) and the second connecting plate (16) which are rotatably connected are toothed structures (8) which are inserted into each other.