CN217219928U - Novel high tension transmission line prevents falling device - Google Patents
Novel high tension transmission line prevents falling device Download PDFInfo
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- CN217219928U CN217219928U CN202221215429.9U CN202221215429U CN217219928U CN 217219928 U CN217219928 U CN 217219928U CN 202221215429 U CN202221215429 U CN 202221215429U CN 217219928 U CN217219928 U CN 217219928U
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Abstract
The application discloses novel high tension transmission line anti-falling device relates to the power technology field, including device main part, braking subassembly, locking subassembly and install and remove the subassembly. The brake component is designed to comprise a connecting rod, a driving brake arm and a driven brake arm, the driving brake arm and the driven brake arm are both designed in an eccentric cam structure, and the driving brake arm and the driven brake arm are connected into a whole through the connecting rod by utilizing the characteristics of a parallelogram mechanism, so that the double-layer anti-falling function is realized. The assembly and disassembly assembly is composed of an assembly and disassembly guide block and a first elastic piece, wherein one end of the assembly and disassembly guide block, which is connected with the device main body, is also designed by adopting an eccentric cam, and a third cam part is arranged and is connected and matched with the device main body through the first elastic piece. The design can ensure that the driving brake arm and the driven brake arm of the anti-falling device are not easy to slip out in the operation process; the anti-falling device can be prevented from generating axial slippage in the dismounting and mounting processes to influence the dismounting and mounting efficiency.
Description
Technical Field
The application relates to the technical field of electric power, especially, relate to a novel high tension transmission line anti-falling device.
Background
In the process of construction, maintenance and overhaul of a high-voltage transmission system, a large amount of overhead operation is involved, and accidents of overhead falling caused by careless operation and various sudden accidents occur when an operator climbs a tower and shifts midway. Therefore, how to fundamentally stop the accidents from happening and effectively prevent the high-altitude falling accidents has very important significance for preventing the safety accidents of the power transmission line.
SUMMERY OF THE UTILITY MODEL
In view of this, the purpose of this application is to provide a novel high tension transmission line anti-falling device, can control the emergence of the high altitude multiple incidence malignant accident that falls effectively, provides the omnidirectional safety guarantee for transmission of electricity maintainer.
In order to achieve the technical purpose, the application provides a novel anti-falling device of a high-voltage transmission line, which comprises a device main body, a braking assembly, a locking assembly and an assembling and disassembling assembly;
the device main body is provided with a track groove;
the upper end, the lower end and the side end of the track groove penetrate out of the device main body, a first clamping groove and a first connecting groove communicated with the first clamping groove and the outer portion of the device main body are arranged on two side walls of the track groove in a penetrating mode, and a second clamping groove and a second connecting groove communicated with the second clamping groove and the outer portion of the device main body are arranged on two side walls of the track groove in a penetrating mode;
the brake assembly comprises a connecting rod, a first cam arm and a second cam arm;
one end of the first cam arm is provided with a first cam part, and the other end of the first cam arm is hinged with the connecting rod;
a first fixed shaft penetrates through the first cam part;
the first fixing shaft is rotatably clamped into the first clamping groove through the first connecting groove, so that the distance between the first cam part extending into the track groove and the track groove is variable;
one end of the second cam arm is provided with a second cam part, and the other end of the second cam arm is hinged with the connecting rod;
a second fixed shaft penetrates through the second cam part;
the second fixed shaft is rotatably clamped into the second clamping groove through the second communication groove, so that the distance between the second cam part extending into the track groove and the track groove is variable;
the locking assembly is arranged on the device main body and is provided with a first stopping part and a second stopping part;
the first stopping part is used for limiting the first fixing shaft to the first clamping groove;
the second stopping part is used for limiting the second fixed shaft to the second clamping groove;
the assembly and disassembly assembly comprises an assembly and disassembly guide block and a first elastic piece;
one end of the assembling and disassembling guide block is hinged with the second fixed shaft, and the other end of the assembling and disassembling guide block is provided with a third cam part;
the third cam part is hinged with the device body and is in sliding fit with the device body, so that the first fixing shaft and the second fixing shaft can be respectively pulled out of the first communicating groove and the second communicating groove;
the first elastic member is connected between the third cam portion and the apparatus main body, and is configured to provide an elastic force for swinging the third cam portion in a direction to decrease the distance from the track groove.
Further, a guide post is arranged on the third cam part in a penetrating way;
the device main body is provided with a guide groove for the guide post to pass through and to be in sliding fit with the guide post.
Further, the first elastic piece is a torsion spring;
the first elastic piece is sleeved on the guide post, a first force arm of the first elastic piece is in slidable contact and propping with the device main body, and a second force arm is in slidable contact and propping with the assembly and disassembly guide block.
Further, the brake assembly further comprises a second elastic member;
the connecting rod is movably connected with the device main body;
the second elastic member is connected to the first cam arm and the link, and is configured to provide an elastic force for swinging the first cam arm in a direction to increase a distance between the first cam arm and the track groove.
Further, the second elastic member is a torsion spring.
Furthermore, the locking assembly comprises a locking swing arm, at least two limiting columns and a third elastic piece;
the locking swing arm is hinged with the device main body and is provided with the first stopping part;
the at least two limiting columns are arranged on the device main body, are positioned on two sides of the locking swing arm and are used for limiting the swing angle of the locking swing arm;
the third elastic piece is connected with the locking swing arm and the device main body and used for providing elastic force for limiting the locking swing arm to swing in the direction of the first fixed shaft.
Further, the third elastic member is a torsion spring.
Further, the outer peripheral wall section of the first cam part far away from the first fixed shaft is provided with a plurality of first convex teeth.
Further, a plurality of second convex teeth are arranged on the outer peripheral wall section of the second cam part far away from the second fixed shaft.
Furthermore, a hanging hole is formed in the other end of the first cam arm.
According to the technical scheme, the novel high-voltage transmission line anti-falling device comprises a device main body, a braking assembly, a locking assembly and an assembling and disassembling assembly. The device main body is provided with a track groove, and the track groove is provided with a first clamping groove, a first connecting groove for communicating the outside with the first clamping groove, a second clamping groove and a second connecting groove for communicating the outside with the second clamping groove. The brake component is designed to comprise a connecting rod, a driving brake arm and a driven brake arm, the driving brake arm and the driven brake arm are designed to be eccentric cam structures, and the driving brake arm and the driven brake arm are connected into a whole through the connecting rod by utilizing the characteristics of a parallelogram mechanism. Safety link can be connected to initiative brake arm one end, safety link and operation personnel pass through the safety rope and are connected, when the operation personnel fall because of the accident, the initiative brake arm of connecting the safety link receives human gravity's traction can clockwise swing certain angle in the twinkling of an eye so that the interval between first cam portion and the track groove diminishes, can drive driven brake arm synchronous revolution simultaneously, make the eccentric cam surface of the first cam portion of initiative brake arm and the second cam portion of driven brake arm contact with flexible wire rope guide rail in the twinkling of an eye, the braking purpose has been reached until unable rotation again, two brake arms have also played the double-deck effect of preventing weighing down simultaneously.
The assembly and disassembly assembly is composed of an assembly and disassembly guide block and a first elastic piece, wherein one end of the assembly and disassembly guide block, which is connected with the device main body, is also designed by adopting an eccentric cam, and a third cam part is arranged and is connected and matched with the device main body through the first elastic piece. When the driving brake arm and the driven brake arm are separated from the track groove, the assembly and disassembly guide block automatically swings counterclockwise by a certain angle under the action of the first elastic piece so that the distance between the third cam part and the track groove is reduced, and the swinging is stopped until the cam profile of the third cam part is contacted with the flexible steel wire rope guide rail. This design of the assembly and disassembly assembly has the following advantages: 1. the first elastic piece provides elastic action to always keep a tension force on the assembly and disassembly guide block so as to ensure that the driving brake arm and the driven brake arm of the anti-falling device are not easy to slip out in the operation process; 2. the anti-falling device can be prevented from generating axial slippage in the dismounting and mounting process to influence the dismounting and mounting efficiency, and meanwhile, the relative position of the anti-falling device can be conveniently controlled and adjusted.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a perspective view of a novel fall protection device for a high-voltage power transmission line provided in the present application;
fig. 2 is a schematic structural view of a novel high-voltage transmission line anti-falling device provided in the present application when a locking assembly is in an unlocked state;
fig. 3 is a perspective view of a state in which a novel high voltage transmission line anti-falling device provided in the present application is mounted on a flexible steel wire rope guide rail;
fig. 4 is a schematic structural view of the novel anti-falling device for the high-voltage transmission line provided in the present application when the active brake arm is not under external traction force;
fig. 5 is a schematic structural view of the novel anti-falling device for the high-voltage transmission line provided in the present application when the active braking arm is in an upward external force pulling state;
fig. 6 is a schematic structural view of the novel anti-falling device for the high-voltage transmission line provided in the present application when the active braking arm is pulled downward by an external force;
fig. 7 is a schematic structural view of the novel anti-falling device for the high-voltage transmission line provided by the application when the assembly and disassembly guide block is under the action of the first elastic element;
in the figure: 100. a flexible wire rope guide rail; 200. a safety hanging ring; 1. a device main body; 10. a guide groove; 11. a track groove; 121. a first card slot; 122. a first connecting groove; 131. a second card slot; 132. a second communicating groove; 21. an active brake arm; 211. a first cam portion; 2111. a first lobe; 212. a first fixed shaft; 22. a connecting rod; 23. a driven brake arm; 231. a second cam portion; 2311. a second convex tooth: 232. a second fixed shaft; 24. a second elastic member; 31. locking the swing arm; 311. a first blocking portion; 312. a second stopper portion; 32. a limiting column; 33. a third elastic member; 4. assembling and disassembling the guide block; 40. a third cam portion; 41. a guide post; 5. a first elastic member.
Detailed Description
The technical solutions of the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the embodiments in the present application.
In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
The embodiment of the application discloses novel high tension transmission line anti-falling device.
Referring to fig. 1 to 3 and fig. 7, an embodiment of a novel anti-falling device for a high-voltage transmission line provided in the embodiment of the present application includes:
device main part 1, brake subassembly, locking subassembly and assembly and disassembly subassembly.
The device body 1 is provided with a track groove 11, and the upper end, the lower end and the side end of the track groove 11 penetrate out of the device body 1, that is, the upper end, the lower end and the side end of the track groove 11 respectively penetrate out of the device body 1 to form an opening structure communicated with the outside, so that the device body 1 is conveniently installed on a component matched with the flexible steel wire rope guide rail 100 and the like during climbing. The device body 1 may be substantially U-shaped as shown in fig. 1 to 3, and the internal U-shaped groove may form the track groove 11, which is not limited in particular. As shown in fig. 3, a first engaging groove 121 and a first communicating groove 122 communicating the first engaging groove 121 and the exterior of the device body 1 are disposed on two side walls of the track groove 11; the first connecting groove 122 may be disposed obliquely downward, and the first engaging groove 121 is disposed obliquely upward at an angle with the first connecting groove 122, which is not limited in particular. In addition, a second engaging groove 131 and a second communicating groove 132 communicating the second engaging groove 131 with the outside of the device body 1 are further provided on both side walls of the track groove 11, and the second engaging groove 131 and the first engaging groove 121 are sequentially distributed in the vertical direction.
The brake assembly includes a link 22, a driving brake arm 21 and a driven brake arm 23 in terms of structural design.
As shown in fig. 3, one end of the active braking arm 21 has a first cam portion 211, and the other end is hinged to the connecting rod 22, and specifically, the active braking arm 21 may be hinged to the connecting rod 22 through an isometric connection of a pin, which is not limited in particular. The first cam portion 211 is provided with a first fixing shaft 212, and the first fixing shaft 212 is rotatably inserted into the first engaging groove 121 through the first communicating groove 122, so that the distance between the first cam portion 211 extending into the track groove 11 and the track groove 11 is variable. Similarly, one end of the driven brake arm 23 is provided with a second cam part 231, and the other end is hinged with the connecting rod 22; a second fixed shaft 232 penetrates through the second cam part 231; the second fixing shaft 232 is rotatably caught in the second catching groove 131 via the second communicating groove 132 so that a distance between the second cam portion 231 protruding into the track groove 11 and the track groove 11 is variable. The driving brake arm 21 and the driven brake arm 23 are both designed by an eccentric cam structure, and the driving brake arm 21 and the driven brake arm 23 are connected into a whole through a connecting rod 22 by utilizing the characteristics of a parallelogram mechanism. The safety hanging ring 200 can be connected to initiative brake arm 21 one end, safety hanging ring 200 passes through the safety rope with the operation personnel and is connected, when the operation personnel falls because of the accident, the initiative brake arm 21 of connecting safety hanging ring 200 can clockwise pivot certain angle in the twinkling of an eye by the traction of human body gravity so that the interval between first cam portion 211 and track groove 11 diminishes, can drive driven brake arm 23 synchronous revolution simultaneously, make the eccentric cam surface of the first cam portion 211 of initiative brake arm 21 and the second cam portion 231 of driven brake arm 23 contact with flexible wire rope guide rail 100 in the twinkling of an eye, until unable rotation again has reached the braking purpose, double brake arm has also played the effect that double-deck was prevented weighing down simultaneously, can control the emergence of the high altitude falling multifarious nature incident effectively, provide omnidirectional safety guarantee for transmission of overhaul personnel.
The locking assembly is mounted on the device body 1, and is provided with a first stopping portion 311 for limiting the first fixing shaft 212 to the first engaging groove 121, so as to ensure that the driving brake arm 21 will not be disengaged when the device is used. Similarly, the locking assembly further has a second stopping portion 312 for limiting the second fixing shaft 232 to the second slot 131.
The assembly and disassembly assembly comprises an assembly and disassembly guide block 4 and a first elastic piece 5. One end of the assembling and disassembling guide block 4 is hinged with the second fixed shaft 232, and the other end is provided with a third cam part 40; the third cam portion 40 is hinged to the apparatus body 1 and slidably engaged with the apparatus body 1, so that the first fixed shaft 212 and the second fixed shaft 232 can be disengaged from the first communicating groove 122 and the second communicating groove 132, respectively; the first elastic member 5 is connected between the third cam portion 40 and the apparatus body 1, and is configured to provide an elastic force for swinging the third cam portion 40 in a direction to reduce the interval with the track groove 11. When the driving brake arm 21 and the driven brake arm 23 are disengaged from the track groove 11, the mounting/dismounting guide block 4 automatically swings counterclockwise by a certain angle under the action of the first elastic member 5, so that the distance between the third cam portion 40 and the track groove 11 becomes smaller, and the swinging is stopped until the cam profile of the third cam portion 40 contacts the flexible cable guide 100. This design of the assembly and disassembly has the following advantages: 1. the first elastic piece 5 provides elastic action to always keep the assembling and disassembling guide block 4 at a tensile force so as to ensure that the driving brake arm 21 and the driven brake arm 23 of the anti-falling device are not easy to slip out in the operation process; 2. the anti-falling device can be prevented from generating axial slippage in the dismounting and mounting process to influence the dismounting and mounting efficiency, and meanwhile, the relative position of the anti-falling device can be conveniently controlled and adjusted.
The above is a first embodiment of a novel high-voltage transmission line anti-falling device provided in the embodiment of the present application, and the following is a second embodiment of a novel high-voltage transmission line anti-falling device provided in the embodiment of the present application, please refer to fig. 1 to 7 specifically.
The scheme based on the first embodiment is as follows:
further, a guide post 41 is inserted into the third cam portion 40 of the detachable guide block 4, and the guide post 41 is rotatably and slidably attached to the guide groove 10 of the apparatus body 1. The guide groove 10 may be disposed vertically or obliquely, and is not limited in particular. The length of the guide groove 10 can be set according to actual requirements, so that the driving brake arm 21 and the driven brake arm 23 can be taken out of the track groove 11, and the driven brake arm 23 can be limited to a certain extent.
Further, the first elastic member 5 is a torsion spring. Specifically, the first elastic member 5 is sleeved on the guide post 41, and a first force arm of the first elastic member is slidably contacted and abutted with a protruding post on the device main body 1, and a second force arm is slidably contacted and abutted with a protruding post on the assembly and disassembly guide block 4. Of course, other matching methods are also possible, so that the guide block 4 can be stably provided with a twisting force while the guide block 4 can be slidably and rotatably matched with the device body 1, and the specific method is not limited.
Further, the brake assembly may further include a second elastic member 24.
The link 22 is movably connected to the device body 1, and the second elastic member 24 is connected to the active braking arm 21 and the link 22, and is used for providing an elastic force for swinging the active braking arm 21 in a direction of increasing the distance from the track groove 11. As shown in fig. 4, when the active brake arm 21 is not subjected to a traction external force, that is, is only subjected to an elastic force of the second elastic member 24, under the elastic force of the second elastic member 24, the active brake arm 21 and the connecting rod 22 move in a direction of increasing an included angle, that is, in a counterclockwise direction, so that the active brake arm 21 can swing upward, and further, a distance between the first cam portion 211 and an inner wall of the track groove 11 is increased, thereby better ensuring that the device main body 1 can smoothly move on the flexible wire rope guide 100.
Further, the second elastic member 24 is also a torsion spring, the first arm of the second elastic member 24 is in contact with and abutted against the active braking arm 21, and the second arm of the second elastic member is in contact with and abutted against the connecting rod 22, so as to provide the torque force for the active braking arm 21.
Further, the structural design of the locking assembly includes a locking swing arm 31, at least two limiting posts 32 and a third elastic member 33.
The locking swing arm 31 is hinged to the device body 1, and is provided with a first stop portion 311, where the first stop portion 311 may be a flange portion extending outward from the locking swing arm 31, and can lock the first fixed shaft 212 on the active brake arm 21. Similarly, the locking swing arm 31 is further provided with a second stopping portion 312 for stopping the second fixed shaft 232 of the driven brake arm 23, which is not limited specifically.
At least two spacing posts 32 are installed on the device main body 1 and are located on two sides of the locking swing arm 31 for limiting the left-right swing angle of the locking swing arm 31, and the spacing posts 32 can be structural members such as pins and the like and are not limited specifically.
The third elastic member 33 is connected to the locking swing arm 31 and the apparatus body 1, and provides an elastic force for restricting the swing of the locking swing arm 31 in the direction of the first fixed shaft 212. The third elastic element 33 is arranged to ensure that the locking swing arm 31 can be stably in a state of locking the driving brake arm 21 and the driven brake arm 23 when not being subjected to an external force other than an elastic force, so that the driving brake arm 21 and the driven brake arm 23 cannot be disengaged from the first engaging groove 121 and the second engaging groove 131.
Further, the second elastic member 33 may also be designed as a torsion spring, and the specific matching manner may refer to the second elastic member 24, which is not described in detail.
Further, in order to further increase the contact friction of the first cam portion 211 and the second cam portion 231 with the flexible wire rope guide 100, the fall prevention effect is further improved. The first cam portion 211 and the outer peripheral wall section of the first cam portion 211 away from the first fixed shaft 212 are provided with a first anti-slip structure, such as a plurality of first convex teeth 2111. Similarly, the peripheral wall section of the second cam portion 231 remote from the second fixed shaft 232 is provided with a second anti-slip structure, such as a plurality of second convex teeth 2311.
Further, in order to facilitate installation of the safety hanging ring 200, a hanging hole is formed at the other end of the active braking arm 21.
The anti-falling device of this design of this application:
in the process of disassembly and assembly, the locking swing arm 31 is swung counterclockwise to be completely separated from the first fixed shaft 212 and the second fixed shaft 232 on the driving brake arm 21 and the driven brake arm 23, at this time, the driven brake arm 23 connected with the driving brake arm 21 is pushed downward, and the connecting rod 22 connected with the driving brake arm 21 and the assembly and disassembly guide block 4 can be pulled downward along the guide groove 10.
During installation, the device body 1 is inserted into the flexible steel wire rope guide rail 100, the locking swing arm 31 is swung counterclockwise by hand to be kept in a swing-open state, the first fixed shaft 212 on the driving rotating arm 21 and the second fixed shaft 232 on the driven brake arm 23 are pushed into the first clamping groove 121 and the second clamping groove 131, at this time, the guide post 41 on the assembly and disassembly guide block 4 moves to the top end of the groove along the guide groove 10, then the locking swing arm 31 can be released, the locking swing arm 31 is reset under the action of the third elastic piece 33, the first fixed shaft 212 of the driving brake arm 21 and the second fixed shaft 232 of the driven brake arm 23 are locked, and installation is completed.
In operation, as shown in fig. 4 and 5, the distance between the driving brake arm 21 and the driven brake arm 23 and the track groove 11 is always larger than the diameter of the flexible wire rope guide 100, that is, sufficient gaps are always kept between the driving brake arm 21 and the flexible wire rope guide 100 and between the driven brake arm 23 and the flexible wire rope guide 100, so that the driving brake arm and the driven brake arm do not contact with the flexible wire rope guide 100 in the moving process, and the anti-falling device can smoothly move along the flexible wire rope guide 100.
As shown in fig. 6, when the worker accidentally falls during climbing a high place, in the moment of falling, the driving brake arm 21 and the driven brake arm 23 synchronously swing clockwise/towards a certain angle in the moment under the action of the traction force of the gravity of the human body, until the driving brake arm 21 and the driven brake arm 23 press the outer peripheral surface of the flexible steel wire rope guide rail 100, so as to achieve the purpose of braking. At the moment, the anti-falling device is firmly stopped on the guide rail, and the operator connected with the anti-falling device is also instantly stopped so as to achieve the aim of preventing falling.
The main structure of this anti-falling device of this application, including but not limited to device main part 1, initiative brake arm 21, connecting rod 22 and driven brake arm 23, can adopt high strength aviation to use aluminum alloy preparation for overall structure is light and handy compact, light in weight, easy dismounting.
The above detailed description is provided for the novel anti-falling device of the high voltage transmission line, and for a person skilled in the art, according to the idea of the embodiment of the present application, there may be changes in the specific implementation manner and the application scope, and in summary, the content of the present specification should not be understood as a limitation to the present application.
Claims (10)
1. A novel anti-falling device for a high-voltage transmission line is characterized by comprising a device main body, a braking assembly, a locking assembly and an assembling and disassembling assembly;
the device main body is provided with a track groove;
the upper end, the lower end and the side end of the track groove penetrate out of the device main body, a first clamping groove and a first connecting groove communicated with the first clamping groove and the outside of the device main body penetrate through two side walls of the track groove, and a second clamping groove and a second connecting groove communicated with the second clamping groove and the outside of the device main body penetrate through two side walls of the track groove;
the brake assembly comprises a connecting rod, a first cam arm and a second cam arm;
one end of the first cam arm is provided with a first cam part, and the other end of the first cam arm is hinged with the connecting rod;
a first fixed shaft penetrates through the first cam part;
the first fixing shaft is rotatably clamped into the first clamping groove through the first connecting groove, so that the distance between the first cam part extending into the track groove and the track groove is variable;
one end of the second cam arm is provided with a second cam part, and the other end of the second cam arm is hinged with the connecting rod;
a second fixed shaft penetrates through the second cam part;
the second fixed shaft is rotatably clamped into the second clamping groove through the second communication groove, so that the distance between the second cam part extending into the track groove and the track groove is variable;
the locking assembly is arranged on the device main body and is provided with a first stopping part and a second stopping part;
the first stopping part is used for limiting the first fixing shaft to the first clamping groove;
the second stopping part is used for limiting the second fixed shaft to the second clamping groove;
the assembly and disassembly assembly comprises an assembly and disassembly guide block and a first elastic piece;
one end of the assembling and disassembling guide block is hinged with the second fixed shaft, and the other end of the assembling and disassembling guide block is provided with a third cam part;
the third cam part is hinged with the device body and is in sliding fit with the device body, so that the first fixing shaft and the second fixing shaft can be respectively pulled out of the first communicating groove and the second communicating groove;
the first elastic member is connected between the third cam portion and the device body, and is configured to provide an elastic force for swinging the third cam portion in a direction to decrease the distance from the track groove.
2. The novel anti-falling device for the high-voltage power transmission line according to claim 1, wherein a guide post is arranged on the third cam part in a penetrating manner;
the device main body is provided with a guide groove for the guide post to pass through and to be in sliding fit with the guide post.
3. The novel fall preventing device for the high-voltage power transmission line according to claim 2, wherein the first elastic member is a torsion spring;
the first elastic piece is sleeved on the guide post, a first force arm of the first elastic piece is in slidable contact with and abuts against the device main body, and a second force arm is in slidable contact with and abuts against the assembly and disassembly guide block.
4. The novel fall arrest device for high tension transmission lines according to claim 1, characterized in that the braking assembly further comprises a second resilient member;
the connecting rod is movably connected with the device main body;
the second elastic member is connected to the first cam arm and the link, and is configured to provide an elastic force for swinging the first cam arm in a direction to increase a distance between the first cam arm and the track groove.
5. The novel fall protection device for the high-voltage power transmission line according to claim 4, wherein the second elastic member is a torsion spring.
6. The novel high-voltage transmission line anti-falling device is characterized in that the locking assembly comprises a locking swing arm, at least two limiting columns and a third elastic piece;
the locking swing arm is hinged with the device main body and is provided with the first stopping part;
the at least two limiting columns are arranged on the device main body and positioned on two sides of the locking swing arm and used for limiting the swing angle of the locking swing arm;
the third elastic piece is connected with the locking swing arm and the device main body and used for providing elastic force for limiting the locking swing arm to swing in the direction of the first fixed shaft.
7. The novel fall protection device for the high-voltage power transmission line of claim 6, wherein the third elastic member is a torsion spring.
8. The novel fall protection device for the high-voltage transmission line, according to claim 1, is characterized in that a plurality of first convex teeth are arranged on the peripheral wall section, far away from the first fixed shaft, of the first cam part.
9. The novel fall protection device for the high-voltage transmission line, according to claim 1, is characterized in that a plurality of second convex teeth are arranged on the peripheral wall section, far away from the second fixed shaft, of the second cam part.
10. The novel fall preventing device for the high-voltage power transmission line according to claim 1, wherein a hanging hole is formed in the other end of the first cam arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221215429.9U CN217219928U (en) | 2022-05-20 | 2022-05-20 | Novel high tension transmission line prevents falling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221215429.9U CN217219928U (en) | 2022-05-20 | 2022-05-20 | Novel high tension transmission line prevents falling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217219928U true CN217219928U (en) | 2022-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221215429.9U Active CN217219928U (en) | 2022-05-20 | 2022-05-20 | Novel high tension transmission line prevents falling device |
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| Country | Link |
|---|---|
| CN (1) | CN217219928U (en) |
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2022
- 2022-05-20 CN CN202221215429.9U patent/CN217219928U/en active Active
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