CN219595680U - Anti-falling device for pole tower - Google Patents
Anti-falling device for pole tower Download PDFInfo
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- CN219595680U CN219595680U CN202321195807.6U CN202321195807U CN219595680U CN 219595680 U CN219595680 U CN 219595680U CN 202321195807 U CN202321195807 U CN 202321195807U CN 219595680 U CN219595680 U CN 219595680U
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- stop lever
- tower
- support rod
- locking pin
- gate
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- 230000000903 blocking effect Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 abstract description 33
- 238000012423 maintenance Methods 0.000 abstract description 13
- 230000009194 climbing Effects 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model provides a tower anti-falling device, which belongs to the technical field of electric power construction protection and comprises a support frame, a locking pin, a gate and a torsion spring. The tower anti-falling device is firstly placed right above a power transmission line, the power transmission line is abutted against the first stop lever and exerts upward acting force on the first stop lever when the tower anti-falling device moves downwards, so that the valve is driven to rotate around the supporting shaft, the first stop lever rotates to the outside of the accommodating cavity, the second stop lever rotates to the inside of the accommodating cavity and plugs the power transmission line in the accommodating cavity, meanwhile, the locking pin slides to the side close to the second stop lever and is inserted into the clamping groove, locking of the gate is achieved, and the safety belt is fixed on the power transmission line through the tower anti-falling device. According to the anti-falling device for the pole tower, the safety belt is not required to be bound on the pole tower, so that the position of the safety belt on the pole tower is not required to be frequently adjusted, and the time and the physical strength of maintenance personnel when climbing the pole tower are greatly saved.
Description
Technical Field
The utility model belongs to the technical field of electric power construction protection, and particularly relates to a pole tower falling prevention device.
Background
Towers are one of the basic devices in overhead distribution lines for supporting transmission lines in high altitudes. When installing the shaft tower and maintaining high altitude power equipment, all need the maintenance personnel to climb the shaft tower, at this moment, in order to guarantee maintenance personnel's safety, generally adopt measure or equipment that prevents falling, generally adopt foot nail and safety belt complex mode at present, the safety belt need tie up on the shaft tower, in climbing the in-process, need constantly adjust the position of safety belt, lead to maintenance personnel's climbing operation to waste time and energy.
Disclosure of Invention
The utility model aims to provide a tower anti-falling device, which aims to solve the problem that the existing anti-falling device is time-consuming and labor-consuming.
In order to achieve the above purpose, the utility model adopts the following technical scheme: provided is a tower fall arrest device, comprising:
the support frame comprises a first support rod and a second support rod, the first support rod is fixedly connected with the upper end of the second support rod, a containing cavity with a downward opening is formed between the first support rod and the second support rod, the safety belt is fixed on the first support rod, and a support shaft is fixedly arranged on the second support rod;
the locking pin is slidably arranged on the second supporting rod;
the gate is rotatably arranged on the supporting shaft and used for blocking the lower end opening of the accommodating cavity; the gate comprises a first stop lever and a second stop lever which are arranged in an angle, one end of the first stop lever is rotationally connected with the supporting shaft, and the first stop lever is fixedly connected with the second stop lever; a clamping groove which is in plug-in fit with the locking pin is formed in the first stop lever; a limiting block for limiting the rotation angle of the second stop lever is arranged on the second support rod; and
the torsion spring is arranged between the gate and the second supporting rod, and the torsion spring applies acting force to the gate to enable the second stop lever to abut against the limiting block.
In one possible implementation manner, the first supporting rod and the second supporting rod are arranged at an angle, and the opening of the accommodating cavity is gradually increased from top to bottom.
In one possible implementation, a sleeve for passing the safety belt is fixedly arranged at the lower end of the first supporting rod, and the sleeve is arranged along the horizontal direction.
In one possible implementation manner, a guide rod is mounted at the lower end of the second support rod, and the guide rod is obliquely arranged.
In one possible implementation manner, a guide post is fixedly mounted at the top of the second support rod, a guide through hole which is in sliding fit with the locking pin is formed in the guide post, and the guide through hole is arranged along the vertical direction.
In one possible implementation manner, a guiding chute is formed in the side wall of the locking pin, a limit screw is fixedly mounted on the guiding column, and one end of the limit screw extends into the guiding chute.
In one possible implementation manner, a connecting block is fixedly installed at the top of the locking pin, the outer contour of the connecting block is larger than that of the locking pin, and a hanging ring is installed at the top of the connecting block.
In one possible implementation manner, a guide plate is fixedly installed at the top of the guide column, the guide plate is located on one side of the connecting block, and the connecting block is in sliding fit with the side wall of the guide plate.
In one possible implementation manner, the middle part of the second supporting rod is provided with a groove for installing the supporting shaft, and the side wall of the first supporting rod opposite to the second supporting rod is provided with a yielding groove for avoiding the gate.
In one possible implementation, anti-slip pads are provided on opposite side walls of the first support bar and the second support bar.
Compared with the prior art, the scheme provided by the embodiment of the utility model has the advantages that the first support rod is fixedly connected with the upper end of the second support rod, and the accommodating cavity with the downward opening is formed between the first support rod and the second support rod. One end of the safety belt is fixed on the first supporting rod, and the other end of the safety belt is fixed on a maintenance person. And a supporting shaft is fixedly arranged on the second supporting rod. The support shaft is rotatably arranged on the gate, and a torsion spring is arranged between the second support rod and the gate. The second support rod is provided with a locking pin in a sliding manner. The gate includes first pin and the second pin that is the angle setting, first pin and second pin fixed connection to first pin and back shaft rotation are connected. The first stop lever is provided with a clamping groove which is in plug-in connection with the locking pin. The second supporting rod is provided with a limiting block for limiting the rotation angle of the second stop lever. When the tower anti-falling device is in an initial state, the torsion spring applies acting force to the gate to enable the second stop lever to abut against the limiting block, and meanwhile, the first stop lever is located at the opening of the accommodating cavity.
In the actual use process, the tower anti-falling device is firstly placed right above a power transmission line, the power transmission line is abutted against the first stop lever and exerts upward acting force on the first stop lever when the tower anti-falling device moves downwards, so that the valve is driven to rotate around the supporting shaft, the first stop lever rotates to the outside of the accommodating cavity, the second stop lever rotates to the inside of the accommodating cavity and plugs the power transmission line in the accommodating cavity, meanwhile, the locking pin slides to the side close to the second stop lever and is inserted into the clamping groove, locking of the gate is achieved, the aim of hanging the tower anti-falling device on the power transmission line is finally achieved, and the safety belt is fixed on the power transmission line through the tower anti-falling device, so that maintenance personnel are effectively prevented from falling from the tower.
When the tower anti-falling device is required to be detached from the power transmission line, the locking pin is only required to be pulled out from the clamping groove, the valve can reversely rotate under the action of the elastic force of the torsion spring, the second stop lever rotates to the outside of the accommodating cavity, and the opening at the lower end of the accommodating cavity is opened, so that the tower anti-falling device can be detached from the power transmission line.
The pole tower anti-falling device is characterized in that the safety belt is hung on the power transmission line, and the safety belt is not required to be bound on the pole tower, so that the position of the safety belt on the pole tower is not required to be frequently adjusted, and the time and the physical strength of maintenance personnel when climbing the pole tower are greatly saved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of 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 utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic cross-sectional view of a tower fall protection device according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a cross-sectional structure of a tower anti-falling device according to a first embodiment of the present utility model;
FIG. 3 is a partial cross-sectional view of a tower fall arrest device according to a first embodiment of the present utility model;
fig. 4 is a partial view of a tower fall protection device according to a second embodiment of the present utility model.
In the figure: 1. a support frame; 101. a first support bar; 102. a second support bar; 103. a receiving chamber; 104. a support shaft; 105. a sleeve; 106. a guide rod; 107. a guide post; 108. a guide through hole; 109. a guide chute; 110. a limit screw; 111. a connecting block; 112. a hanging ring; 113. a guide plate; 114. a groove is formed; 115. a relief groove; 116. an anti-slip pad; 2. a locking pin; 3. a gate; 301. a first stop lever; 302. a second stop lever; 303. a clamping groove; 304. a limiting block; 4. a torsion spring; 5. and (5) a power transmission line.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It should be noted that the terms "length," "width," "height," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "head," "tail," and the like indicate an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the utility model.
It should also be noted that unless explicitly stated or limited otherwise, terms such as "mounted," "connected," "secured," "disposed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" or "a number" means two or more, unless specifically defined otherwise.
Referring to fig. 1 to 2, a tower fall protection device according to the present utility model will now be described. The utility model provides a tower anti-falling device, includes: a supporting frame 1, a locking pin 2, a gate 3 and a torsion spring 4.
The support frame 1 comprises a first support rod 101 and a second support rod 102, wherein the first support rod 101 is fixedly connected with the upper end of the second support rod 102, a containing cavity 103 with a downward opening is formed between the first support rod 101 and the second support rod 102, a safety belt is fixed on the first support rod 101, and a support shaft 104 is fixedly arranged on the second support rod 102;
the locking pin 2 is slidably mounted on the second support rod 102;
the gate 3 is rotatably arranged on the support shaft 104 and is used for blocking the lower end opening of the accommodating cavity 103; the gate 3 comprises a first stop lever 301 and a second stop lever 302 which are arranged in an angle way, one end of the first stop lever 301 is rotationally connected with the support shaft 104, and the first stop lever 301 is fixedly connected with the second stop lever 302; the first stop lever 301 is provided with a clamping groove 303 which is in plug-in fit with the locking pin 2; a limiting block 304 for limiting the rotation angle of the second stop lever 302 is arranged on the second support rod 102;
the torsion spring 4 is installed between the gate 3 and the second supporting rod 102, and the torsion spring 4 applies a force to the gate 3 to enable the second stop rod 302 to abut against the limiting block 304.
Compared with the prior art, the tower anti-falling device provided by the embodiment has the advantages that the upper ends of the first supporting rod 101 and the second supporting rod 102 are fixedly connected, and the accommodating cavity 103 with the downward opening is formed between the first supporting rod 101 and the second supporting rod 102. One end of the safety belt is fixed to the first support rod 101, and the other end is fixed to the maintenance person. The second support bar 102 is fixedly provided with a support shaft 104. The support shaft 104 is rotatably installed on the shutter 3, and a torsion spring 4 is installed between the second support bar 102 and the shutter 3. The second support rod 102 is slidably mounted with the locking pin 2. The gate 3 includes a first bar 301 and a second bar 302 disposed at an angle, the first bar 301 is fixedly connected to the second bar 302, and the first bar 301 is rotatably connected to the support shaft 104. The first stop lever 301 is provided with a clamping groove 303 which is in plug-in fit with the locking pin 2. The second supporting rod 102 is provided with a limiting block 304 for limiting the rotation angle of the second stop lever 302. When the tower anti-falling device is in an initial state, the torsion spring 4 applies an acting force to the gate 3, so that the second stop lever 302 abuts against the limiting block 304, and meanwhile, the first stop lever 301 is positioned at the opening of the accommodating cavity 103.
In the actual use process, the tower anti-falling device is firstly placed right above the power transmission line 5, the power transmission line 5 is abutted against the first stop lever 301 and exerts upward acting force on the first stop lever 301 when the tower anti-falling device moves downwards, so that the valve is driven to rotate around the supporting shaft 104, the first stop lever 301 rotates to the outside of the accommodating cavity 103, meanwhile, the second stop lever 302 rotates to the inside of the accommodating cavity 103 and seals the power transmission line 5 in the accommodating cavity 103, meanwhile, the locking pin 2 slides to the side close to the second stop lever 302 and is inserted into the clamping groove 303, locking of the gate 3 is achieved, the aim of hanging the tower anti-falling device on the power transmission line 5 is finally achieved, and the safety belt is fixed on the power transmission line 5 through the tower anti-falling device, so that maintenance personnel are effectively prevented from falling from the tower.
When the tower anti-falling device needs to be detached from the power transmission line 5, the locking pin 2 only needs to be pulled out of the clamping groove 303, the valve can reversely rotate under the action of the elastic force of the torsion spring 4, the second stop lever 302 rotates to the outside of the accommodating cavity 103, and the opening at the lower end of the accommodating cavity 103 is opened accordingly, so that the tower anti-falling device can be detached from the power transmission line 5.
The pole tower anti-falling device is characterized in that the safety belt is hung on the power transmission line 5, and the safety belt is not required to be bound on the pole tower, so that the position of the safety belt on the pole tower is not required to be frequently adjusted, and the time and the physical strength of maintenance personnel when climbing the pole tower are greatly saved.
In some embodiments, referring to fig. 1 and 2, the first supporting rod 101 and the second supporting rod 102 are disposed at an angle, and the opening of the accommodating cavity 103 gradually increases from top to bottom.
In this embodiment, the first supporting rod 101 and the second supporting rod 102 are straight rods. The first support rod 101 is arranged along the vertical direction, and an included angle between the second support rod 102 and the first support rod 101 is 30-60 degrees. A V-shaped accommodation chamber 103 is formed between the first support bar 101 and the second support bar 102. The opening of the accommodating cavity 103 gradually increases from top to bottom, thereby facilitating the entry of the power line 5 into the accommodating cavity 103.
In some embodiments, referring to fig. 1 and 2, a sleeve 105 for passing a safety belt is fixedly installed at a lower end of the first support rod 101, and the sleeve 105 is disposed in a horizontal direction.
In this embodiment, the sleeve is fixed to the lower end of the first support rod 101 by welding. The sleeve is arranged in the horizontal direction. The harness passes through sleeve 105 to achieve a secure connection with the tower fall arrest device.
In some embodiments, referring to fig. 1 and 2, a guiding rod 106 is mounted at the lower end of the second supporting rod 102, and the guiding rod 106 is disposed obliquely.
In this embodiment, the guide bar 106 is a cylindrical bar, and the guide bar 106 is parallel to the second support bar 102. An external thread is arranged at one end of the guide rod 106, and a threaded hole for being installed on the guide rod 106 is arranged at the lower end face of the second support rod 102. The guide rod 106 and the second support rod 102 are in threaded connection, so that the guide rod 106 can be conveniently disassembled and assembled. The length of the guide rod 106 may be sized appropriately according to the actual need. By installing the guide rod 106 at the lower end of the second support rod 102, the position of the power transmission line 5 can be conveniently and rapidly found. In the process of placing the tower anti-falling device above the power transmission line 5, the position of the power transmission line 5 can be judged by only firstly putting the guide rod 106 on the power transmission line 5, and the tower anti-falling device is guided to be downwards close to the power transmission line 5.
In some embodiments, referring to fig. 1 to 3, a guide post 107 is fixedly mounted on the top of the second support rod 102, and a guide through hole in sliding fit with the locking pin 2 is formed in the guide post 107, and the guide through hole is disposed along a vertical direction.
In this embodiment, the guide post 107 is fixed to the top of the second support rod 102 by welding. The guide post 107 is cylindrical. The guide posts 107 are disposed in a vertical direction. The center of the guide post 107 is provided with a guide through hole slidably fitted with the lock pin 2. The guide post 107 is downwardly inserted into the catch 303 of the first bar 301 by its own weight without manual manipulation by a serviceman. When the lock of the shutter 3 needs to be released, the lock pin 2 is lifted upward. The locking pin 2 moves more steadily under the guiding action of the guiding column 107, so that the locking pin 2 is effectively prevented from shaking, and the locking pin 2 can be smoothly inserted into the clamping groove 303.
In some embodiments, referring to fig. 1 and 2, a guiding chute 109 is formed on a side wall of the locking pin 2, a limit screw 110 is fixedly mounted on the guiding column 107, and one end of the limit screw 110 extends into the guiding chute 109.
In this embodiment, the guide chute 109 is formed on the side wall of the locking pin 2, and the length direction of the guide chute 109 is consistent with the movement direction of the locking pin 2, that is, the guide chute 109 is disposed along the vertical direction. Both ends of the guide chute 109 in the length direction are sealing structures. The limit screw 110 remains perpendicular to the guide post 107. The side wall of the guide post 107 is provided with a threaded hole which is matched with the limit screw 110. One end of the limit screw 110 extends into the guide chute 109 through the side wall of the guide post 107. By the engagement of the limit screw 110 with the guide chute 109, the lock pin 2 can be moved up and down on the guide post 107 while preventing the lock pin 2 from coming out of the guide post 107.
In some embodiments, referring to fig. 1 to 3, a connection block 111 is fixedly mounted on the top of the locking pin 2, the outer contour of the connection block 111 is larger than the outer contour of the locking pin 2, and a hanging ring 112 is mounted on the top of the connection block 111.
In this embodiment, the connection block 111 is square. The connection block 111 is fixed to the top surface of the locking pin 2 by welding. The outer contour of the connection block 111 is larger than the outer contour of the locking pin 2, thereby providing a larger installation space for the installation of the suspension ring 112. Hanging ring 112 is hung on the unmanned aerial vehicle, and the tower anti-falling device is conveyed to the high altitude through the remote control unmanned aerial vehicle. The unmanned aerial vehicle is provided with a hook, and the hanging ring 112 is hooked through the hook, so that the tower anti-falling device is moved. The unmanned aerial vehicle drives this shaft tower anti-falling device to be close to power transmission line 5 downwards and makes power transmission line 5 support and lean on first pin 301, and this shaft tower anti-falling device moves downwards under the action of gravity, and power transmission line 5 drives gate 3 rotation, and unmanned aerial vehicle no longer exerts ascending effort to this shaft tower anti-falling device this moment. When the second stop lever 302 rotates into the accommodating cavity 103 and seals the power transmission line 5 in the accommodating cavity 103, the locking pin 2 moves downwards under the action of self gravity and is inserted into the clamping groove 303, so that the locking of the gate 3 is realized; when the gate 3 needs to be unlocked, only the remote control unmanned aerial vehicle is needed to drive the locking pin 2 to move upwards. The pole tower anti-falling device is operated manually by maintenance personnel in the process, so that the labor intensity of the maintenance personnel is greatly reduced, and the safety coefficient of the high-altitude operation of the maintenance personnel is improved.
In some embodiments, referring to fig. 1 to 3, a guide plate 113 is fixedly installed at the top of the guide post 107, the guide plate 113 is located at one side of the connection block 111, and the connection block 111 is slidably engaged with the sidewall of the guide plate 113.
In this embodiment, the guide plate 113 is a rectangular plate fixedly installed to the top surface of the guide post 107. The guide plate 113 is fixedly connected with the guide post 107 by welding. During the up-and-down movement of the connection block 111 along with the locking pin 2, the side wall of the connection block 111 is slidably engaged with the side wall of the guide plate 113. The guide plate 113 plays a guiding role for the connection block 111, thereby further securing stability during movement of the locking pin 2.
In some embodiments, referring to fig. 1 and 2, a slot 114 for installing the support shaft 104 is formed in the middle of the second support rod 102, and a yielding slot 115 for avoiding the gate 3 is formed on a side wall of the first support rod 101 opposite to the second support rod 102.
In this embodiment, the cross-sectional shapes of the first support bar 101 and the second support bar 102 are rectangular. The middle part of second bracing piece 102 has seted up the notch 114, and notch 114 runs through second bracing piece 102 and holds the chamber 103 intercommunication. The support shaft 104 is installed in the notch 114, and the first stop lever 301 and the second stop lever 302 are vertically arranged. When the first stop lever 301 is located in the notch 114, the second stop lever 302 is located at a position for blocking the opening of the accommodating cavity 103. When the second stop lever 302 is located in the notch 114, the first stop lever 301 is located at a position for blocking the opening of the accommodating cavity 103. During rotation of the gate 3 around the support shaft 104, the ends of the first stop lever 301 and the second stop lever 302, which are far away from the support shaft 104, pass through the relief groove 115. The limiting block 304 is fixedly arranged in the notch 114.
In some embodiments, referring to fig. 3, anti-slip pads 116 are provided on opposite side walls of the first support bar 101 and the second support bar 102.
In this embodiment, the second bar 302 blocks the power line 5 inside the housing cavity 103 when the shutter 3 is in the locked state. The power line 5 is abutted against the first supporting bar 101, the second supporting bar 102 and the second stop bar 302, respectively. The anti-slip pad 116 is fixed to the first support bar 101 and the second support bar 102 by means of bonding. The power transmission line 5 is in direct contact with the anti-slip pad 116, and the anti-slip pad 116 can effectively prevent the power transmission line 5 from rotating relative to the support frame 1.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. A tower fall arrest device, comprising: the device comprises a supporting frame, a locking pin, a gate and a torsion spring; the support frame comprises a first support rod and a second support rod, the first support rod is fixedly connected with the upper end of the second support rod, a containing cavity with a downward opening is formed between the first support rod and the second support rod, the safety belt is fixed on the first support rod, and a support shaft is fixedly installed on the second support rod; the locking pin is slidably arranged on the second supporting rod; the gate is rotatably arranged on the supporting shaft and used for blocking the lower end opening of the accommodating cavity; the gate comprises a first stop lever and a second stop lever which are arranged in an angle, one end of the first stop lever is rotationally connected with the supporting shaft, and the first stop lever is fixedly connected with the second stop lever; a clamping groove which is in plug-in fit with the locking pin is formed in the first stop lever; a limiting block for limiting the rotation angle of the second stop lever is arranged on the second support rod; the torsional spring is installed between gate and second bracing piece, the torsional spring is right the gate is exerted effort, makes the second pin supports and leans on the stopper.
2. A tower fall protection device as defined in claim 1, wherein the first support bar is disposed at an angle to the second support bar, and the opening of the receiving chamber increases gradually from top to bottom.
3. A tower fall protection device according to claim 1, wherein a sleeve for passing a safety belt is fixedly installed at the lower end of the first support rod, and the sleeve is disposed in a horizontal direction.
4. A tower fall arrest device according to claim 1, wherein the lower end of the second support bar is provided with a guide bar which is inclined.
5. The tower fall protection device according to claim 1, wherein a guide post is fixedly installed at the top of the second support rod, a guide through hole which is in sliding fit with the locking pin is formed in the guide post, and the guide through hole is arranged in the vertical direction.
6. The tower fall protection device of claim 5, wherein a guiding chute is formed in a side wall of the locking pin, a limit screw is fixedly installed on the guiding column, and one end of the limit screw extends into the guiding chute.
7. The tower fall protection device of claim 5, wherein a connecting block is fixedly arranged at the top of the locking pin, the outer contour of the connecting block is larger than that of the locking pin, and a hanging ring is arranged at the top of the connecting block.
8. The tower fall protection device of claim 7, wherein a guide plate is fixedly arranged at the top of the guide post, the guide plate is positioned at one side of the connecting block, and the connecting block is in sliding fit with the side wall of the guide plate.
9. The tower anti-falling device of claim 1, wherein the middle part of the second supporting rod is provided with a groove for installing the supporting shaft, and the side wall of the first supporting rod, which is opposite to the second supporting rod, is provided with a yielding groove for avoiding the gate.
10. A tower fall arrest device according to claim 1, wherein the first support bar and the second support bar are provided with anti-skid pads on opposite side walls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321195807.6U CN219595680U (en) | 2023-05-17 | 2023-05-17 | Anti-falling device for pole tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321195807.6U CN219595680U (en) | 2023-05-17 | 2023-05-17 | Anti-falling device for pole tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219595680U true CN219595680U (en) | 2023-08-29 |
Family
ID=87755112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321195807.6U Active CN219595680U (en) | 2023-05-17 | 2023-05-17 | Anti-falling device for pole tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219595680U (en) |
-
2023
- 2023-05-17 CN CN202321195807.6U patent/CN219595680U/en active Active
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