CN116059551B - Anti-falling safety buckle for power transmission tower foot nails - Google Patents
Anti-falling safety buckle for power transmission tower foot nailsInfo
- Publication number
- CN116059551B CN116059551B CN202310222668.XA CN202310222668A CN116059551B CN 116059551 B CN116059551 B CN 116059551B CN 202310222668 A CN202310222668 A CN 202310222668A CN 116059551 B CN116059551 B CN 116059551B
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- buckle
- main body
- plate
- groove
- buckling
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 26
- 230000006835 compression Effects 0.000 claims abstract description 32
- 238000007906 compression Methods 0.000 claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 230000009194 climbing Effects 0.000 description 8
- 229910052742 iron Inorganic materials 0.000 description 5
- 238000005452 bending Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000003813 thumb Anatomy 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003811 finger Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 1
Abstract
The application discloses a falling-preventing safety buckle for a power transmission tower foot nail, which comprises the following components: the self-locking buckle comprises a buckle main body, a compression spring, a buckling plate, an elastic clamping plate, a compression rod, an elastic pressing plate and a self-locking buckle; the retaining ring main body is cylindrical, and an opening is arranged below the retaining ring main body; a spring groove is arranged in the snap ring main body; the buckling plate can extend into the spring groove in a sliding manner; the elastic pressing plate is used for providing tension force for the self-locking buckle to rotate in the direction close to the outer end of the spring groove when the elastic pressing plate is pressed, so that the self-locking buckle is limited to slide in the direction of the inner end of the spring groove. The safety buckle can be closed and opened by the sliding buckle plate, so that the safety buckle is buckled on the foot nails and is taken down from the foot nails, the whole operation is convenient, the safety buckle can be prevented from sliding off from the foot nails through the cylindrical design, the safety buckle can be prevented from being opened due to false touch by the elastic clamping plate matched with the self-locking buckle, and the safety buckle can be effectively improved compared with the existing safety buckle.
Description
Chinese patent priority claim 202210264335.9, filing date 2022.3.17
Technical Field
The application relates to the technical field of iron tower safety protection tools, in particular to an anti-falling safety buckle for power transmission iron tower foot nails.
Background
The transmission tower is a tower structure for supporting overhead conductors, lightning conductors and other accessories, and is an important component of overhead transmission lines. Because the iron tower, the lead and the hardware fitting are outdoor for a long time, the surrounding environment can cause the situation that each accessory has defects or faults, and operation and maintenance personnel are required to climb the tower to eliminate the defects and faults. At present, the main mode of climbing the iron tower is climbing through foot nails on the iron tower. In order to avoid the foot loss and falling during climbing, a worker is usually required to use a safety buckle to connect the foot nails. Because the existing safety buckle is generally flat, the risk of slipping off the foot nails in the climbing process exists; meanwhile, in the climbing process, the situation that the safety buckle is opened due to the fact that the buckle plate of the safety buckle is touched by mistake exists, the safety buckle can slide off the foot nails, and accordingly workers are injured.
Disclosure of Invention
Therefore, the application aims to provide the anti-falling safety buckle for the power transmission tower foot nails, which is used for solving the problem that the existing safety buckle for climbing the power transmission tower has safety risks.
In order to achieve the technical purpose, the application provides an anti-falling safety buckle for a power transmission tower foot nail, which comprises the following components: the self-locking buckle comprises a buckle main body, a compression spring, a buckling plate, an elastic clamping plate, a compression rod, an elastic pressing plate and a self-locking buckle;
The retaining ring main body is cylindrical, and an opening is arranged below the retaining ring main body;
the length of the clasp main body along the axial direction is greater than the length of the diameter of the clasp main body;
a spring groove is formed in the retaining ring main body;
the compression springs comprise a plurality of compression springs and are arranged in the spring grooves at intervals along the axial direction of the buckle ring main body;
one end of the buckling plate can slidably extend into the spring groove and is abutted against the compression spring;
A buckling groove is formed in the end wall of the top end of the opening on the buckle main body;
The buckling groove is used for enabling the other end of the buckling plate to extend into the buckling groove in a sliding mode;
the elastic clamping plate is arranged in the buckling groove and is used for being clamped with the other end of the buckling plate;
The pressing rod is slidably arranged on the buckle main body along the radial direction of the buckle main body and is used for pushing the elastic clamping plate to move away from the buckling plate so as to release the clamping connection between the elastic clamping plate and the buckling plate;
the self-locking buckle is rotatably arranged at the side part of the spring groove;
The elastic pressing plate is arranged at the upper end of the inner wall of the buckle main body, one end of the elastic pressing plate is fixedly connected with the buckle main body, and the other end of the elastic pressing plate is fixedly connected with the self-locking buckle;
the elastic pressing plate is used for providing tension force for the self-locking buckle to rotate in the direction close to the outer end of the spring groove when the elastic pressing plate is subjected to pressure, so that the self-locking buckle limits the buckling plate to slide in the direction of the inner end of the spring groove.
Further, the self-locking buckle is provided with a bump;
the groove wall of the spring groove is provided with an avoiding groove for the convex block to be placed in.
Further, the spring groove is formed by arranging a plurality of round grooves along the axial direction of the buckle main body;
the self-locking buckle is arranged between two adjacent circular grooves.
Further, a handle is arranged on the outer side of the other end of the buckling plate, and a concave buckle is arranged on the inner side of the other end of the buckling plate;
the concave buckle is used for being clamped in by the elastic clamping plate.
Further, a clamping plate groove is formed in the inner cylinder wall of the buckle main body at a position corresponding to the buckling groove;
The buckling groove is communicated with the clamping plate groove;
The elastic clamping plate is arranged on the clamping plate groove and is provided with a clamping block extending into the buckling groove;
the clamping block is used for being clamped with the concave buckle.
Further, a rubber gasket is paved on the inner cylinder wall of the elastic pressing plate.
Further, a safety rope fixing end buckle is arranged below the buckle main body.
Further, a plurality of friction grain grooves are formed in the outer cylinder wall of the buckle main body.
Further, an umbrella-shaped handle is arranged above the buckle main body.
Further, the compression bar is a 匚 -shaped bar;
Two holes are formed in the buckle main body;
the opening end of the compression bar passes through the two holes to be abutted against the elastic clamping plate.
According to the technical scheme, the application provides the anti-falling safety buckle for the power transmission tower foot nails, which comprises the following components: the self-locking buckle comprises a buckle main body, a compression spring, a buckling plate, an elastic clamping plate, a compression rod, an elastic pressing plate and a self-locking buckle; the retaining ring main body is cylindrical, and an opening is arranged below the retaining ring main body; the length of the clasp main body along the axial direction is greater than the length of the diameter of the clasp main body; a spring groove is formed in the retaining ring main body; the compression springs comprise a plurality of compression springs and are arranged in the spring grooves at intervals along the axial direction of the buckle ring main body; one end of the buckling plate can slidably extend into the spring groove and is abutted against the compression spring; a buckling groove is formed in the end wall of the top end of the opening on the buckle main body; the buckling groove is used for enabling the other end of the buckling plate to extend into the buckling groove in a sliding mode; the elastic clamping plate is arranged in the buckling groove and is used for being clamped with the other end of the buckling plate; the pressing rod is slidably arranged on the buckle main body along the radial direction of the buckle main body and is used for pushing the elastic clamping plate to move away from the buckling plate so as to release the clamping connection between the elastic clamping plate and the buckling plate; the self-locking buckle is rotatably arranged at the side part of the spring groove; the elastic pressing plate is arranged at the upper end of the inner wall of the buckle main body, one end of the elastic pressing plate is fixedly connected with the buckle main body, and the other end of the elastic pressing plate is fixedly connected with the self-locking buckle; the elastic pressing plate is used for providing tension force for the self-locking buckle to rotate in the direction close to the outer end of the spring groove when the elastic pressing plate is subjected to pressure, so that the self-locking buckle limits the buckling plate to slide in the direction of the inner end of the spring groove. The safety buckle can be closed and opened by the sliding buckle plate, so that the safety buckle is buckled on the foot nails and is taken down from the foot nails, the whole operation is convenient, the safety buckle can be prevented from sliding off from the foot nails through the cylindrical design, the safety buckle can be prevented from being opened due to false touch by the elastic clamping plate matched with the self-locking buckle, and the safety buckle can be effectively improved compared with the existing safety buckle.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the application, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a perspective view of an overall structure of a fall-preventing safety buckle for a power transmission tower foot nail according to an embodiment of the present application;
Fig. 2 is a side perspective view of a fall protection safety buckle for a power pylon foot nail according to an embodiment of the present application;
fig. 3 is a side view of an anti-falling safety buckle for a power transmission tower foot nail in an open state according to an embodiment of the present application;
Fig. 4 is a side view of a power transmission tower foot nail in a closed state of a falling protection safety buckle according to an embodiment of the present application;
Fig. 5 is an enlarged view of the position of a self-locking buckle in a closed state of a falling-preventing safety buckle for a power transmission tower foot nail according to an embodiment of the present application;
FIG. 6 is a side view of a prior art foot peg provided by an embodiment of the present application;
Fig. 7 is a perspective view of a falling-preventing safety buckle removing buckling plate for a power transmission tower foot nail according to an embodiment of the application;
FIG. 8 is another perspective view of a falling protection safety buckle removal buckling plate for a power transmission tower foot nail according to an embodiment of the present application;
Fig. 9 is a schematic view of a buckle plate in a falling-preventing safety buckle for a power transmission tower foot nail according to an embodiment of the present application;
Fig. 10 is a schematic diagram of an elastic clamping plate in a falling-preventing safety buckle for a power transmission tower foot nail according to an embodiment of the present application;
fig. 11 is an enlarged view of the position of a pressing rod in the anti-falling safety buckle for a power transmission tower foot nail according to the embodiment of the application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the application, are intended to be within the scope of the claimed application based on embodiments of 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 or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the embodiments of the present application 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 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 describing embodiments of the present application, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, interchangeably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or in communication between two elements. The specific meaning of the above terms in embodiments of the present application will be understood in detail by those of ordinary skill in the art.
Referring to fig. 1 to 11, an anti-falling safety buckle for a power transmission tower foot nail according to an embodiment of the present application includes: the self-locking buckle comprises a buckle main body 1, a compression spring 2, a buckling plate 3, an elastic clamping plate 5, a compression rod 6, an elastic pressing plate 7 and a self-locking buckle 8; the buckle main body 1 is cylindrical, and an opening 10 is arranged below the side of the buckle main body; the length of the clasp body 1 in the axial direction is longer than the length of the clasp body 1 diameter.
Referring to fig. 6, the conventional peg 9 is generally in the shape of a bent rod with a bent portion. There is also a risk of slipping out of the end of the peg 9 and out of engagement with the peg 9 with existing flat safety buckles. In this scheme, through setting up buckle main part 1 for axial length is greater than cylindric of diameter for buckle main part 1 can be dead with the portion of bending card and be difficult for breaking away from when sliding to the portion of bending of pin 9, reduce the risk of safety catch roll-off pin 9.
A spring groove 14 is arranged in the buckle main body 1; the compression springs 2 comprise a plurality of compression springs and are arranged in the spring grooves 14 at intervals along the axial direction of the snap ring main body 1; one end of the buckling plate 3 can slide into the spring groove 14 and is abutted with the compression spring 2; the end wall of the opening 10 of the buckle main body 1 is provided with a buckling groove 17; the buckling groove 17 is used for the other end of the buckling plate 3 to extend into in a sliding way; the elastic clamping plate 5 is arranged in the buckling groove 17 and is used for being clamped with the other end of the buckling plate 3; the pressing rod 6 is slidably arranged on the buckle main body 1 along the radial direction of the buckle main body 1 and is used for pushing the elastic clamping plate 5 to move away from the buckle plate 3 so as to release the clamping connection between the elastic clamping plate 5 and the buckle plate 3; the self-locking buckle 8 is rotatably arranged at the side part of the spring groove 14; the elastic pressing plate 7 is arranged at the upper end of the inner wall of the buckle main body 1, one end of the elastic pressing plate is fixedly connected with the buckle main body 1, and the other end of the elastic pressing plate is fixedly connected with the self-locking buckle 8; the elastic pressing plate 7 is used for providing a pulling force for enabling the self-locking buckle 8 to rotate towards the outer end direction close to the spring groove 14 when being pressed, so that the self-locking buckle 8 limits the buckling plate 3 to slide towards the inner end direction of the spring groove 14.
Specifically, the elastic pressing plate 7 may be made of a memory alloy, and may deform when being pressed, so as to pull the self-locking buckle 8 to rotate.
Referring to fig. 3, when the buckle body 1 is in an open state, the elastic pressing plate 7 is pressed, and the self-locking buckle 8 is attached to the groove wall of the spring groove 14, so that the buckling plate 3 can slide along the spring groove 14.
Referring to fig. 4 and 5, when the buckle body 1 is in a closed state, the spring pressing plate 7 receives the pressure of the peg 9 and deforms toward the inner wall of the buckle body 1, so as to drive the self-locking buckle 8 to rotate toward a direction away from the wall of the spring groove 14 and enter the spring groove 14, thereby providing a blocking effect for inward sliding of the buckling plate 3, avoiding accidental opening of the buckling plate 3 and realizing the locking effect.
When in use, a worker can pull the buckling plate 3 through the thumb to open the buckling plate main body 1 and then sleeve the buckling plate main body 1 on the spikes 9, and then the buckling plate 3 closes the buckling plate main body 1 under the action of the compression spring 2. During climbing, the spikes 9 are abutted against the spring pressing plate 7, so that the spring pressing plate 7 is in a pressed state and deforms to pull the self-locking buckle 8 to rotate, and the self-locking buckle 8 stretches into the spring groove 14 to limit the buckling plate 3 to slide inwards to open the buckling ring main body 1.
When the buckle main body 1 needs to be taken down, because the diameter inside the buckle main body 1 is larger than the pin 9, the buckle main body 1 can be slightly lifted up first, so that after the elastic pressing plate 7 is not stressed, the elastic pressing plate returns to deform under the action of self elastic force, and then the self-locking buckle 8 is pushed by the elastic pressing plate 7 to rotate to be attached to the groove wall of the spring groove 14, so that the buckling plate 3 can slide towards the inner side of the spring groove 14 to open the buckle main body 1.
The bottom end of the opening 10 is a fracture end of the buckle body 1 at the bottom; similarly, the tip of the opening 10 is a broken end of the clasp body 1 on the side. When a worker uses the device, the palm can be held on the buckle main body 1; the opening 10 located at the side lower part of the buckle body 1 can facilitate the operator to toggle the buckle plate 3 by thumb. The size of the opening 10 is larger than the diameter of the main shaft of the peg 9.
In a more specific embodiment, referring to fig. 5, the self-locking buckle 8 is provided with a bump 81; the groove wall of the spring groove 14 is provided with a avoiding groove 142 into which the lug 81 is placed.
Specifically, the self-locking buckle 8 is provided with a rotation shaft 82, and the projection 81 is rotatable around the rotation shaft 82. The self-locking buckle 8 is integrally comma-shaped, and the avoiding groove 142 can be used for the convex blocks 81 to be clamped in so as to avoid the blockage of the sliding of the buckling plate 3.
Further, referring to fig. 7 to 9, the spring groove 14 is composed of a plurality of circular grooves 141 arranged along the axial direction of the buckle body 1; the plurality of compression springs 2 can be arranged in the circular grooves 141 in a one-to-one correspondence manner, so that the mutual interference between the springs is avoided. Correspondingly, the buckling plate 3 is provided with a plurality of round protrusions 33 which are matched with the spring grooves 14. The self-locking buckle 8 is arranged between two adjacent circular grooves 141, and collision with the compression spring 2 is avoided.
Further, a handle 31 is arranged at the outer side of the other end of the buckling plate 3, and a concave buckle 32 is arranged at the inner side of the other end of the buckling plate; the concave buckle 32 is used for clamping the elastic clamping plate 5. The handle 31 can be more convenient for a worker to pull the buckle plate 3.
Further, referring to fig. 1 to 10, a clip plate groove 15 is provided on the inner cylinder wall of the buckle main body 1 at a position corresponding to the fastening groove 17; the buckling groove 17 is communicated with the clamping plate groove 15; the elastic clamping plate 5 is arranged on the clamping plate groove 15 and is provided with a clamping block 51 extending into the buckling groove 17; the clamping block 51 is used for clamping with the concave buckle 32.
Further, a rubber gasket 4 is laid on the inner cylinder wall of the elastic pressing plate 7.
The rubber gasket 4 has certain elasticity, can increase the contact area of the buckle main body 1 and the pin main rod and increase friction force, and prevents the relative rotation of the buckle main body 1 and the pin.
Further, a safety rope fixing end buckle 13 is arranged below the buckle main body 1 and is used for hanging the safety rope.
Further, a plurality of friction grooves 18 are formed in the outer cylinder wall of the buckle main body 1, so that the friction force between the buckle main body 1 and the palm of a worker can be increased.
Further, an umbrella handle 11 is provided above the buckle body 1. The clasp body 1 may include a grip ring 12; a spring groove 14 is machined into the grip ring 12.
When the device is used by a worker, the worker can hold the umbrella-shaped handle 11 on the holding ring 12 of the buckle main body 1, press the clamping block 51 of the elastic clamping plate 5 out of the concave buckle 32 of the buckle plate 3 by pressing the pressing rod 6 by the finger, and further dial the handle 31 downwards to slide the buckle plate 3 to open the opening. After the handle is released, the buckling plate 3 can pop up under the elasticity of the compression spring 2 to enable the opening to be closed, and buckling of the main shank of the foot nail is completed. When the user needs to climb upwards to buckle on the next foot nail, the user only needs to press the pressing rod 6 and pull the buckling plate 3 to open the opening, and the worker can drive the buckling ring main body 1 to move to the upper stage of the foot nail through the umbrella-shaped handle 11 of the two-finger clamping column, and the steps are repeated. Compared with the existing safety rope fastening mode, unnecessary actions can be reduced, and climbing efficiency is improved.
Further, referring to fig. 11, the compression bar 6 is a 匚 -shaped bar; two holes 16 are arranged on the buckle main body 1; the opening end of the compression bar 6 passes through the two holes 16 to be abutted against the elastic clamping plate 5.
While the application has been described in detail with reference to the examples, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the application may be modified or equivalents may be substituted for elements thereof, and that any modifications, equivalents, improvements or changes will fall within the spirit and principles of the application.
Claims (10)
1. A prevent safety knot that falls for steel pylons foot nail, its characterized in that includes: the self-locking buckle comprises a buckle main body (1), a compression spring (2), a buckling plate (3), an elastic clamping plate (5), a compression bar (6), an elastic pressing plate (7) and a self-locking buckle (8);
the buckle main body (1) is cylindrical, and an opening (10) is arranged below the buckle main body;
the length of the clasp main body (1) along the axial direction is larger than the length of the diameter of the clasp main body (1);
a spring groove (14) is formed in the buckle main body (1);
the compression springs (2) comprise a plurality of compression springs and are arranged in the spring grooves (14) at intervals along the axial direction of the buckle main body (1);
one end of the buckling plate (3) can slidably extend into the spring groove (14) and is abutted against the compression spring (2);
A buckling groove (17) is formed in the end wall of the top end of the opening (10) on the buckle main body (1);
The buckling groove (17) is used for enabling the other end of the buckling plate (3) to extend into the buckling groove in a sliding mode;
the elastic clamping plate (5) is arranged in the buckling groove (17) and is used for being clamped with the other end of the buckling plate (3);
The pressing rod (6) is slidably arranged on the buckle main body (1) along the radial direction of the buckle main body (1) and is used for pushing the elastic clamping plate (5) to move away from the buckling plate (3) so as to release the clamping connection between the elastic clamping plate (5) and the buckling plate (3);
The self-locking buckle (8) is rotatably arranged at the side part of the spring groove (14);
The elastic pressing plate (7) is arranged at the upper end of the inner wall of the buckle main body (1), one end of the elastic pressing plate is fixedly connected with the buckle main body (1), and the other end of the elastic pressing plate is fixedly connected with the self-locking buckle (8);
The elastic pressing plate (7) is used for providing a pulling force for enabling the self-locking buckle (8) to rotate towards the outer end direction close to the spring groove (14) when being pressed, so that the self-locking buckle (8) can limit the buckling plate (3) to slide towards the inner end direction of the spring groove (14).
2. Falling protection safety buckle for pylon spikes according to claim 1, characterised in that the self-locking buckle (8) is provided with a bump (81);
the groove wall of the spring groove (14) is provided with an avoidance groove (142) for the bump (81) to be placed in.
3. The fall protection safety buckle for pylon spikes according to claim 1, characterized in that said spring groove (14) consists of a plurality of circular grooves (141) arranged axially of said buckle body (1);
The self-locking buckle (8) is arranged between two adjacent circular grooves (141).
4. The anti-falling safety buckle for the power transmission tower foot nails according to claim 1, wherein a handle (31) is arranged at the outer side of the other end of the buckling plate (3), and a concave buckle (32) is arranged at the inner side;
The concave buckle (32) is used for clamping in the elastic clamping plate (5).
5. The anti-falling safety buckle for the power transmission tower foot nails according to claim 4, wherein a clamping plate groove (15) is arranged at the position of the inner cylinder wall of the buckle main body (1) corresponding to the buckling groove (17);
the buckling groove (17) is communicated with the clamping plate groove (15);
the elastic clamping plate (5) is arranged on the clamping plate groove (15) and is provided with a clamping block (51) extending into the buckling groove (17);
The clamping block (51) is used for being clamped with the concave buckle (32).
6. The anti-falling safety buckle for the power transmission tower foot nails according to claim 1 is characterized in that a rubber gasket (4) is paved on the inner cylinder wall of the elastic pressing plate (7).
7. The anti-falling safety buckle for the power transmission tower foot nail according to claim 1, wherein a safety rope fixed end buckle (13) is arranged below the buckle main body (1).
8. The anti-falling safety buckle for the power transmission tower foot nails according to claim 1 is characterized in that a plurality of friction grain grooves (18) are arranged on the outer cylinder wall of the buckle main body (1).
9. The anti-falling safety buckle for the power transmission tower foot nail according to claim 1, wherein an umbrella-shaped handle (11) is arranged above the buckle main body (1).
10. The anti-falling safety buckle for the power pylon foot according to claim 1, characterized in that the compression bar (6) is a 匚 -shaped bar;
Two holes (16) are formed in the buckle main body (1);
The opening end of the compression bar (6) passes through the two holes (16) to be abutted against the elastic clamping plate (5).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210264335.9A CN114652974A (en) | 2022-03-17 | 2022-03-17 | Anti-falling safety buckle for power transmission tower foot nail |
| CN2022102643359 | 2022-03-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116059551A CN116059551A (en) | 2023-05-05 |
| CN116059551B true CN116059551B (en) | 2024-07-09 |
Family
ID=
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205287309U (en) * | 2016-01-14 | 2016-06-08 | 温州泰昌铁塔制造有限公司 | A prevent instrument of falling for steel pylons |
| CN206827904U (en) * | 2017-06-29 | 2018-01-02 | 夏永慧 | A kind of crane hook self-locking device |
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205287309U (en) * | 2016-01-14 | 2016-06-08 | 温州泰昌铁塔制造有限公司 | A prevent instrument of falling for steel pylons |
| CN206827904U (en) * | 2017-06-29 | 2018-01-02 | 夏永慧 | A kind of crane hook self-locking device |
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