CN217697840U - Foot nail falling protector for climbing power transmission line iron tower - Google Patents
Foot nail falling protector for climbing power transmission line iron tower Download PDFInfo
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- CN217697840U CN217697840U CN202221634670.5U CN202221634670U CN217697840U CN 217697840 U CN217697840 U CN 217697840U CN 202221634670 U CN202221634670 U CN 202221634670U CN 217697840 U CN217697840 U CN 217697840U
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Abstract
The utility model discloses a foot nail falling protector for climbing transmission line iron tower, which comprises a main body seat, a movable buckle, a tension spring, a safety buckle, a handheld rod and a safety rope; the main body seat comprises a hanging plate and a C-shaped ring plate, the top of the hanging plate is provided with a hanging ring, the bottom of the hanging plate is provided with a connecting plate along the vertical direction, the outer edge of the hanging ring is C-shaped, the inner edge of the hanging ring is provided with a hanging groove, the C-shaped ring plate is fixed on the front side of the hanging ring, and the handheld rod is fixed on the back side of the hanging ring; the movable buckle is a C-shaped plate body provided with a lock nail groove, the middle part of the movable buckle is hinged with the top of the front side of the connecting plate, a tension spring is connected between the movable buckle and the C-shaped ring plate, the safety buckle is arranged on the C-shaped ring plate in the radial direction corresponding to the fixed position of the tension spring, when the tension spring is in the original length, the movable buckle seals the hanging groove of the hanging ring, and when the movable buckle rotates upwards to open the hanging groove, and the lock nail groove and the hanging groove surround the foot nail, the safety buckle limits the rotation of the movable buckle; the safety rope fixed on the body of the tower climbing person is connected with the bottom of the connecting plate. The utility model is worn on both hands of the tower climbing personnel and can safely and quickly climb.
Description
Technical Field
The utility model belongs to transmission line operation field specifically is a foot nail safety hook for climbing transmission line iron tower.
Background
The transmission line mainly comprises a lead, an insulator, a pole tower, a lightning conductor and a grounding device. The tower mainly plays a supporting role, the transmission line tower is divided into an iron tower and a concrete tower according to materials, the usage percentage of the iron tower on the transmission line is up to more than 80%, and particularly, the line of 500kV or more currently accounts for 100%. In the line operation and maintenance, electric shock and high-altitude falling are two main factors which harm the personal safety. With the rapid development of power grid construction, the height of the iron tower is higher and higher, the average height of the extra-high voltage line reaches more than 70 meters, and the physical strength of tower climbing personnel is more and more difficult to meet the operation requirement. The iron tower generally divide into angle steel tower and steel pipe tower two kinds, and traditional mode of ascending a height leans on angle steel both sides design foot nail or installs the climbing ladder climbing of hand on the steel pipe tower, easily takes place the high altitude and falls, endangers the personnel life safety of climbing the tower.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a convenient operation, can make the foot nail safety hook that climbs transmission line shaft tower fast safely of tower climbing personnel.
The utility model provides a foot nail safety hook for climbing transmission line iron tower, the technical scheme of adoption is: the structure of the safety catch comprises a main body seat, a movable buckle, a tension spring, a safety buckle, a handheld rod and a safety rope; the main body seat comprises a hanging plate and a C-shaped ring plate, the top of the hanging plate is provided with a hanging ring, the bottom of the hanging plate is provided with a connecting plate along the vertical direction, the outer edge of the hanging ring is C-shaped, the inner edge of the hanging ring is provided with a hanging groove, the C-shaped ring plate is fixed on the front side of the hanging ring, and the handheld rod is fixed on the back side of the hanging ring; the movable buckle is a C-shaped plate body provided with a lock nail groove, the middle part of the movable buckle is hinged with the top of the front side of the connecting plate, a tension spring is connected between the movable buckle and the C-shaped ring plate, the safety buckle is arranged on the C-shaped ring plate in the radial direction corresponding to the fixed position of the tension spring, when the tension spring is in the original length, the movable buckle seals the hanging groove of the hanging ring, and when the movable buckle rotates upwards to open the hanging groove, and the lock nail groove and the hanging groove surround the foot nail, the rotation of the movable buckle is limited through the safety buckle; the safety rope fixed on the tower climbing personnel is connected with the bottom of the connecting plate.
In one embodiment of the above technical solution, the hooking groove of the hooking ring is a C-shaped groove, and the front side thereof is a lower oblique edge capable of guiding.
In one embodiment of the above technical solution, the thickness of the connecting plate is greater than the thickness of the hanging ring, the front side of the connecting plate extends out of the hanging ring, the top surface of the extending thickness is arc-shaped, and the length of the C-shaped ring plate is greater than the thickness of the connecting plate.
In one embodiment of the above technical solution, the outer wall of the C-shaped ring plate is provided with a planar boss for mounting the elastic safety buckle, and the planar boss is provided with a radial hole penetrating through the C-shaped ring plate.
In an embodiment of the above technical scheme, the activity is detained including anterior with articulate the thin arc and the rear portion of the laminating of inner surface of ring and the thick arc of connecting plate laminating, the lower edge of thin arc is the hypotenuse that leads, and the front end top of thick arc is provided with and is used for the installation the U-shaped groove of extension spring, the staple groove is located the downside of thick arc.
In an embodiment of the above technical solution, the front portion of the thick arc-shaped plate is hinged to the top portion of the connecting plate through a cylindrical pin.
In an embodiment of the above technical solution, the elastic safety catch is a spring pin purchased from outsources.
In one embodiment of the above technical solution, an axial foot nail groove is provided at a lower side of the hand-held rod.
In one embodiment of the above technical solution, the end of the C-shaped ring plate is connected to the cover plate through a fastener, and the lower edge of the cover plate is provided with a C-shaped groove for fastening the foot nail.
The utility model discloses dress on tower climbing personnel's both hands, when tower climbing personnel prepare to climb the tower along the foot nail, a safety hook is held through handheld pole respectively to both hands to tie up through the bandage, both hands pin in turn and loosen the foot nail and realize upwards climbing. The working principle of convenient operation, safe and quick climbing can be realized as follows: when the falling protector is in an initial state, a tension spring between a movable buckle and a C-shaped ring plate is in an original length, the movable buckle seals a hanging groove of a hanging ring of a main body seat, the inner end of a pin of an elastic safety buckle is tightly pressed by a built-in pressure spring and penetrates through the C-shaped ring plate to be in a natural extending state, when climbing, a person climbing a tower holds the falling protector to extend to the upper part of a foot nail, then the falling protector moves downwards to the front part of the movable buckle to be in contact with the foot nail, the movable buckle rotates upwards to completely open the hanging groove of the hanging ring to buckle the upper part of the foot nail, a locking nail groove of the movable buckle wraps the lower part of the foot nail, at the moment, the C-shaped outer edge of the movable buckle contacts a pin at the front end of the elastic safety buckle and continuously pushes the pin, the pressure spring in the elastic safety buckle is subjected to the pin, the pin retracts into the elastic safety buckle, when the movable buckle continues to rotate to the outer edge gap, the pin loses the thrust end and springs back to the initial position, so that the movable buckle and the hanging ring lock the foot nail. When the foot nail is to be loosened, the fingers push the straight handle at the tail part of the elastic safety buckle to drive the pin of the elastic safety buckle to retract, the pin is withdrawn from the C-shaped annular plate, and the movable buckle rotates reversely under the action of the tension spring to loosen the foot nail so as to separate the falling protector from the foot nail. When the tower climber treads the foot nail and the slipping accident occurs, a falling protector is buckled on the foot nail, and the tower climber is hung by a safety rope connected with the falling protector.
Drawings
Fig. 1 is a schematic front view of an embodiment of the present invention.
Fig. 2 is a schematic structural view of fig. 1 with a cover plate removed.
Fig. 3 is a schematic diagram of the axial structure of fig. 2.
Fig. 4 is an enlarged structural schematic view of the main body seat in fig. 3.
Fig. 5 is an enlarged schematic structural view of the movable buckle in fig. 3.
Detailed Description
As shown in fig. 1 to 5, the anti-falling foot nail device for climbing an iron tower of an electric transmission line disclosed in the present embodiment includes a main body seat 1, a movable buckle 2, a tension spring 3, an elastic safety buckle 4, a cover plate 5, a hand-held rod 6, a binding band 7, a safety buckle 8, and a safety rope 9.
The main body seat 1 is a main stressed structural part and comprises a hanging plate and a C-shaped annular plate, wherein the top of the hanging plate is a hanging ring 11, the bottom of the hanging plate is a vertical connecting plate 12, the outer edge of the hanging ring 11 is C-shaped, the inner edge of the hanging ring comprises a C-shaped hanging groove and a lower bevel edge of the front side of the C-shaped hanging groove, and the C-shaped annular plate 13 is welded on the front surface of the hanging ring 11.
The whole shape of activity knot 2 is C shape, including anterior and the thin arc 21 of articulating the laminating of intra-annular surface and the thick arc 22 of rear portion and connecting plate laminating, the lower edge of thin arc is the hypotenuse that leads, and the front end top of thick arc is provided with the U-shaped groove of installation extension spring 3, and the downside of thick arc sets up convex staple locking groove.
The front part of the thick arc-shaped plate of the movable buckle 2 is hinged with the top of the connecting plate 12 through a cylindrical pin shaft.
The other end of the tension spring 3 is welded and fixed with the inner wall of the C-shaped annular plate 13 through a fixing ring, and when the tension spring is in an initial state, the thin arc-shaped plate 21 of the movable buckle 2 seals the C-shaped hanging groove of the main body seat 1.
A plane boss is arranged on the C-shaped annular plate 13 of the main body seat 1 corresponding to the rear side of the fixed position of the tension spring 3, and a radial elastic safety catch 4 is arranged at the plane boss.
In this embodiment, the elastic safety catch 4 is a spring pin purchased from other sources.
When the elastic safety buckle 4 is installed, the bottom of the outer sleeve is welded in the installation hole on the plane boss, and the inner end of the pin penetrates through the C-shaped annular plate.
The cover plate 5 has the same structure as the hanging ring 11 and is fixed to the end of the C-shaped ring plate 13 by screws.
The hand-held rod 6 is fixed on the back of the hanging ring 11 through a bolt, and the lower side of the hand-held rod 6 is provided with a concave foot nail groove.
The upside of handheld pole 6 sets up the mounting groove for alternate bandage 7, will climb the palm of tower personnel and bind in handheld pole 6 through the bandage.
The bottom of the connecting plate 12 of the main body seat 1 is provided with a round hole, a safety buckle 8 connected with a safety rope 9 is connected in the round hole, and the safety rope 9 is tied on the body of a person climbing the tower.
The initial state that each structure spare of this safety hook was assembled does: the tension spring 3 is in the original length, the thin arc-shaped plate 21 of the movable buckle 2 seals the C-shaped sliding groove of the hanging ring 11 of the main body seat 1, and the inner end of the pin of the elastic safety buckle 4 penetrates through the C-shaped ring plate 13.
When the falling protector is in an initial state, the tension spring between the movable buckle and the C-shaped annular plate is in an original length, the movable buckle seals the hanging groove of the hanging ring of the main body seat, and the inner end of the pin of the elastic safety buckle is tightly propped by the built-in pressure spring and penetrates through the C-shaped annular plate to be in a natural extending state.
When climbing, a person climbing the tower holds the falling protector to extend above the foot nails, then moves downwards to the front part of the movable buckle and presses downwards when contacting with the foot nails, so that the movable buckle rotates upwards to completely open the hanging groove of the hanging and connecting ring to buckle the upper parts of the foot nails, the locking nail groove of the movable buckle wraps the lower parts of the foot nails, at the moment, the C-shaped outer edge of the movable buckle contacts with the pin at the front end of the elastic safety buckle and continuously pushes the pin, so that the pressure spring in the elastic safety buckle yields the pushing force received by the pin, the pin retracts into the elastic safety buckle, and when the movable buckle continuously rotates to the notch of the outer edge of the movable buckle, the pin loses the pushing force and rebounds to the initial position to block the movable buckle, so that the movable buckle and the hanging and connecting ring can pin the foot nails. When the foot nail is to be loosened, the finger pushes the straight handle at the tail part of the elastic safety catch to drive the front end of the pin of the elastic safety catch to retract, the C-shaped annular plate is withdrawn, the movable catch rotates reversely under the action of the tension spring to loosen the foot nail, and the falling protector is separated from the foot nail. When the tower climber treads the foot nail and the slipping accident occurs, a falling protector is buckled on the foot nail, and the tower climber is hung by a safety rope connected with the falling protector.
Claims (9)
1. The utility model provides a foot nail safety hook for climbing transmission line iron tower which characterized in that: it comprises a main body seat, a movable buckle, a tension spring, a safety buckle, a hand-held rod and a safety rope; the main body seat comprises a hanging plate and a C-shaped ring plate, the top of the hanging plate is provided with a hanging ring, the bottom of the hanging plate is provided with a connecting plate along the vertical direction, the outer edge of the hanging ring is C-shaped, the inner edge of the hanging ring is provided with a hanging groove, the C-shaped ring plate is fixed on the front side of the hanging ring, and the handheld rod is fixed on the back side of the hanging ring; the movable buckle is a C-shaped plate body provided with a lock nail groove, the middle part of the movable buckle is hinged with the top of the front side of the connecting plate, a tension spring is connected between the movable buckle and the C-shaped ring plate, the safety buckle is arranged on the C-shaped ring plate in the radial direction corresponding to the fixed position of the tension spring, when the tension spring is in the original length, the movable buckle seals the hanging groove of the hanging ring, and when the movable buckle rotates upwards to open the hanging groove, and the lock nail groove and the hanging groove surround the foot nail, the rotation of the movable buckle is limited through the safety buckle; the safety rope fixed on the tower climbing personnel is connected with the bottom of the connecting plate.
2. The foot nail fall arrester for climbing iron tower of power transmission line of claim 1, characterized in that: the hanging groove of the hanging ring is a C-shaped groove, and the front side of the C-shaped groove is a lower bevel edge capable of guiding.
3. The foot nail fall arrester for climbing iron tower of power transmission line of claim 1, characterized in that: the thickness of the connecting plate is larger than that of the hanging ring, the front side of the connecting plate extends out of the hanging ring, the top surface extending out of the hanging ring is arc-shaped, and the length of the C-shaped ring plate is larger than that of the connecting plate.
4. The foot nail fall arrester for climbing iron tower of power transmission line of claim 1, characterized in that: the outer wall of the C-shaped annular plate is provided with a plane boss used for installing the safety catch, and the plane boss is provided with a radial hole penetrating through the C-shaped annular plate.
5. The foot nail fall arrester for climbing iron tower of power transmission line of claim 1, characterized in that: the movable buckle comprises a front part and a thin arc-shaped plate and a rear part which are attached to the inner surface of the hanging ring, and a thick arc-shaped plate which is attached to the connecting plate, the lower edge of the thin arc-shaped plate is a guiding bevel edge, the top of the front end of the thick arc-shaped plate is provided with a U-shaped groove for installing the tension spring, and the lock nail groove is located on the lower side of the thick arc-shaped plate.
6. The foot nail fall arrester for climbing iron tower of power transmission line of claim 5, characterized in that: the front part of the thick arc-shaped plate is hinged with the top of the connecting plate through a cylindrical pin.
7. The foot nail fall arrester for climbing iron tower of power transmission line of claim 1, characterized in that: the safety catch adopts an outsourced spring pin.
8. The foot nail fall arrester for climbing iron tower of power transmission line of claim 1, characterized in that: the lower side of the hand-held rod is provided with an axial foot nail catching groove.
9. The foot nail fall arrester for climbing iron tower of power transmission line of claim 1, characterized in that: the tail end of the C-shaped annular plate is connected with the cover plate through a fastening piece, and the lower edge of the cover plate is provided with a C-shaped groove for fastening the foot nail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221634670.5U CN217697840U (en) | 2022-06-27 | 2022-06-27 | Foot nail falling protector for climbing power transmission line iron tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221634670.5U CN217697840U (en) | 2022-06-27 | 2022-06-27 | Foot nail falling protector for climbing power transmission line iron tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217697840U true CN217697840U (en) | 2022-11-01 |
Family
ID=83774434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221634670.5U Active CN217697840U (en) | 2022-06-27 | 2022-06-27 | Foot nail falling protector for climbing power transmission line iron tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217697840U (en) |
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2022
- 2022-06-27 CN CN202221634670.5U patent/CN217697840U/en active Active
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