CN215732608U - Quick mounting tool of transmission line earth connection downlead - Google Patents
Quick mounting tool of transmission line earth connection downlead Download PDFInfo
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- CN215732608U CN215732608U CN202121643513.6U CN202121643513U CN215732608U CN 215732608 U CN215732608 U CN 215732608U CN 202121643513 U CN202121643513 U CN 202121643513U CN 215732608 U CN215732608 U CN 215732608U
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Abstract
The utility model relates to a quick installation tool for a down lead of a grounding wire of a power transmission line, which comprises an operating rod, a lifting hook, a base adjusting screw rod and a base, wherein the lifting hook is arranged on the operating rod; the end department of action bars one end is rotated with base accommodate the lead screw's bottom and is connected, and base accommodate the lead screw can use the end of action bars to swing as the axle, and its top rotates with the base to be connected, and the base can use base accommodate the lead screw to rotate as the axle, and can with tower leg steel sheet joint, on the lifting hook can be gliding locates the action bars, and can hook the ground connection band iron of ground connection downlead. In the operation maintenance service of the power transmission line, the operating rod forms a fixed end through the base adjusting screw rod and the base, the other end of the operating rod is pulled by external force, and the grounding flat iron of the down lead is driven by the lifting hook to move to an installation position relative to the tower leg steel plate; convenient operation, can reduce the physical strength consumption of operators, improve the operating efficiency, and is light and labor-saving.
Description
Technical Field
The utility model relates to the technical field of operation and maintenance of power transmission lines, in particular to a tool for quickly installing a down lead of a ground wire of a power transmission line.
Background
In the operation maintenance service of the power transmission line, the grounding resistance of the pole tower is required to be detected once in five years in the operation regulation, and in some special conditions, grounding bolts are required to be opened for measuring the grounding resistance after lightning tripping, the grounding wire is damaged by external force and welded again, and the grounding grid is excavated and checked.
After the grounding downlead is used for measuring the grounding resistance, the grounding downlead needs to be lifted, and the grounding downlead can be fixed only by aligning the grounding flat iron hole with the grounding downlead fixing bolt on the tower leg steel plate. In actual measurement, the phenomenon that part of tower grounding downleads sink back to the earth along with the time often appears in the operation in-process, leads to that grounding band iron and screw distance on the tower leg steel sheet are not enough after the grounding downlead is demolishd, leads to that the earth bolt can't install.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a quick installation tool for a down lead of a grounding wire of a power transmission line.
The technical scheme adopted by the utility model is as follows:
a quick installation tool for a down lead of a ground wire of a power transmission line comprises an operating rod, a lifting hook, a base adjusting screw rod and a base; the end socket of one end of the operating rod is rotatably connected with the bottom of the base adjusting screw rod, the base adjusting screw rod can swing by taking the end socket of the operating rod as a shaft, the top of the base adjusting screw rod is rotatably connected with the base, the base can rotate by taking the base adjusting screw rod as a shaft and can be clamped with the tower leg steel plate, the lifting hook can be slidably arranged on the operating rod and can hook the grounding flat iron of the grounding down lead; the operating rod forms a fixed end through the base adjusting screw rod and the base, the other end of the operating rod is pulled by external force, and the grounding flat iron which drives the down lead to move to the installation position relative to the tower leg steel plate through the lifting hook.
Furthermore, the operating rod is a strip plate body, a threaded hole is formed in the end of one end of the operating rod, and the bottom of the base adjusting screw rod is rotatably connected with the operating rod through the threaded hole.
Furthermore, base accommodate the lead screw comprises cylinder and threaded rod two parts, and the cylinder sets up with the threaded rod is coaxial, the one end and the threaded rod fixed connection or integrated into one piece of cylinder, and the other end of cylinder is equipped with the spread groove, and the end department of action bars inserts in the spread groove, through the screw hole and the cylinder bolted connection of its end department.
Further, the base is the U-shaped plate body of buckling, and the open-ended both sides of U-shaped plate body are formed with long cardboard and short cardboard, and the outside of long cardboard is equipped with two bolts, and the bolt can pass overlength cardboard and tower leg steel sheet butt, and the outside of short cardboard is equipped with threaded connection pipe, and the base passes through threaded connection pipe can with base accommodate the lead screw's threaded rod threaded connection, and uses the threaded rod to rotate as the axle.
Furthermore, the lifting hook is composed of a sliding connector, a left hook body and a right hook body, the sliding connector is in a rectangular block shape, a through hole with the same size as the cross section of the operating rod is formed in the sliding connector, and the sliding connector is slidably sleeved on the operating rod through the through hole; the left hook body and the right hook body are arranged on the outer side of the sliding connector and are symmetrically arranged, and a gap is reserved between the left hook body and the right hook body.
The utility model has the beneficial effects that:
in the tool for quickly installing the downlead of the ground wire of the power transmission line in the operation and maintenance service of the power transmission line, the operating rod forms a fixed end through the base adjusting screw rod and the base, the other end of the operating rod is pulled by external force, and the ground flat iron of the downlead is driven by the lifting hook to move to an installation position relative to the tower leg steel plate; convenient operation, can reduce the physical strength consumption of operators, improve the operating efficiency, and is light and labor-saving.
Drawings
Fig. 1 and 2 are schematic overall structures of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a schematic front view of the present invention;
in the drawings 1-4, 1-an operating rod, 2-a lifting hook, 3-a base adjusting screw rod, 4-a base, 5-a cylinder, 6-a threaded rod, 7-a connecting groove, 8-a long clamping plate, 9-a short clamping plate, 10-a bolt, 11-a threaded connecting pipe, 12-a sliding connector, 13-a left hook body and 14-a right hook body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
In the operation and maintenance service of the power transmission line, the current methods for grounding flat iron and quickly penetrating a grounding bolt mainly have the following two conditions:
because the transmission line pole tower is exposed in the field, and the soil around the tower footing is greatly influenced by external force, so in the ground resistance measurement process, the grounding flat iron and the grounding bolt on the tower leg steel plate have a dislocation phenomenon, and in order to install the grounding downlead, the grounding downlead needs to be lifted, and the grounding flat iron hole is aligned with the grounding downlead fixing bolt hole on the tower leg steel plate so as to fix the grounding downlead. If the situation 1 occurs in the operation maintenance service of the power transmission line, the installation is simpler, and the time consumption is less; if 2, the installation is more laborious and the time is longer.
In order to solve the occurrence condition 2, the utility model provides a quick installation tool for a grounding wire downlead of a power transmission line, which comprises an operating rod 1, a lifting hook 2, a base adjusting screw rod 3 and a base 4, as shown in fig. 1-4. The end department of 1 one end of action bars rotates with base accommodate the lead screw 3's bottom to be connected, and base accommodate the lead screw 3 can use the end of action bars 1 to swing as the axle, and its top rotates with base 4 to be connected, and base 4 can use base accommodate the lead screw 3 to rotate as the axle, and can with tower leg steel sheet joint, on lifting hook 2 can the gliding locating action bars 1, and can hook the ground connection band iron of ground connection downlead. The operating rod 1 forms a fixed end through the base adjusting screw rod 3 and the base 4, the other end of the operating rod is pulled by external force, and the grounding flat iron which drives the down lead through the lifting hook 2 moves to the installation position relative to the tower leg steel plate.
Specific structure of the operation lever 1:
the operating rod 1 is a strip-shaped plate body, the length of the operating rod is 500mm, the width of the operating rod is 35mm, and the thickness of the operating rod is 12 mm; after comparison of technical parameters such as tensile strength, yield strength, hardness and the like, aluminum alloy is selected for manufacturing. The end department of action bars 1 one end is equipped with the screw hole, and screw hole internal diameter 12mm, the bottom of base accommodate the lead screw 3 is connected with action bars 1 rotation through the screw hole.
The concrete structure of base accommodate the lead screw 3:
the base adjusting screw rod 3 is composed of a cylinder 5 and a threaded rod 6, the cylinder 5 and the threaded rod 6 are coaxially arranged, and aluminum alloy is selected for manufacturing after comparison of technical parameters such as tensile strength, yield strength and hardness. The length of the threaded rod 6 is 100mm, the diameter is 16mm, and one end of the cylinder 5 is fixedly connected with the threaded rod 6 or integrally formed; the other end of cylinder 5 is equipped with spread groove 7, and 7 opening degree of depth of spread groove 60mm, and the end department of action bars 1 inserts in spread groove 7, through the screw hole and the 5 bolted connection of cylinder of its end department.
Specific structure of the base 4:
the base 4 is a U-shaped plate body with the length of 320mm, the width of 40mm and the thickness of 14mm, wherein the aluminum alloy plate body is bent, and the width of the U-shaped opening is 30 mm. A long clamping plate 8 and a short clamping plate 9 are formed on two sides of the opening of the U-shaped plate body, two bolts 10 are arranged on the outer side of the long clamping plate 8, the inner diameter of each bolt 10 is 16mm, and the distance between the two bolts 10 is 50 mm; the bolt 10 can pass through the long clamping plate 8 to be abutted against the tower leg steel plate. The outside of short cardboard 9 is equipped with threaded connection pipe 11, and base 4 can be through threaded connection pipe 11 and 6 threaded connection of threaded rod of base accommodate the lead screw 3, and use threaded rod 6 to rotate as the axle.
The specific structure of the lifting hook 2 is as follows:
the lifting hook 2 is composed of a sliding connector 12, a left hook body 13 and a right hook body 14, and is made of aluminum alloy after comparison of technical parameters such as tensile strength, yield strength and hardness. The sliding connector 12 is in a rectangular block shape, a through hole with the same size as the cross section of the operating rod 1 is formed in the through hole, the wall thickness of the sliding connector 12 is 4mm, the length of the through hole is 36mm, the width of the through hole is 13mm, the sliding connector 12 is sleeved on the operating rod 1 in a sliding mode through the through hole, and a movable gap of 1mm is reserved. The left hook body 13 and the right hook body 14 are arranged outside the sliding connector 12 and symmetrically arranged, the length of the hook body of the left hook body 13 and the length of the hook body of the right hook body 14 are 50mm, the opening width of the hook body part is 20mm, the length of the hook body part is 20mm, and a gap is reserved between the left hook body 13 and the right hook body 14.
When this quick mounting tool of transmission line earth connection downlead used, at first rotated base 4, blocked tower leg steel sheet between long cardboard 8 and short cardboard 9 to two bolts 10 in the rotation long cardboard 8 outside make bolt 10 pass overlength cardboard 8 and tower leg steel sheet butt, and base 4 is fixed with tower leg steel sheet promptly this moment. Then, the sliding connector 12 of the lifting hook 2 is slid to the grounding flat iron of the ground down conductor, and the left hook body 13 and the right hook body 14 are used for hooking the grounding flat iron, so that the down conductor at the lower part of the grounding flat iron is positioned at the gap between the left hook body 13 and the right hook body 14. And finally, the other end of the operating rod 1 is operated and pulled upwards, the grounding flat iron of the down conductor and the down conductor are driven by the lifting hook 2 to move to the installation position relative to the tower leg steel plate, and the grounding bolt penetrates through the grounding bolt holes in the grounding flat iron and the tower leg steel plate to complete the installation of the grounding bolt.
In order to further verify the result of use of this quick mounting tool of transmission line earth connection downlead, still carry out actual test to the installation of hillock work station 500kV circuit earth connection, actual test is for adopting sharp spanner and crowbar and adopting this quick mounting tool of transmission line earth connection downlead to contrast, and the time spent is as follows:
therefore, the quick installation tool for the downlead of the ground wire of the power transmission line is convenient to operate, can reduce physical consumption of operators and improve the working efficiency in the operation maintenance business of the power transmission line, and is light and labor-saving.
Claims (5)
1. The utility model provides a quick mounting tool of transmission line earth connection downlead which characterized in that: the quick installation tool for the downlead of the grounding wire of the power transmission line comprises an operating rod, a lifting hook, a base adjusting screw rod and a base; the end socket of one end of the operating rod is rotatably connected with the bottom of the base adjusting screw rod, the base adjusting screw rod can swing by taking the end socket of the operating rod as a shaft, the top of the base adjusting screw rod is rotatably connected with the base, the base can rotate by taking the base adjusting screw rod as a shaft and can be clamped with the tower leg steel plate, the lifting hook can be slidably arranged on the operating rod and can hook the grounding flat iron of the grounding down lead; the operating rod forms a fixed end through the base adjusting screw rod and the base, the other end of the operating rod is pulled by external force, and the grounding flat iron which drives the down lead to move to the installation position relative to the tower leg steel plate through the lifting hook.
2. The quick mounting tool of transmission line earth connection downlead of claim 1 characterized in that: the operating rod is a strip plate body, a threaded hole is formed in the end of one end of the operating rod, and the bottom of the base adjusting screw rod is rotatably connected with the operating rod through the threaded hole.
3. The quick mounting tool of transmission line earth connection downlead of claim 2, characterized in that: the base adjusting screw rod is composed of a cylinder and a threaded rod, the cylinder and the threaded rod are coaxially arranged, one end of the cylinder is fixedly connected with the threaded rod or integrally formed, a connecting groove is formed in the other end of the cylinder, and the end of the operating rod is inserted into the connecting groove and is connected with the cylinder through a threaded hole in the end of the operating rod and a bolt.
4. The quick mounting tool of transmission line earth connection downlead of claim 3 characterized in that: the base is the U-shaped plate body of buckling, and the open-ended both sides of U-shaped plate body are formed with long cardboard and short cardboard, and the outside of long cardboard is equipped with two bolts, and the bolt can pass long cardboard and tower leg steel sheet butt, and the outside of short cardboard is equipped with threaded connection pipe, and the base passes through threaded connection pipe can with base accommodate the lead screw's threaded rod threaded connection, and uses the threaded rod to rotate as the axle.
5. The quick mounting tool of transmission line earth connection downlead of claim 1 characterized in that: the lifting hook is composed of a sliding connector, a left hook body and a right hook body, the sliding connector is in a rectangular block shape, a through hole with the same size as the cross section of the operating rod is formed in the sliding connector, and the sliding connector is slidably sleeved on the operating rod through the through hole; the left hook body and the right hook body are arranged on the outer side of the sliding connector and are symmetrically arranged, and a gap is reserved between the left hook body and the right hook body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121643513.6U CN215732608U (en) | 2021-07-20 | 2021-07-20 | Quick mounting tool of transmission line earth connection downlead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121643513.6U CN215732608U (en) | 2021-07-20 | 2021-07-20 | Quick mounting tool of transmission line earth connection downlead |
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| Publication Number | Publication Date |
|---|---|
| CN215732608U true CN215732608U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121643513.6U Active CN215732608U (en) | 2021-07-20 | 2021-07-20 | Quick mounting tool of transmission line earth connection downlead |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116646746A (en) * | 2023-07-26 | 2023-08-25 | 江苏昊天龙集团有限公司 | Communication tower ground connection downlead structure and communication tower |
-
2021
- 2021-07-20 CN CN202121643513.6U patent/CN215732608U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116646746A (en) * | 2023-07-26 | 2023-08-25 | 江苏昊天龙集团有限公司 | Communication tower ground connection downlead structure and communication tower |
| CN116646746B (en) * | 2023-07-26 | 2023-10-10 | 江苏昊天龙集团有限公司 | Communication tower ground connection downlead structure and communication tower |
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