CN218770930U - Automatic locking head-following pulley - Google Patents
Automatic locking head-following pulley Download PDFInfo
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- CN218770930U CN218770930U CN202223073846.7U CN202223073846U CN218770930U CN 218770930 U CN218770930 U CN 218770930U CN 202223073846 U CN202223073846 U CN 202223073846U CN 218770930 U CN218770930 U CN 218770930U
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- pulley
- pin shaft
- hook
- base
- clamping groove
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Abstract
An automatic locking follow pulley comprises a hook, a pulley, a pin shaft, a baffle plate and a return spring; the hook is composed of a base and a U-shaped hook above the base, the baffle is provided with a clamping groove, the pin shaft penetrates through the clamping groove and then is in through connection with two sides of the U-shaped hook, and the pin shaft is positioned inside two sides of the U-shaped hook and is rotatably connected with a first pulley; a fixing ring A is fixedly arranged at the end part of the pin shaft on one side of the U-shaped hook head, a fixing ring B is fixedly arranged on the baffle plate and positioned right above the clamping groove, and two ends of the reset spring are respectively connected with the fixing ring A and the fixing ring B in a hanging mode; the lower part of the base is connected with a pulley; the invention has the beneficial effects that: the maintenance tool is conveniently transmitted to a maintenance or live working place, the work of operators is facilitated, the physical consumption of high-altitude operators is reduced, time and labor are saved, the automatic locking heel tackle makes up the defect that the original heel tackle has potential safety hazards, and the safe and efficient development of maintenance and live working can be guaranteed.
Description
Technical Field
The utility model relates to an electric power construction tool technical field especially relates to an automatic shutting heel block.
Background
In recent years, along with the rapid development of the Qinghai electric wire netting, transmission line increases rapidly, and in order to guarantee the power supply reliability, transmission line overhauls live working and is indispensable, takes live working in-process with electricity and follows the head coaster as a tool commonly used, and the following coaster that uses in the past does not seal, thereby falls easily and takes place danger, has very big potential safety hazard.
Disclosure of Invention
To solve the problems posed in the background art described above; the utility model provides an automatic locking follow head pulley, which comprises a hook (1), a pulley (2), a pin shaft (3), a baffle (4), a reset spring (5) and a limit bolt (6); the structure is as follows: the hook (1) is composed of a base (101) and a U-shaped hook (102) above the base (101), a clamping groove (401) is formed in the baffle (4), the pin shaft (3) penetrates through the clamping groove (401) and then is connected with two sides of the U-shaped hook (102) in a penetrating mode, and a first pulley (106) is hinged to the pin shaft (3) and is located inside two sides of the U-shaped hook (102) in a rotating mode; the end part of the pin shaft (3) on one side of the hook head of the U-shaped hook (102) is fixedly provided with a fixing ring A (301), the baffle (4) is fixedly provided with a fixing ring B (402) right above the clamping groove (401), and two ends of the reset spring (5) are respectively connected with the fixing ring A (301) and the fixing ring B (402) in a hanging manner; the lower part of the base (101) is connected with the pulley (2), and a second pulley (203) is hinged in a U-shaped groove (201) of the pulley (2) in a rotating manner.
Furthermore, the pin shaft (3) penetrates into the clamping groove (401) and is sleeved with the limiting nut (302) and is connected with the two sides of the U-shaped hook (102) in a penetrating mode.
Furthermore, a screw hole (103) is formed in one side of the hook head of the U-shaped hook (102) and located right below the pin shaft (3), and the limiting bolt (6) penetrates through the clamping groove (401) to be in threaded connection with the screw hole (103).
Further, a pull ring (403) is arranged at the upper end of the baffle plate (4).
Further, the base (101) is of a triangular cavity structure, and a circular hole (104) is formed in the lower surface of the base; the pulley is characterized in that a lead screw (202) is fixedly connected to the upper surface of a U-shaped groove (201) in the pulley (2), and the lead screw (202) penetrates through a round hole (104) from the lower portion of the base (101) and is fixed through a fixing nut (105).
Furthermore, when the distance between the lower surface of the base (101) and the upper surface of the U-shaped groove (201) is 1-2mm, the fixing nut (105) and the screw rod (202) are welded and fixed.
The beneficial effects of the utility model reside in that: the multi-angle grounded point can be grounded at any angle or perpendicular to the ground all the time, the operation can be completed in a variable environment, the difficulty of actual operation is reduced, and the safety is improved.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a left side view of the present invention;
FIG. 3 is a schematic view of the hook of the present invention;
fig. 4 is a schematic view of the baffle of the present invention;
fig. 5 is an enlarged view of the utility model at a;
fig. 6 is a schematic view of the pin shaft of the present invention.
In the figure: 1. the device comprises a hook, a base 101, a base 102, a U-shaped hook 103, a screw hole 104, a round hole 105, a fixing nut 106 and a first pulley; 2. a pulley 201, a U-shaped groove 202, a screw rod 203 and a second pulley; 3. the pin shaft 301, the fixing ring A, 302 and the limiting nut; 4. a baffle 401, a clamping groove 402, fixing rings B and 403 and a pull ring; 5. A return spring; 6. and a limiting bolt.
Detailed Description
In the first embodiment, as shown in the figure, the automatic locking heel tackle comprises a hook (1), a tackle (2), a pin shaft (3), a baffle (4), a return spring (5) and a limiting bolt (6); the hook (1) is composed of a base (101) and a U-shaped hook (102) above the base (101), a clamping groove (401) is formed in the baffle (4), the pin shaft (3) penetrates through the clamping groove (401) and then is connected with the two sides of the U-shaped hook (102) in a penetrating mode, and a first pulley (106) is hinged to the pin shaft (3) and located inside the two sides of the U-shaped hook (102) in a rotating mode; a fixing ring A (301) is fixedly arranged at the end part of the pin shaft (3) on one side of the hook head of the U-shaped hook (102), a fixing ring B (402) is fixedly arranged on the baffle (4) and right above the clamping groove (401), and two ends of the reset spring (5) are respectively hooked with the fixing ring A (301) and the fixing ring B (402); the lower part of the base (101) is connected with the pulley (2), and a second pulley (203) is hinged in a U-shaped groove (201) of the pulley (2) in a rotating manner.
Round pin axle (3) penetrate draw-in groove (401) in and embolia stop nut (302), be connected with the both sides run-through of U type hook (102), when stop nut (302)'s effect had guaranteed the tip of round pin axle (3) to tighten lock nut (303), stop nut (302) and round pin axle (3) were equipped with solid fixed ring A (301) one end and have certain clearance, have guaranteed baffle (4) free activity from top to bottom.
A screw hole (103) is formed in one side of the hook head of the U-shaped hook (102) and is located right below the pin shaft (3), a limiting bolt (6) penetrates through a clamping groove (401) to be connected with the screw hole (103) in a threaded mode, and the design ensures that the baffle (4) can only vertically move up and down under the action of the pin shaft (3) and the limiting bolt (6).
The upper end of the baffle (4) is provided with a pull ring (403), and the design of the pull ring (403) is convenient for workers to hang the hook (1) on the ground line by using an operating rod or a manual mode.
The base (101) is of a triangular cavity structure, and a round hole (104) is formed in the lower surface of the base; the upper surface of a U-shaped groove (201) on the pulley (2) is fixedly connected with a screw rod (202), and the screw rod (202) penetrates into a round hole (104) from the lower part of the base (101) and is fixed through a fixing nut (105); when the distance between the lower surface of the base (101) and the upper surface of the U-shaped groove (201) is 1-2mm, the fixing nut (105) and the screw rod (202) are fixedly welded, so that the pulley 2 can rotate 360 degrees in the horizontal direction, and a ground worker can adjust the direction of the maintenance tool or equipment at any time when using the pulley 2 to hoist the maintenance tool or equipment, so that the maintenance tool or equipment can be conveniently taken by high-altitude workers.
The utility model discloses a principle and application method: in an electric power construction site, when the tool is used, an operator adopts a ground potential mode or a line power failure maintenance mode, the heel pulley is hung on the ground line in an operating rod or manual mode, and the heel pulley completes the locking of a seal by using a locking device; after the head pulley is slid to the position right above the maintenance operation point, the pulley on the pulley below is used for hoisting maintenance tools or equipment to the maintenance operation point through manpower.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. An automatic locking follow pulley comprises a hook (1), a pulley (2), a pin shaft (3), a baffle (4), a return spring (5) and a limit bolt (6); the method is characterized in that: the hook (1) is composed of a base (101) and a U-shaped hook (102) above the base (101), a clamping groove (401) is formed in the baffle (4), the pin shaft (3) penetrates through the clamping groove (401) and then is connected with two sides of the U-shaped hook (102) in a penetrating mode, and a first pulley (106) is hinged to the pin shaft (3) and is located inside two sides of the U-shaped hook (102) in a rotating mode; a fixing ring A (301) is fixedly arranged at the end part of the pin shaft (3) on one side of the hook head of the U-shaped hook (102), a fixing ring B (402) is fixedly arranged on the baffle (4) and right above the clamping groove (401), and two ends of the reset spring (5) are respectively hooked with the fixing ring A (301) and the fixing ring B (402); the lower part of the base (101) is connected with the pulley (2), and a second pulley (203) is hinged in a U-shaped groove (201) of the pulley (2) in a rotating manner.
2. An automatic locking heel block as claimed in claim 1, wherein: the pin shaft (3) penetrates into the clamping groove (401) and is sleeved into the limiting nut (302) and is connected with the two sides of the U-shaped hook (102) in a penetrating mode.
3. An automatic locking heel block as claimed in claim 2, wherein: and a screw hole (103) is formed in one side of the hook head of the U-shaped hook (102) and is positioned under the pin shaft (3), and the limiting bolt (6) penetrates through the clamping groove (401) to be in screw connection with the screw hole (103).
4. An automatic locking heel block as claimed in claim 1, wherein: and the upper end of the baffle (4) is provided with a pull ring (403).
5. An automatic locking heel block as claimed in claim 1, wherein: the base (101) is of a triangular cavity structure, and a round hole (104) is formed in the lower surface of the base; the pulley is characterized in that a lead screw (202) is fixedly connected to the upper surface of a U-shaped groove (201) in the pulley (2), and the lead screw (202) penetrates through a round hole (104) from the lower portion of the base (101) and is fixed through a fixing nut (105).
6. An automatic locking heel block as claimed in claim 5, wherein: when the distance between the lower surface of the base (101) and the upper surface of the U-shaped groove (201) is 1-2mm, the fixing nut (105) and the screw rod (202) are welded and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223073846.7U CN218770930U (en) | 2022-11-21 | 2022-11-21 | Automatic locking head-following pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223073846.7U CN218770930U (en) | 2022-11-21 | 2022-11-21 | Automatic locking head-following pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218770930U true CN218770930U (en) | 2023-03-28 |
Family
ID=85651994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223073846.7U Active CN218770930U (en) | 2022-11-21 | 2022-11-21 | Automatic locking head-following pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218770930U (en) |
-
2022
- 2022-11-21 CN CN202223073846.7U patent/CN218770930U/en active Active
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