CN216794013U - Push-pull type quick operation grounding rod - Google Patents
Push-pull type quick operation grounding rod Download PDFInfo
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- CN216794013U CN216794013U CN202220364076.2U CN202220364076U CN216794013U CN 216794013 U CN216794013 U CN 216794013U CN 202220364076 U CN202220364076 U CN 202220364076U CN 216794013 U CN216794013 U CN 216794013U
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Abstract
The utility model relates to a push-pull type quick operation grounding rod, which comprises a chuck mechanism and a hollow insulating operating rod, wherein the chuck mechanism is provided with a movable chuck, the movable chuck is rotatably connected with a slide rod, the other end of the slide rod extends into a cavity of the insulating operating rod and is connected with a spur rack A, the middle part of the cavity of the insulating operating rod is provided with an insulating block A, a gear is arranged in the insulating block A, two sides of the gear are provided with limiting through holes, the spur rack A penetrates through one of the limiting through holes and is meshed with the gear, a spur rack B meshed with the gear is arranged in the other limiting through hole, and one end of the spur rack B, which is far away from the fixed chuck, is connected with a locking mechanism; an insulating block B is arranged at the outer end of the cavity of the insulating operating rod, and a through hole is formed in the insulating block B; an insulating sleeve is sleeved outside the insulating operating rod, an insulating block C is arranged in the insulating sleeve, the insulating block C is fixedly connected with a connecting rod, and the connecting rod is connected with the spur rack B; the utility model is more convenient to operate, saves time and labor and improves the operation efficiency.
Description
Technical Field
The utility model relates to the field of electric power safety tools, in particular to a push-pull type quick operation grounding rod.
Background
When the high-voltage bus of the power system is in power failure for maintenance, the bus bar must be grounded. In the prior art, a plurality of grounding rod devices are available, in order to facilitate grounding operation of operators, wherein a main grounding rod structure is a rotary tightening type grounding rod which comprises a fixed chuck and a movable chuck, the lower end of the movable chuck is rotatably connected with a screw rod, and the lower end of the screw rod is connected with an insulating operating rod; in the operation process, firstly, the chuck is inserted into the bus bar, and then the movable chuck is driven to move by manually rotating the insulating operating rod, so that the bus bar is clamped; in the actual operation, because the chuck is not well mastered with the generating line row reservation clearance, the clearance undersize chuck inserts not into, and the too big chuck in clearance is little with generating line row frictional force, and the chuck is beaten when the handle is screwed up and is changeed, and twists the in-process earth connection slippage and arrange the generating line, and the operating arm is all twisted to ground connection every time and is had many rings, wastes time and difficultly and appear danger easily again.
Disclosure of Invention
The utility model aims to solve the problems that the conventional torsion type grounding rod is time-consuming and labor-consuming in operation and is easy to slip when an insulating rod is twisted, and provides a push-pull type quick operation grounding rod, so that a bus bar is quickly clamped, the working efficiency is improved, and time and labor are saved.
The specific scheme of the utility model is as follows: a push-pull type quick operation grounding rod comprises a fixed chuck, an opening is arranged on one side of the fixed chuck, a screw rod which is vertically arranged is arranged in the middle of the bottom end of the fixed chuck and is in threaded connection with the fixed chuck, an insulating operating rod is connected to the bottom of the screw rod, cavities are formed in the screw rod and the insulating operating rod, a sliding rod is arranged in the cavity of the screw rod, one end of the sliding rod, which faces towards the fixed chuck, extends out of the screw rod and is rotatably connected with a movable chuck, the other end of the sliding rod extends into the cavity of the insulating operating rod and is connected with a straight rack A, an insulating block A is arranged in the middle of the cavity of the insulating operating rod, a gear is arranged in the insulating block A, limiting through holes are formed in two sides of the gear, the straight rack A penetrates through one limiting through hole and is meshed with the gear, a straight rack B which is meshed with the gear is arranged in the other limiting through hole, and one end, which is far away from the fixed chuck, is connected with a locking mechanism, the locking mechanism is used for locking the spur rack B; an insulating block B is arranged at the outer end of the cavity of the insulating operating rod, and a through hole is formed in the insulating block B; an insulating sleeve is sleeved outside the insulating operating rod, an insulating block C is arranged in the insulating sleeve, the insulating block C is fixedly connected with a connecting rod, and the connecting rod penetrates through a through hole of the insulating block B and is connected with the straight rack B.
The locking mechanism adopts a pawl ratchet bar mechanism, the pawl ratchet bar mechanism comprises a ratchet bar, the ratchet bar is fixedly arranged between an insulating block A and an insulating block B, ratchets of the ratchet bar incline towards the direction of the insulating block B, a sliding support is arranged on the ratchet bar in a sliding manner, one end of the sliding support is connected with a straight rack B, a pawl is rotatably connected in the sliding support through a pin shaft, and a torsion spring is arranged on the pawl and used for pressing the pawl into the ratchets of the ratchet bar; the other end of the sliding support is slidably provided with a wedge-shaped support, the middle of the wedge-shaped support is provided with a long-strip-shaped through hole, the pin shaft penetrates through the long-strip-shaped through hole, the two sides of the front end of the pawl are provided with connecting shafts, the front end of the wedge-shaped support is provided with an inclined plane matched with the connecting shafts, and the rear end of the wedge-shaped support is connected with the connecting rod.
The inclined plane and the length direction of the ratchet strip form an included angle of 30-50 degrees.
The fixing chuck comprises a first L-shaped fixing frame and a second L-shaped fixing frame, wherein the first L-shaped fixing frame and the second L-shaped fixing frame are reversely assembled into a Contraband shape, a waist-shaped through hole is formed in the first L-shaped fixing frame, two locking bolts are arranged on the second L-shaped fixing frame corresponding to the waist-shaped through hole, and the overlapping part of the first L-shaped fixing frame and the second L-shaped fixing frame is fixedly connected through the locking bolts.
The outer end face of the first L-shaped fixing frame is provided with an L-shaped adjusting support, the L-shaped adjusting support is provided with a waist-shaped through hole, two locking bolts are arranged at the waist-shaped through hole corresponding to the L-shaped adjusting support on the first L-shaped fixing frame, and the L-shaped adjusting support is connected with the first L-shaped fixing frame through the locking bolts.
A limiting slide way is arranged on the inner side of the second L-shaped fixing frame, and a limiting groove matched with the limiting slide way is arranged at one end of the movable chuck.
A limiting block is arranged at one end, connected with a screw rod, of a cavity of the insulating operating rod, a spur rack A and a sliding rod are eccentrically arranged so as to be blocked by the limiting block, and the maximum stroke of the spur rack A is 10-15 cm.
The working process of the utility model is as follows: firstly, adjusting an opening between a first L-shaped fixing frame and a second L-shaped fixing frame according to the thickness and the width of a bus bar, and adjusting the position of an L-shaped adjusting bracket; then, an insulating sleeve is held by hand to hang the upper end chuck on the bus bar, then the insulating sleeve is pulled downwards, the insulating sleeve drives a spur rack B through an insulating block C, a connecting rod and a sliding support, the spur rack B drives a gear to rotate so as to drive a spur rack A to move upwards, and the spur rack A drives a movable chuck to directly move upwards through a sliding rod to be attached to the bottom end of the bus bar so as to realize pre-clamping; then the insulating sleeve is twisted to drive the insulating operating rod, the screw rod and the sliding rod to rotate, and the movable chuck is driven to further move upwards for a small distance under the action of the threads to completely clamp the busbar;
in the process that the insulating sleeve is pulled downwards, the pawl automatically slides downwards along the ratchet strip, after the bus bar is completely clamped, the reaction force applied by the bus bar to the movable chuck is transmitted to the straight rack B, so that the straight rack B pulls the sliding support and the pawl to have the trend of moving upwards, and the pressure between the pawl and the ratchet is extremely high, so that the pawl is tightly attached to the ratchet of the ratchet strip; at this moment, the insulating sleeve is manually pushed upwards to jack the pawl open through the wedge-shaped support, and the risk that the movable chuck is loosened due to accidental touch of the insulating sleeve in the working process is avoided.
When the grounding rod is disassembled, the insulation sleeve needs to be twisted reversely at first, so that the bus bar can unload reverse acting force of the movable chuck, then the insulation sleeve is pushed upwards, the insulation sleeve pushes the wedge-shaped support to slide upwards through the insulation block C and the connecting rod, along with the lengthening of the sliding distance, the front end inclined plane of the wedge-shaped support naturally jacks a connecting shaft on the pawl to drive the pawl to be separated from the ratchet, the insulation sleeve is continuously pushed upwards to drive the straight rack B to move upwards, the straight rack B drives the straight rack A, the sliding rod and the movable chuck to move downwards through the gear, and the movable chuck is rapidly separated from the bus bar.
Compared with the prior art, the utility model has the following advantages: the movable chuck is driven to move up and down by pushing and pulling the insulating sleeve, the number of turns of the twisted insulating operating rod is greatly reduced, and the operating time of each grounding operation is shortened; the clamping bus bar can be automatically locked after being twisted, so that the safety accident caused by loosening of the movable chuck due to mistaken touch of the insulating operating rod is avoided.
Drawings
FIG. 1 is a perspective view a of the present invention;
FIG. 2 is a perspective view b of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a view A-A of FIG. 3;
FIG. 5 is a perspective view of the pawl-ratchet mechanism of the present invention;
FIG. 6 is a top view of FIG. 5;
FIG. 7 is a view B-B of FIG. 6;
FIG. 8 is a view C-C of FIG. 6;
in the figure: 1-an insulating sleeve, 2-an insulating operating rod, 3-a screw rod, 41-a second L-shaped fixed frame, 42-a movable chuck, 43-a first L-shaped fixed frame, 44-a locking bolt, 45-an L-shaped adjusting bracket, 46-a limiting slideway, 5-an insulating block C, 6-an insulating block B, 7-an insulating block A, 8-a limiting block, 9-a sliding rod, 10-a straight rack A, 11-a straight rack B, 12-a gear, 13-a ratchet, 14-a sliding bracket, 15-a pawl, 16-a wedge bracket, 17-a connecting rod, 18-a connecting shaft and 19-an elastic steel wire.
Detailed Description
Example one
Referring to fig. 1-4, the embodiment is a push-pull type fast operating ground rod, which includes a fixed chuck, an opening is provided at one side of the fixed chuck, a screw rod 3 arranged in a vertical direction is installed at the middle of the bottom end of the fixed chuck, the screw rod 3 is in threaded connection with the fixed chuck, an insulating operating rod 2 is connected to the bottom of the screw rod 3, cavities are provided in both the screw rod 3 and the insulating operating rod 2, a slide rod 9 is provided in the cavity of the screw rod 3, one end of the slide rod 9 facing the fixed chuck extends out of the screw rod 3 and is rotatably connected with a movable chuck 42, the other end of the slide rod 9 extends into the cavity of the insulating operating rod 2 and is connected with a spur rack a10, an insulating block a7 is installed at the middle of the cavity of the insulating operating rod 2, a gear 12 is installed in the insulating block a7, limiting through holes are provided at both sides of the gear 12, the spur rack a10 penetrates one limiting through hole and is engaged with the gear 12, a spur rack B11 engaged with the gear 12 is installed in the other limiting through hole, one end of the spur rack B11, which is far away from the fixed chuck, is connected with a locking mechanism, and the locking mechanism is used for locking the spur rack B11; the outer end of the cavity of the insulating operating rod 2 is provided with an insulating block B6, and a through hole is arranged in an insulating block B6; an insulating sleeve 1 is sleeved outside the insulating operating rod 2, an insulating block C5 is arranged in the insulating sleeve 1, the insulating block C5 is fixedly connected with a connecting rod 17, and the connecting rod 17 penetrates through a through hole of the insulating block B6 and is connected with a spur rack B11.
Referring to fig. 5-8, the locking mechanism of the present embodiment employs a pawl-ratchet mechanism, the pawl-ratchet mechanism includes a ratchet 13, the ratchet 13 is fixedly installed between an insulation block a7 and an insulation block B6, the ratchet of the ratchet 13 inclines toward the insulation block B6, a sliding support 14 is slidably installed on the ratchet 13, one end of the sliding support 14 is connected with a spur rack B11, a pawl 15 is rotatably connected in the sliding support 14 through a pin shaft, and a torsion spring is installed on the pawl 15 for pressing the pawl 15 into the ratchet of the ratchet 13; the other end of the sliding support 14 is provided with a wedge-shaped support 16 in a sliding mode, the middle of the wedge-shaped support 16 is provided with a long-strip-shaped through hole, the pin shaft penetrates through the long-strip-shaped through hole, two sides of the front end of the pawl 15 are provided with connecting shafts 18, the front end of the wedge-shaped support 16 is provided with an inclined plane matched with the connecting shafts 18, and the rear end of the wedge-shaped support 16 is connected with the connecting rod 17.
In this embodiment, the inclined plane and the length direction of the ratchet 13 form an included angle of 30 ° (which can be selected within a range of 30 ° -50 °), and the length of the elongated through hole is related to the inclination of the inclined plane, so as to ensure that the wedge-shaped bracket 16 can jack up the pawl 15, and the inclined plane is set to a proper angle, so that the wedge-shaped bracket 16 cannot jack up the pawl 15 easily when the movable chuck 42 is tightly jacked by the busbar, and the wedge-shaped bracket 16 can jack up the pawl 15 easily after the movable chuck 42 is released.
The fixing chuck in this embodiment includes a first L-shaped fixing frame 43 and a second L-shaped fixing frame 41, the first L-shaped fixing frame 43 and the second L-shaped fixing frame 41 are reversely assembled into Contraband shapes, a waist-shaped through hole is formed in the first L-shaped fixing frame 43, two locking bolts 44 are installed on the second L-shaped fixing frame 41 corresponding to the waist-shaped through hole, and the overlapping portion of the first L-shaped fixing frame 43 and the second L-shaped fixing frame 41 is fixedly connected through the locking bolts 44.
In this embodiment, an L-shaped adjusting bracket 45 is installed on the outer end surface of the first L-shaped fixing bracket 43, a waist-shaped through hole is formed in the L-shaped adjusting bracket 45, two locking bolts 44 are installed at the waist-shaped through hole corresponding to the L-shaped adjusting bracket 45 on the first L-shaped fixing bracket 43, and the L-shaped adjusting bracket 45 is connected with the first L-shaped fixing bracket 43 through the locking bolts 44.
In this embodiment, a limiting slide 46 is disposed on an inner side of the second L-shaped fixing frame 41, and a limiting groove matched with the limiting slide 46 is disposed at one end of the movable chuck 42.
In the embodiment, a limiting block 8 is installed at one end of the cavity of the insulating operating rod 2 connected with the screw rod 3, the spur rack a10 and the sliding rod 9 are eccentrically arranged so as to be blocked by the limiting block 8, and the maximum stroke of the spur rack a10 is 10cm (the maximum stroke is designed according to the width of a common bus bar, and the maximum stroke can be selected within the range of 10-15cm in the embodiment).
Example two
The present embodiment has substantially the same structure as the embodiment except that an elastic wire 19 is installed on the ratchet 15, and the elastic wire 19 functions as a torsion spring for pressing the ratchet 15 in the ratchet direction.
Claims (7)
1. Plug-type quick operation earth bar, including fixed chuck, fixed chuck one side is equipped with the opening, and fixed chuck bottom middle part is equipped with the screw rod that a vertical direction was arranged, screw rod and fixed chuck threaded connection, the screw rod bottom is connected with an insulating bar, characterized by: cavities are formed in the screw and the insulating operating rod, a sliding rod is arranged in the cavity of the screw, one end, facing the fixed chuck, of the sliding rod extends out of the screw and is rotatably connected with the movable chuck, the other end of the sliding rod extends into the cavity of the insulating operating rod and is connected with a straight rack A, an insulating block A is arranged in the middle of the cavity of the insulating operating rod, a gear is arranged in the insulating block A, limiting through holes are formed in two sides of the gear, the straight rack A penetrates through one of the limiting through holes and is meshed with the gear, a straight rack B meshed with the gear is arranged in the other limiting through hole, one end, far away from the fixed chuck, of the straight rack B is connected with a locking mechanism, and the locking mechanism is used for locking the straight rack B; an insulating block B is arranged at the outer end of the cavity of the insulating operating rod, and a through hole is formed in the insulating block B; an insulating sleeve is sleeved outside the insulating operating rod, an insulating block C is arranged in the insulating sleeve, the insulating block C is fixedly connected with a connecting rod, and the connecting rod penetrates through a through hole of the insulating block B and is connected with the spur rack B.
2. A push-pull quick action ground rod according to claim 1, further comprising: the locking mechanism adopts a pawl ratchet bar mechanism, the pawl ratchet bar mechanism comprises a ratchet bar, the ratchet bar is fixedly arranged between an insulating block A and an insulating block B, the ratchet of the ratchet bar inclines towards the direction of the insulating block B, a sliding support is arranged on the ratchet bar in a sliding manner, one end of the sliding support is connected with a straight rack B, a pawl is rotatably connected in the sliding support through a pin shaft, and a torsion spring is arranged on the pawl and used for pressing the pawl into the ratchet of the ratchet bar; the other end of the sliding support is slidably provided with a wedge-shaped support, the middle of the wedge-shaped support is provided with a long-strip-shaped through hole, the pin shaft penetrates through the long-strip-shaped through hole, the two sides of the front end of the pawl are provided with connecting shafts, the front end of the wedge-shaped support is provided with an inclined plane matched with the connecting shafts, and the rear end of the wedge-shaped support is connected with the connecting rod.
3. A push-pull quick action ground rod according to claim 2, further comprising: the inclined plane and the length direction of the ratchet strip form an included angle of 30-50 degrees.
4. A push-pull quick action ground rod according to claim 1, further comprising: the fixed chuck comprises a first L-shaped fixing frame and a second L-shaped fixing frame, the first L-shaped fixing frame and the second L-shaped fixing frame are reversely assembled into a Contraband shape, a waist-shaped through hole is formed in the first L-shaped fixing frame, two locking bolts are arranged on the second L-shaped fixing frame corresponding to the waist-shaped through hole, and the overlapping position of the first L-shaped fixing frame and the second L-shaped fixing frame is fixedly connected through the locking bolts.
5. A push-pull quick action ground rod according to claim 4, further comprising: the outer end face of the first L-shaped fixing frame is provided with an L-shaped adjusting support, the L-shaped adjusting support is provided with a waist-shaped through hole, two locking bolts are arranged at the waist-shaped through hole corresponding to the L-shaped adjusting support on the first L-shaped fixing frame, and the L-shaped adjusting support is connected with the first L-shaped fixing frame through the locking bolts.
6. A push-pull quick action ground rod according to claim 4, further comprising: the inner side of the second L-shaped fixing frame is provided with a limiting slide way, and one end of the movable chuck is provided with a limiting groove matched with the limiting slide way.
7. A push-pull quick action ground rod according to claim 1, further comprising: a limiting block is arranged at one end, connected with the screw rod, of the insulating operating rod cavity, the straight rack A and the sliding rod are eccentrically arranged so as to be blocked by the limiting block, and the maximum stroke of the straight rack A is 10-15 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220364076.2U CN216794013U (en) | 2022-02-23 | 2022-02-23 | Push-pull type quick operation grounding rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220364076.2U CN216794013U (en) | 2022-02-23 | 2022-02-23 | Push-pull type quick operation grounding rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216794013U true CN216794013U (en) | 2022-06-21 |
Family
ID=82017180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220364076.2U Active CN216794013U (en) | 2022-02-23 | 2022-02-23 | Push-pull type quick operation grounding rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216794013U (en) |
-
2022
- 2022-02-23 CN CN202220364076.2U patent/CN216794013U/en active Active
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