CN213460837U - 10kV cubical switchboard electricity test dolly - Google Patents
10kV cubical switchboard electricity test dolly Download PDFInfo
- Publication number
- CN213460837U CN213460837U CN202022471292.0U CN202022471292U CN213460837U CN 213460837 U CN213460837 U CN 213460837U CN 202022471292 U CN202022471292 U CN 202022471292U CN 213460837 U CN213460837 U CN 213460837U
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- frame
- cubical switchboard
- opening
- electricity inspection
- inspection dolly
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- 230000005611 electricity Effects 0.000 title claims abstract description 38
- 238000012360 testing method Methods 0.000 title abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000002955 isolation Methods 0.000 claims abstract description 14
- 210000001503 joint Anatomy 0.000 claims abstract description 3
- 238000003780 insertion Methods 0.000 claims description 13
- 230000037431 insertion Effects 0.000 claims description 13
- 238000007689 inspection Methods 0.000 claims description 12
- 230000004888 barrier function Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000003068 static effect Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 206010014357 Electric shock Diseases 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a 10kV cubical switchboard electricity testing trolley, including the frame, install in the isolation baffle opening mechanism of the frame front end left and right sides, install in a plurality of gyro wheels of the frame left and right sides, install in the operating handle of frame rear end and drive frame and carry out width regulation's accent width mechanism, the frame includes left frame and right frame, but is equipped with inserted bar portion and jack portion that the horizontal slip cup jointed in the butt joint department of left frame and right frame, isolation baffle opening mechanism includes that the bisymmetry is installed in the backplate on left frame front end left side and right frame front end right side and rotates and install the arm of opening on each backplate, opens on opening the arm and has the locating hole, is equipped with a plurality of reference columns that correspond the arrangement with the locating hole on the backplate, opens the arm and through with different reference column cooperation angularly adjustable locking be located the backplate. The utility model discloses can open the last division shield in the cubical switchboard alone or division shield down, greatly improve the operational safety.
Description
Technical Field
The utility model relates to an electric power system field especially relates to a 10kV cubical switchboard electricity inspection dolly.
Background
The high-voltage switch cabinet is used for power generation, power transmission, power distribution, electric energy conversion and consumption of an electric power system and plays roles of on-off, control or protection and the like. When places such as a transformer substation or a distribution box need to be powered off for work, the personal safety of workers is ensured by arranging a grounding wire in a high-voltage switch cabinet, and the installation point needs to be proved to be voltage-free before the grounding wire is arranged. As shown in chinese patent with an issued publication number of CN206364419U, the existing 10kV switchgear electricity inspection trolley mainly includes a frame, a pushing plate, wheels, and a handle, wherein a vertical shaft of the pushing plate is provided with a gear, two racks, and a width adjustment handle for rotating the gear.
Through long-term use practice, the following problems commonly exist in the current electricity testing trolleys:
1. the existing structure can only realize the width adjustment of the electricity testing trolley, namely, the redundant configuration can only be met, the opening direction of the propulsion plate cannot be independently selected, and the risk of electric shock and short circuit exists during electricity testing.
2. The structure is complicated, the weight is heavier, and the carrying operation is not facilitated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's weak point, provide one kind can satisfy not unidimensional cubical switchboard test the electric demand, can improve again and test electric safety to the 10kV cubical switchboard of convenient transport tests electric dolly.
The utility model provides an electricity testing trolley for 10kV switch cabinets, which comprises a trolley frame, isolation baffle plate opening mechanisms arranged on the left side and the right side of the front end of the trolley frame, a plurality of rollers arranged on the left side and the right side of the trolley frame, an operating handle arranged on the rear end of the trolley frame and a width adjusting mechanism for driving the trolley frame to adjust the width, wherein the trolley frame comprises a left frame and a right frame, an inserted rod part and an inserted hole part which can be sleeved in a left-right sliding way are arranged at the butt joint part of the left frame and the right frame, the isolation baffle plate opening mechanisms comprise a back plate which is symmetrically arranged on the left side of the front end of the left frame and the right side of the front end of the right frame and an opening arm which is rotatably arranged on each back plate, a plurality of positioning columns which are arranged corresponding to the positioning holes are arranged on the back plate, the opening arms are locked and positioned on the back, the gear shaft is rotatably hinged to the left frame along the front-back direction of the frame, the rack is connected to the right frame along the left-right direction of the frame, and the gear shaft rotates to drive the left frame to move left and right to adjust the width of the frame.
For stability, the operating handles are two and are symmetrically arranged at the front ends of the left frame and the right frame.
In order to increase the stability, the racks are arranged in parallel in front of and behind.
In order to prevent the inserted bar part from being separated from the inserting hole part, a strip-shaped groove arranged along the left and right directions of the frame is arranged on the right frame at the position corresponding to the inserting hole part, and a limiting pin detachably connected with the right end of the inserted bar part is arranged in the strip-shaped groove.
In order to prevent the inserted link part from being separated from the inserted hole part, a limiting chain is connected between the left frame and the right frame.
For the isolation barrier who prevents in the damage cubical switchboard, open the arm and include the straightway in the middle of and the segmental arc at both ends, the segmental arc is the upwarp form.
The opening arm is rotatably arranged on the back plate through a rotating shaft, two positioning holes are formed in the opening arm in a centrosymmetric mode, and four positioning columns are arranged on the back plate in a rectangular mode by taking the rotating shaft as the center.
The distance between two adjacent positioning columns in the horizontal direction is 12cm, and the distance between two adjacent positioning columns in the plumb direction is 8 cm.
For the convenience of operation, the end part of the gear shaft is provided with a cylindrical jack which is convenient to be matched with the inner angle wrench.
For the location installation of the rack, the rigid coupling has two direction mounting grooves of arranging along the frame left and right direction on the frame of the right side, and the direction mounting groove is arranged with the rack one to one, and the rack welds on the direction mounting groove.
The utility model discloses the accessible is adjusted and is opened the location direction of arm, opens upper isolation baffle or lower isolation baffle in the cubical switchboard alone, when testing electricity and installing the earth connection, makes the upper isolation baffle or lower isolation baffle of electrified end be in the enclosed state, has solved the electric shock risk that most old-fashioned electricity testing dolly exists when testing electricity and installing the earth connection, has greatly improved operation safety, can effectively guarantee the safety of person, electric wire netting, equipment; the frame is formed by connecting the left frame and the right frame, compared with the existing integral frame, the design is more portable, the carrying by operators is convenient, the electricity testing is completed quickly and safely, the switching operation efficiency is effectively improved, and the carrying by the operators is more portable and convenient; adopt sliding connection between left side frame and the right frame, can change the width of frame through transferring wide mechanism, single alright examine the electricity to different cubical switchboard of transformer substation, reduce the operation maintenance cost.
Drawings
Fig. 1 is a schematic view of the structure of the utility model including a limit pin.
Fig. 2 is a schematic view of the structure in the direction a in fig. 1.
Fig. 3 is a schematic view of a part of the enlarged structure in the direction B of fig. 1.
Fig. 4 is a schematic structural view of the present invention including a chain limiting mechanism.
The labels shown in the figures and the corresponding component names are:
1. a frame; 11. a left frame; 12. a right frame; 13. a plug-in section; 14. a socket portion; 15. a guide mounting groove; 16. a strip-shaped groove;
2. an isolation barrier opening mechanism; 21. a back plate; 22. an opening arm; 23. a rotating shaft; 211. a positioning column; 221. positioning holes; 222. a straight line segment; 223. an arc-shaped section;
3. a roller;
4. an operating handle;
5. a width adjusting mechanism; 51. a gear shaft; 52. a rack; 511. a cylindrical jack;
6. a spacing pin;
7. and a limiting chain.
Detailed Description
Example one
As can be seen from fig. 1 to 3, the 10kV switch cabinet electricity testing trolley in the embodiment comprises a trolley frame 1, an isolation baffle opening mechanism 2, a roller 3, an operating handle 4 and a width adjusting mechanism 5,
the frame 1 comprises a left frame 11 and a right frame 12, the left frame 11 is in a shape of Chinese character 'ji', the right frame 12 is in a shape of Chinese character 'ji', two insertion rod parts 13 which are arranged in parallel front and back are welded on the right end surface of the left frame 11, an insertion hole part 14 which is sleeved with the insertion rod parts 13 in a one-to-one clearance way is arranged on the left end surface of the right frame 12, the left frame 11 is connected with the right frame 12 in a left-right sliding way through the insertion connection of the insertion rod parts 13 and the insertion hole parts 14 in an insertion matching,
the isolation baffle opening mechanism 2 comprises two back plates 21 and two opening arms 22, the two back plates 21 are respectively welded on the left side of the front end of the left frame 11 and the right side of the front end of the right frame 12 symmetrically, the opening arms 22 are installed on each back plate 21 in a one-to-one rotating mode through rotating shafts 23, each opening arm 22 comprises a middle straight line section 222 and arc sections 223 at two ends, the two arc sections are both in an upwarping mode, the straight line section 222 of each opening arm 22 is symmetrically provided with two positioning holes 221 by taking the rotating shaft 23 as a center, four positioning columns 211 are distributed on each back plate 21 in a rectangular mode by taking the rotating shaft 23 as a center, the distance between every two positioning columns 211 which are horizontally adjacent is 12cm, the distance between every two positioning columns 211 which are plumb-oriented to be adjacent is 8cm, the two positioning columns 211 which are obliquely arranged are arranged in one-to-one correspondence to the two positioning holes 221, and the opening,
four rollers 3 are arranged, four rollers 3 are arranged on the left side of the left frame 11 and the right side of the right frame 12 in pairs,
the operating handle 4 has two and is symmetrically welded to the front ends of the left and right frames 11 and 12,
the width adjusting mechanism 5 comprises a gear shaft 51 and two racks 52 meshed and connected with the gear shaft 51, the gear shaft 51 is rotatably hinged on the left frame 11 along the front-rear direction of the frame 1, and a cylindrical insertion hole 511 convenient for being matched with an inner angle wrench is formed in the front end face of the gear shaft 51; the racks 52 are installed on the right frame 12 along the left-right direction of the vehicle frame 1, the two racks 52 are arranged on the right frame 12 in parallel front and back, and the gear shaft 51 rotates to drive the left frame 11 to move left and right on the left side of the right frame 12 to adjust the width of the vehicle frame 1.
As can be seen from fig. 1, a strip-shaped groove 16 arranged along the left-right direction of the vehicle frame 1 is arranged on the right frame 12 corresponding to the jack portion 14, a limit pin 6 detachably connected with the right end of the jack portion 11 is arranged in the strip-shaped groove 16, and the jack portion 11 can be prevented from sliding out of the jack portion 14 under the blocking action of the limit pin 6.
As can be seen from fig. 1, two stainless steel guide mounting grooves 15 arranged along the left and right directions of the vehicle frame 1 are welded on the right frame 12, the cross section of each guide mounting groove 15 is concave, the length of the concave part of each guide mounting groove 15 is 25cm, the depth of each guide mounting groove is 1.5cm, the width of each guide mounting groove is 2cm, the total length of each guide mounting groove 15 is 10cm, the width of each guide mounting groove is 3cm, the height of each guide mounting groove 15 is 3cm, the guide mounting grooves 15 and the racks 52 are arranged in a one-to-one manner.
In the embodiment, the left frame 11 and the right frame 12 are both formed by welding stainless steel, the thickness of the steel is 0.1cm, the interior of the steel is hollow, the length of the two frames is 60cm, the width adjustment range of the frame 1 formed by splicing the left frame 11 and the right frame 12 is 80-100 cm, and the height of the two frames is 4 cm; the plug part 13 is of a stainless steel square steel structure, and is 35cm in length, 3.9cm in height and 3.9cm in width.
In the present embodiment, the back sheet 21 has a length of 15cm, a height of 15cm and a thickness of 0.1 cm.
In this embodiment, the rollers 3 are made of polyethylene, the front distance between two rollers 3 on the same frame is 55cm, and the diameter and width of the rollers 3 are 3.5cm and 2.5cm, respectively.
In this embodiment, the width of the operating handle 4 is 8cm, and the distance between the two operating handles 4 is 50 cm.
In this embodiment, the rack 52 is made of stainless steel, and has a width of 3cm, a thickness of 3cm, a length of 35cm, a tooth width of 2cm, and a tooth thickness of 2 cm.
In this embodiment, the straight section 222 of the opening arm 22 is 12cm long, and the arc section 223 of the opening arm 22 is 4cm long and has a radius of curvature of 8 cm.
The assembly process for carrying out static contact electricity testing on the main switch cabinet by using the embodiment is as follows:
1. the inner angle wrench acts on the cylindrical insertion hole 511, the gear shaft 51 is rotated, the gear on the gear shaft 51 moves on the rack 52, and the width of the frame 1 is adjusted to be 100 cm;
2. the opening arm 22 is rotated to enable the positioning hole 221 on the opening arm 22 to be coaxially arranged with the positioning column 211 at the position of the first letter in fig. 4, the opening arm 22 is fixed on the back plate 21 through the positioning column 211 at the position of the first letter in fig. 4, the nut is screwed on the rotating shaft 23 to prevent the opening arm 22 from being separated from the positioning column 211, and therefore the static contact electricity testing device can be used for static contact electricity testing on the main switch cabinet.
The assembly process for testing the lower static contact of the main switch cabinet by using the embodiment is as follows:
1. the inner angle wrench acts on the cylindrical insertion hole 511, the gear shaft 51 is rotated, the gear on the gear shaft 51 moves on the rack 52, and the width of the frame 1 is adjusted to be 100 cm;
2. the opening arm 22 is rotated to enable the positioning hole 221 on the opening arm 22 to be coaxially arranged with the positioning column 211 at the position No. 2 in fig. 4, the opening arm 22 is fixed on the back plate 21 through the positioning column 211 at the position No. 2 in fig. 4, the nut is screwed on the rotating shaft 23 to prevent the opening arm 22 from being separated from the positioning column 211, and therefore the static contact electricity testing device can be used for static contact electricity testing on the main switch cabinet.
The assembly process of using this embodiment to test the electricity of the upper cabinet door of the line switch is as follows:
1. the inner angle wrench acts on the cylindrical insertion hole 511, the gear shaft 51 is rotated, the gear on the gear shaft 51 moves on the rack 52, and the width of the frame 1 is adjusted to 80 cm;
2. the opening arm 22 is rotated to enable the positioning hole 221 on the opening arm 22 to be coaxially arranged with the positioning column 211 at the position of the first letter in fig. 4, the opening arm 22 is fixed on the back plate 21 through the positioning column 211 at the position of the first letter in fig. 4, the nut is screwed on the rotating shaft 23 to prevent the opening arm 22 from being separated from the positioning column 211, and therefore the static contact electricity testing device can be used for static contact electricity testing on the main switch cabinet.
The assembly process of using this embodiment to test the electricity of line switch lower cabinet door is as follows:
1. the inner angle wrench acts on the cylindrical insertion hole 511, the gear shaft 51 is rotated, the gear on the gear shaft 51 moves on the rack 52, and the width of the frame 1 is adjusted to 80 cm;
2. the opening arm 22 is rotated to enable the positioning hole 221 on the opening arm 22 to be coaxially arranged with the positioning column 211 at the position No. 2 in fig. 4, the opening arm 22 is fixed on the back plate 21 through the positioning column 211 at the position No. 2 in fig. 4, the nut is screwed on the rotating shaft 23 to prevent the opening arm 22 from being separated from the positioning column 211, and therefore the static contact electricity testing device can be used for static contact electricity testing on the main switch cabinet.
Example two
As shown in fig. 4, the present embodiment is different from the first embodiment in that a limiting chain 7 is connected between the left frame 11 and the right frame 12, and the pin portion 11 is prevented from sliding out of the socket portion 14 by a pulling force of the limiting chain 7.
The utility model discloses with the function integration of current multiple electricity dolly of testing, single alright test the electricity to all cubical switchboard in the transformer substation, consider the redundant configuration problem, every station only needs to dispose two, the configuration quantity that has significantly reduced can effectively reduce the operation maintenance cost.
Claims (10)
1. The utility model provides a 10kV cubical switchboard electricity inspection dolly, includes frame (1), installs in the isolation barrier opening mechanism (2) of the frame front end left and right sides, installs in a plurality of gyro wheels (3) of the frame left and right sides, installs in the operating handle (4) of frame rear end and drive frame and carries out width regulation's accent wide mechanism (5), its characterized in that: the frame comprises a left frame (11) and a right frame (12), an inserted rod part (13) and an inserting hole part (14) which can be sleeved in a left-right sliding way are arranged at the butt joint of the left frame and the right frame, the isolation baffle plate opening mechanism comprises two back plates (21) which are symmetrically arranged on the left side of the front end of the left frame and the right side of the front end of the right frame and opening arms (22) which are rotatably arranged on the back plates, the opening arm is provided with a positioning hole (221), the back plate is provided with a plurality of positioning columns (211) which are arranged corresponding to the positioning hole, the opening arm is positioned on the back plate through locking with adjustable matching angles with different positioning columns, the width adjusting mechanism comprises a gear shaft (51) and a rack (52) which are meshed with each other, the gear shaft is rotatably hinged to the left frame along the front-back direction of the frame, the rack is connected to the right frame along the left-right direction of the frame, and the gear shaft rotates to drive the left frame to move left and right to adjust the width of the frame.
2. The 10kV cubical switchboard electricity inspection dolly of claim 1 characterized in that: the operating handles are two and are symmetrically arranged at the front ends of the left frame and the right frame.
3. The 10kV cubical switchboard electricity inspection dolly of claim 1 characterized in that: two racks are arranged in parallel in front of and behind the rack.
4. The 10kV cubical switchboard electricity inspection dolly of claim 1 characterized in that: a strip-shaped groove (16) arranged along the left and right directions of the frame is arranged on the right frame at the position corresponding to the inserting hole part, and a limit pin (6) detachably connected with the right end of the inserting rod part is arranged in the strip-shaped groove.
5. The 10kV cubical switchboard electricity inspection dolly of claim 1 characterized in that: and a limiting chain (7) is connected between the left frame and the right frame.
6. The 10kV cubical switchboard electricity inspection dolly of claim 1 characterized in that: the opening arm comprises a middle straight line section (222) and arc sections (223) at two ends, and the arc sections are in an upturned shape.
7. The 10kV cubical switchboard electricity inspection dolly of claim 1 characterized in that: the opening arm is rotatably arranged on the back plate through a rotating shaft (23), two positioning holes are formed in the opening arm in a centrosymmetric mode, and four positioning columns are arranged on the back plate in a rectangular mode by taking the rotating shaft as the center.
8. The 10kV cubical switchboard electricity inspection dolly of claim 7, characterized in that: the distance between two adjacent positioning columns in the horizontal direction is 12cm, and the distance between two adjacent positioning columns in the plumb direction is 8 cm.
9. The 10kV cubical switchboard electricity inspection dolly of claim 1 characterized in that: the end part of the gear shaft is provided with a cylindrical insertion hole (511) which is convenient to match with an inner angle wrench.
10. The 10kV cubical switchboard electricity inspection dolly of claim 1 characterized in that: the rigid coupling has two direction mounting grooves (15) of arranging along the frame left and right sides direction on the frame of the right side, and the direction mounting groove is arranged with the rack one to one, and the rack welds on the direction mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022471292.0U CN213460837U (en) | 2020-10-30 | 2020-10-30 | 10kV cubical switchboard electricity test dolly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022471292.0U CN213460837U (en) | 2020-10-30 | 2020-10-30 | 10kV cubical switchboard electricity test dolly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213460837U true CN213460837U (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022471292.0U Active CN213460837U (en) | 2020-10-30 | 2020-10-30 | 10kV cubical switchboard electricity test dolly |
Country Status (1)
| Country | Link |
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| CN (1) | CN213460837U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114123008A (en) * | 2021-12-09 | 2022-03-01 | 国网宁夏电力有限公司银川供电公司 | General intelligent electricity testing trolley for 10kV centrally installed switchgear |
| CN114123008B (en) * | 2021-12-09 | 2024-05-17 | 国网宁夏电力有限公司银川供电公司 | Universal intelligent electricity testing trolley for 10kV mid-set switch cabinet |
-
2020
- 2020-10-30 CN CN202022471292.0U patent/CN213460837U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114123008A (en) * | 2021-12-09 | 2022-03-01 | 国网宁夏电力有限公司银川供电公司 | General intelligent electricity testing trolley for 10kV centrally installed switchgear |
| CN114123008B (en) * | 2021-12-09 | 2024-05-17 | 国网宁夏电力有限公司银川供电公司 | Universal intelligent electricity testing trolley for 10kV mid-set switch cabinet |
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