CN220019810U - Device for movable detection and debugging of tapping switch - Google Patents
Device for movable detection and debugging of tapping switch Download PDFInfo
- Publication number
- CN220019810U CN220019810U CN202321353404.XU CN202321353404U CN220019810U CN 220019810 U CN220019810 U CN 220019810U CN 202321353404 U CN202321353404 U CN 202321353404U CN 220019810 U CN220019810 U CN 220019810U
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- bearing ring
- tapping switch
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- 238000010079 rubber tapping Methods 0.000 title claims abstract description 62
- 238000001514 detection method Methods 0.000 title claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims description 105
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model relates to a device for movable detection and debugging of a tapping switch, which belongs to the technical field of on-load tapping switches and comprises a frame, a bearing ring, a positioning piece and a driving mechanism, wherein a plurality of brake universal wheels are arranged at the bottom of the frame; the diameter of the receiving ring is smaller than the top diameter of the tapping switch, and the receiving ring is arranged in an opening; the positioning piece is arranged on the bearing ring and is used for detachably connecting the bearing ring with the fixed debugging frame; the driving mechanism is arranged on the frame and is used for driving the switching mechanism of the tapping switch. When the staff detects the tapping switch, relieve the connection of accepting ring and fixed test frame through the setting element, brake universal wheel reduces the frictional force of frame and ground, and the staff can promote the frame to other positions and detect, avoids occupying fixed test frame for a long time, improves current test frame and is inconvenient for nimble adjustment and influences the problem to tapping switch's detection progress.
Description
Technical Field
The utility model relates to the technical field of on-load tap-changer, in particular to a device for movable detection and debugging of a tap-changer.
Background
The on-load tap changer is a voltage regulating device which is suitable for operating under the excitation or load of a transformer and is used for changing the tap connection position of a transformer winding; after the whole assembly of the on-load tap-changer is completed, the whole operation condition of the on-load tap-changer needs to be detected.
At present, an on-load tap-changer is usually installed on a fixed test frame, and a driving mechanism drives a switching mechanism of the tap-changer to switch so as to detect the tap-changer, but because certain tap-changers need to be switched, operated and debugged for a long time, the fixed test frame can be occupied for a long time, more stations can not be used for detecting other tap-changers, and the detection progress of the tap-changer is affected.
Disclosure of Invention
In order to solve the problem that the existing test frame is inconvenient to flexibly adjust and influences the detection progress of the tapping switch, the utility model provides a device for movable detection and debugging of the tapping switch.
The utility model provides a device for movable detection and debugging of a tapping switch, which adopts the following technical scheme:
the device for movable detection and debugging of the tapping switch comprises a frame, a bearing ring, a positioning piece and a driving mechanism, wherein a plurality of brake universal wheels are arranged at the bottom of the frame; the bearing ring is arranged on the frame, the diameter of the bearing ring is smaller than the top diameter of the tapping switch, and the bearing ring is arranged in an opening manner; the positioning piece is arranged on the bearing ring and is used for detachably connecting the bearing ring with the fixed debugging frame; the driving mechanism is arranged on the frame and is used for driving the switching mechanism of the tapping switch.
Through adopting above-mentioned technical scheme, the staff will accept the ring and be connected to fixed test frame through the setting element, then hang into tapping switch from the opening side of accepting the ring for tapping switch's top and the top butt of accepting the ring, the shifter of tapping switch is driven through actuating mechanism, it detects to tapping switch, when needing long-time detection, it is connected with fixed test frame to accept the ring to remove through the setting element, brake the universal wheel and reduce the frictional force of frame and ground, the staff can promote the frame to other positions and detect, avoid occupying fixed test frame for a long time, improve the problem of the inconvenient nimble adjustment of current test frame and influence the detection progress to tapping switch.
Optionally, the locating piece includes a plurality of locating bolt, and a plurality of locating bolt screw thread sets up on accepting the ring, and a plurality of locating bolt screw thread wears to establish to fixed test frame.
Through adopting above-mentioned technical scheme, the staff rotates positioning bolt, screws in fixed debugging frame with positioning bolt, can accomplish to accept the ring and be connected with fixed debugging frame, and the staff screws out positioning bolt from fixed debugging frame, can relieve again and accept the ring and be connected with fixed debugging frame, be convenient for the staff will accept the ring and be connected to fixed debugging frame on or relieve to accept the ring and be connected with fixed debugging frame.
Optionally, a plurality of bolts are slidably arranged on the bearing ring, and the bolts are used for being inserted into the top of the tapping switch.
Through adopting above-mentioned technical scheme, after the staff hangs tap changer to accepting on the ring, order about the bolt and insert tap changer's top, promote the stability that tap changer is located accepting on the ring.
Optionally, actuating mechanism includes electric cabinet, transmission case and transmission shaft, the electric cabinet sets up in one side of frame and is used for controlling the transmission structure rotation of transmission case, the transmission case sets up on accepting the ring and is used for driving the transmission shaft and rotates, the transmission shaft can dismantle the setting on the transmission case, just the transmission shaft can dismantle with the shifter of tapping switch and be connected.
Through adopting above-mentioned technical scheme, the staff drives the transmission structure of transmission case through the electric cabinet and rotates, and the transmission case drives the transmission shaft and rotates, and the transmission shaft can drive the shifter of tapping switch, detects the tapping switch, and the shifter of tapping switch is driven to the staff of being convenient for.
Optionally, clamping assemblies are arranged at two ends of the transmission shaft, each clamping assembly comprises two clamping plates and two clamping bolts, and the two clamping plates are mutually buckled on the transmission shaft; the clamping bolts are arranged on one clamping plate in a threaded manner, and a plurality of clamping bolts are arranged on the other clamping plate in a threaded manner.
Through adopting above-mentioned technical scheme, the staff clamps the transmission structure of one end and the transmission case of transmission shaft between two splint, and the rethread clamping bolt makes two splint press from both sides tight with the transmission structure of transmission shaft and transmission case, then clamps the switching mechanism of the other end and the tapping switch of transmission shaft between two other splint again, rotates clamping bolt and presss from both sides tight with the switching mechanism of transmission shaft and tapping switch, can realize the both ends of transmission shaft and the detachable of the switching mechanism of transmission case and tapping switch be connected, and the staff of being convenient for is connected the switching mechanism of transmission case and tapping switch.
Optionally, a clamping groove is formed in the clamping plate, and a clamping block clamped in the clamping groove is arranged on the transmission structure of the transmission case.
Through adopting above-mentioned technical scheme, the staff is gone into the draw-in groove with the fixture block card on the transmission structure of transmission case, and when the transmission structure of transmission case rotated, the accessible splint drove the transmission shaft and rotated, promotes the stability when splint and the transmission structure of transmission case carry out the transmission.
Optionally, the transmission case is rotatably arranged on the bearing ring, and a plurality of arc-shaped strip holes are formed in the bearing ring; the transmission case is provided with a plurality of tight bolts in a threaded manner, the tight bolts penetrate through the arc-shaped strip holes, and the tight nuts are arranged at one ends of the tight bolts penetrating through the arc-shaped strip holes in a threaded manner.
Through adopting above-mentioned technical scheme, the staff screws up and supports tight nut and makes to support tight nut keep away from accepting the ring, can rotate the transmission case, supports tight bolt in the arc strip hole in the rotation process and slides, and after the adjustment was accomplished, rotated again and supports tight nut and accepted the ring and support tightly, can now the rotation of transmission case again, the staff of being convenient for adjusts the angle of transmission case on accepting the ring.
Optionally, a clamping mechanism for detachably connecting the electric cabinet with the fixed test frame is arranged on the electric cabinet, the clamping mechanism comprises a connecting plate, handle bolts, clamping plates and fastening bolts, two connecting plates are arranged on the electric cabinet, and the handle bolts are arranged on the connecting plate in a threaded manner; the clamping plate is rotatably arranged on the connecting plate, and the fastening bolt is arranged on the clamping plate in a threaded manner.
Through adopting above-mentioned technical scheme, the staff rotates the handle bolt and makes handle bolt and fixed debugging frame support tightly, then rotates two joint boards and makes two joint boards be close to each other, rotates fastening bolt again and makes fastening bolt and fixed debugging frame support tightly, can be fixed the electric cabinet on the fixed debugging frame, promotes the stability of electric cabinet.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. the connection between the bearing ring and the fixed test frame is released through the positioning piece, the friction force between the frame and the ground is reduced by the brake universal wheel, and a worker can push the frame to other positions for detection, so that the problem that the detection progress of the tapping switch is influenced due to the fact that the fixed test frame is occupied for a long time and the existing test frame is inconvenient to flexibly adjust is solved;
2. the two ends of the transmission shaft are respectively clamped and fixed with the transmission structure of the transmission box and the switching mechanism of the tapping switch through the clamping plates, so that the two ends of the transmission shaft are detachably connected with the transmission box and the switching mechanism of the tapping switch, and a worker can conveniently connect the transmission box with the switching mechanism of the tapping switch;
3. the electric cabinet can be detachably connected to the fixed test frame through the clamping mechanism, so that the stability of the electric cabinet is improved.
Drawings
Fig. 1 is a schematic structural diagram of an apparatus for mobile detection and adjustment of a tap changer according to an embodiment of the utility model.
Fig. 2 is a schematic structural diagram of another view of an embodiment of the present utility model.
Fig. 3 is a schematic view of a partial connection structure of a receiving ring and a tap changer according to an embodiment of the utility model.
Fig. 4 is an exploded view of a transmission case, a drive shaft and a clamping assembly according to an embodiment of the present utility model.
Fig. 5 is a schematic structural view of an electric cabinet and a clamping structure according to an embodiment of the present utility model
Reference numerals: 1. a frame; 2. a receiving ring; 21. arc-shaped strip holes; 3. a positioning piece; 31. positioning bolts; 4. a driving mechanism; 41. an electric control box; 42. a transmission case; 43. a transmission shaft; 5. a brake universal wheel; 6. a plug pin; 7. a clamping assembly; 71. a clamping plate; 711. a clamping groove; 72. clamping bolts; 8. abutting the bolt; 9. tightly supporting the nut; 10. a clamping mechanism; 101. a connecting plate; 102. a handle bolt; 103. a clamping plate; 104. and (5) fastening a bolt.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-5.
The embodiment of the utility model discloses a device for movable detection and debugging of a tap switch.
Referring to fig. 1, the device for movable detection and adjustment of a tap changer comprises a frame 1, a receiving ring 2, a positioning member 3 and a driving mechanism 4.
Referring to fig. 1 and 2, a plurality of brake universal wheels 5 are installed at the bottom of a frame 1, in this embodiment, four brake universal wheels 5 are installed at the bottom of the frame 1 in a rectangular array, and a handle convenient for a worker to push is installed on the frame 1; the bearing ring 2 is arranged at the top of the frame 1, the bearing ring 2 is provided with a semicircular opening, the diameter of the opening of the bearing ring 2 is smaller than the diameter of the top of the tapping switch, but the diameter of the opening of the bearing ring 2 is larger than the diameter of the bottom of the tapping switch; referring to fig. 3, the positioning member 3 is mounted on the receiving ring 2 and is used for detachably connecting the receiving ring 2 with the fixed test frame, the positioning member 3 includes a plurality of positioning bolts 31, the plurality of positioning bolts 31 are all mounted on the receiving ring 2 in a threaded manner, and the plurality of positioning bolts 31 are threaded on the fixed test frame, in this embodiment, the three positioning bolts 31 are mounted on the top of the receiving ring 2 in a threaded manner, and three threaded holes adapted to the receiving ring 2 are provided on the top of the fixed test frame in advance, so that the positioning bolts 31 can fix the receiving ring 2 to the fixed test frame and simultaneously position the receiving ring 2 on the fixed test frame; the drive mechanism 4 is mounted on the frame 1 and is used for driving the switching mechanism of the tap changer.
The staff removes frame 1 for frame 1 removes to fixed debugging frame department, screw in the screw hole on the fixed debugging frame with three positioning bolt 31, accomplish the connection of frame 1 and fixed debugging frame, hoist tap changer to on accepting ring 2 from accepting ring 2's open side again, make the top and accepting ring 2 butt of tap changer, can drive tap changer's shifter through actuating mechanism 4, realize the detection to tap changer, if tap changer's debugging detects longer, and the tap changer that needs to detect is more again, can screw out three positioning bolt 31 from fixed debugging frame, then push away frame 1 from fixed debugging frame department, let out fixed debugging frame and detect other tap changers, avoid the tap changer long-time fixed debugging frame of taking, improve the problem that current debugging frame is inconvenient for nimble adjustment and influences the detection progress to tap changer.
Referring to fig. 2 and 3, the receiving ring 2 is slidably provided with a plurality of pins 6, the pins 6 are used for being inserted into the top of the tapping switch, in this embodiment, the pins 6 are slidably provided with three pins on the receiving ring 2, and three insertion holes are reserved at the top of the tapping switch, and the three insertion holes correspond to the three pins 6 respectively; the staff hoists the tapping switch to the support ring 2, and adjusts the position of the tapping switch, so that the plug pin 6 is opposite to the jack at the top of the tapping switch, then the plug pin 6 is inserted into the jack, the plug pin 6 can fix the tapping switch on the support ring 2, stability of the tapping switch on the support ring 2 is improved, and meanwhile the position of the tapping switch mounted on the support ring 2 can be positioned.
Referring to fig. 1 and 4, the driving mechanism 4 includes an electric cabinet 41, a transmission case 42 and a transmission shaft 43, the electric cabinet 41 is installed at one side of the frame 1, the electric cabinet 41 is used for controlling the transmission structure of the transmission case 42 to rotate, in this embodiment, the electric cabinet 41 is installed on a moving frame with universal wheels, so that a worker can move the control cabinet 41 individually, and a motor serving as a power source is installed inside the electric cabinet 41;
the bearing ring 2 is provided with a plurality of arc-shaped strip holes 21, in the embodiment, the bearing ring 2 is provided with two arc-shaped strip holes 21, the transmission case 42 is provided with two groups of abutting bolts 8 and abutting nuts 9 which correspond to the two arc-shaped strip holes 21 respectively, the abutting bolts 8 are arranged on the transmission case 42 in a threaded manner, the abutting bolts 8 penetrate through the arc-shaped strip holes 21, and the abutting nuts 9 are arranged at one end of the abutting bolts 8 penetrating through the arc-shaped strip holes 21 in a threaded manner; the transmission case 42 is detachably mounted on the carrying ring 2 through the abutting bolt 8 and the abutting nut 9, so that a worker can conveniently mount and dismount the transmission case 42 on the carrying ring 2, and the angle of the transmission case 42 on the carrying ring 2 can be conveniently adjusted by the worker through the opening of the arc-shaped strip hole 21; in this embodiment, the transmission case 42 includes a case body, driving shafts and bevel gears, the case body is mounted on the receiving ring 2, the driving shafts are rotatably mounted on the case body and are perpendicular to each other, one bevel gear is mounted at one end of each of the two driving shafts located in the case body, and the two bevel gears are engaged, so that a worker can conveniently adjust the driving direction of the electric control case 41 according to the requirement;
clamping assemblies 7 are arranged at two ends of the transmission shaft 43, and two ends of the transmission shaft 43 are detachably connected with the transmission case 42 and the switching mechanism of the tapping switch respectively through the clamping assemblies 7; the clamping assembly 7 comprises two clamping plates 71 and clamping bolts 72, the two clamping plates 71 are mounted, the two clamping plates 71 are mutually buckled, a space for clamping the transmission shaft 43 is formed between the two clamping plates 71, in the embodiment, the section shape of the transmission shaft 43 is rectangular, the space formed between the two clamping plates 71 is rectangular matched with the transmission shaft 43, the transmission shaft 43 is prevented from rotating between the two clamping plates 71, the transmission efficiency is improved, in other embodiments, the section shape of the transmission shaft 43 can be triangular, pentagonal and other polygons, and the space formed between the two clamping plates 71 is matched with the space; the clamping bolts 72 are mounted on the side threads of one of the clamping plates 71, in this embodiment, three clamping bolts 72 are mounted on the side threads of one of the clamping plates 71, three threaded holes matched with the clamping bolts 72 are formed in the other clamping plate 71, and the three clamping bolts 72 are respectively threaded into the three threaded holes; in this embodiment, two clamping blocks are mounted on the output shaft of the electric cabinet 41, the two transmission shafts 43 of the transmission box 42 and the shaft of the switching mechanism of the tapping switch, and the two clamping blocks are respectively clamped into the clamping grooves 711 on the two clamping plates 71, so that the transmission box 42 is convenient to drive the clamping plates 71 to rotate, and the transmission shafts 43 are convenient to drive the switching mechanism of the tapping switch through the clamping plates 71.
In this embodiment, the electric cabinet 41 and the transmission box 42 are also driven by the transmission shaft 43, that is, two ends of the transmission shaft 43 between the electric cabinet 41 and the transmission box 42 are also detachably connected with the electric cabinet 41 and the transmission box 42 by the clamping assembly 7, so that the electric cabinet 41 and the transmission box 42 are convenient to detach, a worker can push the electric cabinet 41 to other frames 1 conveniently, and the utilization rate of the electric cabinet 41 is improved.
The staff is connected through transmission shaft 43 and clamping assembly 7 between with electric cabinet 41 and the transmission case 42, is connected to between the switching mechanism of transmission case 42 and tapping switch with another transmission shaft 43 through clamping assembly 7 again, then drives transmission shaft 43 between electric cabinet 41 and the transmission case 42 through electric cabinet 41, can drive transmission shaft 43 rotation between the switching mechanism of transmission case 42 and tapping switch through transmission case 42, reaches the purpose of driving the switching mechanism of tapping switch then, and the staff of being convenient for drives the switching mechanism of tapping switch.
Referring to fig. 2 and 5, a clamping mechanism 10 for detachably connecting the electric cabinet 41 with a fixed test frame is mounted on the electric cabinet 41, the clamping mechanism 10 comprises a connecting plate 101, handle bolts 102, clamping plates 103 and fastening bolts 104, two connecting plates 101 are mounted on the electric cabinet 41 at intervals, one handle bolt 102 is mounted on one connecting plate 101 in a threaded manner, and the two handle bolts 102 are mounted oppositely; the clamping plate 103 is rotatably mounted on the connecting plate 101, the clamping plate 103 is perpendicular to the connecting plate 101, and the fastening bolt 104 is mounted on the clamping plate 103 in a threaded manner.
The staff promotes electric cabinet 41 for the stand card of fixed debugging frame is gone into between two connecting plates 101, rotates handle bolt 102 and makes handle bolt 102 and fixed debugging frame support tightly, then rotates two joint boards 103 and makes two joint boards 103 be close to each other, and again rotates fastening bolt 104 and makes fastening bolt 104 and fixed debugging frame support tightly, can be fixed electric cabinet 41 to fixed debugging frame on, promotes the stability of electric cabinet 41.
The implementation principle of the device for movable detection and debugging of the tapping switch in the embodiment of the utility model is as follows: the tapping switch is hoisted to the bearing ring 2 and fixed by using the bolt 6, if the tapping switch needs to be detected for a long time, the frame 1 is pushed away from the fixed test frame, then the split driving mechanism 4 is installed on one side of the frame 1, and the driving mechanism 4 is connected with the switching mechanism of the tapping switch through the transmission shaft 43 and the clamping assembly 7, so that the switching mechanism of the tapping switch is driven to detect the tapping switch, the problem that the tapping switch occupies the fixed test frame for a long time, and the detection progress of the tapping switch is influenced because the existing test frame is inconvenient to flexibly adjust is solved.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. The utility model provides a device for movable detection debugging of tapping switch which characterized in that: the brake device comprises a frame (1), a bearing ring (2), a positioning piece (3) and a driving mechanism (4), wherein a plurality of brake universal wheels (5) are arranged at the bottom of the frame (1); the bearing ring (2) is arranged on the frame (1), the diameter of the bearing ring (2) is smaller than the top diameter of the tapping switch, and the bearing ring (2) is arranged in an opening manner; the positioning piece (3) is arranged on the bearing ring (2) and is used for detachably connecting the bearing ring (2) with the fixed test frame; the driving mechanism (4) is arranged on the frame (1) and is used for driving a switching mechanism of the tapping switch.
2. A device for mobile detection commissioning of a tap changer of claim 1, wherein: the locating piece (3) comprises a plurality of locating bolts (31), the locating bolts (31) are arranged on the bearing ring (2) in a threaded mode, and the locating bolts (31) are arranged on the fixed test frame in a threaded mode in a penetrating mode.
3. A device for mobile detection commissioning of a tap changer of claim 1, wherein: the bearing ring (2) is provided with a plurality of bolts (6) in a sliding manner, and the bolts (6) are used for being inserted into the top of the tapping switch.
4. A device for mobile detection commissioning of a tap changer of claim 1, wherein: the driving mechanism (4) comprises an electric cabinet (41), a transmission box (42) and a transmission shaft (43), wherein the electric cabinet (41) is arranged on one side of the frame (1) and is used for controlling the transmission structure of the transmission box (42) to rotate, the transmission box (42) is arranged on the bearing ring (2) and is used for driving the transmission shaft (43) to rotate, the transmission shaft (43) is detachably arranged on the transmission box (42), and the transmission shaft (43) is detachably connected with the switching mechanism of the tapping switch.
5. The apparatus for tap changer movable detection commissioning of claim 4, wherein: clamping assemblies (7) are arranged at two ends of the transmission shaft (43), each clamping assembly (7) comprises clamping plates (71) and clamping bolts (72), two clamping plates (71) are arranged on the transmission shaft (43), and the two clamping plates (71) are buckled with each other; the clamping bolts (72) are arranged on one clamping plate (71) in a threaded mode, and the clamping bolts (72) are arranged on the other clamping plate (71) in a threaded mode.
6. The apparatus for tap changer movable detection commissioning of claim 5, wherein: clamping grooves (711) are formed in the clamping plates (71), and clamping blocks clamped into the clamping grooves (711) are arranged on a transmission structure of the transmission box (42).
7. The apparatus for tap changer movable detection commissioning of claim 4, wherein: the transmission case (42) is rotatably arranged on the bearing ring (2), and a plurality of arc-shaped strip holes (21) are formed in the bearing ring (2); the transmission case (42) is provided with a plurality of tight bolts (8) in a threaded manner, the tight bolts (8) penetrate through the arc-shaped strip holes (21), and the tight nuts (9) are arranged at one end of the tight bolts (8) penetrating through the arc-shaped strip holes (21) in a threaded manner.
8. The apparatus for tap changer movable detection commissioning of claim 4, wherein: the electric cabinet (41) is provided with a clamping mechanism (10) for detachably connecting the electric cabinet (41) with a fixed test frame, the clamping mechanism (10) comprises a connecting plate (101), handle bolts (102), clamping plates (103) and fastening bolts (104), two connecting plates (101) are arranged on the electric cabinet (41), and the handle bolts (102) are arranged on the connecting plate (101) in a threaded mode; the clamping plate (103) is rotatably arranged on the connecting plate (101), and the fastening bolt (104) is arranged on the clamping plate (103) in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321353404.XU CN220019810U (en) | 2023-05-30 | 2023-05-30 | Device for movable detection and debugging of tapping switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321353404.XU CN220019810U (en) | 2023-05-30 | 2023-05-30 | Device for movable detection and debugging of tapping switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220019810U true CN220019810U (en) | 2023-11-14 |
Family
ID=88676667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321353404.XU Active CN220019810U (en) | 2023-05-30 | 2023-05-30 | Device for movable detection and debugging of tapping switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220019810U (en) |
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2023
- 2023-05-30 CN CN202321353404.XU patent/CN220019810U/en active Active
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