CN212991504U - Temporary grounding wire with automatic wire winding function - Google Patents
Temporary grounding wire with automatic wire winding function Download PDFInfo
- Publication number
- CN212991504U CN212991504U CN202022384327.7U CN202022384327U CN212991504U CN 212991504 U CN212991504 U CN 212991504U CN 202022384327 U CN202022384327 U CN 202022384327U CN 212991504 U CN212991504 U CN 212991504U
- Authority
- CN
- China
- Prior art keywords
- wire
- grounding
- cylinder
- shell
- insulating shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004804 winding Methods 0.000 title claims abstract description 39
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 7
- 238000011084 recovery Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 description 11
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 4
- 239000003063 flame retardant Substances 0.000 description 4
- 239000012634 fragment Substances 0.000 description 4
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 239000011572 manganese Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 208000032544 Cicatrix Diseases 0.000 description 1
- 241000219098 Parthenocissus Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 208000035475 disorder Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 230000037387 scars Effects 0.000 description 1
Images
Landscapes
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The utility model provides a temporary grounding line with receive line function automatically, relates to the electric power system earthing device field. The utility model relates to a solve among the field operation earth connection winding displacement complicacy, retrieve the earth connection problem many consuming time. A earthing for work line with receive line function automatically, include: the device comprises a coil spring, two wire arranging devices, two limiting balls, an insulating shell, two quick connecting ports and a round shaft. A temporary grounding wire with an automatic wire winding function is characterized in that grounding components are arranged at two ends of the grounding wire, the grounding wire is pulled out for use according to the requirement of a grounding distance, and an automatic wire winding system can be automatically locked after the grounding wire reaches an ideal position; after use, the grounding component is removed, the wire take-up knob is rotated, and the grounding wires are uniformly arranged in the insulating shell by the internal wire arrangement device, so that automatic wire take-up is realized. A earthing for work line with receive line function automatically, the high-efficient arrangement and the recovery work of accomplishing the on-the-spot earth connection in the field operation of mainly used.
Description
Technical Field
The utility model belongs to electric power system earthing device field, in particular to portable tensile recovery unit of earth connection.
Background
With the continuous improvement of the electrification level in China, the expansion and the complication of the primary wiring of the electricity, the requirement on the grounding wire in the field operation is higher and higher. Because the traditional grounding wire has the problems of complicated wire arrangement, much time consumption and low working efficiency during the recovery of the grounding wire, the traditional grounding wire can not well adapt to the actual needs of a field, can not meet the requirements of using and managing the grounding wire under the complicated working conditions of the field, and can not effectively improve the safety of electric power construction operation.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a solve traditional earth connection have the winding displacement mistake miscellaneous, retrieve the earth connection problem many consuming time and that work efficiency is low. The utility model discloses according to ground connection short-circuit device standard DL T879-2004, provide an earth connection with receive line function automatically.
The technical scheme of the utility model: the method comprises the following steps: the device comprises a coil spring, two wire arranging devices, two limiting balls, an insulating shell, two quick connecting ports and a round shaft;
the insulation shell is of a hollow cylindrical structure, the two wire arrangement devices are arranged along the tangential direction of the outer circumference of the insulation shell, the free ends of the two wire arrangement devices are provided with wire outlets, the two wire arrangement devices are parallel to each other, the directions of the wire outlets are opposite, the limiting balls are provided with channels along the diameters of the limiting balls, the two limiting balls are respectively fixed at the opening ends of the two wire arrangement devices, and the channels of the two limiting balls are communicated with the wire outlets of the two wire arrangement devices; a cylinder with one closed end is arranged in the insulating shell, the cylinder is concentric with the insulating shell, the closed end of the cylinder is provided with a ring sheet, the ring sheet is coaxial with the cylinder, the inner diameter of the ring sheet is the same as that of the cylinder, a circular shaft is positioned in the cylinder and coaxial with the cylinder, the axis of the closed end of the cylinder is provided with a shaft circular hole capable of penetrating through the circular shaft, one end of the circular shaft penetrates through the shaft circular hole and is fixed on the bottom surface of the insulating shell, the other end of the circular shaft is provided with a cutting opening along the radial direction, a coil spring is positioned in the cylinder and is sleeved on the circular shaft, the central end of the coil spring is fixed in the cutting opening of the circular shaft, the other end of the coil spring is fixed on the inner circumferential surface of the cylinder, the wire center of the grounding wire is fixed on the outer circumferential surface of the cylinder, two grounding wires are wound on the outer circumferential, one end of each of the two quick connection ports is connected with two ends of the grounding wire respectively, and the other end of each of the quick connection ports is used for being connected with the grounding component.
Preferably, the wire winding device further comprises a self-locking gear and a wire winding knob, one side face of the self-locking gear is fixedly connected with the opening end of the cylinder, the inner diameter of the self-locking gear is larger than the outer diameter of the cylinder, the wire winding knob is of a cylindrical structure, a shell round hole is formed in the bottom surface of the insulating shell, one end of the wire winding knob is fixed to the inner bottom surface of the insulating shell, a sawtooth elastic sheet penetrates through the shell round hole and is arranged at the other end of the wire winding knob, the sawtooth elastic sheet is meshed with the self-locking gear, the sawtooth elastic sheet is used for limiting the wire winding knob to rotate reversely with the self-.
Preferably, the grounding wire is made of a plurality of soft copper wires with transparent sheaths.
Preferably, the grounding member includes a grounding clamp, a grounding clip, and a tubular grounding copy.
Preferably, one end of the quick connection port is provided with a locking cap for locking the connection of the grounding member to the grounding wire.
Preferably, the material of the insulating housing is an ABS flame retardant material.
Preferably, the material of the coil spring is a 62 silicon 2 manganese material.
A earthing for work device with receive line function automatically, beneficial effect lies in can realizing that the earth connection is in biaxial stretching, the automatic recovery of use, multiple ground connection part can arrange to be applicable to different operational environment's ground connection demand, thereby the work is arranged to the on-the-spot earth connection of high-efficient completion. And then effectively solve ground connection winding displacement mistake miscellaneous, retrieve the earth connection consuming time many, work efficiency low grade problem among the field operation, the ground connection part can be selected for use in a flexible way, effectively increases area of contact when guaranteeing firm ground connection, can satisfy the ground connection demand of most equipment to can the rational utilization fund. Meanwhile, detachable limiting balls are arranged at two ends of the wiring, so that excessive shrinkage force is prevented, and excessive recovery is avoided. The utility model provides a temporary grounding wire device with receive line function automatically still has semi-automatization, and the characteristics of portability can improve the convenience and the security of site operation, adapt to various power equipment in the maintenance operation to can firmly reliably ground, can guarantee the safety of maintenance work, also do benefit to depositing of instrument simultaneously, be applicable to most of job scenes that need install the earth connection.
Drawings
Fig. 1 is a schematic view of an overall structure of a ground wire with an automatic wire winding function;
fig. 2 is a perspective sectional view of a main body part of a grounding wire with an automatic wire-rewinding function;
fig. 3 is a perspective view of an internal structure of a ground wire with an automatic wire winding function;
fig. 4 is a schematic structural view of a grounding wire grounding clamp with an automatic wire winding function;
fig. 5 is a schematic structural view of a ground wire grounding clip with an automatic wire-rewinding function;
fig. 6 is a schematic structural diagram of a ground wire tubular grounding copy with an automatic wire winding function.
Detailed Description
The first embodiment is as follows: referring to fig. 1 to 6, the present embodiment is specifically described, and as shown in fig. 1, the ground wire with an automatic wire rewinding function according to the present embodiment includes: the device comprises a coil spring 1, two wire arranging devices 2, two limiting balls 5, an insulating shell 6, two quick connecting ports 7 and a round shaft 8;
the insulation shell 6 is of a hollow cylindrical structure, the two wire arrangers 2 are arranged along the tangential direction of the outer circumference of the insulation shell 6, the free ends of the two wire arrangers 2 are provided with wire outlets, the two wire arrangers 2 are parallel to each other, the orientations of the wire outlets are opposite, the limiting balls 5 are provided with channels along the diameters of the limiting balls 5, the two limiting balls 5 are respectively fixed at the opening ends of the two wire arrangers 2, and the channels of the two limiting balls 5 are communicated with the wire outlets of the two wire arrangers 2; a cylinder with one closed end is arranged inside the insulating shell 6, the cylinder is concentric with the insulating shell 6, the closed end of the cylinder is provided with a ring sheet, the ring sheet is coaxial with the cylinder, the inner diameter of the ring sheet is the same as that of the cylinder, a circular shaft 8 is positioned in the cylinder and is coaxial with the cylinder, an axial circular hole capable of penetrating through the circular shaft 8 is arranged at the axis of the closed end of the cylinder, one end of the circular shaft 8 penetrates through the axial circular hole and is fixed on the bottom surface of the insulating shell 6, the other end of the circular shaft 8 is provided with a cutting opening along the radial direction, a coil spring 1 is positioned in the cylinder, the coil spring 1 is sleeved on the circular shaft 8, the central end of the coil spring 1 is fixed in the cutting opening of the circular shaft 8, the other end of the coil spring 1 is fixed on the inner circumferential surface of the cylinder, the centers of two grounding wires are fixed on the outer circumferential surface of the cylinder, the two grounding wires are wound on the, one end of each of the two quick connection ports 7 is connected to both ends of the ground line, and the other end of each of the quick connection ports 7 is connected to the ground member.
The utility model provides a ground wire with receive line function automatically comprises coil spring 1, two winding displacement ware 2, self-locking gear 3 and two spacing balls 5, and wherein coil spring 1, two winding displacement ware 2, self-locking gear 3 equipment are inside ABS flame retardant material insulating casing 6, and two spacing balls 5 are installed at both ends mouth, prevent that the contractility is too big, cause excessive recovery, can dismantle, assemble according to actual conditions, play limiting displacement.
This embodiment the self-resuming process after the deformation of wind spring 1 realize automatic shrink earth connection, and then with cooperation winding displacement ware 2, spacing ball 5, accomplish whole shrink arrangement process, the inside winder that is equipped with of earth connection, inside wind spring 1 can produce elastic deformation storage energy under the effect of external moment of torsion, through the energy of release wind spring 1 storage, output torque realizes the recovery of earth connection.
The grounding work is to install the grounding clamp, the grounding clamp or the tubular grounding lug of the grounding part at two ends of the grounding wire, and then pull out the grounding wire according to the requirement of the grounding distance for use. After the ground wire reaches an ideal position, the automatic wire take-up system can be automatically locked to prevent the ground wire from rebounding. After the wire winding machine works, firstly, grounding pliers, grounding clamps or tubular grounding copies of grounding parts are removed, the wire winding knob 4 is rotated, the grounding wires can be automatically recycled, the grounding wires are uniformly arranged in the insulating shell 6 through the internal wire arranging device, the problem that wires are wound in disorder in field operation is effectively solved, and automatic wire winding is realized. And the limiting ball 5 limits the hidden trouble of overlarge deformation force of the coil spring.
The second embodiment is as follows: this embodiment is to a specific embodiment one a ground wire with automatic receipts line function make further explanation, still include self-locking gear 3 and receive line knob 4, a side of self-locking gear 3 and the open end fixed connection of drum, and the internal diameter of self-locking gear 3 is greater than the external diameter of drum, receive line knob 4 is the cylinder structure, the bottom surface of insulating casing 6 is equipped with the shell round hole, receive the one end of line knob 4 and fix on the inside bottom surface of insulating casing 6, the other end of receiving line knob 4 passes shell round hole and this end is equipped with the sawtooth shell fragment, the sawtooth shell fragment meshes with self-locking gear 3, the sawtooth shell fragment is used for restricting to receive line knob 4 and self-locking gear 3 reversal, receive line knob 4 is used for releasing the engaged state of sawtooth shell fragment and self-locking gear.
In this embodiment, a ground wire with automatic receipts line function can realize independently locking after pulling out the ground wire through self-locking gear 3, and self-locking gear 3 is when stopping tensile ground wire, through the occlusal force between the gear, realizes independently fixing, and it is more convenient, swift to adjust the tensile length of ground wire.
The third concrete implementation mode: in this embodiment, a grounding wire with an automatic wire winding function is further described in the first embodiment, and as shown in fig. 2, in this embodiment, a multi-stranded annealed copper wire with a transparent sheath is used as the grounding wire.
This embodiment a temporary grounding wire device with receive line function automatically, creeper 2 need calculate according to the earth connection diameter to leave certain margin and design inside line interval, realize that the inner space is compact and can not the card line, the compactness, the rationalization that the earth connection was arranged have been ensured to very big degree.
The ground wire with the automatic wire winding function in the embodiment mainly comprises an automatic wire winding system, a ground wire and a ground part. The grounding wire can be matched with a sectional area of 6-10 mm according to working requirements2A multi-strand annealed copper wire having a transparent sheath.
The fourth concrete implementation mode: in this embodiment, a grounding wire with an automatic wire winding function is further described, as shown in fig. 4, 5, and 6, in this embodiment, the grounding member includes a grounding clamp, a grounding clip, and a tubular grounding copy.
The grounding clamp, the grounding clamp and the tubular grounding copy are detachable, and the grounding clamp, the grounding clamp or the tubular grounding copy of the grounding part is selected according to specific field operation conditions, so that the grounding requirements of a production field are met, and the operation safety is ensured. The copying design with adjustable diameter is adopted for the tubular grounding copying, the copying design is suitable for the condition that the grounding side needs to be connected to a circular pillar or a tubular structure of some equipment frameworks, and the copying design can lock the equipment frameworks, so that the contact area is larger and firmer.
The fifth concrete implementation mode: in this embodiment, a grounding wire with an automatic wire winding function is further described in the first embodiment, as shown in fig. 2 and 3, one end of the wire winding knob 7 of the quick connection port is provided with a locking cap, and the locking cap is used for locking the connection between the grounding component and the grounding wire.
This embodiment the quick connect port 7 has adopted the main part copper core to insert and has inlayed the formula structure, makes the equipment more swift when can guaranteeing effective firm contact, promotes work efficiency.
The sixth specific implementation mode: in this embodiment, a description is further given of the ground wire with an automatic wire winding function in the first embodiment, as shown in fig. 2, the wire winding knob 6 of the insulating housing is made of an ABS flame retardant material.
The insulating shell 6 of the ABS flame retardant material in the embodiment has high strength, and effectively avoids the abrasion of the take-up box, thereby prolonging the service life of the whole device.
The seventh embodiment: in this embodiment, a grounding wire with an automatic wire winding function according to a first embodiment is further described, as shown in fig. 2, a material of the coil spring wire winding knob 1 is 62 silicon 2 manganese material.
The 62 silicon 2 manganese material of the material in the embodiment has a high yield strength-tensile strength ratio, can still ensure good use and rebound speed of the coil spring 1 after being stretched and recycled for multiple times, has strong toughness, smooth surface, good rebound resilience, firmness and durability, and avoids the defect that the coil spring is easy to fatigue fracture due to defects of surface scars, defects and the like.
The foregoing examples are presented for the purpose of promoting an understanding and practice of the invention, and are not to be construed as limiting the invention in any way.
Claims (5)
1. The utility model provides a temporary grounding line with receive line function automatically which characterized in that includes: the device comprises a coil spring (1), two wire arranging devices (2), two limiting balls (5), an insulating shell (6), two quick connecting ports (7) and a round shaft (8);
the insulation shell (6) is of a hollow cylinder structure, the two wire winding devices (2) are arranged along the tangential direction of the outer circumference of the insulation shell (6), the free ends of the two wire winding devices (2) are provided with wire outlets, the two wire winding devices (2) are parallel to each other, the directions of the wire outlets are opposite, the limiting balls (5) are provided with channels along the diameters of the limiting balls, the two limiting balls (5) are respectively fixed at the opening ends of the two wire winding devices (2), and the channels of the two limiting balls (5) are communicated with the wire outlets of the two wire winding devices (2); a cylinder with one closed end is arranged in the insulating shell (6), the cylinder and the insulating shell (6) are concentric, a ring sheet is arranged at the closed end of the cylinder, the ring sheet is coaxial with the cylinder, the inner diameter of the ring sheet is the same as that of the cylinder, a circular shaft (8) is arranged in the cylinder and is coaxial with the cylinder, an axial circular hole capable of penetrating through the circular shaft (8) is arranged at the axis of the closed end of the cylinder, one end of the circular shaft (8) penetrates through the axial circular hole and is fixed on the bottom surface of the insulating shell (6), a cutting opening is arranged at the other end of the circular shaft (8) along the radial direction of the circular shaft, a coil spring (1) is arranged in the cylinder, the coil spring (1) is sleeved on the circular shaft (8), the central end of the coil spring (1) is fixed in the cutting opening of the circular shaft (8), the other end of the coil spring (1) is fixed on the inner circumferential surface of the cylinder, the center of a grounding, two ends of the grounding wire extend out of the insulating shell (6) from the wire outlets of the two wire winding devices (2) respectively, one ends of the two quick connection ports (7) are connected with two ends of the grounding wire respectively, and the other ends of the quick connection ports (7) are used for being connected with a grounding component.
2. The temporary grounding wire with the automatic wire rewinding function as claimed in claim 1, characterized by further comprising a self-locking gear (3) and a wire rewinding knob (4), one side surface of the self-locking gear (3) is fixedly connected with the open end of the cylinder, the inner diameter of the self-locking gear (3) is larger than the outer diameter of the cylinder, the wire rewinding knob (4) is of a cylindrical structure, a shell circular hole is formed in the bottom surface of the insulating shell (6), one end of the wire rewinding knob (4) is fixed to the inner bottom surface of the insulating shell (6), the other end of the wire rewinding knob (4) penetrates through the shell circular hole, a sawtooth elastic sheet is arranged at the end of the shell circular hole and meshed with the self-locking gear (3), the sawtooth elastic sheet is used for limiting the wire rewinding knob (4) and the self-locking gear (3) to rotate reversely, and the wire rewinding knob (4.
3. A temporary grounding wire with automatic wire rewinding function as claimed in claim 1, wherein the grounding wire is made of a multi-strand annealed copper wire with a transparent sheath.
4. A temporary grounding wire with an automatic wire rewinding function as claimed in claim 1, wherein the grounding member includes a grounding clamp, a grounding clip and a tubular grounding lug.
5. A temporary grounding wire with automatic wire rewinding function as claimed in claim 1, wherein one end of the quick connection port (7) is provided with a locking cap for locking the connection of the grounding member to the grounding wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022384327.7U CN212991504U (en) | 2020-10-23 | 2020-10-23 | Temporary grounding wire with automatic wire winding function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022384327.7U CN212991504U (en) | 2020-10-23 | 2020-10-23 | Temporary grounding wire with automatic wire winding function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212991504U true CN212991504U (en) | 2021-04-16 |
Family
ID=75419127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022384327.7U Active CN212991504U (en) | 2020-10-23 | 2020-10-23 | Temporary grounding wire with automatic wire winding function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212991504U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112202008A (en) * | 2020-10-23 | 2021-01-08 | 国网黑龙江省电力有限公司牡丹江供电公司 | Temporary grounding wire with automatic wire winding function |
-
2020
- 2020-10-23 CN CN202022384327.7U patent/CN212991504U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112202008A (en) * | 2020-10-23 | 2021-01-08 | 国网黑龙江省电力有限公司牡丹江供电公司 | Temporary grounding wire with automatic wire winding function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205029104U (en) | Picture peg and have its vertical picture peg of shrink group with voluntarily, lock function | |
| CN102556774B (en) | Cable winding plate of manual multiple-linked fast cable coiling and uncoiling | |
| CN212991504U (en) | Temporary grounding wire with automatic wire winding function | |
| CN112202008A (en) | Temporary grounding wire with automatic wire winding function | |
| CN217545415U (en) | MPP communication pipe convenient to quick threading | |
| CN213181774U (en) | Portable high-pressure megger | |
| CN215207879U (en) | Wire collecting and arranging device for live working robot | |
| CN113851936A (en) | Power distribution cabinet lead wire device and power distribution cabinet | |
| CN216121545U (en) | Extension insulation stringing connecting device | |
| CN221552782U (en) | High-voltage cable hoop with limiting structure | |
| CN118572590B (en) | Threading wire arranging device for installing mechanical and electrical cables | |
| CN114024255B (en) | Automatic pre-twisted wire protection line installation equipment for power engineering | |
| CN212784019U (en) | Portable wiring auxiliary device | |
| CN219065684U (en) | Static phasing instrument for motor | |
| CN214455871U (en) | Cable winding device for underground coal mining | |
| CN219591849U (en) | Wire harness device in transformer substation | |
| CN218538837U (en) | Adjustable electric power construction traction device | |
| CN215645320U (en) | Multi-terminal connecting wire with take-up device | |
| CN221767528U (en) | Weak current engineering spool protector | |
| CN217296742U (en) | Cable winding device for power supply and distribution engineering | |
| CN212356021U (en) | Winding equipment for electric power engineering | |
| CN211419185U (en) | Cable winding and unwinding equipment for buried pipe traction | |
| CN219250197U (en) | Severe patient pulse monitor | |
| CN220234429U (en) | Generator forming winding dismantling tool | |
| CN220086860U (en) | Cable protection device for new energy automobile body assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |