CN211521247U - Cable winding and unwinding devices for electric power test - Google Patents
Cable winding and unwinding devices for electric power test Download PDFInfo
- Publication number
- CN211521247U CN211521247U CN201922403864.9U CN201922403864U CN211521247U CN 211521247 U CN211521247 U CN 211521247U CN 201922403864 U CN201922403864 U CN 201922403864U CN 211521247 U CN211521247 U CN 211521247U
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- cable
- sliding
- plate
- sliding plate
- power test
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Abstract
The utility model discloses a cable winding and unwinding devices for electric power test, including lower base, upper end one side fixed mounting of lower base has the fixed plate, and the upper end fixed mounting of fixed plate has two sets of bracing pieces, and movable mounting has the axis of rotation on two sets of bracing pieces, and the outside fixed mounting of axis of rotation has the cable to receive and release the wheel, and the front end of axis of rotation is provided with the stirring handle. The utility model discloses a cable winding and unwinding devices for electric power is experimental, cable standing groove and extrusion piece through setting up, can draw in the cable and fix the one end of completion back to the cable, the not hard up condition of cable appearance has been avoided, and draw the getting to the cable after convenient, through the transmission groove that sets up, No. two transmission grooves and activity runner, can conveniently draw in the cable, avoid appearing the cable and drawing in the condition that the in-process appears the dislocation in, more laborsaving when drawing in, through sliding tray and the sliding block that sets up, can conveniently accomodate cable winding and unwinding devices, bring better use prospect.
Description
Technical Field
The utility model relates to an electric power test field, in particular to cable winding and unwinding devices for electric power test.
Background
In order to ensure that a power system can normally operate, a power test is required, the safety problem in the power test is particularly important, so the safety of the power test is scientifically managed, a cable is often required in the power test, the cable is made of one or more mutually insulated conductors and an outer insulating protective layer, power or information is transmitted to a lead at another position from one position, the cable needs to be folded and unwound when being used and stored, and a cable winding and unwinding device for the power test is required;
there is certain drawback when using in current cable winding and unwinding devices for electric power test, at first, the cable is drawing in and is accomplishing the back, and is inconvenient to fix the one end of cable to make the not hard up condition appear easily in the cable, secondly, the cable need consume very big strength at the in-process that draws in, and can appear the condition of cable dislocation when drawing in, at last, cable winding and unwinding devices is inconvenient to be accomodate after the use is accomplished, for this, we propose a cable winding and unwinding devices for electric power test.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a cable winding and unwinding devices for electric power is experimental, can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a cable winding and unwinding devices for electric power test, includes the base down, upper end one side fixed mounting of base has the fixed plate down, the upper end fixed mounting of fixed plate has two sets of bracing pieces, and is two sets of movable mounting has the axis of rotation on the bracing piece, the outside fixed mounting of axis of rotation has the cable to receive and release the wheel, the front end of axis of rotation is provided with stirs the handle, the upper end of base is provided with a sliding plate and No. two sliding plates respectively down, a sliding plate is located one side of No. two sliding plates, No. one the transmission groove has been seted up on the sliding plate, No. two the transmission groove has been seted up on No. two sliding plates, the equal fixed mounting in inside of a transmission groove and No. two transmission grooves has two sets of rotatory lassos, and is.
Furthermore, a thread groove is formed in the upper end of the first sliding plate, a rotating screw is movably mounted in the thread groove, rotating rods are fixedly mounted on two sides of the upper end of the rotating screw, a first limiting block is fixedly mounted at the lower end of the rotating screw, a connecting block is fixedly mounted at the lower end of the required first limiting block, a second limiting block is fixedly mounted at the lower end of the connecting block, an upper connecting plate is movably mounted in the inner portion of the first transmission groove, and a connecting hole is formed in the upper end of the upper connecting plate.
Furthermore, the thread groove is communicated with the first transmission groove, the connecting block is located inside the connecting hole and movably connected with the connecting hole, and the first limiting block and the second limiting block are located at the upper end and the lower end of the upper connecting plate respectively.
Further, the lower extreme fixed mounting of upper junction plate has two sets of connecting rods, the lower extreme fixed mounting of connecting rod has the fixed block, the lower extreme fixed mounting of fixed block has the extrusion piece, equal fixed mounting in both sides of a sliding plate has the lower plate, and is two sets of all seted up the cable standing groove on lower plate and the transmission tank.
Furthermore, two sets of fixed blocks are located the both sides of a sliding plate respectively, the upper junction plate is located the upper end of activity runner, the extrusion piece is located the upper end of cable standing groove.
Furthermore, two sets of sliding grooves are formed in the upper end of the lower base, four sets of first fixing holes are formed in two sides of the lower base, two sets of sliding blocks are fixedly mounted at the lower ends of the first sliding plate and the second sliding plate, and second fixing holes are formed in the sliding blocks.
Furthermore, a fixed orifices communicates with each other and is connected with the sliding tray, the inside of a fixed orifices and No. two fixed orifices all is provided with the dead lever, and a fixed orifices passes through dead lever fixed connection with No. two fixed orifices.
Further, the lower extreme of sliding block is provided with the pulley, the pulley is located the inside of sliding tray, and pulley and sliding tray swing joint.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. through the cable placing groove and the extrusion block, one end of the cable can be fixed after the cable is folded, the cable is prevented from loosening, the cable is convenient to pull and take, when the cable is folded, redundant cables are placed in the cable placing groove, then the rotating rod is rotated, the rotating screw rod rotates in the threaded groove, at the moment, the connecting block rotates in the connecting hole, the first limiting block extrudes the upper connecting plate, the connecting rod is connected with the upper connecting plate and the fixed block, the extrusion block moves downwards to extrude the cable in the cable placing groove, the second limiting block is arranged at the lower end of the connecting plate and plays a limiting role, so that the cable is fixed, the loosening condition after the cable is folded is avoided, and when the cable needs to be pulled, the rotating screw rod loosens, the cable can be loosened;
2. the first transmission groove, the second transmission groove and the movable rotating wheel are arranged, so that the cable can be conveniently folded, the situation that the cable is staggered in the folding process is avoided, the folding device saves more labor when being folded, the height of the movable rotating wheel on the first transmission groove is less than that of the movable rotating wheel on the second transmission groove, the height of the cable take-up and pay-off wheel is greater than that of the movable rotating wheel on the first transmission groove, a cable penetrates through the upper end of the movable rotating wheel on the second transmission groove and then penetrates out of the lower end of the movable rotating wheel on the first transmission groove, the movable rotating wheel can rotate in the two groups of rotating ferrules, the penetrated cable enters from the upper end of the cable take-up and pay-off wheel, then winding is carried out on the cable take-up and pay-off wheel, the stirring handle carries out anticlockwise stirring, so that the cable is more labor-saving when being folded, the two groups of movable rotating wheels play a role in limiting the cable, and the situation that the cable is staggered when being folded is avoided;
3. through the sliding tray and the sliding block that set up, can conveniently accomodate cable winding and unwinding devices, when using, keep a certain distance with sliding plate and No. two sliding plates, use the dead lever to fix fixed orifices and No. two fixed orifices, conveniently carry out the operation of receiving and unwinding of cable, after using the completion, sliding plate and No. two sliding plates pass through the inside slip at the sliding tray through the pulley, move to the leftmost side of sliding tray, reuse dead lever to fix sliding plate and No. two sliding plates, thereby realize accomodating cable winding and unwinding devices.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
Fig. 1 is the utility model relates to an electric power is cable winding and unwinding devices's overall structure schematic diagram for experiment.
Fig. 2 is the utility model relates to an enlarged view of upper junction plate and fixed block of cable winding and unwinding devices for electric power test.
Fig. 3 is the utility model relates to a rotatory screw rod's enlarger of cable winding and unwinding devices for electric power test enlarger.
Fig. 4 is the utility model relates to a enlarger of electric power test cable winding and unwinding devices's activity runner.
Fig. 5 is an enlarged view of the second sliding plate of the cable winding and unwinding device for the power test of the present invention.
In the figure: 1. a lower base; 2. a fixing plate; 3. a support bar; 4. a cable take-up and pay-off wheel; 5. a rotating shaft; 6. a first sliding plate; 7. a second sliding plate; 8. a first transmission slot; 9. a second transmission slot; 10. a movable runner; 11. a sliding groove; 12. an upper connecting plate; 13. rotating the screw; 14. a lower side plate; 15. a cable placement slot; 16. a first fixing hole; 17. fixing the rod; 18. a connecting rod; 19. a fixed block; 20. extruding the block; 21. connecting holes; 22. a first limiting block; 23. connecting blocks; 24. a second limiting block; 25. rotating the rod; 26. rotating the ferrule; 27. a slider; 28. a second fixing hole; 29. a pulley.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Example 1
As shown in fig. 1-4, a cable retracting device for an electric power test comprises a lower base 1, a fixed plate 2 is fixedly installed on one side of the upper end of the lower base 1, two sets of support rods 3 are fixedly installed on the upper end of the fixed plate 2, a rotating shaft 5 is movably installed on the two sets of support rods 3, a cable retracting wheel 4 is fixedly installed outside the rotating shaft 5, a stirring handle is arranged at the front end of the rotating shaft 5, a first sliding plate 6 and a second sliding plate 7 are respectively arranged on the upper end of the lower base 1, the first sliding plate 6 is positioned on one side of the second sliding plate 7, a first transmission groove 8 is formed in the first sliding plate 6, a second transmission groove 9 is formed in the second sliding plate 7, two sets of rotating ferrules 26 are fixedly installed inside the first transmission groove 8 and the second transmission groove 9, a movable rotating runner 10 is movably installed inside the two sets of rotating ferrules 26, a threaded groove is formed, threaded groove's inside movable mounting has rotating screw 13, the equal fixed mounting in upper end both sides of rotating screw 13 has dwang 25, rotating screw 13's lower extreme fixed mounting has stopper 22 No. one, required stopper 22's lower extreme fixed mounting has connecting block 23, connecting block 23's lower extreme fixed mounting has stopper 24 No. two, the inside movable mounting of transmission groove 8 has upper junction plate 12, connecting hole 21 has been seted up to upper junction plate 12's upper end, threaded groove communicates with each other with transmission groove 8 and is connected, connecting block 23 is located the inside of connecting hole 21, and connecting block 23 and connecting hole 21 swing joint, stopper 22 and stopper 24 No. two are located upper and lower both ends of upper junction plate 12 respectively.
The lower extreme fixed mounting of upper junction plate 12 has two sets of connecting rods 18, the lower extreme fixed mounting of connecting rod 18 has fixed block 19, the lower extreme fixed mounting of fixed block 19 has extrusion piece 20, the equal fixed mounting in both sides of sliding plate 6 has lower side plate 14, cable standing groove 15 has all been seted up on two sets of lower side plates 14 and transmission tank 8, two sets of fixed blocks 19 are located the both sides of sliding plate 6 respectively, upper junction plate 12 is located the upper end of activity runner 10, extrusion piece 20 is located the upper end of cable standing groove 15, the shape of cable standing groove 15 is semi-circular, when cable is placed on cable standing groove 15, the first half of cable is extrudeed by extrusion piece 20, thereby realize the fixed to the cable.
By adopting the technical scheme: through the cable placing groove 15 and the extrusion block 20, one end of the cable can be fixed after the cable is folded, the cable is prevented from loosening, the cable can be conveniently pulled and taken, after the cable is folded, redundant cables are placed in the cable placing groove 15, then the rotating rod 25 is rotated, the rotating screw 13 rotates in the threaded groove, at the moment, the connecting block 23 rotates in the connecting hole 21, the first limiting block 22 extrudes the upper connecting plate 12, the connecting rod 18 is connected with the upper connecting plate 12 and the fixing block 19, the extrusion block 20 moves downwards to extrude the cable in the cable placing groove 15, the second limiting block 24 is arranged at the lower end of the upper connecting plate 12 to play a limiting role, so that the cable is fixed, and the loosening condition after the cable is folded is avoided, when the cable needs to be pulled, the rotating screw 13 is loosened, and the cable can be loosened.
Example 2
As shown in fig. 1-4, a cable winding and unwinding device for an electric power test comprises a lower base 1, a fixed plate 2 is fixedly installed on one side of the upper end of the lower base 1, two sets of support rods 3 are fixedly installed on the upper end of the fixed plate 2, a rotating shaft 5 is movably installed on the two sets of support rods 3, a cable winding and unwinding wheel 4 is fixedly installed outside the rotating shaft 5, a stirring handle is arranged at the front end of the rotating shaft 5, a first sliding plate 6 and a second sliding plate 7 are respectively arranged on the upper end of the lower base 1, the first sliding plate 6 is located on one side of the second sliding plate 7, a first transmission groove 8 is formed in the first sliding plate 6, a second transmission groove 9 is formed in the second sliding plate 7, two sets of rotating ferrules 26 are fixedly installed inside the first transmission groove 8 and the second transmission groove 9, a movable rotating wheel 10 is movably installed inside the two sets of rotating ferrules 26, and the movable wheel 10 can.
By adopting the technical scheme: the cable can be conveniently furled through the first transmission groove 8, the second transmission groove 9 and the movable rotating wheel 10, the situation that the cable is staggered in the furling process is avoided, more labor is saved in the furling process, the height of the movable rotating wheel 10 on the first transmission groove 8 is smaller than that of the movable rotating wheel 10 on the second transmission groove 9, the height of the cable take-up and pay-off wheel 4 is larger than that of the movable rotating wheel 10 on the first transmission groove 8, the cable penetrates through the upper end of the movable rotating wheel 10 on the second transmission groove 9 and then penetrates out of the lower end of the movable rotating wheel 10 on the first transmission groove 8, the movable rotating wheel 10 can rotate inside the two groups of rotating ferrules 26, the penetrated cable enters from the upper end of the cable take-up and pay-off wheel 4 and then is wound on the cable take-up and pay-off wheel 4, the stirring handle performs anticlockwise stirring, the labor is saved when the cable is furled, and the two groups of movable rotating wheels 10 play, the situation that the cable is misplaced when being folded is avoided.
Example 3
As shown in fig. 1-5, a cable winding and unwinding device for electric power tests comprises a lower base 1, a fixed plate 2 is fixedly mounted on one side of the upper end of the lower base 1, two groups of support rods 3 are fixedly mounted on the upper end of the fixed plate 2, a rotating shaft 5 is movably mounted on the two groups of support rods 3, a cable winding and unwinding wheel 4 is fixedly mounted outside the rotating shaft 5, a stirring handle is arranged at the front end of the rotating shaft 5, a first sliding plate 6 and a second sliding plate 7 are respectively arranged at the upper end of the lower base 1, the first sliding plate 6 is located on one side of the second sliding plate 7, two groups of sliding grooves 11 are formed in the upper end of the lower base 1, four groups of first fixing holes 16 are formed in two sides of the lower base 1, two groups of sliding blocks 27 are fixedly mounted at the lower ends of the first sliding.
First fixed orifices 16 communicates with each other with sliding tray 11 and is connected, the inside of fixed orifices 16 and No. two fixed orifices 28 all is provided with dead lever 17, and fixed orifices 16 and No. two fixed orifices 28 pass through dead lever 17 fixed connection, the lower extreme of sliding block 27 is provided with pulley 29, pulley 29 is located the inside of sliding tray 11, and pulley 29 and sliding tray 11 swing joint, during the use, the distance between sliding plate 6 and No. two sliding plates 7 equals with the distance between two sets of adjacent fixed orifices 16, conveniently carry out the operation of drawing in of cable, when accomodating, sliding plate 6 is fixed at leftmost fixed orifices 16, sliding plate 7 hugs closely and fixes at sliding plate 6 No. two, conveniently accomodate.
By adopting the technical scheme: through the sliding tray 11 and the sliding block 27 that set up, can conveniently accomodate cable winding and unwinding devices, when using, keep a certain distance with sliding plate 6 and No. two sliding plates 7, use dead lever 17 to fix fixed orifices 16 and No. two fixed orifices 28, conveniently carry out the operation of receiving and unwinding of cable, after the use is accomplished, sliding plate 6 and No. two sliding plates 7 pass through pulley 29 and slide in sliding tray 11's inside, move to the leftmost side of sliding tray 11, reuse dead lever 17 to fix sliding plate 6 and No. two sliding plates 7, thereby realize accomodating cable winding and unwinding devices.
It should be noted that the utility model relates to a cable winding and unwinding device for electric power test, firstly, the device is placed on the horizontal ground, the lower base 1 plays a role of supporting and fixing the device, the upper end of the lower base 1 is fixed with a fixing plate 2, a supporting rod 3 is fixed on the fixing plate 2, a cable winding and unwinding wheel 4 can rotate on the supporting rod 3 through a rotating shaft 5, the cable can be driven to wind on the cable winding and unwinding wheel 4 through a stirring handle, the height of a movable rotating wheel 10 on a first transmission groove 8 is less than that of a movable rotating wheel 10 on a second transmission groove 9, the height of the cable winding and unwinding wheel 4 is greater than that of the movable rotating wheel 10 on the first transmission groove 8, the cable penetrates through the upper end of the movable rotating wheel 10 on the second transmission groove 9 and then penetrates out from the lower end of the movable rotating wheel 10 on the first transmission groove 8, the movable rotating wheel 10 can rotate inside two groups of rotating ferrules 26, the cable that comes out gets into from the upper end of cable receiving and releasing wheel 4, then twine on cable receiving and releasing wheel 4, stir the handle and stir anticlockwise, make the cable more laborsaving when drawing in, two sets of movable runners 10 have played the spacing effect to the cable, the condition that the dislocation appears when drawing in the cable has been avoided, after the winding is accomplished, reserve the cable of enough length and fix, after the cable is drawn in and is accomplished, put unnecessary cable into the inside of cable standing groove 15, then through rotating dwang 25, make rotatory screw 13 rotate in the inside of thread groove, at this moment, connecting block 23 rotates in the inside of connecting hole 21, and a stopper 22 extrudes upper junction plate 12, connecting rod 18 connects upper junction plate 12 and fixed block 19, make extrusion block 20 move down and extrude the cable in cable standing groove 15, cable standing groove 15 sets up in two sets of lower side plates 14 and the upper end of a transmission trough 8, the second limiting block 24 is arranged at the lower end of the upper connecting plate 12 to play a limiting role, so that the cable is fixed, the situation that the cable is loosened after being furled is avoided, when the cable needs to be pulled, the rotating screw 13 is loosened, the cable can be loosened, when the cable collecting device is used, the first sliding plate 6 and the second sliding plate 7 are kept at a certain distance, the first fixing hole 16 and the second fixing hole 28 are fixed by using the fixing rod 17, the cable collecting and releasing operation is convenient to carry out, when the cable collecting device is used, the first sliding plate 6 and the second sliding plate 7 slide in the sliding groove 11 through the pulley 29, the pulley 29 is arranged at the lower end of the sliding block 27, the sliding block moves to the leftmost side of the sliding groove 11, the first sliding plate 6 and the second sliding plate 7 are fixed by using the fixing rod 17, and the cable collecting and releasing device is realized, the use of people is convenient, and the utility model is more practical.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a cable winding and unwinding devices for electric power test, includes lower base (1), its characterized in that: a fixed plate (2) is fixedly mounted on one side of the upper end of the lower base (1), two groups of supporting rods (3) are fixedly mounted on the upper end of the fixed plate (2), a rotating shaft (5) is movably mounted on the two groups of supporting rods (3), a cable take-up and pay-off wheel (4) is fixedly mounted on the outer portion of the rotating shaft (5), a stirring handle is arranged at the front end of the rotating shaft (5), a first sliding plate (6) and a second sliding plate (7) are respectively arranged on the upper end of the lower base (1), the first sliding plate (6) is located on one side of the second sliding plate (7), a first transmission groove (8) is formed in the first sliding plate (6), a second transmission groove (9) is formed in the second sliding plate (7), and two groups of rotary ferrules (26) are fixedly mounted inside the first transmission groove (8) and the second transmission groove (9), the inner parts of the two groups of rotating ferrules (26) are movably provided with movable rotating wheels (10).
2. The cable reel device for the power test according to claim 1, wherein: a thread groove has been seted up to the upper end of a sliding plate (6), and the inside movable mounting of thread groove has rotating screw (13), the equal fixed mounting in upper end both sides of rotating screw (13) has dwang (25), the lower extreme fixed mounting of rotating screw (13) has stopper (22) No. one, and the lower extreme fixed mounting of required stopper (22) has connecting block (23), the lower extreme fixed mounting of connecting block (23) has stopper (24) No. two, the inside movable mounting of a transmission groove (8) has upper junction plate (12), connecting hole (21) have been seted up to the upper end of upper junction plate (12).
3. The cable reel device for the power test according to claim 2, wherein: thread groove communicates with each other with transmission groove (8) and is connected, connecting block (23) are located the inside of connecting hole (21), and connecting block (23) and connecting hole (21) swing joint, stopper (22) and No. two stopper (24) are located the upper and lower both ends of upper junction plate (12) respectively.
4. The cable reel device for the power test according to claim 2, wherein: the cable fixing device is characterized in that two groups of connecting rods (18) are fixedly mounted at the lower end of the upper connecting plate (12), a fixing block (19) is fixedly mounted at the lower end of each connecting rod (18), an extrusion block (20) is fixedly mounted at the lower end of each fixing block (19), lower side plates (14) are fixedly mounted on two sides of a sliding plate (6), and cable placing grooves (15) are formed in the lower side plates (14) and a transmission groove (8).
5. The cable reel device for the power test according to claim 4, wherein: the two groups of fixed blocks (19) are respectively positioned at two sides of the first sliding plate (6), the upper connecting plate (12) is positioned at the upper end of the movable rotating wheel (10), and the extruding block (20) is positioned at the upper end of the cable placing groove (15).
6. The cable reel device for the power test according to claim 1, wherein: two sets of sliding tray (11) have been seted up to the upper end of lower base (1), four groups fixed orifices (16) have all been seted up to the both sides of lower base (1), the lower extreme fixed mounting of sliding plate (6) and No. two sliding plates (7) has two sets of sliding blocks (27), fixed orifices (28) have been seted up on sliding block (27).
7. The cable reel device for the power test according to claim 6, wherein: the first fixing hole (16) is communicated with the sliding groove (11) and connected with the sliding groove, a fixing rod (17) is arranged inside the first fixing hole (16) and the second fixing hole (28), and the first fixing hole (16) is fixedly connected with the second fixing hole (28) through the fixing rod (17).
8. The cable reel device for the power test according to claim 6, wherein: the lower extreme of sliding block (27) is provided with pulley (29), pulley (29) are located the inside of sliding tray (11), and pulley (29) and sliding tray (11) swing joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922403864.9U CN211521247U (en) | 2019-12-27 | 2019-12-27 | Cable winding and unwinding devices for electric power test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922403864.9U CN211521247U (en) | 2019-12-27 | 2019-12-27 | Cable winding and unwinding devices for electric power test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211521247U true CN211521247U (en) | 2020-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922403864.9U Expired - Fee Related CN211521247U (en) | 2019-12-27 | 2019-12-27 | Cable winding and unwinding devices for electric power test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211521247U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112864950A (en) * | 2021-01-12 | 2021-05-28 | 罗正友 | Cable winding and unwinding devices |
| CN115091545A (en) * | 2022-07-28 | 2022-09-23 | 安徽瑞邦电池有限公司 | Bill drilling device and using method thereof |
-
2019
- 2019-12-27 CN CN201922403864.9U patent/CN211521247U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112864950A (en) * | 2021-01-12 | 2021-05-28 | 罗正友 | Cable winding and unwinding devices |
| CN115091545A (en) * | 2022-07-28 | 2022-09-23 | 安徽瑞邦电池有限公司 | Bill drilling device and using method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200918 Termination date: 20211227 |
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| CF01 | Termination of patent right due to non-payment of annual fee |