CN210608313U - Cable laying auxiliary device - Google Patents
Cable laying auxiliary device Download PDFInfo
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- CN210608313U CN210608313U CN201922044455.4U CN201922044455U CN210608313U CN 210608313 U CN210608313 U CN 210608313U CN 201922044455 U CN201922044455 U CN 201922044455U CN 210608313 U CN210608313 U CN 210608313U
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- 238000003825 pressing Methods 0.000 claims description 28
- 238000004804 winding Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 13
- 239000004020 conductor Substances 0.000 description 11
- 238000010276 construction Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Abstract
The utility model relates to a cable laying auxiliary device relates to cable installation technical field, include the mounting bracket and install the drum on the mounting bracket, the mounting bracket below is fixed with the base, be provided with the tray on the base, the mounting bracket is fixed in on the tray, be provided with line ball mechanism on the tray, line ball mechanism is including setting up the lifter on the tray, the lifter has two and symmetry setting, the lifter top is provided with the mount pad, the lifter rotates with the mount pad to be connected, be fixed with the erection column on the mount pad, it is connected with the connecting rod to rotate on the erection column, be provided with the telescopic link on the connecting rod, the connecting rod rotates with the telescopic link to be connected, the one end that the connecting rod was kept away from to the telescopic link is fixed with the connection bearing, the level is fixed with line ball. The cable wire reel can enable the cable wire to be difficult to rebound to the wire reel to cause the cable wire on the cable wire reel to be loose or messy when the cable wire is cut off, and the cable can be pulled and stopped along with the pulling.
Description
Technical Field
The utility model relates to a cable installation technical field, concretely relates to cable laying auxiliary device.
Background
With the increasing demand of people for electric power, the speed of electric power construction is also increasing, and cables are used more and more as common electric power transmission in electric power. At present, when the cable laying operation is carried out, a multipurpose cable pay-off rack carries out paying off, and a cable drum is fixed on a shaft lever of the cable pay-off rack. In a power construction site, a cable pay-off rack is a common construction tool, and plays an important role in the power construction site.
The prior art refers to a Chinese utility model patent with an authorization publication number of CN206767335U, the utility model relates to a cable pay-off rack, which belongs to the technical field of cable laying equipment and comprises a support frame and a shaft lever, wherein a bracket is arranged on the support frame through a jack, and the shaft lever is movably arranged between the support frames through the bracket; the bracket is semicircular, and a plurality of rollers are arranged on the inner wall of the bracket. This cable pay off rack is through installing a plurality of gyro wheels on the bracket inner wall, can effectively reduce the coefficient of friction between axostylus axostyle and the bracket, through the centering piece of symmetry form installation on the axostylus axostyle, can make the cable drum in different apertures use the axostylus axostyle to rotate as the axle center, and it is big to have solved coefficient of friction between current axostylus axostyle and the bracket, causes the difficult rotation of cable drum, not only influences and releases efficiency, has also increased the problem of the amount of labour. The cable pay-off rack is simple in structure and good in practicability, can be used for paying off cable coils with various apertures, and has positive significance for improving the cable pay-off efficiency and reducing the labor intensity.
But has the following disadvantages: in the process of pulling the cable, the cable is cut short, the cable is easy to rebound, the cable on the cable drum is messy, and the cable cannot be pulled and stopped at any time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cable laying auxiliary device which can keep the cable lines on a wire coil neat when the wires are pulled; when the cable is cut off, the cable is not easy to reversely bounce to the cable drum, so that the cable on the cable drum is loose or messy, and the cable can be pulled and stopped along with pulling.
The above object of the present invention can be achieved by the following technical solutions:
the utility model provides a cable laying auxiliary device, include the mounting bracket and install the drum on the mounting bracket, the mounting bracket below is fixed with the base, be provided with the tray on the base, the mounting bracket is fixed in on the tray, be provided with line ball mechanism on the tray, line ball mechanism is including setting up the lifter on the tray, the lifter has two and symmetry setting, the lifter top is provided with the mount pad, the lifter rotates with the mount pad to be connected, be fixed with the erection column on the mount pad, it is connected with the connecting rod to rotate on the erection column, be provided with the telescopic link on the connecting rod, the connecting rod rotates with the telescopic link to be connected, the one end that the connecting rod was kept away from to the telescopic link is fixed with the connection bearing, the level is fixed.
Through adopting above-mentioned technical scheme, with on cable conductor rolling cable drum, then install cable drum on the mounting bracket, then according to the height of the altitude mixture control lifter of cable conductor, make the cylinder press on the cable. Because the roller presses the cable all the time, when the cable is pulled, the roller can keep the cable on the wire coil neat; when the cable is cut off, the cable is not easy to rebound to the wire coil to cause the cable to be loose or messy due to the fact that the roller presses the cable, and the cable can be pulled to stop along with the pulling.
The utility model discloses further set up to: the telescopic rod comprises a sleeve, a spring arranged in the sleeve and a connecting column fixedly connected to the spring, the connecting rod is rotatably connected with the sleeve, one end of the spring is fixed in the sleeve, the other end of the spring is fixedly connected with the connecting column, and the sleeve is sleeved outside the connecting column; the end of the connecting column far away from the spring is fixedly connected with the connecting bearing.
Through adopting above-mentioned technical scheme, when the cylinder pressed on the cable conductor, the spring was in compression state, along with the gradual reduction of cable conductor on the drum, the spring extends gradually, and the elasticity of spring makes the cylinder keep pushing down the cable conductor.
The utility model discloses further set up to: the lifting rod comprises a sleeve fixed on the tray and a rod body in threaded connection with the sleeve, the sleeve is sleeved outside the rod body, and the rod body is rotatably connected with the mounting seat.
Through adopting above-mentioned technical scheme, can be according to the height of cable on the drum, the rotatory body of rod comes the height of adjusting the body of rod, makes the cylinder push down the cable conductor.
The utility model discloses further set up to: the connecting rod is provided with a winding and unwinding mechanism, the winding and unwinding mechanism comprises two wire coils fixed on the connecting rod, the two wire coils are symmetrically fixed above two ends of the wire pressing rod, a hanging wire is wound on the wire coils, one end of the hanging wire is fixed on the wire coils, and the other end of the hanging wire is fixed on the wire pressing rod; the one end fixedly connected with driven pulley of connecting rod, the driven pulley below is provided with driving pulley, and driving pulley and driven pulley pass through the belt and connect, and driving pulley installs on the sleeve pipe.
Through adopting above-mentioned technical scheme, rotate the drive pulley, the drive pulley rotates and drives the driven pulley and rotate, and the driven pulley rotates and drives the connecting rod and rotate, and the connecting rod rotates and drives the line book and rotate, realizes receiving and releasing of hanging wire to mention or put down the gyro wheel.
The utility model discloses further set up to: the driving belt pulley is provided with a positioning column, the driving belt pulley is provided with a through hole, the through hole is a threaded hole, the position of the sleeve corresponding to the through hole is provided with a positioning hole, and the positioning column is in threaded connection with the through hole and can be inserted into the positioning hole.
By adopting the technical scheme, the positioning column is rotated and inserted into the positioning hole, so that the driving belt pulley can be locked, and the driving belt pulley cannot rotate, so that the roller is positioned; the positioning column is rotated to separate the positioning column from the positioning hole, and then the driving belt pulley can be rotated.
The utility model discloses further set up to: the driving belt pulley is fixed with a handle.
Through adopting above-mentioned technical scheme, through the handle, conveniently rotate the driving pulley.
The utility model discloses further set up to: the tray is rotatably connected with the base.
Through adopting above-mentioned technical scheme, can rotate the tray according to the difference of cable conductor installation angle, the tray drives the drum on the mounting bracket and rotates to satisfy and carry out the installation of cable conductor at different angles, reduced because of the installation angle is different, the trouble of installer adjustment back and forth, only need rotatory tray can.
The utility model discloses further set up to: the shallow slot has been seted up on the base, and the tray rotates to be connected in the shallow slot, and the shallow slot bottom surface is fixed with a plurality of spacing teeth, and spacing tooth ring-type distribution has spacing subassembly in the shallow slot, and the tray lower surface is seted up flutedly, and spacing subassembly includes spacing post and installs the elastic component in the recess, and elastic component one end is fixed in the recess, and the other end and spacing post fixed connection, the one end that the elastic component was kept away from to spacing post are the conical surface.
Through adopting above-mentioned technical scheme, rotate the tray hard, extrude spacing post, make the elastic component compression, spacing post slides to the spacing groove on from spacing tooth, can realize the tray location.
The utility model discloses further set up to: the base is provided with universal wheels.
By adopting the technical scheme, the labor can be saved, and the wire coil can be pushed more laborsavingly.
To sum up, the utility model discloses a beneficial technological effect does:
1. the roller presses the cables, and the cables on the wire coil can be kept neat when the cables are pulled; when the cable is cut off, the cable is not easy to rebound to the wire coil to cause the cable to be loose or messy, and the cable can be pulled and stopped at any time;
2. the wire pressing rod is lifted and lowered by winding and unwinding a wire through the wire coil;
3. can rotate the tray according to the difference of cable conductor installation angle and change the angle of drum, make the cable conductor on the drum be difficult for dragging and draw easy to assemble.
Drawings
Fig. 1 is an overall schematic view of the present invention;
FIG. 2 is a schematic view showing a partial structure of a spacing tooth;
FIG. 3 is a partial exploded view of the bottom surface of the tray;
FIG. 4 is a schematic view showing the structure of the position limiting assembly;
FIG. 5 is an enlarged view of portion A of FIG. 1;
FIG. 6 is a partial cross-sectional view showing the interior of the telescoping rod and the installation of the line bar and the drum;
fig. 7 is a partially exploded view showing the positioning post and positioning hole.
Reference numerals: 1. a mounting frame; 2. a cable spool; 3. a base; 31. limiting teeth; 32. a universal wheel; 4. a tray; 41. a limiting component; 411. a limiting column; 412. an elastic member; 5. a wire pressing mechanism; 51. a lifting rod; 511. a sleeve; 512. a rod body; 513. positioning holes; 52. a mounting seat; 53. mounting a column; 54. a connecting rod; 55. a telescopic rod; 551. a sleeve; 552. a spring; 553. connecting columns; 56. a bearing; 57. a wire pressing rod; 58. a drum; 6. a retraction mechanism; 61. coiling the wire; 611. hanging a wire; 62. a driven pulley; 63. a drive pulley; 631. a through hole; 632. a handle; 64. a belt; 65. and a positioning column.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): the utility model provides a cable laying auxiliary device, refers to figure 1, includes base 3, rotates tray 4 of connecting on base 3 and is fixed in the mounting bracket 1 on tray 4, rotates on mounting bracket 1 and is connected with cable drum 2, installs the line ball mechanism 5 that is used for pushing down the cable conductor on tray 4. The cable is wound on the cable drum 2, the cable drum 2 is mounted on the mounting frame 1, and the cable pressing mechanism 5 presses the cable, so that the cable can be stopped along with pulling in the cable pulling process, and the cable is not easy to rebound after the cable is cut off to cause the cable on the drum to be loose or messy.
Referring to fig. 1, universal wheel 32 is installed to base 3 below, and base 3 can be the cuboid, and universal wheel 32 installs in four angles below of base 3, and universal wheel 32 has self-locking function, promotes cable drum 2 through universal wheel 32, can use manpower sparingly.
Referring to fig. 2, a shallow groove is formed on the base 3, the tray 4 is a circular disc, and the tray 4 is rotatably connected in the shallow groove through a rotating shaft. A plurality of limiting teeth 31 are fixed in the shallow grooves, the limiting teeth 31 are distributed annularly around the rotating shaft, a limiting groove is formed between every two adjacent limiting teeth 31, and the upper surfaces of the limiting teeth 31 are circular arcs.
Referring to fig. 3 and 4, the lower surface of the tray 4 is provided with the limiting component 41, the lower surface of the tray 4 is provided with a groove, the limiting component 41 comprises a limiting column 411 and an elastic member 412 installed in the groove, the elastic member 412 can be an expansion spring, one end of the elastic member 412 is fixed in the groove, the other end of the elastic member is fixed with the limiting column 411, one end of the limiting column 411, which is far away from the elastic member 412, is a conical surface, and in order to reduce friction between the limiting column 411 and the limiting teeth 31, the tip of the conical surface of the limiting column 411 is a spherical end.
According to the needs of installation angle, rotate tray 4 hard, extrude spacing post 411, make elastic component 412 compress, spacing post 411 slides to the spacing groove from spacing tooth 31 on, can realize tray 4 location. Tray 4 drives cable drum 2 on the mounting bracket 1 and rotates the installation in order to adapt to different angles, has reduced the condition that the people got to adapt to installation angle and has taken place, only need the angle of adjustment tray 4 can.
Referring to fig. 1 and 5, the wire pressing mechanism 5 includes two lifting rods 51 mounted on the tray 4, a mounting base 52 mounted on the top end of the lifting rods 51, and mounting posts 53 fixed on the mounting base 52, and the two lifting rods 51 are symmetrically mounted on two sides of the mounting base 1. The lifting rod 51 comprises a sleeve 511 vertically fixed on the tray 4 and a rod body 512 in threaded connection with the sleeve 511, the connecting part of the rod body 512 and the sleeve 511 is provided with threads, and the sleeve 511 is sleeved outside the rod body 512. The rod body 512 is rotatably connected with the mounting seat 52, the mounting posts 53 are rotatably connected with the connecting rod 54, and the connecting rod 54 is rotatably connected between the two mounting posts 53 and is located above the cable drum 2.
Referring to fig. 1 and 6, the wire pressing mechanism 5 further includes a telescopic rod 55 mounted on the connecting rod 54, a bearing 56 fixed below the telescopic rod 55, and a wire pressing rod 57 fixedly connected to the bearing 56, the telescopic rod 55 includes a sleeve 551, a spring 552 mounted in the sleeve 551, and a connecting post 553 fixedly connected to the spring 552, the top end of the sleeve 551 is sealed and has a certain thickness, and the connecting rod 54 is inserted through the sleeve 551 and rotatably connected to the sleeve 551. One end of the spring 552 is fixed on the sleeve 551, the other end is fixedly connected with the connecting column 553, the lower end of the sleeve 551 is open and hollow, and the connecting column 553 can move up and down in the sleeve 551.
Referring to fig. 1 and 6, the wire pressing rod 57 is arranged on the bearing 56 in a penetrating manner, the wire pressing rod 57 is installed above the cable drum 2, the length of the wire pressing rod 57 is slightly smaller than the length of a wire roller of the cable drum 2, and if the length of the wire roller is 80cm, the length of the wire pressing rod 57 is 70 cm. The line pressing rod 57 is a cylindrical rod, and the axis of the line pressing rod 57 is parallel to the axis of the line roller. The outside of the wire pressing rod 57 is rotatably connected with two rollers 58 through fixed bearings, the two rollers 58 are respectively rotatably connected to the wire pressing rods 57 at two ends of the bearing 56 and are flush with the bearing 56, and the rollers 58 are used for pressing the cable.
Referring to fig. 1 and 6, the connecting rod 54 is provided with the retracting mechanism 6, the retracting mechanism 6 includes two coils 61 fixed on the connecting rod 54, the two coils 61 are symmetrically fixed above two ends of the wire pressing rod 57, a hanging wire 611 is wound on the coils 61, one end of the hanging wire 611 is fixed on the coils 61, and the other end of the hanging wire 611 is fixed on the wire pressing rod 57; one end of the connecting rod 54 is fixedly connected with a driven pulley 62, a driving pulley 63 is installed below the driven pulley 62, the driving pulley 63 and the driven pulley 62 are connected through a belt 64, and the driving pulley 63 is installed on the sleeve 511. The driving belt pulley 63 is fixed on the sleeve 511 through a fixing column, the driving belt pulley 63 is rotatably connected with the fixing column, and a handle 632 is fixed on the driving belt pulley 63.
The handle 632 can be rotated to drive the driving pulley 63 to rotate, the driving pulley 63 drives the driven pulley 62 to rotate, the driven pulley 62 drives the connecting rod 54 to rotate, the connecting rod 54 drives the wire coil 61 to rotate, the wire coil 61 can wind and hang the wire 611, and the wire pressing rod 57 is lifted up; the handle 632 is rotated in the reverse direction to lower the wire pressing rod 57 and press the cable on the cable drum 2.
Referring to fig. 7, a through hole 631 is formed in the driving pulley 63, the through hole 631 is a threaded hole, and a positioning column 65 is connected to the through hole 631 through a thread; the sleeve 511 has a positioning hole 513 corresponding to the through hole 631, and the positioning column 65 can be inserted into the positioning hole 513. Rotating the positioning post 65 to separate the positioning post 65 from the positioning hole 513, so as to rotate the driving belt pulley 63; the positioning post 65 is rotated in the opposite direction, so that the positioning post 65 is inserted into the positioning hole 513, and the driving pulley 63 can be fixed, i.e. the driving pulley 63 cannot be rotated.
The working principle of the auxiliary device for laying the cable is as follows:
according to the requirement, the height of the lifting rod 51 is adjusted by rotating the rod body 512, then the positioning column 65 is rotated to separate the positioning column 65 from the positioning hole 513, then the handle 632 is rotated to rotate the driving pulley 63, the driving pulley 63 rotates to drive the driven pulley 62 to rotate, the driven pulley 62 rotates to drive the connecting rod 54 to rotate, and the connecting rod 54 rotates to drive the coil 61 to wind or lengthen the hanging wire 611. When pulling the cable, the driving belt pulley 63 is rotated to lengthen the hanging cable 611, so that the roller 58 presses the cable; when the cable is wound, the handle 632 is rotated in the reverse direction to wind the wire reel 61 around the hanging wire 611, and the drum 58 is lifted up from the cable. According to the difference of installation angle, rotatable tray 4 drives cable drum 2 and rotates in order to adapt to different installation angle's needs.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (9)
1. The utility model provides a cable laying auxiliary device, includes mounting bracket (1) and installs cable drum (2) on mounting bracket (1), its characterized in that: a base (3) is fixed below the mounting rack (1), a tray (4) is arranged on the base (3), the mounting rack (1) is fixed on the tray (4), a wire pressing mechanism (5) is arranged on the tray (4), the wire pressing mechanism (5) comprises two lifting rods (51) arranged on the tray (4), the two lifting rods (51) are symmetrically arranged, a mounting seat (52) is arranged at the top end of each lifting rod (51), the lifting rods (51) are rotatably connected with the mounting seat (52), a mounting column (53) is fixed on the mounting seat (52), a connecting rod (54) is rotatably connected on the mounting column (53), a telescopic rod (55) is arranged on the connecting rod (54), the connecting rod (54) is rotatably connected with the telescopic rod (55), a connecting bearing (56) is fixed at one end, far away from the connecting rod (54), of each telescopic rod (55), a wire pressing rod (57) is horizontally fixed in the connecting bearing (56), the wire pressing rod (57) is sleeved with a roller (58).
2. A cabling auxiliary device according to claim 1, wherein: the telescopic rod (55) comprises a sleeve (551), a spring (552) arranged in the sleeve (551) and a connecting column (553) fixedly connected to the spring (552), the connecting rod (54) is rotatably connected with the sleeve (551), one end of the spring (552) is fixed in the sleeve (551), the other end of the spring (552) is fixedly connected with the connecting column (553), and the sleeve (551) is sleeved outside the connecting column (553); one end of the connecting column (553) far away from the spring (552) is fixedly connected with the connecting bearing (56).
3. A cabling auxiliary device according to claim 2, wherein: the lifting rod (51) comprises a sleeve (511) fixed on the tray (4) and a rod body (512) in threaded connection with the sleeve (511), the sleeve (511) is sleeved outside the rod body (512), and the rod body (512) is rotatably connected with the mounting seat (52).
4. A cabling auxiliary device according to claim 3, wherein: the wire winding and unwinding device is characterized in that a winding and unwinding mechanism (6) is arranged on the connecting rod (54), the winding and unwinding mechanism (6) comprises two wire coils (61) fixed on the connecting rod (54), the two wire coils (61) are symmetrically fixed above two ends of the wire pressing rod (57), a hanging wire (611) is wound on the wire coils (61), one end of the hanging wire (611) is fixed on the wire coils (61), and the other end of the hanging wire (611) is fixed on the wire pressing rod (57); one end fixedly connected with driven pulley (62) of connecting rod (54), driven pulley (62) below is provided with drive pulley (63), and drive pulley (63) and driven pulley (62) pass through belt (64) and connect, and drive pulley (63) are installed on sleeve pipe (511).
5. The cabling auxiliary device of claim 4, wherein: be provided with reference column (65) on drive belt pulley (63), seted up through-hole (631) on drive belt pulley (63), through-hole (631) are the screw hole, and locating hole (513) have been seted up to the position that corresponds through-hole (631) on sleeve pipe (511), and reference column (65) and through-hole (631) threaded connection just can be pegged graft in locating hole (513).
6. A cabling auxiliary device according to claim 5, wherein: a handle (632) is fixed on the driving belt pulley (63).
7. A cabling auxiliary device according to claim 1, wherein: the tray (4) is rotatably connected with the base (3).
8. A cabling auxiliary device according to claim 7, wherein: the shallow slot has been seted up on base (3), tray (4) are rotated and are connected in the shallow slot, the shallow slot bottom surface is fixed with a plurality of spacing teeth (31), spacing tooth (31) ring type distributes in the shallow slot, tray (4) lower surface mounting has spacing subassembly (41), the recess has been seted up to tray (4) lower surface, spacing subassembly (41) are including spacing post (411) and install elastic component (412) in the recess, elastic component (412) one end is fixed in the recess, the other end and spacing post (411) fixed connection, the one end that elastic component (412) were kept away from in spacing post (411) is the conical surface.
9. A cabling auxiliary device according to claim 8, wherein: the base (3) is provided with universal wheels (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922044455.4U CN210608313U (en) | 2019-11-23 | 2019-11-23 | Cable laying auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922044455.4U CN210608313U (en) | 2019-11-23 | 2019-11-23 | Cable laying auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210608313U true CN210608313U (en) | 2020-05-22 |
Family
ID=70690090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922044455.4U Expired - Fee Related CN210608313U (en) | 2019-11-23 | 2019-11-23 | Cable laying auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210608313U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111730582A (en) * | 2020-06-23 | 2020-10-02 | 刘兵 | Fixing base that industrial robot used can inside be adjusted |
| CN112864950A (en) * | 2021-01-12 | 2021-05-28 | 罗正友 | Cable winding and unwinding devices |
| CN113507069A (en) * | 2021-07-13 | 2021-10-15 | 国网湖北省电力有限公司咸宁供电公司 | Multifunctional auxiliary device capable of carrying relay protection debugging instrument |
-
2019
- 2019-11-23 CN CN201922044455.4U patent/CN210608313U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111730582A (en) * | 2020-06-23 | 2020-10-02 | 刘兵 | Fixing base that industrial robot used can inside be adjusted |
| CN111730582B (en) * | 2020-06-23 | 2023-04-28 | 山东军成机械科技有限公司 | Fixing seat capable of being adjusted internally for industrial robot |
| CN112864950A (en) * | 2021-01-12 | 2021-05-28 | 罗正友 | Cable winding and unwinding devices |
| CN113507069A (en) * | 2021-07-13 | 2021-10-15 | 国网湖北省电力有限公司咸宁供电公司 | Multifunctional auxiliary device capable of carrying relay protection debugging instrument |
| CN113507069B (en) * | 2021-07-13 | 2024-05-28 | 国网湖北省电力有限公司咸宁供电公司 | Multifunctional auxiliary device capable of carrying relay protection debugging instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200522 |