CN210655986U - Liftable and levelled triaxial lead screw - Google Patents
Liftable and levelled triaxial lead screw Download PDFInfo
- Publication number
- CN210655986U CN210655986U CN201921563794.7U CN201921563794U CN210655986U CN 210655986 U CN210655986 U CN 210655986U CN 201921563794 U CN201921563794 U CN 201921563794U CN 210655986 U CN210655986 U CN 210655986U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- bottom plate
- plate
- leveling
- lifting
- 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.)
- Expired - Fee Related
Links
- 229910052751 metal Inorganic materials 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 12
- 230000003028 elevating effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 208000004350 Strabismus Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Invalid Beds And Related Equipment (AREA)
Abstract
The utility model relates to an elevating system technical field just discloses a triaxial lead screw of liftable leveling, including the telescopic link, the bottom fixedly connected with bottom plate of telescopic link, the top fixed mounting of bottom plate has quantity to be three rotating electrical machines, the top fixedly connected with of bottom plate is located the slide rail in three rotating electrical machines. This triaxial lead screw of liftable leveling, through starting three rotating electrical machines, make three threaded rod rotate, again through being provided with slide rail and slider sliding connection, thereby the position of movable block has been restricted, thereby make three movable block accessible screw thread through-hole and threaded rod threaded connection and remove towards one side of telescopic link, thereby make the metal connecting rod motion, make backup pad rebound, the telescopic link extension simultaneously, because the spacing and the support of telescopic link and three metal connecting rod, keep the level when having ensured the lift of backup pad, further make the lift of lifter plate more steady, make the safety that whole device used.
Description
Technical Field
The utility model relates to a elevating system technical field specifically is a triaxial lead screw of liftable leveling.
Background
The lifting platform is a multifunctional hoisting loading and unloading mechanical device and can be divided into a fixed type and a movable type, wherein the movable type comprises a straight arm type, a crank arm type, a scissor fork type, a mast type, an aluminum alloy lifting platform and a sleeve cylinder type, and the fixed type comprises a scissor fork type, a guide rail type lifting platform, a chain type lifting platform, a loading and unloading platform, an attached type electric construction platform and the like.
In the prior art, a lifting platform mostly adopts a scissor type lifting structure, a scissor arm of the lifting platform generally adopts a mode that one end is fixed, and the other end is lifted towards the middle in a sliding mode, the center of gravity of the platform can deviate from the central position due to the structure, the potential safety hazard of overturning exists when the lifting height is higher, the lifting platform can be kept stable in the using process, the safety of maintenance personnel and the convenience of maintenance are related, and therefore, the three-shaft lead screw capable of lifting and leveling is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a triaxial lead screw of liftable leveling possesses the stable advantage that goes up and down, solved among the prior art lift platform and adopted more and cut fork elevation structure, it is cut the fork arm and generally adopts one end fixed, the other end goes up and down to middle gliding mode, this kind of structure can make the skew central point of platform focus put, because the focus squints, there is the potential safety hazard of toppling when the lifting height is higher, and lift platform can whether remain stable in the use, the convenient problem of maintenance personal's safety and maintenance is concerned with.
(II) technical scheme
For realizing the stable purpose of above-mentioned lift, the utility model provides a following technical scheme: a lifting and leveling three-axis lead screw comprises a telescopic rod, wherein the bottom of the telescopic rod is fixedly connected with a bottom plate, the top of the bottom plate is fixedly provided with three rotating motors, the top of the bottom plate is fixedly connected with slide rails positioned in the three rotating motors, the top of the bottom plate is fixedly connected with three fixed plates positioned between the three slide rails, the top of the bottom plate is movably provided with three movable blocks, the bottoms of the three movable blocks are fixedly connected with slide blocks respectively connected with the three slide rails in a sliding manner, one ends of output shafts of the three rotating motors are fixedly connected with threaded rods respectively penetrating through the three movable blocks and extending to one side of the three movable blocks close to the telescopic rod and respectively movably connected with the three fixed plates, the tops of the three movable blocks are fixedly connected with bottom U-shaped connecting frames, and the top of the telescopic rod is fixedly connected with a supporting plate, the bottom of the supporting plate is fixedly connected with three top U-shaped connecting frames, the tops of the three bottom U-shaped connecting frames are all hinged with metal connecting rods, one ends of the metal connecting rods are respectively hinged with the three top U-shaped connecting frames, the right side of the top of the bottom plate is fixedly connected with a handrail, the front side and the back side of the bottom plate are both fixedly connected with adjusting bins, the inner walls of the right sides of the two adjusting bins are fixedly provided with electric push rods, the inner walls of the opposite sides of the two adjusting bins are both fixedly connected with two limiting plates, the output shaft of the electric push rod is fixedly connected with a moving rod, one end of the moving rod penetrates through and extends to the moving rod positioned on the left side of the limiting plate on the left side, the bottoms of the two moving rods are both fixedly connected with two top connecting plates, the front side and the back side of the bottom plate are both, four the equal fixed mounting in bottom of movable rod has the universal wheel, equal fixedly connected with supporting leg all around of bottom plate bottom.
Preferably, the three rotating motors are circularly and uniformly distributed by taking the telescopic rod as a circle center, and the three slide rails are circularly and uniformly distributed by taking the telescopic rod as a circle center.
Preferably, three one side that the movable block is close to the telescopic link all is seted up threaded through hole, and is three threaded through hole respectively with three threaded rod threaded connection.
Preferably, the shape of surge bin is the rectangle of an inside fretwork and bottom disappearance, two the carriage release lever all is parallel form with the bottom of bottom plate.
Preferably, a circular through hole is formed in the right side of the limiting plate, and the size of the circular through hole is matched with that of the moving rod.
Preferably, the supporting plate and the bottom plate are parallel, and the two top connecting plates and the two bottom connecting plates on the front side are the same as and symmetrical to the two top connecting plates and the two bottom connecting plates on the back side.
(III) advantageous effects
Compared with the prior art, the utility model provides a triaxial lead screw of liftable leveling possesses following beneficial effect:
the lifting and leveling three-shaft screw rod enables three threaded rods to rotate by starting three rotating motors and enables the three threaded rods to be slidably connected with the sliding block by arranging the sliding rails, thereby limiting the positions of the movable blocks, enabling the three movable blocks to move towards one side of the telescopic rod by being in threaded connection with the threaded rods through threaded through holes, enabling the metal connecting rods to move, enabling the supporting plate to move upwards, enabling the telescopic rods to extend, ensuring the supporting plate to be kept horizontal when being lifted due to the limiting and supporting of the telescopic rods and the three metal connecting rods, further enabling the lifting plate to lift more stably, enabling the whole device to be safe to use, enabling the movable rods to move left and right by starting the electric push rods, further driving the top connecting plate to move left and right, enabling the movable rods to rotate at the hinged parts with the bottom connecting plate, and when the movable rods rotate to proper, can make universal wheel and ground contact, thereby make whole device accessible universal wheel support, further make whole device accessible universal wheel remove, it is more convenient to remove, and when whole device need use, adjustable electric putter, pack up the universal wheel, make whole device support through the supporting leg, thereby make whole device use more stable, the support of whole device can be changed between universal wheel and supporting leg, satisfy different user demands, make whole device use more convenient and practical.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a sectional view of the structure of the present invention;
fig. 3 is a top view of the adjusting bin of the present invention.
In the figure: 1 telescopic link, 2 sliders, 3 slide rails, 4 supporting legs, 5 rotating electrical machines, 6 threaded rods, 7 movable blocks, 8 bottom U-shaped connecting frames, 9 metal connecting rods, 10 top U-shaped connecting frames, 11 supporting plates, 12 handrails, 13 bottom plates, 14 electric push rods, 15 bottom connecting plates, 16 universal wheels, 17 top connecting plates, 18 movable rods, 19 limiting plates, 20 movable rods, 21 adjusting bins and 22 fixing plates.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a lifting and leveling three-axis lead screw comprises a telescopic rod 1, a bottom plate 13 is fixedly connected to the bottom of the telescopic rod 1, the telescopic rod 1 is composed of a loop bar and a moving bar, the inside of the loop bar is movably connected with the moving bar, one end of the moving bar penetrates through and extends to the outside of the loop bar, the bottom of the moving bar is fixedly connected with a limiting block, the moving bar cannot be separated from the loop bar after extending upwards through the limiting block, three rotating motors 5 are fixedly installed on the top of the bottom plate 13, the types of the rotating motors 5 can be Y80M1-2, the three rotating motors 5 are circularly and uniformly distributed by taking the telescopic rod 1 as the center of circle, the top of the bottom plate 13 is fixedly connected with three sliding rails 3 positioned in the three rotating motors 5, the three sliding rails 3 are circularly and uniformly distributed by taking the telescopic rod 1 as the center of circle, the top of, the top of the bottom plate 13 is movably provided with three movable blocks 7, the bottoms of the three movable blocks 7 are fixedly connected with sliding blocks 2 which are respectively connected with three sliding rails 3 in a sliding way, the output shaft of the three rotating motors 5 is fixedly connected with threaded rods 6, one ends of the output shafts of the three rotating motors 5 respectively penetrate through the three movable blocks 7 and extend to one sides of the three movable blocks 7 close to the telescopic rod 1 and are respectively movably connected with three fixed plates 22, one sides of the three movable blocks 7 close to the telescopic rod 1 are respectively provided with threaded through holes which are respectively connected with the three threaded rods 6 in a threaded way, the tops of the three movable blocks 7 are respectively fixedly connected with bottom U-shaped connecting frames 8, the top of the telescopic rod 1 is fixedly connected with a supporting plate 11, the supporting plate 11 is parallel to the bottom plate 13, the bottoms of the supporting plate 11 are fixedly connected with three top U-shaped connecting frames 10, the tops of the three bottom U-shaped connecting frames 8, by starting the three rotating motors 5, the three threaded rods 6 are rotated, and the sliding rails 3 and the sliding blocks 2 are slidably connected, so that the positions of the movable blocks 7 are limited, the three movable blocks 7 can be in threaded connection with the threaded rods 6 through the threaded through holes and move towards one side of the telescopic rod 1, the metal connecting rods 9 move, the supporting plate 11 moves upwards, meanwhile, the telescopic rod 1 extends, due to the limitation and support of the telescopic rod 1 and the three metal connecting rods 9, the horizontal state of the supporting plate 11 during lifting is ensured, further, the lifting of the lifting plate 11 is more stable, the whole device is safe to use, the right side of the top of the bottom plate 13 is fixedly connected with the handrail 12, the front side and the back side of the bottom plate 13 are fixedly connected with the adjusting bins 21, the adjusting bins 21 are in the shape of a rectangle with hollow interior and missing bottoms, and the inner walls on the right sides of the two adjusting bins, the model of the electric push rod 14 can be LT05, the inner walls of the opposite sides of the two regulating bins 21 are fixedly connected with two limit plates 19, one end of an output shaft of the electric push rod 14 is fixedly connected with a moving rod 20, one end of the moving rod 20 penetrates through and extends to the left side of the limit plate 19, the right side of the limit plate 19 is provided with a circular through hole, the size of the circular through hole is matched with the size of the moving rod 20, the two moving rods 20 are parallel to the bottom of the bottom plate 13, the bottoms of the two moving rods 20 are fixedly connected with two top connecting plates 17, the front and the back of the bottom plate 13 are fixedly connected with two bottom connecting plates 15, the two top connecting plates 17 and the bottom connecting plates 15 which are positioned on the front are the same as and symmetrical to each other with the two top connecting plates 17 and the bottom connecting plates 15 which are positioned on the back, the backs of the, universal wheels 16 are fixedly arranged at the bottoms of the four movable rods 18, supporting legs 4 are fixedly connected around the bottom of the bottom plate 13, the movable rods 20 are driven to move left and right by starting the electric push rods 14, so that the top connecting plate 17 is driven to move left and right, the movable rods 18 rotate at the hinged parts with the bottom connecting plate 15, when the movable rods 18 rotate to a proper angle, the universal wheels 16 can be contacted with the ground, so that the whole device can be supported by the universal wheels 16, further the whole device can be moved by the universal wheels 16, the movement is more convenient, when the whole device needs to be used, the electric push rods 14 can be adjusted, the universal wheels 16 are folded, the whole device is supported by the supporting legs 4, the whole device is more stable to use, and the support of the whole device can be switched between the universal wheels 16 and the supporting legs 4, satisfy different user demands, make whole device use more convenient and practical.
In conclusion, the lifting and leveling three-axis screw rod has the advantages that the three threaded rods 6 are rotated by starting the three rotating motors 5, and are slidably connected with the sliding blocks 2 by the arranged sliding rails 3, so that the positions of the movable blocks 7 are limited, the three movable blocks 7 can be in threaded connection with the threaded rods 6 through the threaded through holes and move towards one side of the telescopic rod 1, so that the metal connecting rods 9 move, the supporting plate 11 moves upwards, meanwhile, the telescopic rod 1 extends, the supporting and limiting of the telescopic rod 1 and the three metal connecting rods 9 ensure that the supporting plate 11 is kept horizontal during lifting, further, the lifting of the lifting plate 11 is more stable, the whole device is safe to use, the movable rod 20 moves left and right by starting the electric push rod 14, the top connecting plate 17 is driven to move left and right, and the movable rod 18 rotates at the hinged position with the bottom connecting plate 15, when the movable rod 18 rotates to a proper angle, the universal wheel 16 can be contacted with the ground, so that the whole device can be supported by the universal wheel 16, the whole device can be further moved by the universal wheel 16, the movement is more convenient, when the whole device needs to be used, the electric push rod 14 can be adjusted, the universal wheel 16 is folded, the whole device is supported by the supporting leg 4, the whole device is more stable to use, the support of the whole device can be switched between the universal wheel 16 and the supporting leg 4, different use requirements are met, the whole device is more convenient and practical to use, the problems that in the prior art, a lifting platform mostly adopts a scissor-type lifting structure, a scissor arm of the scissor-type lifting structure is generally fixed at one end, the other end of the scissor-type lifting structure is lifted in a mode of sliding towards the middle, the gravity center of the platform can deviate from the central position due to gravity center deviation are, the potential safety hazard of toppling exists when the lifting height is higher, and whether lift platform can remain stable in the use, the problem of maintenance personal's safety and the convenience of maintenance is related to.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a triaxial lead screw of liftable leveling, includes telescopic link (1), its characterized in that: the bottom of the telescopic rod (1) is fixedly connected with a bottom plate (13), the top of the bottom plate (13) is fixedly provided with three rotating motors (5), the top of the bottom plate (13) is fixedly connected with slide rails (3) positioned in the three rotating motors (5), the top of the bottom plate (13) is fixedly connected with three fixed plates (22) which are positioned between the three slide rails (3), the top of the bottom plate (13) is movably provided with three movable blocks (7), the bottoms of the three movable blocks (7) are fixedly connected with slide blocks (2) which are respectively connected with the three slide rails (3) in a sliding manner, one ends of output shafts of the three rotating motors (5) are respectively penetrated through the three movable blocks (7) and extend to one side of the three movable blocks (7) close to the telescopic rod (1) and are respectively connected with threaded rods (6) which are movably connected with the three fixed plates (22), it is three the equal fixedly connected with bottom U type link (8) in top of movable block (7), the top fixedly connected with backup pad (11) of telescopic link (1), the bottom fixedly connected with quantity of backup pad (11) is three top U type link (10), and is three the top of bottom U type link (8) all articulates there is one end respectively with three top U type link (10) articulated metal connecting rod (9), the right side fixedly connected with handrail (12) at bottom plate (13) top, storehouse (21) are adjusted to the front and the equal fixedly connected with in the back of bottom plate (13), two the inner wall fixed mounting that adjusts storehouse (21) right side has electric putter (14), two the equal fixedly connected with quantity of inner wall of the relative one side of regulation storehouse (21) is two limiting plates (19), the output shaft fixedly connected with one end of electric putter (14) runs through and extends to be located the left limiting plate (19) that moves Move pole (20), two the equal fixedly connected with quantity in bottom of carriage release lever (20) is top connecting plate (17) two, the front of bottom plate (13) bottom and the equal fixedly connected with quantity in the back are bottom connecting plate (15) two, four the back of top connecting plate (17) all articulates have respectively with four bottom connecting plate (15) front articulated movable rod (18), four the equal fixed mounting in bottom of movable rod (18) has universal wheel (16), equal fixedly connected with supporting leg (4) all around of bottom plate (13) bottom.
2. The lifting and leveling three-shaft screw rod according to claim 1, wherein: the three rotating motors (5) are circularly and uniformly distributed by taking the telescopic rod (1) as the circle center, and the three sliding rails (3) are circularly and uniformly distributed by taking the telescopic rod (1) as the circle center.
3. The lifting and leveling three-shaft screw rod according to claim 1, wherein: three one side that movable block (7) are close to telescopic link (1) all sets up threaded through-hole, and is three threaded through-hole respectively with three threaded rod (6) threaded connection.
4. The lifting and leveling three-shaft screw rod according to claim 1, wherein: the shape of surge bin (21) is a rectangle that inside fretwork and bottom are lacked, two carriage release lever (20) all is parallel form with the bottom of bottom plate (13).
5. The lifting and leveling three-shaft screw rod according to claim 1, wherein: the right side of the limiting plate (19) is provided with a circular through hole, and the size of the circular through hole is matched with that of the moving rod (20).
6. The lifting and leveling three-shaft screw rod according to claim 1, wherein: the supporting plate (11) and the bottom plate (13) are parallel, and the top connecting plate (17) and the bottom connecting plate (15) which are positioned on the front side are the same as the top connecting plate (17) and the bottom connecting plate (15) which are positioned on the back side and are symmetrical to each other.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921563794.7U CN210655986U (en) | 2019-09-19 | 2019-09-19 | Liftable and levelled triaxial lead screw |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921563794.7U CN210655986U (en) | 2019-09-19 | 2019-09-19 | Liftable and levelled triaxial lead screw |
Publications (1)
Publication Number | Publication Date |
---|---|
CN210655986U true CN210655986U (en) | 2020-06-02 |
Family
ID=70839510
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201921563794.7U Expired - Fee Related CN210655986U (en) | 2019-09-19 | 2019-09-19 | Liftable and levelled triaxial lead screw |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN210655986U (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112065116A (en) * | 2020-09-17 | 2020-12-11 | 汤凯麟 | Lifting type chairman table with fan |
CN112456379A (en) * | 2020-11-19 | 2021-03-09 | 浙江迪思威电气股份有限公司 | Auxiliary tool for installing isolating switch operating mechanism box |
CN112571929A (en) * | 2020-12-11 | 2021-03-30 | 武汉市派键科技有限公司 | Lifting robot and screen printing equipment comprising same |
CN114029885A (en) * | 2021-11-01 | 2022-02-11 | 安徽安健汽车天窗科技有限公司 | Mounting fixture for automobile skylight |
CN114304979A (en) * | 2022-02-09 | 2022-04-12 | 山东恒富家居科技有限公司 | Memory mattress according with human engineering |
CN114314458A (en) * | 2021-12-31 | 2022-04-12 | 山东圣匠机械制造有限公司 | Rail type lifting operation platform |
-
2019
- 2019-09-19 CN CN201921563794.7U patent/CN210655986U/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112065116A (en) * | 2020-09-17 | 2020-12-11 | 汤凯麟 | Lifting type chairman table with fan |
CN112456379A (en) * | 2020-11-19 | 2021-03-09 | 浙江迪思威电气股份有限公司 | Auxiliary tool for installing isolating switch operating mechanism box |
CN112571929A (en) * | 2020-12-11 | 2021-03-30 | 武汉市派键科技有限公司 | Lifting robot and screen printing equipment comprising same |
CN114029885A (en) * | 2021-11-01 | 2022-02-11 | 安徽安健汽车天窗科技有限公司 | Mounting fixture for automobile skylight |
CN114314458A (en) * | 2021-12-31 | 2022-04-12 | 山东圣匠机械制造有限公司 | Rail type lifting operation platform |
CN114304979A (en) * | 2022-02-09 | 2022-04-12 | 山东恒富家居科技有限公司 | Memory mattress according with human engineering |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN210655986U (en) | Liftable and levelled triaxial lead screw | |
CN205472511U (en) | Stable elevating platform that overhauls | |
CN205472433U (en) | Elevating gear for maintenance | |
CN205346760U (en) | Hoist overhauls uses elevating platform | |
CN108584825A (en) | A kind of electric power overhaul platform that can stablize lifting | |
CN112066281A (en) | Movable lighting lamp | |
CN217264706U (en) | Electric power installation and maintenance platform | |
CN113788446B (en) | High orchard elevator of safe type is with preventing artifical platform that emptys | |
CN113929031A (en) | Mine lifting device with high safety performance | |
CN205381914U (en) | Conveying device | |
CN210656030U (en) | Simple elevator fixing device | |
CN209872174U (en) | Hoisting accessory is used in compressor unit maintenance | |
CN211997384U (en) | Mechanical equipment for transmission | |
CN216235937U (en) | Mine lifting device with high safety performance | |
CN215886193U (en) | Jacking workbench | |
CN221625682U (en) | Combined arm section of crane boom | |
CN221319131U (en) | Automatic framing machine for steel seamless steel cylinder | |
CN212076287U (en) | Vertical lifting platform | |
CN216586175U (en) | Bridge construction is with safe support bracket | |
CN215439472U (en) | High-voltage partial discharge test lifting device | |
CN221168886U (en) | Double-layer connecting rod lifting DJ table | |
CN212992163U (en) | Motor rotor extraction auxiliary device | |
CN215485823U (en) | Ascending frame for electrical fault maintenance | |
CN217264322U (en) | Portable folding hoist and mount portal frame | |
CN221174728U (en) | Conductive immunity test platform |
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: 20200602 |
|
CF01 | Termination of patent right due to non-payment of annual fee |