CN114920182A - Substation equipment overhauls device - Google Patents
Substation equipment overhauls device Download PDFInfo
- Publication number
- CN114920182A CN114920182A CN202210533823.5A CN202210533823A CN114920182A CN 114920182 A CN114920182 A CN 114920182A CN 202210533823 A CN202210533823 A CN 202210533823A CN 114920182 A CN114920182 A CN 114920182A
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- Prior art keywords
- groove
- fixedly connected
- plate
- hydraulic cylinder
- lifting
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Handcart (AREA)
Abstract
The invention belongs to the technical field of maintenance devices, and particularly discloses a substation equipment maintenance device which comprises a walking device, wherein a bottom plate is arranged at the top of the walking device, a second hydraulic cylinder is vertically connected to the middle of the top surface of the bottom plate, a horizontally arranged lifting plate is fixed at the upper end of the second hydraulic cylinder, a top groove is fixed on the outer wall of the lower portion of the second hydraulic cylinder, the bottom of the top groove is provided with an opening, a lifting groove in sliding fit with the top groove is inserted into the bottom of the top groove, the top of the lifting groove is provided with an opening, the top of the top groove is connected with one end of a plurality of connecting pipes, the other end of each connecting pipe is connected with an air bag, and the air bags horizontally stretch.
Description
Technical Field
The invention belongs to the field of maintenance devices, and particularly discloses a substation equipment maintenance device.
Background
The power transformation equipment is a power facility for transforming voltage, receiving and distributing electric energy, controlling the flow direction of the power and adjusting the voltage in a power system, is generally hung at a high place, but is damaged after being used for a long time, so that the power transformation equipment needs to be maintained, and a power transformation equipment maintenance device is needed. Substation equipment overhauls device among the prior art generally has the function of going up and down, but lacks safety protection, is unfavorable for protecting maintenance personal's safety, consequently needs to improve.
Disclosure of Invention
In view of the above, the present invention provides a substation equipment maintenance device to solve the problems in the prior art.
In order to achieve the above purpose, the invention provides a power transformation equipment maintenance device, which comprises a walking device, wherein a bottom plate is arranged at the top of the walking device, a second hydraulic cylinder is vertically connected to the middle part of the top surface of the bottom plate, a horizontally arranged lifting plate is fixed at the upper end of the second hydraulic cylinder, a top groove is fixed on the outer wall of the lower part of the second hydraulic cylinder, the bottom of the top groove is provided with an opening, a lifting groove in sliding fit with the top groove is inserted into the bottom of the top groove, the top of the lifting groove is provided with an opening, the top of the top groove is connected with one end of a plurality of connecting pipes, the other end of each connecting pipe is connected with an air bag, the air bags horizontally stretch, one end of each air bag is fixedly connected with the bottom plate, the lifting groove is fixedly connected with the lower ends of a plurality of guide rods, the guide rods are vertically arranged, and the rear upper ends of the guide rods, which pass through the top groove in sliding fit with the guide rods, are fixedly connected with end blocks, and a spring is sleeved on the guide rod between the end block and the top groove.
In the above technical scheme, preferably, running gear includes the automobile body, a plurality of walking wheels are installed to the bottom half, be equipped with road wheel pivoted actuating system in the automobile body.
In the above technical scheme, it is preferred, the both sides of automobile body all are equipped with auxiliary stay mechanism, auxiliary stay mechanism includes the telescopic cylinder that the level set up, sliding fit's telescopic link is equipped with to telescopic cylinder interpolation, the tip of telescopic link is connected with first pneumatic cylinder perpendicularly, the lower extreme fixedly connected with backing plate of first pneumatic cylinder, the bottom fixedly connected with connecting block of telescopic link, the one end of the third pneumatic cylinder that connecting block fixed connection level set up, the outer wall of the other end fixed connection automobile body of third pneumatic cylinder.
In the above technical solution, preferably, one side of the lifting plate is fixedly connected with a support, a motor is installed on the upper portion of the support, an output shaft of the motor is coaxially connected with a rotating wheel, an annular wheel groove is arranged on a wheel face of the rotating wheel, a steel cable is wound in the wheel groove, and one end of the steel cable is fixedly connected with a lifting basket.
In above-mentioned technical scheme, it is preferred, the air-bag is equipped with four altogether, the air-bag is the rectangle, the surperficial equidistance of air-bag is equipped with the ring channel.
In the above technical scheme, it is preferred, the one end fixed connection second end plate of gasbag, the connecting pipe passes and is connected with the gasbag behind the second end plate, the top surface of bottom plate is connected perpendicularly to the second end plate, the one end of the second guide arm that a plurality of levels set up is connected perpendicularly to the second end plate, the second guide arm passes behind the gasbag other end and is connected with first end plate jointly, the other end of first end plate fixed connection gasbag.
In the above technical scheme, it is preferred, the edge of lifter plate is connected with the rail perpendicularly, be equipped with exit on the rail, exit department is equipped with the dodge gate, one side of dodge gate rotates through the pivot and connects the rail, the opposite side of dodge gate passes through the lock and connects the rail.
In the above technical solution, preferably, the lifting plate at the lower part of the inlet/outlet is fixedly connected with an auxiliary ladder.
In the above technical solution, preferably, an outer cylinder is disposed in the middle of the top groove, the outer cylinder is sleeved outside the second hydraulic cylinder, an inner cylinder in sliding fit with the outer cylinder is sleeved inside the outer cylinder, and the inner cylinder is disposed in the middle of the lifting groove.
Compared with the prior art, the invention has the following beneficial effects: the invention is provided with a plurality of air bags for protection, and the air bags can be automatically unfolded after the lifting plate is lifted and can be automatically contracted after the lifting plate is dropped, so that the management is convenient.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
FIG. 3 is another schematic structural view of the present invention;
FIG. 4 is a cross-sectional view of the present invention;
fig. 5 is a schematic structural diagram at B in fig. 4.
In the figure: the device comprises a bottom plate 1, a traveling wheel 2, a telescopic cylinder 3, a telescopic rod 4, a first hydraulic cylinder 5, a lifting groove 6, a fence 7, a lifting plate 8, a motor 9, a rotating wheel 10, a top groove 11, an annular groove 12, a first end plate 13, an airbag bag 14, a vehicle body 15, a movable door 16, a door lock 17, an auxiliary ladder 18, a rotating shaft 19, a second hydraulic cylinder 20, a bracket 21, a steel cable 22, a lifting basket 23, a third hydraulic cylinder 24, a connecting block 25, a base plate 26, an inner cylinder 27, a connecting pipe 28, a spring 29, a first guide rod 30, an end block 31, an outer cylinder 32, a second end plate 33 and a second guide rod 34.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments disclosed below.
As shown in fig. 1-5, the substation equipment maintenance device comprises a traveling device, a bottom plate 1 is arranged on the top of the traveling device, a second hydraulic cylinder 20 is vertically connected to the middle of the top surface of the bottom plate 1, a lifting plate 8 horizontally arranged is fixed to the upper end of the second hydraulic cylinder 20, a top groove 11 is fixed to the outer wall of the lower portion of the second hydraulic cylinder 20, the bottom of the top groove 11 is open, a lifting groove 6 slidably fitted to the bottom of the top groove 11 is inserted into the bottom of the top groove 11, the top of the lifting groove 6 is open, the top of the top groove 11 is connected to one end of a plurality of connecting pipes 28, the other end of each connecting pipe 28 is connected to an air bag 14, the air bags 14 horizontally extend and retract, one end of each air bag 14 is fixedly connected to the bottom plate 1, the lifting groove 6 is fixedly connected to the lower ends of a plurality of guide rods 30, the guide rods 30 are vertically arranged, the guide rods 30 penetrate through the top grooves 11 slidably fitted to the end blocks 31, a spring 29 is sleeved on the guide rod 30 between the end block 31 and the top groove 11.
Can conveniently overhaul the removal of device through running gear, second pneumatic cylinder 20 is used for controlling the lift of lifter plate 8, lifter plate 8 is used for the maintainer to use, after lifter plate 8 rises, under the effect of spring 29, lift groove 6 moves upwards, and the lower part fixed connection of roof groove 11 and second pneumatic cylinder 20 keeps static, the air in roof groove 11 and the lift groove 6 just enters into gasbag 14 through connecting pipe 28 like this, gasbag 14 takes place the inflation, expand automatically, can play the effect of falling protection, increase operation personnel's security. When the lifting plate 8 descends, the end block 31 can be pressed to descend, the space between the top groove 11 and the lifting groove 6 is enlarged, and the air in the airbag 14 returns to the space between the top groove 11 and the lifting groove 6 through the connecting pipe 28, so that automatic contraction is realized, and the management is convenient.
The walking device comprises a vehicle body 15, a plurality of walking wheels 2 are mounted at the bottom of the vehicle body 15, and a driving system for driving the walking wheels 2 to rotate is arranged in the vehicle body 15. The both sides of automobile body 15 all are equipped with auxiliary stay mechanism, auxiliary stay mechanism includes telescopic cylinder 3 that the level set up, 3 interpolation of telescopic cylinder are equipped with sliding fit's telescopic link 4 with it, the tip of telescopic link 4 is connected with first pneumatic cylinder 5 perpendicularly, the lower extreme fixedly connected with backing plate 26 of first pneumatic cylinder 5, the bottom fixedly connected with connecting block 25 of telescopic link 4, the one end of third pneumatic cylinder 24 that the connecting block 25 fixed connection level set up, the outer wall of the other end fixed connection automobile body 15 of third pneumatic cylinder 24. The auxiliary supporting mechanism is used for increasing the stability of the device during operation, and during operation, the third hydraulic cylinder 24 drives the telescopic rod 4 to extend out firstly, and then the first hydraulic cylinder 5 extends out, so that the base plate 26 is in contact with the ground, the supporting area of the device is increased, and the effect of stabilizing the device is achieved.
The edge of the lifting plate 8 is vertically connected with a fence 7, an inlet and an outlet are arranged on the fence 7, a movable door 16 is arranged at the inlet and the outlet, one side of the movable door 16 is rotatably connected with the fence 7 through a rotating shaft 19, and the other side of the movable door 16 is connected with the fence 7 through a door lock 17. The fence 7 plays a role of safety protection. The lifting plate 8 at the lower part of the inlet and outlet is fixedly connected with an auxiliary ladder 18. One side of the lifting plate 8 is fixedly connected with a support 21, the upper part of the support 21 is provided with a motor 9, an output shaft of the motor 9 is coaxially connected with a rotating wheel 10, the wheel surface of the rotating wheel 10 is provided with an annular wheel groove, a steel cable 22 is wound in the wheel groove, and one end of the steel cable 22 is fixedly connected with a lifting basket 23. The motor 9 controls the rotating wheel 10 to rotate, the steel cable 22 can be wound through the rotating wheel 10, so that the lifting basket 23 is controlled to lift, and materials and tools can be conveniently taken from the ground through the lifting basket 23.
The number of the air bags 14 is four, the air bags 14 are rectangular, and annular grooves 12 are formed in the surface of each air bag 14 at equal intervals. One end of the airbag 14 is fixedly connected with a second end plate 33, the connecting pipe 28 penetrates through the second end plate 33 and then is connected with the airbag 14, the second end plate 33 is vertically connected with the top surface of the bottom plate 1, the second end plate 33 is vertically connected with one ends of a plurality of horizontally arranged second guide rods 34, the other ends of the second guide rods 34 penetrate through the airbag 14 and are jointly connected with a first end plate 13, and the first end plate 13 is fixedly connected with the other end of the airbag 14. The annular groove 12 is provided to facilitate the expansion and contraction of the airbag 14, and the first end plate 13, the second guide rod 34, and the second end plate 33 are used to guide the contraction and expansion of the airbag 14 such that the airbag 14 can expand and contract in a horizontal direction.
The middle part of the top groove 11 is provided with an outer cylinder 32, the outer cylinder 32 is sleeved outside the second hydraulic cylinder 20, the inner cylinder 27 in sliding fit with the outer cylinder 32 is sleeved inside the outer cylinder 32, and the inner cylinder 27 is arranged in the middle part of the lifting groove 6. The outer cylinder 32 and the inner cylinder 27 cooperate to guide the vertical movement of the lifting groove 6.
The working principle is as follows: running gear is used for overhauing the removal of device, second pneumatic cylinder 20 is used for controlling the lift of lifter plate 8, lifter plate 8 is used for the maintainer to use, after lifter plate 8 rises, the air in apical groove 11 and the lift groove 6 enters into gasbag 14 through connecting pipe 28, gasbag 14 takes place the inflation, expand automatically, can play the effect of fall protection, after lifter plate 8 descends, the air in gasbag 14 gets back to between apical groove 11 and the lift groove 6 through connecting pipe 28, just so realized the automatic shrink of gasbag 14.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The transformer equipment overhauling device comprises a walking device and is characterized in that a bottom plate (1) is arranged at the top of the walking device, a second hydraulic cylinder (20) is vertically connected to the middle of the top surface of the bottom plate (1), a lifting plate (8) horizontally arranged is fixed at the upper end of the second hydraulic cylinder (20), a top groove (11) is fixed on the outer wall of the lower portion of the second hydraulic cylinder (20), the bottom of the top groove (11) is an opening, a lifting groove (6) in sliding fit with the top groove (11) is inserted into the bottom of the top groove, the top of the lifting groove (6) is an opening, the top of the top groove (11) is connected with one end of a plurality of connecting pipes (28), the other end of each connecting pipe (28) is respectively connected with one airbag (14), the airbag (14) is horizontally stretched and contracted, one end of each airbag (14) is fixedly connected with the bottom plate (1), the lifting groove (6) is fixedly connected with the lower ends of the guide rods (30), the guide rods (30) are vertically arranged, the guide rods (30) penetrate through the top groove (11) in sliding fit with the guide rods (30), the rear upper end of the top groove (11) is fixedly connected with an end block (31), and springs (29) are sleeved on the guide rods (30) between the end block (31) and the top groove (11).
2. A substation equipment overhauling device according to claim 1, wherein the traveling device comprises a vehicle body (15), a plurality of traveling wheels (2) are mounted at the bottom of the vehicle body (15), and a driving system for driving the traveling wheels (2) to rotate is arranged in the vehicle body (15).
3. The substation equipment overhauling device according to claim 2, wherein auxiliary supporting mechanisms are arranged on two sides of the trolley body (15) respectively, each auxiliary supporting mechanism comprises a horizontally arranged telescopic cylinder (3), a telescopic rod (4) in sliding fit with the telescopic cylinder (3) is inserted in the telescopic cylinder (3), a first hydraulic cylinder (5) is vertically connected to the end of the telescopic rod (4), a base plate (26) is fixedly connected to the lower end of the first hydraulic cylinder (5), a connecting block (25) is fixedly connected to the bottom of the telescopic rod (4), the connecting block (25) is fixedly connected to one end of a horizontally arranged third hydraulic cylinder (24), and the other end of the third hydraulic cylinder (24) is fixedly connected to the outer wall of the trolley body (15).
4. A transformation equipment overhauling device as claimed in claim 1, wherein a bracket (21) is fixedly connected to one side of the lifting plate (8), a motor (9) is installed on the upper portion of the bracket (21), a rotating wheel (10) is coaxially connected to an output shaft of the motor (9), an annular wheel groove is formed in a wheel surface of the rotating wheel (10), a steel cable (22) is wound in the wheel groove, and a lifting basket (23) is fixedly connected to one end of the steel cable (22).
5. A substation equipment maintenance device according to claim 1, wherein there are four said air bags (14), said air bags (14) are rectangular, and the surface of said air bags (14) is provided with annular grooves (12) at equal intervals.
6. A power transformation equipment overhauling device as claimed in claim 5, wherein one end of the air bag (14) is fixedly connected with a second end plate (33), the connecting pipe (28) penetrates through the second end plate (33) and then is connected with the air bag (14), the second end plate (33) is vertically connected with the top surface of the bottom plate (1), the second end plate (33) is vertically connected with one end of a plurality of horizontally arranged second guide rods (34), the other end of the second guide rods (34) penetrates through the air bag (14) and is commonly connected with the first end plate (13), and the first end plate (13) is fixedly connected with the other end of the air bag (14).
7. A transformation equipment overhauling device as claimed in claim 1, wherein the edge of the lifting plate (8) is vertically connected with a fence (7), the fence (7) is provided with an inlet and an outlet, the inlet and the outlet are provided with a movable door (16), one side of the movable door (16) is rotatably connected with the fence (7) through a rotating shaft (19), and the other side of the movable door (16) is connected with the fence (7) through a door lock (17).
8. A substation equipment overhauling device according to claim 7, characterized in that the lifter plate (8) at the lower part of the access is fixedly connected with an auxiliary ladder (18).
9. A substation equipment maintenance device according to claim 1, wherein an outer cylinder (32) is arranged in the middle of the top groove (11), the outer cylinder (32) is sleeved outside the second hydraulic cylinder (20), an inner cylinder (27) in sliding fit with the outer cylinder (32) is sleeved inside the outer cylinder (32), and the inner cylinder (27) is arranged in the middle of the lifting groove (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210533823.5A CN114920182B (en) | 2022-05-17 | 2022-05-17 | Substation equipment overhauls device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210533823.5A CN114920182B (en) | 2022-05-17 | 2022-05-17 | Substation equipment overhauls device |
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| Publication Number | Publication Date |
|---|---|
| CN114920182A true CN114920182A (en) | 2022-08-19 |
| CN114920182B CN114920182B (en) | 2023-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210533823.5A Active CN114920182B (en) | 2022-05-17 | 2022-05-17 | Substation equipment overhauls device |
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| JPH10218588A (en) * | 1997-02-14 | 1998-08-18 | Aichi Corp | Working arm balancer |
| JP2000043633A (en) * | 1998-07-30 | 2000-02-15 | Toyota Motor Corp | Elevating device for vehicle |
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| US20160304329A1 (en) * | 2013-04-12 | 2016-10-20 | Velvision Oy | Lifting device |
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| CN109694025A (en) * | 2019-01-24 | 2019-04-30 | 江苏能建机电实业集团有限公司 | The back-shaped inspection platform of movable type and application method for heating screen in boiler hearth of circulating fluidized bed |
| CN208883432U (en) * | 2018-08-22 | 2019-05-21 | 汪国付 | A kind of municipal works lifting device of speedily carrying out rescue work |
| CN110480585A (en) * | 2019-08-23 | 2019-11-22 | 十堰盛世龙实业有限公司 | A kind of auxiliary beam support construction of refitted car |
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| CN210193327U (en) * | 2019-06-14 | 2020-03-27 | 江西利强建设有限公司 | Building electrical construction safety device |
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| CN111115528A (en) * | 2020-02-20 | 2020-05-08 | 东阳格盘机械科技有限公司 | Elevator device for preventing collision injury when personnel fall |
| CN210825304U (en) * | 2019-08-15 | 2020-06-23 | 南京威涌沅水电工程有限公司 | Municipal works are with elevating gear that speedily carries out rescue work |
| CN111470457A (en) * | 2020-06-29 | 2020-07-31 | 天津滨电电力工程有限公司 | Operating personnel protection system and overhead working truck using same |
| CN211470697U (en) * | 2020-01-12 | 2020-09-11 | 广州逸璇科技有限公司 | Landscape construction elevating platform |
| CN211813328U (en) * | 2019-12-16 | 2020-10-30 | 闫康 | Power grid construction safety protection equipment |
| CN213802810U (en) * | 2020-11-12 | 2021-07-27 | 中建中新建设工程有限公司 | Dedicated elevating gear of electromechanical installation |
| CN214399716U (en) * | 2021-03-09 | 2021-10-15 | 张天琪 | Electric power engineering electromechanical device overhauls device |
| CN113562671A (en) * | 2021-05-19 | 2021-10-29 | 国网河北省电力有限公司石家庄市藁城区供电分公司 | Special lifting platform for electric power overhaul and maintenance |
| CN215160680U (en) * | 2021-03-01 | 2021-12-14 | 邢台职业技术学院 | Good-safety transportation robot |
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2022
- 2022-05-17 CN CN202210533823.5A patent/CN114920182B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH10218588A (en) * | 1997-02-14 | 1998-08-18 | Aichi Corp | Working arm balancer |
| JP2000043633A (en) * | 1998-07-30 | 2000-02-15 | Toyota Motor Corp | Elevating device for vehicle |
| FR2984294A1 (en) * | 2011-12-19 | 2013-06-21 | Haulotte Group | DEVICE FOR PROTECTING A USER OF AN ELEVATOR AND SURFACE NACELLE INCLUDING SUCH A DEVICE |
| US20160304329A1 (en) * | 2013-04-12 | 2016-10-20 | Velvision Oy | Lifting device |
| CN206735757U (en) * | 2017-05-24 | 2017-12-12 | 国网山东省电力公司平邑县供电公司 | A kind of power construction protector |
| CN208883432U (en) * | 2018-08-22 | 2019-05-21 | 汪国付 | A kind of municipal works lifting device of speedily carrying out rescue work |
| CN109694025A (en) * | 2019-01-24 | 2019-04-30 | 江苏能建机电实业集团有限公司 | The back-shaped inspection platform of movable type and application method for heating screen in boiler hearth of circulating fluidized bed |
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| CN110480585A (en) * | 2019-08-23 | 2019-11-22 | 十堰盛世龙实业有限公司 | A kind of auxiliary beam support construction of refitted car |
| CN111115523A (en) * | 2019-11-25 | 2020-05-08 | 国网山东省电力公司滨州市沾化区供电公司 | Special logistics support vehicle for electric power operation and maintenance |
| CN211813328U (en) * | 2019-12-16 | 2020-10-30 | 闫康 | Power grid construction safety protection equipment |
| CN211470697U (en) * | 2020-01-12 | 2020-09-11 | 广州逸璇科技有限公司 | Landscape construction elevating platform |
| CN111115528A (en) * | 2020-02-20 | 2020-05-08 | 东阳格盘机械科技有限公司 | Elevator device for preventing collision injury when personnel fall |
| CN111470457A (en) * | 2020-06-29 | 2020-07-31 | 天津滨电电力工程有限公司 | Operating personnel protection system and overhead working truck using same |
| CN213802810U (en) * | 2020-11-12 | 2021-07-27 | 中建中新建设工程有限公司 | Dedicated elevating gear of electromechanical installation |
| CN215160680U (en) * | 2021-03-01 | 2021-12-14 | 邢台职业技术学院 | Good-safety transportation robot |
| CN214399716U (en) * | 2021-03-09 | 2021-10-15 | 张天琪 | Electric power engineering electromechanical device overhauls device |
| CN113562671A (en) * | 2021-05-19 | 2021-10-29 | 国网河北省电力有限公司石家庄市藁城区供电分公司 | Special lifting platform for electric power overhaul and maintenance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114920182B (en) | 2023-07-14 |
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