CN218432492U - Be used for photovoltaic power generation construction to use subassembly conveyer - Google Patents

Be used for photovoltaic power generation construction to use subassembly conveyer Download PDF

Info

Publication number
CN218432492U
CN218432492U CN202222061292.2U CN202222061292U CN218432492U CN 218432492 U CN218432492 U CN 218432492U CN 202222061292 U CN202222061292 U CN 202222061292U CN 218432492 U CN218432492 U CN 218432492U
Authority
CN
China
Prior art keywords
bidirectional screw
groove
fixedly connected
power generation
photovoltaic power
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202222061292.2U
Other languages
Chinese (zh)
Inventor
孙铁强
刘春越
孙文静
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Energy Construction Group Northeast Electric Power Third Engineering Co ltd
Original Assignee
China Energy Construction Group Northeast Electric Power Third Engineering Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Energy Construction Group Northeast Electric Power Third Engineering Co ltd filed Critical China Energy Construction Group Northeast Electric Power Third Engineering Co ltd
Priority to CN202222061292.2U priority Critical patent/CN218432492U/en
Application granted granted Critical
Publication of CN218432492U publication Critical patent/CN218432492U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Photovoltaic Devices (AREA)

Abstract

The utility model discloses a be used for photovoltaic power generation construction to use subassembly conveyer belongs to photovoltaic power generation technical field, including the transport case, the both sides of transport case inner chamber are provided with a plurality of mutually opposite lift grooves respectively, the inner chamber in lift groove all is provided with damper. The utility model discloses in, it is rotatory to utilize first motor to drive first bidirectional screw, it promotes photovoltaic panel assembly's front-back portion to drive the stripper plate through the cooperation between first bidirectional screw and the slider, make photovoltaic panel assembly remove to the middle part of placing the board, it is rotatory to utilize the second motor to drive the second bidirectional screw, it is fixed to extrude the both sides of photovoltaic panel assembly through the stripper block that cooperation between second bidirectional screw and the stripper block drove both sides, the function of fixing photovoltaic panel assembly has been realized, the device can fix arbitrary size's photovoltaic board in addition, the practicality is improved.

Description

Be used for photovoltaic power generation construction to use subassembly conveyer
Technical Field
The utility model relates to a photovoltaic power generation technical field, more specifically say, relate to a be used for photovoltaic power generation construction to use subassembly conveyer.
Background
The photovoltaic power generation is a technology for directly converting light energy into electric energy by utilizing a photovoltaic effect of a semiconductor interface, a key element of the photovoltaic power generation is a solar cell, the solar cells are connected in series and then packaged and protected to form a large-area solar cell module, a photovoltaic power generation device is formed by matching with components such as a power controller and the like, and in the installation process of the solar photovoltaic power generation equipment, the photovoltaic cell module needs to be transported by a transportation device.
The utility model with the publication number of CN212500462U discloses a transportation device for solar photovoltaic power generation construction, which comprises a movable box body and a box door, wherein a groove is formed in the box body, and a supporting plate used for bearing a photovoltaic plate is arranged in the groove through a spring; the rotatable pressure rod is arranged on the rear side in the box body, one end of the pressure rod is in contact with the photovoltaic panel, the transportation device is simple in structure and convenient to use, and the support plate can eliminate the influence of vibration on the photovoltaic panel through the spring on the basis of bearing the photovoltaic panel; still be provided with the depression bar, fix it from the upper and lower both sides of photovoltaic board promptly, restrict the photovoltaic board from the direction of height, ensure to transport stably, because the vibrations that the unevenness of construction ground leads to in the effectual buffering transportation, still carry on spacingly to the photovoltaic board through the cardboard on length direction, carry on spacingly to the photovoltaic board through the baffle in width direction, be applicable to the transportation of the photovoltaic board of different specifications. However, in the above patent scheme: photovoltaic panels of various sizes can be fixed by changing the position of the clamping plate inserted into the clamping groove, and the photovoltaic panels of any size cannot be fixed, so that the limitation is large; and the damping mechanism is only provided with a spring at the lower part of the groove, so that the supporting plate and the upper part of the groove can collide in the vibration process, and the damping effect is influenced. Therefore, the component transportation device for photovoltaic power generation construction is provided.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a be used for photovoltaic power generation construction to use subassembly conveyer, it can realize fixing and transporting arbitrary size's photovoltaic board subassembly.
In order to solve the above problem, the utility model adopts the following technical scheme:
the utility model provides a be used for photovoltaic power generation construction to use subassembly conveyer, includes the transport case, the both sides of transport case inner chamber are provided with a plurality of mutually opposite lift grooves respectively, the inner chamber in lift groove all is provided with damper, one side fixedly connected with backup pad of damper, the spout has been seted up in the backup pad, two the inboard sliding connection of spout places the board, the top surface of placing the board has seted up first driving groove, the inner chamber of first driving groove rotates and is connected with first bidirectional screw rod, the both ends difference screw thread of first bidirectional screw rod has cup jointed the slider, the top of slider extends to the top of placing the board and fixedly connected with fixed establishment respectively, the front fixed mounting of placing the board has first motor, the output shaft of first motor is connected with the one end of first bidirectional screw rod.
As an optimal scheme of the utility model, fixed establishment includes the stripper plate of fixed connection at the slider top, the second transmission groove has been seted up to the medial surface of stripper plate, the inner chamber in second transmission groove rotates and is connected with the bidirectional screw rod of second, the both ends difference screw thread of the bidirectional screw rod of second has cup jointed the extrusion piece, two the one end of extrusion piece all extends to the outside of stripper plate, the bottom surface and the top surface of second transmission groove inner chamber laminate with extrusion piece bottom surface and top surface respectively mutually, the one end fixed mounting of stripper plate has the second motor, the output shaft of second motor is connected with the one end of the bidirectional screw rod of second.
As a preferred scheme of the utility model, damper includes a plurality of gag lever posts of fixed connection at the lift inslot chamber, the elevator has been cup jointed in the outside slip of gag lever post, the top surface and the bottom surface of elevator are fixedly connected with spring respectively, the one end of spring is connected with the top surface and the bottom surface of lift inslot chamber respectively, the one end of elevator extends to the inner chamber and the fixedly connected with backup pad of transport case.
As a preferred scheme of the utility model, the jack has been seted up to the inner wall of spout, the spacing groove has been seted up in the front of placing the board, the inside of placing the board has been seted up and has been promoted the groove, the first magnet piece of inner wall fixedly connected with in promotion groove, the inner chamber sliding connection in promotion groove has the slip post, the one end fixedly connected with bolt of slip post, the one end of bolt extends to the inner chamber of jack, the other end fixedly connected with second magnet piece of slip post, magnetism between second magnet piece and the first magnet piece is the same, the outside fixedly connected with of slip post pulls the post, the one end of pulling the post runs through the spacing groove and extends to the outside and the fixedly connected with handle of placing the board.
As an optimized proposal of the utility model, the side of the slide block is attached to the inner wall of the first transmission groove.
As an optimized proposal of the utility model, the bottom surface of the transport case is fixedly provided with self-locking trundles.
Compared with the prior art, the utility model has the advantages of:
(1) The utility model discloses in, it is rotatory to utilize first motor to drive first bidirectional screw, it promotes photovoltaic panel assembly's front-back portion to drive the stripper plate through the cooperation between first bidirectional screw and the slider, make photovoltaic panel assembly remove to the middle part of placing the board, it is rotatory to utilize the second motor to drive the second bidirectional screw, it is fixed to extrude the both sides of photovoltaic panel assembly through the stripper block that cooperation between second bidirectional screw and the stripper block drove both sides, the function of fixing photovoltaic panel assembly has been realized, make the device can fix arbitrary size's photovoltaic board in addition, the practicality is improved.
(2) The utility model discloses in, when the device takes place to jolt and rock in the transportation, utilize cooperation between gag lever post and the elevator to carry on spacingly to the elevator, make elevator and backup pad can only remove along the axial of gag lever post, the cooperation through spring and elevator carries out the shock attenuation to the vibrations that receive, the upper portion and the lower part of elevator all are provided with the spring in addition, can guarantee to place the board and carry out absorbing effect.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is an internal schematic view of the present invention;
FIG. 3 is a schematic structural view of the damping mechanism of the present invention;
FIG. 4 is a schematic view of the structure of the placing plate of the present invention;
fig. 5 is an internal schematic view of the push groove of the present invention.
The reference numbers in the figures illustrate:
1. a transport case; 2. a lifting groove; 3. a damping mechanism; 4. a lifting block; 5. a spring; 6. a support plate; 7. a chute; 8. a limiting rod; 9. placing a plate; 10. a first transmission groove; 11. a first bidirectional screw; 12. a first motor; 13. a slider; 14. a compression plate; 15. a second transmission groove; 16. a second bidirectional screw rod; 17. a second motor; 18. extruding the block; 19. a push groove; 20. a limiting groove; 21. a first magnet block; 22. a sliding post; 23. a bolt; 24. a second magnet block; 25. pulling the column; 26. a handle; 27. self-locking caster wheels; 28. a fixing mechanism; 29. and (4) inserting the jack.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment is as follows:
referring to fig. 1-5, a module transportation device for photovoltaic power generation construction includes a transportation box 1, a plurality of opposite lifting grooves 2 are respectively arranged on two sides of an inner cavity of the transportation box 1, damping mechanisms 3 are respectively arranged in the inner cavities of the lifting grooves 2, a supporting plate 6 is fixedly connected to one side of each damping mechanism 3, sliding grooves 7 are formed in the supporting plate 6, a placing plate 9 is connected to inner sides of the two sliding grooves 7 in a sliding manner, a first transmission groove 10 is formed in the top surface of the placing plate 9, an inner cavity of the first transmission groove 10 is rotatably connected with a first bidirectional screw rod 11, sliding blocks 13 are respectively sleeved at two ends of the first bidirectional screw rod 11 in a threaded manner, the top ends of the sliding blocks 13 respectively extend to the top of the placing plate 9 and are fixedly connected with a fixing mechanism 28, a first motor 12 is fixedly mounted on the front surface of the placing plate 9, and an output shaft of the first motor 12 is connected with one end of the first bidirectional screw rod 11.
Specifically, referring to fig. 4, the fixing mechanism 28 includes an extrusion plate 14 fixedly connected to the top of the slider 13, a second transmission groove 15 is formed in an inner side surface of the extrusion plate 14, an inner cavity of the second transmission groove 15 is rotatably connected to a second bidirectional screw 16, two ends of the second bidirectional screw 16 are respectively in threaded sleeve connection with the extrusion blocks 18, one ends of the two extrusion blocks 18 extend to the outside of the extrusion plate 14, a bottom surface and a top surface of the inner cavity of the second transmission groove 15 are respectively attached to a bottom surface and a top surface of the extrusion block 18, a second motor 17 is fixedly mounted at one end of the extrusion plate 14, and an output shaft of the second motor 17 is connected to one end of the second bidirectional screw 16.
In this embodiment, the inner wall of the second transmission groove 15 is used for limiting the extrusion block 18, so that the extrusion block 18 can only move along the axial direction of the second bidirectional screw 16, and the two sides of the photovoltaic panel are moved through the extrusion plate 14.
Specifically, please refer to fig. 3, the damping mechanism 3 includes a plurality of limiting rods 8 fixedly connected to the inner cavity of the lifting groove 2, the outer side of the limiting rods 8 is slidably sleeved with a lifting block 4, the top surface and the bottom surface of the lifting block 4 are respectively and fixedly connected with a spring 5, one end of the spring 5 is respectively connected with the top surface and the bottom surface of the inner cavity of the lifting groove 2, and one end of the lifting block 4 extends to the inner cavity of the transportation box 1 and is fixedly connected with a supporting plate 6.
In this embodiment, utilize gag lever post 8 to carry on spacingly to elevator 4 for elevator 4 can only reciprocate, and the spring 5 through elevator 4 top and bottom is to placing the photovoltaic board on placing board 9 and carry out the shock attenuation in addition.
Specifically, referring to fig. 2 and 5, an insertion hole 29 is formed in an inner wall of the sliding groove 7, a limiting groove 20 is formed in the front of the placing plate 9, a pushing groove 19 is formed in the placing plate 9, a first magnet block 21 is fixedly connected to an inner wall of the pushing groove 19, a sliding column 22 is slidably connected to an inner cavity of the pushing groove 19, a bolt 23 is fixedly connected to one end of the sliding column 22, one end of the bolt 23 extends to the inner cavity of the insertion hole 29, a second magnet block 24 is fixedly connected to the other end of the sliding column 22, the second magnet block 24 and the first magnet block 21 have the same magnetism, a pulling column 25 is fixedly connected to the outer side of the sliding column 22, and one end of the pulling column 25 extends to the outside of the placing plate 9 through the limiting groove 20 and is fixedly connected with a handle 26.
In this embodiment, the bolt 23 is pushed to be inserted into the inner cavity of the insertion hole 29 to fix the placement plate 9 by the magnetic repulsion between the limiting groove 20 and the second magnet block 24, the outer diameter of the bolt 23 is matched with the inner diameter of the insertion hole 29, and the inner wall of the limiting groove 20 is attached to the outer side surface of the pulling column 25 to limit the pulling column 25.
Specifically, referring to fig. 4, the side surface of the slider 13 is attached to the inner wall of the first transmission slot 10.
In this embodiment, the inner wall of the first transmission groove 10 is used for limiting the sliding block 13, so that the sliding block 13 can only move along the axial direction of the first bidirectional screw rod 11, and further the extrusion plate 14 is driven to fix the front end and the rear end of the photovoltaic panel.
Specifically, referring to fig. 1, the bottom surface of the transportation box 1 is fixedly provided with self-locking casters 27.
In this embodiment, the device is driven to move by the self-locking caster 27.
The working principle is as follows: when in use, firstly, the handle 26 is held by hand to drive the sliding column 22 and the bolt 23 to move towards one side close to the first magnet block 21, so that the bolt 23 is separated from the inner cavity of the jack 29 to release the fixation of the placing plate 9, then the handle 26 is pulled to drive the placing plate 9 to slide out from the inner cavity of the transport case 1, the photovoltaic panel component to be transported is placed on the top surface of the placing plate 9, the first motor 12 is started to drive the first bidirectional screw rod 11 to rotate, the sliding block 13 and the extrusion plate 14 are driven to move inwards through the matching between the first bidirectional screw rod 11 and the sliding block 13, the front part and the rear part of the photovoltaic panel component are pushed by the extrusion plate 14, so that the photovoltaic panel component moves to the middle part of the placing plate 9, and then the second motor 17 is started to drive the second bidirectional screw rod 16 to rotate, the two-way lead screw 16 of second and the cooperation between the extrusion piece 18 drives the extrusion piece 18 of both sides and moves to the inboard and promote and extrude fixedly to the both sides of photovoltaic board subassembly, at last place board 9 and photovoltaic board subassembly propulsion transport case 1's inner chamber again, utilize the magnetic repulsion between first magnet piece 21 and the second magnet piece 24 to promote the inner chamber that bolt 23 injects jack 29 and fix the position of placing board 9, when the device takes place to jolt and rock in the transportation, utilize the cooperation between gag lever post 8 and the lifter 4 to carry on spacingly to lifter 4, make lifter 4 and backup pad 6 only can move along the axial of gag lever post 8, the vibrations that receive are carried out the shock attenuation through the cooperation of spring 5 and lifter 4, can.
The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the improvement concept of the present invention within the technical scope disclosed in the present invention.

Claims (6)

1. The utility model provides a be used for photovoltaic power generation construction to use subassembly conveyer, includes transport case (1), its characterized in that: the utility model discloses a transport case, including transport case (1), conveying box, spout (11), first bidirectional screw rod (11), conveying box, two, spout (7), shock-absorbing mechanism (3), one side fixedly connected with backup pad (6) of shock-absorbing mechanism (3), spout (7) have been seted up on backup pad (6), two inboard sliding connection of spout (7) places board (9), place the top surface of board (9) and seted up first transmission tank (10), the inner chamber of first transmission tank (10) rotates and is connected with first bidirectional screw rod (11), slider (13) have been cup jointed to the both ends difference screw thread of first bidirectional screw rod (11), the top of slider (13) extends to the top of placing board (9) and fixedly connected with fixed establishment (28) respectively, the front fixed mounting of placing board (9) has first motor (12), the output shaft of first motor (12) is connected with the one end of first bidirectional screw rod (11).
2. The module transportation device for photovoltaic power generation construction according to claim 1, wherein: the fixed mechanism (28) comprises an extrusion plate (14) fixedly connected to the top of the sliding block (13), a second transmission groove (15) is formed in the inner side face of the extrusion plate (14), an inner cavity of the second transmission groove (15) is connected with a second bidirectional screw rod (16) in a rotating mode, extrusion blocks (18) are respectively in threaded sleeve connection with the two ends of the second bidirectional screw rod (16), two extrusion blocks (18) are extended to the outer portion of the extrusion plate (14) through one ends of the extrusion blocks (18), the bottom surface and the top surface of the inner cavity of the second transmission groove (15) are respectively attached to the bottom surface and the top surface of the extrusion blocks (18), a second motor (17) is fixedly mounted at one end of the extrusion plate (14), and an output shaft of the second motor (17) is connected with one end of the second bidirectional screw rod (16).
3. The module transportation device for photovoltaic power generation construction as claimed in claim 1, wherein: damper (3) include a plurality of gag lever posts (8) of fixed connection at lift groove (2) inner chamber, elevator (4) have been cup jointed in the outside slip of gag lever post (8), the top surface and the bottom surface of elevator (4) are fixedly connected with spring (5) respectively, the one end of spring (5) is connected with the top surface and the bottom surface of lift groove (2) inner chamber respectively, the one end of elevator (4) extends to the inner chamber and the fixedly connected with backup pad (6) of transport case (1).
4. The module transportation device for photovoltaic power generation construction according to claim 1, wherein: the improved magnetic bearing is characterized in that a jack (29) is formed in the inner wall of the sliding groove (7), a limiting groove (20) is formed in the front of the placing plate (9), a pushing groove (19) is formed in the placing plate (9), a first magnet block (21) is fixedly connected to the inner wall of the pushing groove (19), a sliding column (22) is connected to the inner cavity of the pushing groove (19) in a sliding mode, a bolt (23) is fixedly connected to one end of the sliding column (22), one end of the bolt (23) extends to the inner cavity of the jack (29), a second magnet block (24) is fixedly connected to the other end of the sliding column (22), magnetism between the second magnet block (24) and the first magnet block (21) is the same, a pulling column (25) is fixedly connected to the outer side of the sliding column (22), and a handle (26) is fixedly connected to one end of the pulling column (25) penetrates through the limiting groove (20) and extends to the outer side of the placing plate (9).
5. The module transportation device for photovoltaic power generation construction according to claim 1, wherein: the side surface of the sliding block (13) is attached to the inner wall of the first transmission groove (10).
6. The module transportation device for photovoltaic power generation construction as claimed in claim 1, wherein: the bottom surface of the transport case (1) is fixedly provided with self-locking caster wheels (27).
CN202222061292.2U 2022-08-07 2022-08-07 Be used for photovoltaic power generation construction to use subassembly conveyer Active CN218432492U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222061292.2U CN218432492U (en) 2022-08-07 2022-08-07 Be used for photovoltaic power generation construction to use subassembly conveyer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222061292.2U CN218432492U (en) 2022-08-07 2022-08-07 Be used for photovoltaic power generation construction to use subassembly conveyer

Publications (1)

Publication Number Publication Date
CN218432492U true CN218432492U (en) 2023-02-03

Family

ID=85092362

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222061292.2U Active CN218432492U (en) 2022-08-07 2022-08-07 Be used for photovoltaic power generation construction to use subassembly conveyer

Country Status (1)

Country Link
CN (1) CN218432492U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116488546A (en) * 2023-04-27 2023-07-25 汉伏能源技术(南京)有限公司 Photovoltaic module's installation device
CN116565948A (en) * 2023-04-27 2023-08-08 华能新能源上海发电有限公司 Modularized photovoltaic power generation system and photovoltaic panel installation auxiliary device
CN117141914A (en) * 2023-10-30 2023-12-01 骥志(江苏)新能源科技有限公司 Photovoltaic module transfer device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116488546A (en) * 2023-04-27 2023-07-25 汉伏能源技术(南京)有限公司 Photovoltaic module's installation device
CN116565948A (en) * 2023-04-27 2023-08-08 华能新能源上海发电有限公司 Modularized photovoltaic power generation system and photovoltaic panel installation auxiliary device
CN116488546B (en) * 2023-04-27 2024-03-26 汉伏能源技术(南京)有限公司 Photovoltaic module's installation device
CN117141914A (en) * 2023-10-30 2023-12-01 骥志(江苏)新能源科技有限公司 Photovoltaic module transfer device
CN117141914B (en) * 2023-10-30 2023-12-26 骥志(江苏)新能源科技有限公司 Photovoltaic module transfer device

Similar Documents

Publication Publication Date Title
CN218432492U (en) Be used for photovoltaic power generation construction to use subassembly conveyer
CN113022672A (en) Photovoltaic module transportation device and using method thereof
CN112003549B (en) Photovoltaic panel device with hail suppression function
CN214543858U (en) Motor drive device with wide adaptability
CN113619928A (en) Low-temperature cell storage device convenient to transport and use method
CN220765133U (en) Logistics turnover box convenient for stacking and used for logistics distribution center
CN209321625U (en) A kind of electro-conductive glass transport damping storage box
CN217778697U (en) Glass transfer device with locate function
CN216269352U (en) Transfer device for beer production
CN221273109U (en) Steel structural component transfer device
CN212197260U (en) Logistics management device
CN217205813U (en) Green construction encloses fender
CN220430187U (en) Wine jar transfer device
CN211666925U (en) Electric fan convenient to remove
CN218316831U (en) Transfer device for producing concrete blocks
CN213138837U (en) Lead-acid batteries recycle handling device
CN218839457U (en) Safe production transfer device for insulating tubular bus
CN219216480U (en) Hydraulic engineering slope protection brick conveyor
CN220562739U (en) High-pressure connecting rod processing and conveying device
CN214532391U (en) Novel electric mortise lock
CN220149133U (en) Container handling device
CN217229016U (en) Bagged material lifting equipment
CN216239818U (en) Prefabricated component transfer device that house construction used
CN116768111B (en) Lifting device for installation of power equipment for power engineering
CN117549732B (en) Small-size sanitation car of pure electric

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant