CN114803777B - Lifting conveying equipment for maintaining power well - Google Patents
Lifting conveying equipment for maintaining power well Download PDFInfo
- Publication number
- CN114803777B CN114803777B CN202210598688.2A CN202210598688A CN114803777B CN 114803777 B CN114803777 B CN 114803777B CN 202210598688 A CN202210598688 A CN 202210598688A CN 114803777 B CN114803777 B CN 114803777B
- Authority
- CN
- China
- Prior art keywords
- mounting
- sliding
- rod
- lifting conveying
- frame
- 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.)
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Links
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000012423 maintenance Methods 0.000 claims description 9
- 244000309464 bull Species 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/0035—Arrangement of driving gear, e.g. location or support
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/0065—Roping
- B66B11/008—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
- B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
- B66B11/0446—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation with screw-nut or worm-screw gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
- B66B11/0476—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation with friction gear, e.g. belt linking motor to sheave
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/06—Door or gate operation of sliding doors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
- B66B9/02—Kinds or types of lifts in, or associated with, buildings or other structures actuated mechanically otherwise than by rope or cable
- B66B9/025—Kinds or types of lifts in, or associated with, buildings or other structures actuated mechanically otherwise than by rope or cable by screw-nut drives
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Automation & Control Theory (AREA)
- Handcart (AREA)
- Warehouses Or Storage Devices (AREA)
Abstract
The invention belongs to the technical field of conveying equipment, in particular to lifting conveying equipment for maintaining an electric well, which aims at the problems that the existing conveying equipment is inconvenient to use, unstable in traction, insufficient in protection measure and large in potential safety hazard. The invention has the advantages of convenient use, stable traction and lifting, good protection measures and great improvement on the use efficiency.
Description
Technical Field
The invention relates to the technical field of conveying equipment, in particular to lifting conveying equipment for maintaining a power well.
Background
The electric power well is a reserved passage for laying electric cables and wires, and the electric power well is a well arranged in a building through pipelines, and the electric cables are sent to units of each household through the well, so that lifting conveying equipment for maintaining the electric power well is needed.
But the existing conveying equipment is inconvenient in use, is not stable enough in traction, and has the defects of insufficient protective measures and large potential safety hazard.
Disclosure of Invention
The invention aims to solve the defects that the conventional conveying equipment is inconvenient to use, unstable in traction, insufficient in protection measures and large in potential safety hazard, and provides lifting conveying equipment for maintaining a power well.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a lifting conveying equipment for electric power well maintenance, which comprises a mounting plate, the bottom symmetry fixed mounting of mounting panel has two auxiliary fixing frames, the top symmetry fixed mounting of mounting panel has two supports, the top fixed mounting of two supports has same roof, symmetrical fixed mounting has four slide bars on roof and the mounting panel, slidable mounting has two slide plates on four slide bars, fixed mounting has same rack on two slide plates, fixed mounting has the link on the rack, the bull stick is installed in the bottom rotation of roof, fixed mounting has the reel on the bull stick, movable mounting has the haulage rope on the reel, haulage rope and link fixed connection, rotate on roof and the mounting panel and install two screw rods, two screw rods correspond with two slide plate threaded connection, two screw rod transmission are connected, one screw rod and bull stick transmission in two screw rods are connected, the top fixed mounting of roof has driving motor, one screw rod fixed connection in driving motor's output shaft and the two screw rods, slidable mounting has the baffle on the rack, two draw-in grooves have been seted up to the symmetry on the baffle, the right side of rack moves and installs fixing device, the right side of rack rotates and installs driving device with movable connection.
Preferably, the two screws are fixedly provided with belt pulleys, and the two belt pulleys are movably provided with the same belt.
Preferably, a driving gear is fixedly arranged on one screw rod of the two screw rods, a transmission gear is fixedly arranged on the rotating rod, and the driving gear is meshed with the transmission gear.
Preferably, the top of roof fixed mounting has the riser, and the left side fixed mounting of riser has the mounting box, and driving motor fixed mounting is in the mounting box.
Preferably, the fixing device comprises a sliding frame, a connecting plate and two clamping plates, wherein the sliding frame is slidably arranged on the right side of the placing frame, the connecting plate is fixedly arranged on the sliding frame, and the two clamping plates are symmetrically and fixedly arranged on the connecting plate.
Preferably, a sliding groove is formed in the sliding frame, a limiting rod is fixedly arranged in the sliding groove, a supporting rod is slidably arranged on the limiting rod, the supporting rod is fixedly connected with the right side of the placing frame, a pressure spring is fixedly arranged in the sliding groove, and the pressure spring is fixedly connected with the supporting rod.
Preferably, the driving device comprises a handle and a connecting rod, the handle is rotatably arranged on the right side of the placing frame, the connecting rod is slidably arranged on the handle, and the bottom end of the connecting rod is movably connected with the sliding frame.
Compared with the prior art, the invention has the advantages that:
(1) According to the scheme, as the mounting plate, the auxiliary fixing frame, the support, the top plate, the sliding rod, the sliding plate, the placing frame, the connecting frame, the rotating rod, the wire wheel, the traction rope, the screw rod, the belt pulley, the belt, the driving gear, the transmission gear, the vertical plate, the mounting box and the driving motor are arranged, the driving motor drives the two screws to rotate, and the two screws drive the two sliding plates to move so as to drive the placing frame to move and adjust the height, and meanwhile, the wire wheel is driven to rotate, the placing frame is driven to move in an auxiliary manner, and the stability during traction is ensured;
(2) The baffle is arranged, the clamping groove, the sliding frame, the sliding groove, the limiting rod, the supporting rod, the pressure spring, the connecting plate, the clamping plate, the handle and the connecting rod, so that the safety of people or cargoes is ensured not to fall off easily when the baffle is arranged, the baffle is convenient to open, the use efficiency is greatly improved, and the potential safety hazard is reduced.
The invention has the advantages of convenient use, stable traction and lifting, good protection measures and great improvement on the use efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a lifting conveying device for maintaining a power well according to the present invention;
fig. 2 is a schematic view of a three-dimensional structure of a rack of lifting conveying equipment for maintaining a power well;
fig. 3 is a schematic diagram of a rack, a baffle and a handle of lifting conveying equipment for maintaining a power well;
FIG. 4 is a schematic diagram of a side view and a cross-section of a rack, a baffle and the like of a lifting conveying device for maintaining a power well;
FIG. 5 is a schematic diagram of a cross-sectional structure of a carriage of a lifting conveying device for maintenance of a power well;
fig. 6 is a schematic diagram of a structure of a clamping plate of a lifting conveying device for maintaining a power well;
fig. 7 is a schematic diagram of a part a of the lifting conveying device for repairing a power well in fig. 1;
fig. 8 is a schematic diagram of a part B of the lifting conveying device for repairing a power well in fig. 4 according to the present invention.
In the figure: 1. a mounting plate; 2. an auxiliary fixing frame; 3. a bracket; 4. a top plate; 5. a slide bar; 6. a slide plate; 7. a placing rack; 8. a connecting frame; 9. a rotating rod; 10. a wire wheel; 11. a traction rope; 12. a screw; 13. a belt pulley; 14. a belt; 15. a drive gear; 16. a transmission gear; 17. a riser; 18. a mounting box; 19. a driving motor; 20. a baffle; 21. a clamping groove; 22. a carriage; 23. a chute; 24. a limit rod; 25. a support rod; 26. a pressure spring; 27. a connecting plate; 28. a clamping plate; 29. a handle; 30. and (5) connecting a rod.
Detailed Description
The technical solution in this embodiment will be clearly and completely described below with reference to the accompanying drawings.
Example 1
Referring to fig. 1-8, a lifting conveying device for maintaining a power well comprises a mounting plate 1, two auxiliary fixing frames 2 are symmetrically and fixedly arranged at the bottom of the mounting plate 1, two supports 3 are symmetrically and fixedly arranged at the top of the mounting plate 1, the same top plate 4 is fixedly arranged at the top of the two supports 3, four sliding rods 5 are symmetrically and fixedly arranged on the top plate 4 and the mounting plate 1, two sliding plates 6 are slidably arranged on the four sliding rods 5, the same placing frame 7 is fixedly arranged on the two sliding plates 6, a connecting frame 8 is fixedly arranged on the placing frame 7, a rotating rod 9 is rotatably arranged at the bottom of the top plate 4, a wire wheel 10 is fixedly arranged on the rotating rod 9, a traction rope 11 is movably arranged on the wire wheel 10, the traction rope 11 is fixedly connected with the connecting frame 8, two screws 12 are rotatably arranged on the top plate 4 and the mounting plate 1, the two screws 12 are correspondingly in threaded connection with the two sliding plates 6, one screw 12 is in transmission connection with the rotating rod 9, a driving motor 19 is fixedly arranged at the top of the top plate 4, an output shaft of the driving motor 19 is fixedly connected with one of the two screws 12, a clamping frame 7 in the two screws 12 is fixedly connected with the placing frame 7, a side of the two clamping device 20 is fixedly connected with the two clamping frames 20, and a right side baffle is fixedly arranged on the side of the rotating frame 20 is fixedly connected with the rotating device.
In this embodiment, the two screws 12 are fixedly provided with the belt pulleys 13, and the two belt pulleys 13 are movably provided with the same belt 14, so that synchronous rotation of the two screws 12 is ensured.
In this embodiment, a driving gear 15 is fixedly installed on one screw 12 of the two screws 12, and a transmission gear 16 is fixedly installed on the rotating rod 9, and the driving gear 15 is meshed with the transmission gear 16, so that the rotating rod 9 can be driven to rotate when one screw 12 of the two screws 12 rotates.
In this embodiment, the top of the top plate 4 is fixedly provided with a riser 17, the left side of the riser 17 is fixedly provided with a mounting box 18, and a driving motor 19 is fixedly arranged in the mounting box 18, so that stable operation of the driving motor 19 is ensured.
In this embodiment, the fixing device includes a sliding frame 22, a connecting plate 27 and two clamping plates 28, the sliding frame 22 is slidably mounted on the right side of the placing frame 7, the connecting plate 27 is fixedly mounted on the sliding frame 22, and the two clamping plates 28 are symmetrically and fixedly mounted on the connecting plate 27, so that the baffle 20 can be fixed.
In this embodiment, a sliding groove 23 is formed in the sliding frame 22, a limiting rod 24 is fixedly mounted in the sliding groove 23, a supporting rod 25 is slidably mounted on the limiting rod 24, the supporting rod 25 is fixedly connected with the right side of the placing frame 7, a pressure spring 26 is fixedly mounted in the sliding groove 23, the pressure spring 26 is fixedly connected with the supporting rod 25, stable movement of the sliding frame 22 is ensured, and the sliding frame 22 can be reset and kept stable when no thrust is generated.
In this embodiment, the driving device includes a handle 29 and a connecting rod 30, the handle 29 is rotatably mounted on the right side of the rack 7, the connecting rod 30 is slidably mounted on the handle 29, and the bottom end of the connecting rod 30 is movably connected with the sliding frame 22, so as to conveniently drive the sliding frame 22 to move and release the fixation.
Working principle: the auxiliary fixing frame 2 is fixedly arranged at a proper use position through the mounting plate 1, after the auxiliary fixing frame is arranged, goods or staff are placed in the placing frame 7, the baffle 20 is covered in a sliding mode, the baffle 20 can push the two clamping plates 28 to move, after the baffle 20 moves to a certain position, the two clamping plates 28 can reset under the action of the elastic force of the pressure spring 26, and therefore the clamping plates are clamped into the two clamping grooves 21, stability of the baffle 20 is guaranteed, safety of the goods and the staff is guaranteed, the driving motor 19 is started, the driving motor 19 drives one of the two threaded rods 12 to rotate, one of the two threaded rods 12 drives the other threaded rod 12 to rotate through the two belt pulleys 13 and the belt 14, the two threaded rods 12 drive the two sliding plates 6 to move, meanwhile, one of the two threaded rods 12 drives the rotating rod 9 to rotate through the driving gear 15 and the transmission gear 16, the rotating rod 9 drives the wire wheel 10 to rotate, and the wire wheel 10 drives the traction frame 7 through the traction rope 11 and the connecting frame 8 to further guarantee stability.
Example two
Referring to fig. 1-8, a lifting conveying device for maintaining a power well comprises a mounting plate 1, two auxiliary fixing frames 2 are symmetrically and fixedly arranged at the bottom of the mounting plate 1, two supports 3 are symmetrically and fixedly arranged at the top of the mounting plate 1, the same top plate 4 is fixedly arranged at the top of the two supports 3, four sliding rods 5 are symmetrically and fixedly arranged on the top plate 4 and the mounting plate 1, two sliding plates 6 are slidably arranged on the four sliding rods 5, the same placing frame 7 is fixedly arranged on the two sliding plates 6, a connecting frame 8 is fixedly arranged on the placing frame 7, a rotating rod 9 is rotatably arranged at the bottom of the top plate 4, a wire wheel 10 is fixedly arranged on the rotating rod 9, a traction rope 11 is movably arranged on the wire wheel 10, the traction rope 11 is fixedly connected with the connecting frame 8, two screws 12 are rotatably arranged on the top plate 4 and the mounting plate 1, the two screws 12 are correspondingly in threaded connection with the two sliding plates 6, one screw 12 is in transmission connection with the rotating rod 9, a driving motor 19 is fixedly arranged at the top of the top plate 4, an output shaft of the driving motor 19 is fixedly connected with one screw 12 of the two screws 12, a connecting frame 7 is fixedly connected with the placing frame 7 of the two screws 12, a line of sight of the two screws 20 is fixedly arranged on the two side of the placing frames 20, a movable baffle 20 is fixedly connected with the right side of the placing frame is rotatably arranged on the side of the device, and the right side of the device is fixedly arranged on the right side of the device is rotatably and is fixedly connected with the right side of the device.
In this embodiment, the two screws 12 are fixedly provided with the belt pulleys 13, and the two belt pulleys 13 are movably provided with the same belt 14, so that synchronous rotation of the two screws 12 is ensured.
In this embodiment, a driving gear 15 is fixedly installed on one screw 12 of the two screws 12, and a transmission gear 16 is fixedly installed on the rotating rod 9, and the driving gear 15 is meshed with the transmission gear 16, so that the rotating rod 9 can be driven to rotate when one screw 12 of the two screws 12 rotates.
In this embodiment, the top of the top plate 4 is fixedly provided with a riser 17, the left side of the riser 17 is fixedly provided with a mounting box 18, and a driving motor 19 is fixedly arranged in the mounting box 18, so that stable operation of the driving motor 19 is ensured.
In this embodiment, the fixing device includes a sliding frame 22, a connecting plate 27 and two clamping plates 28, the sliding frame 22 is slidably mounted on the right side of the placing frame 7, the connecting plate 27 is fixedly mounted on the sliding frame 22, and the two clamping plates 28 are symmetrically and fixedly mounted on the connecting plate 27, so that the baffle 20 can be fixed.
In this embodiment, a sliding groove 23 is formed in the sliding frame 22, a limiting rod 24 is fixedly mounted in the sliding groove 23, a supporting rod 25 is slidably mounted on the limiting rod 24, the supporting rod 25 is fixedly connected with the right side of the placing frame 7, a pressure spring 26 is fixedly mounted in the sliding groove 23, the pressure spring 26 is fixedly connected with the supporting rod 25, stable movement of the sliding frame 22 is ensured, and the sliding frame 22 can be reset and kept stable when no thrust is generated.
In this embodiment, the driving device includes a handle 29 and a connecting rod 30, the handle 29 is rotatably mounted on the right side of the rack 7, the connecting rod 30 is slidably mounted on the handle 29, and the bottom end of the connecting rod 30 is movably connected with the sliding frame 22, so as to conveniently drive the sliding frame 22 to move and release the fixation.
The second embodiment is different from the first embodiment in that an illuminating lamp is additionally arranged on the placing frame 7, so that the sight is improved during operation.
Claims (8)
1. The utility model provides a lifting conveying device for electric well maintenance, which comprises a mounting plate (1), and is characterized in that, the bottom symmetry fixed mounting of mounting panel (1) has two auxiliary fixing frames (2), the top symmetry fixed mounting of mounting panel (1) has two supports (3), the top fixed mounting of two supports (3) has same roof (4), symmetrical fixed mounting has four slide bars (5) on roof (4) and mounting panel (1), sliding mounting has two slide plates (6) on four slide bars (5), fixed mounting has same rack (7) on two slide plates (6), fixed mounting has link (8) on rack (7), the bottom rotation of roof (4) is installed bull stick (9), fixed mounting has wire wheel (10) on bull stick (9), movable mounting has haulage rope (11) on wire wheel (10), haulage rope (11) and link (8) fixed connection, rotationally install two screw rods (12) on roof (4) and mounting panel (1), two screw rods (12) correspond and two slide plates (6) threaded connection, one of two screw rods (12) are connected with screw rod (19) in the fixed mounting of roof (4), an output shaft of the driving motor (19) is fixedly connected with one screw (12) of the two screws (12), a baffle (20) is slidably installed on the placing frame (7), two clamping grooves (21) are symmetrically formed in the baffle (20), a fixing device is installed on the right side of the placing frame (7) in a sliding mode, a driving device is installed on the right side of the placing frame (7) in a rotating mode, and the driving device is movably connected with the fixing device.
2. Lifting conveying equipment for electric well maintenance according to claim 1, characterized in that two screws (12) are fixedly provided with belt pulleys (13), and two belt pulleys (13) are movably provided with the same belt (14).
3. The lifting conveying device for electric well maintenance according to claim 1, wherein a driving gear (15) is fixedly arranged on one screw (12) of the two screws (12), a transmission gear (16) is fixedly arranged on the rotating rod (9), and the driving gear (15) is meshed with the transmission gear (16).
4. Lifting conveying device for electric well maintenance according to claim 1, characterized in that the top of the top plate (4) is fixedly provided with a riser (17), the left side of the riser (17) is fixedly provided with a mounting box (18), and the driving motor (19) is fixedly arranged in the mounting box (18).
5. Lifting and conveying equipment for electric well maintenance according to claim 1, characterized in that the fixing device comprises a sliding frame (22), a connecting plate (27) and two clamping plates (28), wherein the sliding frame (22) is slidably mounted on the right side of the placing frame (7), the connecting plate (27) is fixedly mounted on the sliding frame (22), and the two clamping plates (28) are symmetrically and fixedly mounted on the connecting plate (27).
6. The lifting conveying device for maintaining the electric power well according to claim 5, wherein a chute (23) is formed in the sliding frame (22), a limiting rod (24) is fixedly installed in the chute (23), a supporting rod (25) is slidably installed on the limiting rod (24), and the supporting rod (25) is fixedly connected with the right side of the placing frame (7).
7. The lifting conveying device for power well maintenance according to claim 6, wherein a pressure spring (26) is fixedly arranged in the sliding groove (23), and the pressure spring (26) is fixedly connected with the supporting rod (25).
8. The lifting conveying device for electric well maintenance according to claim 1, wherein the driving device comprises a handle (29) and a connecting rod (30), the handle (29) is rotatably arranged on the right side of the placing frame (7), the connecting rod (30) is slidably arranged on the handle (29), and the bottom end of the connecting rod (30) is movably connected with the sliding frame (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210598688.2A CN114803777B (en) | 2022-05-30 | 2022-05-30 | Lifting conveying equipment for maintaining power well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210598688.2A CN114803777B (en) | 2022-05-30 | 2022-05-30 | Lifting conveying equipment for maintaining power well |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114803777A CN114803777A (en) | 2022-07-29 |
| CN114803777B true CN114803777B (en) | 2024-04-09 |
Family
ID=82519448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210598688.2A Active CN114803777B (en) | 2022-05-30 | 2022-05-30 | Lifting conveying equipment for maintaining power well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114803777B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211337849U (en) * | 2019-12-30 | 2020-08-25 | 重庆庆研机电设备有限公司 | Conveying frame structure convenient to carry |
| WO2020228858A2 (en) * | 2020-07-29 | 2020-11-19 | 苏州诺纳可电子科技有限公司 | Vehicle lifting device |
| CN212246069U (en) * | 2020-05-22 | 2020-12-29 | 江苏诺邦建材有限公司 | Supplementary hoisting device of mud jacking material raw materials |
| CN212356389U (en) * | 2020-04-07 | 2021-01-15 | 福建省恩典建设工程有限公司 | Liftable support for construction engineering construction |
| CN212406135U (en) * | 2020-04-11 | 2021-01-26 | 无锡文汇机械有限公司 | Positioning support for pre-assembling steel structural member |
-
2022
- 2022-05-30 CN CN202210598688.2A patent/CN114803777B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211337849U (en) * | 2019-12-30 | 2020-08-25 | 重庆庆研机电设备有限公司 | Conveying frame structure convenient to carry |
| CN212356389U (en) * | 2020-04-07 | 2021-01-15 | 福建省恩典建设工程有限公司 | Liftable support for construction engineering construction |
| CN212406135U (en) * | 2020-04-11 | 2021-01-26 | 无锡文汇机械有限公司 | Positioning support for pre-assembling steel structural member |
| CN212246069U (en) * | 2020-05-22 | 2020-12-29 | 江苏诺邦建材有限公司 | Supplementary hoisting device of mud jacking material raw materials |
| WO2020228858A2 (en) * | 2020-07-29 | 2020-11-19 | 苏州诺纳可电子科技有限公司 | Vehicle lifting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114803777A (en) | 2022-07-29 |
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