CN114506801A - Street lamp overhauls automatic lifting device for municipal works - Google Patents
Street lamp overhauls automatic lifting device for municipal works Download PDFInfo
- Publication number
- CN114506801A CN114506801A CN202210142756.4A CN202210142756A CN114506801A CN 114506801 A CN114506801 A CN 114506801A CN 202210142756 A CN202210142756 A CN 202210142756A CN 114506801 A CN114506801 A CN 114506801A
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- Prior art keywords
- fixed block
- street lamp
- gear
- lifting device
- workstation
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- 238000005452 bending Methods 0.000 claims abstract description 19
- 230000005611 electricity Effects 0.000 claims 3
- 238000000034 method Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000004904 shortening Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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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
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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
- 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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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
- E06C1/383—Foldable ladders in which the longitudinal members are brought together on folding
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C5/00—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles
- E06C5/02—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles with rigid longitudinal members
- E06C5/04—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles with rigid longitudinal members capable of being elevated or extended ; Fastening means during transport, e.g. mechanical, hydraulic
- E06C5/16—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles with rigid longitudinal members capable of being elevated or extended ; Fastening means during transport, e.g. mechanical, hydraulic using mechanical transmission only, with or without fluid or other non-mechanical couplings or clutches
- E06C5/18—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles with rigid longitudinal members capable of being elevated or extended ; Fastening means during transport, e.g. mechanical, hydraulic using mechanical transmission only, with or without fluid or other non-mechanical couplings or clutches using power from the motor of the vehicle or another motor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The utility model belongs to the technical field of garden equipment and specifically relates to a street lamp detects automatic lifting device for municipal works, including the automobile body, be provided with the fixed block on the automobile body, the lateral wall of fixed block is provided with along the rotatory 90 arm of buckling of vertical direction, it is connected with the fixed block rotation to buckle arm one end, it is connected with L type pole to buckle the arm other end rotation, the workstation that the level set up is connected with to the one end that the arm that buckles was kept away from to L type pole, the lateral wall of L type pole is provided with the stopper, the stopper is connected with the hinge bar, hinge bar one end is articulated with the fixed block, the other end and the fixed block of hinge bar are articulated, the fixed block is provided with and is used for controlling the arm pivoted driving piece that buckles. According to the invention, the driving piece drives the bending arm to rotate in the vertical direction, so that the height of the workbench can be stably reduced when the street lamp overhauling device is not used, the street lamp overhauling device can conveniently pass through certain height-limited road sections, and the working efficiency of overhauling the street lamp is improved.
Description
Technical Field
The invention relates to the field of garden equipment, in particular to an automatic lifting device for street lamp maintenance for municipal engineering.
Background
With the acceleration of the urbanization process of China, the street lamps on the market are various. For street lamp failure, the problem is mostly occurred on the cable. In this regard, accurate human analysis and machine detection are required, and thus a streetlamp overhaul lifting device is required to help a worker repair a specific faulty streetlamp.
In the related art, the street lamp detection lifting device comprises a vehicle body and a crank arm arranged at the top of the vehicle body, one end of the crank arm is connected with the vehicle body, the other end of the crank arm is connected with a workbench, but a plurality of height-limited road sections are arranged on a road, the crank arm is difficult to bend at a large angle, and the lowest height which can be reached is difficult to pass through a plurality of height-limited passing areas on the market, so that the street lamp detection lifting device can only pass through the road sections which are not limited in height.
Aiming at the related technologies, the inventor thinks that the disadvantage is that the crank arm is difficult to bend to a larger angle to pass through the height-limited road section, resulting in lower street lamp overhauling efficiency.
Disclosure of Invention
In order to improve the difficult great angle of bending of crank arm, be difficult to the problem through the limit for height highway section, this application provides a street lamp overhauls automatic lifting device for municipal works.
The application provides a street lamp overhauls automatic lifting device for municipal works adopts following technical scheme:
the utility model provides a street lamp overhauls automatic lifting device for municipal works, includes the automobile body, be provided with the fixed block on the automobile body, the lateral wall of fixed block is provided with along the rotatory 90 the arm of buckling of vertical direction, it rotates with the fixed block to buckle arm one end and is connected, the arm other end that buckles rotates is connected with L type pole, the L type pole is kept away from the one end of the arm that buckles and is connected with the workstation that the level set up, the lateral wall of L type pole is provided with the stopper, the stopper is connected with the hinge bar, hinge bar one end with the stopper is articulated, the other end and the fixed block of hinge bar are articulated, the fixed block is provided with and is used for controlling the arm pivoted driving piece that buckles.
Through adopting above-mentioned technical scheme, when the tool car was walked on the road, the arm of buckling through the driving piece drive rotated downwards to the setting up of stopper makes the arm of buckling be vertical state or horizontality, and the workstation is the horizontality.
Optionally, the L-shaped rod is rotatably connected to the table, and the L-shaped rod is provided with a power assembly for driving the table to rotate horizontally around the L-shaped rod.
Through adopting above-mentioned technical scheme, after the workstation risees, power component drive workstation rotates around L type pole level to make the convenient distance and the position of adjusting the workstation for waiting to overhaul the street lamp of staff.
Optionally, power component includes that first gear, driving motor and fixed cover establish the last second gear of driving motor output shaft, first gear and second gear intermeshing, the cavity has been seted up to the bottom of workstation, first gear is fixed to be set up the inner wall of cavity is seted up to the workstation, driving motor and L type pole fixed connection, the workstation bottom is seted up and is supplied driving motor's output shaft male arc wall.
Through adopting above-mentioned technical scheme, driving motor during operation drives the second gear and rotates, and the second gear drives first gear and rotates, thereby because the inner wall fixed connection that cavity was seted up to first gear and workstation drives the workstation and rotates for the workstation horizontal rotation is more stable.
Optionally, the safety ladder is arranged at the bottom of the workbench, and the workbench is provided with a telescopic assembly for controlling the folding of the safety ladder.
Through adopting above-mentioned technical scheme, the emergency ladder is folding at the lower surface of workstation in usual time, and when the driving piece that control workbench rises and descend breaks down, the staff can control the emergency ladder through flexible subassembly and extend to descend to ground by the emergency ladder, improved the security of staff during operation.
Optionally, flexible subassembly includes the pivot, is used for control emergency staircase pivoted connecting rod, with workstation articulated electric jar, the fixed gasket that sets up in the workstation bottom, pivot and emergency staircase fixed connection, and the gasket is seted up and is supplied pivot male through-hole, behind the pivot inserted through-hole with connecting rod fixed connection, the connecting rod keep away from the pivot one end with the output shaft of electric jar is articulated, when the electric jar is the state of shortening, the emergency staircase is the extension state.
By adopting the technical scheme, when the safety ladder needs to be used, a worker controls the electric cylinder to be shortened, the output shaft of the electric cylinder pulls the connecting rod and drives the rotating shaft to rotate, and the safety ladder is driven to rotate towards the direction far away from the bottom of the workbench in the rotating process of the rotating shaft; when the staff controlled the electric jar to extend, the output shaft pulling connecting rod of electric jar and drive the pivot rotatory, and pivot pivoted in-process drove the emergency ladder to rotating to the direction that is close to the workstation bottom to make the emergency ladder fold the lower surface at the workstation.
Optionally, the safety ladder includes first section, second section and is used for connecting first section with the L type connecting rod of second section, first section with L type connecting rod is articulated, second section with L type connecting rod is articulated, L type connecting rod still rotates and is connected with the rocker, rocker one end rotates with L type connecting rod and is connected, the other end of rocker with the gasket rotates and is connected, first section fixedly connected with third gear, second section fixedly connected with fourth gear, the third gear with the fourth gear meshes mutually.
Through adopting above-mentioned technical scheme, when the setting up of rocker made the electric jar extend, L type connecting rod rotated around the flex point of L type connecting rod simultaneously, and L type connecting rod pivoted in-process drove the fourth gear and upwards overturn around the third gear, further folded the emergency staircase, set up the emergency staircase that makes things convenient for folding length bigger like this, improved the security of staff's during operation.
Optionally, the upper surface of the vehicle body is provided with a guide rail for the fixed block to slide horizontally, the fixed block is provided with a sliding chute for the guide rail to insert, and the vehicle body is provided with a cylinder for driving the fixed block to slide horizontally.
Through adopting above-mentioned technical scheme, after the automobile body unstability, the output shaft extension of cylinder can control the workstation and be following the direction of advance back-and-forth movement of overhauing the dolly with shortening, has the beneficial effect of conveniently adjusting the workstation position.
Optionally, the driving piece includes first motor, first motor and fixed block fixed connection, the fixed cover of output shaft of first motor is equipped with the worm wheel, the fixed block rotates and is provided with and is used for controlling the arm pivoted worm that bends, the worm wheel with worm intermeshing.
Through adopting above-mentioned technical scheme, drive the rotation of bending arm through the worm gear structure, have bigger drive ratio for it is more stable when first motor control bending arm rotates.
In summary, the present application includes at least one of the following benefits:
when the maintenance car walked on the road, buckled the arm through the driving piece drive and rotate downwards to the setting up of stopper makes the arm of buckling no matter be vertical state or horizontality, and the workstation is the horizontality.
Drawings
Fig. 1 is a perspective view of a street lamp overhauls automatic lifting device for municipal works according to an embodiment of the application.
Fig. 2 is an enlarged schematic view of a point a in fig. 1 according to an embodiment of the present application.
Fig. 3 is a side view of street lamp overhauls automatic lifting device for municipal works according to the embodiment of this application.
Fig. 4 is an enlarged schematic view of B in fig. 1 according to the embodiment of the present application.
Description of reference numerals: 1. a vehicle body; 2. a fixed block; 3. a bending arm; 4. an L-shaped rod; 5. a work table; 6. a limiting block; 7. a hinged lever; 8. a drive member; 9. a power assembly; 10. a cavity; 11. a first gear; 12. a drive motor; 13. a second gear; 14. a worm gear; 15. a worm; 16. a safety ladder; 17. a telescoping assembly; 18. a rotating shaft; 19. a connecting rod; 20. an electric cylinder; 21. a gasket; 22. the upper half section; 23. a lower half section; 24. an L-shaped connecting rod; 25. a rocker; 26. a third gear; 27. a fourth gear; 28. a guide rail; 29. a chute; 30. a cylinder; 31. a first motor.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses street lamp overhauls automatic lifting device for municipal works. Referring to fig. 1, street lamp overhauls automatic lifting device for municipal works includes automobile body 1 and the fixed block 2 of setting on automobile body 1, and the upper surface of automobile body 1 is provided with the guide rail 28 that sets up along automobile body 1 advancing direction, and fixed block 2 has seted up the spout 29 that supplies guide rail 28 to insert, is provided with the cylinder 30 that is used for promoting fixed block 2 to slide on guide rail 28 on automobile body 1.
Referring to fig. 1 and 2, 2 one ends of fixed block are connected with automobile body 1, the other end of fixed block 2 is connected with along the 90 rotatory arm 3 of buckling of vertical direction, the one end that the arm 3 of buckling was kept away from fixed block 2 is rotated and is connected with L type pole 4, the top of L type pole 4 is provided with workstation 5, L type pole 4 is fixed and is provided with stopper 6, it has articulated rod 7 to articulate on the stopper 6, 7 one end of articulated rod is articulated with stopper 6, the other end of articulated rod 7 is articulated with fixed block 2, the setting of articulated rod 7 makes the arm 3 of buckling workstation 5 keep the level in rotatory 90 engineering always, 5 bottoms of workstation are provided with emergency ladder 16.
Referring to fig. 1 and 3, a driving member 8 for controlling the rotation of the bending arm 3 is arranged on the fixing block 2, the driving member 8 includes a first motor 31 and a worm wheel 14 fixedly sleeved on an output shaft of the first motor 31, the fixing block 2 is rotatably provided with a worm 15 for controlling the rotation of the bending arm 3, the bending arm 3 is fixedly connected with the worm 15, and the worm wheel 14 and the worm 15 are engaged with each other. The first motor 31 drives the worm wheel 14 to rotate during operation, so that the control worm 15 drives the bending arm 3 to rotate.
Referring to fig. 3, the L-shaped rod 4 is rotatably connected to the table 5, a power assembly 9 for driving the working sleeve to horizontally rotate around the L-shaped rod 4 is disposed on the L-shaped rod 4, a cavity 10 is disposed at the bottom of the table 5, the power assembly 9 includes a first gear 11 fixedly connected to the table 5, a driving motor 12 and a second gear 13 fixedly secured to an output shaft of the driving motor 12, the first gear 11 and the second gear 13 are engaged with each other, the first gear 11 is disposed on an inner wall of the cavity 10 of the table 5, the driving motor 12 is fixedly connected to the L-shaped rod 4, and an arc-shaped slot (not shown) for inserting the output shaft of the driving motor 12 is disposed at the bottom of the table 5.
Referring to fig. 3 and 4, the working table 5 is provided with a telescopic assembly 17 for controlling the folding of the safety ladder 16, the telescopic assembly 17 comprises a rotating shaft 18, a connecting rod 19 for controlling the rotation of the safety ladder 16, an electric cylinder 20 hinged with the working table 5, and a gasket 21 fixedly arranged at the bottom of the working table 5, the rotating shaft 18 is fixedly connected with the safety ladder 16, the gasket 21 is provided with a through hole for inserting the rotating shaft 18, the rotating shaft 18 is fixedly connected with the connecting rod 19 after being inserted into the through hole, one end of the connecting rod 19 far away from the rotating shaft 18 is hinged with an output shaft of the electric cylinder 20, the safety ladder 16 comprises an upper half section 22, a lower half section 23, and an L-shaped connecting rod 24 for connecting the upper half section 22 and the lower half section 23, the upper half section 22 is hinged with the L-shaped connecting rod 24, the lower half section 23 is hinged with the L-shaped connecting rod 24, the L-shaped connecting rod 24 is further connected with a rocker 25, one end of the rocker 25 is rotatably connected with the L-shaped connecting rod 24, the other end of the rocker 25 is rotatably connected with the gasket 21, the upper half 22 is fixedly connected with a third gear 26, the lower half 23 is fixedly connected with a fourth gear 27, the third gear 26 and the fourth gear 27 are meshed with each other, and the third gear 26 comprises a toothed part and a non-toothed part and is used for enabling the fourth gear 27 to rotate along the third gear 26 at the toothed part.
The embodiment of the application provides a street lamp for municipal works overhauls automatic lifting device's implementation principle does: the bending arm 3 is in a horizontal state at ordinary times, so that the workbench 5 can be greatly lowered and easily passes through a height-limited section on a road when maintenance work is not performed. And in usual time, the output shaft of the electric cylinder 20 is extended to drive the rotating shaft 18 and the connecting rod 19 to rotate, and the upper half section 22 is close to the bottom of the workbench 5, and simultaneously the L-shaped connecting rod 24 is driven to rotate, the L-shaped connecting rod 24 drives the fourth gear 27 to rotate along the third gear 26, and finally the lower half section 23 is driven to be close to the upper half section 22, so that the folding of the safety ladder 16 is realized. When maintenance work is to be carried out, a worker steps into the workbench 5, then the worm wheel 14 and the worm 15 are driven to rotate by the first motor 31, the worm 15 drives the bending arm 3 to rotate, the bending arm 3 is enabled to gradually rotate from a horizontal state to a vertical state, at the moment, the first motor 31 stops rotating, the workbench 5 is guaranteed to be kept in a horizontal state by the arrangement of the L-shaped rod 4 in the rotating process of the bending arm 3, after the workbench 5 is lifted, the worker can control the driving motor 12 to work according to actual conditions, the first gear 11 and the second gear 13 are enabled to rotate, and the first gear 11 drives the workbench 5 to horizontally rotate by taking the L-shaped rod 4 as a shaft.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a street lamp overhauls automatic lifting device for municipal works, includes automobile body (1), be provided with fixed block (2) on automobile body (1), its characterized in that: the lateral wall of fixed block (2) is provided with along the rotatory 90 bending arm (3) of vertical direction, bending arm (3) one end rotates with fixed block (2) to be connected, bending arm (3) other end rotates and is connected with L type pole (4), the one end that bending arm (3) were kept away from in L type pole (4) is connected with workstation (5) that the level set up, the lateral wall of L type pole (4) is provided with stopper (6), stopper (6) are connected with hinge bar (7), hinge bar (7) one end with stopper (6) are articulated, the other end and fixed block (2) of hinge bar (7) are articulated, fixed block (2) are provided with and are used for controlling bending arm (3) pivoted driving piece (8).
2. The automatic lifting device for street lamp overhaul for municipal engineering according to claim 1, characterized in that: l type pole (4) with workstation (5) rotate to be connected, L type pole (4) are provided with and are used for driving workstation (5) around L type pole (4) horizontal rotation's power component (9).
3. The automatic lifting device for street lamp overhaul for municipal engineering according to claim 2, characterized in that: power component (9) are established including first gear (11), driving motor (12) and fixed cover second gear (13) on driving motor (12) output shaft, first gear (11) and second gear (13) intermeshing, cavity (10) have been seted up to the bottom of workstation (5), first gear (11) are fixed to be set up the inner wall of cavity (10) is seted up in workstation (5), driving motor (12) and L type pole (4) fixed connection, the output shaft male arc wall that supplies driving motor (12) is seted up to workstation (5) bottom.
4. The automatic lifting device for street lamp overhaul for municipal engineering according to claim 1, characterized in that: the safety ladder (16) is arranged at the bottom of the working table (5), and the telescopic assembly (17) used for controlling the folding of the safety ladder (16) is arranged on the working table (5).
5. The automatic street lamp overhauling lifting device for municipal engineering according to claim 4, wherein the automatic street lamp overhauling lifting device comprises: flexible subassembly (17) include pivot (18), be used for control emergency ladder (16) pivoted connecting rod (19), with workstation (5) articulated electricity jar (20), fixed gasket (21) that set up in workstation (5) bottom, pivot (18) and emergency ladder (16) fixed connection, and gasket (21) offer supply pivot (18) male through-hole, pivot (18) insert behind the through-hole with connecting rod (19) fixed connection, the one end that pivot (18) were kept away from in connecting rod (19) with the output shaft of electricity jar (20) is articulated, and when electricity jar (20) were the shortened state, emergency ladder (16) were the extension state.
6. The automatic street lamp overhauling lifting device for municipal engineering according to claim 5, wherein the automatic street lamp overhauling lifting device comprises: the safety ladder (16) comprises an upper half section (22), a lower half section (23) and an L-shaped connecting rod (24) used for connecting the upper half section (22) and the lower half section (23), the upper half section (22) is hinged to the L-shaped connecting rod (24), the lower half section (23) is hinged to the L-shaped connecting rod (24), the L-shaped connecting rod (24) is further rotatably connected with a rocker (25), one end of the rocker (25) is rotatably connected with the L-shaped connecting rod (24), the other end of the rocker (25) is rotatably connected with the gasket (21), the upper half section (22) is fixedly connected with a third gear (26), the lower half section (23) is fixedly connected with a fourth gear (27), and the third gear (26) is meshed with the fourth gear (27).
7. The automatic lifting device for street lamp overhaul for municipal engineering according to claim 1, characterized in that: the automobile body (1) upper surface is provided with and supplies fixed block (2) horizontal slip's guide rail (28), fixed block (2) are seted up and are supplied guide rail (28) male spout (29), be provided with on automobile body (1) and be used for driving gliding cylinder (30) of fixed block (2) horizontal direction.
8. The automatic lifting device for street lamp overhaul for municipal engineering according to claim 1, characterized in that: the driving piece (8) comprises a first motor (31), the first motor (31) is fixedly connected with the fixed block (2), a worm wheel (14) is fixedly sleeved on an output shaft of the first motor (31), the fixed block (2) is rotatably provided with a worm (15) used for controlling the rotation of the bending arm (3), and the worm wheel (14) and the worm (15) are meshed with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210142756.4A CN114506801A (en) | 2022-02-16 | 2022-02-16 | Street lamp overhauls automatic lifting device for municipal works |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210142756.4A CN114506801A (en) | 2022-02-16 | 2022-02-16 | Street lamp overhauls automatic lifting device for municipal works |
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| Publication Number | Publication Date |
|---|---|
| CN114506801A true CN114506801A (en) | 2022-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210142756.4A Pending CN114506801A (en) | 2022-02-16 | 2022-02-16 | Street lamp overhauls automatic lifting device for municipal works |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114506801A (en) |
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| CN208265731U (en) * | 2018-06-08 | 2018-12-21 | 河南省黄河防爆起重机有限公司 | A kind of explosive-proof hydraulic hoistable platform |
| CN210915222U (en) * | 2019-11-22 | 2020-07-03 | 山西工商学院 | Safety elevator for building construction |
| CN213085399U (en) * | 2020-07-28 | 2021-04-30 | 宁波纳立升降机械有限公司 | Crank arm type lifting platform safe to use |
| CN214087586U (en) * | 2020-11-25 | 2021-08-31 | 兖矿东华建设有限公司 | Lifting device for electromechanical device installation |
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