CN219341681U

CN219341681U - Aerial working platform

Info

Publication number: CN219341681U
Application number: CN202320741151.7U
Authority: CN
Inventors: 连锦霖; 李嘉颖
Original assignee: Bohui Construction Co ltd
Current assignee: Bohui Construction Co ltd
Priority date: 2023-04-04
Filing date: 2023-04-04
Publication date: 2023-07-14
Anticipated expiration: 2033-04-04

Abstract

The utility model discloses an aerial working platform, which comprises a bottom plate, a support column and universal wheels, wherein a hydraulic cylinder seat is arranged in the middle of the bottom plate, support pipes and shaft rod seats are arranged on two sides of the bottom plate, a hydraulic cylinder is installed on the hydraulic cylinder seat, a top shaft is arranged on the hydraulic cylinder, a top disc is arranged on the top shaft, a platform is arranged on the top disc, a sliding sleeve is arranged in the support pipe, an auxiliary lifting rod is arranged on the sliding sleeve, a transmission gear is arranged on the auxiliary lifting rod, a synchronous shaft is installed on the shaft rod seat, synchronous gears are arranged on two sides of the synchronous shaft, an extension block is arranged on the side part of the platform, a screw rod is installed on the extension block, a ground pressure plate is arranged at the bottom of the screw rod, a front plate and a rear plate are arranged on the side part of the platform, a hinge seat is arranged on the side part of the platform, a positioning column I and a positioning column II are installed between the positioning column I and the positioning column II, pull rings are arranged on the side part of the front plate, and the rear plate are installed through the pull rings. The utility model has the characteristics of stability, enlarged standing area and synchronous lifting.

Description

Aerial working platform

Technical Field

The utility model belongs to the technical field of aerial working equipment, and particularly relates to an aerial working platform.

Background

The aerial work platform is used as manned aerial work equipment, and particularly in the fields of constructional engineering and municipal engineering, the range of the aerial work is quite wide. Currently, regarding some currently used aerial work platforms, there are still some drawbacks, for example, how to raise the stability of the aerial work platform with respect to the ground is critical, which directly affects the safety of the work. Secondly, the existing high-altitude operation platform has a single structure, the standing area is fixed, the standing area cannot be extended and enlarged according to actual requirements, and the high-altitude operation space cannot be well met. In addition, the existing aerial working platform lacks a synchronous lifting structural design, and it is critical to keep the smoothness and improve the lifting synchronous stability during lifting, which directly affects the daily use, so that improvement is needed.

Disclosure of Invention

Aiming at the problems existing in the prior art, the utility model provides an overhead working platform which has the characteristics of forming stability with the ground during operation, rapidly extending and expanding standing area and having high lifting synchronous stability.

The utility model discloses an aerial working platform, which comprises a bottom plate, a support column and universal wheels, wherein the support column is arranged at the bottom of the bottom plate, the universal wheels are arranged at the bottom end of the support column, a hydraulic cylinder seat is arranged in the middle of the bottom plate, support tubes and shaft rod seats are arranged on two sides of the bottom plate, a hydraulic cylinder is arranged on the hydraulic cylinder seat, a top shaft is arranged on the hydraulic cylinder, a top disc is arranged on the top shaft, a platform is arranged on the top disc, a sliding sleeve is arranged in the support tube, an auxiliary lifting rod is arranged on the sliding sleeve, the auxiliary lifting rod is in a propping connection mode and is arranged at the bottom of the platform, a notch is arranged on the support tube, transmission teeth are arranged on the auxiliary lifting rod seat, a synchronizing shaft is rotatably arranged on the shaft rod seat, synchronizing gears are respectively meshed with the transmission teeth on the auxiliary lifting rod at the notch, an extension block is arranged on the side of the platform, a screw rod is arranged on the extension block in a threaded mode, a ground pressure disc is arranged on the bottom of the top plate, a sharp-toothed disc bottom part is arranged on the top of the top plate, a positioning plate is arranged on the top of the top plate, a pull rod is arranged on the top of the top plate, a positioning plate is arranged on the top of the positioning plate, a positioning plate is arranged on the top of the positioning plate, a positioning plate is arranged on the positioning plate, and a positioning plate is arranged on the top of the positioning plate, and a positioning plate.

Preferably, the universal wheel is provided with a static locking mechanism, the static locking mechanism comprises a roller, a roller shaft, a locking plate and a locking handle, the roller is rotatably arranged on the roller shaft, and the locking handle can drive the locking plate to lock the roller.

As preferable in the utility model, the front end of the platform is provided with a cat ladder, the front plate is provided with an inlet, and the top of the cat ladder is positioned at the inlet.

Preferably, a fixing disc is arranged at the bottom of the supporting tube, and the fixing disc is fixedly installed with the bottom plate through an installation bolt.

Preferably, the shaft lever seat is provided with a rotating shaft sleeve for the rotation and matching installation of the synchronous shaft.

Preferably, the notch is located at the upper portion of the support tube.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model has scientific and reasonable design, firstly, the high-altitude operation platform can rapidly switch places according to the actual position requirement by arranging the universal wheels, the movement is very convenient, and a large amount of labor force is avoided to move the high-altitude operation platform; secondly, the high-altitude operation platform drives the hydraulic cylinder through controlling at a low position, so that the top shaft stretches upwards, the top shaft is propped against the platform through the top disc, the top shaft stretches upwards and can synchronously drive the platform to lift up and down, the hydraulic cylinder carries out propping up and lifting on the platform at a middle position, wherein an auxiliary lifting rod is matched with the lifting of a sliding sleeve to carry out auxiliary lifting on the positions on two sides of the platform, and synchronous gears are arranged on two sides of the synchronous shaft and are respectively meshed with transmission teeth on the auxiliary lifting rod at a notch, and when the top shaft of the hydraulic cylinder moves up and down, the following lifting of the auxiliary lifting rod can be carried out stably and synchronously, the structure can well achieve smooth and stable lifting, the lifting synchronous stability is improved, and the normal daily use is ensured; when the aerial working platform is used in a certain working place, the screw is enabled to rotate to extend towards the ground by operating the rotary handle, the sharp tooth parts of the ground pressure plate are enabled to be in contact with the ground, the sharp tooth parts of the ground pressure plate are enabled to be positioned below the universal wheels, meanwhile, the horizontal positions of the ground pressure plate and the sharp tooth parts can be adjusted according to the uneven condition of the ground, the aerial working platform can be well adjusted to be in a horizontal state according to the road condition, and good stability is formed by utilizing the sharp tooth parts of the ground pressure plate to be in contact with the ground, so that the aerial working platform is placed stably, and the aerial working safety can be guaranteed; when the aerial work platform is normally used, the locking piece is installed between the positioning column I and the positioning column II, the expansion plate is in a standing state to be used as a protection, when the standing area needs to be extended and enlarged to better meet the aerial work space, the locking piece is taken out upwards, the expansion plate can be turned outwards at the moment, the expansion plate is pulled by the pull rope to ensure the extension stability of the expansion plate, the quick extension and expansion standing area can be achieved, and the usability is better.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the utility model when extended to enlarge the standing area;

FIG. 3 is a schematic view of the structure of the universal wheel of the present utility model;

FIG. 4 is a schematic view of an auxiliary lifting structure of the present utility model;

in the figure: 1. a bottom plate; 2. a support post; 3. a universal wheel; 4. a hydraulic cylinder base; 5. a support tube; 6. a shaft lever seat; 7. a hydraulic cylinder; 8. a top shaft; 9. a top plate; 10. a platform; 11. sliding the sleeve; 12. an auxiliary lifting rod; 13. a notch; 14. a drive tooth; 15. a synchronizing shaft; 16. a synchronizing gear; 17. an extension block; 18. a screw; 19. a ground pressure plate; 20. a tine section; 21. a handle is rotated; 22. a front plate; 23. a rear plate; 24. a hinge base; 25. an expansion plate; 26. a positioning column I; 27. positioning columns II; 28. a locking piece; 29. positioning the jack; 30. a pull ring; 31. a pull rope; 32. a roller; 33. a roller shaft; 34. a locking plate; 35. a locking handle; 36. a ladder stand; 37. an inlet; 38. a fixed plate; 39. a bolt; 40. and rotating the shaft sleeve.

Detailed Description

For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings.

The structure of the present utility model will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 4, the aerial working platform provided by the embodiment of the utility model comprises a bottom plate 1, a support column 2 and universal wheels 3, wherein the support column 2 is arranged at the bottom of the bottom plate 1, the universal wheels 3 are arranged at the bottom end of the support column 2, a hydraulic cylinder seat 4 is arranged in the middle of the bottom plate 1, support pipes 5 and shaft rod seats 6 are arranged on two sides of the bottom plate 1, a hydraulic cylinder 7 is arranged on the hydraulic cylinder seat 4, a top shaft 8 is arranged on the hydraulic cylinder 7, a top disc 9 is arranged on the top shaft 8, a platform 10 is arranged on the top disc 9, a sliding sleeve 11 is arranged in the support pipe 5, an auxiliary lifting rod 12 is arranged on the sliding sleeve 11, the auxiliary lifting rod 12 is propped against the bottom of the platform 10, a notch 13 is arranged on the support pipe 5, a transmission tooth 14 is arranged on the auxiliary lifting rod 12, a synchronous shaft 15 is rotatably arranged on the shaft rod seat 6, synchronous gears 16 are arranged on two sides of the synchronous shaft 15, the synchronous gear 16 is respectively meshed with the transmission gear 14 on the auxiliary lifting rod 12 at the notch 13, the side part of the platform 10 is provided with an extension block 17, the extension block 17 is provided with a screw 18 in a threaded way, the bottom of the screw 18 is provided with a ground pressure plate 19, the bottom surface of the ground pressure plate 19 is provided with a sharp-tooth part 20, the top of the screw 18 is provided with a rotary handle 21, the platform 10 is provided with a front plate 22 and a rear plate 23, the side part of the platform 10 is provided with a hinging seat 24, the hinging seat 24 is rotatably provided with an expansion plate 25, the top of the expansion plate 25 is provided with a positioning column I26, the top of the front plate 22 and the rear plate 23 is provided with a positioning column II27, a locking piece 28 is arranged between the positioning column I26 and the positioning column II27, two sides of the locking piece 28 are provided with positioning insertion holes 29, the side parts of the front plate 22, the rear plate 23 and the expansion plate 25 are provided with pull rings 30, the front plate 22 and the rear plate 23 are respectively fixedly arranged with the expansion plate 25 by a pull ring 30 and a pull rope 31.

In the embodiment, the design is scientific and reasonable, firstly, the high-altitude operation platform can rapidly switch places according to the actual position requirement through the arrangement of the universal wheels 3, the movement is very convenient, and a large amount of labor force is avoided to move the high-altitude operation platform; secondly, the high-altitude operation platform drives the hydraulic cylinder 4 to enable the jacking shaft 8 to stretch upwards, the jacking shaft 8 is jacked on the platform 10 through the jacking disc 9, the jacking shaft 8 stretches upwards and can synchronously drive the platform 10 to lift up and down, the hydraulic cylinder 4 carries out jacking lifting on the platform 10 at the middle position, the auxiliary lifting rod 12 is matched with the lifting of the sliding sleeve 11 to carry out auxiliary lifting on the two sides of the platform 10, the synchronous shafts 15 are utilized, the synchronous gears 16 are arranged on the two sides of the synchronous shafts 15, the synchronous gears 16 are respectively meshed with the transmission teeth 14 on the auxiliary lifting rod 12 at the notch 13, and when the jacking shaft 8 of the hydraulic cylinder 7 moves up and down, the following lifting of the auxiliary lifting rod 12 can be carried out stably and synchronously, the structure can well achieve smooth and stable lifting, lifting synchronous stability is improved, and daily normal use is ensured; when the aerial work platform is used in a certain work place, the screw rod 18 is rotated to extend to the ground by operating the rotary handle 21, so that the sharp-tooth parts 20 of the ground pressure plate 19 are contacted with the ground, the sharp-tooth parts 20 of the ground pressure plate 19 are positioned below the universal wheels 3, meanwhile, the horizontal positions of the ground pressure plate 19 and the sharp-tooth parts 20 can be adjusted according to the uneven condition of the ground, the aerial work platform can be well adjusted to be in a horizontal state according to the road surface condition, and the sharp-tooth parts 20 of the ground pressure plate 19 are contacted with the ground to form better stability with the ground, so that the aerial work platform is stably placed, and the safety of the aerial work can be ensured; when the aerial work platform is normally used, the locking piece 28 is arranged between the positioning column I26 and the positioning column II27, the expansion plate 25 is in a standing state to be used as a protection, when the standing area needs to be expanded in an extending mode to better meet the aerial work space, the locking piece 28 is taken out upwards, the expansion plate 25 can be turned outwards at the moment, the expansion plate 25 is pulled through the pull rope 31 to ensure the extending stability of the expansion plate 25, the quick extending and expanding standing area can be achieved, and the usability is better.

Specifically, the hydraulic cylinder 7 employs a conventional hydraulic cylinder of a corresponding stroke according to a required lifting stroke. The top disk 9 is fixed to the platform by means of bolts. The sliding sleeves 11 are specifically distributed at the upper and lower parts of the supporting tube 5, so that the auxiliary lifting rod 12 can be lifted normally. The locking piece 28 is provided with the positioning jacks 29 on two sides, so that the positioning column I26 and the positioning column II27 are inserted into the positioning jacks 29 to form a limiting structure of the positioning column I26 and the positioning column II26, and the locking piece is simple in structural design, very convenient to install and detach and good in usability. The stay cord 31 adopts the thick rope, guarantees that expansion board 25 hangs and draws firmly.

Further, the universal wheel 3 is provided with a static locking mechanism, the static locking mechanism comprises a roller 32, a roller shaft 33, a locking plate 34 and a locking handle 35, the roller 32 is rotatably arranged on the roller shaft 33, and the locking handle 35 can drive the locking plate 34 to lock the roller 32.

In this embodiment, through the stationary locking mechanism, the movement or prohibition can be well switched, and the locking handle 35 can drive the locking plate 34 to lock the roller 32 according to the use effect.

Further, the front end of the platform 10 is provided with a ladder 36, the front plate 22 is provided with an inlet 37, and the top of the ladder 36 is positioned at the inlet 37.

In this embodiment, the ladder 36 is conveniently climbed onto the platform 10 and is accessible through the entrance 37 for improved usability.

Further, a fixing plate 38 is provided at the bottom of the support pipe 5, and the fixing plate 38 is fixedly mounted with the bottom plate 1 by a mounting bolt 39.

In the present embodiment, the support tube 5 can be well installed upright and stably by the fixing plate 38.

Further, a rotating sleeve 40 for the rotation-fit installation of the synchronizing shaft 15 is provided on the shaft housing 6.

In the present embodiment, the rotation sleeve 40 ensures the normal rotation of the synchronizing shaft 15 so as to ensure the normal rotation of the synchronizing gear 16.

Further, a notch 13 is located at the upper portion of the support tube 5.

In the present embodiment, the notch 13 is provided in the upper portion of the support pipe 5, and the lifting stroke range of the structure is large.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an aerial working platform, includes bottom plate (1), pillar (2) and universal wheel (3), pillar (2) set up the bottom at bottom plate (1), universal wheel (3) set up the bottom at pillar (2), its characterized in that: the utility model discloses a screw rod type hydraulic lifting device, including bottom plate (1), hydraulic cylinder seat (4) is provided with in the middle of bottom plate (1), bottom plate (1) both sides are provided with stay tube (5) and axostylus axostyle seat (6), install pneumatic cylinder (7) on hydraulic cylinder seat (4), pneumatic cylinder (7) are provided with jackshaft (8), be provided with on jackshaft (8) and prop up dish (9), be provided with platform (10) on prop up dish (9), be provided with sliding sleeve (11) in stay tube (5), sliding sleeve (11) are provided with auxiliary lifting rod (12), auxiliary lifting rod (12) top is installed in the bottom of platform (10), be provided with breach (13) on stay tube (5), be provided with drive tooth (14) on auxiliary lifting rod (12), rotatory installation synchronizing shaft (15) on axostylus axostyle seat (6), the both sides of synchronizing shaft (15) are provided with synchronizing gear (16), synchronizing gear (16) are respectively with drive tooth (14) on breach (13) department auxiliary lifting rod (12) meshing, install screw rod (17) lateral part (17), extension screw rod (17) are provided with screw rod (18), the utility model discloses a ground pressure disk (19), including ground pressure disk (19), front bezel (22), back bezel (23), hinge seat (24), expansion plate (25) are installed in the rotation of hinge seat (24), the top of expansion plate (25) is provided with reference column I (26), the top of front bezel (22) and back bezel (23) is provided with reference column II (27), install between reference column I (26) and reference column II (27) to latch (28), the both sides to latch (28) are provided with location jack (29), the lateral part of front bezel (22), back bezel (23) and expansion plate (25) is provided with pull ring (30), front bezel (22) and back bezel (23) are respectively through pull ring (30) installation stay cord (31) and expansion plate (25) fixed mounting.

2. An aerial work platform as claimed in claim 1, wherein: the universal wheel is provided with a static locking mechanism, the static locking mechanism comprises a roller (32), a roller shaft (33), a locking plate (34) and a locking handle (35), the roller (32) is rotatably arranged on the roller shaft (33), and the locking handle (35) can drive the locking plate (34) to lock the roller (32).

3. An aerial work platform as claimed in claim 1, wherein: the front end of the platform (10) is provided with a cat ladder (36), the front plate (22) is provided with an inlet (37), and the top of the cat ladder (36) is positioned at the inlet (37).

4. An aerial work platform as claimed in claim 1, wherein: the bottom of the supporting tube (5) is provided with a fixed disc (38), and the fixed disc (38) is fixedly installed with the bottom plate (1) through an installation bolt (39).

5. An aerial work platform as claimed in claim 1, wherein: the shaft lever seat (6) is provided with a rotary shaft sleeve (40) for rotationally matching and installing the synchronous shaft (15).

6. An aerial work platform as claimed in claim 1, wherein: the notch (13) is positioned at the upper part of the supporting tube (5).