CN212153124U

CN212153124U - Lifting platform for road and bridge construction

Info

Publication number: CN212153124U
Application number: CN202020423019.8U
Authority: CN
Inventors: 房晓荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-29
Filing date: 2020-03-29
Publication date: 2020-12-15
Anticipated expiration: 2030-03-29

Abstract

The utility model discloses a lifting platform for road and bridge construction, which comprises a base and a supporting platform, wherein the top of the base is provided with a mounting groove, the mounting groove is internally and symmetrically and rotatably connected with a rotating shaft through a bearing, both ends of the rotating shaft are provided with thread sections, the thread directions of both ends of the same thread section are opposite, one end of the rotating shaft is fixed with a turbine, one end of the mounting groove is fixed with a driving motor, an output shaft of the driving motor is fixed with a driving bevel gear, the mounting groove is rotatably connected with a worm, the worm is meshed and connected with the turbine, the middle part of the worm is fixed with a driven bevel gear, the driven bevel gear is meshed with the driving bevel gear, four corners of the mounting groove are respectively provided with a scissor-fork-shaped lifting device, and the lifting platform for road and bridge construction is supported by giving four corners of the supporting, through the arrangement of the loading plate, the tool is convenient to place and take.

Description

Lifting platform for road and bridge construction

Technical Field

The utility model relates to a lift platform technical field specifically is a lift platform of road and bridge construction usefulness.

Background

Road and bridge construction is some construction positions can not reach enough, need to build the scaffold and just can accomplish the construction, but builds the scaffold and wastes time and energy, and is impractical. Therefore, the lifting platform for road and bridge construction is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lifting platform of road and bridge construction usefulness to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a lifting platform for road and bridge construction comprises a base and a supporting platform, wherein a mounting groove is formed in the top of the base, a rotating shaft is symmetrically and rotatably connected in the mounting groove through bearings, thread sections are arranged at two ends of the rotating shaft, the thread directions of two ends of the same thread section are opposite, a worm wheel is fixed at one end of the rotating shaft, a driving motor is fixed at one end of the mounting groove, a driving bevel gear is fixed at an output shaft of the driving motor, a worm is rotatably connected in the mounting groove and meshed with the worm wheel, a driven bevel gear is fixed in the middle of the worm and meshed with the driving bevel gear, a scissor-fork-shaped lifting device is arranged at four corners of the mounting groove and comprises a plurality of scissor-fork rod sets, each scissor-fork rod set comprises a first connecting rod and a second connecting rod, and the middle parts of the first connecting rod and the second connecting rod are hinged, the first connecting rod and the second connecting rod of the scissor rod group are hinged to the second connecting rod and the first connecting rod of the adjacent scissor rod group respectively, the end portions of the first connecting rod and the second connecting rod which are located at the bottom end are hinged to sliding blocks, threaded holes are formed in the sliding blocks, the threaded holes in the sliding blocks are meshed with threaded ends of the end portions of the rotating shafts and are connected, a supporting platform is arranged right above the base, mounting seats are fixed to four corners of the bottom of the supporting platform, and the first connecting rod and the second connecting rod which are located at the top end are hinged to the mounting seats.

Preferably, a protective fence is fixed at the top edge of the supporting platform.

Preferably, a support column is fixed at the center of the top of the support platform, and a carrying disc is fixed at the top of the support column.

Preferably, universal auto-lock wheels are installed at four corners of the bottom of the base.

Preferably, the size of the supporting platform is larger than that of the mounting groove.

Compared with the prior art, the beneficial effects of the utility model are that: drive initiative bevel gear through driving motor and rotate, and then drive driven bevel gear, the worm rotates together, the worm drives worm wheel and pivot and rotates together, because the screw hole meshing that the screw thread section is connected with the slider inside, and the screw thread at screw thread section both ends is to opposite soon, so same two sliders of cutting forked elevating gear are close to each other, and then make supporting platform rise, support through giving the supporting platform four corners, make supporting platform more stable, through the setting of carrying the thing dish, the placement tool of being convenient for so that take.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the fork-shaped shearing lifting device of the present invention.

In the figure: 1. a base; 2. mounting grooves; 3. a rotating shaft; 4. a threaded segment; 5. a worm gear; 6. a drive motor; 7. a drive bevel gear; 8. a worm; 9. a scissor fork shaped lifting device; 10. a scissor lever group; 11. a first link; 12. a second link; 13. a slider; 14. a support platform; 15. a mounting seat; 16. a protective fence; 17. a support pillar; 18. a carrying tray; 19. a universal self-locking wheel; 20. a driven bevel gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a lifting platform for road and bridge construction comprises a base 1 and a supporting platform 14, wherein the top of the base 1 is provided with a mounting groove 2, the mounting groove 2 is symmetrically and rotatably connected with a rotating shaft 3 through a bearing, both ends of the rotating shaft 3 are provided with thread sections 4, the thread directions of both ends of the same thread section 4 are opposite, one end of the rotating shaft 3 is fixed with a worm wheel 5, one end of the mounting groove 2 is fixed with a driving motor 6, an output shaft of the driving motor 6 is fixed with a driving bevel gear 7, the mounting groove 2 is rotatably connected with a worm 8, the worm 8 is meshed with the worm wheel 5, the middle part of the worm 8 is fixed with a driven bevel gear 20, the driven bevel gear 20 is meshed with the driving bevel gear 7, four corners of the mounting groove 2 are provided with scissor-shaped lifting devices 9, each scissor-shaped lifting device 9 comprises a plurality of scissor-shaped rod sets 10, the scissors fork rod group 10 is composed of a first connecting rod 11 and a second connecting rod 12, the middle parts of the first connecting rod 11 and the second connecting rod 12 are hinged, the first connecting rod 11 and the second connecting rod 12 of the scissors fork rod group 10 are hinged to the second connecting rod 12 and the first connecting rod 11 of the adjacent scissors fork rod group 10 respectively, the end parts of the first connecting rod 11 and the second connecting rod 12 located at the bottommost end are hinged to a sliding block 13, a threaded hole is formed in the sliding block 13, the threaded hole in the sliding block 13 is meshed with the threaded end at the end part of the rotating shaft 3, a supporting platform 14 is arranged right above the base 1, mounting seats 15 are fixed to four corners of the bottom of the supporting platform 14, and the first connecting rod 11 and the second connecting rod 12 located at the topmost end are hinged to the mounting seats 15.

A protective fence 16 is fixed at the top edge of the supporting platform 14 to play a protective role.

A supporting column 17 is fixed at the top center of the supporting platform 14, and a carrying disc 18 is fixed at the top of the supporting column 17, so that a tool can be conveniently placed for taking.

Universal auto-lock wheel 19 is all installed to the bottom four corners of base 1, is convenient for remove the transportation.

The size of the supporting platform 14 is larger than that of the mounting groove 2, so that articles are prevented from falling into the mounting groove 2 from the supporting platform 14, and the rotating shaft 3 and the worm 8 are prevented from being influenced to rotate.

The working principle is as follows: drive the rotation of initiative bevel gear 7 through driving motor 6, and then drive driven bevel gear 20, worm 8 rotates together, worm 8 drives worm wheel 5 and pivot 3 and rotates together, because screw thread section 4 is connected with the inside screw hole meshing of slider 13, and the screw thread at screw thread section 4 both ends is to opposite soon, so two sliders 13 of same fork form elevating gear 9 of cutting are close to each other, and then make supporting platform 14 rise, support through giving supporting platform 14 four corners, make supporting platform 14 more stable, through the setting of objective disc 18, be convenient for the placement tool so that take.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lift platform that road and bridge construction was used, includes base (1) and supporting platform (14), its characterized in that: the top of the base (1) is provided with a mounting groove (2), a rotating shaft (3) is symmetrically and rotatably connected in the mounting groove (2) through bearings, thread sections (4) are arranged at two ends of the rotating shaft (3), the thread directions of two ends of the same thread section (4) are opposite, a worm wheel (5) is fixed at one end of the rotating shaft (3), a driving motor (6) is fixed at one end of the mounting groove (2), a driving bevel gear (7) is fixed at an output shaft of the driving motor (6), a worm (8) is rotatably connected in the mounting groove (2), the worm (8) is meshed with the worm wheel (5), a driven bevel gear (20) is fixed at the middle part of the worm (8), the driven bevel gear (20) is meshed with the driving bevel gear (7), and scissor-shaped lifting devices (9) are arranged at four corners of the mounting groove (2), the scissor-fork shaped lifting device (9) comprises a plurality of scissor-fork rod groups (10), the scissor-fork rod groups (10) are composed of a first connecting rod (11) and a second connecting rod (12), the middle parts of the first connecting rod (11) and the second connecting rod (12) are hinged, the first connecting rod (11) and the second connecting rod (12) of the scissors fork rod group (10) are respectively hinged with the second connecting rod (12) and the first connecting rod (11) of the adjacent scissors fork rod group (10), the end parts of the first connecting rod (11) and the second connecting rod (12) positioned at the bottommost ends are respectively hinged with a sliding block (13), a threaded hole is arranged in the sliding block (13), and the threaded hole in the sliding block (13) is engaged and connected with the threaded end at the end part of the rotating shaft (3), a supporting platform (14) is arranged right above the base (1), four corners of the bottom of the supporting platform (14) are respectively fixed with a mounting seat (15), and the first connecting rod (11) and the second connecting rod (12) which are positioned at the topmost end are hinged with the mounting seat (15).

2. The lifting platform for road and bridge construction of claim 1, wherein: a protective fence (16) is fixed at the top edge of the supporting platform (14).

3. The lifting platform for road and bridge construction of claim 1, wherein: a supporting column (17) is fixed at the center of the top of the supporting platform (14), and a carrying disc (18) is fixed at the top of the supporting column (17).

4. The lifting platform for road and bridge construction of claim 1, wherein: universal auto-lock wheels (19) are installed at four corners of the bottom of the base (1).

5. The lifting platform for road and bridge construction of claim 1, wherein: the size of the supporting platform (14) is larger than that of the mounting groove (2).