Arch frame lifting platform

Abstract

The utility model discloses an arch frame lifting platform which comprises a lifting mechanism, and the lifting mechanism comprises a supporting platform. The lifting assembly is arranged at the upper end of the supporting platform and used for lifting an arch frame, and the lifting assembly can horizontally move on the supporting platform; the moving assembly is arranged on the first frame cross beam and the second frame cross beam and used for driving the supporting platform to move horizontally, and the arch frame is moved to the position where the arch frame needs to be fixed; the fixed end of the lifting oil cylinder is arranged on the moving assembly, the telescopic end of the lifting oil cylinder is connected with the lower surface of the supporting platform, and the lifting oil cylinder is used for jacking the supporting platform. According to the arch frame lifting platform, an arch frame can be moved to the position exceeding the edge of a trolley, the arch frame located at the arc edge of the top of a tunnel can be conveniently installed and fixed, and the labor intensity of workers is reduced; and meanwhile, the construction safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to arch mounting technical field, concretely is a kind of arch lifting platform. BACKGROUND

[0002] Arch is the main structure of tunnel primary support, and arch is generally made of profile steel or reinforcing bar, which is first processed into unit element and then installed at construction site.

[0003] The arch needs to be lifted from the bottom of the trolley to the top of the trolley, and then moved to the corresponding position for fixation. The existing arch can only be moved to the edge of the trolley after being lifted to the top of the trolley. However, the arch located at the arc edge position of the tunnel top can only be transported manually, which not only has high labor intensity but also has danger. SUMMARY

[0004] The utility model solves the technical problem of overcoming the defects of the prior art, and provides an arch lifting platform, which can move the arch to a position beyond the edge of the trolley, facilitate the installation and fixation of the arch located at the arc edge position of the tunnel top, reduce the labor intensity of workers, improve the construction safety, and effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an arch lifting platform, comprising a lifting mechanism, wherein the lifting mechanism comprises:

[0006] a support platform;

[0007] a lifting assembly arranged at the upper end of the support platform for lifting the arch, wherein the lifting assembly is horizontally movable on the support platform;

[0008] a moving assembly arranged on the first frame beam and the second frame beam for driving the support platform to move horizontally and moving the arch to the position to be fixed;

[0009] a lifting cylinder having a fixed end arranged on the moving assembly and a telescopic end connected with the lower surface of the support platform for jacking up the support platform.

[0010] As a preferred technical scheme of the utility model, the lifting assembly comprises a lifting frame and a travelling trolley, the lifting frame is arranged at the upper end of the travelling trolley, the travelling trolley comprises travelling wheels and a motor, the support platform is provided with a track, and the motor drives the travelling wheels to move along the track on the support platform.

[0011] As a preferred technical scheme of the utility model, the moving assembly comprises a driving wheel set, an upper fixed plate, a lower fixed plate and a driven wheel set.

[0012] The upper fixing plate and the lower fixing plate are arranged in parallel, and the upper fixing plate is above the lower fixing plate.

[0013] The driving wheel set is arranged at the lower end of the upper fixing plate and moves along the upper end of the first frame cross beam.

[0014] The driven wheel set is arranged at the upper end of the lower fixing plate and moves along the lower end of the second frame cross beam.

[0015] As a preferred technical scheme of the utility model, the upper fixing plate and the lower fixing plate are provided with through holes at corresponding positions of two ends.

[0016] As a preferred technical scheme of the utility model, the number of the driving wheel set and the driven wheel set is two.

[0017] Compared with the prior art, the utility model has the beneficial effects that: the arch support platform is ingenious in conception and convenient to use, the supporting platform can be moved horizontally by the moving assembly arranged on the trolley, and the lifting assembly moves along the supporting platform after the arch is lifted, the arch can be moved to the edge position of the top arc of the tunnel through the movement cooperation of the lifting assembly and the moving assembly, the lifting cylinder moves together with the moving assembly to lift the arch, which is convenient for workers to install and fix and reduces the labor intensity of workers, and the use convenience is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 It is a schematic diagram of the lifting platform after moving;

[0020] Figure 3 It is a structural schematic diagram of the lifting mechanism.

[0021] In the drawing: 1 first frame cross beam, 2 second frame cross beam, 3 lifting mechanism, 31 moving assembly, 311 driving wheel set, 312 upper fixing plate, 313 lower fixing plate, 314 driven wheel set, 32 lifting cylinder, 33 supporting platform, 34 lifting assembly, 341 lifting frame, 342 walking trolley. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments (for the convenience of description and understanding, the following takes Figure 1The upper end of the support platform 33 is provided with a lifting assembly 34, and the lower end of the lifting assembly 34 is provided with a moving assembly 31.

[0023] Please refer to Figures 1-3 The utility model provides a technical scheme: an arch support lifting platform, including lifting mechanism, lifting mechanism includes support platform 33, lifting assembly 34, moving assembly 31 and lifting oil cylinder 32,

[0024] Lifting assembly 34 is arranged at the upper end of support platform 33, and lifting assembly 34 includes lifting frame 341 and travelling trolley 342, lifting frame 341 is arranged at the upper end of travelling trolley 342 and is used to lift arch, and travelling trolley 342 includes travelling wheel and motor, and support platform 33 is provided with track, and the motor drives the travelling wheel to move along the track on support platform 33, so that the arch is moved;

[0025] Moving assembly 31 includes driving wheel set 311, upper fixed plate 312, lower fixed plate 313 and driven wheel set 314, upper fixed plate 312 and lower fixed plate 313 are arranged in parallel, and upper fixed plate 312 is located above lower fixed plate 313;

[0026] Driving wheel set 311 is arranged at the lower end of upper fixed plate 312, driving wheel set 311 moves along the upper end of first frame crossbeam 1 on the trolley, driving wheel set 311 is driven by the driving motor to walk, driven wheel set 314 is arranged at the upper end of lower fixed plate 313, driven wheel set 314 moves along the lower end of second frame crossbeam 2, first frame crossbeam 1 and second frame crossbeam 2 are fixed on the trolley, and first frame crossbeam 1 is located directly above second frame crossbeam 2, and first frame crossbeam 1 and second frame crossbeam 2 are both provided with tracks for the wheels of driving wheel set 311 and driven wheel set 314 to walk;

[0027] The lengths of the two ends of upper fixed plate 312 and lower fixed plate 313 exceed first frame crossbeam 1 and second frame crossbeam 2, through holes are formed in the corresponding positions of the two ends of upper fixed plate 312 and lower fixed plate 313, the fixed ends of lifting oil cylinder 32 are fixed in the through holes, the telescopic ends of lifting oil cylinder 32 are connected with the lower surface of support platform 33 and are used to lift the support platform 33, in order to ensure the lifting stability, the number of lifting oil cylinder 32 is four, and the four lifting oil cylinders 32 are located at the four corner positions of upper fixed plate 312 and lower fixed plate 313.

[0028] In order to ensure the moving stability of support platform 33, the number of driving wheel set 311 and driven wheel set 314 is both two.

[0029] In use: after the arch is lifted from the bottom of the trolley to the top of the trolley through the lifting mechanism, the movement of the lifting assembly 34 on the support platform 33 makes the lifting frame 341 located directly below the arch, at this time the lifting cylinder 32 is controlled to extend to lift the arch, then the lifting cylinder 32 is reset, and the above-mentioned actions are repeated, after the arch is lifted by the plurality of lifting assemblies 34 on the support platform 33, the driving motor in the moving assembly 31 drives the driving wheel set 311 and the driven wheel set 314 to translate, the arch is moved to a position beyond the edge of the trolley, the arch is fine-tuned to the position required to be fixed through the walking trolley 342, at this time the lifting cylinder 32 is extended to lift the arch, and workers can fix the arch.

[0030] The arch can be moved to the circular arc edge position of the tunnel top, workers can conveniently fix the arch, manual position adjustment is not required, the labor intensity of workers is reduced, and the use convenience is greatly improved.

[0031] The part not described in detail of the utility model is prior art, although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that the embodiments can be changed, modified, replaced and changed in various manners without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A centering jacking platform, characterized by: The lifting mechanism comprises: a support platform (33); a lifting assembly (34) arranged at the upper end of the support platform (33) for lifting the arch frame, the lifting assembly (34) being horizontally movable on the support platform (33); a moving assembly (31) arranged on the first frame beam (1) and the second frame beam (2) for driving the support platform (33) to move horizontally and moving the arch frame to the position to be fixed; a lifting oil cylinder (32) having a fixed end arranged on the moving assembly (31) and a telescopic end connected with the lower surface of the support platform (33) for jacking up the support platform (33).

2. An arch-brace lifting platform according to claim 1, wherein: The lifting assembly (34) comprises a lifting frame (341) and a walking trolley (342), the lifting frame (341) being arranged at the upper end of the walking trolley (342), the walking trolley (342) comprising walking wheels and a motor, the support platform (33) being provided with a track, and the motor driving the walking wheels to move along the track on the support platform (33).

3. An arch brace lifting platform according to claim 1, wherein: The moving assembly (31) comprises a driving wheel set (311), an upper fixed plate (312), a lower fixed plate (313) and a driven wheel set (314); The upper fixed plate (312) and the lower fixed plate (313) are arranged in parallel, and the upper fixed plate (312) is above the lower fixed plate (313); The driving wheel set (311) is arranged at the lower end of the upper fixed plate (312), the driving wheel set (311) moving along the upper end of the first frame beam (1), and the driving wheel set (311) being driven by a driving motor to walk; The driven wheel set (314) is arranged at the upper end of the lower fixed plate (313), the driven wheel set (314) moving along the lower end of the second frame beam (2).

4. An arch-brace lifting platform according to claim 3, wherein: Both ends of the upper fixed plate (312) and the lower fixed plate (313) are provided with through holes at corresponding positions, and the fixed end of the lifting oil cylinder (32) is fixed in the through hole.

5. An arch brace lifting platform according to claim 3, wherein: The number of the driving wheel set (311) and the driven wheel set (314) is two.

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