Stretchable platform of vertical arch frame trolley for tunnel excavation

Abstract

The utility model discloses a tunnel excavation vertical arch frame trolley telescopic platform which comprises hydraulic oil cylinders symmetrically fixed to the front side and the rear side of a frame of a tunnel excavation vertical arch frame trolley and used for providing moving power for the telescopic platform. The fixed platform is arranged at the upper end of the fixed end of the hydraulic oil cylinder, and a space is reserved between the fixed platform and the fixed end of the hydraulic oil cylinder; the hydraulic oil cylinder is arranged on the fixed platform, the sliding platform is arranged above the fixed platform, the sliding platform can horizontally move along the fixed platform, and one end of the sliding platform is connected with the end portion of the telescopic end of the hydraulic oil cylinder through a connecting block. And meanwhile, the stability of the telescopic platform is guaranteed, installation and maintenance are convenient, and use convenience is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to tunnel support equipment technical field, concretely is a tunnel excavation arch frame trolley telescopic platform. BACKGROUND

[0002] The tunnel excavation arch frame trolley is a kind of equipment specially used in tunnel engineering excavation operation, can carry out quick and efficient excavation operation in tunnel.

[0003] Wherein the telescopic platform on trolley is a kind of platform equipment installed on excavation trolley, with lengthening, widening, multi-section telescopic and automatic horizontal adjustment etc. SUMMARY

[0004] The utility model solves the technical problems to overcome the defects of prior art, provide a kind of tunnel excavation arch frame trolley telescopic platform, can reduce the equipment quantity required by telescopic platform, guarantee the stability of telescopic platform simultaneously, it is convenient to install and maintain, can effectively solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of tunnel excavation arch frame trolley telescopic platform, comprising:

[0006] Hydraulic cylinder, symmetrically fixed at the front and rear sides of the car frame of tunnel excavation arch frame trolley, provides moving power for telescopic platform;

[0007] Fixed platform, set on the upper end of the fixed end of hydraulic cylinder, and there is space between fixed platform and the fixed end of hydraulic cylinder;

[0008] Sliding platform, set above the fixed platform, the sliding platform can move horizontally along fixed platform, one end of the sliding platform is connected with the telescopic end end of the hydraulic cylinder through connecting block.

[0009] As a preferred technical scheme of the utility model, the fixed platform includes second support plate and track;

[0010] The lower surface of the second support plate is connected with the outer side of the fixed end of the hydraulic cylinder through pad at both ends, two parallel long slot holes are arranged on the second support plate, and track is arranged in the long slot hole.

[0011] As a preferred technical scheme of the utility model, the sliding platform includes first support plate, connecting plate and rolling assembly;

[0012] The first support plate is symmetrical in one side with a connecting plate, the connecting plate is connected with the connecting block, the other side of the first support plate is symmetrical with a rolling assembly, the position of the rolling assembly corresponds to the position of the long strip-shaped through hole, and the rolling assembly is rollable on the track.

[0013] As a preferred technical scheme of the utility model, the rolling assembly comprises a fixed plate, an ear plate, a pin shaft and a roller;

[0014] The fixed plate is fixedly connected with the first support plate, one side of the fixed plate is symmetrical with an ear plate, two pin shafts are arranged between the two ear plates, the two pin shafts are arranged in up-down directions, the outer side surface of the pin shaft is connected with a roller through a bearing, and the track is located in the gap between the two rollers.

[0015] As a preferred technical scheme of the utility model, one side of the second support plate is symmetrical with a rotatable guide wheel, the guide wheel corresponds to the position of the long strip-shaped through hole, and the guide wheel is attached to the lower surface of the first support plate.

[0016] Compared with the prior art, the utility model has the beneficial effects that: the tunnel excavation arch frame trolley telescopic platform is reasonable in design and ingenious in conception, only one hydraulic oil cylinder is needed for each telescopic platform, the fixed platform is arranged on the hydraulic oil cylinder, installation space is saved, the sliding platform is arranged on the fixed platform, one end of the fixed platform is connected with the telescopic end of the hydraulic oil cylinder, the sliding platform is moved on the fixed platform by the horizontal telescopic of the hydraulic oil cylinder, the number of equipment can be reduced, cost is lowered, installation and maintenance are facilitated, and the moving stability is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the front view of the utility model;

[0018] Figure 2 It is the structural schematic view of the fixed platform;

[0019] Figure 3 It is the structural schematic view of the sliding platform;

[0020] Figure 4 It is the structural schematic view of the rolling assembly;

[0021] Figure 5 It is Figure 4 The left view.

[0022] In the figure: 1 frame, 2 hydraulic cylinder, 3 sliding platform, 31 first support plate, 32 connecting plate, 33 rolling assembly, 331 fixed plate, 332 ear plate, 333 pin shaft, 334 roller, 4 connecting block, 5 fixed platform, 51 second support plate, 52 long strip-shaped through hole, 53 track, 54 guide wheel. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments (for the convenience of description and understanding, the following description is made with the front being the front, the left being the left, the right being the right, the top being the top, and the bottom being the bottom). Figure 1 The front is the front, Figure 1 The front is the front, the left is the left, the right is the right, the top is the top, and the bottom is the bottom. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0024] Please refer to Figures 1-5 The technical scheme provided by the present application is: a tunnel excavation arch frame trolley telescopic platform, comprising a hydraulic cylinder 2, a fixed platform 5 and a sliding platform 3, the hydraulic cylinder 2 is symmetrically fixed on the front and rear sides of the frame 1 of the tunnel excavation arch frame trolley, and the hydraulic cylinder 2 is horizontally installed.

[0025] The fixed platform 5 comprises a second support plate 51 and a track 53, the lower surface of the second support plate 51 is connected to the outer side of the fixed end of the hydraulic cylinder 2 through a cushion block at both ends, two parallel long strip-shaped through holes 52 are arranged on the second support plate 51, and the track 53 is arranged in the long strip-shaped through hole 52.

[0026] The sliding platform 3 comprises a first support plate 31, a connecting plate 22 and a rolling assembly 33, the outer dimensions of the first support plate 31 are the same as the outer dimensions of the second support plate 51, a connecting plate 32 is symmetrically arranged on one side of the first support plate 31, one end of the connecting plate 32 is connected to the connecting block 4, the other end of the connecting block 4 is connected to the telescopic end of the hydraulic cylinder 2, the first support plate 31 is driven to move horizontally through the telescopic movement of the hydraulic cylinder 2 in the horizontal direction, a rolling assembly 33 is symmetrically arranged on the other side of the first support plate 31, the position of the rolling assembly 33 corresponds to the position of the long strip-shaped through hole 52, and the rolling assembly 33 can rollably move on the track 53.

[0027] Further, in order to the moving stability of the first support plate 31 on the second support plate 51, the rolling assembly 33 comprises a fixed plate 331, an ear plate 332, a pin shaft 333 and a roller 334, the fixed plate 331 is fixedly connected with the first support plate 31, the fixed plate 331 is symmetrically provided with the ear plate 332 on one side, the two ear plates 332 are provided with the two pin shafts 333, the two pin shafts 333 are arranged in the up-down direction, the outer side surface of the pin shaft 333 is connected with the roller 334 through a bearing, the track 53 is located in the gap between the two rollers 334, the roller 334 located on the upper side is in contact with the upper end of the track 53, the roller 334 located on the lower side is in contact with the lower end of the track 53, the two rollers 334 are rolled on the upper and lower ends of the track 53 respectively, the moving stability of the first support plate 31 is ensured, and the support stability of the second support plate 51 to the first support plate 31 is ensured.

[0028] Further, in order to ensure the linearity of the moving process of the first support plate 51 and improve the support force of the first support plate 51, the second support plate 51 is symmetrically provided with a rotatable guide wheel 54 on one side, the guide wheel 54 corresponds to the position of the long strip-shaped through hole 52, and the guide wheel 54 is attached to the lower surface of the first support plate 31.

[0029] In use: when the platform needs to be extended, the hydraulic oil cylinder 2 is pumped by an external hydraulic pump, the telescopic end of the hydraulic oil cylinder 2 is extended, and the rolling assembly 33 in the sliding platform 3 rolls along the track 53 on the fixed platform 5, thereby realizing the lengthening of the telescopic platform.

[0030] In the utility model, one telescopic platform only needs one hydraulic oil cylinder 2 to drive its work, so that the number of equipment is reduced, the construction cost is reduced, maintenance is facilitated, the stability of the sliding platform 3 in the moving process is ensured, and installation is facilitated.

[0031] The part not described in 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 their equivalents.

Claims

1. A tunnel excavation centering trolley telescopic platform characterized by: The utility model relates to a tunneling platform, which comprises: a hydraulic cylinder (2) symmetrically fixed to the front and rear sides of a frame (1) of a tunneling arch frame trolley to provide moving power for the telescopic platform; a fixed platform (5) arranged on the upper end of the fixed end of the hydraulic cylinder (2) and leaving a space between the fixed platform (5) and the fixed end of the hydraulic cylinder (2); a sliding platform (3) arranged above the fixed platform (5) and horizontally movable along the fixed platform (5), one end of the sliding platform (3) being connected to the telescopic end of the hydraulic cylinder (2) through a connecting block (4).

2. A telescoping platform for a tunneling jacking tower according to claim 1, characterized in that: The fixed platform (5) comprises a second support plate (51) and a track (53). The lower surface of the second support plate (51) is connected to the outer side of the fixed end of the hydraulic cylinder (2) through a cushion block, two parallel long-hole-shaped through holes (52) are arranged on the second support plate (51), and the track (53) is arranged in the long-hole-shaped through holes (52).

3. A telescoping platform for a tunneling jacking tower according to claim 2, wherein: The sliding platform (3) comprises a first support plate (31), a connecting plate (32) and a rolling assembly (33). The first support plate (31) has the same size as the second support plate (51), one side of the first support plate (31) is symmetrically provided with the connecting plate (32), the connecting plate (32) is connected to the connecting block (4), the other side of the first support plate (31) is symmetrically provided with the rolling assembly (33), the position of the rolling assembly (33) corresponds to the position of the long-hole-shaped through holes (52), and the rolling assembly (33) is rollably movable on the track (53).

4. A telescoping platform for a tunneling jacking tower according to claim 3, wherein: The rolling assembly (33) comprises a fixed plate (331), an ear plate (332), a pin shaft (333) and a roller (334). The fixed plate (331) is fixedly connected to the first support plate (31), one side of the fixed plate (331) is symmetrically provided with the ear plate (332), two pin shafts (333) are arranged between the two ear plates (332), the two pin shafts (333) are arranged in an up-down direction, the outer side of the pin shaft (333) is connected with the roller (334) through a bearing, and the track (53) is located in the gap between the two rollers (334).

5. A telescoping platform for a tunneling jacking tower according to claim 3, wherein: One side of the second support plate (51) is symmetrically provided with a rotatable guide wheel (54), the position of the guide wheel (54) corresponds to the position of the long-hole-shaped through holes (52), and the guide wheel (54) is attached to the lower surface of the first support plate (31).

Images