Tunnel segment transport vehicle and segment transport mechanism

Abstract

The utility model discloses a tunnel segment transport vehicle and a segment transport mechanism, and relates to the technical field of building material transport equipment. The tunnel segment transport vehicle comprises a vehicle body for bearing segments, moving wheels are arranged at the bottom of the vehicle body, the vehicle body is further provided with a lifting assembly, the lifting assembly is connected with rail wheels, the rail wheels are higher than the moving wheels after the lifting assembly is shortened, and the rail wheels are lower than the moving wheels after the lifting assembly is extended. The duct piece conveying mechanism comprises a tunnel duct piece conveying vehicle and further comprises a first track laid along a tunnel and a second track penetrating through the first track, the first track is matched with the track wheels, and the second track is matched with the moving wheels. The tunnel duct piece transport vehicle and the duct piece transport mechanism achieve switching of the moving wheels and the rail wheels through the lifting assembly, and have the beneficial effects of being high in transport efficiency and protecting the completeness of duct pieces.

Description

TECHNICAL FIELD

[0001] The utility model relates to building material transportation equipment technical field, concretely relates to a tunnel segment carrier and segment transportation mechanism. BACKGROUND

[0002] On the engineering, generally use precast cement segment inner wall paving technology, that is, the tunnel support inner wall adopts precast cement segment one ring connects one ring's block segmentation assembly, and one ring of the tunnel section is generally composed of 4-12 segments, and the length of each ring is generally about 1.5 meters, and the cement segment connected ring by ring constitutes the tunnel inner wall.

[0003] Generally, the precast segment is transported to the tunnel construction site by the car, and then transported to the tunnel entrance by the site transfer car, the precast segment of the site transfer car is moved to the tunnel rail car by the crane, and finally transported to the tunnel interior by the tunnel rail car. The precast segment is moved from the site transfer car to the tunnel rail car, and a lifting device is needed, which increases the transportation time, and the precast segment is lifted and then put down, and the impact generated in the instant of putting down is easy to cause cracks in the precast segment, increasing the risk of damage.

[0004] Therefore, the prior art needs to be improved. CONTENT OF THE UTILITY MODEL

[0005] The technical problem to be solved by the utility model is that the crane is used when transferring the precast segment, which increases the transportation cost and increases the risk of damage to the precast segment, and the purpose is to provide a tunnel segment carrier and segment transportation mechanism, which has the beneficial effects of high transportation efficiency and protection of the integrity of the segment by using corresponding technical means.

[0006] The utility model realizes the following technical scheme:

[0007] Firstly, the utility model provides a tunnel segment carrier, which comprises a vehicle body carrying a segment, a mobile wheel is arranged at the bottom of the vehicle body, a lifting assembly is further arranged on the vehicle body, and a rail wheel is connected to the lifting assembly; the rail wheel is higher than the mobile wheel when the lifting assembly is shortened, and the rail wheel is lower than the mobile wheel when the lifting assembly is lengthened.

[0008] Through the above technical scheme, the tunnel segment carrier transports the segment from the construction site to the tunnel entrance by the mobile wheel, and then lowers the rail wheel onto the rail of the tunnel by the lifting assembly, so that the vehicle body and the mobile wheel are lifted, and the crane is not needed to lift the segment for transfer; the tunnel segment carrier transports the segment from the tunnel entrance to the deep part of the tunnel by the rail wheel.

[0009] Further, in the utility model, the lifting assembly comprises a jacking oil cylinder.

[0010] Further, in the utility model, the lifting assembly further includes a positioning support, the vehicle body is provided with a sliding groove for guiding the vertical sliding of the positioning support, and the positioning support is connected with the axle of the track wheel.

[0011] Further, in the utility model, the positioning support is provided with a support plate, and the support plate is connected with the jacking cylinder.

[0012] Further, in the utility model, the two positioning supports are located on the left and right sides of the track wheel.

[0013] Further, in the utility model, the jacking cylinder is located on the left and right sides of the track wheel.

[0014] Further, in the utility model, the top of the vehicle body is provided with a recess, and the recess has an inclined groove wall for supporting the segment.

[0015] Further, in the utility model, the vehicle body is further provided with a traction mechanism.

[0016] In the second aspect, the utility model provides a segment transportation mechanism, which comprises the tunnel segment transportation vehicle, a first track arranged along a tunnel, and a second track penetrating the first track, wherein the first track is matched with the track wheel, and the second track is matched with the moving wheel.

[0017] Through the above technical scheme, the tunnel segment transportation vehicle moves along the second track to transport the segment from a construction site to a tunnel entrance, and then the lifting assembly lowers the track wheel onto the track in the tunnel, so that the vehicle body and the moving wheel are lifted, and a crane is not needed to lift the segment for transfer, and the tunnel segment transportation vehicle moves along the first track by the track wheel to transport the segment from the tunnel entrance to a deep part of the tunnel.

[0018] Further, in the utility model, the first track is provided with a gap for the second track to penetrate, and the diameter of the track wheel is greater than that of the moving wheel.

[0019] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0020] 1. The transfer efficiency is improved: before transfer, the lifting assembly is in a shortened state, the track wheel is higher than the moving wheel, the tunnel segment transportation vehicle moves along the second track by the moving wheel to transport the segment from the construction site to the tunnel entrance, and during transfer, the lifting assembly only needs to be elongated to lower the track wheel onto the track in the tunnel, so that the vehicle body and the moving wheel are lifted. Compared with the crane for transferring the segment, the transfer efficiency is higher, and the tunnel construction progress is not affected.

[0021] 2. The protection pipe piece: since the pipe piece is not transported by lifting, the pipe piece will not be impacted by the moment of putting down, impact cracks of the pipe piece are avoided, and the protection effect of the pipe piece is better. BRIEF DESCRIPTION OF DRAWINGS

[0022] The drawings described herein are used to provide further understanding of the embodiments of the present application, constitute a part of the present application, and do not constitute a limitation to the embodiments of the present application. In the drawings:

[0023] Figure 1 It is a schematic view of the tunnel pipe piece transport vehicle before track changing of the present application;

[0024] Figure 2 It is a schematic view of the tunnel pipe piece transport vehicle after track changing of the present application;

[0025] Figure 3 It is Figure 2 a schematic view of the middle A;

[0026] Figure 4 It is a schematic view of the first track and the second track of the present application.

[0027] Markings in the drawings and corresponding names of parts: 1-vehicle body, 101-sliding groove, 102-groove, 1021-inclined groove wall, 2-moving wheel, 3-lifting assembly, 301-jacking oil cylinder, 302-positioning support, 3021-supporting plate, 4-track wheel, 5-first track, 501-gap, 6-second track. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application is further described in detail below in combination with embodiments and drawings, the schematic embodiments of the present application and the description thereof are only used to explain the present application, and do not limit the present application. The following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0029] It should be noted that similar reference numerals and letters refer to similar items in the following drawings, and therefore, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings. In the description of the embodiments of the utility model, it also needs to be explained that, unless explicitly defined and limited, if the terms "arrange", "mount", "connect" appear, they should be understood in a broad sense, for example, they can be fixedly connected, or detachably connected, or integrally connected; they can be mechanically connected, or electrically connected; they can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0030] Embodiment 1

[0031] The embodiment 1 provides a tunnel segment transport vehicle, as shown in the figure, and the specific structure is described as follows. Figures 1-3

[0032] Combined with Figure 1 The tunnel segment transport vehicle of the embodiment 1 mainly comprises four parts of a vehicle body 1, a moving wheel 2, a lifting assembly 3 and a track wheel 4, wherein the vehicle body 1 is used for carrying prefabricated segments, the moving wheel 2 is used for moving on a second track 6 in a construction site, the track wheel 4 is used for moving on a first track 5 in a tunnel, and the lifting assembly 3 is used for realizing the working conversion of the moving wheel 2 and the track wheel 4.

[0033] Further, the vehicle body 1 adopts the track-type electric flatcar in the prior art, which has the advantages of mature technology and strong carrying capacity. Four moving wheels 2 are installed at the bottom of the vehicle body 1 and used for moving on the second track 6 in the construction site. A recess 102 is formed at the top of the vehicle body 1, and the recess 102 has inclined groove walls 1021 on both sides, which support the bottom of the segment and have a good supporting effect on the segment, so that the segment is prevented from shaking.

[0034] In some embodiments of the embodiment, combined with Figure 1 Four track wheels 4 are installed on the outer side of the vehicle body 1, and the lifting assembly 3 comprises two parts of a jacking oil cylinder 301 and a positioning support 302.

[0035] Further, combined with Figure 2 And Figure 3 The positioning support 302 is configured as a metal cylinder, a vertical sliding groove 101 is formed at the bottom of the vehicle body 1, the top end of the positioning support 302 is inserted into the sliding groove 101, and the positioning support 302 can move vertically along the sliding groove 101. In order to maintain the balance of both sides of the track wheel 4, one positioning support 302 is installed on both sides of one track wheel 4, and the bottom of the positioning support 302 is fixedly connected with the axle of the track wheel 4. ​

[0036] In combination Figure 2 And Figure 3 As shown in FIG. 1, two jacking oil cylinders 301 are installed on both sides of the track wheel 4, and the positioning support 302 is fixedly provided with a support plate 3021 on the side away from the track wheel 4. The bottom end of the jacking oil cylinder 301 is fixedly connected with the support plate 3021, and the top end of the jacking oil cylinder 301 is connected with the vehicle body 1. When the jacking oil cylinder 301 is extended, the support plate 3021 and the positioning support 302 are pushed to move downward, and finally the track wheel 4 also moves downward. When the jacking oil cylinder 301 is shortened, the support plate 3021 and the positioning support 302 are pulled to move upward, and finally the track wheel 4 also moves upward.

[0037] The tunnel segment transport vehicle of the embodiment further comprises two towing vehicles, which are respectively installed on the second track 6 in the construction site and the first track 5 in the tunnel. When the tunnel segment transport vehicle is on the second track 6, it is driven to move by the towing vehicle, and when the tunnel segment transport vehicle is on the first track 5, it is driven to move by the towing vehicle.

[0038] The working principle of the tunnel segment transport vehicle of the embodiment 1 is as follows:

[0039] The tunnel segment transport vehicle transports the segments from the construction site to the tunnel entrance by the moving wheels 2, and then lowers the track wheel 4 onto the track in the tunnel by the lifting assembly 3, so that the vehicle body 1 and the moving wheels 2 are lifted up, without the need to use a crane to lift the segments for transfer. The tunnel segment transport vehicle transports the segments from the tunnel entrance to the deep part of the tunnel by the track wheel 4.

[0040] Embodiment 2

[0041] The segment transport mechanism of the embodiment adopts the tunnel segment transport vehicle of the embodiment 1, and is further provided with the first track 5 and the second track 6. The first track 5 is installed in the tunnel and is laid along the extension direction of the tunnel. The second track 6 is installed in the construction site and extends from the stacking place of the segments to the tunnel entrance.

[0042] In some embodiments of the embodiment, in combination Figure 1 And Figure 4 As shown in FIG. 1, the four moving wheels 2 are arranged in the transverse direction, and the four track wheels 4 are arranged in the longitudinal direction. The corresponding second track 6 is laid in the transverse direction, and the first track 5 is laid in the longitudinal direction. The first track 5 has a gap 501, and the second track 6 passes through the gap 501, which is also convenient for the moving wheels 2 to pass through.

[0043] When the tunnel segment transport vehicle moves on the second track 6, as shown in FIG. 1, the moving wheels 2 are driven to move by the towing vehicle, and the track wheel 4 is driven to move by the jacking oil cylinder 301. Figure 1As shown, the lifting assembly 3 is in a shortened state, the track wheel 4 is higher than the moving wheel 2, and the moving of the moving wheel 2 is not affected. When driving to the tunnel entrance, the track wheel 4 and the first track 5 are vertically aligned, and then the lifting assembly 3 is elongated, the track wheel 4 is lowered to above the first track 5, until the track wheel 4 is lower than the moving wheel 2, so that the vehicle body 1 and the moving wheel 2 are lifted, and at this time, as shown. Figure 2

[0044] It should be noted that in order to smoothly pass through the gap 501, the diameter of the track wheel 4 is larger than the diameter of the moving wheel 2, and the use effect is better.

[0045] In summary, the utility model provides a kind of tunnel segment transport vehicle, it includes the vehicle body 1 of carrying segment, the bottom of vehicle body 1 is provided with moving wheel 2, vehicle body 1 is also provided with lifting assembly 3, lifting assembly 3 is connected with track wheel 4, in the track wheel 4 of lifting assembly 3 shortening higher than moving wheel 2, in the track wheel 4 of lifting assembly 3 elongation lower than moving wheel 2.Lifting assembly 3 includes jacking cylinder 301.Lifting assembly 3 also includes positioning support 302, vehicle body 1 is opened with the sliding groove 101 of guiding positioning support 302 vertical sliding, positioning support 302 is connected with the wheel shaft of track wheel 4.Positioning support 302 is provided with support plate 3021, and support plate 3021 is connected with jacking cylinder 301.Two positioning supports 302 are located in the left and right sides of track wheel 4.Jacking cylinder 301 is located in the left and right sides of track wheel 4.The top of vehicle body 1 is opened with recess 102, and recess 102 has inclined groove wall 1021 that lifts segment.Also include traction mechanism, and traction mechanism is connected with vehicle body 1.The utility model also provides a kind of segment transport mechanism, it includes the above-mentioned tunnel segment transport vehicle, also includes the first track 5 along tunnel laying, and the second track 6 passing through the first track 5, the first track 5 is adapted to track wheel 4, and the second track 6 is adapted to moving wheel 2.The first track 5 is opened with the gap 501 for the second track 6 to pass through, and the diameter of track wheel 4 is greater than the diameter of moving wheel 2.Therefore, a kind of tunnel segment transport vehicle and segment transport mechanism of the utility model have the beneficial effects of high transport efficiency and protecting the integrity of segment.

[0046] The above specific embodiments further illustrate the purpose, technical solutions and beneficial effects of the utility model, and it should be understood that the above description is only a specific embodiment of the utility model, and is not used to limit the protection scope of the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.​

Claims

1. A tunnel segment transport vehicle, characterized in that: The invention comprises a vehicle body (1) for carrying a pipe segment, wherein a moving wheel (2) is provided at the bottom of the vehicle body (1), and the vehicle body (1) is further provided with a lifting assembly (3). The lifting assembly (3) is connected to a track wheel (4). When the lifting assembly (3) is shortened, the track wheel (4) is higher than the moving wheel (2), and when the lifting assembly (3) is extended, the track wheel (4) is lower than the moving wheel (2).

2. The tunnel segment transport vehicle according to claim 1, characterized in that: The lifting assembly (3) comprises a lifting cylinder (301).

3. The tunnel segment transport vehicle according to claim 2, characterized in that: The lifting assembly (3) further comprises a positioning support member (302); the vehicle body (1) is provided with a slide groove (101) for guiding the positioning support member (302) to slide vertically; and the positioning support member (302) is connected to the axle of the track wheel (4).

4. The tunnel segment transport vehicle according to claim 3, characterized in that: The positioning support member (302) is provided with a support plate (3021), and the support plate (3021) is connected to the jacking cylinder (301).

5. The tunnel segment transport vehicle according to claim 3, characterized in that: The two positioning support members (302) are located on the left and right sides of the track wheel (4).

6. The tunnel segment transport vehicle according to claim 5, characterized in that: The two lifting cylinders (301) are located on the left and right sides of the track wheel (4).

7. The tunnel segment transport vehicle according to claim 1, characterized in that: A groove (102) is provided on the top of the vehicle body (1), and the groove (102) has an inclined groove wall (1021) for supporting the tube sheet.

8. The tunnel segment transport vehicle according to claim 1, characterized in that: It also includes a traction mechanism, which is connected to the vehicle body (1).

9. A segment transport mechanism, characterized in that: The tunnel segment transport vehicle according to claim 1 further comprises a first track (5) laid along the tunnel, and a second track (6) passing through the first track (5), wherein the first track (5) is adapted to the track wheel (4), and the second track (6) is adapted to the moving wheel (2).

10. The segment transport mechanism according to claim 9, characterized in that: The first track (5) is provided with a gap (501) for the second track (6) to pass through, and the diameter of the track wheel (4) is larger than the diameter of the moving wheel (2).

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