Telescopic-spliced floating turnout applicable to long-distance shield tunnel

Abstract

The utility model relates to a telescopic-spliced floating turnout applicable to a long-distance shield tunnel. The telescopic-spliced floating turnout comprises a fixed steel rail, a driven wheel, a sleeper, a separated steel rail, a motor fixed below the sleeper and an infrared transmitter on the side edge of the separated steel rail, which are sequentially arranged from bottom to top, the separated steel rail comprises an upper steel rail body, a lower steel rail body and a fixing piece, the upper steel rail body and the lower steel rail body are connected through the fixing piece, and a plurality of vertical holes are formed in the side face of the separated steel rail body. The multiple sections of floating turnouts are connected through connecting pins so that splicing type connection of the multiple sections of floating turnouts can be achieved. Compared with the prior art, by arranging the separated steel rails and the infrared emitters, the field fall can be corrected, and an operation vehicle is prevented from overturning; meanwhile, the four steel rails are arranged on the floating turnout, the double-line effect of the vehicle is achieved, independent arrangement work of trolley rails is reduced, and manpower is effectively saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tunnel construction technical field especially to a telescopic-splicing type floating turnout suitable for long distance shield tunnel. BACKGROUND

[0002] Shield tunnel is an engineering technology for underground excavation. It uses a shield machine to excavate the tunnel while supporting the excavation face. The front end of the shield machine has a large cutter head that can cut through soil and rock, then discharge these materials outside the tunnel, while installing support structures (such as lining rings) inside the tunnel to maintain its stability. This technology is often used in urban metro, underground drainage systems, water supply pipelines, etc. because it can carry out large-scale underground excavation without damaging the ground surface. The advantages of shield tunnel construction include reducing ground disturbance, adapting to complex geological conditions, and improving construction safety.

[0003] During tunnel construction, some geological conditions are not suitable for shield construction, so when designing, the tunnel line will be offset downward or upward, resulting in an angle. The current floating turnout has a fixed height, and the vehicle may overturn or deviate when passing through these angles. In addition, many cities now have underground traffic networks, and new tunnels have certain size requirements. The existing floating turnout has a fixed size and is difficult to meet the size requirements of new tunnels.

[0004] Therefore, it is urgent to build a floating turnout suitable for long distance shield tunnel that can adjust the height and meet the needs of double-line operation in narrow space. SUMMARY

[0005] The utility model discloses a detachable-splicing type floating turnout suitable for long distance shield tunnel, which overcomes the defects of the prior art. By setting the split steel rail and the infrared emitter, the site drop can be corrected to avoid overturning of the working vehicle. At the same time, through the cooperation between the motor and the driven wheel, the automatic movement of the floating turnout is realized, and the fish tail bolt is set to effectively prevent the deviation of the floating turnout.

[0006] The purpose of the utility model can be realized by the following technical solutions:

[0007] The utility model provides a telescopic-splicing type floating turnout suitable for long distance shield tunnel, which comprises a fixed steel rail, a driven wheel, a sleeper, a split steel rail arranged in sequence from bottom to top, and a motor fixed below the sleeper and an infrared emitter on the side edge of the split steel rail.

[0008] The split steel rail comprises an upper steel rail, a lower steel rail and a fixing member, the upper steel rail and the lower steel rail are connected by the fixing member, and the side surface of the split steel rail is provided with a plurality of vertical holes.

[0009] The connecting pins are used for connecting the plurality of sections of the floating turnout, so that the plurality of sections of the floating turnout are connected in a splicing mode.

[0010] Further, fish tail bolts are arranged on both sides of the sleeper, and the fish tail bolts are used for fixing the sleeper on the shield segment, so that the floating turnout is prevented from being deviated during the transportation of the vehicle.

[0011] Further, four separated rails are arranged on the sleeper, and the four separated rails are arranged in two groups, and are used for connecting the operation vehicle.

[0012] Further, the four separated rails are arranged equidistantly on the sleeper.

[0013] Further, the motor is arranged on one side of the driven wheel, and the motor is used for driving the driven wheel.

[0014] Further, the infrared emitter is fixed on the side of the separated rail, and the infrared emitter is used for determining the height of the rail, so that the site fall is corrected, and the operation vehicle is prevented from overturning.

[0015] Further, the connecting holes are arranged at two ends of the floating turnout, and the connecting pins pass through the connecting holes, so that the plurality of sections of the floating turnout are spliced.

[0016] Further, the fixing members are long strip bolts, and two long strip bolts pass through the vertical holes on the separated rail in a transverse mode.

[0017] Further, the upper rail and the lower rail are in a plug-in structure, and the upper rail and the lower rail are provided with vertical holes on the side.

[0018] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0019] 1. In the utility model, the separated rail and the infrared emitter are arranged, so that the site fall is corrected, and the operation vehicle is prevented from overturning; meanwhile, the motor and the driven wheel are matched, so that the floating turnout is automatically moved, the fish tail bolt is arranged, and the floating turnout is effectively prevented from being deviated.

[0020] 2. The connecting pins are used for disassembling and splicing a plurality of floating turnouts with different specifications, so that the needs of double-line operation in a narrow site are met; in addition, four rails are arranged on the floating turnout, so that the vehicle is double-line operated, the work of separately arranging the track of the trolley is reduced, and the manpower is effectively saved.

[0021] 3. The separated rail in the utility model is in a plug-in structure, and is fixed by the long strip bolt, so that the height is adjusted, and the scene with different height needs is met. Attached Figure Description

[0022] Figure 1 This is a front view schematic diagram of a detachable-assembly floating turnout section structure suitable for long-distance shield tunnels;

[0023] Figure 2 This is a top view schematic diagram of a detachable-assembly floating turnout section structure suitable for long-distance shield tunnels;

[0024] Figure 3 for Figure 2 A partially enlarged schematic diagram of a floating turnout;

[0025] Figure 4 This is a cross-sectional view of the fixed rail in Example 1;

[0026] Figure 5 This is a schematic diagram showing the layout of the components in the floating turnout in Example 1;

[0027] Figure 6 This is a cross-sectional view of the floating turnout in Example 1;

[0028] Figure 7 This is a schematic diagram of the structure of the split rail in Example 1.

[0029] Explanation of the markings in the diagram:

[0030] 1-Fixed rail, 2-Driven wheel, 3-Sleeper, 4-Fish bolt, 5-Motor, 6-Work vehicle, 7-Separated rail, 8-Connecting pin, 9-Long strip bolt, 10-Infrared transmitter, 101-Floating turnout. Detailed Implementation

[0031] The specific implementation of this utility model will be described in detail below through examples. These examples are implemented based on the solution described in this utility model, and detailed implementation methods and specific operation processes are given. However, the protection scope of this utility model is not limited to the following examples.

[0032] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. Any component models, material names, connection structures, manufacturing methods, materials, structures, or composition ratios not explicitly stated in this technical solution are considered common technical features disclosed in the prior art. Example

[0033] This embodiment provides a retractable-joint floating turnout suitable for long-distance shield tunnels, such as... Figures 1 to 6As shown, the system includes, from bottom to top, a fixed rail 1, a driven wheel 2, a sleeper 3, a split rail 7, a motor 5 fixed below the sleeper 3, and an infrared transmitter 10 on the side of the split rail 7; the fixed rail 1 is as follows... Figure 4 As shown. The motor 5 is located on one side of the driven wheel 2, and the motor 5 is used to drive the driven wheel 2.

[0034] Fish-tail bolts 4 are provided on both sides of the sleeper 3. The fish-tail bolts 4 are used to fix the sleeper 3 to the shield tunnel segments to prevent the floating turnout from deviating during vehicle transportation. The sleeper 3 is provided with four separate rails 7. The four separate rails 7 are arranged in pairs for connecting the working vehicle 6.

[0035] like Figure 7 As shown, the fixing component is a long strip bolt 9, with two bolts 9 provided. These two bolts 9 pass laterally through the vertical holes on the split rail 7. The upper and lower rails are of a plug-in structure, with vertical holes on the sides of both rails. The bolts 9 pass through these holes to fix the upper and lower rails, allowing adjustment of the height of the split rail 7 to meet different height requirements. An infrared emitter 10 is fixed to the side of the split rail 7. The infrared emitter 10 is used to determine the height of the rails to correct for site elevation differences and prevent the operating vehicle 6 from overturning. The infrared emitter 10 can emit visible laser beams in both vertical and horizontal directions. The vertical beam determines the height of the rails, while the horizontal beam determines the horizontal height of each rail, ensuring that all rails are on the same horizontal plane.

[0036] The separate rail 7 includes an upper rail, a lower rail, and a fixing component. The upper rail and the lower rail are connected by the fixing component. The side of the separate rail 7 is provided with several vertical holes. The four separate rails 7 are equidistantly arranged on the sleeper 3.

[0037] like Figure 2 As shown, the multiple floating turnout sections 101 are connected by connecting pins 8 to achieve a splicable connection between them. Each end of the floating turnout has a connecting hole through which the connecting pin 8 passes to enable splicing between the multiple floating turnout sections.

[0038] The above description of the embodiments is provided to enable those skilled in the art to understand and use the utility model. It will be apparent to those skilled in the art that various modifications can be easily made to these embodiments, and the general principles described herein can be applied to other embodiments without inventive effort. Therefore, the present utility model is not limited to the above embodiments, and any improvements and modifications made by those skilled in the art based on the disclosure of the present utility model without departing from its scope should be within the protection scope of the present utility model.

Claims

1. A telescopic-spliced floating turnout suitable for long-distance shield tunneling, characterized in that, It comprises, from bottom to top, a fixed rail (1), a driven wheel (2), a sleeper (3), a detachable rail (7), a motor (5) fixed below the sleeper (3), and an infrared emitter (10) fixed at the side of the detachable rail (7). The detachable rail (7) comprises an upper rail, a lower rail and a fixing member, the upper rail and the lower rail are connected by the fixing member, and the side of the detachable rail (7) is provided with a plurality of vertical holes. The multiple sections of the floating turnout are connected by connecting pins (8) to realize the splicing connection between the multiple sections of the floating turnout.

2. The telescopic-spliced floating turnout suitable for long-distance shield tunneling according to claim 1, characterized in that, The sleeper (3) is provided with fish tail bolts (4) on both sides, which are used to fix the sleeper (3) on the shield segment to prevent the floating turnout from deviating during the transportation of the vehicle.

3. The telescopic-spliced floating turnout suitable for long-distance shield tunneling according to claim 1, characterized in that, The sleeper (3) is provided with four detachable rails (7), which are two groups of two, used to connect the working vehicle (6).

4. The telescopic-spliced floating turnout suitable for long-distance shield tunneling according to claim 3, characterized in that, The four detachable rails (7) are equidistantly arranged on the sleeper (3).

5. The telescopic-spliced floating turnout suitable for long-distance shield tunneling according to claim 1, characterized in that, The motor (5) is arranged on one side of the driven wheel (2), and the motor (5) is used to drive the driven wheel (2).

6. The telescopic-spliced floating turnout suitable for long-distance shield tunneling according to claim 1, characterized in that, The infrared emitter (10) is fixed on the side of the detachable rail (7), which is used to determine the height of the rail to correct the site drop and avoid the overturning of the working vehicle (6).

7. The telescopic-spliced floating turnout suitable for long-distance shield tunneling according to claim 1, characterized in that, Both ends of the floating turnout are provided with connecting holes, and the connecting pin (8) penetrates through the connecting hole to realize the splicing of the multiple sections of the floating turnout.

8. The telescopic-spliced floating turnout suitable for long-distance shield tunneling according to claim 1, characterized in that, The fixing member is a long strip-shaped bolt (9), and two long strip-shaped bolts (9) are arranged transversely through the vertical holes on the detachable rail (7).

9. The telescopic-spliced floating turnout suitable for long-distance shield tunneling according to claim 1, characterized in that, The upper rail and the lower rail are of a plug-in type structure, and the side of the upper rail and the lower rail is provided with a vertical hole.

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