Intelligent tunnel lining trolley

By designing a combination of V-shaped grooves and rubber strips on the tunnel lining trolley, the crack problem caused by uneven stress distribution is solved, and the stability and integrity of concrete at the construction joints are achieved.

CN222457460UActive Publication Date: 2025-02-11NINGXIA GUOYUN RAILWAY CONSTR HIGH-TECH MATERIALS TECH CO LTD +1
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Patent Information

Application Number
CN202421344798.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-13
Publication Date
2025-02-11
Estimated Expiration
2034-06-13

AI Technical Summary

Technical Problem

The existing tunnel lining trolleys are prone to circumferential and longitudinal cracks caused by uneven stress distribution during the installation and removal of the formwork, causing concrete to fall and crack in the construction joints.

Method used

An intelligent tunnel lining trolley was designed, using a combination of V-shaped grooves and rubber strips, and a V-shaped groove was reserved to solve the problem of cutting and grinding of construction joints into a V-shaped shape, and the circumferential and longitudinal pressure was released through flexible overlap. Avoid cracks caused by uneven stress.

Benefits of technology

It effectively avoids circumferential and longitudinal cracks caused by uneven stress distribution during the installation and removal of the formwork, and ensures the stability and integrity of the concrete at the construction joints.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of tunnel lining trolleys, and discloses an intelligent tunnel lining trolley which comprises a tunnel lining trolley body, the tunnel lining trolley body comprises a fixing frame, a plurality of jacking plates are fixedly arranged on the outer surface of the fixing frame, and each jacking plate comprises an arc-shaped plate. And plug plates are fixedly arranged in the middles of the upper ends of the multiple arc-shaped plates, a V-shaped groove is formed in the middle of the upper end of the front face of the tunnel lining trolley body, and a rubber strip is fixedly arranged in the V-shaped groove. According to the tunnel lining trolley, due to the arrangement of the V-shaped grooves and the rubber strips, the problem that construction joints are required to be cut and polished to be V-shaped during defect elimination of a work section is solved, the V-shaped grooves in the positions of the construction joints are in flexible lap joint, circumferential pressure and longitudinal pressure can be released, and the working efficiency is improved. And the problems of annular and longitudinal cracks caused by non-uniform stress distribution in the template mounting and dismounting process and concrete chipping and cracking at the construction joints can be avoided.
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Description

Technical Field

[0001] The utility model relates to the field of tunnel lining trolleys, in particular to an intelligent tunnel lining trolley. Background Art

[0002] Tunnel lining trolley is a special equipment that must be used in the secondary lining of the tunnel construction process. It is used for the concrete lining construction of the inner wall of the tunnel. The tunnel lining trolley is an indispensable non-standard product for the secondary lining of the tunnel construction process. There are mainly simple lining trolleys, fully hydraulic automatic walking lining trolleys and grid type lining trolleys, which are commonly used in the concrete secondary lining construction of highway, railway tunnels and underground caverns.

[0003] Most of the existing tunnel lining trolleys will have circumferential and longitudinal cracks due to uneven stress distribution during the installation and removal of formwork, resulting in concrete falling and cracking at the construction joints. Therefore, technical personnel in this field provide an intelligent tunnel lining trolley to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, and to propose an intelligent tunnel lining trolley, which solves the problem that the engineering section requires the construction joint to be cut and polished into a V shape for defect elimination, and the plugging plate is a visual plugging plate of the observation window type, so that it is convenient to observe the internal situation at any time during the construction process.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An intelligent tunnel lining trolley comprises a tunnel lining trolley body, a fixing frame and a top tightening plate, a ladder and a bearing plate, wherein the fixing frame is fixedly arranged inside the tunnel lining trolley body, and a plurality of top tightening plates are fixedly arranged on the outer surface of the fixing frame;

[0007] A plurality of bearing plates are fixedly arranged inside the body of the tunnel lining trolley, a ladder is fixedly arranged on one side of each of the bearing plates, a V-shaped groove is opened in the middle of the upper end of the front side of the body of the tunnel lining trolley, and a rubber strip is fixedly arranged inside the V-shaped groove;

[0008] Through the above technical scheme, the fixing frame plays a role in fixing the top tightening plate, and the reserved V-groove in the lining construction joint solves the problem that the engineering section requires the construction joint to be cut and polished into a V shape for defect elimination, and the V-groove at the construction joint adopts flexible overlap to release the circumferential and longitudinal pressure, and avoids the circumferential and longitudinal cracks caused by uneven stress distribution during the installation and removal of the formwork, resulting in concrete falling and cracking at the construction joint. The ladder can be used to facilitate the staff to climb onto the tunnel lining trolley, and the staff can use it to stand on the load-bearing plate to work.

[0009] Further, the top tightening plate includes an arc-shaped plate, a reserved clamping hole for a water stop, a plugging plate and a bolt hole, a plurality of the arc-shaped plates are fixedly provided with a plugging plate at the middle position of the upper end, a plurality of the arc-shaped plates are provided with a plurality of reserved clamping holes for a water stop at the upper position of the upper end, and a plurality of the arc-shaped plates are provided with a plurality of bolt holes inside;

[0010] Through the above technical solution, the plug plate adopts special acrylic transparent material, so the internal situation can be observed at any time. The reserved clamping holes of the waterstop belt can be used for water isolation and waterproofing, and the bolt holes can be used for internal threaded sleeves to install fastening bolts, so as to realize the installation and fixation of the top tightening plate.

[0011] Furthermore, baffles are fixedly provided on the upper ends of the plurality of the bearing plates, and a supporting mechanism is fixedly provided at the middle position of the tunnel lining trolley body;

[0012] Through the above technical solution, the baffle can be used to protect the staff, thereby ensuring the safety of the staff, and the supporting mechanism plays a role in supporting the tunnel lining trolley as a whole, ensuring the stability of the tunnel lining trolley during work.

[0013] Furthermore, a layer-changing adapter plate is fixedly arranged at the upper end of the interior of the tunnel lining trolley body, and a plurality of hydraulic cylinders are fixedly arranged on both sides of the upper end of the layer-changing adapter plate;

[0014] Through the above technical solution, the hydraulic cylinder can be used to support and fix the clamping plate.

[0015] Furthermore, fixed blocks are fixedly arranged on both sides of the middle of the lower end of the front side of the tunnel lining trolley body, and sliding blocks are fixedly arranged at the lower ends of the two fixed blocks;

[0016] Through the above technical solution, the fixing block can be used to fix the slider, and the bottom of the slider adopts soft overlap to effectively prevent damage and leakage, thereby ensuring the construction quality.

[0017] Furthermore, guardrails are fixedly arranged around the upper end of the layer-changing adapter plate;

[0018] Through the above technical solution, the guardrail plays a role in protecting the staff.

[0019] The utility model has the following beneficial effects:

[0020] 1. The utility model proposes an intelligent tunnel lining trolley, which solves the problem that the construction joints of the engineering section are required to be cut and polished into a V shape by setting V-shaped grooves and rubber strips, and the V-shaped grooves at the construction joints are flexibly overlapped to release circumferential and longitudinal pressures, and avoid circumferential and longitudinal cracks caused by uneven stress distribution during the installation and removal of the formwork, resulting in concrete falling and cracking at the construction joints.

[0021] 2. The utility model proposes an intelligent tunnel lining trolley. The top tightening plate of the tunnel lining trolley is made of a special acrylic transparent material for the plugging plate. The plugging plate is a visual plugging plate of the observation window type, so that it is convenient to observe the internal situation at any time during the construction process. The bottom of the slider adopts soft overlap to effectively prevent damage and leakage, thereby ensuring the construction quality. The guardrail plays a role in protecting the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the front axle side of an intelligent tunnel lining trolley proposed by the utility model;

[0023] Figure 2 This is a schematic diagram of the top tightening plate structure of an intelligent tunnel lining trolley proposed by the utility model;

[0024] Figure 3 This is a schematic diagram of the support structure of an intelligent tunnel lining trolley proposed in the utility model;

[0025] Figure 4 This is an enlarged view of point A of an intelligent tunnel lining trolley proposed in the utility model.

[0026] Legend:

[0027] 1. Tunnel lining trolley body; 2. Fixed frame; 3. Clamping plate; 4. Ladder; 5. Slider; 6. Load-bearing plate; 7. Baffle; 8. Support mechanism; 9. Layer transfer plate; 10. Fixed block; 11. Guardrail; 12. Hydraulic cylinder; 13. V-groove; 14. Rubber strip; 301. Arc plate; 302. Pre-reserved clamping hole for water stop; 303. Plug plate; 304. Bolt hole. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Reference Figure 1-4The utility model provides an embodiment: an intelligent tunnel lining trolley, comprising a tunnel lining trolley body 1, a fixing frame 2 and a tightening plate 3, a ladder 4, and a bearing plate 6. The fixing frame 2 is fixedly arranged inside the tunnel lining trolley body 1, and a plurality of tightening plates 3 are fixedly arranged on the outer surface of the fixing frame 2. A plurality of ladders 4 are fixedly arranged on both sides of the front of the tunnel lining trolley body 1; a plurality of bearing plates 6 are fixedly arranged on the front of the tunnel lining trolley body 1, and a V-shaped groove 13 is opened in the middle position of the upper end of the front of the tunnel lining trolley body 1, and a rubber strip 14 is fixedly arranged inside the V-shaped groove 13.

[0030] The tunnel lining trolley fixes the top plate 3 through the fixed frame 2, and the plug plate 303 is made of special acrylic transparent material, so the internal situation can be observed at any time. The V-groove 13 reserved in the lining construction joint solves the problem that the engineering section requires the construction joint to be cut and polished into a V shape for defect elimination, and the V-groove 13 at the construction joint adopts flexible overlap to release the circumferential and longitudinal pressure, and avoids the circumferential and longitudinal cracks caused by uneven stress distribution during the installation and removal of the formwork, resulting in concrete falling and cracking at the construction joint. The reserved clamping hole 302 of the waterstop belt can be used for waterproofing and water isolation, and the bolt hole 304 can be used for the internal thread sleeve to set the fastening bolt, so as to realize the installation and fixation of the top plate 3.

[0031] Reference Figure 1-3 A plurality of bearing plates 6 are fixedly arranged on the front of the tunnel lining trolley body 1, a ladder 4 is fixedly arranged on one side of the plurality of bearing plates 6, a baffle 7 is fixedly arranged on the upper end of the plurality of bearing plates 6, a supporting mechanism 8 is fixedly arranged in the middle position of the tunnel lining trolley body 1, a layer changing adapter plate 9 is fixedly arranged on the upper end of the tunnel lining trolley body 1, a plurality of hydraulic cylinders 12 are fixedly arranged on both sides of the upper end of the layer changing adapter plate 9, a fixed block 10 is fixedly arranged on both sides in the middle of the lower end of the front of the tunnel lining trolley body 1, a slider 5 is fixedly arranged on the lower end of the two fixed blocks 10, and a guardrail 11 is fixedly arranged around the upper end of the layer changing adapter plate 9.

[0032] The ladder 4 can be used to facilitate the staff to climb onto the tunnel lining trolley. The staff can stand on the load-bearing plate 6 to work. The baffle 7 can be used to protect the staff, thereby ensuring the safety of the staff. The support mechanism 8 supports the entire tunnel lining trolley and ensures the stability of the tunnel lining trolley during work. The hydraulic cylinder 12 can be used to support and fix the top plate 3. The fixing block 10 can be used to fix the slider 5. The bottom of the slider 5 adopts soft overlap to effectively prevent damage and leakage, thereby ensuring the construction quality. The guardrail 11 plays a role in protecting the staff.

[0033] Working principle: When in use, the tunnel lining trolley is moved to the inside of the tunnel through the guide rail, and then controlled by the control system to make the tunnel lining trolley work. During operation, the V-grooves 13 and rubber strips 14 are set to solve the problem that the engineering section requires the construction joints to be cut and polished into a V shape for defect elimination, and the V-grooves 13 at the construction joints are flexibly overlapped to release circumferential and longitudinal pressures, and to avoid circumferential and longitudinal cracks caused by uneven stress distribution during the installation and removal of the formwork, resulting in concrete falling and cracking at the construction joints. In addition, by using a special acrylic transparent material for the plugging plate 303, the plugging plate 303 is a visual plugging plate 303 of the observation window type, which makes it convenient to observe the internal situation at any time during the construction process.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An intelligent tunnel lining trolley, comprising a tunnel lining trolley body (1), a fixing frame (2), a top tightening plate (3), a ladder (4), and a bearing plate (6), characterized in that: A fixing frame (2) is fixedly arranged inside the tunnel lining trolley body (1), and a plurality of tightening plates (3) are fixedly arranged on the outer surface of the fixing frame (2); A plurality of bearing plates (6) are fixedly arranged inside the tunnel lining trolley body (1), a ladder (4) is fixedly arranged on one side of each of the plurality of bearing plates (6), a V-shaped groove (13) is provided in the middle of the upper front end of the tunnel lining trolley body (1), and a rubber strip (14) is fixedly arranged inside the V-shaped groove (13).

2. The intelligent tunnel lining trolley according to claim 1, characterized in that: The tightening plate (3) comprises an arc-shaped plate (301), a reserved clamping hole for a water stop (302), a plugging plate (303) and a bolt hole (304); a plugging plate (303) is fixedly arranged at the middle position of the upper end of the plurality of arc-shaped plates (301); the plurality of plugging plates (303) are made of a special acrylic transparent material; a plurality of reserved clamping holes for water stop (302) are opened at the upper position of the upper end of the plurality of arc-shaped plates (301); and a plurality of bolt holes (304) are opened inside the plurality of arc-shaped plates (301).

3. The intelligent tunnel lining trolley according to claim 1, characterized in that: A baffle (7) is fixedly provided at the upper end of each of the plurality of bearing plates (6), and a support mechanism (8) is fixedly provided at the middle position of the tunnel lining trolley body (1).

4. The intelligent tunnel lining trolley according to claim 1, characterized in that: A layer-changing adapter plate (9) is fixedly arranged at the upper end of the interior of the tunnel lining trolley body (1), and a plurality of hydraulic cylinders (12) are fixedly arranged on both sides of the upper end of the layer-changing adapter plate (9).

5. The intelligent tunnel lining trolley according to claim 1, characterized in that: Fixed blocks (10) are fixedly arranged on both sides of the middle of the lower end of the front side of the tunnel lining trolley body (1), and sliding blocks (5) are fixedly arranged at the lower ends of the two fixed blocks (10), and the bottoms of the two sliding blocks (5) are both softly overlapped.

6. The intelligent tunnel lining trolley according to claim 4, characterized in that: Guardrails (11) are fixedly arranged around the upper end of the layer-changing adapter plate (9).