Accurate control device for pouring thickness of tunnel lining concrete

By designing a rotating connecting column and a threaded column structure, combined with a bubble level and adjusting nuts, precise control of the thickness of the tunnel lining concrete pouring was achieved, solving the problems of uneven thickness and inaccurate measurement in traditional methods, and improving construction efficiency and accuracy.

CN120906594APending Publication Date: 2025-11-07THE SECOND CONSTRUCTION ENGINEERING CO LTD CCSEB
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Patent Information

Application Number
CN202511346689.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-09-19
Publication Date
2025-11-07

AI Technical Summary

Technical Problem

In traditional tunnel lining construction, the control of concrete pouring thickness relies on manual experience, resulting in uneven thickness and difficulty in achieving precise control. Furthermore, existing devices are prone to instability during adjustment, affecting measurement accuracy and installation efficiency.

Method used

The system employs a rotating connecting column and threaded column structure. The mounting plate is leveled using a bubble level and adjusting nuts. The threaded connection between the lifting plate and the lifting column ensures that the mounting plate is level. A float plate and a reading ruler are used to measure the concrete thickness to prevent interference and slippage.

Benefits of technology

It enables precise control of the thickness of the tunnel lining concrete pouring, improves measurement accuracy and installation efficiency, and avoids measurement errors and equipment instability caused by uneven pouring openings.

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Abstract

The invention relates to the field of measuring tools, and discloses a tunnel lining concrete pouring thickness accurate control device, two sides of a mounting plate are fixedly connected with rotary connecting blocks, the inner sides of the rotary connecting blocks are provided with through rotary connecting column sliding grooves, and the inner sides of the rotary connecting column sliding grooves are slidably and rotatably connected with rotary connecting columns; lifting plates are fixedly connected to the two ends of the rotary connecting column, lifting columns are fixedly connected to the lower portions of the lifting plates, axially-penetrating threaded holes are formed in the inner sides of the lifting plates and the inner sides of the lifting columns, and threaded columns are in threaded connection with the inner sides of the threaded holes. Through threaded connection of a threaded column and a threaded hole, a lifting plate and a lifting column can be driven to slidably ascend and descend on the outer side of the threaded column, at the moment, a rotary connecting column rotates and slides in a rotary connecting column sliding groove, and therefore a mounting plate can be placed horizontally, measurement accuracy is guaranteed, and the equipment only needs to rotate an adjusting nut on the outer side of a pouring layer. The device can be adjusted to be horizontal, adjustment is convenient, and the device installation efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of measuring tools, and particularly relates to a tunnel lining concrete pouring thickness precision control device. BACKGROUND

[0002] In the tunnel lining construction process, the precise control of the concrete pouring thickness is one of the key factors to ensure the engineering quality. The traditional construction method often relies on manual experience, and it is difficult to realize the precise control of the concrete thickness, which is easy to cause the uneven thickness of the tunnel lining and quality problems.

[0003] A tunnel secondary lining pouring thickness real-time detection device is disclosed in an application with the publication number CN219798171U, which comprises a mounting plate, two symmetrical horizontally arranged horizontal measuring instruments fixedly connected to the upper surface of the mounting plate, an adjusting mechanism arranged on the lower surface of the mounting plate, the adjusting mechanism comprising a fixed plug; a pouring pipe fixedly connected to the upper surface of the mounting plate, a measuring rod one and a measuring rod two slidingly connected to the inner side of the mounting plate, a size table fixedly connected to the front surface of the measuring rod one and the measuring rod two, a floating plate fixedly connected to the side surface of the measuring rod one and the measuring rod two, and a limiting plate arranged above the floating plate and on the side surface of the measuring rod one and the measuring rod two. Through the above structure, the device can be adjusted by the two horizontal instruments and the adjusting mechanism to be on the same horizontal plane as the ground, and the pouring thickness can be detected by the two measuring rods to ensure the accuracy of detection and improve the practicality of the device.

[0004] However, the real-time detection device in the application has the following problems. In the adjusting mechanism, the distance between the mounting plate and the supporting screw rod changes from an inclination to a horizontal state, which affects the fixed plug that has been fixed, causes the equipment to be unstable, the measurement to be inaccurate, and the installation efficiency to be low. SUMMARY

[0005] The purpose of the present application is to solve the above-mentioned problems and provide a tunnel lining concrete pouring thickness precision control device.

[0006] The technical scheme adopted by the present application is as follows: a tunnel lining concrete pouring thickness precision control device, comprising a mounting plate, rotating connecting blocks fixedly connected to the two sides of the mounting plate, a rotating connecting column sliding groove penetratingly arranged in the inner side of the rotating connecting block, a rotating connecting column slidingly and rotatably connected to the inner side of the rotating connecting column sliding groove, lifting plates fixedly connected to the two ends of the rotating connecting column, lifting columns fixedly connected to the lower part of the lifting plates, axial screw holes penetratingly arranged in the inner sides of the lifting plates and the lifting columns, and screw columns screwedly connected to the inner sides of the screw holes.

[0007] By adopting the technical scheme, the device is placed at the pouring opening position, the device is fixed outside the pouring opening through the fixed cone head, when the outside of the pouring opening is uneven, the bubble level is observed, then the adjusting nut is rotated to drive the threaded column to rotate, the threaded connection between the threaded column and the threaded hole can drive the lifting plate and the lifting column to slide up and down outside the threaded column, at this time, the rotary connecting column is rotated and slid in the rotary connecting column sliding groove, so that the mounting plate can be placed horizontally, the measurement accuracy is ensured, and the device only needs to rotate the adjusting nut outside the pouring layer, so that the device level can be adjusted, the adjustment is convenient, and the installation efficiency of the device is improved.

[0008] In a preferred embodiment, a pouring pipe is fixedly connected above the mounting plate, and a bottom end of the pouring pipe penetrates through the mounting plate and extends below the mounting plate.

[0009] By adopting the technical scheme, the pouring layer can be conveniently poured with concrete, and the floating plate is prevented from being disturbed during pouring of the concrete, so that the measurement is not accurate.

[0010] In a preferred embodiment, a bubble level is fixedly connected above the mounting plate.

[0011] By adopting the technical scheme, whether the device is in a horizontal state can be known by observing the bubbles inside the bubble level.

[0012] In a preferred embodiment, a measurement rod sliding groove that is axially penetrated is formed above the mounting plate, right and left measurement rods are slidably connected inside the measurement rod sliding groove, and floating plates are fixedly connected to lower sides of the right and left measurement rods.

[0013] By adopting the technical scheme, the floating plates are floated by the buoyancy of the concrete, so that the right measurement rod is slid upward in the measurement rod sliding groove.

[0014] In a preferred embodiment, reading scales are fixedly connected to front sides of the right and left measurement rods.

[0015] By adopting the technical scheme, the height to which the floating plates are floated can be observed through the reading scales, so that the thickness of the poured concrete is determined.

[0016] In a preferred embodiment, limit blocks are fixedly connected to upper sides of the right and left measurement rods.

[0017] By adopting the technical scheme, the right and left measurement rods can be prevented from sliding in the measurement rod sliding groove.

[0018] In a preferred embodiment, a fixed cone head is rotatably connected below the threaded column.

[0019] By adopting the technical scheme, the device can be fixed, and the fixed cone head will not be disturbed when the device is adjusted.

[0020] In a preferred embodiment, the upper end of the threaded column is fixedly connected with an adjusting nut.

[0021] By adopting the technical scheme, the device can be conveniently adjusted to be horizontal.

[0022] In a preferred embodiment, the position of the limiting block is at the same horizontal plane as the top end of the reading scale.

[0023] By adopting the technical scheme, the reading and the rising height of the concrete are kept consistent.

[0024] In a preferred embodiment, the right measuring rod and the left measuring rod are symmetrically arranged.

[0025] By adopting the technical scheme, the accuracy of the reading is kept.

[0026] In summary, due to the adoption of the technical scheme, the present application has the following beneficial effects: In the operation and use of the device, the device is placed at the pouring position, the device is fixed outside the pouring position through the fixed cone head, when the outside of the pouring position is not flat, the bubble level is observed, then the adjusting nut is rotated to drive the threaded column to rotate, the lifting plate and the lifting column can be driven to slide and rise and fall outside the threaded column through the threaded connection of the threaded column and the threaded hole, at this time, the rotating connecting column is rotated and slid in the rotating connecting column sliding groove, so that the mounting plate can be placed horizontally, the accuracy of the measurement is ensured, and the device only needs to rotate the adjusting nut outside the pouring layer, so that the device can be adjusted to be horizontal, which is convenient to adjust and improves the installation efficiency of the device. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 The figure is a schematic diagram of the overall structure of the device of the present application; Figure 2 The figure is a schematic diagram of the lifting plate structure of the device in the present application; Figure 3 The figure is a schematic diagram of the lifting plate connecting structure of the device in the present application; Figure 4 The figure is a schematic diagram of the threaded column structure of the device in the present application; Figure 5 The figure is a schematic diagram of the measuring rod structure of the device in the present application.

[0028] Marked: 1, mounting plate; 2, rotating connecting block; 3, rotating connecting column sliding groove; 4, rotating connecting column; 5, lifting plate; 6, lifting column; 7, threaded hole; 8, threaded column; 9, fixed cone head; 10, adjusting nut; 11, bubble level; 12, measuring rod sliding groove; 13, right measuring rod; 14, reading scale; 15, limiting block; 16, floating plate; 17, pouring pipe; 18, left measuring rod. DETAILED DESCRIPTION

[0029] To make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0030] EMBODIMENT WITH REFERENCE TO Figures 1-5 A device for precisely controlling the pouring thickness of tunnel lining concrete, comprising a mounting plate 1, rotating connecting blocks 2 fixedly connected to the two sides of the mounting plate 1, rotating connecting column sliding grooves 3 provided in the inner sides of the rotating connecting blocks 2, rotating connecting columns 4 slidingly and rotatably connected to the inner sides of the rotating connecting column sliding grooves 3, lifting plates 5 fixedly connected to the two ends of the rotating connecting columns 4, lifting columns 6 fixedly connected to the lower sides of the lifting plates 5, axial threaded holes 7 provided in the inner sides of the lifting plates 5 and the lifting columns 6, and threaded columns 8 threadedly connected to the inner sides of the threaded holes 7.

[0031] WITH REFERENCE TO Figures 1-5 The device is placed at the pouring position, and the device is fixed outside the pouring opening through the fixed cone head 9. When the outer side of the pouring opening is not flat, the bubble level 11 is observed, then the threaded column 8 is rotated by rotating the adjusting nut 10, the lifting plate 5 and the lifting column 6 can be lifted and lowered outside the threaded column 8 through the threaded connection of the threaded column 8 and the threaded hole 7, at this time the rotating connecting column 4 rotates and slides in the rotating connecting column sliding groove 3, so that the mounting plate 1 can be placed horizontally to ensure the accuracy of measurement, and the device only needs to rotate the adjusting nut 10 outside the pouring layer to adjust the level of the device, which is convenient for adjustment.

[0032] WITH REFERENCE TO Figures 1-2 The pouring pipe 17 is fixedly connected to the upper side of the mounting plate 1, and the bottom end of the pouring pipe 17 penetrates through the mounting plate 1 and extends to the lower side of the mounting plate 1. The pouring of concrete in the pouring layer can be facilitated, and the floating plate 16 can be prevented from being disturbed during the pouring of concrete, so that the measurement is not accurate.

[0033] WITH REFERENCE TO Figure 1The upper side of the mounting plate 1 is fixedly connected with a bubble level 11.

[0034] Referring to Figures 1-5 The upper side of the mounting plate 1 is provided with an axially-through measuring rod sliding groove 12, the inner side of the measuring rod sliding groove 12 is slidingly connected with a right measuring rod 13 and a left measuring rod 18, the lower side of the right measuring rod 13 and the left measuring rod 18 is fixedly connected with a float plate 16. The float plate 16 is floated by the float force of the concrete, thereby driving the right measuring rod 13 to slide upward in the measuring rod sliding groove 12.

[0035] Referring to Figures 1-5 The front side of the right measuring rod 13 and the left measuring rod 18 is fixedly connected with a reading scale 14. The height of the float plate 16 being floated can be observed through the reading scale 14, thereby determining the thickness of the concrete pouring.

[0036] Referring to Figures 1-5 The upper side of the right measuring rod 13 and the left measuring rod 18 is fixedly connected with a limiting block 15. The right measuring rod 13 and the left measuring rod 18 can be prevented from sliding in the measuring rod sliding groove 12.

[0037] Referring to Figures 1-4 The lower side of the threaded column 8 is rotatably connected with a fixed cone head 9. The device can be fixed, and the fixed cone head 9 will not be disturbed when the device is adjusted.

[0038] Referring to Figures 1-4 The upper side of the threaded column 8 is fixedly connected with an adjusting nut 10. The device can be conveniently adjusted to be horizontal.

[0039] Referring to Figures 1-5 The position of the limiting block 15 is at the same horizontal plane as the top end of the reading scale 14. The reading and the height of the concrete rising are kept consistent.

[0040] Referring to Figure 1 The right measuring rod 13 and the left measuring rod 18 are symmetrically arranged. The accuracy of the reading is kept.

[0041] The implementation principle of the tunnel lining concrete pouring thickness precision control device embodiment of the application is as follows: In the working use of the device, the device is placed at the pouring opening position, the device is fixed outside the pouring opening through the fixed cone head 9, when the outside of the pouring opening is uneven, the bubble level 11 is observed, then the adjusting nut 10 is rotated to drive the threaded column 8 to rotate, through the threaded connection of the threaded column 8 and the threaded hole 7, the lifting plate 5 and the lifting column 6 can be driven to slide up and down outside the threaded column 8, at this time the rotating connecting column 4 is rotated and slides in the rotating connecting column sliding groove 3, so that the mounting plate 1 can be placed horizontally, the accuracy of measurement is ensured, and the device only needs to rotate the adjusting nut 10 outside the pouring layer, so that the device can be adjusted horizontally, which is convenient to adjust and improves the installation efficiency of the device.

[0042] The above examples are only used to illustrate the technical solutions of the present application, but not to limit it; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can still be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A device for precise control of the thickness of tunnel lining concrete placement, comprising a mounting plate (1), characterized in that: Both sides of the mounting plate (1) are fixedly connected with rotating connecting blocks (2), the inner side of the rotating connecting block (2) is provided with a penetrating rotating connecting column sliding groove (3), the inner side of the rotating connecting column sliding groove (3) is slidably and rotatably connected with a rotating connecting column (4), both ends of the rotating connecting column (4) are fixedly connected with lifting plates (5), the lower side of the lifting plate (5) is fixedly connected with lifting columns (6), the inner side of the lifting plate (5) and the lifting column (6) is provided with an axially penetrating threaded hole (7), the inner side of the threaded hole (7) is threadedly connected with a threaded column (8).

2. The device for accurately controlling the pouring thickness of tunnel lining concrete of claim 1, wherein: The upper side of the mounting plate (1) is fixedly connected with a pouring pipe (17), the bottom end of the pouring pipe (17) penetrates through the mounting plate (1) and extends to the lower side of the mounting plate (1).

3. The device for accurately controlling the pouring thickness of tunnel lining concrete of claim 1, wherein: The upper side of the mounting plate (1) is fixedly connected with a bubble level (11).

4. The device for accurately controlling the pouring thickness of tunnel lining concrete of claim 1, wherein: The upper side of the mounting plate (1) is provided with an axially penetrating measuring rod sliding groove (12), the inner side of the measuring rod sliding groove (12) is slidably connected with a right measuring rod (13) and a left measuring rod (18), the lower side of the right measuring rod (13) and the left measuring rod (18) is fixedly connected with a floating plate (16).

5. The device for precise control of the thickness of the tunnel lining concrete placement according to claim 4, characterized in that: The front side of the right measuring rod (13) and the left measuring rod (18) is fixedly connected with a reading scale (14).

6. The device for precise control of the concrete pouring thickness of a tunnel lining according to claim 4, characterized in that: The upper side of the right measuring rod (13) and the left measuring rod (18) is fixedly connected with a limiting block (15).

7. The device for precise control of the thickness of the tunnel lining concrete placement according to claim 1, characterized in that: The lower side of the threaded column (8) is rotatably connected with a fixed cone head (9).

8. The device for precise control of the thickness of the tunnel lining concrete placement according to claim 1, characterized in that: The upper side of the threaded column (8) is fixedly connected with an adjusting nut (10).

9. The device for precise control of the thickness of the tunnel lining concrete placement according to claim 6, characterized in that: The position of the limiting block (15) is at the same horizontal plane with the top end of the reading scale (14).

10. The device for precise control of the concrete placement thickness of a tunnel lining according to claim 4, characterized in that: The right measuring rod (13) and the left measuring rod (18) are symmetrically arranged.

Citation Information

Patent Citations

  • Tunnel secondary lining pouring thickness real-time detection device

    CN219798171U