Assembly type inverted arch fine adjustment positioning device

The fine-tuning machine, which uses horizontal and vertical positioning systems, performs high-precision adjustment of the precast invert arch blocks, solving the problems of insufficient precision and complex operation in existing technologies, and achieving efficient and safe construction results.

CN223881198UActive Publication Date: 2026-02-06CHINA RAILWAY 22ND BUREAU GROUP CORP LTD +1
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Patent Information

Application Number
CN202520776628.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-23
Publication Date
2026-02-06
Estimated Expiration
2035-04-23

AI Technical Summary

Technical Problem

Existing precision adjustment and positioning devices are not suitable for prefabricated construction due to insufficient precision, resulting in large deviations in the installation position of the precast invert blocks, complicated manual operation, and increased construction difficulty and cost.

Method used

A fine-tuning machine, including a horizontal and vertical positioning system, is used to adjust the precast invert arch blocks with high precision using horizontal and vertical jacks, simplifying the operation and reducing reliance on manual labor.

Benefits of technology

This achieved high-precision positioning of the precast invert arch blocks, shortening the positioning time, improving construction efficiency, and reducing construction costs and safety risks.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an assembly type inverted arch fine adjustment positioning device which comprises a fine adjustment machine, and the fine adjustment machine comprises a transverse positioning system, a longitudinal positioning system and an inverted arch precast block arranged at the end of the fine adjustment machine. The transverse positioning system comprises a primary supporting steel arch, a transverse supporting seat and a transverse jack arranged at the end part of the transverse supporting seat; the longitudinal positioning system comprises a vertical jack and a longitudinal supporting seat arranged below the vertical jack. According to the assembly type inverted arch fine adjustment positioning device, fine adjustment positioning is carried out on the assembly type inverted arch precast block through the fine adjustment machine, so that high-precision positioning of the assembly type inverted arch precast block is achieved, it is ensured that the position of the precast block is accurate, meanwhile, positioning time can be remarkably shortened, construction efficiency is improved, and the overall progress is accelerated.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of assembly type construction technology, and concretely relates to an assembly type inverted arch fine adjustment positioning device. BACKGROUND

[0002] In the assembly type construction process, the precision adjustment of the inverted arch precast block is very crucial in the assembly type tunnel construction method, and in complex environments such as tunnels and underground engineering, the installation precision of the inverted arch precast block directly affects the quality and safety of the tunnel construction project, and the precision adjustment and positioning device plays an important role in the assembly of the inverted arch precast block, which can quickly and accurately adjust the position and attitude of the inverted arch precast block, significantly improve the construction efficiency, precision and quality, and also reduce the construction cost and safety risk.

[0003] However, the existing precision adjustment and positioning device has many shortcomings in actual application, which limits the improvement of construction efficiency and quality. First of all, the current precision adjustment and positioning device is not suitable for assembly type construction scheme, and its precision is insufficient, which makes it difficult to achieve high-precision adjustment of the inverted arch precast block, resulting in large installation position deviation of the inverted arch precast block and affecting the overall project quality. In addition, the manual operation is complex, the adjustment process is tedious, and the operation requirements for the workers are high, thereby increasing the construction difficulty and time cost. Therefore, how to design a precision adjustment and positioning device with simple operation, high precision adjustment and accurate positioning is the key to assembly type construction.

[0004] Therefore, the utility model is proposed. SUMMARY

[0005] The first purpose of the utility model is to provide an assembly type inverted arch fine adjustment positioning device, which adjusts and positions the assembly type inverted arch precast block through a fine adjustment machine, thereby realizing high-precision positioning of the assembly type inverted arch precast block, ensuring accurate positioning of the precast block and significantly shortening the positioning time, improving the construction efficiency and accelerating the overall progress.

[0006] In order to achieve the above purpose of the utility model, the following technical scheme is adopted:

[0007] An assembly type inverted arch fine adjustment positioning device, comprising a fine adjustment machine, wherein the fine adjustment machine comprises a transverse positioning system, a longitudinal positioning system and an inverted arch precast block arranged at the end of the fine adjustment machine.

[0008] The transverse positioning system comprises a primary steel arch support, a transverse support seat and a transverse jack arranged at the end of the transverse support seat.

[0009] The longitudinal positioning system comprises a vertical jack and a longitudinal support seat arranged below the vertical jack.

[0010] In the utility model, through provide a kind of assembled inverted arch fine adjustment positioning device to realize the high-precision adjustment and positioning of inverted arch precast block, using the device can better ensure that inverted arch precast block placement position is accurate, reduces error, can realize millimeter level high-precision adjustment to ensure the position and angle of inverted arch precast block, and the fine adjustment device, its artificial requirement difficulty is low, easy to operate, reduce the dependence on artificial experience, reduce the risk of human error, significantly shorten positioning time, improve construction efficiency to speed up the overall progress of construction, wherein the fine adjustment machine in the utility model includes horizontal positioning system, longitudinal positioning system and inverted arch precast block being arranged at the end of fine adjustment machine.

[0011] Preferably, as a further specific embodiment, the horizontal adjustment seat includes two partitions and a horizontal bar fixedly arranged at the center of the two partitions; wherein the surface of the partition is uniformly provided with a plurality of circular through holes.

[0012] Preferably, as a further specific embodiment, the longitudinal support seat is triangular, wherein the inclined surface of the triangular longitudinal support seat is in close contact with the surface of the excavated foundation pit.

[0013] Preferably, as a further specific embodiment, the horizontal positioning system and the longitudinal positioning system are in abutment with the inverted arch precast block.

[0014] Preferably, as a further specific embodiment, both sides of the triangular longitudinal support seat are provided with handles for carrying.

[0015] Preferably, as a further specific embodiment, one end of the horizontal support seat is closely attached to the primary steel arch frame.

[0016] Preferably, as a further specific embodiment, the longitudinal support seat is arranged on the steel plate base arranged at the bottom of the tunnel, and the longitudinal support seat is provided with a slide rail at the bottom, so that the longitudinal positioning system slides on the steel plate base.

[0017] In the utility model, through setting up a kind of assembly type inverted arch fine adjustment positioning device in assembly type construction scheme to realize the high-precision adjustment of inverted arch precast block in millimeter level in narrow tunnel, in the fine adjustment positioning device of prior art, since the jack used is bulky and more complex to operate, it is high in artificial requirement and difficult to operate, not applicable to the precision adjustment of inverted arch precast block in assembly type construction scheme, and the assembly type inverted arch fine adjustment positioning device in the utility model can realize the high-precision adjustment of inverted arch precast block in narrow tunnel, including initial support steel arch, lateral support seat and lateral jack arranged at the end of lateral support seat in lateral positioning system, wherein initial support steel arch is installed immediately after tunnel excavation, can effectively support surrounding rock, prevent loosening or collapse to ensure construction safety, in addition, the baffle of one of lateral support seat is closely attached to initial support steel arch, and lateral jack is fixedly connected with lateral support seat by the circular through hole on the baffle of another baffle in lateral support seat, and lateral support seat can adjust lateral jack to be flush with horizontal plane, to avoid the influence of the position deviation of lateral jack on the position precision adjustment of inverted arch precast block, and then the top of lateral jack is abutted with inverted arch precast block, wherein lateral jack is screw hand-operated jack, so that the position adjustment of inverted arch precast block in lateral direction can be realized by hand operation;And wherein longitudinal positioning system includes vertical jack and longitudinal support seat arranged below vertical jack, longitudinal support seat is arranged in triangular shape, and the inclined surface is attached to the excavation pit surface, so that the longitudinal positioning system is flush with horizontal plane by such shape arrangement, vertical jack is placed in the circular groove on longitudinal positioning seat, and then the top of longitudinal positioning system is abutted with inverted arch precast block to avoid the deviation of vertical jack, and the longitudinal position adjustment of inverted arch precast block can be realized by adjusting vertical jack, and slide rail is further arranged below longitudinal positioning system in the utility model, and steel plate base is further arranged on the part of tunnel bottom in contact with slide rail, so that longitudinal positioning system can move in tunnel along steel plate base, to avoid manual disassembly and reassembly when the device is used for the precision adjustment of next inverted arch precast block, and the specified adjustment position of lateral positioning system can be reached by sliding.

[0018] Compared with the prior art, the utility model has the advantages of:

[0019] (1) The assembly type inverted arch fine adjustment positioning device provided by the utility model realizes the high-precision positioning of assembly type inverted arch precast block by fine adjustment machine, ensures the accurate position of precast block, significantly shortens the positioning time, improves construction efficiency, and speeds up the overall progress. BRIEF DESCRIPTION OF DRAWINGS

[0020] Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The accompanying drawings are included to provide a description of the preferred embodiments and are not intended to limit the present application. Furthermore, the same reference numerals are used throughout the various drawings to denote the same or similar parts.

[0021] wherein, Figure 1 is a structural diagram of an assembled inverted arch fine adjustment positioning device of the present application;

[0022] Figure 2 is a structural diagram of a transverse support seat in the present application;

[0023] Figure 3 is a structural diagram of a longitudinal support seat in the present application.

[0024] wherein, 1: primary steel arch support; 2. inverted arch precast block; 3. transverse jack; 4. vertical jack; 5. transverse support seat; 6. longitudinal support seat; 7. circular groove; 8. handle; 9. partition; 10. crossbar. DETAILED DESCRIPTION

[0025] The technical solutions of the present application will be described clearly and completely in combination with specific embodiments, but those skilled in the art will understand that the following described embodiments are part of the embodiments of the present application, not all the embodiments, and are only used to illustrate the present application, and should not be considered as limiting the scope 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 are within the scope of protection of the present application.

[0026] In order to more clearly describe the technical solutions in the present application, the following will be described in the form of specific embodiments.

[0027] Embodiment 1

[0028] In the present application, a kind of assembled inverted arch fine adjustment positioning device is involved, which includes fine adjustment machine, the fine adjustment machine includes transverse positioning system, longitudinal positioning system and the inverted arch precast block 2 of setting at the end of fine adjustment machine;

[0029] Wherein the transverse positioning system includes primary steel arch support 1, transverse support seat 5 and transverse jack 3 arranged at the end of transverse positioning seat, wherein the structure of transverse support seat 5 is as shown in Figure 2 ;

[0030] The longitudinal positioning system includes vertical jack 4 and longitudinal support seat 6 arranged below the vertical jack 4;

[0031] Wherein as Figure 2As shown in the figure, the longitudinal support seat 6 is arranged in a triangular shape and the inclined surface of the triangular longitudinal support seat 6 is in close contact with the surface of the excavated foundation pit, so that the plane of the longitudinal positioning system is flush with the horizontal plane;

[0032] As shown in the figure, the longitudinal support seat 6 is arranged in a triangular shape and the inclined surface of the triangular longitudinal support seat 6 is in close contact with the surface of the excavated foundation pit, so that the plane of the longitudinal positioning system is flush with the horizontal plane; Figure 3 As shown in the figure, the transverse support seat 5 includes two partitions 9 and a crossbar 10 fixedly arranged at the center of the two partitions; the surface of the partition 9 is uniformly provided with a plurality of circular through holes;

[0033] Further, the transverse positioning system and the longitudinal positioning system are in abutment with the inverted arch precast block 2, so that the inverted arch precast block 2 can be adjusted to the accurate position through the transverse positioning system and the longitudinal positioning system;

[0034] As shown in the figure, the longitudinal support seat 6 is arranged in a triangular shape and the inclined surface of the triangular longitudinal support seat 6 is in close contact with the surface of the excavated foundation pit, so that the plane of the longitudinal positioning system is flush with the horizontal plane; Figure 2 As shown in the figure, the longitudinal support seat 6 is arranged in a triangular shape and the inclined surface of the triangular longitudinal support seat 6 is in close contact with the surface of the excavated foundation pit, so that the plane of the longitudinal positioning system is flush with the horizontal plane;

[0035] As shown in the figure, the longitudinal support seat 6 is arranged in a triangular shape and the inclined surface of the triangular longitudinal support seat 6 is in close contact with the surface of the excavated foundation pit, so that the plane of the longitudinal positioning system is flush with the horizontal plane; Figures 1-3 As shown in the figure, the transverse support seat 5 includes two partitions 9 and a crossbar 10 fixedly arranged at the center of the two partitions; the surface of the partition 9 is uniformly provided with a plurality of circular through holes;

[0036] Further, the transverse positioning system and the longitudinal positioning system are in abutment with the inverted arch precast block 2, so that the inverted arch precast block 2 can be adjusted to the accurate position through the transverse positioning system and the longitudinal positioning system;

[0037] Therefore in the utility model, through setting up a kind of assembly type inverted arch fine adjustment positioning device in assembly type construction scheme to realize the millimeter level high-precision adjustment of inverted arch precast block in narrow tunnel, in the fine adjustment positioning device of prior art, since the jack used is bulky and more complex to operate, it is high in artificial requirement and difficult to operate, not applicable to the precision adjustment of inverted arch precast block in assembly type construction scheme, and the assembly type inverted arch fine adjustment positioning device in the utility model can realize the high-precision adjustment of inverted arch precast block in narrow tunnel, including initial support steel arch 1, lateral support seat 5 and the lateral jack 3 of setting in lateral support seat 5 end in lateral positioning system, wherein initial support steel arch 1 is installed immediately after tunnel excavation, can effectively support surrounding rock, prevent its loosening or collapse to ensure construction safety, in addition, the baffle 9 of one of lateral support seat 5 is closely attached to initial support steel arch, and lateral jack 3 is fixedly connected with lateral support seat 5 by the circular hole on the other baffle 9 in lateral support seat 5, and lateral support seat 5 can adjust lateral jack 3 with horizontal plane flush, to avoid the influence of lateral jack 3 position deviation on the position precision adjustment of inverted arch precast block 2, then the top of lateral jack 3 and inverted arch precast block 2 are mutually abutted, wherein lateral jack 3 is screw hand-operated jack, so that the position adjustment of inverted arch precast block 1 in lateral direction can be realized by hand-operated mode;And wherein longitudinal positioning system includes vertical jack 4 and longitudinal support seat 6 arranged below the vertical jack 4, longitudinal support seat 6 is arranged as a triangle, the inclined surface thereof is attached to excavation pit surface, so that the longitudinal positioning system is flush with the horizontal plane by such shape arrangement, vertical jack 4 is placed in the circular groove 7 on the longitudinal positioning seat 6, then the top of the longitudinal positioning system and inverted arch precast block 1 are abutted to avoid the deviation of vertical jack 4, and the longitudinal position adjustment of inverted arch precast block 1 can be realized by adjusting vertical jack 4, and slide rail is further arranged below the longitudinal positioning system in the utility model, and steel plate base is further arranged on the part of tunnel bottom in contact with slide rail, so that the longitudinal positioning system can move in tunnel along steel plate base, to avoid manual disassembly and reassembly when the device is used for the precision adjustment of next inverted arch precast block, and the specified adjustment position of lateral positioning system can be reached by sliding.

[0038] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, but not to limit them;Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent substitution for part or all of the technical features;And these modifications or substitutions do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A fabricated inverted arch fine adjustment positioning device, characterized in that, The fine adjustment machine comprises a transverse positioning system, a longitudinal positioning system and an inverted arch precast block arranged at the end of the fine adjustment machine. The transverse positioning system comprises a primary steel arch, a transverse support base and a transverse jack arranged at the end of the transverse support base. The longitudinal positioning system comprises a vertical jack and a longitudinal support base arranged below the vertical jack.

2. The assembled inverted arch fine adjustment positioning device according to claim 1, characterized in that, The transverse support base comprises two partitions and a horizontal bar fixedly arranged at the center of the two partitions, and the surface of the partitions is uniformly provided with a plurality of circular through holes.

3. The assembled inverted arch fine adjustment positioning device according to claim 1, characterized in that, The longitudinal support base is arranged in a triangular shape, and the inclined surface of the triangular longitudinal support base is in close contact with the surface of the excavated pit.

4. The assembled inverted arch fine adjustment positioning device according to claim 3, characterized in that, A circular groove is arranged at the top of the longitudinal support base for placing the vertical jack.

5. The assembled inverted arch fine adjustment positioning device according to claim 1, characterized in that, The transverse positioning system and the longitudinal positioning system are in abutment with the inverted arch precast block.

6. The assembled inverted arch fine adjustment positioning device according to claim 3, characterized in that, Handles are arranged on both sides of the triangular longitudinal support base for carrying.

7. The assembled inverted arch fine adjustment positioning device according to claim 1, characterized in that, One end of the transverse support base is closely attached to the primary steel arch.

8. The assembled inverted arch fine adjustment positioning device according to claim 1, characterized in that, The longitudinal support base is arranged on a steel plate base arranged at the bottom of the tunnel, and the bottom of the longitudinal support base is provided with a sliding rail, so that the longitudinal positioning system slides on the steel plate base.