CN219299325U

CN219299325U - Arch frame device for highway tunnel construction

Info

Publication number: CN219299325U
Application number: CN202320135960.3U
Authority: CN
Inventors: 何伊琦; 柴琦龙; 李嘉尉; 谢雄耀; 徐金峰; 李守仁; 冀炯; 李东辉
Original assignee: Tongji University; China Railway 15th Bureau Group Co Ltd; Fourth Engineering Co Ltd of China Railway 15th Bureau Group Co Ltd
Current assignee: Tongji University; China Railway 15th Bureau Group Co Ltd; Fourth Engineering Co Ltd of China Railway 15th Bureau Group Co Ltd
Priority date: 2023-01-12
Filing date: 2023-01-12
Publication date: 2023-07-04
Anticipated expiration: 2033-01-12

Abstract

The utility model discloses a highway tunnel construction arch centering device, which relates to the technical field of highway tunnel construction and comprises an outer side plate, a top plate and a supporting structure; the two groups of outer side plates are symmetrically attached to the inner walls of the two sides of the tunnel, and the top of each outer side plate is provided with an arc-shaped top plate; the support structure is fixedly arranged between the two groups of outer side plates, and the top of the support structure is abutted to the bottom of the top plate. The highway tunnel construction arch centering device provided by the utility model removes a large number of support rods standing on the ground in the tunnel construction process, and does not influence the movable space in the tunnel.

Description

Arch frame device for highway tunnel construction

Technical Field

The utility model relates to the technical field of highway tunnel construction, in particular to a highway tunnel construction arch centering device.

Background

The highway tunnel is a passage special for the transportation and running of the automobile. Along with the development of social economy and production, a great amount of expressways are produced, and higher standards are put forward for road construction technologies, so that smooth and straight lines, gentle gradients, wide road surfaces and the like are required. Therefore, when the road passes through the mountain area, the scheme of the mountain-winding in the past is changed into a tunnel scheme. The construction of the tunnel plays an important role in improving the technical state of the highway, shortening the running distance, improving the transportation capacity, reducing accidents and the like.

The whole course needs to use the support frame to support the tunnel wall when the highway tunnel is under construction, and current tunnel scaffold adopts a large amount of bracing pieces to erect between ground and tunnel top, bears the pressure at tunnel top through the bracing piece, and the bracing piece can influence the activity space of constructor in the tunnel at the tunnel construction in-process, influences the construction speed of tunnel.

Disclosure of Invention

The utility model aims to provide a highway tunnel construction arch centering device which solves the problems in the prior art, and a large number of support rods standing on the ground are removed in the tunnel construction process, so that the movable space in the tunnel is not affected.

In order to achieve the above object, the present utility model provides the following solutions:

the utility model provides a highway tunnel construction arch centering device which comprises an outer side plate, a top plate and a supporting structure, wherein the outer side plate is arranged on the top plate; the two groups of outer side plates are symmetrically attached to the inner walls of the two sides of the tunnel, and the top of each outer side plate is provided with an arc-shaped top plate; the support structure is fixedly arranged between the two groups of outer side plates, and the top of the support structure is abutted to the bottom of the top plate.

Optionally, the supporting structure comprises a cross beam and a star-shaped bracket, and two ends of the cross beam are fixedly connected with the outer side plate through bolts respectively; the star-shaped support penetrates through the cross beam and is fixedly connected with the cross beam through threads; the top of the star-shaped support is abutted with the inner bottom of the top plate.

Optionally, a component beam is arranged above the beam, the star-shaped support penetrates through the component beam, the star-shaped support is fixedly connected with the component beam through threads, a plurality of component force supporting rods are movably arranged at the top of the component force beam, and the top of the component force supporting rods is fixedly abutted to the bottom in the top plate.

Optionally, the star-shaped support comprises a threaded support rod and two groups of force transmission support rods, a double-lug sleeve is movably sleeved below the threaded support rod, the bottom of the double-lug sleeve is abutted to a limiting part fixedly arranged at the bottom of the threaded support rod, the force transmission support rods are symmetrically arranged on two sides of the double-lug sleeve, the upper ends of the force transmission support rods are rotationally connected with the double-lug sleeve, and the lower ends of the force transmission support rods are movably connected with the outer side plates; the cross beam is fixedly connected with the thread support rod through threads, and the component force beam is movably connected with the thread support rod.

Optionally, the lower end of the force transmission supporting rod is rotationally connected with a fixed insert with a T-shaped cross section; the inner side wall of the outer side plate is provided with a fixed caulking groove, the upper surface and the front surface of the fixed caulking groove are of T-shaped structures, specifically, the fixed caulking groove comprises an upper part and a lower part which are communicated, the upper part of the fixed caulking groove is of a rectangular groove structure matched with the longitudinal section of the fixed caulking block, and the cross section of the lower part of the fixed caulking groove is of a T-shaped groove structure matched with the cross section of the fixed caulking block; the fixed caulking pieces can be slidably clamped in the fixed caulking grooves.

Optionally, a limit sleeve is movably sleeved on the threaded strut, and the limit sleeve is located between the cross beam and the component force beam.

Optionally, the component force beam is provided with a movable hole, and the threaded strut penetrates through the movable hole; and a plurality of groups of mounting grooves are symmetrically arranged on two sides of the movable hole, and the lower end of the component force supporting rod is rotationally connected to the inner side wall of the mounting groove.

Optionally, the fixed bull stick that is equipped with in component branch lower extreme both sides, set up the bull stick hole on the mounting groove inside wall, the bull stick activity joint of component branch in the bull stick hole.

Compared with the prior art, the utility model has the following technical effects:

according to the utility model, the star-shaped support is additionally arranged, the star-shaped support is formed by the threaded support rods and the two groups of force transmission support rods, the lower ends of the two groups of force transmission support rods are respectively connected with the two groups of outer side plates in an embedded manner, the upper ends of the two groups of force transmission support rods are movably connected with the threaded support rods through the double-lug sleeves, the upper ends of the threaded support rods are used for bearing the pressure at the top of the tunnel wall, the force transmission support rods can convert the pressure at the top into the transverse supporting force of the outer side plates, the force conversion is effectively realized by utilizing the characteristic of the force transmission of the rods, the supporting force of the support frame is better, the utilization of the support rods is greatly reduced, the inner space of the tunnel is more complete, and the construction and the exhibition of constructors in the tunnel are facilitated.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a construction of a highway tunnel arch device according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic view of a part of the outer panel of the present utility model;

FIG. 3 is a schematic view of the support structure of the present utility model in a disassembled configuration;

FIG. 4 is a schematic view showing the structural separation of the component beam of the present utility model;

FIG. 5 is a schematic view showing the structural disassembly of the star-shaped bracket of the present utility model;

reference numerals illustrate: 1-an outer plate; 2-top plate; 3-a support structure; 4-fixing the caulking groove; 5-a cross beam; 6-component force beam; 7-a star-shaped support; 8-a movable hole; 9-mounting grooves; 10-component force strut; 11-a threaded strut; 12-a force transmission strut; 13-fixing the slug; 14-a binaural sleeve; 15-limit sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, in a specific implementation process, the utility model includes two sets of outer side plates 1, a top plate 2 and a supporting structure 3, wherein the two sets of outer side plates 1 are symmetrically and parallelly arranged, the top plate 2 is arranged above the outer side plates 1, the top plate 2 is in an arc structure, two sides of the lower end of the top plate 2 are respectively and fixedly connected with the two sets of outer side plates 1, two sets of supporting structures 3 are arranged between the two sets of outer side plates 1, two ends below the two sets of supporting structures 3 are respectively and fixedly clamped with the two sets of outer side plates 1, the outer side plates 1 are clung to two side walls of a tunnel, the top plate 2 is clung to the top wall of the tunnel, the outer side plates 1 have the functions of supporting the top plate 2 and the supporting structures 3, meanwhile, the top plate 2 can also prevent the top wall of the tunnel from inclining, simultaneously, two ends of the surface of the outer side plates 1 are respectively provided with fixing caulking grooves 4, the upper surface and the front surface of the fixing caulking grooves 4 are respectively in a T-shaped structure, the fixing caulking blocks 13 can enter from the openings above the fixing caulking grooves 4 respectively, then can be quickly connected with the fixing caulking blocks 1 through the fixing caulking blocks 12 together, and the fixing caulking blocks 12 can be quickly matched with the outer side plates 1.

Referring to fig. 3 and 4, the supporting structure 3 includes a beam 5, a component beam 6 and a star-shaped bracket 7, two ends of the beam 5 are respectively and fixedly connected with two groups of outer side plates 1 through bolts, a threaded hole is formed in the middle of the upper surface of the beam 5, the component beam 6 is arranged above the beam 5, a limit sleeve 15 is clamped between the component beam 6 and the beam 5, the star-shaped bracket 7 is arranged below the beam 5, the top of the star-shaped bracket 7 sequentially penetrates through the beam 5, the limit sleeve 15 and the component beam 6, the star-shaped bracket 7 is in threaded connection with the beam 5, the star-shaped bracket 7 is movably connected with the limit sleeve 15 and the component beam 6, a movable hole 8 is formed in the middle of the upper surface of the component beam 6, a plurality of groups of mounting grooves 9 are symmetrically formed in the two sides of the movable hole 8, a component strut 10 is arranged in the mounting grooves 9, the lower ends of the component strut 10 are rotatably connected to the inner walls of the mounting grooves 9, a plurality of groups of force struts 10 on the same side of the movable hole 8 are different in length, the mounting grooves 9 are obliquely arranged with the component strut 10, and the component strut 10 is respectively abutted to the lower surface of the top plate 2.

Referring to fig. 4 and 5, the component force strut 10 can support the top plate 2 to a certain extent, and because the support points of the component force strut 10 are different, the pressures at different positions of the top plate 2 can be uniformly dispersed and transferred in the component force beam 6, the top plate 2 is prevented from being broken due to the fact that the pressures are too concentrated, the star-shaped support 7 comprises a threaded strut 11 and two groups of force transfer struts 12, the threaded strut 11 penetrates through the cross beam 5 and the component force beam and is fixedly connected with the cross beam 5 through threads, a double-lug sleeve 14 is movably sleeved on the threaded strut 11, the force transfer struts 12 are symmetrically arranged on two sides of the double-lug sleeve 14, the upper ends of the force transfer struts 12 are rotationally connected with the double-lug sleeve 14, the lower ends of the force transfer struts 12 are rotationally connected with fixing embedded blocks 13 of a T-shaped structure, and the fixing embedded blocks 13 are in a sliding clamping manner in the fixing embedded grooves 4.

Referring to fig. 1 and 5, the force transmission strut 12 is connected with the outer side plate 1 through the fixing insert 13, the force transmission strut 12 is obliquely arranged with the corresponding outer side plate 1, because the force transmission direction on the rod is along the rod direction, the force transmission strut 12 can obliquely transmit the force applied by the thread strut 11 to the fixing insert 13, the fixing insert 13 transmits the force to the outer side plate 1, the force transmission strut 12 obliquely transmits the downward force of the thread strut 11 to the fixing insert 13, so that the fixing insert 13 has the supporting force of the outer side plate 1, the thread strut 11 sequentially penetrates through the binaural sleeve 14, the cross beam 5, the limit sleeve 15 and the component beam 6, the thread strut 11 is movably connected with the binaural sleeve 14, the limit sleeve 15 and the component beam 6, and the thread strut 11 is in threaded connection with the cross beam 5.

The working principle provided by the utility model is as follows: when the highway tunnel is built, firstly, two groups of outer side plates 1 are placed in parallel and tightly attached to the inner wall of the tunnel, then a top plate 2 is fixed above the outer side plates 1, the top plate 2 is tightly attached to the top wall of the tunnel, then a supporting structure 3 is arranged on a cross beam 5, a component force supporting rod 10 is regulated to abut against the top plate 2, and finally, a thread supporting rod 11 is regulated, so that the top end of the thread supporting rod 11 abuts against the middle of the lower surface of the top plate 2.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The principles and embodiments of the present utility model have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.

Claims

1. The utility model provides a highway tunnel construction bow member device which characterized in that: comprises an outer side plate, a top plate and a supporting structure; the two groups of outer side plates are symmetrically attached to the inner walls of the two sides of the tunnel, and the top of each outer side plate is provided with an arc-shaped top plate; the support structure is fixedly arranged between the two groups of outer side plates, and the top of the support structure is abutted to the bottom of the top plate.

2. A highway tunnel construction arch device according to claim 1, wherein: the support structure comprises a cross beam and a star-shaped bracket, and two ends of the cross beam are fixedly connected with the outer side plate through bolts respectively; the star-shaped support penetrates through the cross beam and is fixedly connected with the cross beam through threads; the top of the star-shaped support is abutted with the inner bottom of the top plate.

3. A highway tunnel construction arch device according to claim 2, wherein: the top of the beam is provided with a component beam, the star-shaped support penetrates through the component beam, the star-shaped support is fixedly connected with the component beam through threads, the top of the component beam is movably provided with a plurality of component supporting rods, and the top of the component supporting rods is fixedly abutted to the bottom in the top plate.

4. A highway tunnel construction arch device according to claim 3, wherein: the star-shaped support comprises a threaded support rod and two groups of force transmission support rods, a double-lug sleeve is movably sleeved below the threaded support rod, the bottom of the double-lug sleeve is abutted to a limiting part fixedly arranged at the bottom of the threaded support rod, the force transmission support rods are symmetrically arranged on two sides of the double-lug sleeve, the upper ends of the force transmission support rods are rotatably connected with the double-lug sleeve, and the lower ends of the force transmission support rods are movably connected with the outer side plates; the cross beam is fixedly connected with the thread support rod through threads, and the component force beam is movably connected with the thread support rod.

5. A highway tunnel construction arch device according to claim 4, wherein: the lower end of the force transmission supporting rod is rotationally connected with a fixed insert with a T-shaped cross section; the inner side wall of the outer side plate is provided with a fixed caulking groove, the fixed caulking groove comprises an upper part and a lower part which are communicated, the upper part of the fixed caulking groove is of a rectangular groove structure matched with the longitudinal section of the fixed caulking block, and the cross section of the lower part of the fixed caulking groove is of a T-shaped groove structure matched with the cross section of the fixed caulking block; the fixed caulking pieces can be slidably clamped in the fixed caulking grooves.

6. A highway tunnel construction arch device according to claim 4, wherein: the thread support rod is movably sleeved with a limit sleeve, and the limit sleeve is positioned between the cross beam and the component force beam.

7. A highway tunnel construction arch device according to claim 4, wherein: the component force beam is provided with a movable hole, and the threaded support rod penetrates through the movable hole; and a plurality of groups of mounting grooves are symmetrically arranged on two sides of the movable hole, and the lower end of the component force supporting rod is rotationally connected to the inner side wall of the mounting groove.

8. A highway tunnel construction arch device according to claim 7, wherein: the two sides of the lower end of the component force supporting rod are fixedly provided with rotating rods, the inner side wall of the mounting groove is provided with rotating rod holes, and the rotating rods of the component force supporting rod are movably clamped in the rotating rod holes.