CN216841716U

CN216841716U - Four-leg frame type tunnel two-lining trolley

Info

Publication number: CN216841716U
Application number: CN202220563508.2U
Authority: CN
Inventors: 谢玉军; 陈煜�; 靳连杰; 谢韵睿; 蒋丹; 杨洪平; 吴朝军; 张光建; 蔡金平
Original assignee: Chengdu Ruilong Machinery Manufacturing Co ltd
Current assignee: Chengdu Ruilong Machinery Manufacturing Co ltd
Priority date: 2022-03-15
Filing date: 2022-03-15
Publication date: 2022-06-28
Anticipated expiration: 2032-03-15

Abstract

The utility model discloses a two lining platform trucks in four landing leg frame form tunnels, include: the door frame comprises two longitudinal beams, a plurality of cross beams are arranged on the surfaces of the longitudinal beams side by side, two groups of support legs are fixedly arranged on the lower sides of the longitudinal beams, and each group of support legs comprises two support legs; homonymy the landing leg is striden and is established on the track in the tunnel, the hoop template cross-section is circular-arc structure, the hoop template extends along longeron length direction, hoop template width direction includes top mould and side form, the side form articulates in top mould both sides, the crossbeam both ends fixed connection of top mould and car portal, a plurality of slants of length direction fixedly connected with lead screw and jack are propped to the lower extreme inboard of side form, the ground connection of lead screw and jack and tunnel inner rail, elevating gear has in the landing leg, compares with traditional platform truck, its great simplification the structure, changed the portal structure to and the portal is decomposed by template pressure.

Description

Four-leg frame type tunnel two-lining trolley

Technical Field

The utility model relates to a tunnel trolley technical field, more specifically say, relate to a two lining platform trucks in four landing leg frame forms tunnel.

Background

The tunnel lining trolley is special equipment which must be used in secondary lining in the tunnel construction process and is used for concrete lining construction of the inner wall of the tunnel. The concrete lining trolley is an indispensable nonstandard product for secondary lining in the tunnel construction process and mainly comprises a simple lining trolley, a full-hydraulic automatic walking lining trolley and a net frame type lining trolley. The full hydraulic lining trolley can be divided into a side top arch type, a full-circle needle beam type, a bottom mould needle beam type, a full-circle penetrating type and the like. Lifting slip forms, jacking slip forms, turnover slip forms and the like are also commonly used in hydraulic tunnel and bridge construction.

Most tunnel platform trucks are before work at present, will lay the track in the tunnel in advance, a walking work for the platform truck, greatly increased staff's intensity of labour, work efficiency is reduced, when traditional platform truck carries out work in the tunnel, a portal that is arranged in the template of concrete compaction generally is supported by the platform truck, the portal drives the template and removes and support, the portal can receive vertical and lateral pressure, make portal stability reduce.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a two lining platform trucks in four landing leg frame form tunnels compares with traditional platform truck, its great simplification the structure, changed the portal structure to and the portal is decomposed by template pressure.

2. Technical scheme

In order to solve the above problem, the utility model adopts the following technical scheme:

a four leg frame style tunnel secondary lining trolley comprising: the door frame comprises two longitudinal beams, a plurality of cross beams are arranged on the surfaces of the longitudinal beams side by side, two groups of support legs are fixedly arranged on the lower sides of the longitudinal beams, and each group of support legs comprises two support legs; homonymy the landing leg is striden and is established on the tunnel inner rail, the hoop template cross-section is circular-arc structure, the hoop template extends along longeron length direction, hoop template width direction includes top mould and side form, the side form articulates in top mould both sides, the crossbeam both ends fixed connection of top mould and door frame, length direction fixedly connected with a plurality of slants of propping ground lead screw and jack are followed to the lower extreme inboard of side form, lead screw and jack are connected with the ground of tunnel inner rail, elevating gear has in the landing leg.

The utility model discloses a two lining platform trucks in four landing leg frame form tunnels, door frame both sides installation pole, it has a plurality of side forms hydro-cylinders to articulate on the installation pole, the terminal of side forms hydro-cylinder is connected with the internal surface fixed of hoop template.

The utility model discloses a two lining platform trucks in four landing leg frame form tunnels, the middle part of side forms hydro-cylinder articulates there is side forms strutting arrangement, side forms strutting arrangement's the other end and crossbeam lower extreme fixed connection.

The utility model discloses a two lining platform trucks in four landing leg frame form tunnels, a plurality of locking lead screws of fixedly connected with between the crossbeam downside of door frame and the internal surface of hoop template.

The utility model discloses a two lining platform trucks in four landing leg frame form tunnels, every the inside fixed mounting of landing leg has lift cylinder, every two of group the equal fixed mounting of lower extreme of landing leg has walking rail set.

The utility model discloses a two lining platform trucks in four landing leg frame form tunnels, the crossbeam downside fixed mounting of door frame has the lower frame crossbeam.

3. Advantageous effects

Compared with the prior art, the utility model provides a two lining platform trucks in four landing leg frame style tunnels has following beneficial effect:

this two lining platform trucks in four landing leg frame form tunnel, when whole platform truck walking, the hoop template can be supported by the door frame, and when the hoop template carries out the during operation to the concrete on the tunnel internal surface, the vertical pressure of top mould directly passes to the portal and passes to the tunnel inner rail, and the side form tip sets up the tight device in top, the lateral force that makes the side form passes to the tunnel inner rail, thereby make the door frame compare with two platform trucks of traditional portal, only need use four landing legs, manufacturing cost has been reduced, traditional portal platform truck lateral support structure need use fifty two, only use thirty two in this platform truck, the structure is simplified more, reduce intensity of labour, the efficiency of work is improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the structure of the present invention;

fig. 3 is a partial cross-sectional view of the present invention.

The reference numbers in the figures illustrate:

1. a gantry frame; 2. circumferential template; 3. an inner track of the tunnel; 4. a lower frame beam; 5. a travel rail device; 6. a support leg; 7. a ground supporting screw rod is obliquely arranged; 8. a jack; 9. a side die oil cylinder; 10. a side form support device; 11. a lift cylinder; 12. locking the screw rod; 13. a console; 14. and (7) installing a rod.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like, are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-3, a four-leg frame type tunnel two-lining trolley comprises: the gantry comprises a gantry frame 1 and a circumferential template 2, wherein the gantry frame 1 comprises two longitudinal beams, a plurality of cross beams are arranged on the surfaces of the longitudinal beams side by side, two groups of support legs 6 are fixedly arranged on the lower sides of the longitudinal beams, and each group of support legs 6 comprises two; homonymy 6 strides establishes in tunnel on

rail

3, 2 cross-sections of hoop template are circular-arc structure, 2 extend along longeron length direction of hoop template, 2 width direction of hoop template include top mould and side form, the side form articulates in top mould both sides, top mould and gantry 1's crossbeam both ends fixed connection, length direction fixedly connected with a plurality of slants of slant ground lead screw 7 and jack 8 are followed to the lower extreme inboard of side form, lead screw 7 and jack 8 are connected with the ground of rail 3 in the tunnel, elevating gear has in the landing leg 6.

As a preferred embodiment, rods 14 are installed on two sides of the gantry 1, a plurality of side forms oil cylinders 9 are hinged on the installation rods 14, and the tail ends of the side forms oil cylinders 9 are fixedly connected with the inner surface of the annular template 2.

As a preferred embodiment, the middle part of the side form oil cylinder 9 is hinged with a side form supporting device 10, and the other end of the side form supporting device 10 is fixedly connected with the lower end of the cross beam.

As a preferred embodiment, a plurality of locking screws 12 are fixedly connected between the lower side of the cross beam of the gantry 1 and the inner surface of the annular formwork 2.

As a preferred embodiment, a lifting cylinder 11 is fixedly installed inside each of the support legs 6, and a walking rail device 5 is fixedly installed at the lower end of each of two support legs 6.

In a preferred embodiment, a lower frame beam 4 is fixedly mounted on the lower side of the beam of the gantry 1.

The working principle is as follows: when the whole trolley travels, the lifting oil cylinder 11 descends, the annular template 2 is supported by the trolley portal frame 1, and the top mould and the side mould of the annular template are of a furled structure; when the annular template 2 is needed to work on the concrete on the inner surface of the tunnel, the lifting oil cylinder 11 jacks up the top mold of the annular template 2 to reach the working position, the end part of the side mold of the annular template 2 enables the side mold to reach the working position through the plurality of inclined ground supporting screw rods 7 and the jacks 8, and the lateral pressure of the concrete is directly transferred to the inner rail 3 of the tunnel during working, so that the lateral force of the gantry 1 on the working time of the annular template 2 is reduced. Thereby make two platform trucks of car portal 1 and traditional portal compare, only need used four landing legs 6 to improved its lateral stability, reduced manufacturing cost, traditional portal platform truck lateral screw need use fifty two simultaneously, only used thirty two in this platform truck structure, the structure is simplified more, reduces intensity of labour, improves work efficiency, the utility model discloses a control mode is controlled through artifical start-up and closing control cabinet 13, and power element's wiring diagram and the supply belong to the common general knowledge in this field, and the utility model discloses mainly be used for protecting mechanical device, so the utility model discloses no longer explain control mode and wiring in detail arrange.

The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the improvement concept of the present invention within the technical scope disclosed in the present invention.

Claims

1. A four-leg frame-style tunnel secondary lining trolley, comprising: the gantry comprises a gantry body (1) and a circumferential template (2), wherein the gantry body (1) comprises two longitudinal beams, a plurality of cross beams are arranged on the surfaces of the longitudinal beams side by side, two groups of supporting legs (6) are fixedly arranged on the lower sides of the longitudinal beams, and each group of the supporting legs (6) comprises two; homonymy landing leg (6) are striden and are established on track (3) in the tunnel, hoop template (2) cross-section is circular-arc structure, hoop template (2) extend along longeron length direction, hoop template (2) width direction includes top mould and two side moulds, two the side mould articulates in top mould both sides, the crossbeam both ends fixed connection of top mould and gantry (1), a plurality of slants of length direction fixedly connected with ground lead screw (7) and jack (8) are propped to the lower extreme inboard of side mould, lead screw (7) and jack (8) are connected with the ground of track (3) in the tunnel, elevating gear has in landing leg (6).

2. A four leg frame style tunnel secondary lining trolley according to claim 1 wherein: the side formwork lifting device is characterized in that rods (14) are installed on two sides of the gantry (1), a plurality of side formwork oil cylinders (9) are hinged to the installation rods (14), and the tail ends of the side formwork oil cylinders (9) are fixedly connected with the inner surface of the annular formwork (2).

3. A four leg frame style tunnel secondary lining trolley as claimed in claim 2 wherein: the middle part of the side formwork oil cylinder (9) is hinged with a side formwork supporting device (10), and the other end of the side formwork supporting device (10) is fixedly connected with the lower end of the cross beam.

4. A four leg frame style tunnel secondary lining trolley according to claim 1 wherein: a plurality of locking screw rods (12) are fixedly connected between the lower side of the cross beam of the gantry (1) and the inner surface of the annular template (2).

5. A four leg frame style tunnel secondary lining trolley according to claim 1 wherein: every the inside fixed mounting of landing leg (6) has lift cylinder (11), every group two the equal fixed mounting of lower extreme of landing leg (6) has walking rail set (5).

6. A four leg frame style tunnel secondary lining trolley according to claim 1 wherein: and a lower frame beam (4) is fixedly mounted on the lower side of the beam of the gantry (1).