CN217300596U

CN217300596U - Four-leg frame type variable-section two-lining trolley for tunnel

Info

Publication number: CN217300596U
Application number: CN202220883722.6U
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
Original assignee: Chengdu Ruilong Machinery Manufacturing Co ltd
Current assignee: Chengdu Ruilong Machinery Manufacturing Co ltd
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-08-26
Anticipated expiration: 2032-04-15

Abstract

The utility model discloses a two lining platform trucks in four landing leg frame form tunnels variable cross-section, include: the cross section of the annular template is of an arc-shaped structure, the annular template extends along the length direction of the longitudinal beam, the width direction of the annular template comprises a top die and two side dies, the two side dies are hinged to the two sides of the top die, the top die is fixedly connected with the two ends of a cross beam of the gantry, the inner sides of the lower ends of the side dies are fixedly connected with a plurality of inclined ground supporting screw rods and jacks along the length direction, the screw rods and the jacks are connected with the ground of a tunnel inner rail, and lifting devices are arranged in the support legs; the side form is split type structure, and the side form middle part is connected through side form connecting device, and the split type structure department detachable of side form is equipped with side form extension die, and crossbeam both ends detachable is equipped with the crossbeam and increases the piece, and landing leg bottom detachable is equipped with the landing leg and increases the piece, great simplification the structure, changed the portal structure to and the portal receives template pressure to decompose, can adapt to different size specification's tunnel simultaneously.

Description

Four-leg frame type variable-section two-lining trolley for tunnel

Technical Field

The utility model relates to a tunnel trolley technical field, more specifically say, relate to a two lining platform trucks of four landing leg frame style tunnels variable cross-section.

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, traditional platform truck when carrying 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, and in operating condition, the tunnel that can face multiple size specification, prior art can't match multiple size simultaneously.

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 variable cross-section compares with traditional platform truck, its great simplification the structure, changed the portal structure to and the portal receives template pressure to decompose, can adapt to the tunnel of different dimensions simultaneously.

2. Technical scheme

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

a four-leg frame-style variable cross-section two-lining trolley for a tunnel, 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; the supporting legs are arranged on the inner rail of the tunnel in a spanning mode at the same side, the cross section of the annular template is of an arc-shaped structure, the annular template extends along the length direction of the longitudinal beam, the width direction of the annular template comprises a top die and two side dies, the two side dies are hinged to the two sides of the top die, the top die is fixedly connected with the two ends of a cross beam of the gantry, the top of the cross beam is provided with a plurality of bracket stand columns, the bracket stand columns are in contact with the top die, a bracket stand column heightening block is detachably assembled between the bracket stand columns and the top die, the inner side of the lower end of each side die is fixedly connected with a plurality of inclined ground supporting lead screws and jacks along the length direction, the lead screws and the jacks are connected with the ground of the inner rail of the tunnel, and lifting devices are arranged in the supporting legs; the side form is split type structure, the side form middle part is connected through side form connecting device, the split type structure department detachable of side form is equipped with side form extension die, crossbeam both ends detachable is equipped with crossbeam extension piece, landing leg bottom detachable is equipped with the landing leg and increases the piece.

The utility model discloses a two lining platform trucks in four landing leg frame form tunnels variable cross-section, 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 variable cross-section, side forms hydro-cylinder detachable is equipped with mould hydro-cylinder extension festival

The utility model discloses a two lining platform trucks in four landing leg frame form tunnels variable cross-section, 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 of four landing leg frame form tunnels variable cross-section, 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 variable cross-section, 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 variable cross-section, 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 form tunnels variable cross-section 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 when carrying 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 puller, the yawing force that makes the side form passes to the tunnel inner rail, thereby make the car portal compare with two platform trucks of traditional portal, only need use four landing legs, manufacturing cost has been reduced, traditional portal platform truck lateral bracing structure need use fifty two, only use thirty two in this platform truck, the structure is simplified more, reduce intensity of labour, and the work efficiency is improved, simultaneously through the extension piece that increases the template, the piece is increased to the landing leg and the extension piece is increased to the crossbeam, can adapt to the tunnel of different size specifications.

Drawings

Fig. 1 is a side view of the present invention;

fig. 2 is a schematic view of the present invention applied to a small-sized tunnel;

FIG. 3 is a schematic view of the present invention applied to a large-sized tunnel;

fig. 4 is a schematic diagram showing the comparison of two sizes of the present invention.

The reference numbers in the figures illustrate:

1. a gantry frame; 2. circumferential template; 201. carrying out top die; 202. side mould; 203 side die connecting device; 204. lengthening the die sheet by the side die; 3. an inner track of the tunnel; 4. a lower frame beam; 5. a travel rail device; 6. a support leg; 601. a leg heightening block; 602. a bracket upright; 603. a bracket upright column heightening block; 7. a ground supporting screw rod is obliquely arranged; 8. a jack; 9. a side die oil cylinder; 901. lengthening a section of the side die oil cylinder; 10. a side form support device; 11. a lift cylinder; 12. locking the screw rod; 14. and (5) 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," "second," and the like 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.

The embodiment is as follows:

referring to fig. 1-4, a four-leg frame type tunnel variable cross-section two-lining trolley comprises: the gantry comprises a gantry 1 and a circumferential template 2, wherein the gantry 1 comprises two longitudinal beams 101, a plurality of cross beams 102 are arranged on the surfaces of the longitudinal beams 101 side by side, two groups of support legs 6 are fixedly arranged on the lower sides of the longitudinal beams 101, and each group of support legs 6 comprises two; the supporting legs 6 on the same side are arranged on the tunnel inner rail 3 in a spanning mode, the cross section of the annular template 2 is of an arc-shaped structure, the annular template 2 extends along the length direction of a longitudinal beam, the width direction of the annular template 2 comprises a top die 201 and two side dies 202, the two side dies 202 are hinged to the two sides of the top die, the top die is fixedly connected with the two ends of a cross beam of the gantry 1, the top of the cross beam 102 is provided with a plurality of bracket upright posts 602, the bracket upright posts 602 are in contact with the top die 201, a bracket upright post heightening block 603 is detachably assembled between the bracket upright posts 602 and the top die 201, the inner sides of the lower ends of the side dies are fixedly connected with a plurality of oblique ground supporting screw rods 7 and jacks 8 along the length direction, the screw rods 7 and the jacks 8 are connected with the ground of the tunnel inner rail 3, and lifting devices are arranged in the supporting legs 6; the side form 202 is split type structure, the side form 202 middle part is connected through side form connecting device 203, the split type structure department detachable of side form 202 is equipped with side form extension diaphragm 204, crossbeam 102 both ends detachable is equipped with crossbeam extension piece 103, the detachable landing leg that is equipped with in 6 bottoms of landing leg increases piece 601.

As a preferred embodiment, rods 14 are installed on two sides of the gantry frame 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.

As a preferred embodiment, the side form cylinder 9 is detachably assembled with a die cylinder extension joint 901

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 required to work on concrete on the inner surface of the tunnel, the lifting oil cylinder 11 jacks up to enable the top mold of the annular template 2 to reach a 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 lateral pressure of the concrete is directly transmitted to the inner rail 3 of the tunnel during working, so that lateral force applied to the gantry 1 during working of the annular template 2 is reduced; when a tunnel with a larger size needs to be treated, the side die connecting device 203 is additionally arranged at the split structure of the side die 202, so that the circumferential length of the ring-shaped formwork 2 is increased, the beam lengthening blocks 103 are adaptively added at two ends of the beam 102, the size of the beam 102 is prolonged, the leg heightening blocks 601 are assembled at the bottoms of the legs 6, the height of the leg heightening blocks is increased, and corresponding supporting devices such as: the side die cylinder 9 is provided with a die cylinder extension joint 901, and the bracket upright post heightening block 603 is arranged at the top of the bracket upright post 602, so that the support can be realized by increasing the support.

Through the technical characteristics, compared with a traditional portal trolley, the trolley portal 1 only needs to use four support legs 6, the lateral stability of the trolley portal is improved, the manufacturing cost is reduced, fifty two lateral screw rods of the traditional portal trolley need to be used, only thirty two lateral screw rods of the trolley are used in the structure of the trolley, the structure is simplified, the labor intensity is reduced, and the working efficiency is improved; and can adapt to the tunnel of unidimensional not through dismouting extension structure, the utility model discloses a control mode is controlled through artifical start-up and closing control cabinet, and power element's wiring diagram belongs to the common general knowledge in this field with providing of power, and the utility model discloses mainly used protects mechanical device, so the utility model discloses no longer explain control mode and wiring in detail.

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 type variable cross-section two-lining trolley for a tunnel is characterized by comprising: the gantry comprises a gantry body (1) and a circumferential template (2), wherein the gantry body (1) comprises two longitudinal beams (101), a plurality of cross beams (102) are arranged on the surfaces of the longitudinal beams (101) side by side, two groups of supporting legs (6) are fixedly arranged on the lower sides of the longitudinal beams (101), and each group of 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 (201) and two side moulds (202), two side moulds (202) articulate in top mould both sides, the top mould is fixed connection with the crossbeam both ends of gantry frame (1), crossbeam (102) top is provided with a plurality of bracket stand (602), bracket stand (602) and top mould (201) contact, detachable is equipped with bracket stand bed hedgehopping piece (603) between bracket stand (602) and top mould (201), the lower extreme inboard of side mould is along length direction fixedly connected with a plurality of slant ground supporting lead screws (7) and jack (8), lead screw (7) and jack (8) are connected with the ground of track (3) in the tunnel, the supporting leg (6) is internally provided with a lifting device; side form (202) are split type structure, side form (202) middle part is connected through side form connecting device (203), the split type structure department detachable of side form (202) is equipped with side form extension diaphragm (204), crossbeam (102) both ends detachable is equipped with crossbeam extension piece (103), landing leg (6) bottom detachable is equipped with landing leg increase piece (601).

2. The four-leg frame-type tunnel variable-section two-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. The four-leg frame-type tunnel variable-section two-lining trolley according to claim 2, wherein: the side die oil cylinder (9) is detachably provided with a die-adding oil cylinder extension joint (901).

4. The four-leg frame-type tunnel variable-section two-lining trolley according to claim 3, 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.

5. The four-leg frame-type tunnel variable-section two-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).

6. The four-leg frame-type tunnel variable-section two-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).

7. The four-leg frame-type tunnel variable-section two-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).