CN210797112U - Assembled sleeper for shield tunnel construction - Google Patents

Abstract

The utility model relates to a subway shield constructs the construction field, specifically is an assembled sleeper for shield tunnel construction, including the sleeper, the rail is installed to the upper portion both sides of sleeper, the sleeper is the arc structure that sticks up at both ends, the both ends symmetry installation of sleeper is fixed with the sleeper tip, installs the platform truck rail on the sleeper tip, and section of jurisdiction setting is hugged closely to sleeper tip and sleeper, connect fixedly through section of jurisdiction bolt hand hole connecting piece between sleeper and the section of jurisdiction. The utility model can improve the stability of the sleeper under heavy load, reduce the deflection of the sleeper caused by vibration, and is convenient for installation and disassembly; can realize that the workman is accessible clear mud, reduce working strength, the cleanness in the guarantee tunnel is favorable to tunnel construction's safety and reduction time limit for a project.

Description

Assembled sleeper for shield tunnel construction

Technical Field

The utility model relates to a subway shield constructs construction field, specifically is an assembled sleeper for shield tunnel construction.

Background

At present, urban rail transit in China is developed rapidly, urban underground spaces are developed continuously, underground tunnel construction enters a peak period, shield sleepers are important components for ensuring smooth shield tunnel construction, and the sleepers have various forms and have various defects. The conventional sleeper has the following disadvantages: 1) the whole weight is large, and the carrying is not easy; 2) the assembly and disassembly are not available, which causes waste or is complicated; 3) the sleeper occupies the space at the bottom of the tunnel, so that the sleeper is inconvenient to clean mud; 4) the distance between the contact point and the segment is large, and the bearing capacity is weak; 5) the integrity is poor, and the sleeper is easy to deflect under heavy load.

Therefore, aiming at the current situation, the development of an assembly type sleeper which can realize barrier-free mud removal of workers, reduce the working strength, ensure the cleanness in a tunnel, be beneficial to the safety of tunnel construction and reduce the construction period is urgently needed, is used for shield tunnel construction, and can greatly promote the development of shield technology in China.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide an assembled sleeper for shield tunnel construction to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:

the utility model provides an assembled sleeper for shield tunnel construction, includes the sleeper, the rail is installed to the upper portion both sides of sleeper, the sleeper is the arc structure that both ends upwarp, the both ends symmetry installation of sleeper is fixed with the sleeper tip, installs the platform truck rail on the sleeper tip, and section of jurisdiction setting is hugged closely to sleeper tip and sleeper, connect fixedly between sleeper and the section of jurisdiction through section of jurisdiction bolt hand hole connecting piece.

As a further aspect of the present invention: and a second positioning hole and a third positioning hole are respectively formed in the contact surfaces of the end part of the sleeper and the sleeper, and connecting bolts are installed on the second positioning hole and the third positioning hole.

As a further aspect of the present invention: the duct piece bolt hand hole connecting piece adopts a telescopic design, first positioning holes are formed in the two ends of the duct piece bolt hand hole connecting piece, a duct piece bolt hole is connected to one end of the duct piece bolt hand hole connecting piece, and a third positioning hole is connected to the other end of the duct piece bolt hand hole connecting piece.

As a further aspect of the present invention: and pressure springs for transversely positioning the trolley rails are installed on two sides of the trolley rails, and pressure plates are further arranged between the pressure springs and the ends of the sleepers.

As a further aspect of the present invention: the sleeper evenly arranges the setting, and the distance between two adjacent sleepers is 1.2m, and two adjacent sleepers connect fixedly through longitudinal tie rod, and longitudinal tie rod sets up with the sleeper is perpendicular, and the fourth locating hole that is used for being connected fixedly with the sleeper is offered at longitudinal tie rod's both ends.

Compared with the prior art, the utility model discloses the beneficial effect of embodiment is:

the assembled sleeper for shield tunnel construction can improve the stability of the sleeper under heavy load, reduce the deflection of the sleeper caused by vibration and facilitate installation and disassembly; can realize that the workman is accessible clear mud, reduce working strength, the cleanness in the guarantee tunnel is favorable to tunnel construction's safety and reduction time limit for a project.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a top view of the present invention.

Fig. 4 is the utility model discloses a section of jurisdiction bolt hand hole connecting piece sketch map.

Fig. 5 is a right side view of the sleeper end of the present invention.

Fig. 6 is a left side view of the curved sleeper of the present invention.

Fig. 7 is a schematic view of the structure of the longitudinal connecting member of the present invention.

In the figure: 1-sleeper, 2-sleeper end, 3-longitudinal connecting rod, 4-rail, 5-pressing plate, 6-pressing spring, 7-trolley rail, 8-first positioning hole, 9-connecting bolt, 10-second positioning hole, 11-third positioning hole, 12-fourth positioning hole and 13-segment bolt hand hole connecting piece.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Please refer to fig. 1-7, in the embodiment of the utility model, an assembled sleeper for shield tunnel construction, including sleeper 1, sleeper 1 is the arc structure that both ends upwarp, has increased the convenience of the clear mud of workman in the work progress, sleeper tip 2 is installed to sleeper 1's both ends symmetry, and section of jurisdiction (not shown) setting is hugged closely to sleeper tip 2 and sleeper 1, and sleeper tip 2 and sleeper 1 adopt the middle part to draw the empty design and reduce weight, and second locating hole 10 (being the inboard of sleeper tip 2) and third locating hole 11 (being the outside of sleeper 1) have been seted up respectively to sleeper tip 2 and sleeper 1's contact surface, installs connecting bolt 9 on second locating hole 10 and the third locating hole 11 for fix sleeper tip 2 and sleeper 1.

As shown in fig. 4, the sleeper 1 and the duct piece are fixedly connected through a duct piece bolt hand hole connecting piece 13, first positioning holes 8 are formed in two ends of the duct piece bolt hand hole connecting piece 13, one end of the duct piece bolt hand hole connecting piece 13 is connected with a duct piece bolt hole, and the other end of the duct piece bolt hand hole connecting piece 13 is connected with a third positioning hole 11, so that the stability of the sleeper 1 is ensured and the sleeper 1 is not prone to being skewed; duct piece bolt hand hole connecting piece 13 adopts scalable design, can adjust according to the distance of sleeper 1 and duct piece bolt hole.

Further, track 4 is installed to the upper portion both sides of sleeper 1, install platform truck track 7 on sleeper tip 2, just the pressure spring 6 that is used for carrying out transverse location is installed to the both sides of track 4 and platform truck track 7, still is provided with clamp plate 5 between pressure spring 6 and sleeper 1 and the sleeper tip 2, guarantees the abundant contact of pressure spring 6 and sleeper 1.

Example 2

Referring to fig. 1, 3 and 7, the present embodiment is different from embodiment 1 in that:

in this embodiment, sleeper 1 evenly arranges the setting, and the distance between two adjacent sleepers 1 is 1.2m, and two adjacent sleepers 1 connect fixedly through longitudinal tie 3, and longitudinal tie 3 sets up with sleeper 1 is perpendicular, and longitudinal tie 3's both ends are offered and are used for being connected fixed fourth locating hole 12 with sleeper 1, guarantees whole sleeper 1's stability.

The utility model discloses each component all adopts mill's preprocessing preparation, and the scene is assembled and is formed, and is easy and simple to handle. When the sleeper-mounted positioning device is used, firstly, the track central line is positioned, then the single sleeper 1 is assembled, the sleeper end part 2, the segment bolt hand hole connecting piece 13 and the arc sleeper 1 are connected through the positioning holes by bolts, and the other end of the segment bolt hand hole connecting piece 13 is connected with the segment bolt hand hole. The pressure spring 6 transversely positions the track, and the pressing plate 5 is arranged between the pressure spring 6 and the sleeper 1, so that the pressure spring 6 is ensured to be fully contacted with the sleeper 1. The sleeper end parts 2 at two sides of the arc sleeper 1 are symmetrically assembled, and the second sleeper 1 is assembled at an interval of 1.2m and sequentially assembled. And (3) disassembling the end part 2 of the sleeper at the back along with the continuous advance of the shield trolley, and transferring to the front of the shield to repeat the operation.

The utility model discloses each component all adopts the mill to add the preparation in advance, and the scene is assembled and is formed, and is easy and simple to handle, and section of jurisdiction is hugged closely to sleeper tip 2 and arc sleeper 1, and the arc design has increased the convenience of the clear mud of workman in the work progress, has advantages such as artifical intensity of labour is little, the construction is convenient. The sleeper end 2 and the arc sleeper 1 adopt a middle hollow design to reduce the weight, contact surfaces of the sleeper end and the arc sleeper are provided with positioning holes, and the sleeper end and the arc sleeper are connected through the positioning holes by adopting connecting bolts 9, so that the sleeper end and the arc sleeper are convenient to disassemble and assemble. The sleepers 1 are connected with the duct pieces, and the sleepers 1 are connected with each other, so that the overall stability is improved.

The assembled sleeper for shield tunnel construction can improve the stability of the sleeper 1 under heavy load, reduce the deflection phenomenon of the sleeper 1 caused by vibration and facilitate installation and disassembly; can realize that the workman is accessible clear mud, reduce working strength, the cleanness in the guarantee tunnel is favorable to tunnel construction's safety and reduction time limit for a project.

The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims (1)

1. The assembled sleeper for shield tunnel construction comprises a sleeper (1), wherein rails (4) are mounted on two sides of the upper portion of the sleeper (1), and is characterized in that the sleeper (1) is of an arc structure with two upturned ends, sleeper end portions (2) are symmetrically mounted and fixed at two ends of the sleeper (1), trolley rail rails (7) are mounted on the sleeper end portions (2), the sleeper end portions (2) and the sleeper (1) are arranged in a manner of being tightly attached to duct pieces, and the sleeper (1) and the duct pieces are fixedly connected through duct piece bolt hand hole connecting pieces (13);

a second positioning hole (10) and a third positioning hole (11) are respectively formed in the contact surface of the sleeper end (2) and the sleeper (1), and connecting bolts (9) are installed on the second positioning hole (10) and the third positioning hole (11);

the segment bolt hand hole connecting piece (13) adopts a telescopic design, first positioning holes (8) are formed in two ends of the segment bolt hand hole connecting piece (13), one end of the segment bolt hand hole connecting piece (13) is connected with a segment bolt hole, and the other end of the segment bolt hand hole connecting piece (13) is connected with a third positioning hole (11);

a pressure spring (6) for transversely positioning the trolley track (7) is arranged on two sides of the trolley track (7), and a pressure plate (5) is arranged between the pressure spring (6) and the sleeper end (2);

sleeper (1) evenly arranges the setting, and the distance between two adjacent sleepers (1) is 1.2m, and two adjacent sleepers (1) connect fixedly through longitudinal tie rod (3), and longitudinal tie rod (3) set up with sleeper (1) is perpendicular, and fourth locating hole (12) that are used for being connected fixedly with sleeper (1) are seted up at the both ends of longitudinal tie rod (3).

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