CN216894403U

CN216894403U - TBM construction track connecting piece, track bracket component and track structure

Info

Publication number: CN216894403U
Application number: CN202121500768.7U
Authority: CN
Inventors: 邓文学; 李强; 王斌; 耿超; 韩愈; 倪泽武; 徐麟; 米迪; 尉海亮; 李俊卯
Original assignee: China Railway Tunnel Stock Co Ltd
Current assignee: China Railway Tunnel Stock Co Ltd
Priority date: 2021-07-03
Filing date: 2021-07-03
Publication date: 2022-07-05
Anticipated expiration: 2031-07-03

Abstract

The utility model discloses a TBM construction track connecting piece, a track support assembly and a track structure, which comprise a sleeper, a bottom plate, a travelling crane track and a connecting piece, wherein the sleeper is provided with a plurality of rails; the sleeper rail is fixed on the ground at equal intervals along a rail line, the bottom plate is symmetrically fixed on two sides of the sleeper rail, the travelling crane rails are vertically fixed on the bottom plate, one transverse side of one end of each travelling crane rail is provided with a clamping groove, and the other end of each travelling crane rail is provided with a connecting piece matched with the clamping groove. The technical problem that the bending degree of a track connecting piece is not adjustable when the track is turned in the process of laying a transportation track in a full-face tunneling machine excavation tunnel is solved.

Description

TBM construction track connecting piece, track bracket component and track structure

Technical Field

The utility model relates to the technical field of tunnel construction equipment, in particular to a TBM construction track connecting piece, a track support assembly and a track structure.

Background

A full-face tunneling machine (TBM) is full-face one-time tunneling, can complete synchronous and continuous operation of construction procedures such as excavation, supporting, slag tapping and the like, and is a factory-like assembly line tunnel construction device integrating systems such as machine, electricity, liquid, light, electricity, gas and the like. The method has the advantages of high excavation speed, high efficiency, good safety, environmental protection, high comprehensive benefit and the like, can realize the construction of the long tunnel deeply buried in complex geographic landforms which is difficult to realize by the traditional drilling and blasting method, is rapidly increased in tunnel engineering of China railways, hydropower, traffic, mines, municipal works and the like, and is widely applied to the construction in the fields of traffic, water conservancy and hydropower and municipal engineering.

At present, supporting equipment for tunnel TBM construction is transported in a rail transportation mode. In the track laying process, tunnel bending degree is complicated to differ, and track laying connecting device among the prior art only satisfies in the orbital connection of linear type, often needs to carry out secondary operation to the connecting piece to laying the track in the tunnel that has the camber, not only causes certain damage to the structure of connecting piece, still can increase manufacturing cost, influences the time limit for a project. Therefore, it is very important to design a rail connector suitable for the requirement of complex bending degree of the rail.

Disclosure of Invention

The utility model aims to provide a TBM construction track connecting piece, a track support assembly and a track structure, and aims to solve the technical problems that the bending degree of the track connecting piece cannot be adjusted and the track connecting piece cannot be suitable for connecting tracks at turning positions in the process of laying transportation tracks in a TBM excavation tunnel.

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

designing a TBM construction track connecting piece, which comprises a supporting rod and a clamping block; the bracing piece includes fixed section and swing section, fixed section and swing section activity hinge joint, fixture block fixed connection is in bracing piece swing section one side.

Designing a TBM track support assembly, which comprises a bottom plate, a travelling crane track and a connecting piece; the driving track is vertically fixed on the bottom plate, a clamping groove is formed in one transverse side of one end of the driving track, and a connecting piece matched with the clamping groove is arranged at the other end of the driving track.

Preferably, the connecting piece comprises a supporting rod and a clamping block; the supporting rod comprises a fixed section and a swinging section, the fixed section is movably hinged with the swinging section, the fixed section is fixedly connected to one side of the traveling track, and the swinging section is fixedly connected with the clamping block.

Preferably, the length part of the connecting piece supporting rod extending out of the running rail corresponds to the length from the setting position of the clamping groove to one end of the running rail.

Preferably, the height of the fixture block is equal to the height of the travelling crane rail, and the fixture block is matched with a clamping groove formed in the travelling crane rail.

Designing a TBM track structure, which comprises a sleeper fixed on the ground at equal intervals along a track line and a track support assembly detachably fixed on the sleeper; the track support component comprises a bottom plate, a travelling crane track, a clamping groove and a connecting piece, wherein the bottom plate is detachably and symmetrically fixed on two sides of the sleeper track, the travelling crane track is vertically fixed on the bottom plate, the clamping groove is formed in one transverse side of one end of the travelling crane track, and the connecting piece is fixed to the other end of the travelling crane track and matched with the clamping groove.

Compared with the prior art, the utility model has the main beneficial technical effects that:

the utility model can adjust the bending degree of the connecting piece according to the bending degree of the track, so that the track connection is tighter, the installation and the use are convenient, and the construction efficiency is greatly improved.

Drawings

Fig. 1 is a schematic view of a connector structure.

Fig. 2 is a top view of a track structure in a TBM tunnel.

In the above figures, 1 is a connecting member, 11 is a support rod, 12 is a clamping block, 111 is a fixed section, 112 is a swinging section, 2 is a bottom plate, 3 is a running rail, 4 is a clamping groove, and 5 is a sleeper rail.

Detailed Description

The following examples are intended to illustrate the present invention in detail and should not be construed as limiting the scope of the present invention in any way.

In the description of the present invention, it should be understood that the orientations or positional relationships indicated as referring to the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings only for the convenience of description and simplification of description, and do not indicate or imply that the devices or elements referred to must have specific orientations, be constructed in specific orientations, and be operated, and thus, are not to be construed as limiting the present invention.

Example 1: a TBM construction track connecting piece is shown in figure 1 and comprises a supporting rod 11 and a clamping block 12; the supporting rod 11 comprises a fixed section 111 and a swinging section 112, the top end of the fixed section 111 is respectively provided with a panel with a hinge hole from top to bottom, the tail part of the swinging section 112 is provided with a hinge column matched with the panel with the hinge hole, the hinge column of the swinging section 112 is placed between the upper hinge panel and the lower hinge panel of the fixed section 111, and a bolt penetrates through the hinge hole and the hinge column to hinge the fixed section 111 and the swinging section 112 together; the fixture block 12 is in a straight strip shape and is fixedly connected to one side of the top end of the swing section 112 in a spot welding manner.

Example 2: a TBM track support assembly comprises a bottom plate 2, a travelling crane track 3 and a connecting piece 1; the travelling crane rail 3 is perpendicular to the bottom plate 2 along the longitudinal geometric symmetrical center line of the bottom plate 2, a clamping groove 4 is formed in one transverse side of one end of the travelling crane rail 3, and the connecting piece 1 matched with the clamping groove 4 is arranged on the longitudinal side face of the other end of the travelling crane rail 3; the length part of the connecting piece supporting rod 11 extending out of the travelling crane track 3 is the same as the distance between the arrangement position of the clamping groove 4 and the end surface of the travelling crane track 3.

Because the clamping groove 4 is arranged at one side of the travelling rail 3 in a penetrating manner, a gap exists on the travelling rail 3, if the gap is not processed, the transportation vehicle can vibrate during operation, the structure of the travelling rail 3 can be damaged, and the transportation vehicle can be separated from the rail to cause certain potential safety hazard, so that the height of the clamping block 12 is set to be equal to the height of the travelling rail 3, and the clamping block 12 is matched with the clamping groove 4 arranged on the travelling rail 3, so that the gap can be compensated, and the risk that the transportation vehicle is separated from the travelling rail 3 is reduced; in order to further ensure the tight connection between the two sections of the running rails 3, one side of the fixture block 12 and one side of the running rails 3 are respectively provided with a threaded connecting hole, and the two threaded connecting holes are correspondingly arranged to form the fixed positions of the matched connecting piece 1 and the running rails 3, so that the tight matching degree between the running rails 3 is greatly improved.

Example 3: a TBM track structure, see figure 2, comprises sleepers 5 fixed on the ground at equal intervals along a tunnel and track support assemblies fixedly connected to the sleepers 5; the track support component comprises a bottom plate 2 symmetrically fixed on two sides of the sleeper rail 4, a travelling crane rail 3 vertically fixed on the bottom plate 2, a clamping groove 4 arranged on one transverse side of one end of the travelling crane rail 3 and a connecting piece 1 fixed at the other end of the travelling crane rail 3 and matched with the clamping groove 4.

The installation and construction method of the TBM track structure comprises the following steps:

clamping block 12 in the next track bracket component in the draw-in groove 4 in the last track bracket component, wear to locate the threaded connection hole that sets up on clamping block 12 and driving track 3 one side through the bolt to twist fixedly with lock nut, with two track bracket component zonulae occludens together, so lay and connect the tunnel track structure that constitutes a completion.

While the utility model has been described in detail with reference to the drawings and examples, it will be understood by those skilled in the art that various changes in the details of the embodiments and various changes in the details of construction and materials may be made therein without departing from the spirit of the utility model and without departing from the scope of the utility model.

Claims

1. A TBM construction track connecting piece comprises a supporting rod and a clamping block; the supporting rod is characterized by comprising a fixed section and a swinging section, wherein the fixed section is movably hinged with the swinging section, and the fixture block is fixedly connected to one side of the swinging section of the supporting rod.

2. A TBM track support assembly is characterized by comprising a bottom plate, a travelling crane track and a connecting piece; the driving track is vertically fixed on the bottom plate, a clamping groove is formed in one transverse side of one end of the driving track, and a connecting piece matched with the clamping groove is arranged at the other end of the driving track.

3. The TBM track support assembly of claim 2, wherein the connector includes a support bar and a latch; the supporting rod comprises a fixed section and a swinging section, the fixed section is movably hinged with the swinging section, the fixed section is fixedly connected to one side of the traveling track, and the swinging section is fixedly connected with the clamping block.

4. The TBM track support assembly of claim 2, wherein the length of the connector support rod extending out of the service track corresponds to the length of the slot from the slot setting position to one end of the service track.

5. The TBM rail bracket assembly according to claim 2, wherein the fixture block has a height equal to the height of the running rail, and the fixture block is matched with a clamping groove arranged on the running rail.

6. The TBM rail bracket assembly according to claim 2, wherein the fixture block and one side of the running rail are respectively provided with a connecting hole, and the two connecting holes are correspondingly arranged to form a fixed position of the matched connecting piece and the running rail.

7. A TBM track structure is characterized by comprising a sleeper fixed on the ground at equal intervals along a track line and a track support assembly fixed on the sleeper; the track support component comprises bottom plates symmetrically fixed on two sides of the sleeper rail, a travelling crane rail vertically fixed on the bottom plates, a clamping groove arranged on one transverse side of one end of the travelling crane rail, and a connecting piece fixed at the other end of the travelling crane rail and matched with the clamping groove.