阅读说明：本技术 盾构施工轨道结构及其施工方法 (Shield construction track structure and construction method thereof ) 是由 李顺 孟儒双 王强 冯硕 于 2019-12-25 设计创作，主要内容包括：本发明涉及一种盾构施工轨道结构及其施工方法,其中轨道结构包括：沿着盾构的管片的走向间隔铺设于管片上的多个轨枕,轨枕通过限位件连接于管片；插设限位于轨枕上且相对设置的一对轨道；一端以可拆卸的方式固接于对应的轨道的拉杆,一对拉杆的位于一对轨道之间的端部相互对接且以可调节的方式固接,从而拉结一对轨道。本发明通过采用适配于管片的轨枕设于管片上且轨枕和管片通过限位件连接,防止轨枕位移。将轨道插设于轨枕上实现对轨道的限位。采用一对拉杆将一对轨道相互拉结,能够控制一对轨道之间的间距一定,防止轨道偏移。一对拉杆可拆卸连接,方便将拉杆从一对轨道之间的空间内进行安装操作,避免轨道端部作业空间小影响施工的问题。(The invention relates to a shield construction track structure and a construction method thereof, wherein the track structure comprises: the sleepers are laid on the duct piece at intervals along the direction of the duct piece of the shield and connected to the duct piece through limiting pieces; a pair of rails which are inserted and limited on the sleeper and are arranged oppositely; one end of each pull rod is detachably and fixedly connected with the corresponding pull rod of the corresponding track, and the end parts of the pair of pull rods, which are positioned between the pair of tracks, are mutually butted and fixedly connected in an adjustable mode, so that the pair of tracks are pulled and connected. The sleeper adaptive to the duct piece is arranged on the duct piece, and the sleeper is connected with the duct piece through the limiting piece, so that the sleeper is prevented from moving. The rail is inserted into the sleeper to limit the rail. The pair of tracks are mutually pulled and connected by the pair of pull rods, so that the distance between the pair of tracks can be controlled to be constant, and the tracks can be prevented from deviating. The connection can be dismantled to a pair of pull rod, conveniently installs the operation with the pull rod in the space between a pair of track, avoids the problem that track tip operation space influences the construction for a short time.)

1. The utility model provides a shield constructs construction track structure which characterized in that includes:

the device comprises a plurality of sleepers, a plurality of positioning pieces and a plurality of connecting pieces, wherein the sleepers are laid on a duct piece of a shield at intervals along the direction of the duct piece and connected to the duct piece through the positioning pieces;

the pair of rails are inserted on the sleepers and are oppositely arranged; and

one end of each pull rod is detachably and fixedly connected with the corresponding pull rod of the corresponding track, and the end parts of the pair of pull rods, which are positioned between the pair of tracks, are mutually butted and fixedly connected in an adjustable manner, so that the pair of tracks are pulled and connected.

2. The shield construction track structure of claim 1,

the end parts of the pair of pull rods between the pair of tracks are provided with external threads, and the pair of pull rods are connected through a sleeve in a screwed mode.

3. The shield construction track structure of claim 1,

the pull rod is screwed with a limit block attached to the inner side of the track;

the pull rod is screwed with a nut attached to the outer side of the track, so that the pull rod and the track are fixedly connected in a detachable mode through the limiting block and the nut.

4. The shield construction track structure of claim 1,

the top surface of the sleeper is provided with a limiting groove which is adapted to the corresponding track;

the rails are inserted into the corresponding limiting grooves.

5. The shield construction track structure of claim 1,

the locating part is the reinforcing bar, the one end of reinforcing bar is fixed in the sleeper, the connecting bolt rigid coupling of the other end and the section of jurisdiction of reinforcing bar.

6. A construction method of a shield construction track structure is characterized by comprising the following steps:

providing a plurality of sleepers and limiting pieces, laying the sleepers on a pipe piece of a shield at intervals along the direction of the pipe piece, and connecting the sleepers to the pipe piece through the limiting pieces;

providing a pair of rails, and inserting the pair of rails on the sleeper and oppositely arranging the rails; and

and providing a pair of pull rods, detachably fixing one end of each pull rod to the corresponding track, and butting and adjustably fixing the end parts of the pair of pull rods between the pair of tracks so as to tie the pair of tracks.

7. The construction method of a shield construction track structure according to claim 6,

providing a sleeve, wherein the end parts of the pair of pull rods between the pair of tracks are provided with external threads, and the sleeve is sleeved on the end parts of the pull rods between the pair of tracks, so that the pair of pull rods are screwed and connected through the sleeve.

8. The construction method of a shield construction track structure according to claim 6,

providing a limiting block, screwing the limiting block on the pull rod and attaching the limiting block to the inner side of the track;

and providing a nut, screwing the nut on the pull rod and attaching the nut to the outer side of the track, so that the pull rod and the track are fixedly connected in a detachable mode through the limiting block and the nut.

9. The construction method of a shield construction track structure according to claim 6,

insert a pair of the track establish spacing in just relative setting on the sleeper includes:

limiting grooves which are matched with the corresponding rails are formed in the top surfaces of the sleepers;

and inserting the rails into the corresponding limiting grooves.

10. The construction method of a shield construction track structure according to claim 6,

the limiting part is a steel bar, one end of the steel bar is fixed on the sleeper, and the other end of the steel bar is fixedly connected with the connecting bolt of the duct piece.

Technical Field

The invention relates to the field of building construction, in particular to a shield construction track structure and a construction method thereof.

Background

In the shield construction process, a locomotive is adopted to transport dregs and segments, so that tracks for running of the locomotive need to be continuously connected in the shield. At present, the longer the subway is maintained, the longer the running distance of the locomotive in the tunnel is, the tunnel curve exists, and in addition, the reciprocating operation of the loaded locomotive generates extrusion force on the track to cause the deviation of the track, and in severe cases, the locomotive derails to cause economic loss and construction period loss.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, provides a shield construction track structure and a construction method thereof, and solves the problems that in the prior art, the running distance of a locomotive in a tunnel is lengthened, the tunnel curve exists, and the reciprocating operation of a loaded locomotive generates extrusion force on the track to cause the offset of the track.

The technical scheme for realizing the purpose is as follows:

the invention provides a shield construction track structure, comprising:

the device comprises a plurality of sleepers, a plurality of positioning pieces and a plurality of connecting pieces, wherein the sleepers are laid on a duct piece of a shield at intervals along the direction of the duct piece and connected to the duct piece through the positioning pieces;

the pair of rails are inserted on the sleepers and are oppositely arranged; and

one end of each pull rod is detachably and fixedly connected with the corresponding pull rod of the corresponding track, and the end parts of the pair of pull rods, which are positioned between the pair of tracks, are mutually butted and fixedly connected in an adjustable manner, so that the pair of tracks are pulled and connected.

The shield construction track structure of the invention is further improved in that,

the end parts of the pair of pull rods between the pair of tracks are provided with external threads, and the pair of pull rods are connected through a sleeve in a screwed mode.

The shield construction track structure of the invention is further improved in that,

the pull rod is screwed with a limit block attached to the inner side of the track;

the pull rod is screwed with a nut attached to the outer side of the track, so that the pull rod and the track are fixedly connected in a detachable mode through the limiting block and the nut.

The shield construction track structure of the invention is further improved in that,

the top surface of the sleeper is provided with a limiting groove which is adapted to the corresponding track;

the rails are inserted into the corresponding limiting grooves.

The shield construction track structure of the invention is further improved in that,

the locating part is the reinforcing bar, the one end of reinforcing bar is fixed in the sleeper, the connecting bolt rigid coupling of the other end and the section of jurisdiction of reinforcing bar.

The invention also provides a construction method of the shield construction track structure, which comprises the following steps:

providing a plurality of sleepers and limiting pieces, laying the sleepers on a pipe piece of a shield at intervals along the direction of the pipe piece, and connecting the sleepers to the pipe piece through the limiting pieces;

providing a pair of rails, inserting and limiting the pair of rails on the sleeper and oppositely arranging the rails; and

and providing a pair of pull rods, detachably fixing one end of each pull rod to the corresponding track, and butting and adjustably fixing the end parts of the pair of pull rods between the pair of tracks so as to tie the pair of tracks.

The construction method of the shield construction track structure of the invention is further improved in that,

providing a sleeve, wherein the end parts of the pair of pull rods between the pair of tracks are provided with external threads, and the sleeve is sleeved on the end parts of the pull rods between the pair of tracks, so that the pair of pull rods are screwed and connected through the sleeve.

The construction method of the shield construction track structure of the invention is further improved in that,

providing a limiting block, screwing the limiting block on the pull rod and attaching the limiting block to the inner side of the track;

and providing a nut, screwing the nut on the pull rod and attaching the nut to the outer side of the track, so that the pull rod and the track are fixedly connected in a detachable mode through the limiting block and the nut.

The construction method of the shield construction track structure of the invention is further improved in that,

insert a pair of the track establish spacing in just relative setting on the sleeper includes:

limiting grooves which are matched with the corresponding rails are formed in the top surfaces of the sleepers;

and inserting the rails into the corresponding limiting grooves.

The construction method of the shield construction track structure of the invention is further improved in that,

the limiting part is a steel bar, one end of the steel bar is fixed on the sleeper, and the other end of the steel bar is fixedly connected with the connecting bolt of the duct piece.

The shield construction track structure has the beneficial effects that:

the sleeper adaptive to the duct piece is arranged on the duct piece, and the sleeper is connected with the duct piece through the limiting piece, so that the sleeper is prevented from moving. The rail is inserted into the sleeper to limit the rail. The pair of tracks are mutually pulled and connected by the pair of pull rods, so that the distance between the pair of tracks can be controlled to be constant, and the tracks can be prevented from deviating. The connection with adjustable a pair of pull rod is convenient installs the operation with the pull rod in the space between a pair of track, avoids the problem that track tip operation space influences the construction for a short time, easy to assemble and dismantlement. The invention can solve the problems that the running distance of the locomotive in the tunnel is lengthened, the tunnel curve exists, and the reciprocating operation of the loaded locomotive generates extrusion force on the track to cause the deviation of the track in the prior art.

Drawings

Fig. 1 is a vertical sectional view of a shield construction track structure of the present invention.

Fig. 2 is a transverse sectional view of the shield construction track structure of the present invention.

Detailed Description

The invention is further described with reference to the following figures and specific examples.

Referring to fig. 1, a vertical cross-sectional view of a shield construction track structure of the present invention is shown. Fig. 2 is a transverse sectional view of the shield construction track structure of the present invention. Referring to fig. 1 and 2, the shield construction track structure of the present invention includes:

the plurality of sleepers 20 are laid on the segment 10 at intervals along the direction of the segment 10 of the shield, and the sleepers 20 are connected to the segment 10 through limiting parts;

a pair of rails 30 inserted into the sleepers 20 and disposed opposite to each other; and

one end of the pull rod 40 is detachably fixed to the corresponding rail 30, and ends of the pair of pull rods 40 between the pair of rails 30 are butted and adjustably fixed to each other, thereby pulling the pair of rails 30.

As a preferred embodiment of the shield construction track structure of the present invention, the ends of the pair of tie rods 40 between the pair of tracks 30 are provided with external threads, and the pair of tie rods are threadedly coupled through the sleeve 50. The pull rod is convenient to install and replace. When the operation space on the two sides of the track is limited, the pull rod can penetrate through the corresponding track from the space between the pair of tracks, so that the operation is convenient.

In this embodiment, the end of one opposing tie rod 40 is a positive wire and the end of the other tie rod 40 is a negative wire. The inner wall of the sleeve 50 is provided with a positive wire and a negative wire which are matched.

As a preferred embodiment of the shield construction track structure of the present invention, the pull rod 40 is screwed with a limit block 60 attached to the inner side of the track 30; the pull rod 40 is screwed with a nut 70 attached to the outer side of the rail 30, and the pull rod 40 and the rail 30 are detachably fixed to each other by a stopper 60 and the nut 70.

As a preferred embodiment of the shield construction track structure of the present invention, the top surface of the sleeper 20 is provided with a limiting groove adapted to the corresponding track 30; the rails 30 are inserted into the corresponding limiting grooves.

In this embodiment, the curvature of the underside of tie 20 is adapted to the curvature of segment 10. The tie 20 has a thickness such that a retaining groove can be provided.

The track 30 is of an i-steel structure and comprises a vertical web plate, and an upper wing plate and a lower wing plate which are fixed at two ends of the web plate from top to bottom.

The width of the limiting groove is matched with the lower wing plate of the track 30.

Further, when the tie 20 is provided with the limiting groove, a protrusion 21 is formed to be correspondingly inserted between the limiting block 60 and the lower wing plate, so as to further limit the rail 30 and the tie 20.

In this embodiment, the limiting member is a steel bar, one end of the steel bar is fixed to the sleeper 20, and the other end of the steel bar is fixedly connected to the connecting bolt of the duct piece 10.

The invention also provides a construction method of the shield construction track structure, which comprises the following steps:

providing a plurality of sleepers 20 and limiting pieces, laying the sleepers 20 on the segment 10 at intervals along the moving direction of the segment 10 of the shield, and connecting the sleepers 20 to the segment 10 through the limiting pieces;

providing a pair of rails 30, and inserting the pair of rails 30 on the sleeper 20 and arranging the rails oppositely; and

a pair of tie rods 40 are provided, one end of each tie rod 40 is detachably fixed to the corresponding rail 30, and ends of the tie rods 40 between the rails 30 are butted against each other and adjustably fixed, thereby tying the rails 30.

As a preferred embodiment of the construction method of the shield construction track structure according to the present invention, a sleeve 50 is provided, and the ends of the pair of tie rods 40 between the pair of tracks 30 are provided with external threads, and the sleeve 50 is fitted over the ends of the tie rods between the pair of tracks 30, so that the pair of tie rods 40 are screwed together by the sleeve.

In this embodiment, the end of one opposing tie rod 40 is a positive wire and the end of the other tie rod 40 is a negative wire. The inner wall of the sleeve 50 is provided with a positive wire and a negative wire which are matched.

As a preferred embodiment of the construction method of the shield construction track structure of the present invention, a stopper 60 is provided, and the stopper 60 is screwed to the pull rod 40 and attached to the inner side of the track 30; the stopper 60 prevents the rail 30 from slipping toward the middle.

As a preferred embodiment of the construction method of the shield construction track structure according to the present invention, a nut 70 is provided, and the nut 70 is screwed to the pull rod 40 and attached to the outer side of the track 30, so that the pull rod 40 and the track 30 are detachably fixed by the stopper 60 and the nut 70. A washer is sandwiched between the nut 70 and the rail.

As a preferred embodiment of the construction method of the shield construction track structure of the present invention, the inserting and limiting of the pair of tracks 30 on the sleeper 20 and the relative arrangement thereof includes:

the top surface of the sleeper 20 is provided with a limit groove adapted to the corresponding rail 30;

the rails 30 are inserted into the corresponding stopper grooves.

Further, the limiting members are reinforcing steel bars, one ends of the reinforcing steel bars are fixed to the sleepers 20, and the other ends of the reinforcing steel bars are fixedly connected with the connecting bolts of the duct pieces 10.

In the embodiment, the inner diameter of the duct piece is 5500mm, the width of the duct piece is 1200mm, the thickness of the duct piece is 350mm, the rail is 43kg/M, the rail is M16, the rail is fixed by a bolt with the length of 50mm, and the sleeper is fixed by welding through a phi 10 steel bar.

The shield construction track structure and the construction method thereof have the beneficial effects that:

the sleeper adaptive to the duct piece is arranged on the duct piece, and the sleeper is connected with the duct piece through the limiting piece, so that the sleeper is prevented from moving. The rail is inserted into the sleeper to limit the rail. The pair of tracks are mutually pulled and connected by the pair of pull rods, so that the distance between the pair of tracks can be controlled to be constant, and the tracks can be prevented from deviating. The connection can be dismantled to a pair of pull rod, conveniently installs the operation with the pull rod in the space between a pair of track, avoids the problem that track tip operation space influences the construction for a short time. The invention can solve the problems that the running distance of the locomotive in the tunnel is lengthened, the tunnel curve exists, and the reciprocating operation of the loaded locomotive generates extrusion force on the track to cause the deviation of the track in the prior art.

While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.