CN211922147U

CN211922147U - Shield socket-and-spigot type walkway plate structure suitable for different ring widths

Info

Publication number: CN211922147U
Application number: CN202020251899.5U
Authority: CN
Inventors: 尹清锋; 翟梁旭; 练明; 王春河
Original assignee: China Construction Communications Engineering Group Co Ltd
Current assignee: China Construction Communications Engineering Group Co Ltd
Priority date: 2020-03-04
Filing date: 2020-03-04
Publication date: 2020-11-13
Anticipated expiration: 2030-03-04

Abstract

A shield socket joint type walkway plate structure suitable for different ring widths comprises a walkway plate; the walkway plates are in a group and are spliced and connected along the longitudinal direction; the walkway plate comprises a rectangular frame, a transverse support and a steel wire mesh; first sleeves are arranged on the front side edge of the rectangular frame at intervals along the transverse direction; a second sleeve is arranged on the rear side edge of the rectangular frame at a position corresponding to the first sleeve; the second sleeve is internally provided with internal threads; a socket pin is connected in the second sleeve in a threaded manner; the end part of the socket pin exceeds the rear side edge of the rectangular frame, and the outer surface of the exceeding part is a smooth surface; the adjacent walkway plates are connected with the first sleeve on the walkway plate at the rear side in a socket manner through socket pins on the walkway plate at the front side. The utility model provides a technical problem that guidance tape structural security is poor, adaptability is poor, turnover rate is low and construction cost is high.

Description

Shield socket-and-spigot type walkway plate structure suitable for different ring widths

Technical Field

The utility model relates to a tunnel engineering technical field, especially a shield constructs socket joint formula pavement structure suitable for different ring widths.

Background

The shield tunnel construction is a tunnel tunneling method which is widely applied at present, and has obvious superiority in the aspects of construction speed, safety and the like, so the shield tunnel construction is widely applied to tunnel engineering of urban rail transit, railways, highways, municipal administration, hydropower and the like. The tunnel of the shield method is continuously driven forward and deeply by the shield machine, and a set of pedestrian passing device in the tunnel needs to be installed in the formed tunnel to allow pedestrians to pass through so as to ensure the passing safety of the pedestrians and avoid the running conflict between the pedestrians and the battery cars for construction in the tunnel.

At present, the pedestrian device that passes in the shield tunnel that uses domestically is mostly the guidance tape system of walking, and current shield constructs the guidance tape system and adopts angle steel (or channel-section steel) outer welding wire net for walking guidance tape primary structure more, walks guidance tape card according to the wide preparation same length of section of jurisdiction ring and fix at the angle steel support inner groovy, and this kind of current guidance tape system of walking has following shortcoming: firstly, the structural strength and rigidity of the walkway plate are poor: the steel wire mesh at the middle part is easy to damage and leak, and the safety of pedestrians is affected; secondly, walking stability is poor: along with the long-time walking of the pedestrian, the positions of the two ends of the walkway plate are easy to loosen and fall off from the angle iron bracket, so that the safety of the pedestrian is influenced; thirdly, the adaptability is poor, the turnover rate is low: the length of the walkway plate is strictly adapted to the width of the segment ring, the walkway plate can not be used in shield engineering tunnels with different segment ring widths, the turnover rate is low, and the construction cost is greatly increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a shield constructs socket joint formula pavement structure suitable for different ring widths, the technical problem that pavement structure security is poor, adaptability is poor, turnover rate is low and construction cost is high is solved.

In order to achieve the above purpose, the utility model adopts the following technical scheme.

A shield socket joint type walkway plate structure suitable for different ring widths comprises a walkway plate; the walkway plates are in a group and are spliced and connected along the longitudinal direction; the walkway plate comprises a rectangular frame, a transverse support and a steel wire mesh; first sleeves are arranged on the front side edge of the rectangular frame at intervals along the transverse direction; a second sleeve is arranged on the rear side edge of the rectangular frame at a position corresponding to the first sleeve; the second sleeve is internally provided with internal threads; a socket pin is connected in the second sleeve in a threaded manner; the end part of the socket pin exceeds the rear side edge of the rectangular frame, and the outer surface of the exceeding part is a smooth surface; the adjacent walkway plates are connected with the first sleeve on the walkway plate at the rear side in a socket manner through socket pins on the walkway plate at the front side.

Preferably, the rectangular frame comprises a transverse frame edge and a longitudinal frame edge; the cross section of the transverse frame edge is rectangular; the longitudinal frame edges are made of steel bar pieces, and the transverse frame edges are welded with the longitudinal frame edges; and the steel wire mesh is respectively connected with the rectangular frame and the transverse support in a welding manner.

Preferably, the transverse supports are provided with a group and are connected between the longitudinal frame edges at intervals in parallel along the longitudinal direction; the cross section of the transverse support is rectangular and is connected with the longitudinal frame edges in a welding mode.

Preferably, the length of the socket pin is not less than the sum of the lengths of the first sleeve and the second sleeve.

Preferably, the width of the transverse frame edge is adapted to that of the longitudinal frame edge; the width dimension of the transverse support is not more than 0.9 times of the width of the longitudinal frame edge.

Preferably, the length of the second sleeve is the same as the width of the longitudinal frame edge; the outer diameter of the second sleeve is 0.5-0.6 times of the width of the longitudinal frame edge; the inner diameter of the second sleeve is 0.4-0.5 times of the width of the longitudinal frame edge.

Preferably, the length of the first sleeve is the same as the length of the second sleeve; the inner diameter and the outer diameter of the first sleeve are 0.95-1 times of the inner diameter and the outer diameter of the second sleeve.

Compared with the prior art, the utility model has the following characteristics and beneficial effect.

1. The utility model discloses a shield constructs socket joint formula pavement structure compares with current traditional pavement system, and the effectual problem of having overcome current pavement structure low in strength, rigidity difference through set up horizontal support in rectangular frame, has avoided the condition of middle part steel wire mesh easy damage, leak, the effectual pedestrian walking safety in tunnel of having guaranteed.

2. The utility model discloses a shield constructs socket joint formula guidance tape structure, walk the guidance tape system with current tradition and compare, effectually overcome the poor problem of current guidance tape walking steadiness, through before the guidance tape, the rear end sets up the fixed mode of socket joint pin socket joint, avoided current guidance tape because the long-time shape of pedestrian walks and causes the condition that both ends position is not hard up easily, drops, the effectual pedestrian's walking safety in having guaranteed the tunnel.

3. The utility model discloses a guidance tape structure is walked to shield structure socket joint formula, it compares to walk guidance tape system with current tradition, the effectual current guidance tape engineering adaptability of having overcome is poor, the problem that the turnover rate is low, through before walking the guidance tape, the rear end sets up the fixed mode of socket joint pin socket joint, it has the wholeness to make to walk guidance tape system, can tile on walking guidance tape support, the restriction that current guidance tape length need strict and section of jurisdiction ring width adaptation has been removed, the shield structure engineering tunnel inner loop of ring width at different sections of jurisdiction uses, the material turnover rate has been improved, construction cost is reduced.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 is a schematic plan view of the present invention.

Fig. 2 is a schematic side view of the present invention.

Fig. 3 is a schematic structural view of the present invention, wherein a first sleeve is disposed on the front side of the rectangular frame.

Fig. 4 is a schematic structural view of the middle rectangular frame of the present invention, which is provided with a second sleeve on the rear side edge.

Fig. 5 is a schematic structural diagram of the socket pin of the present invention.

Reference numerals: 1-rectangular frame, 1.1-transverse frame edge, 1.2-longitudinal frame edge, 2-transverse support, 3-steel wire mesh, 4-first sleeve, 5-second sleeve and 6-socket pin.

Detailed Description

As shown in fig. 1-5, the shield socket-and-spigot type walkway plate structure suitable for different ring widths comprises a walkway plate; the walkway plates are in a group and are spliced and connected along the longitudinal direction; the walkway plate comprises a rectangular frame 1, a transverse support 2 and a steel wire mesh 3; the front side edge of the rectangular frame 1 is provided with first sleeves 4 at intervals along the transverse direction; a second sleeve 5 is arranged on the rear side edge of the rectangular frame 1 at a position corresponding to the first sleeve 4; the second sleeve 5 is internally provided with internal threads; a socket pin 6 is connected in the second sleeve 5 in a threaded manner; the end part of the socket pin 6 exceeds the rear side edge of the rectangular frame 1, and the outer surface of the exceeding part is a smooth surface; the adjacent walkway plates are connected with the first sleeve 4 on the walkway plate at the rear side in a socket way through socket pins 6 on the walkway plate at the front side.

In this embodiment, the rectangular frame 1 includes a horizontal frame edge 1.1 and a vertical frame edge 1.2; the section of the transverse frame edge 1.1 is rectangular; the longitudinal frame edge 1.2 is made of a section steel rod piece, and the transverse frame edge 1.1 is connected with the longitudinal frame edge 1.2 in a welding mode; and the steel wire mesh 3 is respectively connected with the rectangular frame 1 and the transverse support 2 in a welding manner.

In the embodiment, the transverse supports 2 are provided with one group and are longitudinally connected between the longitudinal frame edges 1.2 in parallel at intervals; the cross section of the transverse support 2 is rectangular and is connected with the longitudinal frame edge 1.2 in a welding mode.

In this embodiment, the length of the socket pin 6 is not less than the sum of the lengths of the first sleeve 4 and the second sleeve 5.

In the embodiment, the width of the transverse frame edge 1.1 is matched with that of the longitudinal frame edge 1.2; the width dimension of the transverse support 2 is not more than 0.9 times of the width of the longitudinal frame edge 1.2.

In this embodiment, the length of the second sleeve 5 is the same as the width of the longitudinal frame edge 1.2; the outer diameter of the second sleeve 5 is 0.5-0.6 times of the width of the longitudinal frame edge 1.2; the inner diameter of the second sleeve 5 is 0.4 to 0.5 times the width of the longitudinal frame edge 1.2.

In this embodiment, the length of the first sleeve 4 is the same as the length of the second sleeve 5; the inner diameter and the outer diameter of the first sleeve 4 are 0.95-1 times of the inner diameter and the outer diameter of the second sleeve 5.

In the embodiment, the construction method suitable for the shield socket type walkway plate structure with different ring widths comprises the following specific steps.

Step one, prefabricating a transverse frame edge 1.1, a transverse support 2, a longitudinal frame edge 1.2, a steel wire mesh 3, a socket pin 6, a first sleeve 4 and a second sleeve 5 in a factory according to construction design requirements.

Step two, the contact part of the transverse frame edge 1.1 and the longitudinal frame edge 1.2 is fixed by full welding; and (3) fully welding and fixing the contact part of the transverse support 2 and the vertical frame edge 1.2.

And step three, fully paving a steel wire mesh 3, and fully welding and fixing the steel wire mesh 3 with the longitudinal frame edge 1.2, the transverse frame edge 1.1 and the transverse support 2 respectively to manufacture the formed socket joint walkway plate.

And step four, fixing the first sleeve 4 in the transverse frame edge 1.1 on one side, and fixing the second sleeve 5 in the transverse frame edge 1.1 on the other side.

And step five, inserting the socket pin 6 into the second sleeve 5 for fixing.

And step six, inserting the part of the socket pin 6, which exceeds the rectangular frame 1, into the first sleeve 4 of the next socket walkway plate for fixation, and finishing the laying of the socket walkway plate structure.

The above embodiments are not exhaustive of the specific embodiments, and other embodiments are possible, and the above embodiments are intended to illustrate, but not limit the scope of the present invention, and all applications coming from the simple changes of the present invention fall within the scope of the present invention.

Claims

1. A shield socket joint type walkway plate structure suitable for different ring widths comprises a walkway plate; the walkway plates are in a group and are spliced and connected along the longitudinal direction; the method is characterized in that: the walkway plate comprises a rectangular frame (1), a transverse support (2) and a steel wire mesh (3); first sleeves (4) are arranged on the front side edge of the rectangular frame (1) at intervals along the transverse direction; a second sleeve (5) is arranged on the rear side edge of the rectangular frame (1) at a position corresponding to the first sleeve (4); the second sleeve (5) is internally provided with internal threads; a socket pin (6) is connected in the second sleeve (5) in a threaded manner; the end part of the socket pin (6) exceeds the rear side edge of the rectangular frame (1), and the outer surface of the exceeding part is a smooth surface; the adjacent walkway plates are in socket joint connection with the first sleeve (4) on the walkway plate at the rear side through socket pins (6) on the walkway plate at the front side.

2. The shield socket-and-spigot walkway structure for different ring widths of claim 1, wherein: the rectangular frame (1) comprises a transverse frame edge (1.1) and a longitudinal frame edge (1.2); the cross section of the transverse frame edge (1.1) is rectangular; the longitudinal frame edge (1.2) is made of a section steel rod piece, and the transverse frame edge (1.1) is welded with the longitudinal frame edge (1.2); and the steel wire mesh (3) is respectively connected with the rectangular frame (1) and the transverse support (2) in a welding manner.

3. The shield socket-and-spigot walkway structure for different ring widths of claim 1, wherein: the transverse supports (2) are provided with a group and are connected between the longitudinal frame edges (1.2) at intervals in parallel along the longitudinal direction; the cross section of the transverse support (2) is rectangular and is connected with the longitudinal frame edge (1.2) in a welding way.

4. The shield socket-and-spigot walkway structure for different ring widths of claim 1, wherein: the length of the socket pin (6) is not less than the sum of the lengths of the first sleeve (4) and the second sleeve (5).

5. The shield socket-and-spigot walkway structure for different ring widths of claim 2, wherein: the width of the transverse frame edge (1.1) is adapted to that of the longitudinal frame edge (1.2); the width dimension of the transverse support (2) is not more than 0.9 time of the width of the longitudinal frame edge (1.2).

6. The shield socket-and-spigot walkway structure for different ring widths of claim 5, wherein: the length of the second sleeve (5) is the same as the width of the longitudinal frame edge (1.2); the outer diameter of the second sleeve (5) is 0.5-0.6 times of the width of the longitudinal frame edge (1.2); the inner diameter of the second sleeve (5) is 0.4-0.5 times of the width of the longitudinal frame edge (1.2).

7. The shield socket-and-spigot walkway structure for different ring widths of claim 1, wherein: the length of the first sleeve (4) is the same as that of the second sleeve (5); the inner and outer diameter of the first sleeve (4) is 0.95-1 times of the inner and outer diameter of the second sleeve (5).