阅读说明：本技术 盾构连接管线的支承装置及连接管线的管控方法 (Supporting device of shield connecting pipeline and control method of connecting pipeline ) 是由 陈时光 于 2021-01-08 设计创作，主要内容包括：本发明公开了一种盾构连接管线的支承装置及连接管线的管控方法,该装置包括：设置于盾构工作井的上端口的底座；龙门架,包括两立柱和横梁,两所述立柱分别竖设于所述底座的相对两侧,所述横梁连接于两所述立柱；供连接管线搁置的第一滚轴,可转动地安装于两所述立柱且设置于所述横梁的下方,所述第一滚轴与所述横梁之间形成供所述连接管线穿设的导向空间；供所述连接管线搁置的第二滚轴,所述第二滚轴与所述第一滚轴同向设置；以及用于可活动地套设于所述连接管线的束带,可升降地安装于所述横梁。本发明解决了在盾构主机下井后,盾构主机与未下井的后配套拖车之间的连接管线难以管控的问题。(The invention discloses a supporting device of a shield connecting pipeline and a control method of the connecting pipeline, wherein the device comprises: the base is arranged at the upper port of the shield working well; the portal frame comprises two upright columns and a cross beam, the two upright columns are respectively vertically arranged on two opposite sides of the base, and the cross beam is connected with the two upright columns; the first rolling shafts are rotatably arranged on the two upright columns and arranged below the cross beam, and a guide space for the connection pipeline to penetrate is formed between the first rolling shafts and the cross beam; the second roller is used for placing the connecting pipeline, and the second roller and the first roller are arranged in the same direction; and the binding belt is used for being movably sleeved on the connecting pipeline and is arranged on the beam in a lifting way. The invention solves the problem that after the shield host goes into the well, the connecting pipeline between the shield host and the rear matching trailer which is not going into the well is difficult to control.)

1. A support device for a shield connecting line, comprising:

the base is arranged at the upper port of the shield working well;

the portal frame comprises two upright columns and a cross beam, the two upright columns are respectively vertically arranged on two opposite sides of the base, and the cross beam is connected with the two upright columns;

the first rolling shafts are rotatably arranged on the two upright columns and arranged below the cross beam, and a guide space for the connection pipeline to penetrate is formed between the first rolling shafts and the cross beam;

the second roller is used for placing the connecting pipeline, and the second roller and the first roller are arranged in the same direction; and

the binding belt is used for being movably sleeved on the connecting pipeline and is arranged on the beam in a lifting mode.

2. The apparatus of claim 1, wherein a diagonal brace is connected between the vertical column and the base in an oblique manner.

3. The shield connecting line support apparatus of claim 2, wherein the first roller is rotatably mounted to the sprag.

4. The shield connecting line support apparatus of claim 3, wherein the first roller is located above the second roller.

5. The supporting device for the shield connecting pipeline according to claim 3, wherein the brace is fixedly provided with a first ear plate, the first ear plate is provided with a first shaft hole, and the first roller is rotatably inserted into the first shaft hole.

6. The shield connecting line supporting apparatus of claim 1, wherein the cross beam is mounted with a chain block, and the strap is connected to the chain block.

7. The support device for a shield connection pipeline according to claim 6, wherein the chain block is disposed on a side of the cross beam facing the second roller.

8. The apparatus as claimed in claim 1, wherein a second ear plate is erected on the base, the second ear plate defines a second axial hole, and the second roller is rotatably disposed in the second axial hole.

9. A method for managing a connecting line of a shield connecting line support device according to any one of claims 1 to 8, comprising the steps of:

mounting a base at an upper port of shield work, so that a guide space is aligned with the upper port;

sequentially penetrating the middle part of a connecting pipeline into the guide space and the binding belt, placing the connecting pipeline on a first rolling shaft and a second rolling shaft, extending the first end of the connecting pipeline into the working well and connecting the first end of the connecting pipeline to a shield host, and connecting the second end of the connecting pipeline to a shield matching trailer arranged outside the shield working well;

the shield machine advances forward, and simultaneously the band descends so that the middle part of connecting line rests on first roller bearing and the second roller bearing, makes the shield machine pull forward the connecting line, when the shield machine is in non-advancing state, the band rises in order to lift upward the connecting line, avoids the connecting line slide down in the working well.

Technical Field

The invention relates to the technical field of shield construction, in particular to a supporting device of a shield connecting pipeline and a control method of the connecting pipeline.

Background

In recent years, with the rapid development of urban subway tunnels, shield construction methods are more mature and widely applied to tunnels such as coal mines, electric power, water supply and the like. The total length of the shield machine is generally 100 meters, the electric power and water conservancy working wells are generally 20 meters, and the shield machine aims at reducing the construction cost, reducing the engineering land and saving the construction cost during the construction of the power supply and water supply tunnels. Comprehensively considering, the shield working well generally only meets the requirement that a shield host machine is put into the well, a shield rear matched trailer is placed on the ground, and the shield host machine which is put into the well is connected with the shield rear matched trailer through an extended connecting pipeline. The total length of the ground part, the part extending into the working well and the part extending to the shield host (meeting the requirement of the rear matching connection length distance) of the connecting pipelines is more than 150 meters, and the number of each connecting pipeline is more than 100.

The connecting pipelines with the large number and the long length need to be placed on the ground of the working well, extend to the working well and then are placed in the working well, and follow-up is carried out synchronously along with forward propulsion of the shield main machine. The connecting pipeline is long and self-weight, the connecting pipeline also comprises oil, water and other media, the depth of the working well is generally more than 20 meters, the connecting pipeline automatically slides down in the working well under the action of gravity easily and is difficult to control, the connecting pipeline is easy to be disordered, rotated and wound, and leakage points are difficult to find when the connecting pipeline leaks (the leakage of the oil, water and other media), so that the construction progress is influenced.

Disclosure of Invention

In order to overcome the defects in the prior art, a supporting device for a shield connecting pipeline and a control method for the connecting pipeline are provided so as to solve the problem that the connecting pipeline between a shield host and a rear matched trailer which is not put into a well is difficult to control after the shield host is put into the well.

To achieve the above object, there is provided a supporting apparatus for a shield connecting line, comprising:

the base is arranged at the upper port of the shield working well;

the portal frame comprises two upright columns and a cross beam, the two upright columns are respectively vertically arranged on two opposite sides of the base, and the cross beam is connected with the two upright columns;

the first rolling shafts are rotatably arranged on the two upright columns and arranged below the cross beam, and a guide space for the connection pipeline to penetrate is formed between the first rolling shafts and the cross beam;

the second roller is used for placing the connecting pipeline, and the second roller and the first roller are arranged in the same direction; and

the binding belt is used for being movably sleeved on the connecting pipeline and is arranged on the beam in a lifting mode.

Furthermore, an inclined strut is obliquely connected between the upright post and the base.

Further, the first roller is rotatably mounted to the sprag.

Further, the first roller is located above the second roller.

Furthermore, the bracing sets firmly first otic placode, first shaft hole has been seted up to first otic placode, first roller bearing rotationally wears to locate in the first shaft hole.

Further, chain block is installed to the crossbeam, the band connect in chain block.

Furthermore, the chain block is arranged on one side of the cross beam facing the second roller.

Furthermore, a second lug plate is vertically arranged on the base, a second shaft hole is formed in the second lug plate, and the second roller is rotatably arranged in the second shaft hole in a penetrating mode.

The invention provides a control method of a connecting pipeline, which comprises the following steps:

mounting a base at an upper port of shield work, so that a guide space is aligned with the upper port;

sequentially penetrating the middle part of a connecting pipeline into the guide space and the binding belt, placing the connecting pipeline on a first rolling shaft and a second rolling shaft, extending the first end of the connecting pipeline into the working well and connecting the first end of the connecting pipeline to a shield host, and connecting the second end of the connecting pipeline to a shield matching trailer arranged outside the shield working well;

the shield machine advances forward, and simultaneously the band descends so that the middle part of connecting line rests on first roller bearing and the second roller bearing, makes the shield machine pull forward the connecting line, when the shield machine is in non-advancing state, the band rises in order to lift upward the connecting line, avoids the connecting line slide down in the working well.

The supporting device of the shield connecting pipeline is arranged at the edge of the upper port of the shield working well, the guide space is aligned with the upper port of the shield working well, the connecting pipeline is connected to the shield matching trailer, penetrates through the guide space and the bridle and is respectively placed on the first roller and the second roller, and then the connecting pipeline extends to the bottom plate of the working well and is connected to the main machine of the shield machine. Under the effect of its self action of gravity and with the rolling friction power of first roller bearing, second roller bearing, on the one hand, can avoid connecting line dry friction to damage, on the other hand, the band of liftable can be binded with connecting tube classification and be connected, can prevent that connecting line from gliding down and gliding down too fast under the action of gravity, realizes connecting line's gliding accuse is fast. In addition, along with shield structure host computer impel forward, every impel a distance after, release the connecting line once in order through the band, avoid connecting line intertwine, knot, even if the connecting line leakage appears also can seek fast and implement the maintenance, realize protecting the connecting line and manage and control the connecting line in order.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

fig. 1 is a schematic structural view of a supporting apparatus for a shield connecting line according to an embodiment of the present invention.

Fig. 2 is a schematic view of a supporting device for a shield connecting line according to an embodiment of the present invention in use.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Fig. 1 is a schematic structural view of a support device for a shield connection line according to an embodiment of the present invention, and fig. 2 is a schematic usage view of the support device for the shield connection line according to the embodiment of the present invention.

Referring to fig. 1 and 2, the present invention provides a supporting apparatus for a shield connecting line, including: the device comprises a base 1, a portal frame 2, a first rolling shaft 3, a second rolling shaft 4 and a binding belt 5.

Wherein, the base 1 is arranged at the upper port of the shield working well 6.

The gantry 2 comprises two uprights 21 and a cross-beam 22.

Specifically, two upright posts 21 are respectively erected on two opposite sides of the base 1. The cross beam 22 is connected to the two uprights 21.

The first rollers 3 are rotatably mounted on the two columns 21 and are disposed below the cross beam 22, and a guide space for the connecting pipeline 7 to pass through is formed between the first rollers 3 and the cross beam 22. The first roller 3 is used for resting the connecting line 7.

The second roller 4 is arranged in the same direction as the first roller 3 and is positioned below the first roller. The second roller 4 is for the connecting line 7 to rest on.

The belt 5 is used for movably sleeving the connecting pipeline 7. The belt 5 is installed to the cross member 22 so as to be movable up and down.

The supporting device of the shield connecting pipeline is arranged at the edge of an upper port of a shield working well, a guide space is aligned with the upper port of the shield working well, the connecting pipeline penetrates through the guide space and a binding belt after being connected to a shield matching trailer and is respectively placed on a first roller and a second roller, and then the connecting pipeline extends to a bottom plate of the working well and is connected to a main machine of the shield machine. Under the effect of its self action of gravity and with the rolling friction power of first roller bearing, second roller bearing, on the one hand, can avoid connecting line dry friction to damage, on the other hand, the band of liftable can be binded with connecting tube classification and be connected, can prevent that connecting line from gliding down and gliding down too fast under the action of gravity, realizes connecting line's gliding accuse is fast. In addition, along with shield structure host computer impel forward, every impel a distance after, release the connecting line once in order through the band, avoid connecting line intertwine, knot, even if the connecting line leakage appears also can seek fast and implement the maintenance, realize protecting the connecting line and manage and control the connecting line in order.

The supporting device for the shield connecting pipeline lifts the connecting pipeline by the ascending and the tightening of the bridle, so that the connecting pipeline is prevented from sliding down to the shield working well; and descending the bridle and releasing the connecting pipeline so as to sequentially lower the connecting pipeline to the bottom of the shield working well under the traction of the shield main machine.

In this embodiment, the base and the portal frame are both made of section steel.

The base is a rectangular steel frame. The base can conditionally be mounted at the wellhead of the shield working well through bolts.

In a preferred embodiment, two vertical posts 21 are connected to the base 1 with diagonal braces 211.

Specifically, one side of the stand column close to the shield working well and the other side of the stand column far away from the shield working well are respectively connected with an inclined strut.

In this embodiment, a support column is further connected between the middle portion of the cross beam and the base. And one side of the support close to the shield working well and the other side of the support far away from the shield working well are respectively connected with an inclined strut.

In the present embodiment, the first roller 3 is rotatably mounted on a plurality of sprags 211.

Specifically, the inclined strut 211 is fixedly provided with a first ear plate 212. The first ear plate 212 has a first axial hole. The first roller 3 is rotatably arranged in the first shaft holes of the inclined struts in a penetrating way.

In some embodiments, the first roller is mounted in the first axle bore by a bearing.

In this embodiment, the cross beam 22 is provided with a chain block 51, and the strap 5 is connected to the chain block 51. The chain block 51 is disposed on a side of the cross beam 22 facing the second roller 4.

Specifically, a connecting lug plate is installed on one side of the cross beam 22 facing the second roller 4, and the chain block is hung on the connecting lug plate.

As a preferred embodiment, a second ear plate 11 is erected on the base 1. The second ear plate 11 is provided with a second shaft hole. The second roller 4 is rotatably disposed through the second shaft hole.

In some embodiments, the second roller is mounted in the second shaft bore by a bearing.

The invention provides a control method of a connecting pipeline 7, which comprises the following steps:

s1: the base 1 is installed at the upper port of the shield work so that the guide space is aligned with the upper port.

S2: the middle part of the connecting pipeline 7 is sequentially arranged in the guide space and the belt 5 in a penetrating mode and is placed on the first roller 3 and the second roller 4, then the first end of the connecting pipeline 7 extends into the working well 6 and is connected to the shield host, and the second end of the connecting pipeline 7 is connected to a shield matching trailer arranged outside the shield working well 6.

S3: the shield main machine is pushed forward, meanwhile, the belt 5 descends and unbinds to release the connecting pipeline, so that the middle part of the connecting pipeline 7 is placed on the first roller 3 and the second roller 4, the shield main machine pulls the connecting pipeline 7 forward to be placed downwards in the shield working well, and when the shield main machine is in a non-pushing state, the belt 5 ascends and tightens the connecting pipeline to lift the connecting pipeline 7 upwards, and the connecting pipeline 7 is prevented from sliding downwards into the working well 6.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.