CN214532958U - Flexible starting sleeve structure for mechanical method communication channel starting tunnel portal - Google Patents
Flexible starting sleeve structure for mechanical method communication channel starting tunnel portal Download PDFInfo
- Publication number
- CN214532958U CN214532958U CN202120159517.0U CN202120159517U CN214532958U CN 214532958 U CN214532958 U CN 214532958U CN 202120159517 U CN202120159517 U CN 202120159517U CN 214532958 U CN214532958 U CN 214532958U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- annular
- starting
- flexible
- steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a flexible starting sleeve structure of a mechanical contact channel starting tunnel portal, which comprises a starting steel sleeve, a transverse stiffening rib and a longitudinal stiffening rib which are arranged outside the starting steel sleeve, and a flexible annular sleeve arranged at the front end of the starting steel sleeve; the rear end of the flexible annular sleeve is connected with a starting steel sleeve through a bolt, and the front end of the flexible annular sleeve is connected with the main tunnel segment through a bolt and an annular flange plate. The utility model discloses a set up flexible annular sleeve at steel sleeve front end of originating, can avoid in the contact passageway work progress because the butt joint that construction influence, machining precision, various deformation, measuring error etc. arouse does not match the problem, can also adjust the telescopic installation angle of originating, improve the adaptability to the gesture of originating such as shield structure machine or push bench, improve convenience, adaptability, the security of construction to effectively improve the efficiency of construction.
Description
Technical Field
The utility model relates to a tunnel construction equipment field, specifically speaking relates to a mechanical method contact passageway is originated portal flexibility and is originated sleeve structure.
Background
The communication channel is a single channel designed to connect two tunnels. If one tunnel has sudden problems, such as drainage and the condition that operation equipment stops operating due to faults, pedestrians can be transferred to the other tunnel through the connecting channel, so that rapid escape and rescue can be realized.
According to the current subway design specification (GB50157-2013) in China, a communication channel is arranged between two single-line interval tunnels when the coherent length of the tunnels is more than 600 m. Along with the economic development of China, the mileage of subways is continuously increased, and the number of contact channels is increased. At present, most of the construction of water-rich stratum communication channels adopts a freezing construction method, the construction period of the method is long, the risk is high, and the surrounding environment can be damaged by repeated freezing and thawing of soil layers. Therefore, the mechanical method of connecting the channel excavation is expected.
The contact channel constructed by the shield method and the pipe jacking method starts experimental exploration, the traditional rigid originating sleeve is suitable for the arrangement that the contact channel is vertical to or close to the main tunnel, and the construction difficulty in the installation process is large due to the rigid structure of the traditional originating steel sleeve and the rigid connection with the main tunnel; and the adaptability to different tunnel environments is poor, such as the unparallel of two tunnels which need to be connected through a communication channel or the large difference of the elevation of the two tunnels at the connection part, and the like, so that the innovative flexible sleeve is very necessary to increase the wide adaptability of the mechanical method communication channel construction method.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a mechanical method contact passageway is originated portal flexibility and is originated sleeve structure for because the unmatched problem of butt joint that construction influence, machining precision, various deformation, measuring error etc. arouse when originating portal department installation traditional rigidity sleeve in solving actual construction.
The utility model discloses technical scheme as follows:
a flexible starting sleeve structure of a mechanical communication channel starting tunnel portal comprises a starting steel sleeve, a transverse stiffening rib and a longitudinal stiffening rib, wherein the transverse stiffening rib and the longitudinal stiffening rib are arranged outside the starting steel sleeve; the device is characterized by also comprising a flexible annular sleeve arranged at the front end of the starting steel sleeve;
the rear end of the flexible annular sleeve is connected with the starting steel sleeve through a bolt, and the front end of the flexible annular sleeve is connected with the main tunnel segment through a bolt and an annular flange plate;
the flexible annular sleeve is formed by splicing one section or a plurality of sections of annular sleeve sections, two sides of each annular sleeve section are respectively provided with an annular mounting wing, each annular mounting wing is provided with a plurality of bolt holes matched with the bolts, and the adjacent annular sleeve sections are connected and fixed through a connecting sleeve;
and two to three circumferential sealing brushes are arranged at the position of the starting steel sleeve, which is circumferentially close to the portal.
Furthermore, the connection kit includes two ring-shaped pressing plates, a steel ring connecting plate and a bolt penetrating the ring-shaped pressing plate, the ring-shaped mounting wing and the steel ring connecting plate, and the ring-shaped pressing plate, the ring-shaped mounting wing and the steel ring connecting plate are all provided with bolt holes matched with the bolt.
Furthermore, the annular flange plate is formed by splicing a plurality of arc-shaped flange plate sections, and a plurality of concave bolt openings arranged along the circumferential direction are formed in the annular flange plate.
Furthermore, an annular pressing plate is also arranged on a combining surface of the flexible annular sleeve and the bolt.
Furthermore, an annular steel plate is arranged on the inner side of the main tunnel segment along the edge of the starting tunnel door, and the annular flange plate is welded on the annular steel plate.
Furthermore, the front end of the flexible annular sleeve is fixedly connected with the annular flange plate through bolts and an annular pressure plate.
Further, the flexible annular sleeve is made of rubber or other flexible materials.
Furthermore, the starting steel sleeve is formed by assembling an upper semicircular steel cylinder body and a lower semicircular steel cylinder body, and the two semicircular steel cylinder bodies are connected through a connecting bolt.
Compared with the prior art, the beneficial effects of the utility model are that: the flexible annular sleeve is arranged at the front end of the starting steel sleeve, and the flexible annular sleeve has certain flexibility, so that the problem of butt joint mismatching caused by construction influence, machining precision, various deformations, measurement errors and the like when the traditional rigid sleeve is installed in actual construction can be avoided, the installation difficulty is reduced, the construction efficiency is improved, and the construction period is saved; the flexible sleeve has certain flexibility, so that the installation angle of the starting sleeve can be adjusted, the adaptability to starting postures of a shield machine or a pipe push bench and the like is improved, the convenience and the safety of construction are improved, the major engineering risk and the engineering loss caused by the damage of the main tunnel segment are avoided, and the construction efficiency is effectively improved.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the embodiments, and it is obvious that the described embodiments are some embodiments, not all embodiments of the present invention.
Drawings
Fig. 1 is a schematic view of the overall structure of the flexible starting sleeve of the present invention.
Fig. 2 is a front view of the flexible starting sleeve structure of the present invention.
Fig. 3 is a sectional view of the flexible starting sleeve structure of the present invention.
Fig. 4 is the schematic diagram of the structure of the annular flange plate of the present invention.
Fig. 5 is a schematic view of the structure of the flexible annular sleeve of the present invention.
Fig. 6 is a schematic structural diagram of the ring casing segment according to the present invention.
Fig. 7 is a schematic view of the structure of the connection kit of the present invention.
FIG. 8 is a schematic view of the steel ring connecting plate of the present invention.
Description of reference numerals:
1-starting a steel sleeve; 2-annular sealing brush; 3-a flexible annular sleeve;
4-an annular flange plate; 5-transverse stiffeners; 6-longitudinal stiffening ribs;
7-a primary tunnel segment; 8-connecting bolts; 10-bolt;
11-an annular platen; 12-an arcuate flange plate segment; 13-concave bolt port;
14-ring-shaped steel plate; 15-bolt holes; 16-ring-shaped mounting wings;
17-a connection kit; 18-steel circular ring connection plate; 19-annular sleeve segment.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1-8, the utility model discloses a mechanical method communication channel is originated flexible sleeve structure that originates of portal, including originating steel sleeve 1, set up in originating steel sleeve 1 outside horizontal stiffening rib 5 and vertical stiffening rib 6, set up in the flexible ring sleeve 3 of originating steel sleeve 1 front end. The rear end of the flexible annular sleeve 3 is connected with the starting steel sleeve 1 through a bolt, and the front end of the flexible annular sleeve is connected with the main tunnel segment 7 through a bolt 10 and an annular flange plate 4. The flexible annular sleeve 3 is formed by splicing one section or a plurality of sections of annular sleeve segments 19, two sides of each annular sleeve segment 19 are respectively provided with an annular mounting wing 16, the annular mounting wings 16 are provided with a plurality of bolt holes 15, and the adjacent annular sleeve segments 19 are connected and fixed through a connecting sleeve member 17.
As shown in fig. 7, the connection kit 17 includes two annular pressing plates 11, a steel annular connection plate 18, and bolts penetrating the annular pressing plates 11, the annular mounting wings 16, and the steel annular connection plate 18. The annular pressure plate 11 and the steel ring connecting plate 18 are both provided with bolt holes 15 matched with bolts. During assembly, the steel circular ring connecting plate 18 is arranged between the annular mounting wings 16 on the two adjacent sections of the annular sleeve sections 19, the two annular pressing plates 11 are respectively arranged on the outer sides of the annular mounting wings 16 on the two adjacent sections of the annular sleeve sections 19, and finally the two annular pressing plates are connected and fixed in a penetrating manner through bolts.
The annular flange plate 4 is formed by splicing a plurality of arc-shaped flange plate segments 12, and a plurality of concave bolt openings 13 which are arranged along the circumferential direction are arranged on the surface of the annular flange plate 4. The concave bolt openings 13 are arranged to facilitate the connection and fixation of bolts and flange plates.
The joint surface of the flexible annular sleeve 3 and the bolt 10 is also provided with an annular pressure plate 11. The annular pressure plate 11 is arranged, so that the annular connection of the flexible annular sleeve 3 is firmer and more reliable, and the connection part is ensured to achieve the sealing effect.
An annular steel plate 14 is arranged on the inner side of the main tunnel segment 7 along the edge of the starting tunnel door, the annular steel plate 14 is welded on the main tunnel segment 7, and the annular flange plate 4 is welded on the annular steel plate 14. The front end of the flexible annular sleeve 3 is fixedly connected with the annular flange plate 4 through bolts 10 and an annular pressure plate 11.
The flexible material of the flexible annular sleeve 3 is rubber material or other flexible material, and meets the corresponding strength requirement and other performance requirements suitable for the working environment thereof.
The starting steel sleeve 1 is formed by assembling an upper semicircular steel cylinder body and a lower semicircular steel cylinder body, the two semicircular steel cylinder bodies are connected through a connecting bolt, and two to three annular sealing brushes 2 are arranged at the position, close to a tunnel door, of the starting steel sleeve 1 in the annular direction. Through setting up two to three ring seal brush 2, can prevent that groundwater from gushing into main tunnel in the stratum, improve overall structure leakproofness.
The utility model discloses a structure is applicable to that entry driving device is push bench or shield structure machine. In actual construction, firstly, an upper semicircular steel cylinder body and a lower semicircular steel cylinder body are spliced by using a connecting bolt 8 in a main tunnel working well, and then fixed at the rear part of the spliced flexible annular sleeve 3 by using a bolt and an annular pressing plate 11. And (5) conveying the whole assembly structure to the originating tunnel portal of the communication channel by using a trolley. The annular steel plate 14 is welded in the annular direction at the position of the communication channel portal to serve as a fixed support, the annular flange plate 4 is welded on the annular steel plate 4, the bolt 10 is embedded into the annular flange plate 4 through the concave bolt hole 13, the bolt rod penetrates into the flexible annular sleeve 3 and the annular pressing plate 11 which are provided with the bolt holes, and the bolt 10 is screwed up and firmly connected.
The utility model has the advantages that: the flexible annular sleeve is arranged at the front end of the starting steel sleeve, and the flexible sleeve has certain flexibility, so that the problem of butt joint mismatching caused by construction influence, machining precision, various deformations, measurement errors and the like when the traditional rigid sleeve is installed in actual construction can be avoided, the installation difficulty is reduced, the construction efficiency is improved, and the construction period is saved; the flexible sleeve has certain flexibility, so that the installation angle of the starting sleeve can be adjusted, the adaptability to starting postures of a shield machine or a pipe push bench and the like is improved, the flexible sleeve can be disconnected from the flexible structure and conveniently restored to an original connection state, and the safety state of the starting opening can be checked very necessarily, so that the convenience, the adaptability and the safety of construction are improved, the great engineering risk and the engineering loss caused by the damage of the main tunnel segment are avoided, and the construction efficiency is effectively improved.
The present invention is not limited to the above specific embodiments, and for those skilled in the art, the above conception can be used without any creative work, and all the changes made fall within the protection scope of the present invention.
Claims (8)
1. A flexible starting sleeve structure of a mechanical communication channel starting tunnel portal comprises a starting steel sleeve, a transverse stiffening rib and a longitudinal stiffening rib, wherein the transverse stiffening rib and the longitudinal stiffening rib are arranged outside the starting steel sleeve; the device is characterized by also comprising a flexible annular sleeve arranged at the front end of the starting steel sleeve;
the rear end of the flexible annular sleeve is connected with the starting steel sleeve through a bolt, and the front end of the flexible annular sleeve is connected with the main tunnel segment through a bolt and an annular flange plate;
the flexible annular sleeve is formed by splicing one section or a plurality of sections of annular sleeve sections, two sides of each annular sleeve section are respectively provided with an annular mounting wing, each annular mounting wing is provided with a plurality of bolt holes, and the adjacent annular sleeve sections are connected and fixed through a connecting sleeve;
and two to three circumferential sealing brushes are arranged at the position of the starting steel sleeve, which is circumferentially close to the portal.
2. The mechanical communication channel starting tunnel door flexible starting sleeve structure as claimed in claim 1, wherein the connecting kit comprises two annular pressing plates, a steel ring connecting plate and bolts penetrating the annular pressing plates, the annular mounting wings and the steel ring connecting plate, and bolt holes matched with the bolts are formed in the annular pressing plates and the steel ring connecting plate.
3. The mechanical communication channel starting tunnel door flexible starting sleeve structure as claimed in claim 1, wherein said annular flange plate is formed by splicing a plurality of arc-shaped flange plate segments, and a plurality of concave bolt openings are formed in the surface of said annular flange plate along the circumferential direction.
4. The mechanical communication channel starting hole flexible starting sleeve structure as claimed in claim 1, wherein an annular pressing plate is arranged on the fastening surface of the flexible annular sleeve and the bolt.
5. The mechanical communication passage starting tunnel portal flexible starting sleeve structure as claimed in claim 1, wherein an annular steel plate is provided along the starting tunnel portal edge inside said main tunnel segment, and said annular flange plate is welded to said annular steel plate.
6. The mechanical communication channel origination hole door flexible origination sleeve structure of claim 5, wherein said flexible annular sleeve front end is fixedly connected to said annular flange plate by bolts and an annular pressure plate.
7. The mechanical communication passage originating portal flexible originating sleeve structure of claim 1, wherein said flexible annular sleeve is made of rubber.
8. The flexible starting sleeve structure for the mechanical communication channel starting tunnel portal according to claim 1, wherein the starting steel sleeve is formed by assembling an upper semicircular steel cylinder body and a lower semicircular steel cylinder body, and the two semicircular steel cylinder bodies are connected by a connecting bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120159517.0U CN214532958U (en) | 2021-01-21 | 2021-01-21 | Flexible starting sleeve structure for mechanical method communication channel starting tunnel portal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120159517.0U CN214532958U (en) | 2021-01-21 | 2021-01-21 | Flexible starting sleeve structure for mechanical method communication channel starting tunnel portal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214532958U true CN214532958U (en) | 2021-10-29 |
Family
ID=78311593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120159517.0U Active CN214532958U (en) | 2021-01-21 | 2021-01-21 | Flexible starting sleeve structure for mechanical method communication channel starting tunnel portal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214532958U (en) |
-
2021
- 2021-01-21 CN CN202120159517.0U patent/CN214532958U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112746852A (en) | Tunneling equipment and method for tunnel communication channel by means of flexible sleeve initial receiving | |
| CN112879022A (en) | Tunneling method of tunneling equipment for tunnel communication channel by means of flexible sleeve system | |
| KR100964205B1 (en) | Lining segment for tunnel | |
| CN214532958U (en) | Flexible starting sleeve structure for mechanical method communication channel starting tunnel portal | |
| CN107178374B (en) | Auxiliary supporting structure and front shield assembly of double-shield full-face rock tunnel boring machine | |
| CN214532959U (en) | Flexible bearing sleeve structure for mechanical method communication channel receiving portal | |
| CN212428697U (en) | Coiled tubing well head blowout preventer | |
| CN218030191U (en) | Transition ring, flexible connection sealing device and shield originating receiving system | |
| CN217055188U (en) | Starting receiving device for shield construction | |
| CN210661351U (en) | Air-filled sealing protective air bag of shield machine | |
| CN216305926U (en) | Pipeline normal position replacement tunneling device | |
| CN207420575U (en) | A kind of shield launching steel bushing for being equipped with antipriming | |
| CN212583694U (en) | Shield tail sealing system of shield machine | |
| CN209795604U (en) | Connecting piece of telescopic platform assembled on frame | |
| CN214532964U (en) | Tunnel communication channel tunneling equipment with flexible sleeve for initial receiving | |
| CN210195812U (en) | Drainage device in coal mine goaf | |
| CN220551494U (en) | Water stop device of push bench | |
| CN112228088A (en) | Construction method of vertical shaft starting device for top-down pipe jacking construction in shield tunnel | |
| CN208441834U (en) | A kind of rectangular top pipe reception sleeve arrangement | |
| CN107558512B (en) | All-round multi-functional tunnelling arm | |
| CN217151939U (en) | Quick connecting device for portal steel ring and steel sleeve | |
| CN212803233U (en) | Shield constructs quick-witted steel sleeve seal structure | |
| CN219316966U (en) | Steel pipe sheet for TBM construction support cyclic utilization of coal mine tunnel | |
| CN220894085U (en) | Impervious detection device of concrete lining segment | |
| CN213063570U (en) | Originating sealing device for pipe jacking method communication channel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |