CN214532964U - Tunnel communication channel tunneling equipment with flexible sleeve for initial receiving - Google Patents
Tunnel communication channel tunneling equipment with flexible sleeve for initial receiving Download PDFInfo
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- CN214532964U CN214532964U CN202120159524.0U CN202120159524U CN214532964U CN 214532964 U CN214532964 U CN 214532964U CN 202120159524 U CN202120159524 U CN 202120159524U CN 214532964 U CN214532964 U CN 214532964U
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Abstract
The utility model discloses a tunneling device for tunnel communication channel with the help of flexible sleeve initial receiving, which comprises a tunneling device, a supporting trolley, a flexible initial sleeve system, a flexible receiving sleeve system and a moving device; the moving device is arranged on the supporting trolley, supports the flexible starting sleeve system and the tunneling device and is used for enabling the flexible starting sleeve system and the tunneling device to move back and forth along the starting axis direction of the communication channel; the flexible originating sleeve system and the flexible receiving sleeve system connect the primary tunnel segments of the originating side and the receiving side, respectively. The utility model discloses equipment of the same kind and method than present have strong adaptability, the efficiency of construction is high, construction risk advantage such as controllable completely.
Description
Technical Field
The utility model relates to a tunnel construction equipment field, specifically speaking relates to a tunnel contact tunnel tunnelling with the help of flexible sleeve originated receipt is equipped.
Background
The tunnel connection channel is a 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. Taking the situation of urban rail transit tunnel connection channels as an example, the specification of subway design (GB50157-2013) states that "two single-line interval tunnels should be provided with connection channels, and the distance between two adjacent connection channels should not be more than 600 m". At present, the total mileage of planning and constructing subways in a plurality of cities in China is nearly 8000km, and the number of contact channels to be constructed is large according to the design specification of the subways.
The traditional contact channel construction method mainly comprises a freezing method, a mining method and the like, more safety accidents occur in the construction process, and the industry begins to explore the purely mechanical shield method/pipe-jacking method construction contact channel.
At present, a contact channel constructed by a pure mechanical shield method or a pipe jacking method is still in a starting stage, related technologies are not complete, and the following defects exist: (1) the traditional rigid sleeve has the problems of butt joint mismatching caused by the influence of the construction process, the machining precision, various deformations and measurement errors, is difficult to install and connect and influences the working efficiency; (2) when the main tunnel segment at the tunnel portal is cut by the cutter head, the cutter head directly cuts the main tunnel segment and is easy to deviate from a tunneling axis, the cutting efficiency is low, the time consumption is long, and the ground settlement amount in a receiving stage is large; (3) in the construction process, if accidents occur at the portal, the working face is urgently required to be exposed for treatment, and the sleeve is difficult to disassemble after the sealed rigid sleeve is installed.
In conclusion, a tunneling device and a related construction technology which are stronger in adaptability, easier to implement, better in safety and higher in tunneling efficiency are urgently needed in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a tunnel contact passage tunnelling with the help of flexible sleeve originated receipt is equipped and method to overcome above-mentioned technical defect.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a tunnel contact passageway tunnelling is equipped with the help of flexible sleeve is originated and is received, includes tunnelling device and support platform truck, tunnelling device is equipped with blade disc, cutting beaded finish, propulsion connecting rod, the cutting beaded finish thrust cylinder of taking telescopic spoke, its characterized in that: also included are a flexible originating sleeve system, a flexible receiving sleeve system, and a movement device; the moving device is arranged on the supporting trolley, a flexible starting sleeve system and a tunneling device wrapped in the flexible starting sleeve are supported on the moving device, and the moving device is used for enabling the flexible starting sleeve system and the tunneling device wrapped in the flexible starting sleeve to move back and forth along the starting axis direction of the communication channel; the flexible originating sleeve system is connected to the primary tunnel segment by a first flexible annular sleeve at its forward end and the flexible receiving sleeve system is connected to the primary tunnel segment by a second flexible annular sleeve at its forward end.
Further, the flexible starting sleeve system also comprises a starting steel sleeve, the rear end of the first flexible annular sleeve is connected with the starting steel sleeve through bolts, and the front end of the first flexible annular sleeve is connected with the main tunnel segment through bolts and a first annular flange plate.
Further, the flexible receiving sleeve system further comprises a receiving steel sleeve and an end seal plate; the end sealing plate is arranged at the rear part of the receiving steel sleeve, and the second flexible annular sleeve is arranged at the front end of the receiving steel sleeve; the rear end of the second flexible annular sleeve is connected with the receiving steel sleeve through bolts, and the front end of the second flexible annular sleeve is connected with the main tunnel segment through bolts and a second annular flange plate.
Further, the first flexible annular sleeve and the second flexible annular sleeve are made of rubber or other flexible materials.
Further, the tunneling device is a shield tunneling machine or a pipe jacking machine.
Furthermore, first flexible annular sleeve and the flexible annular sleeve of second form by one section or the concatenation of a plurality of sections annular sleeve subsection, annular sleeve subsection both sides respectively are provided with an annular installation wing, be equipped with a plurality of bolt holes on the annular installation wing, adjacent connect fixedly through connecting the external member between the annular sleeve subsection.
Furthermore, the connection kit includes two ring-shaped pressing plates, a steel ring connecting plate, and runs through the bolt that sets up in ring-shaped pressing plate, annular installation wing and steel ring connecting plate, all correspond on ring-shaped pressing plate and the steel ring connecting plate and be equipped with bolt assorted bolt hole.
Compared with the prior art, the utility model discloses following technological effect has:
(1) compared with the traditional rigid sleeve, the flexible sleeve system has better adaptability to the field installation environment condition and is easier to install and connect; the flexible sleeve system can be properly adjusted according to the angle of the heading machine during initial receiving, the adaptability of the entrance and exit portal is improved, the problem of butt joint mismatching caused by the influence of the construction process, the processing precision, various deformations and measurement errors during the initial receiving and the receiving of the actual construction sleeve is avoided, and the damage of the main tunnel segment of the portal is avoided.
(2) The utility model discloses a cutting beaded finish cuts the main tunnel section of jurisdiction more easily starting with receiving stage cutting tunnel portal section of jurisdiction, can not skew the tunnelling axis, and cutting efficiency is better, and the time limit for a project more saves controllably, reduces the disturbance to the receiving end soil layer, reduces the receiving terminal earth's surface and subsides.
(3) The flexible annular sleeve in the flexible sleeve system of the utility model is convenient to open and reinstall; this configuration enables removal of the primary tunnel segment cut at the time of origination, as compared to a rigid origination sleeve.
The above 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 device of the present invention.
Fig. 2 is a schematic view of the structure of the starting cutting segment of the present invention.
Fig. 3 is the utility model discloses the tunnelling is equipped to carry the section of jurisdiction and is withdrawed from the schematic diagram.
Fig. 4 is the receiving schematic diagram of the heading equipment of the present invention.
Fig. 5 is a schematic view of a flexible originating sleeve system according to the present invention.
Fig. 6 is a schematic structural view of the flexible receiving sleeve system of the present invention.
Fig. 7 is the utility model discloses tunnelling is equipped blade disc structure sketch map.
Fig. 8 is a schematic structural view of the first and second flexible annular sleeves of the present invention.
FIG. 9 is a schematic view of the steel ring connecting plate of the present invention.
Reference numerals:
1-a cutter head; 2-telescopic spokes; 3-cutting a reinforcing ring;
4-pushing the connecting rod; 5-cutting the reinforcing ring propulsion oil cylinder; 6-supporting the trolley;
7-reinforcing body; 8-a flexible originating sleeve system; 9-a first annular flange plate;
10-a first flexible annular sleeve; 11-originating the steel casing; 12-a wire brush;
13-a primary tunnel segment; 14-a primary tunnel segment; 15-a flexible receiving sleeve system;
16-a second annular flange plate; 17-a second flexible annular sleeve; 18-receiving a steel sleeve;
19-end sealing plate; 20-a mobile device; 21-main tunnel segment
22-an annular sleeve segment; 23-annular mounting wings; 24-a connection kit;
25-an annular platen; 26-steel ring connection plate.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1-7, the embodiment of the present invention discloses a tunneling device for tunneling a tunnel communicating passageway by means of flexible sleeve originating reception, comprising a tunneling device, a supporting trolley 6, a flexible originating sleeve system 8, a flexible receiving sleeve system 15 and a moving device 20.
The tunneling device is provided with a cutter head 1 with telescopic spokes 2, a cutting reinforcing ring 3, a propelling connecting rod 4 and a cutting reinforcing ring propelling oil cylinder 5. The flexible starting sleeve system 8 comprises a starting steel sleeve 11 and a first flexible annular sleeve 10 arranged at the front end of the starting steel sleeve 11. The rear end of the first flexible annular sleeve 10 is connected with a starting steel sleeve 11 through a bolt, the front end of the first flexible annular sleeve is connected with a first annular flange plate 9 through a bolt, and the front end of the first annular flange plate 9 is connected with a main tunnel segment 21 through an annular steel plate. The flexible receiving sleeve system 15 comprises a receiving steel sleeve 18, an end closure plate 19 arranged at the rear of the receiving steel sleeve 18, and a second flexible annular sleeve 17 arranged at the front end of the receiving steel sleeve 18. The rear end of the second flexible annular sleeve 17 is connected with the receiving steel sleeve 18 through bolts, the front end of the second flexible annular sleeve is connected with the second annular flange plate 16 through bolts, and the front end of the second annular flange plate 16 is connected with the main tunnel segment 21 through an annular steel plate.
The first flexible annular sleeve 10 and the second flexible annular sleeve 17 are made of rubber or other flexible materials. As shown in fig. 8 and 9, each of the first flexible annular sleeve 10 and the second flexible annular sleeve 17 is formed by splicing one or more annular sleeve segments 22, two annular mounting wings 23 are respectively disposed on two sides of each of the annular sleeve segments 22, a plurality of bolt holes are disposed on each of the annular mounting wings 23, and adjacent annular sleeve segments 22 are connected and fixed through a connecting sleeve 24. The connecting kit 24 comprises two annular pressing plates 25, a steel ring connecting plate 26 and bolts penetrating through the annular pressing plates 25, the annular mounting wings 23 and the steel ring connecting plate 26, and bolt holes matched with the bolts are correspondingly arranged on the annular pressing plates 25 and the steel ring connecting plate 26.
The moving means 20 is mounted on the support trolley 6 on which the flexible starting sleeve system 8 and the ripping apparatus encased in the flexible starting sleeve system 8 are supported, the moving means 20 being capable of moving the flexible starting sleeve system 8 and the ripping apparatus encased in the flexible starting sleeve system 8 back and forth in the direction of the starting axis of the communication passage.
Wherein the tunneling device is a shield machine or a pipe jacking machine with a cutting reinforcing ring 3. The cutter head 1 comprises a cutter head capable of cutting soil and telescopic spokes 2, when the telescopic spokes 2 extend out, the cutter head 1 is in a normal cutting state, and the excavation diameter is slightly larger than the diameter of the shield body; when the telescopic spokes 2 are retracted, the diameter of the cutter head 1 is smaller than the inner diameter of the cutting reinforcing ring 3. The cutting reinforcing ring 3 comprises a circular cylinder body and a stretching and recovering system of the cylinder body, and a cutter is arranged at the front end of the cutting reinforcing ring 3. When the telescopic spokes 2 of the cutter head 1 retract, the cutting reinforcing ring 3 can smoothly extend to the front end of the cutter head 1 for a certain length. When the cutter head 1 is in a normal cutting state, the telescopic spokes 2 are in an extending state; when the telescopic spokes 2 retract, the cutting reinforcing ring 3 extends out, and the main tunnel segment at the front end of the main tunnel segment is cut by utilizing the rotation of the cutter head 1 to drive the cutting reinforcing ring 3 to rotate. The main tunnel segment is a reinforced concrete segment or a glass fiber reinforced plastic segment or a reinforced concrete composite segment.
The utility model discloses method that tunnelling equipment was under construction includes following construction steps:
s1, construction preparation: and (3) reinforcing the starting tunnel portal outside the starting tunnel portal before construction, detecting a reinforcing body 7, installing a horizontal transportation rail, installing water and electricity, welding a steel-concrete pipe piece joint at the tunnel portal, installing a tunnel portal ring and the like.
S2, equipment installation and debugging: hoisting, transporting and tunneling equipment, matching equipment and materials, and positioning, assembling and debugging.
S3, cutting a main tunnel segment at the starting tunnel portal: after the equipment is installed and debugged, the tunneling device starts to generate a hole, the main tunnel segment 13 at the starting tunnel portal is cut by the cutter head 1 to work, the cutting reinforcing ring 3 is extended out by the tunneling device, the cutter head 1 rotates to drive the cutting reinforcing ring 3 to rotate, and the main tunnel segment 13 at the starting tunnel portal is cut.
S4, returning and taking out the main tunnel segment at the starting tunnel portal: after the main tunnel segment 13 at the starting portal is cut through, the stability and the water stopping effect of the reinforcing body outside the portal are checked, and the cutting reinforcing ring 3 together with the cut main tunnel segment 13 at the portal is retracted into the main tunnel (as shown in fig. 3).
After the soil body at the confirmed hole door is stable and impervious to be detected, the connecting bolt of the first flexible annular sleeve 10 and the first annular flange plate 9 is loosened, and the first flexible annular sleeve 10 is separated from the first annular flange plate 9. And the adjusting and moving device 20 moves the tunneling device and the flexible starting sleeve system 8 wrapping the tunneling device backwards by 0.5-1.0 m, and the cut tunnel portal segment is taken out. The method for taking out the tunnel portal duct piece comprises the following steps: the connection of the first flexible annular sleeve 10 to the first annular flange plate 9 is opened and the cut primary tunnel segment 13 of the starting tunnel portal is removed by means of a hoisting device pre-installed inside the primary tunnel.
After the cutting reinforcing ring 3 is retracted to the original position, the moving device 20 and the flexible starting sleeve system 8 wrapping the tunneling device are moved back to the original position; the cutterhead 1 is aligned with the initial opening of the communication channel and the first flexible annular sleeve 10 is reconnected to the first annular flange plate 9.
S5, starting tunneling: injecting soil pressure balance medium to the rear of a cutter head 1 of the tunneling device, and starting normal tunneling and segment assembly of the tunneling device; 2-3 steel wire brushes 12 are required to be installed inside the rear end of the initial steel sleeve 11, shield tail grease is smeared on the steel wire brushes 12 before tunneling, and shield tail grease is filled in cavities among the steel wire brushes 12 to prevent underground water from entering a main tunnel.
S6, cutting a main tunnel segment at the receiving portal: the tunneling device tunnels to the outer side of the receiving tunnel portal, stops, extends the cutting reinforcing ring 3 out, continues tunneling, and rotates the cutter head 1 to drive the cutting reinforcing ring 3 to rotate so as to cut and penetrate through the main tunnel segment 14 at the receiving tunnel portal (as shown in fig. 4).
S7, receiving tunneling: the tunnelling device carries the main tunnel segments 14 at the receiving portal which have been cut through into a flexible receiving sleeve system 15.
S8, sealing the tunnel portal: and after the receiving tunneling is finished, plugging the receiving tunnel portal, grouting and filling behind the wall, welding tunnel portal steel plates, dismantling equipment and finishing construction.
The step S2 includes installation of the flexible starting sleeve system 8, assembly of the flexible receiving sleeve system 15, detection of the sealing effect of the flexible receiving sleeve system 8, and attitude adjustment of the heading device. The attitude adjustment of the tunneling device comprises adjusting a moving device 20 to enable the tunneling device to be close to a starting position of a tunnel portal; and simultaneously, checking that all systems of the tunneling device and the matched equipment are in a complete normal working state.
Compared with the prior art, the utility model discloses following technological effect has:
(1) the flexible sleeve system (comprising the flexible starting sleeve system and the flexible receiving sleeve system) has better adaptability to the field installation environment conditions and is easier to install and connect; the flexible sleeve system can be properly adjusted according to the posture of the heading machine during initial receiving, the adaptability of the entrance and exit portal is improved, the problem of butt joint mismatching caused by the influence of the construction process, the processing precision, various deformations and measurement errors during the initial receiving and the receiving of the actual construction sleeve is avoided, and the damage of a main tunnel segment of the portal is avoided.
(2) The utility model discloses a cutting beaded finish cuts the main tunnel section of jurisdiction starting with receiving stage cutting tunnel door section of jurisdiction more easily, can not skew the tunnelling axis, and cutting efficiency is better, and the time limit for a project more saves controllably, and is littleer to near the disturbance of the soil layer in the outside of the tunnel door, and it is littleer to produce the earth's surface subside to the receiving end.
(3) The flexible annular sleeve in the flexible sleeve system of the utility model is convenient to open and reinstall; this configuration enables removal of the primary tunnel segment cut at the time of origination, as compared to a rigid origination sleeve.
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 (7)
1. A tunneling device for tunnel communication channel receiving by means of flexible sleeve initiation comprises a tunneling device and a supporting trolley, wherein the tunneling device is provided with a cutter head with telescopic spokes, a cutting reinforcing ring, a propelling connecting rod and a cutting reinforcing ring propelling oil cylinder; the device is characterized by further comprising a flexible starting sleeve system, a flexible receiving sleeve system and a moving device; the moving device is arranged on the supporting trolley, a flexible starting sleeve system and a tunneling device wrapped in the flexible starting sleeve are supported on the moving device, and the moving device is used for enabling the flexible starting sleeve system and the tunneling device wrapped in the flexible starting sleeve to move back and forth along the starting axis direction of the communication channel; the flexible originating sleeve system is connected to the primary tunnel segment by a first flexible annular sleeve at its forward end and the flexible receiving sleeve system is connected to the primary tunnel segment by a second flexible annular sleeve at its forward end.
2. A tunneling assembly according to claim 1 and wherein said flexible starting sleeve system further comprises a starting steel sleeve, said first flexible annular sleeve being bolted at its rear end to said starting steel sleeve and bolted at its front end to said primary tunnel segment with said first annular flange plate.
3. A tunneling rig for initial reception of a tunnel communication with a flexible sleeve system according to claim 1 wherein said flexible receiving sleeve system further includes a receiving steel sleeve and an end closure plate; the end sealing plate is arranged at the rear part of the receiving steel sleeve, and the second flexible annular sleeve is arranged at the front end of the receiving steel sleeve; the rear end of the second flexible annular sleeve is connected with the receiving steel sleeve through bolts, and the front end of the second flexible annular sleeve is connected with the main tunnel segment through bolts and a second annular flange plate.
4. A tunnelling machine which is initiated to receive by means of a flexible sleeve as claimed in claim 1, wherein said first and second flexible annular sleeves are of rubber.
5. A tunnelling machine which is initiated to receive by means of a flexible sleeve as claimed in claim 1, wherein the tunnelling device is a shield or pipe push.
6. The tunneling device for initial reception of a tunneling communication channel through a flexible sleeve according to claim 1, wherein the first flexible annular sleeve and the second flexible annular sleeve are formed by splicing one or more annular sleeve segments, an annular mounting wing is respectively arranged on each of two sides of each annular sleeve segment, a plurality of bolt holes are formed in each annular mounting wing, and adjacent annular sleeve segments are fixedly connected through a connecting sleeve.
7. The tunneling device for initial reception of tunneling communication according to claim 6, wherein the connection kit comprises two annular pressing plates, a steel annular connecting plate, and bolts penetrating the annular pressing plates, the annular mounting wings and the steel annular connecting plate, and the annular pressing plates and the steel annular connecting plate are respectively provided with bolt holes matched with the bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120159524.0U CN214532964U (en) | 2021-01-21 | 2021-01-21 | Tunnel communication channel tunneling equipment with flexible sleeve for initial receiving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120159524.0U CN214532964U (en) | 2021-01-21 | 2021-01-21 | Tunnel communication channel tunneling equipment with flexible sleeve for initial receiving |
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| Publication Number | Publication Date |
|---|---|
| CN214532964U true CN214532964U (en) | 2021-10-29 |
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|---|---|---|---|
| CN202120159524.0U Active CN214532964U (en) | 2021-01-21 | 2021-01-21 | Tunnel communication channel tunneling equipment with flexible sleeve for initial receiving |
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| CN (1) | CN214532964U (en) |
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2021
- 2021-01-21 CN CN202120159524.0U patent/CN214532964U/en active Active
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