CN116291605A - Assembled tunnel joint structure - Google Patents
Assembled tunnel joint structure Download PDFInfo
- Publication number
- CN116291605A CN116291605A CN202310174795.7A CN202310174795A CN116291605A CN 116291605 A CN116291605 A CN 116291605A CN 202310174795 A CN202310174795 A CN 202310174795A CN 116291605 A CN116291605 A CN 116291605A
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- China
- Prior art keywords
- side wall
- ring
- fixedly connected
- sliding
- tunnel
- 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.)
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- 238000007789 sealing Methods 0.000 claims abstract description 27
- 210000001503 joint Anatomy 0.000 claims abstract description 20
- 238000003032 molecular docking Methods 0.000 claims description 35
- 239000007787 solid Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 230000002265 prevention Effects 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
- E21D11/385—Sealing means positioned between adjacent lining members
Abstract
The invention discloses an assembled tunnel joint structure which comprises two tunnel bodies and a butt joint ring, wherein two side walls of the butt joint ring are fixedly connected with fixing rings, each fixing ring is connected with the tunnel body through a clamping device, an annular cavity is formed in the inner side wall of the butt joint ring, a connecting channel is formed in the side wall of the annular cavity, a gas sealing device is arranged on the side wall of the connecting channel, a suction through hole is formed in the side wall of the connecting channel, a vacuumizing device is arranged at one end, deviating from the connecting channel, of the suction through hole, a plurality of butt joint holes are formed in the left side wall and the right side wall of the butt joint ring, and a plurality of butt joint holes in each side wall of the butt joint ring are arranged in an annular array. The invention has reasonable design and ingenious conception, and by arranging the components such as the butt joint ring, the fixing ring, the clamping block, the clamping groove, the annular cavity and the like to be mutually matched, the two tunnel bodies can be quickly butted, and meanwhile, the water leakage prevention during the butt joint of the tunnel bodies can be ensured by negative pressure vacuum.
Description
Technical Field
The invention relates to the technical field of tunnel construction, in particular to an assembled tunnel joint structure.
Background
The tunnel is an engineering building embedded in the underground space, is a form of utilizing underground space by human beings, and is widely applied due to good bearing performance, especially in industries of urban subways, railways, highways, municipal engineering, petroleum and natural gas, water and electricity and the like.
The tunnel provides certain traffic convenience for people, but traditional tunnel joint department leaks easily, and need adopt a large amount of bolts in fixed process, and fixed process is loaded down with trivial details, and the assembly exists inconveniently, in order to reach the purpose of being convenient for assemble and leak protection water, so put forward an assembled tunnel joint structure and solve above-mentioned problem that proposes.
Disclosure of Invention
The invention provides an assembled tunnel joint structure for solving the problems in the background art.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides an assembled tunnel joint structure, includes two tunnel bodies and docking collar, equal fixedly connected with solid fixed ring on the both sides wall of docking collar, every gu fixed ring passes through joint device and tunnel body interconnect, annular cavity has been seted up on the inside wall of docking collar, connecting channel has been seted up on the lateral wall of annular cavity, be equipped with gaseous closing device on the lateral wall of connecting channel, the suction through-hole has been seted up on the lateral wall of connecting channel, the one end that the suction through-hole deviates from connecting channel is equipped with evacuating device, a plurality of docking holes have all been seted up on the lateral wall about the docking collar, a plurality of docking holes on every lateral wall of docking collar are annular array setting, every fixedly connected with a plurality of inserted bars that are annular array setting on the annular lateral wall of one end of tunnel body, a plurality of inserted bars and a plurality of docking holes mutually support, every the one end and the annular cavity inside of docking hole are linked together.
As a further improvement scheme of the technical scheme: every the joint device includes a plurality of sliding grooves, and is a plurality of the sliding groove all sets up with the distribution at the inside lateral wall of docking collar, every the slide outlet has been seted up on the lateral wall of sliding groove, sliding connection has the sliding block in the sliding groove, every fixedly connected with stopper on the lateral wall of sliding block, every the stopper runs through the slide outlet, every set up on the inside wall of tunnel body with a plurality of draw-in grooves of stopper looks adaptation, every fixedly connected with slide bar on the lateral wall that the sliding block deviates from the stopper, the one end of slide bar runs through the lateral wall of sliding groove and fixedly connected with arm-tie, every the cover is equipped with the second spring on the slide bar, the both ends of second spring are supported respectively on the lateral wall of sliding block and sliding groove.
As a further improvement scheme of the technical scheme: each limiting block is arranged in a right-angled triangle, and each limiting block and the connected sliding block are integrally formed.
As a further improvement scheme of the technical scheme: the gas sealing device comprises a connecting ring, the connecting ring is fixedly connected to the side wall of a connecting channel, a plurality of fixing rods are fixedly connected to the side wall of the connecting ring, a plurality of pressing plates are connected to the fixing rods in a sliding mode, the pressing plates are used for sealing middle holes of the connecting ring, a first spring is sleeved on each fixing rod, a baffle is fixedly connected to one end of each fixing rod, and two ends of each first spring are respectively pressed against the pressing plates and the side wall of the baffle.
As a further improvement scheme of the technical scheme: and a third sealing ring is fixedly connected to the side wall of the connecting ring.
As a further improvement scheme of the technical scheme: the vacuum pumping device comprises a vacuum pump, an air suction pipe, a central controller and an air pressure sensor, wherein the vacuum pump is fixedly connected to the inner side wall of the butt joint ring, the air suction end of the vacuum pump is fixedly connected with the air suction pipe, one end of the air suction pipe is fixedly connected to one end of the suction through hole, the central controller is fixedly connected to the inner side wall of the butt joint ring, the air pressure sensor is fixedly connected to the side wall of the annular cavity, and the air pressure sensor and the vacuum pump are electrically connected with the central controller.
As a further improvement scheme of the technical scheme: the central controller adopts an MSP42 singlechip or a PLC controller with the model of OMRONCP1E-N20 DR-D.
As a further improvement scheme of the technical scheme: one end of each tunnel body is fixedly connected with a first sealing ring.
As a further improvement scheme of the technical scheme: and the side wall of each butt joint hole is fixedly connected with a butt joint ring, and a second sealing ring is arranged on the side wall of each butt joint ring.
As a further improvement scheme of the technical scheme: the first sealing ring, the second sealing ring and the third sealing ring are all made of rubber materials.
Compared with the prior art, the invention has the beneficial effects that:
the device reasonable in design, the design is ingenious, through setting up parts such as docking collar, solid fixed ring, fixture block, draw-in groove, annular cavity and mutually supporting, not only can dock two tunnel bodies fast, can guarantee the leak protection water when tunnel bodies dock through negative pressure vacuum simultaneously.
The foregoing description is only an overview of the present invention, and is intended to provide a better understanding of the present invention, as it is embodied in the following description, with reference to the preferred embodiments of the present invention and the accompanying drawings. Specific embodiments of the present invention are given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
fig. 1 is a schematic structural diagram of an assembled tunnel joint structure according to the present invention;
fig. 2 is a schematic diagram of a front cross-sectional structure of an assembled tunnel joint structure according to the present invention when the assembled tunnel joint structure is docked with a tunnel body;
fig. 3 is a schematic structural diagram of a tunnel body in an assembled tunnel joint structure according to the present invention;
fig. 4 is a schematic structural diagram of the fabricated tunnel joint structure according to the present invention when the fabricated tunnel joint structure is abutted to the tunnel body;
FIG. 5 is a schematic diagram of a front cross-sectional view of an assembled tunnel joint structure according to the present invention;
FIG. 6 is a schematic view of the enlarged partial structure of FIG. 2A;
FIG. 7 is a schematic view of the structure of FIG. 2B in a partially enlarged manner;
fig. 8 is a partially enlarged schematic view of fig. 2C.
In the drawings, the list of components represented by the various numbers is as follows:
1. a sliding block; 2. pulling a plate; 3. a rod; 4. a first seal ring; 5. a tunnel body; 6. an annular chamber; 7. a docking collar; 8. a fixing ring; 9. an air pressure sensor; 10. a pressing plate; 11. a connection channel; 12. a suction through hole; 13. a central controller; 14. an air suction pipe; 15. a baffle; 16. a first spring; 17. a fixed rod; 18. a connecting ring; 19. a second seal ring; 20. a pressing ring; 21. a butt joint hole; 22. a vacuum pump; 23. a second spring; 24. a sliding groove; 25. a slide outlet; 26. a limiting block; 27. a clamping groove; 28. a third seal ring; 29. a sliding rod.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention. The invention is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the invention will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the invention.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 8, in an embodiment of the present invention, an assembled tunnel joint structure includes two tunnel bodies 5 and a docking ring 7, wherein two side walls of the docking ring 7 are fixedly connected with fixing rings 8, each fixing ring 8 is connected with the tunnel body 5 through a clamping device, an annular chamber 6 is formed on an inner side wall of the docking ring 7, a connecting channel 11 is formed on a side wall of the annular chamber 6, a gas sealing device is formed on a side wall of the connecting channel 11, a suction through hole 12 is formed on a side wall of the connecting channel 11, a vacuumizing device is arranged at one end of the suction through hole 12, which is away from the connecting channel 11, a plurality of docking holes 21 are formed on left and right side walls of the docking ring 7, a plurality of inserting rods 3 which are arranged in an annular array are fixedly connected to one end annular side wall of each tunnel body 5, and one end of each inserting rod 3 is mutually matched with the plurality of docking holes 21, and one end of each docking hole 21 is communicated with the interior of the annular chamber 6.
Referring to fig. 1, fig. 5 and fig. 7, each clamping device comprises a plurality of sliding grooves 24, sliding outlets 25 are formed in the side walls of the sliding grooves 24, sliding blocks 1 are connected in the sliding grooves 24 in a sliding manner, limiting blocks 26 are fixedly connected to the side walls of the sliding blocks 1, the sliding outlets 25 are penetrated by each limiting block 26, a plurality of clamping grooves 27 matched with the limiting blocks 26 are formed in the inner side walls of each tunnel body 5, sliding rods 29 are fixedly connected to the side walls of the sliding blocks 1, one ends of the sliding rods 29 penetrate through the side walls of the sliding grooves 24 and are fixedly connected with pulling plates 2, second springs 23 are sleeved on the sliding rods 29, two ends of the second springs 23 respectively abut against the side walls of the sliding blocks 1 and the sliding grooves 24, each limiting block 26 is arranged in a right-angle triangular block, each limiting block 26 and the sliding block 1 connected with each limiting block are integrally formed, when fixing rings 8 on two sides of the corresponding tunnel bodies 5 are inserted into one ends of the corresponding limiting blocks 8, the fixing rings 8 on the two side walls of the corresponding limiting blocks 8 are ejected from the corresponding side walls of the limiting blocks 26, the corresponding side walls of the limiting blocks 26 can be pressed into the corresponding side walls of the corresponding limiting blocks 24, and can be pushed out of the corresponding side walls of the corresponding limiting blocks 26 to the corresponding side walls of the corresponding limiting blocks 5, and the corresponding side walls of the limiting blocks 26 can be pushed to the corresponding side walls 7, and the corresponding side walls of the limiting blocks 26 can be pushed to the corresponding side bodies 7 are pushed to the corresponding side bodies 26.
Referring to fig. 6, the gas sealing device includes a connecting ring 18, the connecting ring 18 is fixedly connected to a side wall of the connecting channel 11, a plurality of fixing rods 17 are fixedly connected to the side wall of the connecting ring 18, a pressing plate 10 is slidably connected to the plurality of fixing rods 17, the pressing plate 10 is used for sealing a middle hole of the connecting ring 18, a first spring 16 is sleeved on each fixing rod 17, a baffle 15 is fixedly connected to one end of each fixing rod 17, two ends of each first spring 16 respectively abut against the side walls of the pressing plate 10 and the baffle 15, a third sealing ring 28 is fixedly connected to the side wall of the connecting ring 18, a vacuum pump 22 is started, the vacuum pump 22 can suck air to one end of the suction through hole 12 through the air suction pipe 14, when the air suction pipe 14 sucks air from the side wall of the connecting ring 18 is separated from the pressing plate 10 in the connecting channel 11 by negative pressure on one side of the suction through hole 12, and then the vacuum pump 22 can suck air in the annular chamber 6, when the annular chamber 6 forms a similar vacuum state, the pressing plate 22 is stopped, and the pressing plate 10 is pressed against the side wall of the connecting ring 18 again under the action of the first spring 16.
Referring to fig. 2, 5 and 6, the vacuum pumping device comprises a vacuum pump 22, an air suction pipe 14, a central controller 13 and an air pressure sensor 9, wherein the vacuum pump 22 is fixedly connected to the inner side wall of the docking ring 7, the air suction end of the vacuum pump 22 is fixedly connected with the air suction pipe 14, one end of the air suction pipe 14 is fixedly connected to one end of the suction through hole 12, the central controller 13 is fixedly connected to the inner side wall of the docking ring 7, the air pressure sensor 9 is fixedly connected to the side wall of the annular chamber 6, the air pressure sensor 9 and the vacuum pump 22 are electrically connected with the central controller 13, the central controller 13 adopts an MSP42 singlechip or a PLC controller with the model of OMRONCP1E-N20DR-D, when the vacuum pump 22 is started, the vacuum pump 22 can suck air from one end of the suction through hole 12 through the air suction pipe 14, and then can suck air in the annular chamber 6, when the annular chamber 6 forms a similar vacuum state, because a plurality of tunnel inserting rods 3 at one end of each tunnel body 5 are inserted into a plurality of docking holes 21 connected with the annular chamber 6, and when the annular chamber 6 is in a vacuum state, the annular chamber 6 is in an automatic state, the water-proof performance of the docking between the annular body 5 and the two docking ring bodies 5 can be tightly and tightly abutted tightly and tightly abutted against the side walls 7; when the central controller 13 detects an increase in the air pressure in the annular chamber 6 through the air pressure sensor 9, the central controller 13 may automatically start the vacuum pump 22 to maintain the air pressure in the annular chamber 6 in a vacuum state.
Referring to fig. 3, a first sealing ring 4 is fixedly connected to one end of each tunnel body 5, the first sealing ring 4 can improve tightness when the tunnel body 5 abuts against the side wall of the abutting ring 7, and the first sealing ring 4, the second sealing ring 19 and the third sealing ring 28 are made of rubber.
Referring to fig. 8, a pressing ring 20 is fixedly connected to a side wall of each of the abutting holes 21, and a second sealing ring 19 is disposed on a side wall of each of the pressing rings 20, so that when a plurality of insert rods 3 at one end of each tunnel body 5 completely enter into the abutting holes 21 on the side wall of the abutting ring 7, one end of each insert rod 3 can abut against the second sealing ring 19 on the side wall of the pressing ring 20, and thus tightness of the insert rod 3 and the pressing ring 20 during abutting can be improved.
The working principle of the invention is as follows:
when two tunnel bodies 5 are required to be abutted, firstly, the fixing rings 8 on two sides of the abutting ring 7 can be inserted into one ends of the two tunnel bodies 5, in the process of inserting the fixing rings 8, the inclined side walls of the limiting blocks 26 popped up from the side walls of each fixing ring 8 are extruded by the inner side walls of the tunnel bodies 5, so that the limiting blocks 26 are extruded into the sliding grooves 24, when one ends of the two tunnel bodies 5 are abutted against the two side walls of the abutting ring 7, each limiting block 26 can be just beside each corresponding clamping groove 27, at the moment, under the action force of the second springs 23, the limiting blocks 26 can be popped up from the sliding grooves 24 and enter the clamping grooves 27, and then the tunnel bodies 5 can be clamped and fixed on the fixing rings 8, and meanwhile, when one ends of the two tunnel bodies 5 are abutted against the two side walls of the abutting ring 7, a plurality of inserting rods 3 at one end of each tunnel body 5 can enter a plurality of abutting holes 21 on the side walls of the abutting ring 7;
then, the vacuum pump 22 is started again, the vacuum pump 22 can suck air to one end of the suction through hole 12 through the air suction pipe 14, when the air suction pipe 14 sucks, the pressing plate 10 in the connecting channel 11 is separated from the side wall of the connecting ring 18 by negative pressure suction on one side of the suction through hole 12, so that the vacuum pump 22 can suck air in the annular chamber 6, when the annular chamber 6 forms a similar vacuum state, the vacuum pump 22 is stopped, the pressing plate 10 is pressed against the side wall of the connecting ring 18 again under the action of the first spring 16, the central hole of the connecting ring 18 is blocked, the vacuum state of the annular chamber 6 is kept, and because the inserting rods 3 at one end of each tunnel body 5 are inserted into the plurality of butt joint holes 21 connected with the annular chamber 6, when the annular chamber 6 is in the vacuum state, the tunnel bodies 5 can be automatically pressed against the two side walls of the butt joint ring 7 tightly, and tightness and waterproofness of the butt joint of the tunnel bodies 5 are ensured.
The above description is only of the preferred embodiments of the present invention, and is not intended to limit the present invention in any way; those skilled in the art will readily appreciate that the present invention may be implemented as shown in the drawings and described above; however, those skilled in the art will appreciate that many modifications, adaptations, and variations of the present invention are possible in light of the above teachings without departing from the scope of the invention; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present invention still fall within the scope of the present invention.
Claims (10)
1. The utility model provides an assembled tunnel joint structure, includes two tunnel body (5) and docking collar (7), its characterized in that, equal fixedly connected with solid fixed ring (8) on the both sides wall of docking collar (7), every gu fixed ring (8) are through joint device and tunnel body (5) interconnect, annular cavity (6) have been seted up on the inside wall of docking collar (7), connecting channel (11) have been seted up on the lateral wall of annular cavity (6), be equipped with gaseous closing device on the lateral wall of connecting channel (11), suction through-hole (12) have been seted up on the lateral wall of connecting channel (11), suction through-hole (12) deviate from connecting channel (11) one end be equipped with evacuating device, a plurality of docking holes (21) have all been seted up on the left and right sides wall of docking collar (7), a plurality of docking holes (21) on every lateral wall of docking collar (7) are annular array setting, every fixedly connected with a plurality of inserted bars (3) that are annular array setting on the one end annular side wall of docking holes (21) each other the inside of docking hole (21).
2. The assembled tunnel joint structure according to claim 1, wherein each clamping device comprises a plurality of sliding grooves (24), the sliding grooves (24) are formed in the inner side wall of the butt joint ring (7) in a distributed mode, sliding outlets (25) are formed in the side wall of each sliding groove (24), sliding blocks (1) are connected in the sliding grooves (24) in a sliding mode, limiting blocks (26) are fixedly connected to the side walls of each sliding block (1), each limiting block (26) penetrates through the corresponding sliding outlet (25), a plurality of clamping grooves (27) matched with the limiting blocks (26) are formed in the inner side wall of each tunnel body (5), sliding rods (29) are fixedly connected to the side walls of the sliding blocks (1) deviating from the corresponding limiting blocks (26), one ends of the sliding rods (29) penetrate through the side walls of the sliding grooves (24) and are fixedly connected with pulling plates (2), second springs (23) are sleeved on the sliding rods (29), and two ends of the sliding blocks (23) are abutted to the side walls of the sliding blocks (24).
3. The fabricated tunnel joint structure according to claim 2, wherein each limiting block (26) is arranged in a right triangle, and each limiting block (26) and the connected sliding block (1) are integrally formed.
4. A fabricated tunnel joint structure according to claim 3, wherein the gas sealing device comprises a connecting ring (18), the connecting ring (18) is fixedly connected to the side wall of the connecting channel (11), a plurality of fixing rods (17) are fixedly connected to the side wall of the connecting ring (18), a plurality of pressing plates (10) are slidingly connected to the fixing rods (17), the pressing plates (10) are used for sealing middle holes of the connecting ring (18), a first spring (16) is sleeved on each fixing rod (17), one end of each fixing rod (17) is fixedly connected with a baffle plate (15), and two ends of each first spring (16) are respectively pressed against the pressing plates (10) and the side wall of the baffle plate (15).
5. The fabricated tunnel joint structure according to claim 4, wherein a third seal ring (28) is fixedly connected to a side wall of the connection ring (18).
6. The assembled tunnel joint structure according to claim 5, wherein the vacuumizing device comprises a vacuum pump (22), an air suction pipe (14), a central controller (13) and an air pressure sensor (9), the vacuum pump (22) is fixedly connected to the inner side wall of the docking ring (7), the air suction end of the vacuum pump (22) is fixedly connected with the air suction pipe (14), one end of the air suction pipe (14) is fixedly connected to one end of the air suction through hole (12), the central controller (13) is fixedly connected to the inner side wall of the docking ring (7), the air pressure sensor (9) is fixedly connected to the side wall of the annular chamber (6), and the air pressure sensor (9) and the vacuum pump (22) are electrically connected with the central controller (13).
7. The fabricated tunnel joint structure according to claim 6, wherein the central controller (13) is a MSP42 single-chip microcomputer or a PLC controller of the type OMRONCP1E-N20 DR-D.
8. A fabricated tunnel joint structure according to claim 7, wherein a first sealing ring (4) is fixedly connected to one end of each tunnel body (5).
9. The fabricated tunnel joint structure according to claim 8, wherein a pressing ring (20) is fixedly connected to a side wall of each of the butt joint holes (21), and a second sealing ring (19) is provided on a side wall of each of the pressing rings (20).
10. The fabricated tunnel joint structure according to claim 9, wherein the first sealing ring (4), the second sealing ring (19) and the third sealing ring (28) are made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310174795.7A CN116291605A (en) | 2023-02-28 | 2023-02-28 | Assembled tunnel joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310174795.7A CN116291605A (en) | 2023-02-28 | 2023-02-28 | Assembled tunnel joint structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116291605A true CN116291605A (en) | 2023-06-23 |
Family
ID=86786299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310174795.7A Pending CN116291605A (en) | 2023-02-28 | 2023-02-28 | Assembled tunnel joint structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116291605A (en) |
-
2023
- 2023-02-28 CN CN202310174795.7A patent/CN116291605A/en active Pending
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