CN112727496A - Building shield segment - Google Patents
Building shield segment Download PDFInfo
- Publication number
- CN112727496A CN112727496A CN202011623797.2A CN202011623797A CN112727496A CN 112727496 A CN112727496 A CN 112727496A CN 202011623797 A CN202011623797 A CN 202011623797A CN 112727496 A CN112727496 A CN 112727496A
- Authority
- CN
- China
- Prior art keywords
- adsorption
- fixedly connected
- wall
- segment
- piston head
- 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.)
- Granted
Links
- 238000009434 installation Methods 0.000 claims abstract description 33
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 4
- 238000001179 sorption measurement Methods 0.000 claims description 113
- 230000006978 adaptation Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 229920002379 silicone rubber Polymers 0.000 claims description 2
- 238000005452 bending Methods 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract 1
- 210000003437 trachea Anatomy 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 238000009412 basement excavation Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000740 bleeding effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010008 shearing Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21D11/003—Linings or provisions thereon, specially adapted for traffic tunnels, e.g. with built-in cleaning devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
- E21D11/083—Methods or devices for joining adjacent concrete segments
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a building shield segment, which comprises a segment body, wherein an installation chute is formed in one end of the segment body, a limiting sliding strip is fixedly connected to one end, away from the installation chute, of the segment body, a limiting ball is fixedly connected to the top of the limiting sliding strip, a fixing device is fixedly connected to one end, close to the installation chute, of the interior of the segment body, a reinforcing strip is fixedly connected to one end, close to the limiting sliding strip, of the inner wall of the segment body, the shape and the size of the limiting sliding strip are matched with those of the inner wall of the installation chute, a plurality of groups of limiting balls and fixing devices are arranged on the segment body, and arc-shaped sealing blocks are fixedly connected to two ends of one side, away from the segment body, of the limiting. This building shield constructs section of jurisdiction can strengthen the anti bending ability of section of jurisdiction junction, conveniently improves the intensity of section of jurisdiction, can improve the stability of junction, uses safe and reliable, and adaptability is good, convenient to use.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a building shield segment.
Background
In modern construction engineering, there are usually several construction methods related to tunnel excavation, including open excavation and underground excavation, wherein the shield method in the underground excavation is a fully mechanical construction method, and because the shield method has the advantages of safe excavation, no influence on ground facilities, etc., it is generally applied to tunnel construction, for example: railway tunnels, highway tunnels, underwater tunnels, subway and the like.
The shield segment used in the shield engineering at present is poor in stability of a joint usually in splicing, easy to fall off, poor in strength of the splicing position and poor in capability of resisting longitudinal and transverse shearing forces.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a building shield segment, which solves the problems that the shield segment used in the shield engineering at present is poor in stability of a joint, easy to fall off, poor in strength of the joint and poor in capability of resisting longitudinal and transverse shearing forces.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a building shield segment comprises a segment body, wherein an installation chute is formed in one end of the segment body, a limiting sliding strip is fixedly connected to one end, away from the installation chute, of the segment body, a limiting ball is fixedly connected to the top of the limiting sliding strip, a fixing device is fixedly connected to one end, close to the installation chute, of the interior of the segment body, a reinforcing strip is fixedly connected to one end, close to the limiting sliding strip, of the inner wall of the segment body, the limiting sliding strip at one end of the segment body can be inserted into the installation chute on another group of segment bodies during use, then the segment body is fixed through the fixing device, the anti-bending capacity of the segment joint can be enhanced through the cooperation of the installation chute and the limiting sliding strip;
the fixing device comprises a hydraulic pipe, one end of the inner wall of the hydraulic pipe is connected with a first piston head in a sliding manner, one side of the first piston head is fixedly connected with a push rod, one end, far away from the first piston head, of the push rod penetrates through the hydraulic pipe and is fixedly connected with an adsorption device, a ball is connected between the inner wall of the hydraulic pipe and the outer wall of the push rod in a sliding manner, an air passage is formed in the push rod, the inner wall of the air passage is connected with an air pipe in a sliding manner, one end, far away from the adsorption device, of the air pipe penetrates through the first piston head and extends into the hydraulic pipe, the part, located inside the hydraulic pipe, of the air pipe is fixedly connected with the inner wall of the hydraulic pipe through a support rod, one end, close to the adsorption device, of the air pipe is fixedly connected with a second, to the inside hydraulic oil that injects of hydraulic pressure pipe, hydraulic oil promotes first piston head and removes, and first piston head drives the push rod and removes, and the push rod drives adsorption equipment and supports on spacing ball, then bleeds through the trachea, and trachea and the inside atmospheric pressure of gas passage diminish drive adsorption equipment adsorb on spacing ball can, can avoid spacing draw runner to slide in installation spout inside, can improve the stability of junction, use safe and reliable.
Preferably, the hydraulic pipe is fixedly connected with the inner wall of the segment body through a support rod, one end, far away from the first piston head, of the air passage is communicated with the adsorption device, and a plurality of groups of balls are arranged.
Preferably, the one end that the push rod was kept away from to the hydraulic pressure pipe and the one end that the second piston head was kept away from to the trachea all run through the section of jurisdiction body and be provided with the electronic valve, the adsorption equipment keeps away from trachea one side and extends to inside the installation spout.
Preferably, the shape and the size of the limiting slide bar are matched with those of the inner wall of the mounting chute, and the limiting ball and the fixing device are provided with a plurality of groups.
Preferably, adsorption equipment includes first adsorption disc, the first adsorption disc outside fixedly connected with second adsorption disc, adsorption tank has been seted up to first adsorption disc inner wall, connection air flue has all been seted up to adsorption tank both sides, the part that first adsorption disc inner wall is located adsorption tank bottom has been seted up and has been adsorbed the air flue, first adsorption disc bottom intercommunication has the absorption trachea, adsorbs the trachea and takes out the adsorption tank and connect the inside gas of air flue through adsorbing the air flue when bleeding, makes first adsorption disc and second adsorption disc hug closely on spacing ball surface, conveniently fixes spacing ball inside the installation spout, and spacing ball and adsorption equipment all are provided with solitary multiunit, do not influence overall stability when single junction leaks gas, use safe and reliable more.
Preferably, first adsorption disc and second adsorption disc all select for use the silicon rubber material to make, the thickness of second adsorption disc is 1.5 times of first adsorption disc thickness, and the second adsorption disc is thicker than first adsorption disc, can be when bleeding that first adsorption disc produces deformation and pastes tightly on spacing ball to can take out the inside gas of second adsorption disc earlier, take out the inside gas of adsorption disc again, avoid the inside gas outgoing of adsorption disc in a distance incomplete, adsorb more stably.
Preferably, the adsorption grooves and the connecting air passages are provided with a plurality of groups and are uniformly distributed on the inner wall of the first adsorption disc, two sides of each connecting air passage are communicated with the adjacent adsorption grooves, two ends of each adsorption air passage are respectively communicated with the adsorption grooves and the adsorption air pipes, and one end, far away from the first adsorption disc, of each adsorption air pipe is communicated with the air passages.
Preferably, the equal fixedly connected with arc seal block in one side both ends that the section of jurisdiction body was kept away from to spacing draw runner, the shape and the size of arc seal block and the shape and the size looks adaptation at installation spout inner wall both ends.
(III) advantageous effects
The invention provides a shield segment for a building. The method has the following beneficial effects:
(1) this building shield constructs section of jurisdiction is provided with installation spout and spacing draw runner, can insert the installation spout inside on another group of section of jurisdiction body with the spacing draw runner of section of jurisdiction body one end, then fixed through fixing device, the anti bending ability of section of jurisdiction junction can be strengthened in installation spout and the cooperation of spacing draw runner, the convenient intensity that improves the section of jurisdiction.
(2) This building shield constructs section of jurisdiction is provided with fixing device, and accessible fixing device is together fixed inside the installation spout with the spacing draw runner of spacing ball intercommunication, avoids spacing draw runner to take place to slide in the installation spout is inside, can improve the stability of junction, uses safe and reliable.
(3) This building shield constructs section of jurisdiction is provided with hydraulic pressure pipe and trachea to with the trachea integration inside hydraulic pressure pipe, can reduce fixing device's occupation space, can adapt to the less shield of size section of jurisdiction and use, adaptability is better.
(4) This building shield constructs section of jurisdiction is provided with branch and enhancement strip, and accessible branch and hydraulic pipe combination provide the support for the shield constructs the section of jurisdiction to the strip is strengthened in the cooperation, improves the bulk strength that the shield constructs the section of jurisdiction.
(5) This building shield constructs section of jurisdiction is provided with adsorption equipment, makes first adsorption dish and second adsorption dish hug closely on spacing ball surface, and the convenience is fixed spacing ball inside the installation spout, and spacing ball and adsorption equipment all are provided with solitary multiunit, do not influence overall stability when single junction leaks gas, use safe and reliable more.
(6) This kind of building shield constructs section of jurisdiction is provided with first adsorption disc and second adsorption disc to the second adsorption disc is thicker than first adsorption disc, can be when bleeding first adsorption disc produce deformation and paste tightly on spacing ball, and can take the inside gas of second adsorption disc out earlier, take the inside gas of adsorption disc out again, avoid the inside gas outgoing of adsorption disc in a distance incomplete, adsorb more stably.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view of the structure of part A of the present invention;
FIG. 4 is a schematic view of a fixing device according to the present invention;
FIG. 5 is a schematic view of the structure of the adsorption apparatus of the present invention.
In the figure: 1. the segment body, 2, installation spout, 3, spacing draw runner, 4, spacing ball, 5, fixing device, 51, hydraulic pressure pipe, 52, first piston head, 53, push rod, 54, adsorption equipment, 541, first adsorption dish, 542, second adsorption dish, 543, adsorption tank, 544, connection air flue, 545, adsorption air flue, 546, adsorption air pipe, 55, ball, 56, air flue, 57, air pipe, 58, branch, 59, second piston head, 510, gas pocket, 511, vaulting pole, 6, strengthen the strip, 7, arc seal block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-4, the present invention provides a technical solution: a building shield segment comprises a segment body 1, wherein one end of the segment body 1 is provided with an installation chute 2, one end of the segment body 1, which is far away from the installation chute 2, is fixedly connected with a limiting sliding strip 3, the top of the limiting sliding strip 3 is fixedly connected with a limiting ball 4, one end of the interior of the segment body 1, which is close to the installation chute 2, is fixedly connected with a fixing device 5, one end of the interior wall of the segment body 1, which is close to the limiting sliding strip 3, is fixedly connected with a reinforcing strip 6, the fixing device 5 comprises a hydraulic pipe 51, one end of the interior wall of the hydraulic pipe 51 is slidably connected with a first piston head 52, one side of the first piston head 52 is fixedly connected with a push rod 53, one end of the push rod 53, which is far away from the first piston head 52, penetrates through the hydraulic pipe 51 and is fixedly connected with an, one end of the air pipe 57 far away from the adsorption device 54 penetrates through the first piston head 52 and extends into the hydraulic pipe 51, the part of the air pipe 57 located inside the hydraulic pipe 51 is fixedly connected with the inner wall of the hydraulic pipe 51 through the supporting rod 58, one end of the air pipe 57 close to the adsorption device 54 is fixedly connected with a second piston head 59, one side of the second piston head 59 is provided with an air hole 510 communicated with the air pipe 57, and the top and the bottom of the hydraulic pipe 51 are fixedly connected with a supporting rod 511.
During the use, can insert the spacing draw runner 3 of section of jurisdiction body 1 one end inside the installation spout 2 on another group section of jurisdiction body 1, then it is fixed through fixing device 5, the anti bending ability of section of jurisdiction junction can be strengthened in installation spout 2 and the cooperation of spacing draw runner 3, the intensity of section of jurisdiction is conveniently improved, when spacing draw runner 3 drives spacing ball 4 and inserts installation spout 2 inside, to the inside injected hydraulic oil of hydraulic pressure pipe 51, hydraulic oil promotes first piston head 52 and removes, first piston head 52 drives push rod 53 and removes, push rod 53 drives adsorption equipment 54 and supports on spacing ball 4, then bleed through trachea 57, trachea 57 and 56 inside atmospheric pressure diminish drive adsorption equipment 54 adsorb on spacing ball 4 can, can avoid spacing draw runner 3 to slide in installation spout 2 inside, can improve the stability of junction, use safe and reliable.
Example two:
referring to fig. 1-5, the present invention provides a technical solution based on the first embodiment: the adsorption device 54 comprises a first adsorption disk 541, a second adsorption disk 542 fixedly connected with the outer side of the first adsorption disk 541, an adsorption groove 543 formed in the inner wall of the first adsorption disk 541, connecting air passages 544 formed in both sides of the adsorption groove 543, an adsorption air passage 545 formed in the portion of the inner wall of the first adsorption disk 541 located at the bottom of the adsorption groove 543, an adsorption air pipe 546 communicated with the bottom of the first adsorption disk 541, the adsorption air pipe 546 extracting air from the adsorption groove 543 and the connecting air passages 544 through the adsorption air passage 545 during air extraction, so that the first adsorption disk 541 and the second adsorption disk 542 are tightly attached to the surface of the limit ball 4, the limit ball 4 is conveniently fixed inside the installation sliding groove 2, the limit ball 4 and the adsorption device 54 are respectively provided with a plurality of independent groups, the overall stability is not affected when a single connection is leaked, the use is safer and more reliable, the thickness of the second adsorption disk 542 is 1.5 times of the thickness of the first adsorption disk 541, the first adsorption disk 541 is deformed and tightly attached to the limit ball, and can take out the inside gas of second adsorption disc 542 earlier, take out the inside gas of first adsorption disc 541 again, avoid the inside gas outgoing of adsorption disc in a distance not thorough, adsorb more stably.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A building shield segment comprises a segment body (1), and is characterized in that one end of the segment body (1) is provided with an installation chute (2), one end of the segment body (1) far away from the installation chute (2) is fixedly connected with a limiting slide bar (3), the top of the limiting slide bar (3) is fixedly connected with a limiting ball (4), one end of the interior of the segment body (1) close to the installation chute (2) is fixedly connected with a fixing device (5), and one end of the inner wall of the segment body (1) close to the limiting slide bar (3) is fixedly connected with a reinforcing bar (6);
the fixing device (5) comprises a hydraulic pipe (51), one end of the inner wall of the hydraulic pipe (51) is connected with a first piston head (52) in a sliding mode, one side of the first piston head (52) is fixedly connected with a push rod (53), one end, far away from the first piston head (52), of the push rod (53) penetrates through the hydraulic pipe (51) and is fixedly connected with an adsorption device (54), a ball (55) is connected between the inner wall of the hydraulic pipe (51) and the outer wall of the push rod (53) in a sliding mode, an air channel (56) is formed inside the push rod (53), the inner wall of the air channel (56) is connected with an air pipe (57) in a sliding mode, one end, far away from the adsorption device (54), of the air pipe (57) penetrates through the first piston head (52) and extends to the inside of the hydraulic pipe (51), and the part, located inside the hydraulic pipe (, one end of the air pipe (57) close to the adsorption device (54) is fixedly connected with a second piston head (59), one side of the second piston head (59) is provided with an air hole (510) communicated with the air pipe (57), and the top and the bottom of the hydraulic pipe (51) are fixedly connected with support rods (511).
2. The building shield segment of claim 1, wherein: the hydraulic pipe (51) is fixedly connected with the inner wall of the segment body (1) through a support rod (511), one end, far away from the first piston head (52), of the air passage (56) is communicated with an adsorption device (54), and a plurality of groups of balls (55) are arranged.
3. The building shield segment of claim 1, wherein: one end of the hydraulic pipe (51) far away from the push rod (53) and one end of the air pipe (57) far away from the second piston head (59) both penetrate through the segment body (1) and are provided with electronic valves, and one side of the adsorption device (54) far away from the air pipe (57) extends to the inside of the installation sliding groove (2).
4. The building shield segment of claim 1, wherein: the shape and the size of the limiting slide bar (3) are matched with those of the inner wall of the mounting chute (2), and the limiting ball (4) and the fixing device (5) are provided with a plurality of groups.
5. The building shield segment of claim 1, wherein: the adsorption device (54) comprises a first adsorption disc (541), a second adsorption disc (542) is fixedly connected to the outer side of the first adsorption disc (541), an adsorption groove (543) is formed in the inner wall of the first adsorption disc (541), connecting air channels (544) are formed in two sides of the adsorption groove (543), an adsorption air channel (545) is formed in the portion, located at the bottom of the adsorption groove (543), of the inner wall of the first adsorption disc (541), and an adsorption air pipe (546) is communicated with the bottom of the first adsorption disc (541).
6. The building shield segment of claim 5, wherein: the first adsorption disc (541) and the second adsorption disc (542) are made of silicon rubber materials, and the thickness of the second adsorption disc (542) is 1.5 times that of the first adsorption disc (541).
7. The building shield segment of claim 5, wherein: the adsorption grooves (543) and the connecting air channel (544) are provided with a plurality of groups and are uniformly distributed on the inner wall of the first adsorption disc (541), two sides of the connecting air channel (544) are communicated with the adjacent adsorption grooves (543), and two ends of the adsorption air channel (545) are respectively communicated with the adsorption grooves (543) and the adsorption air pipe (546).
8. The building shield segment of claim 1, wherein: the equal fixedly connected with arc seal piece (7) in one side both ends that section of jurisdiction body (1) was kept away from in spacing draw runner (3), the shape and the size of arc seal piece (7) and the shape and the size looks adaptation at installation spout (2) inner wall both ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011623797.2A CN112727496B (en) | 2020-12-31 | 2020-12-31 | Building shield constructs section of jurisdiction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011623797.2A CN112727496B (en) | 2020-12-31 | 2020-12-31 | Building shield constructs section of jurisdiction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112727496A true CN112727496A (en) | 2021-04-30 |
| CN112727496B CN112727496B (en) | 2023-12-19 |
Family
ID=75608833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011623797.2A Active CN112727496B (en) | 2020-12-31 | 2020-12-31 | Building shield constructs section of jurisdiction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112727496B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207278273U (en) * | 2017-10-19 | 2018-04-27 | 王敬春 | A kind of spacing tenon of shield duct piece lining cutting and shield duct piece lining cutting connection structure |
| CN207583383U (en) * | 2017-12-12 | 2018-07-06 | 郑茜月 | A kind of high shield duct piece of stability |
| CN208564565U (en) * | 2018-05-17 | 2019-03-01 | 佛山市南海南源水利水电勘测设计院有限公司 | Anti- internal water pressure composite shield section of jurisdiction |
| CN111236971A (en) * | 2020-01-19 | 2020-06-05 | 天津大学 | Air bag type duct piece for urban shield tunnel and operation method thereof |
| CN210798987U (en) * | 2019-09-12 | 2020-06-19 | 上海建工常州建亚建筑构件制品有限公司 | Prefabricated reinforced concrete segment |
-
2020
- 2020-12-31 CN CN202011623797.2A patent/CN112727496B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207278273U (en) * | 2017-10-19 | 2018-04-27 | 王敬春 | A kind of spacing tenon of shield duct piece lining cutting and shield duct piece lining cutting connection structure |
| CN207583383U (en) * | 2017-12-12 | 2018-07-06 | 郑茜月 | A kind of high shield duct piece of stability |
| CN208564565U (en) * | 2018-05-17 | 2019-03-01 | 佛山市南海南源水利水电勘测设计院有限公司 | Anti- internal water pressure composite shield section of jurisdiction |
| CN210798987U (en) * | 2019-09-12 | 2020-06-19 | 上海建工常州建亚建筑构件制品有限公司 | Prefabricated reinforced concrete segment |
| CN111236971A (en) * | 2020-01-19 | 2020-06-05 | 天津大学 | Air bag type duct piece for urban shield tunnel and operation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112727496B (en) | 2023-12-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104265324A (en) | Existing tunnel structure reinforced composite component reinforcing structure and construction method of existing tunnel structure reinforced composite component reinforcing structure | |
| CN101666239A (en) | Hole sealer for dual purposes of gas drainage and coal seam water injection and using method thereof | |
| CN203490041U (en) | Pressure testing device of water transmission pipeline | |
| CN104653220A (en) | Gas extraction sealing mechanism | |
| CN112727496A (en) | Building shield segment | |
| CN206697872U (en) | A kind of circuit pipe laying | |
| CN105201546B (en) | Device and method for improving gas extraction concentration | |
| CN114607421A (en) | High-water-pressure-resistant shield segment structure | |
| JPS5995962A (en) | Pig for repairing inside surface of installed pipe | |
| CN210194676U (en) | Structure is assembled to prefabricated utility tunnel tube coupling of underground | |
| CN202474788U (en) | Cable pipe orifice sealing device | |
| CN208310798U (en) | A kind of duct pieces of shield tunnel with guiding device | |
| CN107687178A (en) | A kind of precast assembly comprehensive pipe gallery structure of anti-uneven settlement of foundation | |
| CN207007447U (en) | A kind of valve suppresses test device | |
| CN201288483Y (en) | Electromagnetic wave shielding door | |
| CN106198298A (en) | A kind of negative pressure water absorber of material | |
| CN208348790U (en) | A kind of pipeline no-dig technique liner reparation internal lining pipe fourth contact inflation sealing device | |
| CN204819243U (en) | Pressure testing clamping device of socket joint pipe fitting | |
| CN205136927U (en) | Pipe sealing joint who connects bamboo -shaped prestressing force plastics pipe racks blast pipe | |
| CN110005450B (en) | Waterproof structure for subway station and shield tunnel interface and construction method | |
| CN207144777U (en) | A kind of outer eaves door and window anti-leakage structure | |
| CN106193121A (en) | A kind of immersed tube tunnel tube coupling antipriming | |
| CN219431888U (en) | Mine stope filling and sealing device | |
| CN205618121U (en) | Coal body long arm water injection hole packer | |
| CN201546209U (en) | Construction tunnel manhole sealing door |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20231115 Address after: Room 301, Building 30, Tian'an Headquarters Center, No. 555 North Panyu Avenue, Donghuan Street, Panyu District, Guangzhou City, Guangdong Province, 510000 Applicant after: Zhongliu Dizhu (Guangzhou) New Materials Co.,Ltd. Address before: 510000 room A-8, No.9, zhongsan section, Shiguang Road, Zhongcun street, Panyu District, Guangzhou City, Guangdong Province Applicant before: Li Yanyan |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |