CN114541478A - Adjustable wedge type fastening joint applicable to assembly type pipe gallery, pipe gallery and assembly method of pipe gallery - Google Patents
Adjustable wedge type fastening joint applicable to assembly type pipe gallery, pipe gallery and assembly method of pipe gallery Download PDFInfo
- Publication number
- CN114541478A CN114541478A CN202210320749.9A CN202210320749A CN114541478A CN 114541478 A CN114541478 A CN 114541478A CN 202210320749 A CN202210320749 A CN 202210320749A CN 114541478 A CN114541478 A CN 114541478A
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000004873 anchoring Methods 0.000 claims abstract description 32
- 230000003044 adaptive effect Effects 0.000 claims description 2
- 210000003205 muscle Anatomy 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/10—Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses an adjustable wedge type fastening joint for an assembly type pipe gallery, a pipe gallery and an assembly method of the pipe gallery, wherein a C-shaped sleeve of the adjustable wedge type fastening joint can be arranged on the end surface of the pipe gallery; the C-shaped sleeve is provided with a C-shaped cavity; the T-shaped joint of the male head can be inserted into the C-shaped cavity of the C-shaped sleeve and is matched with the structure of the C-shaped cavity, the T-shaped joint sleeve can be installed on the end face of the pipe gallery, the anchoring rib bolt is coaxially arranged inside the T-shaped joint sleeve and is rotationally connected with the T-shaped joint sleeve, the T-shaped joint bolt is rotationally connected with the T-shaped joint, the threaded ends of the T-shaped joint bolt and the anchoring rib bolt are adjacently arranged, the thread turning directions are opposite, and two ends of the worm gear nut are respectively sleeved at the threaded ends of the T-shaped joint bolt and the anchoring rib bolt and are in threaded connection; and a driving structure for driving the worm gear and the screw cap to rotate is arranged on the T-shaped joint sleeve. The invention can effectively solve the problem that the assembly position is not easy to adjust, and simultaneously solves the problem of front and back looseness between pipe joints.
Description
Technical Field
The invention relates to the technical field of assembly type structural engineering, in particular to an adjustable wedge type fastening joint for an assembly type pipe gallery, a pipe gallery and an assembly method of the pipe gallery.
Background
Along with the rapid development of city process, municipal supporting pipeline has set up mostly with among the utility tunnel, along with the rapid development of assembled building structure, utility tunnel has gradually developed to the direction that assembled tube coupling was assembled, but present assembled tube gallery is assembled the position and is easily appeared around not hard up, the difficult adjustment scheduling problem of concatenation department dislocation, this brings not little trouble to the piping lane construction.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide an adjustable wedge type fastening joint for an assembly type pipe gallery, a pipe gallery and an assembly method of the pipe gallery.
In order to achieve the purpose, the invention adopts the following technical scheme:
an adjustable wedge-type fastening joint for an assembled pipe gallery comprises a male head and a female head, wherein the female head comprises a C-shaped sleeve, and the C-shaped sleeve can be arranged on the end surface of the pipe gallery; the C-shaped sleeve is provided with a C-shaped cavity, and an opening of the C-shaped cavity penetrates through the side wall of the C-shaped sleeve;
the male head comprises a T-shaped joint, a T-shaped joint sleeve, a T-shaped joint bolt, a worm gear nut and an anchoring rib bolt, the T-shaped joint can be inserted into the C-shaped cavity of the C-shaped sleeve and is matched with the structure of the C-shaped cavity, the T-shaped joint sleeve can be installed on the end face of the pipe gallery, the anchoring rib bolt is coaxially arranged inside the T-shaped joint sleeve and is rotatably connected with the T-shaped joint sleeve, the T-shaped joint bolt is rotatably connected with the T-shaped joint, the threaded ends of the T-shaped joint bolt and the anchoring rib bolt are adjacently arranged, the thread screwing directions are opposite, and two ends of the worm gear nut are respectively sleeved at the threaded ends of the T-shaped joint bolt and the anchoring rib bolt and are in threaded connection; and a driving structure for driving the worm gear and the nut to rotate is arranged on the T-shaped joint sleeve.
Preferably, be connected with C shape sleeve anchor pole on the C shape sleeve, C shape sleeve anchor pole can bury in the tip of piping lane.
Preferably, be connected with the joint anchor bar on the T shape connects the sleeve, connect the anchor bar and can bury underground in the tip of piping lane.
Preferably, the driving structure comprises a first worm rotatably connected with the T-shaped joint sleeve, the first worm is rotatably connected with the T-shaped joint sleeve, and an external thread in fit connection with the threaded part of the first worm is arranged on the outer surface of the worm wheel nut.
Preferably, the T-joint sleeve is provided with a first worm hole for mounting the first worm, and the first worm is rotatably connected at the first worm hole.
Preferably, the T-shaped joint is of a wedge-shaped structure, a wedge surface matched with the wedge-shaped part of the T-shaped joint is arranged in the C-shaped cavity of the C-shaped sleeve, and inverted teeth which are meshed with each other and can prevent falling are arranged on the wedge surfaces of the T-shaped joint and the C-shaped cavity.
The invention also provides a pipe gallery, which comprises a pipe gallery body, wherein the end surfaces of the two ends of the pipe gallery body are respectively provided with the male head and the female head of the adjustable wedge type fastening joint for the assembled pipe gallery.
Preferably, the C-shaped sleeve protrudes from the end face of the pipe gallery body, and the T-shaped joint protrudes from the end face of the pipe gallery body.
Preferably: the driving structure comprises a first worm which is rotationally connected with the T-shaped joint sleeve, the first worm is rotationally connected with the T-shaped joint sleeve, and the outer surface of the worm wheel nut is provided with an external thread which is in adaptive connection with the thread part of the first worm;
the first worm is exposed on the end face of the pipe gallery body.
The assembly method of the pipe gallery comprises the following processes:
place first piping lane hoist and mount in place, hoist second piping lane to the one end of first piping lane, the T shape that makes second piping lane connects and is located the telescopic top of first piping lane C shape, then continue to let the whereabouts of second piping lane, the T shape that makes second piping lane connects inserts in the first piping lane C shape sleeve, in the insertion process, adjust the drive structure, make the worm gear nut rotate, adjust the distance between anchor muscle bolt and the T shape joint bolt, and then the distance between first piping lane and the second piping lane can be adapted to the amount that stretches out that makes the T shape connect, it is stable until second piping lane lays, rethread adjustment drive structure, make the worm gear nut rotate, and then make the distance between anchor muscle bolt and the T shape joint bolt shorten, connect the fastening until T shape connects and C shape between the sleeve, realize the assembly between two piping lanes.
The invention has the following beneficial effects:
the adjustable wedge type fastening joint can be used for an assembled pipe gallery, the T-shaped joint can be inserted into a C-shaped cavity of a C-shaped sleeve and is matched with the structure of the C-shaped cavity, so that the T-shaped joint and the C-shaped sleeve can be used for realizing the connection between a male head and a female head, and the connection form of the male head and the female head ensures that when two pipe gallery bodies are connected, when one pipe gallery body is placed in place, the other pipe gallery body is directly hoisted and slowly falls down, so that the T-shaped joint on the pipe gallery body is inserted into the C-shaped cavity of the C-shaped sleeve on the well-placed pipe gallery body, and the connection between the two pipe gallery bodies can be realized, thereby avoiding the problem that the pipe gallery needs to be translated when the two pipe galleries are connected in the prior art, and because the pipe gallery is heavy in weight, the horizontal movement is not easy and difficult to operate; the T-shaped joint bolt and the anchoring rib bolt are adjacently arranged at the thread ends and have opposite thread turning directions, so that the T-shaped joint bolt and the anchoring rib bolt can be close to or far away from each other when the worm gear nut rotates, the distance extending out of the T-shaped joint can be adjusted, the T-shaped joint can adapt to the distance change between two adjacent pipe gallery bodies, after the two pipe gallery bodies are connected, the worm gear nut rotates by adjusting the driving structure, the distance between the anchoring rib bolt and the T-shaped joint bolt is further shortened until the T-shaped joint and the C-shaped sleeve are connected and fastened, and the fastening assembly between the two pipe galleries is realized; in conclusion, the invention can effectively solve the problem that the assembly position is not easy to adjust, and simultaneously solve the problem of front and back looseness between pipe sections.
Drawings
FIG. 1(a) is a schematic view of a first structure of an adjustable wedge fastening joint (the male and female ends are not connected) according to an embodiment of the present invention;
FIG. 1(b) is a schematic diagram illustrating an exploded view of a male member of an adjustable wedge fastening connector according to an embodiment of the present invention;
FIG. 1(c) is a schematic view of a first structure of a male member of an adjustable wedge fastening connector according to an embodiment of the present invention;
FIG. 1(d) is a schematic view of a second structure of a male member of an adjustable wedge fastening connector according to an embodiment of the present invention;
FIG. 1(e) is a schematic structural view of a connection between a male portion and a female portion of an adjustable wedge-type fastening joint according to an embodiment of the present invention;
FIG. 1(f) is a longitudinal cross-sectional view of a female end of an adjustable wedge fastening joint in an embodiment of the present invention;
FIG. 2(a) is a first schematic view of the principle of an adjustable wedge-type fastening joint according to an embodiment of the present invention (fine adjustment of the length of the male portion);
FIG. 2(b) is a schematic diagram illustrating the movement trend of a T-shaped joint bolt and an anchoring rib bolt when the adjustable wedge-type fastening joint male head is finely adjusted according to the embodiment of the invention;
FIG. 2(c) is a schematic view of a male and female opposing male and female portions of an adjustable wedge fastening coupler according to an embodiment of the present invention;
figure 3 is a schematic view of the installation process of the pipe gallery of the present invention.
Wherein: the pipe gallery comprises a 1-T-shaped toothed joint, a 2-T-shaped joint sleeve, a 3-T-shaped joint bolt, a 4-worm gear nut, a 5-anchoring rib bolt, a 6-joint anchoring rib, a 7-C-shaped sleeve, a 7-1-C-shaped sleeve anchoring rod, an 8-toothed wedge and a 9-pipe gallery body.
Detailed Description
The invention is further described below with reference to the figures and examples.
As shown in fig. 1(a) -2 (C), the adjustable wedge-type fastening joint for an assembled pipe gallery of the present invention includes a male head and wood, the female head includes a C-shaped sleeve 7 and a C-shaped sleeve anchoring rod 7-1, the C-shaped sleeve anchoring rod 7-1 is embedded in the right end face of the pipe gallery body in the orientation shown in fig. 3 as an example, the C-shaped sleeve 7 has a C-shaped cavity, the opening of the C-shaped cavity penetrates through the side wall of the C-shaped sleeve 7, the opening on the right side wall of the C-shaped sleeve 7 is the opening of the C-shaped cavity in the orientation shown in fig. 1(a) as an example, and the opening on the upper side of the C-shaped sleeve 7 is the entrance of the T-shaped joint; referring to fig. 1(a) -1 (e), the male head of the adjustable wedge-type fastening joint 5 comprises a T-shaped joint, a T-shaped joint sleeve 2, a T-shaped joint bolt 3, a worm gear nut 4, an anchoring rib bolt 5 and a joint anchor bar 6, the T-shaped joint can be inserted into the C-shaped cavity of the C-shaped sleeve 7 from top to bottom and is matched with the structure of the C-shaped cavity, the T-shaped joint sleeve 2 is installed at the left end of the joint anchor bar 6, the anchoring rib bolt 5 is coaxially arranged inside the T-shaped joint sleeve 2 and is rotatably connected with the T-shaped joint sleeve 2, the T-shaped joint bolt 3 is rotatably connected with the T-shaped joint, the two rotatably connected parts have a proper gap, so that the anchoring rib bolt 5 and the T-shaped joint bolt 3 have space movement, and thus the anchoring rib bolt 5 and the T-shaped joint bolt 3 are connected without having good internal stress caused by processing or assembly errors, the internal stress is prevented from causing the two to be not connected or the connection is not easy to connect in place, and even if the two are connected in place in a hard mode, the parts can be damaged. The T-shaped joint bolt 3 and the anchoring rib bolt 5 are adjacently arranged at the thread ends, the thread turning directions are opposite, and the two ends of the worm wheel nut 4 are respectively sleeved at the thread ends of the T-shaped joint bolt 3 and the anchoring rib bolt 5 and are in threaded connection, so that when the worm wheel nut 4 is rotated, the T-shaped joint bolt 3 and the anchoring rib bolt 5 are close to or far away from each other, and the fine adjustment of the length of the whole male head is realized to adapt to field installation; specifically, when the assembly, see fig. 2(b), can be earlier connected with anchor muscle bolt 5 with the right-hand member that rotates worm gear nut 4, the left end top that rotates worm gear nut 4 with T-joint bolt 3 again, when rotatory rotation worm gear nut 4, it can continue to remove to anchor muscle bolt 5's direction to rotate worm gear nut 4, the left end of the right-hand member screw in of T-joint bolt 3 rotates worm gear nut 4 simultaneously, realize and be connected of rotating worm gear nut 4, continue rotatory rotation worm gear nut 4, just can adjust the distance between T-joint bolt 3 and anchor muscle bolt 5, thereby realize the regulation of whole public head length. Be equipped with on the T shape and connect sleeve 2 and be used for driving worm gear nut 4 pivoted drive structure, the T shape connects protrusion in the left end face of piping lane body 9, and C shape sleeve 7 exposes out in the right-hand member face of piping lane body 9. Specifically, referring to fig. 2(a) and 2(b), the driving structure includes a first worm rotatably connected to the T-shaped joint sleeve 2, the first worm is rotatably connected to the T-shaped joint sleeve 2, and an external thread adapted to the threaded portion of the first worm is disposed on an outer surface of the worm wheel nut 4. The T-shaped joint sleeve 2 is provided with a first worm hole for mounting a first worm, and the first worm is rotatably connected with the first worm hole. Referring to fig. 1(a), 1(e) and 1(f), the T-shaped joint is a wedge-shaped structure, a wedge-shaped surface adapted to the wedge-shaped portion of the T-shaped joint is arranged in the C-shaped cavity of the C-shaped sleeve 7, and inverted teeth which are engaged with each other and can prevent falling are arranged on the wedge-shaped surfaces of the T-shaped joint and the C-shaped cavity. The wedge structure of this department can make and connect inseparabler after connecting between public head and the female head, and the rigidity is good, can also the anticreep, and overall structure is more stable.
The pipe rack disclosed by the invention comprises a pipe rack body 9, wherein the end surfaces of the left end and the right end of the pipe rack body 9 are respectively provided with a male joint and a female joint of an adjustable wedge type fastening joint which can be used for an assembled pipe rack, two vertical edges of the right end of the pipe rack body 9 are respectively provided with two C-shaped sleeves 7, and two vertical edges of the left end of the pipe rack body 9 are respectively provided with two T-shaped toothed joints. C shape sleeve 7 salient in the right-hand member face of piping lane body 9, T shape connects and first worm protrusion in the left end face of piping lane body 9.
The assembly method of the pipe gallery comprises the following processes:
the method comprises the following steps of hoisting a first pipe gallery (a pipe gallery on the left side in figure 3) to be in place, hoisting a second pipe gallery (a pipe gallery on the right side in figure 3) to the right end of the first pipe gallery, enabling a T-shaped joint of the second pipe gallery to be located above a C-shaped sleeve 7 of the first pipe gallery, then continuing to enable the second pipe gallery to fall down, enabling the T-shaped joint of the second pipe gallery to be inserted into the C-shaped sleeve 7 of the first pipe gallery, adjusting a first worm in the inserting process, enabling a worm gear nut 4 to rotate, adjusting the distance between an anchoring rib bolt 5 and a T-shaped joint bolt 3, enabling the extending amount of each T-shaped joint to be suitable for the distance between the first pipe gallery and the second pipe gallery, enabling the anchoring rib bolt 5 and the T-shaped joint bolt 3 to rotate by adjusting the first worm, and enabling the distance between the anchoring rib bolt 5 and the T-shaped joint bolt 3 to be shortened until the T-shaped joint and the C-shaped sleeve 7 are connected and fastened, then realized the assembly between two piping lane, if need splice a plurality of piping lane, the installation of following piping lane is the same with the installation of above-mentioned second piping lane, and it is no longer repeated here.
Claims (10)
1. An adjustable wedge type fastening joint for an assembled pipe gallery is characterized by comprising a male head and a female head, wherein the female head comprises a C-shaped sleeve (7), and the C-shaped sleeve (7) can be arranged on the end surface of the pipe gallery; the C-shaped sleeve (7) is provided with a C-shaped cavity, and an opening of the C-shaped cavity penetrates through the side wall of the C-shaped sleeve (7);
the male head comprises a T-shaped joint, a T-shaped joint sleeve (2), a T-shaped joint bolt (3), a worm wheel nut (4) and an anchoring rib bolt (5), the T-shaped joint can be inserted into a C-shaped cavity of a C-shaped sleeve (7) and is matched with the structure of the C-shaped cavity, the T-shaped joint sleeve (2) can be installed on the end face of the pipe gallery, the anchoring rib bolt (5) is coaxially arranged inside the T-shaped joint sleeve (2) and is rotationally connected with the T-shaped joint sleeve (2), the T-shaped joint bolt (3) is rotationally connected with the T-shaped joint, the T-shaped joint bolt (3) and the anchoring rib bolt (5) are adjacently arranged at the threaded ends, the thread turning directions are opposite, and the two ends of the worm wheel nut (4) are respectively sleeved on the threaded ends of the T-shaped joint bolt (3) and the anchoring rib bolt (5) and are in threaded connection; the T-shaped joint sleeve (2) is provided with a driving structure for driving the worm gear and the screw cap (4) to rotate.
2. An adjustable wedge-type fastening joint applicable to fabricated pipe galleries according to claim 1, characterized in that C-shaped sleeve anchor rods (7-1) are connected to the C-shaped sleeves (7), and the C-shaped sleeve anchor rods (7-1) can be embedded in the ends of the pipe galleries.
3. An adjustable wedge-type fastening joint applicable to fabricated pipe galleries according to claim 1, characterised in that joint anchor bars (6) are attached to the T-joint sleeves (2), and the joint anchor bars (6) can be embedded at the ends of the pipe galleries.
4. An adjustable wedge-type fastening joint for assembled pipe galleries according to claim 1, characterized in that the driving means comprise a first worm rotatably connected to the T-joint sleeve (2), the first worm being rotatably connected to the T-joint sleeve (2), the outer surface of the worm wheel nut (4) being provided with an external thread adapted to the threaded portion of the first worm.
5. An adjustable wedge-type fastening joint for fabricated pipe galleries according to claim 1, characterized in that the T-shaped joint socket (2) is provided with a first worm hole for mounting a first worm, which is rotatably connected at the first worm hole.
6. An adjustable wedge-type fastening joint for an assembled pipe gallery according to claim 1, wherein the T-shaped joint is of a wedge-shaped structure, a wedge surface matched with the wedge portion of the T-shaped joint is arranged in the C-shaped cavity of the C-shaped sleeve (7), and inverted teeth which are meshed with each other and can prevent falling are arranged on the wedge surfaces of the T-shaped joint and the C-shaped cavity.
7. A pipe rack, characterized in that, comprises a pipe rack body (9), the end surfaces of the two ends of the pipe rack body (9) are respectively provided with the male head and the female head of the adjustable wedge type fastening joint which can be used for the assembled pipe rack, as claimed in any one of claims 1 to 6.
8. A pipe rack according to claim 7, characterized in that the C-shaped sleeves (7) protrude from the end faces of the pipe rack body (9) and the T-joints protrude from the end faces of the pipe rack body (9).
9. A tube lane according to claim 7, characterized in that:
the driving structure comprises a first worm which is rotationally connected with the T-shaped joint sleeve (2), the first worm is rotationally connected with the T-shaped joint sleeve (2), and the outer surface of the worm wheel nut (4) is provided with an external thread which is in adaptive connection with the thread part of the first worm;
the first worm is exposed on the end surface of the pipe gallery body (9).
10. Method for assembling a pipe gallery according to any of claims 7-9, characterized in that it comprises the following steps:
the method comprises the steps of hoisting a first pipe gallery to be placed in place, hoisting a second pipe gallery to one end of the first pipe gallery, enabling a T-shaped joint of the second pipe gallery to be located above a C-shaped sleeve (7) of the first pipe gallery, continuing to enable the second pipe gallery to fall, enabling a T-shaped joint of the second pipe gallery to be inserted into the C-shaped sleeve (7) of the first pipe gallery, adjusting a driving structure in the inserting process, enabling a worm gear nut (4) to rotate, adjusting the distance between an anchoring rib bolt (5) and a T-shaped joint bolt (3), enabling the extending amount of the T-shaped joint to be suitable for the distance between the first pipe gallery and the second pipe gallery, enabling the T-shaped joint and the C-shaped sleeve (7) to be connected and fastened until the second pipe gallery is stably placed, adjusting the driving structure, enabling the worm gear nut (4) to rotate, further enabling the distance between the anchoring rib bolt (5) and the T-shaped joint bolt (3) to be shortened, the assembly between the two pipe galleries is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210320749.9A CN114541478A (en) | 2022-03-29 | 2022-03-29 | Adjustable wedge type fastening joint applicable to assembly type pipe gallery, pipe gallery and assembly method of pipe gallery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210320749.9A CN114541478A (en) | 2022-03-29 | 2022-03-29 | Adjustable wedge type fastening joint applicable to assembly type pipe gallery, pipe gallery and assembly method of pipe gallery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114541478A true CN114541478A (en) | 2022-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210320749.9A Pending CN114541478A (en) | 2022-03-29 | 2022-03-29 | Adjustable wedge type fastening joint applicable to assembly type pipe gallery, pipe gallery and assembly method of pipe gallery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114541478A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001323788A (en) * | 2000-05-15 | 2001-11-22 | Kajima Corp | Segment joint apparatus |
| JP2004293172A (en) * | 2003-03-27 | 2004-10-21 | Kajima Corp | Joint structure of segment |
| CN2793495Y (en) * | 2005-03-10 | 2006-07-05 | 沈少华 | Multifunctional flexible joint |
| CN201169769Y (en) * | 2008-03-17 | 2008-12-24 | 周兆弟 | Multi-head rapid forced pull butt-joint fastener and prefabricated part |
| CN105569676A (en) * | 2016-03-02 | 2016-05-11 | 袁江 | Slide type inserting part, prefabricated concrete pipe gallery and shield segment |
| CN215053986U (en) * | 2021-03-04 | 2021-12-07 | 筑友智造科技产业集团有限公司 | Assembly type connecting assembly and assembly type connecting node |
-
2022
- 2022-03-29 CN CN202210320749.9A patent/CN114541478A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001323788A (en) * | 2000-05-15 | 2001-11-22 | Kajima Corp | Segment joint apparatus |
| JP2004293172A (en) * | 2003-03-27 | 2004-10-21 | Kajima Corp | Joint structure of segment |
| CN2793495Y (en) * | 2005-03-10 | 2006-07-05 | 沈少华 | Multifunctional flexible joint |
| CN201169769Y (en) * | 2008-03-17 | 2008-12-24 | 周兆弟 | Multi-head rapid forced pull butt-joint fastener and prefabricated part |
| CN105569676A (en) * | 2016-03-02 | 2016-05-11 | 袁江 | Slide type inserting part, prefabricated concrete pipe gallery and shield segment |
| CN215053986U (en) * | 2021-03-04 | 2021-12-07 | 筑友智造科技产业集团有限公司 | Assembly type connecting assembly and assembly type connecting node |
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