CN117365546A - Novel socket type duct piece and assembling method - Google Patents
Novel socket type duct piece and assembling method Download PDFInfo
- Publication number
- CN117365546A CN117365546A CN202311566868.3A CN202311566868A CN117365546A CN 117365546 A CN117365546 A CN 117365546A CN 202311566868 A CN202311566868 A CN 202311566868A CN 117365546 A CN117365546 A CN 117365546A
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- China
- Prior art keywords
- duct piece
- socket
- connecting duct
- piece
- inner ring
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 7
- 238000001179 sorption measurement Methods 0.000 claims description 7
- 238000010276 construction Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- E21D11/04—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)
- Architecture (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a novel socket pipe piece and an assembling method, and belongs to the field of tunnel engineering construction. The grouting device comprises a connecting duct piece, wherein the connecting duct piece is arc-shaped, and a reserved grouting hole is formed in the connecting duct piece; one or two ends of the end part of the connecting duct piece are provided with a socket inner ring and a sliding-in groove; a socket clamp is arranged in the sliding-in type groove and is matched with the socket inner ring; one side of the connecting duct piece is provided with a connecting hole, and the other side of the connecting duct piece is provided with an inserting type connecting piece which is suitable for being inserted into the connecting hole and sealing the connecting hole. The invention solves the technical problems of low structural rigidity, high joint deformation control difficulty and affected pipe piece waterproof system caused by the existence of bolt holes in the prior art.
Description
Technical Field
The invention provides a novel socket pipe piece and an assembling method, and belongs to the field of tunnel engineering construction.
Background
The shield method is a fully mechanized construction method in the construction of the undermining method, which is a mechanized construction method for pushing shield machinery in the ground, preventing surrounding rocks around a shield shell and a duct piece support from collapsing into a tunnel, excavating soil body in front of an excavating face by a cutting device, transporting out of the tunnel by an earth-discharging machine, pressurizing and jacking at the rear part by a jack, and splicing precast concrete duct pieces to form a tunnel structure.
At present, the domestic shield tunnel structure basically adopts reinforced concrete pipe sheets to be matched with bolts, and the pipe sheets are spliced and connected by different types of bolts. This approach has the following problems:
1) The structural rigidity is low, and the joint deformation control difficulty is high;
2) The labor intensity is high, and the mechanization degree is low;
3) Due to the existence of the bolt holes, the pipe piece waterproof system is affected.
Therefore, the novel socket pipe piece and the assembling method provided by the invention are provided to solve the problems.
Disclosure of Invention
In order to solve the technical problems, the inventor obtains the technical proposal of the invention through practice and summary, and the invention discloses the basic conception of the technical proposal adopted in order to solve the technical problems is as follows:
the novel socket joint type duct piece comprises a connecting duct piece, wherein the connecting duct piece is arc-shaped, and a reserved grouting hole is formed in the connecting duct piece;
one or two ends of the end part of the connecting duct piece are provided with a socket inner ring and a sliding-in groove;
a socket clamp is arranged in the sliding-in type groove and is matched with the socket inner ring;
one side of the connecting duct piece is provided with a connecting hole, and the other side of the connecting duct piece is provided with an inserting type connecting piece which is suitable for being inserted into the connecting hole and sealing the connecting hole.
In a further technical scheme, the reserved grouting holes are provided with two groups of intelligent adsorption blocks, and three groups of connecting holes are formed outside the connecting pipe piece.
In a further technical scheme, the plug-in type connecting piece comprises an embedded sleeve, a lining ring, a connecting screw sleeve and built-in reinforced steel bars, wherein the lining ring is arranged outside the embedded sleeve, the embedded sleeve and the lining ring are both sleeved at the outer end of the connecting screw sleeve, the built-in reinforced steel bars are arranged in the connecting screw sleeve, and the built-in reinforced steel bars are equal to the connecting screw sleeve in length.
In a further technical scheme, the socket inner ring comprises a first mounting plate, first embedded bars and an inner ring head, one side of the first mounting plate is fixedly connected with the first embedded bars, and the other side of the first mounting plate is fixedly connected with the inner ring head;
the socket clamp comprises a mounting plate II, embedded bars II and a clamping plate, wherein one side of the mounting plate II is fixedly connected with the embedded bars II, and the other side of the mounting plate II is fixedly connected with the clamping plate;
the clamping opening plate is internally provided with a clamping opening, and the end part of the inner ring head is suitable for being installed in the clamping opening.
In a further technical scheme, the clamping opening plate is made of rubber, the inner ring head comprises a mounting plate and a front ring, the mounting plate is fixedly connected with the front ring, and the front ring is arranged in the clamping opening;
the mounting plate is provided with an arc-shaped part, and the arc-shaped part is abutted against the clamping opening plate.
A novel splicing method of socket pipes comprises the following steps:
step 1, arranging a socket inner ring on one side of a longitudinal contact surface of a connecting duct piece, wherein the socket inner ring protrudes out of the longitudinal contact surface of the connecting duct piece and is socket-type meshed with a socket clamp on another spliced connecting duct piece; the other side is provided with a socket clamp in the sliding-in type groove, and the socket clamp is flush with the longitudinal contact surface of the connecting duct piece in the sliding-in type groove;
step 2, arranging 3 annular inserting devices consisting of embedded sleeves, lining rings, connecting screw sleeves and built-in reinforcing steel bars on the annular contact surfaces of the connecting duct pieces;
step 3, retracting the jack in the shield machine according to the segment dividing position of the connecting segment to form an assembling space;
step 4, conveying the connecting duct piece to the lower part of the splicing machine through a ground conveying belt of the shield machine, adsorbing the connecting duct piece by using a rocking handle suction head of the splicing machine through an intelligent adsorption block in the center of the connecting duct piece, and moving and rotating to the splicing position; the longitudinal and circumferential staggering is controlled within 0.5mm through an intelligent positioning system, and the connecting pipe piece is pushed into place by a pushing cylinder of the splicing machine;
step 5, placing the first connecting duct piece;
step 6, placing a second connecting duct piece longitudinally, so that the socket inner rings and socket fixtures on the longitudinal contact surfaces of the two connecting duct pieces respectively push the end parts of one side of the connecting duct piece into the sliding grooves to finish longitudinal joint connection;
step 7, sequentially installing longitudinal connecting duct pieces according to the steps until the top sealing blocks are assembled; the sealing block is firstly overlapped in the circumferential direction for 1/3, and is longitudinally inserted into the grooves on the two sides of the sealing block, so that the socket inner ring and the socket clamp are clamped, the sealing block is pushed in place, the whole ring assembly is completed, and a lining whole ring segment is formed;
step 8, sequentially placing the connecting duct pieces along the circumferential direction, so that three circumferential inserting devices consisting of the embedded sleeve, the lining ring, the connecting screw sleeve and the built-in reinforced steel bars on the circumferential contact surfaces of the two connecting duct pieces fasten the joint in a pushing and pressing mode;
and 9, splicing the connecting segments longitudinally and circularly, and splicing the rest connecting segments sequentially.
The beneficial effects are that: the novel socket pipe piece and the splicing method adopt a mode of longitudinal bolt and annular insertion, so that the pipe piece splicing and accurate positioning of the tunnel lining structure are realized, and the effect of efficient construction is achieved. The socket pipe piece has good forming quality, reduces secondary grouting perforating and saves perforating cost. The intelligent assembling process has high mechanization degree, reduces the labor investment in assembling, improves the in-hole assembling operation environment, has remarkable achievement, has good demonstration effect, ensures the forming quality of the socket type duct pieces, and has good popularization value.
1) The joint of the annular duct piece of the whole tunnel is compact, and the waterproof and impervious performances of the tunnel with the inner cambered surface without hand holes are enhanced;
2) The annular duct piece has novel structure, stronger rigidity and higher prefabrication and assembly precision;
3) The annular duct piece is pushed in place at one time, a manual bolt installing link is omitted, the construction convenience and efficiency are greatly improved, and the automatic development trend is met;
4) And Du Juehou, the bolts are rusted, the hand holes leak water and are damaged, the potential safety hazards of later operation are reduced, and the operation and maintenance cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort.
FIG. 1 is a schematic view of a connection structure of a plurality of connection segments according to the present invention;
FIG. 2 is a schematic view of a connector segment according to the present invention;
FIG. 3 is a schematic view of a male connector of the present invention;
FIG. 4 is a block diagram of the connection of the female inner ring to the female clamp of the present invention.
In the figure: 1. connecting duct pieces; 2. a male connector; 3. reserving grouting holes; 4. an intelligent adsorption block; 5. a socket inner ring; 6. a socket clamp; 7. slide-in grooves; 51. a first mounting plate; 52. embedding a first reinforcing steel bar; 53. an inner ring head; 61. a second mounting plate; 62. embedding reinforcing steel bars II; 63. a clamping plate; 12. embedding a sleeve; 13. a collar; 14. connecting a screw sleeve; 15. built-in reinforced steel bars; 16. and a connection hole.
Detailed Description
The present invention will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The principles of the invention will be further described with reference to the drawings and specific examples.
Example 1
As shown in fig. 1 to 4, is an embodiment of the present invention. The novel socket joint type duct piece comprises a connecting duct piece 1, wherein the connecting duct piece 1 is arc-shaped, and a reserved grouting hole 3 is formed in the connecting duct piece 1;
one or two ends of the end part of the connecting duct piece 1 are provided with a socket inner ring 5 and a slide-in groove 7;
a socket clamp 6 is arranged in the slide-in groove 7, and the socket clamp 6 is matched with the socket inner ring 5;
the connecting segment 1 is provided with a connecting hole 16 on one side and a plug-in connector 2 on the other side, and the plug-in connector 2 is suitable for being inserted into the connecting hole 16 and sealing the connecting hole 16.
As shown in fig. 2, the reserved grouting holes 3 are provided with two groups and an intelligent adsorption block 4 is arranged between the two groups, and three groups of connecting holes 16 are arranged outside the connecting duct piece 1.
As shown in fig. 3, the plug-in connector 2 includes a pre-buried sleeve 12, a lining ring 13, a connecting screw sleeve 14 and a built-in reinforced steel bar 15, the lining ring 13 is arranged outside the pre-buried sleeve 12, the pre-buried sleeve 12 and the lining ring 13 are both sleeved at the outer end of the connecting screw sleeve 14, the built-in reinforced steel bar 15 is installed inside the connecting screw sleeve 14, and the built-in reinforced steel bar 15 is equal in length with the connecting screw sleeve 14.
As shown in fig. 4, the socket inner ring 5 includes a first mounting plate 51, a first embedded bar 52 and an inner ring head 53, one side of the first mounting plate 51 is fixedly connected with the first embedded bar 52, and the other side of the first mounting plate 51 is fixedly connected with the inner ring head 53; the socket clamp 6 comprises a second mounting plate 61, a second embedded bar 62 and a clamping plate 63, wherein one side of the second mounting plate 61 is fixedly connected with the second embedded bar 62, and the other side of the second mounting plate 61 is fixedly connected with the clamping plate 63;
a nip is provided in the nip plate 63, and the end of the inner ring head 53 is adapted to be fitted in the nip. The clamping opening plate 63 is made of rubber, the inner ring head 53 comprises a mounting plate and a front ring, the mounting plate is fixedly connected with the front ring, and the front ring is arranged in the clamping opening; an arc portion is provided on the mounting plate, and the arc portion is abutted against the clamping plate 63.
A novel splicing method of socket pipes comprises the following steps:
step 1, a socket inner ring 5 is arranged on one side of a longitudinal contact surface of a connecting duct piece 1, and the socket inner ring 5 protrudes out of the longitudinal contact surface of the connecting duct piece 1 and is in socket engagement with a socket clamp 6 on the other spliced connecting duct piece 1; the other side is provided with a socket clamp 6 in the sliding-in groove 7, and the socket clamp 6 is flush with the longitudinal contact surface of the connecting duct piece 1 in the sliding-in groove 7;
step 2, arranging 3 annular inserting devices consisting of an embedded sleeve 12, a lining ring 13, a connecting screw sleeve 14 and a built-in reinforced steel bar 15 on the annular contact surface of the connecting duct piece 1;
step 3, retracting the jack in the shield tunneling machine according to the blocking position of the connecting segment 1 to form an assembling space;
step 4, conveying the connecting duct piece 1 to the lower part of the splicing machine through a ground conveyor belt of the shield machine, adsorbing the connecting duct piece 1 by using a rocking handle suction head of the splicing machine through an intelligent adsorption block 4 in the center of the connecting duct piece 1, and moving and rotating to an splicing position; the longitudinal and circumferential staggering is controlled within 0.5mm through an intelligent positioning system, and the connecting pipe piece 1 is pushed into place by a pushing cylinder of the splicing machine;
step 5, placing the first connecting duct piece 1;
step 6, placing the second connecting duct piece 1 longitudinally, so that the socket inner rings 5 and the socket clamps 6 on the longitudinal contact surfaces of the two connecting duct pieces 1 respectively push the sliding-in grooves 7 with the end parts of one side of the connecting duct piece 1 to finish longitudinal joint connection;
step 7, sequentially installing the longitudinal connecting duct pieces 1 according to the steps until the top sealing blocks are assembled; the sealing block is firstly overlapped in the circumferential direction by 1/3, and is longitudinally inserted into the two side sliding-in grooves 7, so that the socket inner ring 5 and the socket clamp 6 are clamped, the sealing block is pushed in place, the whole ring assembly is completed, and a lining whole ring segment is formed;
step 8, sequentially placing the connecting duct pieces 1 along the circumferential direction, so that three circumferential inserting devices consisting of the embedded sleeve 12, the lining ring 13, the connecting screw sleeve 14 and the built-in reinforced steel bar 15 on the circumferential contact surfaces of the two connecting duct pieces 1 fasten the joint in a pushing mode;
and 9, splicing the connecting duct pieces 1 longitudinally and circularly, and splicing the rest connecting duct pieces 1 in sequence. The novel socket pipe piece and the splicing method adopt a mode of longitudinal bolt and annular insertion, so that the pipe piece splicing and accurate positioning of the tunnel lining structure are realized, and the effect of efficient construction is achieved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. The novel socket joint type duct piece is characterized by comprising a connecting duct piece, wherein the connecting duct piece is arc-shaped, and a reserved grouting hole is formed in the connecting duct piece;
one or two ends of the end part of the connecting duct piece are provided with a socket inner ring and a sliding-in groove;
a socket clamp is arranged in the sliding-in type groove and is matched with the socket inner ring;
one side of the connecting duct piece is provided with a connecting hole, and the other side of the connecting duct piece is provided with an inserting type connecting piece which is suitable for being inserted into the connecting hole and sealing the connecting hole.
2. The novel socket-type duct piece of claim 1, wherein two groups of reserved grouting holes are arranged, an intelligent adsorption block is arranged between the reserved grouting holes, and three groups of connecting holes are arranged outside the connecting pipe piece.
3. The novel socket-and-spigot joint section of jurisdiction according to claim 2, wherein the plug-in connector comprises a pre-buried sleeve, a lining ring, a connecting screw sleeve and built-in reinforcing steel bars, the lining ring is arranged outside the pre-buried sleeve, the pre-buried sleeve and the lining ring are both sleeved at the outer end of the connecting screw sleeve, the built-in reinforcing steel bars are arranged in the connecting screw sleeve, and the built-in reinforcing steel bars are equal to the connecting screw sleeve in length.
4. The novel socket joint type duct piece of claim 2, wherein the socket joint inner ring comprises a first mounting plate, a first embedded bar and an inner ring head, one side of the first mounting plate is fixedly connected with the first embedded bar, and the other side of the first mounting plate is fixedly connected with the inner ring head;
the socket clamp comprises a mounting plate II, embedded bars II and a clamping plate, wherein one side of the mounting plate II is fixedly connected with the embedded bars II, and the other side of the mounting plate II is fixedly connected with the clamping plate;
the clamping opening plate is internally provided with a clamping opening, and the end part of the inner ring head is suitable for being installed in the clamping opening.
5. The novel socket joint type duct piece of claim 2, wherein the clamping opening plate is made of rubber, the inner ring head comprises a mounting plate and a front ring, the mounting plate is fixedly connected with the front ring, and the front ring is arranged in the clamping opening;
the mounting plate is provided with an arc-shaped part, and the arc-shaped part is abutted against the clamping opening plate.
6. A method of assembling a new socket pipe according to claim 5, comprising the steps of:
step 1, arranging a socket inner ring on one side of a longitudinal contact surface of a connecting duct piece, wherein the socket inner ring protrudes out of the longitudinal contact surface of the connecting duct piece and is socket-type meshed with a socket clamp on another spliced connecting duct piece; the other side is provided with a socket clamp in the sliding-in type groove, and the socket clamp is flush with the longitudinal contact surface of the connecting duct piece in the sliding-in type groove;
step 2, arranging 3 annular inserting devices consisting of embedded sleeves, lining rings, connecting screw sleeves and built-in reinforcing steel bars on the annular contact surfaces of the connecting duct pieces;
step 3, retracting the jack in the shield machine according to the segment dividing position of the connecting segment to form an assembling space;
step 4, conveying the connecting duct piece to the lower part of the splicing machine through a ground conveying belt of the shield machine, adsorbing the connecting duct piece by using a rocking handle suction head of the splicing machine through an intelligent adsorption block in the center of the connecting duct piece, and moving and rotating to the splicing position; the longitudinal and circumferential staggering is controlled within 0.5mm through an intelligent positioning system, and the connecting pipe piece is pushed into place by a pushing cylinder of the splicing machine;
step 5, placing the first connecting duct piece;
step 6, placing a second connecting duct piece longitudinally, so that the socket inner rings and socket fixtures on the longitudinal contact surfaces of the two connecting duct pieces respectively push the end parts of one side of the connecting duct piece into the sliding grooves to finish longitudinal joint connection;
step 7, sequentially installing longitudinal connecting duct pieces according to the steps until the top sealing blocks are assembled; the sealing block is firstly overlapped in the circumferential direction for 1/3, and is longitudinally inserted into the grooves on the two sides of the sealing block, so that the socket inner ring and the socket clamp are clamped, the sealing block is pushed in place, the whole ring assembly is completed, and a lining whole ring segment is formed;
step 8, sequentially placing the connecting duct pieces along the circumferential direction, so that three circumferential inserting devices consisting of the embedded sleeve, the lining ring, the connecting screw sleeve and the built-in reinforced steel bars on the circumferential contact surfaces of the two connecting duct pieces fasten the joint in a pushing and pressing mode;
and 9, splicing the connecting segments longitudinally and circularly, and splicing the rest connecting segments sequentially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311566868.3A CN117365546A (en) | 2023-11-23 | 2023-11-23 | Novel socket type duct piece and assembling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311566868.3A CN117365546A (en) | 2023-11-23 | 2023-11-23 | Novel socket type duct piece and assembling method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117365546A true CN117365546A (en) | 2024-01-09 |
Family
ID=89393054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311566868.3A Pending CN117365546A (en) | 2023-11-23 | 2023-11-23 | Novel socket type duct piece and assembling method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117365546A (en) |
-
2023
- 2023-11-23 CN CN202311566868.3A patent/CN117365546A/en active Pending
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