CN218669387U - Contact channel segment and contact channel - Google Patents

Abstract

The utility model discloses a connection channel segment and connection channel, wherein, the segment is of a bilateral symmetry structure, the central angle is 180 degrees, two splicing end faces and two splicing side faces of the segment are provided with sealing grooves which are connected with each other to form a closed structure, a water-stopping rubber ring is fixed in the sealing groove, two to four groups of hoisting holes are uniformly distributed on the outer circular face of the segment, a plurality of connecting holes are arranged on the two splicing side faces of the segment, and the connecting holes are socket holes or bent bolt holes; when the connecting hole is a socket hole, a socket sleeve is pre-buried in the connecting hole; the connecting channel is formed by splicing the pipe pieces, the pipe sections of the connecting channel are formed by splicing the two pipe pieces from top to bottom, and the splicing end faces of the two adjacent pipe sections are staggered. The utility model discloses section of jurisdiction production and processing are convenient, and adjacent tube coupling concatenation is convenient, adopts the socket joint formula to link, can be used for automatic assembly, and the commonality can be good, has also guaranteed hoist and mount and transportation security simultaneously and has improved the efficiency of construction of contact passageway.

Description

Contact channel segment and contact channel

Technical Field

The utility model belongs to the technical field of the tunnel construction, concretely relates to contact passageway section of jurisdiction and adopt contact passageway that the section of jurisdiction was assembled.

Background

Because the space in the tunnel is limited, the pipe joint used for connecting the channel construction by the traditional mechanical method is formed by splicing two or more concrete pipe pieces in the tunnel. The assembled tunnel structure requires that the staggered joint between the front ring pipe piece and the rear ring pipe piece which form the tunnel is assembled, therefore, in the conventional scheme, the most convenient and trouble-saving way is to assemble the whole circular pipe section which forms a ring 360 degrees by adopting the pipe pieces with different central angles (the central angles corresponding to the two pipe pieces of the most common two-piece whole circular pipe section are 210 degrees and 150 degrees), and the staggered joint assembly between the pipe sections can be realized by adjusting the sequential assembly sequence of the large pipe pieces and the small pipe pieces of the front ring pipe section and the rear ring pipe section. However, the central angle of a certain pipe section is larger than 180 degrees, the difficulty of concrete pouring and demoulding during the manufacture of the pipe piece is increased, and quality defects are easy to generate during the manufacture of the pipe piece; and the segment single piece with the central angle larger than 180 degrees has larger weight, and the narrow space in the tunnel is difficult to be matched with and install hoisting equipment with larger hoisting capacity, so the hoisting and transportation difficulty of the segment is increased, and the safety risk is increased.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the utility model provides a contact passageway section of jurisdiction for solve the problem of hoist difficulty in production, transportation and the tunnel of current two formula full circle tube section of jurisdiction and assemble the problem fast.

In order to achieve the above technical effect, the utility model discloses a technical scheme is:

a connecting channel duct piece is characterized in that the duct piece is of a bilateral symmetry structure, the central angle of the duct piece is 180 degrees, two splicing end faces and two splicing side faces of the duct piece are provided with sealing grooves which are mutually connected to form a closed structure, a water stop rubber ring is fixed in each sealing groove, two to four groups of hoisting holes are uniformly distributed in the outer circular face of the duct piece, a plurality of connecting holes are formed in the two splicing side faces of the duct piece, and the connecting holes are bent bolt holes or socket holes; when the connecting hole is a socket hole, a socket sleeve with a concave-convex anti-falling structure is pre-embedded in the connecting hole.

Furthermore, three groups of hoisting holes are arranged on the outer circular surface of the duct piece, two groups of hoisting holes are arranged on the inner circular surface of the duct piece, the two groups of hoisting holes on the inner circular surface of the duct piece and the three groups of hoisting holes on the outer circular surface of the duct piece are symmetrically arranged about the radial central plane of the duct piece, the hoisting holes are also symmetrically arranged on the circumferential central plane of the duct piece along the circumferential direction of the duct piece, and the hoisting holes on the inner circular surface and the hoisting holes on the outer circular surface are not located on the same radial plane.

Furthermore, the connecting holes are bent bolt holes, the central lines of the connecting holes are positioned on the radial surface of the pipe piece, and the connecting holes are arc-shaped and penetrate through the inner circular surface of the pipe section.

Furthermore, the connecting hole is a socket hole and is a non-through hole arranged axially, the socket sleeve is integrally horn-shaped, and the concave-convex anti-falling structure of the socket sleeve is in a step shape or a wave shape on the axial section.

Further, an assembled side face of the duct piece is provided with a semi-annular rubber sheet in an attached mode, the rubber sheet is located on the inner side of the water stop rubber ring, and the rubber sheet is provided with a through hole in a corresponding position of the connecting hole.

Furthermore, grooves are formed in the end portions of the outer side end and the inner side end of the splicing end face of the duct piece.

The utility model also provides a contact passageway, a serial communication port, the contact passageway adopts foretell section of jurisdiction, and the two section of jurisdiction splices from top to bottom and forms the tube coupling of contact passageway, the concatenation terminal surface department of section of jurisdiction is formed with the piece about in the interior external surface of tube coupling, the piece intussuseption is filled with the gap filler, and the section of jurisdiction piece on the adjacent two section of jurisdiction staggers each other.

Furthermore, two adjacent pipe joints of the communication channel are connected through a socket piece and a socket sleeve pre-embedded in the socket hole, the socket piece is of a symmetrical structure with two small ends and a large middle part, the shapes of the two ends of the socket piece are matched with the shape of the inner wall of the socket sleeve, and the socket piece and the socket sleeve are provided with a stepped or/and wavy anti-falling structure.

Furthermore, the two ends of the socket piece are provided with elastic pressing grooves which are linear, Y-shaped, cross-shaped or meter-shaped grooves.

Furthermore, a rubber sheet is arranged between two adjacent pipe joints of the communication channel and attached to the assembled side face of one pipe joint.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model adopts the duct piece with the 180-degree bilateral symmetry structure, thereby reducing the difficulty of concrete pouring and demoulding when the duct piece is manufactured, the product quality is easy to control, meanwhile, the production efficiency of the duct piece is greatly improved, the general performance is good, the use and the management are easy, and the cost is low;

the central angle of each single-sheet duct piece is not more than 180 degrees, the maximum single-sheet weight of the duct piece is controlled, the lifting capacity that only lifting equipment with smaller lifting capacity can be installed in a narrow space in a tunnel is met, the duct piece is easy to lift and transport in the narrow tunnel space, and the safety risk is effectively controlled;

the lateral assembling side surface of the pipe joint is connected through socket Kong Yumai socket sleeves in a socket and spigot type mode, so that the pipe joint can be assembled more conveniently, can be used for automatic assembling, provides efficiency and saves labor.

Through two to four group's hoisting holes of equipartition on the outer circumference of section of jurisdiction, not only can conveniently adjust the gesture of assembling of section of jurisdiction, still guaranteed that the section of jurisdiction can not take place to topple in the transportation, guaranteed the security of transportation and construction, simultaneously, two to four group's hoisting holes set up and also assemble for the coupling joint and provide convenience and security.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the embodiments, and it is obvious that the described embodiments are some embodiments, not all embodiments of the present invention.

Drawings

FIG. 1 is a schematic view of the duct piece structure of the present invention;

fig. 2 is a circumferential sectional view of the duct piece of the present invention;

FIG. 3 is an enlarged view of the splicing position of two segments;

FIG. 4 is a schematic view of the staggered joint assembly structure of two adjacent pipe joints of the present invention;

FIG. 5 is a schematic view of a partial structure of the present invention when two adjacent pipe joints are assembled;

FIG. 6 is an end view of the stepped socket of the present invention;

FIG. 7 is an end view of the wavy socket of the present invention;

FIG. 8 is a schematic view of the pipe joint hoisting structure in the process of connecting passage construction;

figure 9 is the utility model discloses pipe coupling hoisting structure schematic diagram is gone up to contact passageway work progress.

The reference numbers and corresponding designations in the drawings are:

1. segment, 11 splicing end faces, 12 splicing side faces,

13. A sealing groove, 14 connecting holes, 15 hoisting holes,

16. A limiting hole, 17, an embedded steel plate, 2, a pipe joint,

21. Water-stopping rubber ring, 22-splicing seams, 23-caulking agent,

3. Socket sleeve, 4. Socket piece, 41. The spring pressure groove.

Detailed Description

Example one

A connecting channel pipe piece is shown in figures 1-3, wherein the pipe piece 1 is in a left-right symmetrical structure, and the central angle of the pipe piece is 180 degrees. Two splicing end faces 11 and two splicing side faces 12 of the duct piece 1 are provided with sealing grooves 13 which are mutually connected to form a closed structure, and a water-swelling water-stopping rubber ring 21 is fixed in each sealing groove 13. A plurality of connecting holes 14 are arranged on the two assembled side surfaces 12 of the duct piece 1, and the connecting holes 14 are bent bolt holes or bearing holes. When the connecting holes 14 are bent bolt holes, the central lines of the connecting holes 14 are positioned on the radial surface of the pipe piece 1, and the connecting holes 14 are arc-shaped and penetrate through the inner circular surface of the pipe joint 2. When the connection hole 14 is a socket hole, the connection hole 14 is a non-through hole provided in the axial direction, and the socket pipe 3 having a concave-convex anti-slip structure is embedded in the connection hole 14. Duct piece 1 is equipped with the semicircular rubber piece of 3mm thick in one of them side 12 posts of assembling, and the rubber piece is located stagnant water rubber circle 21's inboard, and the through-hole has been seted up in the corresponding department of connecting hole 14 to the rubber piece. The utility model discloses section of jurisdiction 1 is through adopting 180 bilateral symmetry structure, and concrete placement and drawing of patterns are convenient when section of jurisdiction 1 is made, and section of jurisdiction 1 quality is easily controlled, and the commonality is good, and easy to manage, with low costs, also need not to distinguish big or small pipe coupling 2 when 2 installations of pipe coupling, assembles the trouble-saving, and is efficient.

As preferred, through set up seal groove 13 on the concatenation and the concatenation face at tube coupling 2, set up stagnant water rubber circle 21 in the seal groove 13, improved the stagnant water effect of contact passageway, in addition, set up the semicircular rubber piece on one of section of jurisdiction 1 assembles side 12, further improved the water-proof effects of contact passageway, simultaneously, the setting of rubber piece has also reduced tube coupling 2 and has assembled the in-process and lead to fissured formation because of the atress is uneven, has improved holistic security.

Preferably, in order to facilitate the hoisting of the duct piece 1, as shown in fig. 2, three sets of hoisting holes 15 are provided on the outer circumferential surface of the duct piece 1, two sets of hoisting holes 15 are provided on the inner circumferential surface, and hoisting rings (not shown in the figure) are installed in the hoisting holes 15. Two sets of lifting holes 15 on the inner circular surface of segment 1 and three sets of lifting holes 15 on the outer circular surface are all arranged along the radial central plane of segment 1 symmetrically, and lifting holes 15 on the inner circular surface and lifting holes 15 on the outer circular surface are not located on the same radial plane. The utility model discloses a set up three group's hole for hoist 15 on the disc in section of jurisdiction 1, not only can conveniently adjust the gesture of assembling of section of jurisdiction, still guaranteed difficult emergence danger of toppling in the 1 hoist and mount transportation of section of jurisdiction, improved the security that section of jurisdiction 1 hoisted and assembled the construction.

Preferably, grooves are formed at the outer end and the inner end of the assembled side surface 12 of the segment 1, and as shown in fig. 3, the grooves are formed in a chamfer structure or a step surface structure at the joint of the two surfaces. Through setting up the recess in the inside and outside of section of jurisdiction 1 concatenation terminal surface 11, the recess makes the interior outer wall of whole ring tube coupling 2 after assembling form and has the axial and the shallower patchwork of degree of depth, and this more is favorable to the bonding of gap filler 23 in patchwork department sealed, has reduced the risk that the water in the steel sleeve got into inside from the axial in the contact channel work progress.

Preferably, as shown in fig. 2, 7 and 8, the two ends of the outer circular surface of the segment 1 are further provided with a limiting hole 16, the position of the inner circular surface of the segment 1 corresponding to the limiting hole 16 is provided with an embedded steel plate 17, and the inner side of the embedded steel plate 17 is welded with a connecting rib. The utility model discloses a spacing 16 settings in hole can be used to provide the stopping location when assembling the dislocation of tube coupling 2, guaranteed the convenience of two adjacent whole ring tube couplings 2 dislocation assemblies and ensured that the tube coupling of assembling the in-process at the section of jurisdiction does not retreat.

Example two

A connecting channel is formed by splicing a plurality of pipe segments 1, two pipe segments 1 are spliced up and down to form a single pipe joint 2 of the connecting channel, axial abutted seams 22 are formed on two sides of splicing end faces 11 of the upper pipe segment 1 and the lower pipe segment 2, the abutted seams 22 are filled with gap filling agents 23, and the gap filling agents 23 can be cement mortar or other gap filling materials. The splicing seams 22 formed by the segment splicing end surfaces 11 on the two adjacent tube sections 2 are staggered. A rubber sheet is arranged between two adjacent pipe joints 2 of the connecting channel and is attached to the assembled side surface 12 of one pipe joint 2. Two adjacent pipe joints 2 of the connecting channel are connected through a bent bolt or through a socket piece 4 and a socket sleeve 3 pre-embedded in the socket hole. The socket and spigot piece 4 is a symmetrical structure with two small ends and a large middle part, the appearance of the two ends of the socket and spigot piece 4 is matched with the shape of the inner wall of the socket and spigot pipe 3, specifically, the socket and spigot pipe 3 is integrally of a concave-convex horn-shaped structure with one end gradually enlarged toward the other end, and more specifically, when viewed from the axial section of the socket and spigot pipe 3, one part of the socket and spigot pipe is of a stepped or/and wavy concave-convex rising structure, and the other part of the socket and spigot pipe is of a stepped or/and wavy concave-convex falling structure corresponding to the part of the socket and spigot pipe. The stepped structure may be a simple stepped structure or an overall stepped structure, and each step includes a small wave structure. The connection passageway adopts socket joint piece 4 and pre-buried socket joint sleeve pipe 3 matched with unsmooth anti-disengaging structure socket joint formula to connect between two pipe joints 2, can be used to more conveniently assemble, and can be used to realize automatic assembling, saves the manual work, raises the efficiency by a wide margin for the construction progress. Preferably, the socket 4 has the elastic pressing grooves 41 at both ends, the elastic pressing grooves 41 can be in different shapes such as a straight shape, a Y shape, a cross shape or a Chinese character 'mi' shape when viewed from the end surface of the socket 4, and the elastic deformation of both ends of the socket 4 due to the elastic pressing grooves 41 can make the socket 4 more easily inserted into the socket sleeve 3 without damaging the segment and the pipe joint. Similarly, the socket piece 4 is not provided with a spring groove, the socket sleeve 3 is provided with an expansion groove at one end with smaller diameter, the expansion grooves are annularly and uniformly distributed with 2-8 strips along the axis of the socket sleeve 3, the expansion grooves penetrate through the inner surface wall and the outer surface wall of the socket sleeve 3, and the outer wall of the section of the socket sleeve 3 where the expansion groove is located is provided with an encapsulated part through an injection molding process; because socket sleeve pipe 3 is pre-buried in the section of jurisdiction of rigid structure, after socket piece 4 inserts socket sleeve pipe 3, socket piece 4 accessible its both ends extrusion socket sleeve pipe 3 makes the compression of the relatively flexible portion 32 of gluing to socket piece 4 changes easily and inserts socket sleeve pipe 3 and does not cause the damage to section of jurisdiction 1.

As shown in fig. 8, 9, the utility model discloses in the contact passageway work progress, the section of jurisdiction concatenation forms the tube festival, through interior hoist and mount Kong Diaozhuang on the circle with a section of jurisdiction and control well the wrong joint angle after arrange the assembly bench in, insert spacing pore pair lower tube festival location or through the jacking jack of lower part and withstand the backstop through the backstop round pin, then hoist and mount the upper tube festival to the top through the hole of hoist on the outer disc, two sections of jurisdiction of concatenation and fixed formation whole ring tube festival, splice face gap department adopts the gap filler to mend the paper-back. When the next pipe joint of the communication channel is assembled with the previous pipe joint, the socket piece is firstly inserted into the socket hole of the previous pipe joint, so that the socket piece and the socket sleeve are preliminarily inserted tightly, the next pipe joint is pushed to be tightly fixed with the previous pipe joint, and the assembly among the pipe joints is completed. Or, as for the assembly of the pipe joints, on the premise that the pipe joints which are pushed in are confirmed to stop, the pipe joints can be assembled by adopting a hoisting mode of the upper and lower pipe pieces with the number of money on an assembly table at the tail part of the tunneling machine, the upper and lower pipe pieces are assembled into the pipe joints, socket pieces are installed, and then the whole pipe joints are assembled with the front pipe joints which are pushed in place and are changed to the front.

The present invention is not limited to the above specific embodiments, and those skilled in the art will be able to make various changes without creative efforts from the above conception, and all changes fall within the protection scope of the present invention.

Claims (10)

1. A connecting channel duct piece is characterized in that the duct piece is of a bilateral symmetry structure, the central angle of the duct piece is 180 degrees, two splicing end faces and two splicing side faces of the duct piece are provided with sealing grooves which are mutually connected to form a closed structure, a water-stopping rubber ring is fixed in each sealing groove, two to four groups of hoisting holes are uniformly distributed on the outer circular face of the duct piece, a plurality of connecting holes are formed in the two splicing side faces of the duct piece, and the connecting holes are socket holes or bent bolt holes; when the connecting hole is a socket hole, a socket sleeve with a concave-convex anti-falling structure is pre-embedded in the connecting hole.

2. The duct piece of claim 1, wherein three sets of the lifting holes are formed in the outer circumferential surface of the duct piece, two sets of the lifting holes are formed in the inner circumferential surface of the duct piece, the two sets of the lifting holes in the inner circumferential surface of the duct piece and the three sets of the lifting holes in the outer circumferential surface of the duct piece are symmetrically arranged about the radial center plane of the duct piece, the lifting holes are symmetrically arranged along the circumferential center plane of the duct piece, and the lifting holes in the inner circumferential surface and the lifting holes in the outer circumferential surface are not located on the same radial plane.

3. A communicating channel segment as claimed in claim 1 wherein said attachment holes are bent bolt holes, the center line of the attachment holes being located on the radial surface of the segment, the attachment holes being arcuate and passing through the inner circumferential surface of the segment.

4. The duct piece for interconnecting channels of claim 1, wherein the connecting hole is a socket hole and is a non-through hole disposed axially, the socket casing is flared integrally, and the concave-convex anti-slip structure of the socket casing is stepped or wavy in axial section.

5. The duct piece of claim 1, wherein a semi-ring-shaped rubber piece is attached to one assembled side surface of the duct piece, the rubber piece is positioned on the inner side of the water stop rubber ring, and a through hole is formed in the rubber piece at the position corresponding to the connecting hole.

6. A duct piece for communication channels according to claim 1, wherein grooves are formed at the ends of the outer end and the inner end of the joining end face of the duct piece.

7. A communication channel, which is characterized in that the communication channel adopts the pipe piece of claim 1, the two pipe pieces are spliced up and down to form a pipe joint of the communication channel, the inner surface and the outer surface of the pipe joint are provided with abutted seams at the splicing end surfaces of the upper pipe piece and the lower pipe piece, the abutted seams are filled with joint mixture, and the abutted seams of the pipe pieces on the two adjacent pipe joints are staggered.

8. The communication channel according to claim 7, wherein two adjacent pipe joints of the communication channel are connected through a socket piece and a socket sleeve pre-embedded in a socket hole, the socket piece is a symmetrical structure with two small ends and a large middle part, the shapes of two ends of the socket piece are matched with the shape of the inner wall of the socket sleeve, and the socket piece and the socket sleeve are provided with a stepped or/and wavy anti-falling structure.

9. A communication channel as claimed in claim 8, wherein said socket member has snap grooves at both ends, said snap grooves being in the form of a straight line, a Y-shaped, a cross or a cross.

10. A communication channel as claimed in claim 7, wherein a rubber sheet is provided between adjacent pipe sections of the communication channel, the rubber sheet being attached to the mating side of one of the pipe sections.

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