CN210440047U - Tunnel embedded channel of compound compact form - Google Patents
Tunnel embedded channel of compound compact form Download PDFInfo
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- CN210440047U CN210440047U CN201920903890.5U CN201920903890U CN210440047U CN 210440047 U CN210440047 U CN 210440047U CN 201920903890 U CN201920903890 U CN 201920903890U CN 210440047 U CN210440047 U CN 210440047U
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- channel
- screw rod
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- tunnel
- wedge portion
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Abstract
The application discloses tunnel embedded channel of compound compact formula. This tunnel embedded channel of compound compact formula includes channel board, fastener, sleeve pipe and nut, and the fastener includes screw rod, wedge portion and head, is equipped with the through-hole that the lower extreme that holds the screw rod passed on the channel board, and wedge portion and head are connected gradually to the first upper end of screw rod, and the lower extreme of screw rod is equipped with the screw thread section, and in the lower extreme of screw rod inserted the through-hole, and nut and screw thread section threaded connection, the sleeve pipe cover is established on screw rod and wedge portion, and the sleeve pipe butt is on the channel board. The application has solved pre-buried screw rod and concrete pipe contact area and has been less, and tension is not enough, and the embedded channel is not hard up easily in the later stage use, and unable fastening once more leads to the limited problem of life of embedded channel.
Description
Technical Field
The application relates to the technical field of channel devices, in particular to a tunnel embedded channel of a compound tightening type.
Background
The tunnel pre-buried channel means that the channel-section steel is pre-buried in the concrete segment in the segment prefabricating process, and cables, pipelines, equipment and the like are fixed on the shield segment through T-shaped bolts during later electromechanical installation, so that damage to the structure can be greatly reduced, the safety time is saved, and the tunnel pre-buried channel is a workpiece pre-installed in hidden engineering.
At present, tunnel pre-buried channels in the related art adopt a chute pre-buried connection mode to replace a traditional chemical anchor bolt fastening mode, so that the construction process can be optimized, and the construction period can be shortened.
For example, the utility model with chinese patent publication No. CN207111175U discloses a pre-buried channel for mounting a bracket structure, the pre-buried channel includes a channel body and a plurality of fixing members, the channel body includes a bottom plate, and the bottom ends of the fixing members are welded to the end surface of the bottom plate; two side plates perpendicular to the bottom plate are symmetrically arranged on two sides of the bottom plate, the end parts of the two side plates oppositely extend to form two limiting plates, and the end surfaces, close to the bottom plate, of the limiting plates are provided with a plurality of teeth; the cross section of each tooth is in an inverted V shape, and a plurality of teeth are arranged along the length direction of the limiting plate; the width of the bottom of each tooth is 2-4 mm; the whole surface of this embedded channel has plated the zinc layer, and the coating in zinc layer outside has the polyurethane anticorrosive coating. The utility model discloses have better mechanical bearing performance and corrosion resisting property, life is longer.
In the course of implementing the present invention, the inventors found that there are at least the following problems in the related art:
when the existing embedded channel is embedded, the contact area of the embedded screw and the concrete pipe is small, the tension is insufficient, the embedded channel is easy to loosen in the later-stage using process and cannot be fastened again, and the service life of the embedded channel is limited.
When the channel among the correlation technique is pre-buried, the area of contact of embedded pole and concrete pipe piece is less, and tension is not enough, the easy not hard up problem of embedded channel in later stage use, has not proposed effectual solution at present.
SUMMERY OF THE UTILITY MODEL
The main aim at of this application provides a tunnel embedded channel of compound compact formula to when solving embedded channel pre-buried, embedded rod is less with concrete pipe contact area, and tension is not enough, the easy not hard up problem of embedded channel in the later stage use.
In order to achieve the above object, according to one aspect of the present application, there is provided a complex tunnel insert comprising a channel plate, a fastener, a sleeve, and a nut;
the fastener includes screw rod, wedge portion and head, is equipped with the through-hole that the lower extreme that holds the screw rod passed on the channel board, and wedge portion and head are connected gradually to the first upper end of screw rod, and the lower extreme of screw rod is equipped with the screw thread section, and during the lower extreme of screw rod inserted the through-hole, and nut and screw thread section threaded connection, and the sleeve pipe cover is established on screw rod and wedge portion, and the sleeve pipe butt is on the channel board.
Furthermore, the upper end of the sleeve is provided with a fork, and the fork is attached to the wedge.
Further, the fastener still includes the gasket, and the gasket cover is established on the screw rod, and the gasket is located between nut and the channel board.
Further, evenly set up two at least through-holes on the channel board, all be equipped with a fastener, sleeve pipe and nut on every through-hole.
Further, the shape of the head includes a disk shape.
Furthermore, the material of the channel plate is stainless steel.
Furthermore, the fastening piece is made of stainless steel.
The beneficial effect of this application does:
(1) the utility model discloses a compound tunnel embedded channel of compact, set up sleeve pipe, wedge portion and nut, along with the screw-up of nut makes sleeve pipe and wedge portion extrusion effect, makes the sleeve pipe expand, increases the area of contact of sleeve pipe and concrete segment, makes the tension between sleeve pipe and the concrete increase;
(2) the tunnel embedded channel of compound compact formula, be equipped with the fork on the sleeve pipe, make the sleeve pipe expanded the inflation in the extrusion with wedge portion.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:
fig. 1 is a schematic cross-sectional view of a composite tunnel pre-buried channel according to the present invention;
fig. 2 is a schematic structural diagram of a compound tunnel pre-buried channel according to the present invention;
shown in the figure:
1-channel plate, 2-fastener, 21-screw, 211-thread section, 22-wedge part, 23-head, 3-sleeve, 31-fork, 4-gasket and 5-nut.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.
As shown in fig. 1 and 2, the present application relates to a composite tunnel insert channel, including: the channel plate 1, the fastener 2, the sleeve 3 and the nut 5; the fastener 2 comprises a screw 21, a wedge part 22 and a head part 23, a through hole for allowing the lower end of the screw 21 to penetrate is formed in the channel plate 1, the wedge part 22 and the head part 23 are sequentially connected to the first end of the screw 21, a thread section 211 is arranged at the lower end of the screw 21, the lower end of the screw 21 is inserted into the through hole, the nut 5 is in threaded connection with the thread section 211, the sleeve 3 is sleeved on the screw 21 and the wedge part 22, the sleeve 3 abuts against the channel plate 1, and the sleeve is expanded in extrusion with the wedge part 22.
Further, as shown in fig. 1, the upper end of the jacket 3 is provided with a branch 31, the branch 31 is in contact with the wedge 22, and the setting of the branch 31 expands the jacket 3 by pressing the wedge 22.
Further, as shown in fig. 1, the fastening member 2 further includes a gasket 4, the gasket 4 is sleeved on the screw 21, and the gasket 4 is disposed between the nut 5 and the channel plate 1 and is used for fixing the channel plate 1 and the screw 21.
Further, as shown in fig. 2, at least two through holes are uniformly formed in the channel plate 1, each through hole is provided with a fastening piece 2, a sleeve 3 and a nut 5, and the expansion of at least two sleeves 3 causes a large contact area with the concrete segment.
Further, as shown in fig. 1, the head 23 is shaped like a disk to increase the contact area of the concrete segment.
Furthermore, the material of the channel plate 1 is stainless steel, so that the channel plate is not easy to corrode.
Furthermore, the fastening piece 2 is made of stainless steel, so that the fastening piece is not easy to corrode.
The application said a work principle of tunnel embedded channel of compound compact is:
through setting up the through-hole on channel plate 1, make the lower extreme of screw rod 21 pass channel plate 1, and establish sleeve pipe 3 cover between channel plate 1 and wedge portion 22 lower extreme, so that channel plate 1 can move on screw rod 21, because wedge portion 22 sets up in screw rod 21 upper end, therefore, when the nut 5 of screwing gradually, nut 5 promotes channel plate 1 along screw thread section 211 and extrudes sleeve pipe 3, make sleeve pipe 3 impel to wedge portion 22 direction, make sleeve pipe 3 expand gradually under wedge portion 22's extrusion, and then make the area of contact of sleeve pipe 3 and concrete segment increase, lead to and the concrete segment between tension increase, and then it is little with concrete segment area of contact to have solved pre-buried screw rod 21, the defect that tension is not enough, the easy not hard up problem of pre-buried channel in the later stage use.
And, two at least through-holes even distribution all sets up a fastener 2 in every through-hole on the side that channel plate 1 is close to concrete segment one side, nut 5 and sleeve pipe 3, a plurality of fasteners 2, nut 5 and sleeve pipe 3 all make the stability between channel plate 1 and the concrete segment better with the cooperation of concrete segment, and the inflation of a plurality of sleeve pipes 3 can make fastener 2 and concrete segment's area of contact big when channel plate 1 appears becoming flexible, make channel plate 1 effectual with the firm of concrete segment.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.
Claims (7)
1. The utility model provides a tunnel embedded channel of compound compact which characterized in that includes: the device comprises a channel plate (1), a fastener (2), a sleeve (3) and a nut (5);
fastener (2) include screw rod (21), wedge portion (22) and head (23), be equipped with on channel board (1) and hold the through-hole that the lower extreme of screw rod (21) passed, the upper end of screw rod (21) connects gradually wedge portion (22) with head (23), the lower extreme of screw rod (21) is equipped with screw thread section 211, insert the lower extreme of screw rod (21) in the through-hole, just nut (5) with screw thread section 211 threaded connection, sleeve pipe (3) cover is established screw rod (21) with on wedge portion (22), just sleeve pipe (3) butt is in on channel board (1).
2. A composite tunnel insert as claimed in claim 1, wherein the casing (3) is provided with a divergent opening (31), the divergent opening (31) being in abutment with the wedge portion (22).
3. The compound tunnel embedded channel according to claim 2, wherein the fastening member (2) further comprises a gasket (4), the gasket (4) is sleeved on the screw rod (21), and the gasket (4) is arranged between the nut (5) and the channel plate (1).
4. The compound tunnel pre-buried channel of claim 3, characterized in that the channel plate (1) is uniformly provided with at least two through holes, and each through hole is provided with a fastener (2), a sleeve (3) and a nut (5).
5. The compound tunnel insert as claimed in claim 4, wherein the shape of the head (23) comprises a disc shape.
6. The compound tunnel insert according to any one of claims 1-5, wherein the material of the channel plate (1) is stainless steel.
7. The compound tunnel insert according to any of the claims 1-5, wherein the fastening elements (2) are made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920903890.5U CN210440047U (en) | 2019-06-17 | 2019-06-17 | Tunnel embedded channel of compound compact form |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920903890.5U CN210440047U (en) | 2019-06-17 | 2019-06-17 | Tunnel embedded channel of compound compact form |
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| Publication Number | Publication Date |
|---|---|
| CN210440047U true CN210440047U (en) | 2020-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920903890.5U Active CN210440047U (en) | 2019-06-17 | 2019-06-17 | Tunnel embedded channel of compound compact form |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111852488A (en) * | 2020-08-26 | 2020-10-30 | 中铁十四局集团大盾构工程有限公司 | Construction method for large-diameter shield tunnel contact net channel of high-speed railway |
| CN116677083A (en) * | 2023-06-15 | 2023-09-01 | 扬州市金诺尔不锈钢有限公司 | Pre-buried channel subassembly and anti-skidding pre-buried channel |
-
2019
- 2019-06-17 CN CN201920903890.5U patent/CN210440047U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111852488A (en) * | 2020-08-26 | 2020-10-30 | 中铁十四局集团大盾构工程有限公司 | Construction method for large-diameter shield tunnel contact net channel of high-speed railway |
| CN116677083A (en) * | 2023-06-15 | 2023-09-01 | 扬州市金诺尔不锈钢有限公司 | Pre-buried channel subassembly and anti-skidding pre-buried channel |
| CN116677083B (en) * | 2023-06-15 | 2024-05-10 | 扬州市金诺尔不锈钢有限公司 | Pre-buried channel subassembly and anti-skidding pre-buried channel |
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