CN114960304A - Pre-buried sleeve for railway with drainage function - Google Patents
Pre-buried sleeve for railway with drainage function Download PDFInfo
- Publication number
- CN114960304A CN114960304A CN202210650740.4A CN202210650740A CN114960304A CN 114960304 A CN114960304 A CN 114960304A CN 202210650740 A CN202210650740 A CN 202210650740A CN 114960304 A CN114960304 A CN 114960304A
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- China
- Prior art keywords
- sleeve
- ceramic inner
- metal outer
- inner sleeve
- groove
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
- E01B1/002—Ballastless track, e.g. concrete slab trackway, or with asphalt layers
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/02—Fastening rails, tie-plates, or chairs directly on sleepers or foundations; Means therefor
- E01B9/04—Fastening on wooden or concrete sleepers or on masonry without clamp members
- E01B9/14—Plugs, sleeves, thread linings, or other inserts for holes in sleepers
- E01B9/18—Plugs, sleeves, thread linings, or other inserts for holes in sleepers for concrete sleepers
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Railway Tracks (AREA)
Abstract
The invention discloses a pre-buried sleeve for railways with a drainage function, which comprises a ceramic inner sleeve and a metal outer sleeve, wherein an end plate is formed at the bottom end of the ceramic inner sleeve, the ceramic inner sleeve is inserted in the metal outer sleeve, a plurality of circular arc annular convex rings are formed on the outer wall of the ceramic inner sleeve, vertical limiting slots are formed on the notches of the convex rings in a superposition manner, a cylindrical head is formed at the upper end of the ceramic inner sleeve, the outer wall of the head abuts against the inner wall of the metal outer sleeve, and a counter bore communicated with an inner hole of the ceramic inner sleeve is formed in the head; the metal outer sleeve is formed with inward sunken vertical rib grooves, the vertical rib grooves are inserted into the limiting slots of the ceramic inner sleeve, a plurality of annular rib grooves communicated with the vertical rib grooves are formed in the metal outer sleeve, and the annular rib grooves are inserted into clamping grooves between adjacent convex rings on the ceramic inner sleeve.
Description
Technical Field
The invention relates to the technical field of embedded sleeves, in particular to an embedded sleeve with a drainage function for a railway.
Background
The embedded sleeve is one of the components of a railway fastener, is embedded in a concrete sleeper and is matched with a spike nail for fastening an elastic strip. The existing embedded casing is a closed structure in general design at the bottom of the embedded casing for preventing concrete from entering the embedded casing when being embedded in a concrete sleeper and preventing mud from entering the embedded casing when a lower roadbed is turned over and emits mud. However, in regions with much rainwater, such as south China or coastal regions, after raining, part of rainwater can flow into the embedded sleeve, and because the bottom of the embedded sleeve is closed, rainwater is accumulated in the embedded sleeve, and although part of rainwater can volatilize, accumulated water can exist in the embedded sleeve for a long time, and the corrosion of the screw spike is accelerated due to the long-term residual of the accumulated water.
Disclosure of Invention
The invention aims to provide a pre-buried sleeve for railways with a drainage function, aiming at the defects of the prior art, wherein a ceramic inner sleeve is designed into a closed structure, but a water leakage groove is formed on the side wall of the bottom of the ceramic inner sleeve, and a water seepage channel can be formed by matching with the outer sleeve, so that mud can be prevented from entering the ceramic inner sleeve when the subgrade is turned over and mud is emitted, and water can not be remained in the ceramic inner sleeve.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a pre-buried sleeve for a railway with a drainage function comprises a ceramic inner sleeve and a metal outer sleeve, wherein an end plate is formed at the bottom end of the ceramic inner sleeve, the ceramic inner sleeve is inserted into the metal outer sleeve, a plurality of circular-arc annular convex rings are formed on the outer wall of the ceramic inner sleeve, vertical limiting slots are formed in the notches in the convex rings in a superposition manner, a cylindrical head is formed at the upper end of the ceramic inner sleeve, the outer wall of the head abuts against the inner wall of the metal outer sleeve, and a counter bore communicated with an inner hole of the ceramic inner sleeve is formed in the head; the metal outer sleeve is provided with a plurality of annular rib grooves communicated with the vertical rib grooves, and the annular rib grooves are inserted into clamping grooves between adjacent convex rings on the ceramic inner sleeve;
the vertical rib groove bottom plate of the metal outer sleeve is provided with an externally protruded rib, and a vertical water seepage groove is arranged between the rib and the outer wall of the ceramic inner sleeve; and a water leakage groove communicated with the water seepage groove is formed on the inner wall of the bottom end of the ceramic inner sleeve.
Preferably, an annular cutting groove is formed on the inner wall of the ceramic inner sleeve at the water leakage groove, and the length of the cutting groove is not less than that of the water leakage groove; the lower end face of the water leakage groove is flush with the upper end face of the end plate.
Preferably, the length of the ceramic inner sleeve is smaller than that of the metal outer sleeve. The bottom end of the ceramic inner sleeve is inserted in the metal outer sleeve.
Preferably, the upper end surface of the head part of the ceramic inner sleeve is flush with the upper end surface of the metal outer sleeve, and the diameter of a counter bore in the head part is larger than the diameter of the inner wall of the ceramic inner sleeve.
Preferably, the vertical rib grooves and the ribs on the metal outer sleeve extend to the lower end face of the metal outer sleeve.
Preferably, the convex rings on the ceramic inner sleeve are linearly and vertically and uniformly distributed on the ceramic inner sleeve, the cross section of the annular rib groove on the metal outer sleeve is rectangular, and the width of the annular rib groove is equal to the distance between the adjacent convex rings.
Preferably, an upper retainer ring and a lower retainer ring which are concave are respectively formed on the metal outer sleeve on the upper side and the lower side of the annular rib groove, and the upper retainer ring of the metal outer sleeve is inserted into a clamping groove between the head of the ceramic inner sleeve and the convex ring; the lower retainer ring of the metal outer sleeve is abutted against the outer wall of the end plate.
The invention has the beneficial effects that: the ceramic inner sleeve pipe adopted by the device is designed into a closed structure, the side wall of the bottom of the device is provided with a water leakage groove, and a water seepage channel can be formed by matching with the outer sleeve pipe, so that mud can be prevented from entering the ceramic inner sleeve pipe when the subgrade is turned over and pumped out, and accumulated water cannot be remained in the ceramic inner sleeve pipe.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a schematic view of a half section of the present invention;
fig. 5 is a perspective view of the inner ceramic bushing of the present invention.
In the figure: 1. a ceramic inner sleeve; 11. a convex ring; 12. limiting slots; 13. an end plate; 14. a water leakage groove; 15. grooving; 16. a head portion; 17. a counter bore; 2. a metal outer sleeve; 21. an annular rib groove; 22. vertical rib grooves; 23. and (4) ribs.
Detailed Description
Example (b): as shown in fig. 1 to 5, the railway embedded sleeve with the water drainage function comprises a ceramic inner sleeve 1 and a metal outer sleeve 2, wherein an end plate 13 is formed at the bottom end of the ceramic inner sleeve 1, the ceramic inner sleeve 1 is inserted into the metal outer sleeve 2, a plurality of circular arc annular convex rings 11 are formed on the outer wall of the ceramic inner sleeve 1, vertical limiting slots 12 are formed on notches of the convex rings 11 in an overlapped mode, a cylindrical head 16 is formed at the upper end of the ceramic inner sleeve 1, the outer wall of the head 16 abuts against the inner wall of the metal outer sleeve 2, and a counter bore 17 communicated with an inner hole of the ceramic inner sleeve 1 is formed in the head 16; the metal outer sleeve 2 is provided with inward sunken vertical rib grooves 22, the vertical rib grooves 22 are inserted into the limiting insertion grooves 12 of the ceramic inner sleeve 1, the metal outer sleeve 2 is provided with a plurality of annular rib grooves 21 communicated with the vertical rib grooves 22, and the annular rib grooves 21 are inserted into clamping grooves between adjacent convex rings 11 on the ceramic inner sleeve 1;
a bottom plate of the vertical rib groove 22 of the metal outer sleeve 2 is provided with an externally protruded rib 23, and a vertical water seepage groove a is arranged between the rib 23 and the outer wall of the ceramic inner sleeve 1; and a water leakage groove 14 communicated with the water leakage groove a is formed on the inner wall of the bottom end of the ceramic inner sleeve 1.
An annular cutting groove 15 is formed on the inner wall of the ceramic inner sleeve 1 at the water leakage groove 14, and the length of the cutting groove 15 is not less than that of the water leakage groove 14; the lower end surface of the water leakage groove 14 is flush with the upper end surface of the end plate 13.
The length of the ceramic inner sleeve 1 is less than that of the metal outer sleeve 2. The bottom end of the ceramic inner sleeve 1 is inserted in the metal outer sleeve 2.
The upper end face of the head 16 of the ceramic inner sleeve 1 is flush with the upper end face of the metal outer sleeve 2, and the diameter of a counter bore 17 in the head 16 is larger than the diameter of the inner wall of the ceramic inner sleeve 1.
The vertical rib grooves 22 and the ribs 23 on the metal outer sleeve 2 extend to the lower end face of the metal outer sleeve 2.
The convex rings 11 on the ceramic inner sleeve 1 are linearly and vertically uniformly distributed on the ceramic inner sleeve 1, the transverse section of the annular rib groove 21 on the metal outer sleeve 2 is rectangular, and the width of the annular rib groove 21 is equal to the distance between the adjacent convex rings 11.
An upper retainer ring and a lower retainer ring which are concave are respectively formed on the metal outer sleeve 2 on the upper side and the lower side of the annular rib groove 21, and the upper retainer ring of the metal outer sleeve 2 is inserted into a clamping groove between the head 16 of the ceramic inner sleeve 1 and the convex ring 11; the lower stop ring of the metal outer sleeve 2 abuts against the outer wall of the end plate 13.
The working principle is as follows: the invention is a pre-buried sleeve for a railway with a drainage function, the pre-buried sleeve for the railway consists of a ceramic inner sleeve 1 made of ceramic and a metal outer sleeve 2 on the outer side, the ceramic inner sleeve 1 can be prevented from being combined with a screw spike to generate rust, and the screw spike is convenient to disassemble; the metal outer sleeve 2 can be combined with concrete poured into a roadbed to reinforce the connection strength between the metal outer sleeve and the roadbed; the ceramic inner sleeve 1 is provided with an annular convex ring 11 and an annular rib groove 21 on the metal outer sleeve 2 can limit the axial movement between the ceramic inner sleeve 1 and the metal outer sleeve 2; the limiting slot 12 formed by overlapping the notches of the convex rings 11 is matched with the vertical rib groove 22 of the metal outer sleeve 2, so that the radial rotation between the metal outer sleeve 2 and the ceramic inner sleeve 1 can be limited;
simultaneously, the end plates 13 are arranged on the ceramic inner sleeve 1, mud can be prevented from entering the ceramic inner sleeve 1 when the slurry is turned over and is blown out of the roadbed, the vertical rib grooves 22 are formed into the ribs 23, the ribs 23 and the ceramic inner sleeve 1 form a water seepage groove a, rainwater flowing into the ceramic inner sleeve 1 can enter the roadbed through the water leakage groove 14 and the water seepage groove a, water seepage is carried out, and long-term water accumulation of the ceramic inner sleeve 1 is avoided.
The examples are intended to illustrate the invention, but not to limit it. The embodiments may be modified by those skilled in the art without departing from the spirit and scope of the invention, and therefore, the scope of the claims should be determined from that of the invention.
Claims (7)
1. The utility model provides a buried sleeve for railway with drainage function, includes interior sleeve pipe of pottery (1) and metal outer tube (2), the bottom shaping of the interior sleeve pipe of pottery (1) has end plate (13), and the interior sleeve pipe of pottery (1) is pegged graft in metal outer tube (2), its characterized in that: a plurality of circular arc annular convex rings (11) are formed on the outer wall of the ceramic inner sleeve (1), vertical limiting slots (12) are formed on the notches of the convex rings (11) in an overlapped mode, a cylindrical head (16) is formed at the upper end of the ceramic inner sleeve (1), the outer wall of the head (16) abuts against the inner wall of the metal outer sleeve (2), and a counter bore (17) communicated with the inner hole of the ceramic inner sleeve (1) is formed in the head (16); the metal outer sleeve (2) is formed with inward sunken vertical rib grooves (22), the vertical rib grooves (22) are inserted into limiting insertion grooves (12) of the ceramic inner sleeve (1), a plurality of annular rib grooves (21) communicated with the vertical rib grooves (22) are formed in the metal outer sleeve (2), and the annular rib grooves (21) are inserted into clamping grooves between adjacent convex rings (11) on the ceramic inner sleeve (1);
a bottom plate of the vertical rib groove (22) of the metal outer sleeve (2) is provided with an externally protruded rib (23), and a vertical water seepage groove (a) is arranged between the rib (23) and the outer wall of the ceramic inner sleeve (1); and a water leakage groove (14) communicated with the water seepage groove (a) is formed on the inner wall of the bottom end of the ceramic inner sleeve (1).
2. The embedded sleeve with the water drainage function for the railway as claimed in claim 1, wherein: an annular cutting groove (15) is formed in the inner wall of the ceramic inner sleeve (1) at the water leakage groove (14), and the length of the cutting groove (15) is not less than that of the water leakage groove (14); the lower end surface of the water leakage groove (14) is flush with the upper end surface of the end plate (13).
3. The embedded sleeve with the water drainage function for the railway as claimed in claim 1, wherein: the length of the ceramic inner sleeve (1) is less than that of the metal outer sleeve (2). The bottom end of the ceramic inner sleeve (1) is inserted in the metal outer sleeve (2).
4. The pre-buried sleeve with the water drainage function for the railway of claim 3, wherein: the upper end face of the head (16) of the ceramic inner sleeve (1) is flush with the upper end face of the metal outer sleeve (2), and the diameter of a counter bore (17) in the head (16) is larger than the diameter of the inner wall of the ceramic inner sleeve (1).
5. The embedded sleeve with the water drainage function for the railway as claimed in claim 1, wherein: the vertical rib grooves (22) and the ribs (23) on the metal outer sleeve (2) extend to the lower end face of the metal outer sleeve (2).
6. The embedded sleeve with the water drainage function for the railway as claimed in claim 1, wherein: the convex rings (11) on the ceramic inner sleeve (1) are linearly and vertically and uniformly distributed on the ceramic inner sleeve (1), the transverse sections of the annular rib grooves (21) on the metal outer sleeve (2) are rectangular, and the width of each annular rib groove (21) is equal to the distance between every two adjacent convex rings (11).
7. The embedded sleeve with the water drainage function for the railway as claimed in claim 1, wherein: an upper retainer ring and a lower retainer ring which are concave are respectively formed on the metal outer sleeve (2) at the upper side and the lower side of the annular rib groove (21), and the upper retainer ring of the metal outer sleeve (2) is inserted into a clamping groove between the head (16) of the ceramic inner sleeve (1) and the convex ring (11); the lower retainer ring of the metal outer sleeve (2) is abutted against the outer wall of the end plate (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210650740.4A CN114960304B (en) | 2022-06-09 | 2022-06-09 | Pre-buried sleeve pipe for railway with drainage function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210650740.4A CN114960304B (en) | 2022-06-09 | 2022-06-09 | Pre-buried sleeve pipe for railway with drainage function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114960304A true CN114960304A (en) | 2022-08-30 |
| CN114960304B CN114960304B (en) | 2023-06-20 |
Family
ID=82961644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210650740.4A Active CN114960304B (en) | 2022-06-09 | 2022-06-09 | Pre-buried sleeve pipe for railway with drainage function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114960304B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB961876A (en) * | 1961-12-15 | 1964-06-24 | Samuel Tippett | Improvements relating to sleeves for use in holding down railway lines on sleepers |
| EP0785365A1 (en) * | 1996-01-19 | 1997-07-23 | HILTI Aktiengesellschaft | Anchor dowell for glued anchorages and procedure for producing non-corrodible connections |
| US20040104498A1 (en) * | 2002-12-02 | 2004-06-03 | David Schneider | Tubular sleeve insert for creating a void in precast concrete |
| WO2015158303A1 (en) * | 2014-04-17 | 2015-10-22 | 宁波曙翔新材料股份有限公司 | Casing tube and manufacturing method therefor |
| CN206887655U (en) * | 2017-06-28 | 2018-01-16 | 天津铁路信号有限责任公司 | A kind of concrete slab sleeper embedded nut |
| CN209779348U (en) * | 2019-03-05 | 2019-12-13 | 中铁工程设计咨询集团有限公司 | Anti-rotation sleeve for railway fastener |
| CN211395196U (en) * | 2019-12-13 | 2020-09-01 | 河北翼辰实业集团股份有限公司 | One-way conduction embedded sleeve for sleeper |
-
2022
- 2022-06-09 CN CN202210650740.4A patent/CN114960304B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB961876A (en) * | 1961-12-15 | 1964-06-24 | Samuel Tippett | Improvements relating to sleeves for use in holding down railway lines on sleepers |
| EP0785365A1 (en) * | 1996-01-19 | 1997-07-23 | HILTI Aktiengesellschaft | Anchor dowell for glued anchorages and procedure for producing non-corrodible connections |
| US20040104498A1 (en) * | 2002-12-02 | 2004-06-03 | David Schneider | Tubular sleeve insert for creating a void in precast concrete |
| WO2015158303A1 (en) * | 2014-04-17 | 2015-10-22 | 宁波曙翔新材料股份有限公司 | Casing tube and manufacturing method therefor |
| CN206887655U (en) * | 2017-06-28 | 2018-01-16 | 天津铁路信号有限责任公司 | A kind of concrete slab sleeper embedded nut |
| CN209779348U (en) * | 2019-03-05 | 2019-12-13 | 中铁工程设计咨询集团有限公司 | Anti-rotation sleeve for railway fastener |
| CN211395196U (en) * | 2019-12-13 | 2020-09-01 | 河北翼辰实业集团股份有限公司 | One-way conduction embedded sleeve for sleeper |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114960304B (en) | 2023-06-20 |
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