CN213507832U - Sleeper structure capable of repeatedly dismounting spike - Google Patents
Sleeper structure capable of repeatedly dismounting spike Download PDFInfo
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- CN213507832U CN213507832U CN202021910512.9U CN202021910512U CN213507832U CN 213507832 U CN213507832 U CN 213507832U CN 202021910512 U CN202021910512 U CN 202021910512U CN 213507832 U CN213507832 U CN 213507832U
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- sleeper
- spike
- connecting sleeve
- transition layer
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Abstract
The application discloses a sleeper structure capable of repeatedly dismounting and mounting a spike nail, which is used for supporting a steel rail and comprises a buckling elastic strip, an elastic strip seat, the spike nail and a sleeper, wherein the buckling elastic strip is mounted on the elastic strip seat, and the steel rail is fixed on the elastic strip seat through the buckling elastic strip; the spike passes the bullet strip seat inserts in the mounting hole of sleeper, will bullet strip seat is fixed on the sleeper, still include the adapter sleeve, the adapter sleeve passes through the coupling transition layer to be fixed in the mounting hole of sleeper, the spike screw in the adapter sleeve, the adapter sleeve inboard be provided with the internal thread that the spike matches.
Description
Technical Field
The application relates to but is not limited to the field of rail transit facilities, in particular to a sleeper structure capable of repeatedly dismounting and mounting spikes.
Background
In a railway system, a sleeper is one of important parts for transferring load and stabilizing a track, and the technical level and quality of the sleeper directly influence the design and operation safety of the railway track.
At present, the common sleeper forms mainly include wooden sleepers, concrete sleepers, composite sleepers and the like. The composite sleeper is widely applied because the concrete sleeper has the defects of heavy weight, easy fragmentation, high rigidity and the like, and the wood sleeper also has the defects of easy corrosion, short service life, resource shortage and the like. The synthetic sleeper is a general name of a sleeper taking natural organic matters or artificially synthesized high polymer materials as a matrix and reinforced by short fibers or continuous fibers. The composite sleeper has the density, strength and processing performance equivalent to those of a wooden sleeper, is convenient for engineering design, field construction and application maintenance, has the advantages of no water absorption (or extremely low water absorption), strong aging corrosion resistance and the like, and becomes an ideal wooden sleeper substitute material.
However, in the existing various sleeper structures, the spikes are not easily disassembled and assembled after the assembling is finished, otherwise, the connection between the spikes and the sleepers is loosened, and the connection stability of the spikes is reduced.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a sleeper structure of dismouting spike repeatedly, can carry out the dismouting of spike repeatedly, can not produce not hard up.
The embodiment of the application provides a sleeper structure capable of repeatedly dismounting and mounting a spike nail, the sleeper structure is used for supporting a steel rail and comprises a buckling elastic strip, an elastic strip seat, a spike nail and a sleeper,
the buckling elastic strip is arranged on the elastic strip seat and fixes the steel rail on the elastic strip seat; the spike penetrates through the elastic strip seat and is inserted into the mounting hole of the sleeper, the elastic strip seat is fixed on the sleeper,
the sleeper track connecting structure further comprises a connecting sleeve, the connecting sleeve is fixed in the mounting hole of the sleeper through a coupling transition layer, the spike is screwed into the connecting sleeve,
the inner side of the connecting sleeve is provided with an internal thread matched with the spike.
Compared with some technologies, the method has the following beneficial effects:
the sleeper structure of dismouting railway spike repeatedly that this application embodiment provided, the railway spike can be repeatedly dismantled and assembled, and can not cause the not hard up problem of being connected between railway spike and the sleeper, has made things convenient for the maintenance work of sleeper etc. greatly, has improved the practicality of sleeper, has reduced cost of maintenance.
Other features and advantages of the present application will be set forth in the description that follows.
Drawings
The accompanying drawings are included to provide a further understanding of the claimed subject matter and are incorporated in and constitute a part of this specification, illustrate embodiments of the subject matter and together with the description serve to explain the principles of the subject matter and not to limit the subject matter.
FIG. 1 is a schematic view of a spike installed in a mounting hole according to an embodiment of the present disclosure;
FIG. 2 is an enlarged view of the structure of portion A of FIG. 1;
FIG. 3 is a schematic structural diagram of a sleeper structure with removable spikes according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a connecting sleeve according to an embodiment of the present application (internal threads are not shown).
Illustration of the drawings:
1-steel rail, 2-buckling elastic strip, 21-elastic strip seat, 3-spike, 4-spike elastic strip, 5-sleeper, 51-mounting hole, 6-connecting sleeve and 7-coupling transition layer.
Detailed Description
To make the objects, technical solutions and advantages of the present application more apparent, embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The embodiment of the application provides a sleeper structure capable of repeatedly dismounting and mounting a spike nail, as shown in fig. 1 to 4, the sleeper structure is used for supporting a steel rail 1 and comprises a buckling elastic strip 2, an elastic strip seat 21, a spike nail 3 and a sleeper 5, the buckling elastic strip 2 is arranged on the elastic strip seat 21, and the steel rail 1 is fixed on the elastic strip seat 21 through the buckling elastic strip 2; the spike 3 penetrates through the spring seat 21 and is inserted into the mounting hole 51 of the sleeper 5, the spring seat 21 is fixed on the sleeper 5, the spike further comprises a connecting sleeve 6, the connecting sleeve 6 is fixed in the mounting hole 51 of the sleeper 5 through a coupling transition layer 7, the spike 3 is screwed into the connecting sleeve 6, and the inner side of the connecting sleeve 6 is provided with an internal thread matched with the spike 3. Still install spike bullet strip 4 between the upper surface of spike cap and sleeper 5 of spike 3, spike bullet strip 4 covers is established in the spike 3 outside, can play certain effect that prevents that spike 3 is not hard up.
The sleeper structure that this application embodiment provided can effectively prevent 3 dismouting of spike many times and the not hard up phenomenon that produces, and the convenience is overhauld and is changed etc. to the spare part in the sleeper structure. In actual installation, the connecting sleeve 6 is arranged in the sleeper 5, and the upper surface of the connecting sleeve 6 can be flush with the upper surface of the sleeper 5 or slightly lower than the upper surface of the sleeper 5 so as to ensure that the spike 3 is screwed in place. The connecting sleeve 6 can be made of metal materials or high-strength non-metal materials, such as: engineering plastic materials such as glass fiber reinforced nylon and the like.
The sleeper structure that this application embodiment provided can carry out the wrong dismouting of twisting of spike 3 many times, and the ability of screwing up of spike 3 is not influenced simultaneously. Because set up adapter sleeve 6 and spike 3 cooperation alone, consequently, under the circumstances of guaranteeing adapter sleeve 6 and spike 3 to be connected the fastening, can guarantee spike 3 and sleeper 5 firm in connection. Solitary adapter sleeve 6 conveniently processes the design, and the material is chooseed for use conveniently, and compares in changing 5 material costs of sleeper lower.
In an exemplary embodiment, as shown in FIG. 4, the connecting sleeve 6 is a tubular column structure with an open upper end and a closed or open lower end
The connecting sleeve 6 can be a pipe column structure with an open upper end and a closed lower end. When the sleeper structure is installed, the lower end of the connecting sleeve 6 is placed into the bottom of the installation hole 51 of the sleeper 5; the upper end of the connecting sleeve 6 is opened for screwing the spike 3 in. Of course, the connecting sleeve 6 can also be provided as a tubular column structure with two open ends.
In an exemplary embodiment, as shown in fig. 4, the nipple 6 is provided with an external thread on its outer surface.
The outer surface of the connecting sleeve 6 is provided with the external thread, so that the contact area between the coupling transition layer 7 and the connecting sleeve 6 can be increased, and the connection stability between the coupling transition layer and the connecting sleeve is enhanced.
In an exemplary embodiment, the outer surface of the connection sleeve 6 is further provided with a first protrusion (not shown in the figure), and the first protrusion extends into the coupling transition layer 7 to improve the connection strength (bonding force) between the connection sleeve 6 and the coupling transition layer 7; alternatively, a first recess (not shown) is further provided on the outer surface of the connection sleeve 6, and the coupling transition layer 7 extends into the first recess to improve the connection strength between the connection sleeve 6 and the coupling transition layer 7.
The first bulge on the outer surface of the connecting sleeve 6 can extend into the coupling transition layer 7 when the coupling transition layer 7 is not completely solidified, and after the coupling transition layer 7 is completely solidified, the coupling transition layer 7 and the connecting sleeve 6 are tightly bonded together. The first recess may be provided similarly.
In an exemplary embodiment, the inner surface of the mounting hole 51 is provided with a second protrusion (not shown in the figure) which extends into the coupling transition layer 7 to improve the connection strength between the sleeper 5 and the coupling transition layer 7; alternatively, a second recess (not shown) is provided on the inner surface of the mounting hole 51, and the coupling transition layer 7 extends into the second recess to improve the connection strength between the sleeper 5 and the coupling transition layer 7.
The second bulge on the inner surface of the mounting hole 51 can extend into the coupling transition layer 7 when the coupling transition layer 7 is not completely solidified, and after the coupling transition layer 7 is completely solidified, the coupling transition layer 7 and the sleeper 5 are tightly bonded together. A second recess may be provided in a similar manner.
In an exemplary embodiment, the internal thread of the connecting sleeve 6 is a tapered thread, a rectangular thread, a trapezoidal thread or a saw-tooth thread to enhance the holding force between the connecting sleeve 6 and the spike 3.
In an exemplary embodiment, the connecting sleeve 6 and the spike 3 are in clearance fit.
Internal thread through setting up adapter sleeve 6 is forms such as awl screw, and the power of hugging closely between multiplicable adapter sleeve 6 and the spike 3 sets up the cooperation between adapter sleeve 6 and spike 3 into clearance fit simultaneously, can be when guaranteeing to hug closely the power, conveniently with in spike 3 screw in adapter sleeve 6.
In an exemplary embodiment, the strength of the connection sleeve 6 is greater than the strength of the sleeper 5.
In actual operation, the mechanical property of the connecting sleeve 6 is set to be superior to that of the sleeper 5. For example: the strength of the connection sleeve 6 can be set to be greater than that of the sleeper 5 to improve the wear resistance of the connection sleeve 6. The strength of the connecting sleeve 6 is less than that of the spike 3.
In an exemplary embodiment, the coupling transition layer 7 is made of polyurethane resin, unsaturated polyester resin, vinyl resin or epoxy resin.
Certainly, other materials can be selected for the coupling transition layer 7, and the firm connection between the connecting sleeve 6 and the sleeper 5 can be ensured.
In an exemplary embodiment, tie 5 is a composite tie.
The synthetic sleeper and the wooden sleeper are basically the same in structural form and installation mode, the sleeper 5 is pre-drilled on a construction site, the synthetic sleeper has excellent post-processing performance like wood, the design freedom degree is high, the installation speed and the accuracy of the rail can be effectively improved, the maintenance is easy, and the repair can be carried out. Can be installed by punching on site according to actual installation requirements.
The sleeper 5 is a composite sleeper, for example: glass fiber reinforced polyurethane foam sleeper, polyethylene or polypropylene based thermoplastic sleeper, rubber based thermosetting sleeper, or natural fiber synthetic sleeper such as bamboo and wood. The size of the composite sleeper can be set to be more than 300mm in length, 100mm-500mm in width and 50mm-400mm in height according to actual conditions, and of course, the size can also be set to be other values according to actual conditions.
In practice, for the installation of the sleeper structure:
firstly, drilling holes are formed in the upper surface of the synthetic sleeper by using a drilling tool according to the installation position of the spikes 3, the drilling depth is about 10mm greater than the length of the connecting sleeve 6, and the drilling diameter is greater than the outer diameter of the connecting sleeve 6 by 6 mm.
Then, the scraps and impurities in the spike hole (namely the mounting hole 51) are cleaned, and the coupling transition layer 7 of the liquid raw material is poured into the spike hole, wherein the pouring amount can not exceed half of the depth of the hole.
The connecting sleeves 6 are placed in the drill holes, connecting sleeve limiting devices are arranged (when the connecting sleeves are installed, one or more connecting sleeves 6 are placed in the connecting sleeve limiting devices, then the connecting sleeve limiting devices are placed in the spike holes filled with the liquid coupling transition layers 7), then the redundant overflowed liquid raw materials are wiped clean, and after the coupling transition layers 7 are completely cured, the connecting sleeve limiting devices are removed.
During the installation, place relevant position with above-mentioned sleeper structure, place fastener etc. according to the construction process on 5 upper surfaces of sleeper, then twist into spike 3 and accomplish the assembly of fastener and synthetic sleeper.
The sleeper structure of dismouting spike repeatedly that this application embodiment provided can be used to the replacement of wooden pillow, concrete sleeper and use, compares with general sleeper structure, and the sleeper structure that this application embodiment provided can guarantee that the spike is dismantled and assembled repeatedly, and screws up the ability unchangeably. The sleeper structure provided by the embodiment of the application solves the defects of multiple field operation procedures and low efficiency when the composite sleeper is installed; the sleeper structure is convenient for the inspection and the maintenance of the sleeper, and solves the problems that the nail holding force of the composite sleeper is reduced, the spike is easy to loosen, pull out and cut off and the train operation safety is influenced due to the fact that the spike mounting hole is enlarged, abraded and the like in line maintenance or train operation.
In addition to the adhesive fixing by means of the coupling transition layer described in the present application, physical fixing means can also be used, for example: after the connecting sleeve is installed in the installation hole, a limiting structure is arranged to limit and fix the connecting sleeve. The present comparison is not limiting.
In the description of the present application, it should be noted that the term "plurality" refers to two or more, and the directions or positional relationships indicated by "upper", "lower", and the like are based on the directions or positional relationships shown in the drawings, and are only for convenience of describing the present application and simplifying the description, but do not indicate or imply that the structures referred to have a specific direction, are constructed and operated in a specific direction, and thus, cannot be construed as limiting the present application.
In the description of the embodiments of the present application, unless expressly stated or limited otherwise, the terms "connected," "mounted," and "installed" are to be construed broadly, e.g., the term "connected" may be a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The embodiments described herein are exemplary rather than limiting and it will be apparent to those of ordinary skill in the art that many more embodiments and implementations are possible within the scope of the embodiments described herein. Although many possible combinations of features are shown in the drawings and discussed in the detailed description, many other combinations of the disclosed features are possible. Any feature or element of any embodiment may be used in combination with or instead of any other feature or element in any other embodiment, unless expressly limited otherwise.
The present application includes and contemplates combinations of features and elements known to those of ordinary skill in the art. The embodiments, features and elements that have been disclosed in this application may also be combined with any conventional features or elements to form unique aspects as defined by the claims. Any feature or element of any embodiment may also be combined with features or elements from other aspects to form another unique aspect as defined by the claims. Thus, it should be understood that any of the features shown and/or discussed in this application may be implemented alone or in any suitable combination. Accordingly, the embodiments are not limited except as by the appended claims and their equivalents. Furthermore, various modifications and changes may be made within the scope of the appended claims.
Claims (10)
1. A sleeper structure capable of repeatedly dismounting and mounting a spike is used for supporting a steel rail and is characterized by comprising a buckling elastic strip, an elastic strip seat, a spike and a sleeper,
the buckling elastic strip is arranged on the elastic strip seat and fixes the steel rail on the elastic strip seat; the spike penetrates through the elastic strip seat and is inserted into the mounting hole of the sleeper, the elastic strip seat is fixed on the sleeper,
the sleeper track connecting structure further comprises a connecting sleeve, the connecting sleeve is fixed in the mounting hole of the sleeper through a coupling transition layer, the spike is screwed into the connecting sleeve,
the inner side of the connecting sleeve is provided with an internal thread matched with the spike.
2. A sleeper structure of removable spike as claimed in claim 1 wherein said connecting sleeve is a tubular column structure with an open upper end and a closed or open lower end.
3. A sleeper structure of a removable spike as claimed in claim 1 wherein an external thread is provided on an outer surface of the connecting sleeve.
4. The sleeper structure of removable spike of claim 3, wherein the connecting sleeve is further provided with a first protrusion on an outer surface thereof, the first protrusion extending into the coupling transition layer to improve the connection strength between the connecting sleeve and the coupling transition layer; alternatively, the first and second electrodes may be,
the outer surface of the connecting sleeve is also provided with a first sunken part, and the coupling transition layer extends into the first sunken part to improve the connecting strength between the connecting sleeve and the coupling transition layer.
5. The sleeper structure of removable spike according to claim 4, wherein a second protrusion is provided on an inner surface of the mounting hole, the second protrusion protruding into the coupling transition layer to improve a connection strength between the sleeper and the coupling transition layer; alternatively, the first and second electrodes may be,
and a second sunken part is arranged on the inner surface of the mounting hole, and the coupling transition layer extends into the second sunken part to improve the connection strength between the sleeper and the coupling transition layer.
6. A sleeper structure of a removable spike as claimed in claim 1 wherein the internal thread of the connecting sleeve is a tapered thread, a rectangular thread, a trapezoidal thread or a saw-tooth thread.
7. A sleeper structure of removable spike as claimed in claim 6 wherein said connecting sleeve is in clearance fit with said spike.
8. A sleeper structure of removable spike according to any one of claims 1 to 7 wherein the strength of the connecting sleeve is greater than the strength of the sleeper.
9. The sleeper structure of any one of claims 1 to 7, wherein the coupling transition layer is made of polyurethane resin, unsaturated polyester resin, vinyl resin or epoxy resin.
10. A sleeper structure of removable spikes as claimed in any one of claims 1 to 7, wherein the sleeper is a composite sleeper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021910512.9U CN213507832U (en) | 2020-09-03 | 2020-09-03 | Sleeper structure capable of repeatedly dismounting spike |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021910512.9U CN213507832U (en) | 2020-09-03 | 2020-09-03 | Sleeper structure capable of repeatedly dismounting spike |
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| CN213507832U true CN213507832U (en) | 2021-06-22 |
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| CN202021910512.9U Active CN213507832U (en) | 2020-09-03 | 2020-09-03 | Sleeper structure capable of repeatedly dismounting spike |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114279880A (en) * | 2021-12-30 | 2022-04-05 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Method for evaluating wear performance of railway fastener base plate on sleeper |
| CN114295508A (en) * | 2021-12-30 | 2022-04-08 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Method for evaluating wear performance of railway fastener base plate material and structure on sleeper |
-
2020
- 2020-09-03 CN CN202021910512.9U patent/CN213507832U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114279880A (en) * | 2021-12-30 | 2022-04-05 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Method for evaluating wear performance of railway fastener base plate on sleeper |
| CN114295508A (en) * | 2021-12-30 | 2022-04-08 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Method for evaluating wear performance of railway fastener base plate material and structure on sleeper |
| CN114295508B (en) * | 2021-12-30 | 2023-07-18 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Method for evaluating abrasion performance of railway fastener backing plate material and structure on sleeper respectively |
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