CN222229117U - A high-speed railway contact network fastener with adjustable distance - Google Patents
A high-speed railway contact network fastener with adjustable distance Download PDFInfo
- Publication number
- CN222229117U CN222229117U CN202420647436.9U CN202420647436U CN222229117U CN 222229117 U CN222229117 U CN 222229117U CN 202420647436 U CN202420647436 U CN 202420647436U CN 222229117 U CN222229117 U CN 222229117U
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- plug
- bolt
- hollow
- internal thread
- contact net
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- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a high-speed railway contact net fastener of adjustable distance, include: the outer wall of the hollow screw sleeve is provided with external threads which are screwed with screw holes on the high-speed rail contact net, the inner wall is provided with an internal thread, and the upper end surface and the lower end surface are provided with a plurality of first jacks; an upper bolt screwed at the upper end of the internal thread; the first plug-in component is inserted into the hollow threaded sleeve and the upper bolt and is used for positioning the hollow threaded sleeve and the upper bolt; a lower bolt screwed at the lower end of the internal thread; the second plug-in component is inserted on the hollow threaded sleeve and the lower bolt and positions the hollow threaded sleeve and the lower bolt. The utility model discloses a screw in size in the internal thread of bolt, lower bolt is gone up in the control, and the plug-in components are pegged graft and are fixed a position, and then realize fastener length distance adjustment, operation assembly convenient to use, extensive applicability revolves the tight degree height of screwing up and stable with high-speed railway contact net mounting hole.
Description
Technical Field
The utility model relates to the technical field of fasteners, in particular to a distance-adjustable high-speed rail contact net fastener.
Background
The high-speed rail contact net is used as outdoor facilities, the structure of the high-speed rail contact net is large in the span of the used length dimension of the mounting hole and the bolt, and most of common fasteners are fixed, so that the high-speed rail contact net is fixed with the multi-dimension mounting hole, the multi-dimension fasteners are required to be carried, the complete adaptation is guaranteed, the transportation cost is high, and when the high-speed rail contact net is assembled in the actual field, the dimension deviation of the parts is caused, so that the screwing degree of the fasteners is insufficient.
Disclosure of utility model
The utility model aims to solve the problems that the common fasteners are mostly fixed for fixing the multi-size mounting holes on the high-speed rail contact net, so that the multi-size fasteners are required to be carried to ensure complete adaptation, the transportation cost is high, and the tightening degree of the fasteners is insufficient due to the size deviation of parts during actual field assembly, and the distance-adjustable high-speed rail contact net fastener is provided.
In order to achieve the purpose, the utility model adopts the following technical scheme that the high-speed rail contact net fastener with adjustable distance comprises:
The outer wall of the hollow screw sleeve is provided with external threads which are screwed with screw holes on the high-speed rail contact net, the inner wall is provided with an internal thread, and the upper end surface and the lower end surface are provided with a plurality of first jacks;
An upper bolt screwed at the upper end of the internal thread;
the first plug-in component is inserted into the hollow threaded sleeve and the upper bolt and is used for positioning the hollow threaded sleeve and the upper bolt;
a lower bolt screwed at the lower end of the internal thread;
The second plug-in component is inserted on the hollow threaded sleeve and the lower bolt and positions the hollow threaded sleeve and the lower bolt.
As a further description of the above technical solution:
The upper bolt comprises a first nut and a first stud in threaded connection with the internal thread, and a second jack corresponding to the top of the first plug-in unit is arranged on the first nut.
As a further description of the above technical solution:
The first plug-in components are pi style of calligraphy plug-in components that roof and a plurality of first inserted bar constitute, and the number of first inserted bar is less than the number of the first jack of hollow swivel nut corresponding terminal surface, and first inserted bar inserts second jack and first jack in proper order, and the roof imbeds in the second jack.
As a further description of the above technical solution:
The lower bolt comprises a second nut and a second stud in threaded connection with the internal thread, and a third jack corresponding to the top of the second plug-in unit is arranged on the second nut.
As a further description of the above technical solution:
The second plug-in components include the bottom plate, are located the spacing external member and the second inserted bar of a plurality of at bottom plate edge, and the number of second inserted bar is less than the number of the first jack of hollow swivel nut corresponding terminal surface, and the second inserted bar inserts third jack and first jack in proper order, and spacing external member cover is established on the second nut, and the horizontal cross-section size of bottom plate is less than the horizontal cross-section size of hollow swivel nut outer wall.
As a further description of the above technical solution:
Elastic elements are filled between the upper bolt and the lower bolt in the hollow threaded sleeve.
In summary, due to the adoption of the technical scheme, compared with the prior art, the utility model has the following beneficial effects:
1. The fastening piece is used for the threaded connection fixation of a structure on the high-speed railway contact net, in order to improve the threaded connection suitability of the fastening piece to multiple length dimension screw holes on the high-speed railway contact net, the hollow threaded sleeve is in threaded connection with the upper and lower end upper bolts and the lower bolts, and the insertion positioning is carried out through the insertion piece, so that the circumferential positioning of the bolts and the hollow threaded sleeve and the axial positioning of the bolts and the hollow threaded sleeve are realized, the length distance of the fastening piece is fixed, the length distance adjustment of the fastening piece is realized by controlling the screwing-in sizes in the internal threads of the upper bolts and the lower bolts, the operation assembly and the use are convenient, the applicability is wide, and the screwing-in degree with the installation hole of the high-speed railway contact net is high and stable.
2. The first plug-in components of pi style of calligraphy and the second plug-in components that are provided with the spacing external member of cover at the outer side of lower bolt are established, cooperate the interior elastic component that fills of hollow swivel nut between upper bolt and the lower bolt, further improve bolt and hollow swivel nut positioning stability.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a front cross-sectional view of a distance-adjustable high-speed rail catenary fastener.
Fig. 2 is a disassembled cross-sectional view of a connection structure of a hollow turnbuckle, an upper bolt and a first insert of a distance-adjustable high-speed rail catenary fastener.
Fig. 3 is a disassembled cross-sectional view of a connection structure of a hollow turnbuckle, a lower bolt and a second insert of a distance-adjustable high-speed rail catenary fastener.
Fig. 4 is a schematic structural view of a distance-adjustable fastener for a high-speed rail catenary.
Legend description:
1. The nut comprises a hollow threaded sleeve, 11, external threads, 12, internal threads, 13, a first jack, 2, an upper bolt, 21, a first nut, 22, a first stud, 23, a second jack, 3, a first insert, 31, a top plate, 32, a first insert rod, 4, a lower bolt, 41, a second nut, 42, a second stud, 43, a third jack, 5, a second insert, 51, a bottom plate, 52, a limit sleeve, 53 and a second insert rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 1-4, the present utility model provides a technical solution, which is a high-speed rail contact net fastener with adjustable distance, comprising:
The outer wall of the hollow screw sleeve 1 is provided with an external thread 11 which is in threaded connection with a screw hole on a high-speed rail contact net, the inner wall of the hollow screw sleeve is provided with an internal thread 12, and the upper end surface and the lower end surface of the hollow screw sleeve are provided with a plurality of first jacks 13;
An upper bolt 2 screwed on the upper end of the internal thread 12;
the first plug-in component 3 is inserted into the hollow screw sleeve 1 and the upper bolt 2 and is used for positioning the hollow screw sleeve and the upper bolt 2;
a lower bolt 4 screwed at the lower end of the internal thread 12;
the second insert 5 is inserted on the hollow screw sleeve 1 and the lower bolt 4 and positions the hollow screw sleeve and the lower bolt 4.
The fastening piece is used for the threaded connection fixation of a high-speed railway contact net structure, in order to improve the threaded connection suitability of the fastening piece for multiple length size screw holes on the high-speed railway contact net, the hollow threaded sleeve 1 is in threaded connection with the upper bolt 2 and the lower bolt 4 at the upper end and the lower end, and the first plug-in component 3 and the second plug-in component 5 are used for plug-in positioning, further the circumferential positioning of the bolts and the hollow threaded sleeve 1 is realized, the axial positioning of the bolts and the hollow threaded sleeve 1 is realized through the threaded connection structure, the length distance of the fastening piece is fixed, the screwing size in the internal threads 12 is controlled through the upper bolt 2 and the lower bolt 4, the length distance adjustment of the fastening piece is realized, the operation and the assembly are convenient to use, the applicability is wide, and the screwing degree with the high and stable high-speed railway contact net mounting hole is realized.
In this embodiment, the specific structure of the upper bolt 2 includes a first nut 21 and a first stud 22 screwed with the internal thread 12, where a second insertion hole 23 corresponding to the top of the first insert 3 is provided on the first nut 21.
Meanwhile, the first plug-in components 3 corresponding to the upper bolts 2 are pi-shaped plug-in components formed by the top plate 31 and a plurality of first plug-in rods 32, the number of the first plug-in rods 32 is smaller than that of the first plug-in holes 13 on the corresponding end surfaces of the hollow threaded sleeves 1, the first plug-in rods 32 are sequentially inserted into the second plug-in holes 23 and the first plug-in holes 13, the top plate 31 is embedded into the second plug-in holes 23, and the circumferential positioning stability of the upper bolts 2 and the hollow threaded sleeves 1 is improved.
Preferably, the lower bolt 4 comprises a second nut 41 and a second stud 42 screwed with the internal thread 12, and a third insertion hole 43 corresponding to the top of the second insert 5 is provided on the second nut 41.
Meanwhile, the corresponding second plug-in unit 5 comprises a bottom plate 51, a limiting sleeve 52 and a plurality of second plug-in rods 53, wherein the limiting sleeve 52 is positioned at the edge of the bottom plate 51, the number of the second plug-in rods 53 is smaller than that of the first plug-in holes 13 on the corresponding end face of the hollow screw sleeve 1, the second plug-in rods 53 are sequentially inserted into the third plug-in holes 43 and the first plug-in holes 13, the limiting sleeve 52 is sleeved on the second screw cap 41, and the horizontal section size of the bottom plate 51 is smaller than that of the outer wall of the hollow screw sleeve 1. Through the design, the stability of the positioning of the lower bolt 4 and the hollow shaft sleeve 1 is further improved. In this embodiment, the bottom plate 51 may be a cylinder or a polygonal column.
The first insert rod 32 and the second insert rod 53 are made of ductile high-strength steel materials, so that the shearing force when the fastener is screwed is overcome, and the first insert 3 and the second insert 5 are made of ductile high-strength steel materials.
In addition, elastic pieces are filled between the upper bolt 2 and the lower bolt 4 in the hollow screw sleeve 1, so that the positioning stability of the bolts and the hollow screw sleeve 1 is further improved.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. Distance-adjustable high-speed rail contact net fastener, characterized by comprising:
The outer wall of the hollow screw sleeve is provided with external threads which are screwed with screw holes on the high-speed rail contact net, the inner wall is provided with an internal thread, and the upper end surface and the lower end surface are provided with a plurality of first jacks;
the upper bolt is screwed at the upper end of the internal thread;
the first plug-in component is inserted into the hollow threaded sleeve and the upper bolt and used for positioning the hollow threaded sleeve and the upper bolt;
The lower bolt is in threaded connection with the lower end of the internal thread;
the second plug-in component is inserted on the hollow threaded sleeve and the lower bolt and positions the hollow threaded sleeve and the lower bolt.
2. The distance-adjustable high-speed rail overhead line system fastener according to claim 1, wherein the upper bolt comprises a first nut and a first stud screwed with the internal thread, and a second insertion hole corresponding to the top of the first insert is formed in the first nut.
3. The distance-adjustable high-speed rail contact net fastener according to claim 2, wherein the first plug-in components are pi-shaped plug-in components formed by a top plate and a plurality of first plug-in rods, the number of the first plug-in rods is smaller than the number of the first jacks on the corresponding end surfaces of the hollow threaded sleeves, the first plug-in rods are sequentially inserted into the second jacks and the first jacks, and the top plate is embedded into the second jacks.
4. The distance-adjustable high-speed rail overhead line system fastener according to claim 1, wherein the lower bolt comprises a second nut and a second stud screwed with the internal thread, and a third insertion hole corresponding to the top of the second insert is formed in the second nut.
5. The distance-adjustable high-speed rail contact net fastener according to claim 4, wherein the second plug-in unit comprises a bottom plate, a limiting sleeve piece positioned at the edge of the bottom plate and a plurality of second plug-in rods, the number of the second plug-in rods is smaller than the number of the first plug holes on the corresponding end face of the hollow screw sleeve, the second plug-in rods are sequentially inserted into the third plug holes and the first plug holes, the limiting sleeve piece is sleeved on the second screw cap, and the horizontal section size of the bottom plate is smaller than the horizontal section size of the outer wall of the hollow screw sleeve.
6. The distance-adjustable high-speed rail contact net fastener according to claim 1, wherein the hollow insert is filled with an elastic member between the upper bolt and the lower bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420647436.9U CN222229117U (en) | 2024-04-01 | 2024-04-01 | A high-speed railway contact network fastener with adjustable distance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420647436.9U CN222229117U (en) | 2024-04-01 | 2024-04-01 | A high-speed railway contact network fastener with adjustable distance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222229117U true CN222229117U (en) | 2024-12-24 |
Family
ID=93922503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420647436.9U Active CN222229117U (en) | 2024-04-01 | 2024-04-01 | A high-speed railway contact network fastener with adjustable distance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222229117U (en) |
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2024
- 2024-04-01 CN CN202420647436.9U patent/CN222229117U/en active Active
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