CN219989045U - Self-lubricating anti-wear connecting shaft for hanging additional line of high-speed electrified railway - Google Patents
Self-lubricating anti-wear connecting shaft for hanging additional line of high-speed electrified railway Download PDFInfo
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- CN219989045U CN219989045U CN202321596501.1U CN202321596501U CN219989045U CN 219989045 U CN219989045 U CN 219989045U CN 202321596501 U CN202321596501 U CN 202321596501U CN 219989045 U CN219989045 U CN 219989045U
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- self
- connecting shaft
- lubricating
- electrified railway
- wear
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- 239000000725 suspension Substances 0.000 claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000003466 welding Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 210000005069 ears Anatomy 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- Sliding-Contact Bearings (AREA)
Abstract
The utility model discloses a self-lubricating anti-wear connecting shaft for hanging an additional line of a high-speed electrified railway, which relates to the technical field of parts of electrified contact networks of high-speed railways. The self-lubricating anti-abrasion connecting shaft for the suspension of the additional line of the high-speed electrified railway can reduce the abrasion degree among parts, prolong the maintenance period of a suspension assembly and prolong the service life of the suspension assembly.
Description
Technical Field
The utility model relates to the technical field of high-speed railway electrified contact net parts, in particular to a self-lubricating anti-wear connecting shaft for hanging an additional line of a high-speed electrified railway.
Background
The connecting shaft for hanging the additional line of the traditional high-speed electrified railway is made of carbon steel, the connecting shaft is directly connected with the hanging component when in use, the carbon steel pieces are directly rubbed with each other, the abrasion condition is particularly serious, particularly in coastal and strong wind sections, the swinging frequency of the hanging component is higher under outdoor environmental conditions, the abrasion loss is larger, and the service life of the hanging component is further shortened.
Disclosure of Invention
The utility model aims to provide a self-lubricating anti-wear connecting shaft for hanging an additional line of a high-speed electrified railway, which solves the problems in the prior art, can reduce the degree of wear among parts, prolongs the maintenance period of a hanging assembly and prolongs the service life of the hanging assembly.
In order to achieve the above object, the present utility model provides the following solutions:
the utility model provides a self-lubricating anti-wear connecting shaft for hanging an additional line of a high-speed electrified railway, which comprises a connecting shaft body for connecting a hanging part and a hanging assembly, wherein one end of the connecting shaft body is provided with a limiting part, the threaded part at the other end of the connecting shaft body can penetrate through a self-lubricating bearing and is in threaded connection with a limiting part, the connecting shaft body is in interference fit with the self-lubricating bearing, the self-lubricating bearing can penetrate through the hanging assembly, the self-lubricating bearing is in clearance fit with a connecting hole of the hanging assembly, and the limiting part is matched with the limiting part to prevent the self-lubricating bearing from moving back and forth on the connecting shaft body.
Preferably, the connecting shaft body is made of Q355B steel.
Preferably, the diameter of the connecting shaft body is 18mm.
Preferably, the self-lubricating bearing has a length of L-40mm.
Compared with the prior art, the utility model has the following technical effects:
according to the self-lubricating anti-wear connecting shaft for the suspension of the additional line of the high-speed electrified railway, provided by the utility model, the suspension assembly can rotate around the connecting shaft body by arranging the self-lubricating bearing, so that the mutual abrasion among parts is reduced, and the purposes of prolonging the maintenance period of the suspension assembly and prolonging the service life of the suspension assembly are achieved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of a self-lubricating anti-wear connecting shaft for hanging an additional line of a high-speed electrified railway;
fig. 2 is a schematic structural diagram of the self-lubricating anti-wear connecting shaft for suspending the additional line of the high-speed electrified railway, which is applied to the connection of a welding lug and a double-lug part;
FIG. 3 is a schematic structural view of the self-lubricating wear-resistant connecting shaft for suspending the additional wire of the high-speed electrified railway, which is provided by the utility model, applied to the connection of a welding lug and a double-lug part;
fig. 4 is a schematic structural diagram of the self-lubricating anti-wear connecting shaft for suspending the additional line of the high-speed electrified railway, which is applied to the connection of the welding double ears and the rotating flat double ears;
fig. 5 is a schematic structural view of the self-lubricating anti-wear connecting shaft for hanging the additional line of the high-speed electrified railway, which is applied to the connection of the welding double ears and the pestle ring rod;
fig. 6 is a schematic structural diagram of the self-lubricating anti-wear connecting shaft for suspending the additional line of the high-speed electrified railway, which is applied to the connection of the triangular connecting plate and the double-lug part;
fig. 7 is a schematic structural diagram of the self-lubricating anti-wear connecting shaft for suspending the additional line of the high-speed electrified railway, which is applied to the connection of the triangular connecting plate and the double-lug part;
FIG. 8 is a schematic structural view of the self-lubricating wear-resistant connecting shaft for hanging the additional wire of the high-speed electrified railway, which is applied to the connection of the welding triangle connecting plate and the double-lug part;
FIG. 9 is a schematic structural view of the self-lubricating wear-resistant connecting shaft for hanging the additional wire of the high-speed electrified railway, which is applied to the connection of the welding triangle connecting plate and the double-lug part;
FIG. 10 is a schematic structural view of the self-lubricating wear-resistant connecting shaft for hanging the additional wire of the high-speed electrified railway, which is applied to the connection of the welding triangle connecting plate and the double-lug part;
FIG. 11 is a schematic structural view of the self-lubricating wear-resistant connecting shaft for hanging the additional wire of the high-speed electrified railway, which is applied to the connection of the welding triangle connecting plate and the double-lug part;
FIG. 12 is a schematic illustration of a construction of the self-lubricating wear-resistant connecting shaft for suspension of additional wires of a high-speed electrified railway of the present utility model applied to a two-wire integral suspension connection;
FIG. 13 is a schematic illustration of a construction of the self-lubricating wear-resistant connecting shaft for suspension of additional lines of a high-speed electrified railway of the present utility model applied to a two-wire integral suspension connection;
in the figure: 100-self-lubricating anti-wear connecting shaft for hanging additional lines of high-speed electrified railway; 1-a connecting shaft body; 11-a limiting part; 2-self-lubricating bearings; 3-limiting piece.
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.
The utility model aims to provide a self-lubricating anti-wear connecting shaft for hanging an additional line of a high-speed electrified railway, which solves the problems existing in the prior art, can reduce the degree of wear among parts, prolongs the maintenance period of a hanging assembly and prolongs the service life of the hanging assembly.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
The utility model provides a self-lubricating anti-wear connecting shaft 100 for hanging an additional line of a high-speed electrified railway, as shown in fig. 1, in the embodiment, the self-lubricating anti-wear connecting shaft comprises a connecting shaft body 1 for connecting a hanging part and a hanging component, one end of the connecting shaft body 1 is provided with a limiting part 11, the threaded part at the other end of the connecting shaft body 1 can penetrate through a self-lubricating bearing 2 and is in threaded connection with a limiting part 3, the connecting shaft body 1 is in interference fit with the self-lubricating bearing 2, the self-lubricating bearing 2 can penetrate through the hanging component, the self-lubricating bearing 2 is in precise clearance fit with a connecting hole of the hanging component, and the limiting part 3 and the limiting part 11 are matched to prevent the self-lubricating bearing 2 from moving back and forth on the connecting shaft body 1.
The self-lubricating anti-wear connecting shaft 100 for the suspension of the additional line of the high-speed electrified railway, which is provided by the utility model, can be connected to the suspension part, one end of the self-lubricating anti-wear connecting shaft 100 for the suspension of the additional line of the high-speed electrified railway, which is not provided with the limiting part 11, can sequentially pass through the suspension part and is in threaded connection with the limiting part 3, the connecting shaft body 1 is in interference fit with the self-lubricating bearing 2, the limiting part 3 is preferably a nut, the self-lubricating bearing 2 is arranged in a connecting hole of the suspension part in a penetrating way, the self-lubricating bearing 2 is in precise clearance fit with the connecting hole of the suspension part, the connecting shaft body 1 is in contact with the suspension part, and when the suspension part swings, the suspension part can rotate around the self-lubricating bearing 2, so that the mutual abrasion between the suspension part and the connecting shaft body 1 is reduced, and the purposes of prolonging the maintenance period of the suspension part and prolonging the service life of the suspension part are achieved.
The connecting shaft body 1 is made of Q355B low alloy high strength steel, and the self-lubricating bearing 2 is preferably a copper-based maintenance-free self-lubricating bearing of GB/T18324 or JB/T10311.
The self-lubricating anti-wear connecting shaft 100 for the suspension of the additional line of the high-speed electrified railway is applied to the self-lubricating anti-wear connection of the single-lug assembly and the double-lug assembly, as shown in fig. 2-13, the length of the self-lubricating bearing 2 is L-40mm, the length of the self-lubricating bearing 2 is adapted according to the length L of the connecting shaft body, the diameter of the connecting shaft body 1 is 18mm, the length of the self-lubricating bearing 2 and the diameter of the connecting shaft body 1 can be adaptively adjusted according to the use requirement, and when the suspension assembly is in a single-lug and double-lug connection mode, the self-lubricating anti-wear connecting shaft 100 for the suspension of the additional line of the high-speed electrified railway respectively penetrates through the double-lug hole and the single-lug hole, so that the single-lug assembly and the double-lug assembly connected by the self-lubricating anti-wear connecting shaft uniformly bear force on the same axis, and the phenomenon of stress deflection and concentrated wear cannot occur.
The principles and embodiments of the present utility model have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.
Claims (4)
1. The utility model provides a high-speed electrified railway additional line hangs with self-lubricating abrasionproof connecting axle, includes the connecting axle body that is used for connecting suspension portion and suspension element, its characterized in that: one end of the connecting shaft body is provided with a limit part, the threaded part at the other end of the connecting shaft body can pass through a self-lubricating bearing and is in threaded connection with a limit part, the connecting shaft body is in interference fit with the self-lubricating bearing, the self-lubricating bearing can pass through the suspension assembly, the self-lubricating bearing is in clearance fit with a connecting hole of the suspension assembly, and the limiting piece is matched with the limiting part to prevent the self-lubricating bearing from moving back and forth on the connecting shaft body.
2. The self-lubricating wear-resistant connecting shaft for hanging additional wires of high-speed electrified railway as claimed in claim 1, wherein: the connecting shaft body is made of Q355B steel.
3. The self-lubricating wear-resistant connecting shaft for hanging additional wires of high-speed electrified railway as claimed in claim 1, wherein: the diameter of the connecting shaft body is 18mm.
4. The self-lubricating wear-resistant connecting shaft for hanging additional wires of high-speed electrified railway as claimed in claim 1, wherein: the self-lubricating bearing has a length of L-40mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321596501.1U CN219989045U (en) | 2023-06-21 | 2023-06-21 | Self-lubricating anti-wear connecting shaft for hanging additional line of high-speed electrified railway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321596501.1U CN219989045U (en) | 2023-06-21 | 2023-06-21 | Self-lubricating anti-wear connecting shaft for hanging additional line of high-speed electrified railway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219989045U true CN219989045U (en) | 2023-11-10 |
Family
ID=88620389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321596501.1U Active CN219989045U (en) | 2023-06-21 | 2023-06-21 | Self-lubricating anti-wear connecting shaft for hanging additional line of high-speed electrified railway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219989045U (en) |
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2023
- 2023-06-21 CN CN202321596501.1U patent/CN219989045U/en active Active
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