CN220646424U - Anticorrosive cover of contact net bolt - Google Patents
Anticorrosive cover of contact net bolt Download PDFInfo
- Publication number
- CN220646424U CN220646424U CN202322113681.XU CN202322113681U CN220646424U CN 220646424 U CN220646424 U CN 220646424U CN 202322113681 U CN202322113681 U CN 202322113681U CN 220646424 U CN220646424 U CN 220646424U
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- CN
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- Prior art keywords
- bolt
- sleeve
- corrosion
- locking
- locking bolt
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- 238000005260 corrosion Methods 0.000 claims abstract description 28
- 210000000707 wrist Anatomy 0.000 claims description 8
- 230000007797 corrosion Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model discloses an anti-corrosion sleeve for a contact net bolt, which relates to the technical field of accessories for the contact net and comprises a supporting rod, wherein one side of the upper end of the supporting rod is fixedly provided with a flat cantilever through a locking bolt, the middle part of the flat cantilever is slidably provided with a sliding ring, one side of the lower end of the supporting rod is fixedly provided with an inclined cantilever through a locking bolt, and the anti-corrosion sleeve assemblies for the locking bolt are arranged at the two ends of the locking bolt.
Description
Technical Field
The utility model relates to the technical field of accessories for overhead contact systems, in particular to an anti-corrosion sleeve for overhead contact system bolts.
Background
In the prior art, the contact net flat cantilever and the positioning pipe cap are G-shaped steel pipe caps. However, the metal pipe cap is heavier than the composite pipe cap, the iron pipe cap is easy to loosen due to the influence of high-frequency vibration when a train passes through in long-term operation, and meanwhile, the bolt is easy to be corroded due to damp when being exposed to the outside air for a long time, so that the bolt is required to be protected by the bolt anti-corrosion sleeve;
the existing bolt anti-corrosion sleeve is generally composed of two rubber sleeves, bolts are wrapped through the elasticity of the rubber sleeves, the bolts are prevented from being corroded by external water vapor, however, the rubber sleeves are exposed to the outside to accelerate aging speed, meanwhile, when a motor car runs fast, strong impact air flow can be generated, the impact air flow can impact the rubber sleeves, the rubber sleeves are further enabled to fall off easily, and the contact net bolt anti-corrosion sleeve is provided.
Disclosure of Invention
The utility model aims to solve the problem that in the prior art, a bolt anti-corrosion sleeve is easy to impact by air flow and then fall off.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a contact net bolt anti-corrosion sleeve, includes the bracing piece, upper end one side of bracing piece is equipped with the fixed flat cantilever of lock bolt through fixing, the middle part of flat cantilever slides and is equipped with the slip ring, lower extreme one side of bracing piece is equipped with the oblique cantilever through fixing the lock bolt of lock bolt, the other end of oblique cantilever is fixedly connected with the lower extreme of slip ring, the junction of oblique cantilever and slip ring is equipped with the anti-corrosion sleeve subassembly of bolt that is used for preventing lock bolt corrosion;
the anti-corrosion bolt sleeve assembly comprises a nut sleeve sleeved at one end of the locking bolt and a bolt sleeve sleeved at the other end of the locking bolt, a T-shaped fixing rod is fixedly arranged in the middle of one end of the nut sleeve, a U-shaped limiting rod is rotatably arranged in the middle of the T-shaped fixing rod, rectangular grooves are formed in two ends of the U-shaped limiting rod, a rotating shaft is fixedly arranged in the rectangular grooves, and a connecting rod is rotatably arranged in the middle of the rotating shaft;
the middle part symmetry of bolt housing is fixed and is equipped with two spacing lugs, the locating hole that a plurality of cooperation spacing lugs used has been seted up at the middle part of connecting rod, the connecting rod passes through locking screw and the fixed setting of spacing lug, the internal thread hole that cooperation locking screw used has been seted up at the middle part of spacing lug.
The technical scheme further comprises the following steps:
and sealing gaskets are arranged on the inner sides of the nut sleeve and the bolt sleeve.
The technical scheme further comprises the following steps:
the inner sides of the two ends of the U-shaped limiting rod are arc-shaped.
The technical scheme further comprises the following steps:
the nut sleeve and the bolt sleeve are internally provided with placing grooves matched with the locking bolts.
The technical scheme further comprises the following steps:
the middle part of the bolt sleeve is provided with a cylindrical through hole which is convenient for the screw rod in the locking bolt to extend out.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the bolt anti-corrosion sleeve assemblies are arranged at the two ends of the locking bolt, so that the locking bolt can be effectively wrapped, further, the locking bolt is prevented from being corroded in long-time use, the nut sleeve and the bolt sleeve can be firmly connected through the mutual matching of the U-shaped limiting rod, the connecting rod, the limiting lug, the locking screw and the T-shaped fixing rod, the nut sleeve and the bolt sleeve are prevented from being dropped due to strong air flow impact generated in the running process of the driven vehicle after the nut sleeve and the bolt sleeve are sleeved, and further, the service lives of the nut sleeve and the bolt sleeve are effectively prolonged.
Drawings
Fig. 1 is a schematic diagram of a contact net support rod structure according to the present utility model;
fig. 2 is a schematic diagram of a bolt anti-corrosion sleeve assembly arrangement position according to the present utility model;
FIG. 3 is a schematic view of a bolt anti-corrosion sleeve assembly according to the present utility model;
FIG. 4 is a cross-sectional view of a nut housing according to the present utility model;
FIG. 5 is a schematic view of the installation structure of the bolt anti-corrosion sleeve assembly according to the present utility model;
fig. 6 is a cross-sectional view of a bolt housing according to the present utility model.
In the figure: 1. a support rod; 2. a wrist arm; 201. a slip ring; 3. an inclined wrist arm; 4. a wrist support; 5. a locking bolt; 6. a bolt anti-corrosion sleeve assembly; 601. a nut sleeve; 602. a bolt sleeve; 603. a U-shaped limit rod; 604. a rotating shaft; 605. a connecting rod; 606. a limit bump; 607. locking a screw; 608. t-shaped fixing 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.
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.
As shown in fig. 1-6, the anti-corrosion sleeve for the contact net bolt provided by the utility model comprises a supporting rod 1, wherein a flat cantilever 2 is fixedly arranged on one side of the upper end of the supporting rod 1 through a locking bolt 5 fixedly arranged, a sliding ring 201 is slidably arranged in the middle of the flat cantilever 2, an inclined cantilever 3 is fixedly arranged on one side of the lower end of the supporting rod 1 through a locking bolt 5 fixedly arranged, the other end of the inclined cantilever 3 is fixedly connected with the lower end of the sliding ring 201, and a bolt anti-corrosion sleeve component 6 for preventing the locking bolt 5 from being corroded is arranged at the joint of the inclined cantilever 3 and the sliding ring 201;
the bolt anti-corrosion sleeve assembly 6 comprises a nut sleeve 601 sleeved on one end of the locking bolt 5 and a bolt sleeve 602 sleeved on the other end of the locking bolt 5, a T-shaped fixing rod 608 is fixedly arranged in the middle of one end of the nut sleeve 601, a U-shaped limiting rod 603 is rotatably arranged in the middle of the T-shaped fixing rod 608, rectangular grooves are formed in two ends of the U-shaped limiting rod 603, a rotating shaft 604 is fixedly arranged in the rectangular grooves, and a connecting rod 605 is rotatably arranged in the middle of the rotating shaft 604;
two limit bumps 606 are symmetrically and fixedly arranged in the middle of the bolt sleeve 602, a plurality of locating holes matched with the limit bumps 606 are formed in the middle of the connecting rod 605, the connecting rod 605 is fixedly arranged with the limit bumps 606 through locking screws 607, and an internal thread hole matched with the locking screws 607 is formed in the middle of the limit bumps 606.
Further, the inner sides of the nut sleeve 601 and the bolt sleeve 602 are respectively provided with a sealing gasket, and the sealing gasket can further increase the sealing effect of the nut sleeve 601 and the bolt sleeve 602.
Further, the inner sides of the two ends of the U-shaped limiting rod 603 are arc-shaped, and the U-shaped limiting rod 603 can be better attached to the nut sleeve 601 and the bolt sleeve 602 due to the fact that the nut sleeve 601 and the bolt sleeve 602 are integrally cylindrical.
Further, the nut sleeve 601 and the bolt sleeve 602 are provided with a placing groove matched with the locking bolt 5.
Further, a cylindrical through hole is formed in the middle of the bolt housing 602 to facilitate the extension of the screw in the lock bolt 5.
From the above, after the flat cantilever 2, the inclined cantilever 3 and the sliding ring 201 are fixedly connected through the locking bolt 5, an operator can sleeve the bolt anti-corrosion sleeve assembly 6 outside the locking bolt 5, sleeve the nut sleeve 601 at one end of the locking bolt 5, then determine the setting position of the bolt sleeve 602, since the nut of the locking bolt 5 is integrally arranged in a hexagonal shape, two limit protrusions 606 in the middle of the bolt sleeve 602 need to be determined to be exposed, otherwise, the connecting rod 605 cannot be mutually matched with the limit protrusions 606, after the setting position of the bolt sleeve 602 is determined, the U-shaped limit rod 603 in the middle of the T-shaped fixing rod 608 is rotated, so that the two connecting rods 605 can be clamped with the two limit protrusions 606, then the connecting rod 605 is rotated, the connecting rod 605 is rotated to clamp a certain angle, then the connecting rod 605 is rotated at the limit protrusions 606, the locating hole in the middle of the connecting rod 605 is clamped into the middle of the limit protrusions 606, and finally the locking screw 607 is screwed into the internal thread hole in the middle of the limit protrusions 606, so that the connecting rod 605 is prevented from sliding out, and protection of the locking bolt 5 is completed.
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 (5)
1. The utility model provides a contact net bolt anti-corrosion sleeve, includes bracing piece (1), upper end one side of bracing piece (1) is equipped with flat wrist arm (2) through fixed locking bolt (5) that is equipped with, the middle part of flat wrist arm (2) is slided and is equipped with slip ring (201), lower extreme one side of bracing piece (1) is equipped with oblique wrist arm (3) through fixed locking bolt (5) that is equipped with fixedly, the other end of oblique wrist arm (3) is fixedly connected with the lower extreme of slip ring (201), its characterized in that, the junction of oblique wrist arm (3) and slip ring (201) is equipped with bolt anti-corrosion sleeve subassembly (6) that are used for preventing locking bolt (5) corrosion;
the anti-corrosion bolt sleeve assembly (6) comprises a nut sleeve (601) sleeved at one end of a locking bolt (5) and a bolt sleeve (602) sleeved at the other end of the locking bolt (5), a T-shaped fixing rod (608) is fixedly arranged in the middle of one end of the nut sleeve (601), a U-shaped limiting rod (603) is rotatably arranged in the middle of the T-shaped fixing rod (608), rectangular grooves are formed in two ends of the U-shaped limiting rod (603), a rotating shaft (604) is fixedly arranged in the rectangular grooves, and a connecting rod (605) is rotatably arranged in the middle of the rotating shaft (604);
the middle part symmetry of bolt cover (602) is fixed and is equipped with two spacing lugs (606), the locating hole that a plurality of cooperation spacing lugs (606) used has been seted up at the middle part of connecting rod (605), connecting rod (605) are through locking screw (607) and spacing lug (606) fixed setting, the internal thread hole that cooperation locking screw (607) used has been seted up at the middle part of spacing lug (606).
2. The overhead line system bolt corrosion protection sleeve according to claim 1, wherein sealing washers are arranged on the inner sides of the nut sleeve (601) and the bolt sleeve (602).
3. The contact net bolt anti-corrosion sleeve according to claim 1, wherein inner sides of two ends of the U-shaped limiting rod (603) are arc-shaped.
4. The overhead line system bolt corrosion protection sleeve according to claim 1, wherein the nut sleeve (601) and the bolt sleeve (602) are provided with a placing groove matched with the locking bolt (5) for use.
5. The overhead line system bolt corrosion protection sleeve according to claim 1, wherein a cylindrical through hole which is convenient for a screw rod in the locking bolt (5) to extend is formed in the middle of the bolt sleeve (602).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322113681.XU CN220646424U (en) | 2023-08-08 | 2023-08-08 | Anticorrosive cover of contact net bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322113681.XU CN220646424U (en) | 2023-08-08 | 2023-08-08 | Anticorrosive cover of contact net bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220646424U true CN220646424U (en) | 2024-03-22 |
Family
ID=90290083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322113681.XU Active CN220646424U (en) | 2023-08-08 | 2023-08-08 | Anticorrosive cover of contact net bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220646424U (en) |
-
2023
- 2023-08-08 CN CN202322113681.XU patent/CN220646424U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |