CN208585248U - A kind of dust-proof axle and track train - Google Patents

A kind of dust-proof axle and track train Download PDF

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Publication number
CN208585248U
CN208585248U CN201820983528.9U CN201820983528U CN208585248U CN 208585248 U CN208585248 U CN 208585248U CN 201820983528 U CN201820983528 U CN 201820983528U CN 208585248 U CN208585248 U CN 208585248U
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CN
China
Prior art keywords
hollow shaft
dust
dustproof cover
inserting column
proof
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Active
Application number
CN201820983528.9U
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Chinese (zh)
Inventor
刘兆金
马克
刘超
韩光旭
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CRRC Changchun Railway Vehicles Co Ltd
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CRRC Changchun Railway Vehicles Co Ltd
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Priority to CN201820983528.9U priority Critical patent/CN208585248U/en
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Abstract

The dust-proof axle of the utility model includes hollow shaft, is respectively equipped with bearing outside the both ends of hollow shaft, and hollow shaft is installed in axle box by bearing, and hollow shaft is for connecting wheel;Dustproof cover fixed in contrast is equipped in the axis hole outer end of hollow shaft, dustproof cover is equipped with the inserting column to match with hollow shaft axis hole shape and size, inserting column can be just from the axis hole that end is inserted into hollow shaft, so that the gland seal of hollow shaft, axis hole are isolated from the outside.After dustproof cover is arranged, the axis hole of hollow shaft is no longer in communication with the outside, and inside is not influenced by impurity, avoidable to corrode;Because dustproof cover is plugged in hollow shaft, dustproof cover can be removed from hollow shaft when needing to detect a flaw to hollow shaft, reinsert dustproof cover after flaw detection, prevented defect detecting liquid from invading shaft end element, to avoid failure.The utility model also provides a kind of track train comprising above-mentioned dust-proof axle, which can reach same technical effect.

Description

A kind of dust-proof axle and track train
Technical field
The utility model relates to railcar train steering framing wheels to technical field, further relate to a kind of dust-proof axle.This Outside, the utility model further relates to a kind of track train including above-mentioned dust-proof axle.
Background technique
Axle used in rail vehicle truck system is generally divided into solid axle and two kinds of hole-bored axle from end to end, hole-bored axle from end to end Axle weight can effectively be mitigated, to mitigate unsprung mass, improve vehicle traveling comfort and comfort, it is especially suitable In bullet train.
The both ends of hole-bored axle from end to end penetrate through setting, and the inner cavity of axle is exposed in axle box, the objects such as impurity, steam inside axle box Matter is easily accessible in hollow shaft, and axle is caused to corrode;In addition, EMU can facilitate flaw detection, remaining defect detecting liquid using hollow shaft It is easy to be flowed into axle box from hollow shaft, to invade the isometric end element of bearing, bearing rust is caused to fail, once corrosion meeting Greatly influence the safe operation of train.
Therefore, for those skilled in the art, external steam, impurity etc. how to be avoided to enter inside axle, It is the current technical issues that need to address.
Utility model content
The utility model provides a kind of dust-proof axle.The axle can prevent extraneous various impurity from entering hollow shaft inner cavity In, with anti-corrosion, it also can avoid defect detecting liquid and invade shaft end element, concrete scheme is as follows:
A kind of dust-proof axle, including hollow shaft, the both ends of the hollow shaft are respectively equipped with bearing, and are pacified by the bearing Loaded in axle box;The hollow shaft is equipped with dustproof cover fixed in contrast, the grafting of the dustproof cover at the outer end of axis hole Column is inserted into the axis hole of the hollow shaft, by the gland seal of the hollow shaft, the inner cavity of the axis hole is made to be isolated from the outside.
Optionally, circumferentially arranged sealing ring on the outer wall of the inserting column, the sealing ring are filled in the hollow shaft Inner cavity and the inserting column between gap.
Optionally, it is along the circumferential direction opened up on the outer wall of the inserting column for positioning the close of the sealing ring axial position Seal ring slot.
Optionally, the dustproof cover further includes the flange for being connected to the inserting column outer end, the inserting column and described convex Edge is T-shaped on longitudinal section;The radial dimension of the flange is greater than the diameter of the inserting column.
Optionally, the end of the hollow shaft is fixedly installed the baffle ring for being limited to the bearing;It is described The center of baffle ring is equipped with the through-hole for installing the dustproof cover.
Optionally, peripherally disposed connecting hole on the baffle ring, bolt pass through the connecting hole for the backstop Ring is fixed in the hollow shaft.
Optionally, the through-hole at the baffle ring center is equipped with internal screw thread, and the side wall of the flange is equipped with external screw thread, described Flange is connected with the baffle ring by screw thread.
Optionally, the inserting column is hollow structure, and the outer surface of the flange is equipped with axial blind hole, multiple described Blind hole is distributed by center of circle annular array of the center line of the flange.
Optionally, the dustproof cover is rubber dust cap or nylon dustproof cover.
The utility model also provides a kind of track train, including bogie and set on the bogie wheel to assembly, institute Stating wheel is dust-proof axle described in any of the above embodiments to the axle of assembly.The dust-proof axle of the utility model includes hollow shaft, It is respectively equipped with bearing outside the both ends of hollow shaft, hollow shaft is installed in axle box by bearing, hollow shaft is for connecting wheel; Dustproof cover fixed in contrast is equipped in the axis hole outer end of hollow shaft, dustproof cover is equipped with and hollow shaft axis hole shape and size phase Matched inserting column, inserting column can be just from the axis holes that end is inserted into hollow shaft, so that the gland seal of hollow shaft, axis hole It is isolated from the outside.After dustproof cover is arranged, the axis hole of hollow shaft is no longer in communication with the outside, and inside is not influenced by impurity, can avoid It corrodes;It, can be by dustproof cover from hollow shaft when needing to detect a flaw to hollow shaft because dustproof cover is plugged in hollow shaft It removes, reinserts dustproof cover after flaw detection, prevent defect detecting liquid from invading shaft end element, to avoid failure.
The utility model also provides a kind of train comprising above-mentioned dust-proof axle, which can reach same technology effect Fruit.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is that the dust-proof axle of the utility model is assemblied in the partial cutaway view in axle box;
Fig. 2 is the profilograph of dustproof cover.
Include: in figure
Hollow shaft 1, bearing 2, axle box 3, dustproof cover 4, inserting column 41, flange 42, sealing ring 5, baffle ring 6.
Specific embodiment
The core of the utility model is to provide a kind of dust-proof axle, can prevent introduced contaminants from entering hollow shaft inner cavity In, with anti-corrosion, it also can avoid defect detecting liquid and invade shaft end element.
In order to make those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with attached drawing and Explanation is described in detail to the dust-proof axle and train of the utility model in specific embodiment.
As shown in Figure 1, the dust-proof axle for the utility model is assemblied in the partial cutaway view in axle box;The utility model mentions For a kind of dust-proof axle, including hollow shaft 1, axis hole, the both ends difference of hollow shaft 1 is arranged in the inside of hollow shaft 1 along its length Equipped with bearing 2, hollow shaft 1 and the inner ring of bearing 2 are fixed, and hollow shaft 1 is installed in axle box 3 by bearing 2, in hollow shaft 1 Both ends are separately installed with wheel, wheel and rail contact, and the weight of train vehicle body is carried by hollow shaft 1.It is set in the outer end of axis hole Have and is equipped with the inserting column to match with 1 axis hole shape and size of hollow shaft with the relatively-stationary dustproof cover 4 of hollow shaft 1, dustproof cover 4 41, inserting column 41 can protrude into inside hollow shaft 1 from end, and the outer surface of inserting column 41 can connect with the shaft hole inner wall of hollow shaft 1 Touching, so that the inner cavity of hollow shaft 1 is isolated with the external world, inserting column 41 is mutually inserted with hollow shaft 1, and two keep relatively solid after insertion Fixed, the gland seal of hollow shaft 1 can be stopped external impurity to enter the inner cavity of axis hole, avoid axis hole quilt by inserting column 41 Corrosion;When needing to detect a flaw, inserting column 41 can be removed from hollow shaft 1, normal detection process not influenced, after the completion of flaw detection Inserting column 41 is tucked into again in hollow shaft 1, the axis hole of hollow shaft 1 is sealed again, to prevent defect detecting liquid from hollow shaft 1 It flows on the component of shaft end, shaft end component is avoided to corrode.
On the basis of above scheme, in order to further strengthen sealing effect, circumferentially set on the outer wall of inserting column 41 Sealing ring 5 is set, sealing ring 5 can be rubber ring, and positioning is fixed on the outer surface of inserting column 41, and sealing ring 5 is filled in hollow shaft 1 Gap between inner cavity and inserting column 41 further increases 1 inner cavity of hollow shaft and extraneous isolation effect.
To prevent sealing ring 5 in the outer surface shift position of inserting column 41, on the outer wall of inserting column 41 along the circumferential direction The closure gasket groove for 5 axial position of positioning seal ring is opened up, closure gasket groove is the ring being arranged in 41 outer surface depressions of inserting column Connected in star, the thickness of sealing ring 5 are greater than the depth of closure gasket groove, and 5 a part of sealing ring is fallen into closure gasket groove, exposed part Higher than the outer surface of inserting column 41.
Dustproof cover 4 further includes the flange 42 for being connected to 41 one end of inserting column, as shown in Fig. 2, being the longitudinal section of dustproof cover 4 Figure;Inserting column 41 and flange 42 are T-shaped on longitudinal section, and flange 42 is equivalent to the horizontal line above T, and grafting block 41 is equivalent to Vertical line below T, grafting block 41, which is inserted into hollow shaft 1, realizes isolation, limits the maximum that grafting block 41 is inserted by flange 42 Depth;The radial dimension of flange 42 is greater than the diameter of inserting column 41, and flange 42 can be contacted with the end of hollow shaft 1, can not be inserted into Into hollow shaft 1, the flange 42 in dustproof cover 4 exposes to hollow shaft 1, in case the completion of inserting column 41 is fallen into hollow shaft 1, it can be square Just it takes out.
The end of hollow shaft 1 is arranged baffle ring 6, and the outer diameter of baffle ring 6 is greater than the outer diameter of hollow shaft 1, and one of baffle ring 6 Side and the shaft end of hollow shaft 1 abut, and the two is fixed to each other, and baffle ring 6 is used for Limit Bearing 2, avoid bearing 2 from hollow shaft 1 Both ends fall.The center of baffle ring 6 opens up the through-hole for installing dustproof cover 4, and grafting block 1 is inserted into sky by baffle ring 6 In mandrel 1.
Baffle ring 6 is solderable to be connected in hollow shaft 1, can also be bolted to connection in hollow shaft 1;Preferably, in backstop Peripherally disposed connecting hole on ring 6, bolt pass through connecting hole and baffle ring 6 are fixed in hollow shaft 1;Settable three or Four bolts are fixed, and bolt addition is round, are arranged with the center line of hollow shaft 1 in center of circle annular array.
Further, internal screw thread is equipped on the through-hole side wall at 6 center of baffle ring, the side wall of flange 42 is equipped with outer spiral shell Line, flange 42 are connected with baffle ring 6 by screw thread;First baffle ring 6 and hollow shaft 1 are connected and fixed when installation, then will be dust-proof Lid 4 is tightened with baffle ring 6 by screw thread, until the end of flange 42 and hollow shaft 1 contacts.
Inserting column 41 is hollow structure, is inserted into the axially disposed weight loss groove in one end of hollow shaft 1, and inserting column 41 is hollow On the one hand on the other hand structure can make inserting column 41 be easy to generate flexible deformation with loss of weight;It is set on the outer surface of flange 42 There are blind hole namely blind hole to be axially disposed at one end that flange 42 exposes to hollow shaft 1, the radial dimension of flange 42 is larger, because Multiple weight loss grooves can be arranged in this by circumference, and multiple blind holes are distributed by center of circle annular array of the center line of flange 42, and blind hole is anti- Be centrosymmetric setting on dirt lid 4, and when guaranteeing that hollow shaft 1 rotates, rotary inertia is consistent everywhere.Blind hole on flange 42, On the one hand it can on the other hand be also convenient for rotating dustproof cover by tool operation with loss of weight, in order to mount and dismount
Preferably, dustproof cover 4 is rubber or nylon dustproof cover.
In addition, the utility model also provides a kind of train, including bogie and set on the bogie wheel to assembly, wheel Axle to assembly is above-mentioned dust-proof axle, which can be realized identical technical effect.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein The General Principle of justice, can realize in other embodiments without departing from the spirit or scope of the present utility model.Cause This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The widest scope consistent with features of novelty.

Claims (10)

1. a kind of dust-proof axle, which is characterized in that including hollow shaft (1), the both ends of the hollow shaft (1) are respectively equipped with bearing (2), it and by the bearing (2) is installed in axle box (3);The hollow shaft (1) is equipped in contrast at the outer end of axis hole Fixed dustproof cover (4), the inserting column (41) of the dustproof cover (4) is inserted into the axis hole of the hollow shaft (1), by the hollow shaft (1) gland seal makes the inner cavity of the axis hole be isolated from the outside.
2. dust-proof axle according to claim 1, which is characterized in that circumferentially arranged on the outer wall of the inserting column (41) Sealing ring (5), the sealing ring (5) are filled in the gap between the inner cavity of the hollow shaft (1) and the inserting column (41).
3. dust-proof axle according to claim 2, which is characterized in that on the outer wall of the inserting column (41) along the circumferential direction Open up the closure gasket groove for positioning the sealing ring (5) axial position.
4. dust-proof axle according to claim 2, which is characterized in that the dustproof cover (4) further includes being connected to described insert The flange (42) of column (41) outer end is connect, the inserting column (41) and the flange (42) are T-shaped on longitudinal section;It is described convex The radial dimension of edge (42) is greater than the diameter of the inserting column (41).
5. dust-proof axle according to claim 4, which is characterized in that the end fixed setting of the hollow shaft (1) is useful In the baffle ring (6) limited to the bearing (2);The center of the baffle ring (6) is equipped with for installing the dustproof cover (4) through-hole.
6. dust-proof axle according to claim 5, which is characterized in that peripherally disposed company on the baffle ring (6) Hole is connect, bolt passes through the connecting hole and the baffle ring (6) is fixed on the hollow shaft (1).
7. dust-proof axle according to claim 5, which is characterized in that the through-hole at baffle ring (6) center is equipped with interior spiral shell The side wall of line, the flange (42) is equipped with external screw thread, and the flange (42) is connected with the baffle ring (6) by screw thread.
8. dust-proof axle according to claim 6, which is characterized in that the inserting column (41) is hollow structure, described convex The outer surface of edge (42) is equipped with axial blind hole, and multiple blind holes are using the center line of the flange (42) as center of circle circular array Column distribution.
9. dust-proof axle according to claim 6, which is characterized in that the dustproof cover (4) is rubber dust cap or nylon Dustproof cover.
10. a kind of track train, including bogie and set on the bogie wheel to assembly, which is characterized in that the wheel pair The axle of assembly is the described in any item dust-proof axles of claim 1 to 9.
CN201820983528.9U 2018-06-25 2018-06-25 A kind of dust-proof axle and track train Active CN208585248U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820983528.9U CN208585248U (en) 2018-06-25 2018-06-25 A kind of dust-proof axle and track train

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820983528.9U CN208585248U (en) 2018-06-25 2018-06-25 A kind of dust-proof axle and track train

Publications (1)

Publication Number Publication Date
CN208585248U true CN208585248U (en) 2019-03-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820983528.9U Active CN208585248U (en) 2018-06-25 2018-06-25 A kind of dust-proof axle and track train

Country Status (1)

Country Link
CN (1) CN208585248U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110539771A (en) * 2018-06-25 2019-12-06 中车长春轨道客车股份有限公司 Dustproof axletree and rail train

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110539771A (en) * 2018-06-25 2019-12-06 中车长春轨道客车股份有限公司 Dustproof axletree and rail train

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