CN110239580B - Train wheel assembly with shaft type differential mechanism - Google Patents
Train wheel assembly with shaft type differential mechanism Download PDFInfo
- Publication number
- CN110239580B CN110239580B CN201910562306.9A CN201910562306A CN110239580B CN 110239580 B CN110239580 B CN 110239580B CN 201910562306 A CN201910562306 A CN 201910562306A CN 110239580 B CN110239580 B CN 110239580B
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- China
- Prior art keywords
- shaft
- half shaft
- axle
- left half
- right half
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000007246 mechanism Effects 0.000 title claims abstract description 32
- 239000004579 marble Substances 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- 238000003825 pressing Methods 0.000 claims description 13
- 238000003860 storage Methods 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T5/00—Vehicle modifications to facilitate cooling of brakes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C9/00—Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F15/00—Axle-boxes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a train wheel assembly with an axle type differential mechanism, which comprises a left half axle, a right half axle, a differential mechanism assembly, wheels and brake wheels, wherein the left half axle and the right half axle are symmetrically arranged and are mutually independent; the differential mechanism assembly comprises shaft sleeves, outer bushings and a top plate, wherein the shaft sleeves, the outer bushings and the top plate are symmetrically arranged on a left half shaft and a right half shaft, the shaft sleeves are sleeved on the left half shaft and the right half shaft, the outer bushings are sleeved outside the shaft sleeves, one ends, close to each other, of the shaft sleeves on the left half shaft and the right half shaft are provided with flanges, two ends of the outer bushings on the left half shaft and the right half shaft are provided with flanges I, the top plate is arranged on the outer bushings at intervals through the flanges I, and the shaft sleeves and the outer bushings on; set up the keyway on left side semi-axis and the right semi-axis respectively, set up a through-hole in the same radial direction with the keyway on the axle sleeve, the card key passes through the through-hole and installs in the keyway in proper order, and the card key sets up a marble towards one side of axle sleeve.
Description
Technical Field
The invention relates to the technical field of train wheels, in particular to a train wheel assembly with an axle type differential mechanism.
Background
The existing train wheels do not have differentials, and when a train turns, centrifugal force towards the outside of a curve is generated on a train body, and the centrifugal force is overcome by a method of heightening an outer rail. Because the two sets of wheel carriers of one carriage of the train are integrated, the track gauge at the curve is different and the track gauge is widened according to the different curvatures. The existing train wheel design mode has the defects that the rolling line value difference of the wheels generates larger snake-shaped stress, and the index resistance of train operation is larger.
In addition, the conventional train wheel is used as a rolling wheel and a brake wheel, and the wheel is heated and softened by high temperature generated during braking, so that excessive force cannot be used during braking, and the braking time is long.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides a train wheel assembly with an axle type differential mechanism.
The technical scheme of the invention is as follows:
the train wheel assembly with the axle type differential comprises a left half axle, a right half axle, a differential assembly, wheels and brake wheels, wherein the left half axle and the right half axle are symmetrically arranged and are mutually independent; the differential mechanism assembly comprises shaft sleeves, outer bushings and a top plate, wherein the shaft sleeves, the outer bushings and the top plate are symmetrically arranged on a left half shaft and a right half shaft, the shaft sleeves are sleeved on the left half shaft and the right half shaft, the outer bushings are sleeved outside the shaft sleeves, one ends, close to each other, of the shaft sleeves on the left half shaft and the right half shaft are provided with flanges, two ends of the outer bushings on the left half shaft and the right half shaft are provided with flanges I, the top plate is arranged on the outer bushings at intervals through the flanges I, and the shaft sleeves and the outer bushings on the left half; the left half axle and the right half axle on set up the keyway respectively, the keyway sets up more than 10 along same circumference interval respectively on left half axle and right half axle, set up a through-hole on the axle sleeve with the same radial direction of keyway on, the card key passes through the through-hole and installs in the keyway in proper order, the card key sets up a marble towards one side of axle sleeve.
The end parts of the left half shaft and the right half shaft, which are close to each other, are centrosymmetrically provided with connecting key grooves, and two ends of a central circular key are respectively inserted into the connecting key grooves on the left half shaft and the right half shaft.
A water tank is arranged on one side of the brake wheel, a water storage cavity is arranged on one side of the wheel, the water storage cavity is communicated with the water tank through a water through hole, and two water inlets are formed in the outer side of the wheel.
One side of the brake wheel is provided with a water tank plate corresponding to the water tank, and one side of the brake wheel is provided with a water tank plate I corresponding to the water storage cavity.
The inner side of the wheel is provided with a jacking plate, and the outer side of the wheel is provided with a ribbed plate.
The brake wheel is formed by welding four petals, and the inner side and the outer side of each petal are respectively provided with a welding opening.
The brake wheel is characterized in that spring mechanisms are arranged at one ends, close to the brake wheel, of the shaft sleeve and the outer bushing, mounting holes of the spring mechanisms are formed in the shaft sleeve and the outer bushing, and sealing rings are arranged on two sides of the spring mechanisms.
The spring mechanism comprises a positioning block, a pressing block, a screw and a spring, the positioning block is connected with the pressing block through the spring, the positioning block extends into the shaft sleeve, the pressing block is located outside the outer bushing, and the pressing block is fixed on the outer bushing through the screw.
The invention has the beneficial effects that:
1. the train wheel assembly provided by the invention provides a new design, namely, a shaft type differential mechanism is arranged on a train wheel shaft, and aims to solve the technical problem that the rolling line value of the existing train wheel is poor to generate larger snake-shaped stress and the problem that the index resistance of train running is larger, so that the service life of the train wheel is prolonged, and the maintenance cost of the train wheel is reduced.
2. According to the train wheel assembly, the brake wheel is additionally arranged on the inner side of the train wheel, so that 90% of braking effect can be provided, the damage of the tread of the train wheel is avoided, the braking effect of the train is greatly improved, the braking time is shortened, and the train wheel assembly can be replaced for the second time after being worn.
Drawings
FIG. 1 is a schematic structural view of a train wheel assembly according to the present invention;
FIG. 2 is an outboard plan view of the wheel;
FIG. 3 is an inboard plan view of the wheel;
FIG. 4 is a schematic view of the brake wheel structure;
FIG. 5 is a schematic view of the arrangement of the spring mechanism on the sleeve and outer bushing;
the numbers and corresponding structure names in the figure are as follows:
1-left half shaft, 2-right half shaft, 3-differential assembly, 4-wheel, 5-brake wheel, 6-shaft sleeve, 61-flange, 7-outer bushing, 71-flange I, 8-top plate, 9-bolt, 10-key groove, 11-through hole, 12-connecting key groove, 13-central circular key, 14-water tank, 15-bucket water hole, 16-water inlet, 17-water tank plate, 18-water tank plate I, 19-top plate, 20-rib plate, 21-weld opening, 22-seal ring, 23-spring mechanism, 24-mounting hole, 25-positioning block, 26-pressing block, 27-screw and 28-spring.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
Example 1
1-5, the train wheel assembly with axle type differential mechanism comprises a left half axle 1 and a right half axle 2 which are symmetrically arranged and are mutually independent, a differential mechanism assembly 3 connecting the left half axle and the right half axle, a wheel 4 and a brake wheel 5 which are arranged at the outer ends of the left half axle and the right half axle, wherein the brake wheel 5 is arranged at the inner side of the wheel; the differential mechanism assembly 3 comprises shaft sleeves 6, outer bushings 7 and a top plate 8 which are symmetrically arranged on a left half shaft and a right half shaft, the shaft sleeves 6 are sleeved on the left half shaft and the right half shaft, the outer bushings 7 are sleeved outside the shaft sleeves 6, flanges 61 are arranged at the ends, close to each other, of the shaft sleeves on the left half shaft and the right half shaft, flanges I71 are arranged at the two ends of the outer bushings on the left half shaft and the right half shaft, the top plate 8 is arranged on the outer bushings 7 at intervals through the flanges I71, and the shaft sleeves 6 and the outer bushings 7 on the left half shaft and the right half shaft are connected together through bolts 9; left side semi-axis and right semi-axis on set up keyway 10 respectively, keyway 10 sets up more than 10 along same circumference interval respectively on left side semi-axis and right semi-axis, set up a through-hole 11 with keyway 10 same radial direction on axle sleeve 6, the card key passes through the through-hole and installs in keyway 10 in proper order, the card key sets up a marble towards one side of axle sleeve 6.
The end parts of the left half shaft 1 and the right half shaft 2 which are close to each other are centrosymmetrically provided with connecting key grooves 12, and two ends of a central circular key 13 are respectively inserted into the connecting key grooves 12 on the left half shaft and the right half shaft. The left half shaft and the right half shaft can rotate around the central circular key 13, a clamping key is arranged on the shaft and provided with a marble, the clamping key is equivalent to a bearing, on one hand, the bearing can rotate, on the other hand, the left half shaft and the right half shaft are limited, and the axial outer ends of the left half shaft and the right half shaft are prevented from shifting.
A water tank 14 is arranged on one side of the brake wheel 5, a water storage cavity is arranged on one side of the wheel, the water storage cavity is communicated with the water tank 14 through a water through hole 15, and two water inlets 16 are arranged on the outer side of the wheel; the brake wheel 5 is provided with a water tank plate 17 corresponding to the water tank 14 on one side, and the water tank plate I18 corresponding to the water storage cavity on one side. The water tank 14 and the water storage cavity are arranged to play a role in silencing the wheels and the brake wheel and cool the wheels and the brake wheel.
The inner side of the wheel 4 is provided with a jacking plate 19, and the outer side is provided with a ribbed plate 20, so that the strength of the wheel is further enhanced.
The brake wheel 5 is formed by welding four petals, a welding opening 21 is formed in each petal at the inner side and the outer side, and the four petals are connected and installed with each other.
One ends of the shaft sleeve 6 and the outer bushing 7, which are close to the brake wheel 5, are provided with a spring mechanism 23, mounting holes 24 of the spring mechanism 23 are formed in the shaft sleeve 6 and the outer bushing 7, and sealing rings 22 are arranged on two sides of the spring mechanism 23; the spring mechanism 23 comprises a positioning block 25, a pressing block 26, a screw 27 and a spring 28, the positioning block 25 is connected with the pressing block 26 through the spring 28, the positioning block 25 extends into the shaft sleeve 6, the pressing block 26 is positioned outside the outer bushing 7, and the pressing block 26 is fixed on the outer bushing 7 through the screw 27; the spring mechanism 23 is equivalent to a small brake, and when the vehicle runs on a straight road, the differential assembly and the vehicle axle rotate at the same speed, and when the vehicle runs on a curve, the speed is regulated, and the spring mechanism plays a role of protecting the shaft sleeve 6, and preferably, the number of the spring mechanisms 23 is uniformly arranged at 4 along the axial direction of the shaft sleeve 6, as shown in fig. 5.
The assembly process of the train wheel assembly comprises the following steps:
in the attached drawing 1, the direction A is an external structure diagram of the left half part of the train wheel assembly, the direction B is a right half part sectional view of the train wheel assembly, the left half part and the right half part are symmetrical to each other, the left half shaft 1 and the right half shaft 2 are connected by a central circular key, then shaft sleeves 6 are symmetrically arranged at the connecting positions of the left half shaft and the right half shaft in sequence, the left half shaft and the right half shaft are rotated to enable one key groove 10 to correspond to a through hole 11 on the shaft sleeves, a clamping key is arranged in the key groove 10, then the left half shaft and the right half shaft are rotated again to enable the next key groove 10 to correspond to the through hole 11 on the shaft sleeve 6 and then the clamping key is arranged, and so on until all key grooves on the shaft are provided with the clamping key, a cover body is covered on the through hole of the shaft sleeves for sealing, then an outer bushing 7 is arranged outside the shaft sleeve 6, a spring mechanism 23 is arranged in an installation hole 24 and is, the shaft sleeves 6 and the outer bushings 7 on the left half shaft and the right half shaft are connected by bolts 9; and finally, a brake wheel 5 and a wheel 4 are respectively arranged at the outer ends of the left half shaft and the right half shaft.
The train wheel assembly provided by the invention provides a new design, namely, a shaft type differential mechanism is arranged on a train wheel shaft, and aims to solve the technical problem that the rolling line value of the existing train wheel is poor to generate larger snake-shaped stress and the problem that the index resistance of train running is larger, so that the service life of the train wheel is prolonged, and the maintenance cost of the train wheel is reduced.
According to the train wheel assembly, the wear-resistant steel brake wheel 5 is additionally arranged on the inner side of the train wheel, so that 90% of braking effect can be provided, the damage of the tread of the train wheel is avoided, the braking effect of the train is greatly improved, the braking time is shortened, and the train wheel assembly can be replaced for the second time after being worn.
The flange 61 and the flange I71 are respectively arranged at the end, close to each other, of the shaft sleeve 6 and the outer bushing 7, a hump is formed at the joint, the maximum stress position is located at the hump, wheels on two sides of the shaft run stably, and the hump is supported by the top plate 8, so that the stress balance and no deformation at the hump are ensured.
Claims (8)
1. Take axle type differential's train wheel assembly, its characterized in that: the brake device comprises a left half shaft (1) and a right half shaft (2) which are symmetrically arranged and are mutually independent, a differential assembly (3) connecting the left half shaft and the right half shaft, wheels (4) and brake wheels (5) which are arranged at the outer ends of the left half shaft and the right half shaft, wherein the brake wheels (5) are arranged on the inner sides of the wheels; the differential mechanism assembly (3) comprises shaft sleeves (6), outer bushings (7) and a top plate (8) which are symmetrically arranged on a left half shaft and a right half shaft, the shaft sleeves (6) are sleeved on the left half shaft and the right half shaft, the outer bushings (7) are sleeved outside the shaft sleeves (6), flanges (61) are arranged at one ends, close to each other, of the shaft sleeves on the left half shaft and the right half shaft, flanges I (71) are arranged at two ends of the outer bushings on the left half shaft and the right half shaft, the top plate (8) is arranged on the outer bushings (7) at intervals through the flanges I (71), and the shaft sleeves (6) and the outer bushings (7) on the left half shaft and the right half shaft are connected together through bolts (9; left side semi-axis and right side semi-axis on set up keyway (10) respectively, keyway (10) set up more than 10 along same circumference interval respectively on left side semi-axis and right side semi-axis, set up one through-hole (11) with keyway (10) same radial direction on axle sleeve (6), the card key passes through the through-hole and installs in keyway (10) in proper order, the card key sets up a marble towards one side of axle sleeve (6).
2. A train wheel assembly with an axle-type differential as claimed in claim 1, wherein: the end parts of the left half shaft (1) and the right half shaft (2) which are close to each other are centrosymmetrically provided with connecting key grooves (12), and two ends of a central circular key (13) are respectively inserted into the connecting key grooves (12) on the left half shaft and the right half shaft.
3. A train wheel assembly with an axle-type differential as claimed in claim 1, wherein: a water tank (14) is arranged on one side of the brake wheel (5), a water storage cavity is arranged on one side of the wheel, the water storage cavity is communicated with the water tank (14) through a water through hole (15), and two water inlets (16) are formed in the outer side of the wheel.
4. A train wheel assembly with an axle-type differential as claimed in claim 3, wherein: one side of the brake wheel (5) is provided with a water tank plate (17) corresponding to the water tank (14), and one side of the brake wheel is provided with a water tank plate I (18) corresponding to the water storage cavity.
5. A train wheel assembly with an axle-type differential as claimed in claim 1, wherein: the inner side of the wheel (4) is provided with a jacking plate (19), and the outer side is provided with a ribbed plate (20).
6. A train wheel assembly with an axle-type differential as claimed in any one of claims 1 to 5, wherein: the brake wheel (5) is formed by welding four petals, and a welding opening (21) is formed in each petal at the inner side and the outer side.
7. A train wheel assembly with an axle-type differential as claimed in claim 1, wherein: one end of the shaft sleeve (6) and one end of the outer bushing (7) close to the brake wheel (5) are provided with a spring mechanism (23), the shaft sleeve (6) and the outer bushing (7) are provided with mounting holes (24) of the spring mechanism (23), and two sides of the spring mechanism (23) are provided with sealing rings (22).
8. A train wheel assembly with an axle-type differential as claimed in claim 7, wherein: the spring mechanism (23) comprises a positioning block (25), a pressing block (26), a screw (27) and a spring (28), the positioning block (25) is connected with the pressing block (26) through the spring (28), the positioning block (25) extends into the shaft sleeve (6), the pressing block (26) is located outside the outer bushing (7), and the pressing block (26) is fixed on the outer bushing (7) through the screw (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910562306.9A CN110239580B (en) | 2019-06-26 | 2019-06-26 | Train wheel assembly with shaft type differential mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910562306.9A CN110239580B (en) | 2019-06-26 | 2019-06-26 | Train wheel assembly with shaft type differential mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110239580A CN110239580A (en) | 2019-09-17 |
| CN110239580B true CN110239580B (en) | 2021-03-23 |
Family
ID=67889661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910562306.9A Expired - Fee Related CN110239580B (en) | 2019-06-26 | 2019-06-26 | Train wheel assembly with shaft type differential mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110239580B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1610641A (en) * | 1926-02-09 | 1926-12-14 | Annie Wilson Reboul | Differential axle |
| CN2506529Y (en) * | 2001-08-16 | 2002-08-21 | 邵林嵩 | Speed changing mechanism for men power driven vehicle |
| CN200939805Y (en) * | 2006-08-24 | 2007-08-29 | 李信春 | Mainshaft assembly of manpower 2-wheel cycle |
| CN103625215B (en) * | 2013-11-04 | 2016-02-03 | 西南交通大学 | A kind of diff coupled wheelsets for city railway vehicle |
| CN204031848U (en) * | 2014-08-28 | 2014-12-24 | 重庆航天巴山摩托车制造有限公司 | Grain header transmission case steering mechanism |
| CN204415045U (en) * | 2015-01-27 | 2015-06-24 | 山东华安液压技术有限公司 | Split-type electrocar back axle |
| CN107891870B (en) * | 2017-11-10 | 2023-05-26 | 中唐空铁集团有限公司 | Air-iron transportation system |
-
2019
- 2019-06-26 CN CN201910562306.9A patent/CN110239580B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN110239580A (en) | 2019-09-17 |
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Granted publication date: 20210323 |