CN108468731A - Split type wheel used for rail vehicle is brake disk mounted - Google Patents
Split type wheel used for rail vehicle is brake disk mounted Download PDFInfo
- Publication number
- CN108468731A CN108468731A CN201810532201.4A CN201810532201A CN108468731A CN 108468731 A CN108468731 A CN 108468731A CN 201810532201 A CN201810532201 A CN 201810532201A CN 108468731 A CN108468731 A CN 108468731A
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- Prior art keywords
- disk body
- locating piece
- protrusion
- hole portion
- along
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/12—Discs; Drums for disc brakes
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The present invention proposes that a kind of split type wheel used for rail vehicle is brake disk mounted, including disk body, disk body includes multiple disk body sections, multiple disk body sections along the circumferential direction arrange, in the presence of at least a pair of adjacent disk body section, the end being mutually butted is provided with convex block in side, and convex block has the first protrusion, first protrusion is radially extended along disk body, and convex block offers the first hole portion along the radial direction of disk body；Further include locating piece, locating piece has a recess portion, recess portion along disk body be radially orientated or away from the center of disk body, locating piece offers the second hole portion along the radial direction of disk body；The recess portion of locating piece is tightly sleeved in the outside of two convex blocks, and to constrain the relative displacement between adjacent disk body section circumferentially, the second hole portion and the first hole portion are coaxial, to be fixed locating piece and convex block by bolt.The present invention can improve the brake disk mounted processing efficiency and safety in utilization of split type wheel.
Description
Technical field
The invention belongs to rail vehicle braking technical fields, more particularly to a kind of split type wheel dress braking used for rail vehicle
Disk.
Background technology
In order to ensure enough brake force, it is brake disk mounted that rail vehicle mostly uses the wheel as shown in Fig. 1 (a) to Fig. 1 (c).
As shown in Fig. 1 (a) to Fig. 1 (c), brake disc tool is there are two disk body 2', when assembly, passes through nut 3', bolt 4' and spacer 5'
Two disk body 2' are fastened on wheel spoke, positioning pin 7' is installed, so as to come by positioning pin 7' between wheel 1' and disk body 2'
Brake force is transmitted, is then mounted on axle 6' with wheel 1'；When vehicle implements braking, brake pad, which compresses, to be arranged in wheel 1'
The brake disc of both sides, thus generates frictional force and braking moment, and the kinetic energy and potential energy when by vehicle movement are thermal energy, from
And achieve the purpose that make vehicle deceleration or parking.
Brake disc is divided into split type and two kinds of structure types of monoblock type, wherein Split-type brake disc be by disk body be divided into
Few two parts, the disk body that forms a whole is assembled up by connector by each section, split type relative to monoblock type brake disc
Brake disc biggest advantage is the wheel that need not back off when replacing disk body, therefore the replacement efficiency of disk body is higher.
Chinese utility model patent CN201944155U discloses a kind of split type wheel dress system for rail traffic vehicles
Moving plate, including two groups of disk bodies, every group of disk body include at least two small disk bodies, pass through broached-tooth design snapping, sawtooth between small disk body
Structure offers through-hole along the radial direction of disk body, with after when adjacent small disk body snapping, by bolt and nut by adjacent small disk body
It is fixed together.
However, above-mentioned Split-type brake disc is on the one hand there are higher requirement on machining accuracy, with ensure adjacent small disk body it
Between broached-tooth design can be fitted close, on the other hand in the circumferential direction of disk body (circumferencial direction), bolt as it is main by
Power part constantly bears to shear during use, so that bolt premature fatigue, and then there are higher security risks.
Invention content
The present invention proposes that one kind can improve processing for the existing split type brake disk mounted existing above-mentioned technical problem of wheel
The split type wheel used for rail vehicle of efficiency and safety in utilization is brake disk mounted.
In order to achieve the above object, the technical solution adopted by the present invention is：
A kind of split type wheel used for rail vehicle is brake disk mounted, including disk body, disk body include multiple disk body sections, multiple disk body sections
It along the circumferential direction arranges, there is at least a pair of adjacent disk body section, the end being mutually butted is provided with convex block in side, convex
There is block the first protrusion, the first protrusion to be radially extended along disk body, and convex block offers the first hole portion along the radial direction of disk body；Further include
There is recess portion, recess portion to be radially orientated or away from the center of disk body, radial direction of the locating piece along disk body along disk body for locating piece, locating piece
Offer the second hole portion；The recess portion of locating piece is tightly sleeved in the outside of two convex blocks, to constrain edge between adjacent disk body section
Circumferential relative displacement, the second hole portion and the first hole portion are coaxial, to be fixed locating piece and convex block by bolt.
Preferably, the locating piece is in I-shaped, so that there are two the recess portions for locating piece tool, it is located at the disk body section
The convex block of the same end is two, and for two convex blocks along the radial distribution of the disk body, two convex blocks are located at locating piece
First protrusion of both sides, two convex blocks is socketed with two recess portions of locating piece respectively.
Preferably, also there is the convex block the second protrusion, the second protrusion to be located at the locating piece along disk body radial direction
Side, the second protrusion contacts with locating piece, being moved with constraining locating piece along disk body is radial.
Preferably, first protrusion have can the first protrusion adjacent thereto contact contact surface, the first protrusion connects
Contacting surface and the end face of the disk body section are coplanar, with when adjacent discs portion contacts, the contact face paste of adjacent first protrusion
It closes, first hole portion is opened on the first protrusion, and the first hole portion is semicircle, in the contact face paste when adjacent first protrusion
Round hole is formed after conjunction, second hole portion is opened on the recess portion of the locating piece.
Preferably, the inner wall of first hole portion is smooth surface.
Preferably, first hole portion is threaded hole.
Preferably, the both ends of each disk body section are both provided with the convex block, it is all provided between each pair of adjacent discs portion
It is equipped with the locating piece, to constrain the relative displacement between adjacent discs portion.
Preferably, the disk body section quantity of the same disk body is two.
Compared with prior art, the advantages and positive effects of the present invention are：
1, the present invention split type wheel used for rail vehicle is brake disk mounted is easy to reach by the way that convex block and locating piece, process is arranged
To required precision, while in braking, locating piece replaces bolt, as the main force structure along disk body circumferential direction, so that
Bolt, by minimum shearing, then ensure that the anti-fatigue performance of bolt, improve the service life of bolt on disk body is circumferential,
And then improve the brake disk mounted safety in utilization of split type wheel.
2, the present invention by locating piece by being set as I-shaped, on the one hand so that the both sides of locating piece can be to adjacent disc
Relative displacement between body portion circumferentially is constrained, so that locating piece 5 bears the power of bigger in the circumferential direction along disk body 1,
On the other hand, I-shaped locating piece 5 is also primarily subjected to along the radial active force of disk body 1, and therefore, the present invention passes through I-shaped positioning
Block, further reduced the stress of bolt, and then further improve the service life of bolt.
Description of the drawings
Fig. 1 a are the brake disk mounted structural schematic diagram of the wheel of the prior art；
Fig. 1 b are that the brake disk mounted sectional schematic diagram being installed on after wheel along the directions A-A is taken turns in Fig. 1；
Fig. 1 c are the section partial schematic diagram along the directions B-B in Fig. 1；
In above each figure：1', wheel；2', disk body；3', nut；4', bolt；5', spacer；6', axle；7, positioning pin；
Fig. 2 is the structural schematic diagram of the split type wheel brake disk mounted 3 used for rail vehicle of the present invention；
Fig. 3 is the close-up schematic view of C portion in Fig. 2；
Fig. 4 is the sectional schematic diagram along the directions D-D in Fig. 2；
In above each figure：1, disk body；2, disk body section；3, convex block；4, the first protrusion；5, locating piece；6, recess portion；7, second
Protrusion；8, bolt；9, nut.
Specific implementation mode
In the following, the present invention is specifically described by illustrative embodiment.It should be appreciated, however, that not into one
In the case of step narration, element, structure and features in an embodiment can also be advantageously incorporated into other embodiment
In.
In the description of the present invention, it should be noted that the instructions such as term "inner", "outside", "upper", "lower", "front", "rear"
Orientation or positional relationship be position relationship based on ... shown in the drawings, be merely for convenience of description of the present invention and simplification of the description, and
It is not that the device of instruction or hint meaning or element must have a particular orientation, with specific azimuth configuration and operation, therefore
It is not considered as limiting the invention.In addition, term " first ", " second " are used for description purposes only, and should not be understood as referring to
Show or imply relative importance.
Referring to Fig. 2 to Fig. 4, a kind of split type wheel used for rail vehicle is brake disk mounted, including disk body 1, disk body 1 are two, point
It is not set to the both sides of wheel, disk body 1 includes multiple disk body sections 2, and disk body section 2 is arc-shaped, and multiple disk body sections 2 are along the circumferential direction
Arrangement is detachably fixed connection between each pair of adjacent discs portion 2, to form complete disk body 1, in order to improve processing efficiency and
Safety in utilization, the present invention use following improved technology：
In the presence of at least a pair of adjacent disk body section 2, the end being mutually butted is provided with convex block 3 in side, and convex block 3 has
There are the first protrusion 4, the first radially extending along disk body 1 of protrusion 4, convex block 3 to offer the first hole portion along the radial direction of disk body 1；In order to
Realize the position constraint between adjacent discs portion 2, brake disk mounted body formula wheel further includes locating piece 5, and locating piece 5 has recess portion 6, recess portion
6 recess along disk body 1 be radially orientated or away from the center of disk body 1, locating piece 5 offers the second hole portion along the radial direction of disk body 1；
The recess portion 6 of locating piece 5 is tightly sleeved in the outside of two convex blocks 3, to constrain between adjacent disk body section 2 circumferentially opposite
Displacement, the second hole portion and the first hole portion are coaxial, to be fixed locating piece 5 and convex block 3 by bolt, and then by adjacent disk body section
2 fix, in addition, (or being parallel to radial setting) is arranged along the radial of disk body 1 in the first hole portion and the second hole portion so that bolt edge
Radial setting (or being parallel to radial setting) so that the radially expansion in the same direction of bolt and disk body 1, avoid bolt because
It is heated and generates pulling force, and then improve the reliability of bolt.
It is above-mentioned it should be noted that " being bolted " is included and is not limited to be connected through a screw thread using screw bolt and nut
It is fixed, and the customary technical means in the art such as fixed only are connected through a screw thread with bolt, people in the art can't be caused
Member cannot achieve or unclear.
Based on above-mentioned, convex block 3 and locating piece 5 is arranged in brake disk mounted passes through of the present invention split type wheel used for rail vehicle, processing
Process is easy to reach required precision, while in braking, locating piece 5 replaces bolt, as along the circumferential main stress knot of disk body 1
Structure so that bolt on disk body 1 is circumferential by minimum shearing, then ensure that the anti-fatigue performance of bolt, improve spiral shell
The service life of bolt, and then improve the brake disk mounted safety in utilization of split type wheel.
In order to further decrease the stress of bolt, in Fig. 2 and embodiment shown in Fig. 3, locating piece 5 in I-shaped, with
Make the tool of locating piece 5 there are two recess portion 6, one of recess portion 6 deviates from towards the center of disk body 1, another recess portion 6 in disk body 1
The heart, the convex block 3 for being located at 2 the same end of disk body section are two, and two convex blocks 3 are along the radial distribution of disk body 1, two difference of convex blocks 3 positions
In the both sides of locating piece 5, the first protrusion 4 of two convex blocks 3 is socketed with two recess portions 6 of locating piece 5 respectively.The present invention passes through
Locating piece 5 is set as I-shaped so that the relative displacement that the both sides of locating piece 5 can be between adjacent discs portion 2 circumferentially
It is constrained, so that locating piece 5 bears the power of bigger in the circumferential direction along disk body 1, and then further reduced bolt
Stress more further improves the service life of bolt in turn；In addition, I-shaped locating piece 5 is also primarily subjected to along 1 diameter of disk body
To active force, the burden of bolt is further reduced with this.
Among the above, for the structure of convex block 3, it is specifically as follows：As shown in Figures 2 and 3, convex block 3 also has the second protrusion
7, the second protrusion 7 is preferably integrated with the first protrusion 4 to be fixedly connected, and the second protrusion 7 is located at locating piece 5 along 1 radial direction of disk body
Side, the second protrusion 7 are contacted with locating piece 5, to constrain the moving along 1 radial direction of disk body of locating piece 5, and then are further increased to phase
The radially displaced constraint of adjacent two disk body sections 2.
Further, as shown in Figures 2 and 3, the first protrusion 4 have can the contact surface that contacts of the first protrusion 4 adjacent thereto, the
The end face of the contact surface and disk body section 2 of one protrusion 4 is coplanar, with when adjacent discs portion 2 contacts, adjacent first protrusion 4
Contact surface fitting, the first hole portion is opened on the first protrusion 4, and the first hole portion is semicircle, with when adjacent first protrusion 4
Round hole is formed after contact surface fitting, the second hole portion is opened on the recess portion 6 of locating piece 5, thus can be real by a bolt
Now to the fixation of two neighboring disk body section 2, and then in the case where ensureing safety, cost is reduced, and improves installation
Efficiency.
Preferably, the inner wall of the first hole portion is smooth surface, in contrast in threaded hole, is conducive to the quick of bolt and inserts
Enter, improves installation effectiveness；In addition, the both ends of each disk body section 2 are both provided with convex block 3, it is all provided between each pair of adjacent discs portion 2
It is equipped with locating piece 5, to constrain the relative displacement between adjacent discs portion 2.
In addition, the first hole portion can also be threaded hole can improve adjacent discs portion with this after installation is complete for bolt
Structural stability between 2.
For the quantity of disk body section 2, in the embodiment shown in Figure 2,2 quantity of disk body section of same disk body 1 is two.
Above-mentioned technical proposal in order to better understand the present invention illustrates this by taking Fig. 2 to embodiment shown in Fig. 4 as an example
Invent it is used for rail vehicle it is split type wheel it is brake disk mounted use process is as follows：
When assembly, two disk body sections 2 are spliced so that between adjacent projections 3 formed can placement positioning block 5 positioning
I-shaped locating piece 5 is positioned over the inside of locating slot by slot, and the bar portion of bolt 8 is sheathed on the first hole portion and the second hole portion
Inside is connect with the bar portion screw-thread fit of bolt 8 with nut 9, convex block 3 and locating piece 5 is fixed together, and is formed complete
Disk body 1.
There are the feelings such as serious scratch, abnormal wear and eccentric wear when wheel tread is not worn away to limit or brake disc rubbing surface
Under condition, need, from entire disk body 1 is shut down on axle wheel, brake disc to be shut down from wheel both sides in the case where protecting axle
Connector, whole disk body 1 unloads from wheel, the 2 sets of bolts 8 and nut 9 of two and half disk bodies of fastening is unloaded, then by I-shaped
Type locating piece 5 pulls out or along the directions D-D that locating piece 5 is sawed-off out of locating slot, at this point, disk body 1 is divided into two disk bodies
Portion 2 is shut down from wheel.
Claims (8)
1. a kind of split type wheel used for rail vehicle is brake disk mounted, including disk body (1), disk body (1) includes multiple disk body sections (2), more
A disk body section (2) along the circumferential direction arranges, it is characterised in that：In the presence of at least a pair of adjacent disk body section (2), it is mutually butted
End is provided with convex block (3) in side, and convex block (3) has the first protrusion (4), and the first protrusion (4) prolong along the radial direction of disk body (1)
It stretches, convex block (3) offers the first hole portion along the radial direction of disk body (1)；
Further include locating piece (5), there is locating piece (5) recess portion (6), recess portion (6) to be radially orientated or deviate from disk body along disk body (1)
(1) center, locating piece (5) offer the second hole portion along the radial direction of disk body (1)；
The recess portion (6) of locating piece (5) is tightly sleeved in the outside of two convex blocks (3), to constrain edge between adjacent disk body section (2)
Circumferential relative displacement, the second hole portion and the first hole portion are coaxial, with by bolt that locating piece (5) and convex block (3) is fixed.
2. split type wheel used for rail vehicle according to claim 1 is brake disk mounted, it is characterised in that：The locating piece (5)
In I-shaped, so that there are two the recess portions (6) for locating piece (5) tool, it is located at the convex block of the disk body section (2) the same end
(3) it is two, for two convex blocks (3) along the radial distribution of the disk body (1), two convex blocks (3) are located at the two of locating piece (5)
The first protrusion (4) of side, two convex blocks (3) is socketed with two recess portions (6) of locating piece (5) respectively.
3. split type wheel used for rail vehicle according to claim 1 or 2 is brake disk mounted, it is characterised in that：The convex block (3)
Also there are the second protrusion (7), the second protrusion (7) are located at the locating piece (5) along the side of the disk body (1) radial direction, and second is convex
Portion (7) is contacted with locating piece (5), to constrain movement of the locating piece (5) along disk body (1) radial direction.
4. split type wheel used for rail vehicle according to claim 1 is brake disk mounted, it is characterised in that：First protrusion
(4) have can the first protrusion (4) adjacent thereto contact contact surface, contact surface and the disk body section (2) of the first protrusion (4)
End face is coplanar, with when adjacent discs portion (2) contact, the contact surface of adjacent first protrusion (4) is bonded, first hole
Portion is opened on the first protrusion (4), and the first hole portion is semicircle, with shape after when the contact surface fitting of adjacent first protrusion (4)
At round hole, second hole portion is opened on the recess portion (6) of the locating piece (5).
5. split type wheel used for rail vehicle according to claim 4 is brake disk mounted, it is characterised in that：First hole portion
Inner wall is smooth surface.
6. split type wheel used for rail vehicle according to claim 4 is brake disk mounted, it is characterised in that：First hole portion is
Threaded hole.
7. the split type wheel used for rail vehicle according to claim 1,2,4,5 or 6 is brake disk mounted, it is characterised in that：Each
The both ends of the disk body section (2) are both provided with the convex block (3), and the positioning is both provided between each pair of adjacent discs portion (2)
Block (5), to constrain the relative displacement between adjacent discs portion (2).
8. split type wheel used for rail vehicle according to claim 7 is brake disk mounted, it is characterised in that：The same disk body
(1) the disk body section (2) quantity is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810532201.4A CN108468731B (en) | 2018-05-29 | 2018-05-29 | Split type wheel used for rail vehicle is brake disk mounted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810532201.4A CN108468731B (en) | 2018-05-29 | 2018-05-29 | Split type wheel used for rail vehicle is brake disk mounted |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108468731A true CN108468731A (en) | 2018-08-31 |
| CN108468731B CN108468731B (en) | 2019-08-27 |
Family
ID=63261662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810532201.4A Active CN108468731B (en) | 2018-05-29 | 2018-05-29 | Split type wheel used for rail vehicle is brake disk mounted |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108468731B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236901A (en) * | 2018-10-11 | 2019-01-18 | 南京中盛铁路车辆配件有限公司 | Bullet train wheel is brake disk mounted |
| CN110962501A (en) * | 2018-09-29 | 2020-04-07 | 中车戚墅堰机车车辆工艺研究所有限公司 | Elastic wheel for railway vehicle, elastic wheel assembly and railway vehicle |
| CN114776738A (en) * | 2022-05-10 | 2022-07-22 | 中国铁道科学研究院集团有限公司 | Wheel-mounted brake disc |
| CN115199677A (en) * | 2021-04-02 | 2022-10-18 | 纳博特斯克有限公司 | Brake disc |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060243547A1 (en) * | 2005-04-04 | 2006-11-02 | Holger Keller | Brake disc, particularly an internally ventilated brake disc |
| CN201437829U (en) * | 2009-05-21 | 2010-04-14 | 北京纵横机电技术开发公司 | Brake disc |
| CN105065515A (en) * | 2015-07-21 | 2015-11-18 | 青岛四方车辆研究所有限公司 | High-speed train shaft-mounted brake disc with slider structure |
| CN105134838A (en) * | 2015-07-21 | 2015-12-09 | 青岛四方车辆研究所有限公司 | High-speed train wheel brake disc with sliding block structure and installing method |
| CN105351404A (en) * | 2015-11-30 | 2016-02-24 | 中国铁道科学研究院 | Wheel-mounted brake disc device |
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2018
- 2018-05-29 CN CN201810532201.4A patent/CN108468731B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060243547A1 (en) * | 2005-04-04 | 2006-11-02 | Holger Keller | Brake disc, particularly an internally ventilated brake disc |
| CN201437829U (en) * | 2009-05-21 | 2010-04-14 | 北京纵横机电技术开发公司 | Brake disc |
| CN105065515A (en) * | 2015-07-21 | 2015-11-18 | 青岛四方车辆研究所有限公司 | High-speed train shaft-mounted brake disc with slider structure |
| CN105134838A (en) * | 2015-07-21 | 2015-12-09 | 青岛四方车辆研究所有限公司 | High-speed train wheel brake disc with sliding block structure and installing method |
| CN105351404A (en) * | 2015-11-30 | 2016-02-24 | 中国铁道科学研究院 | Wheel-mounted brake disc device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110962501A (en) * | 2018-09-29 | 2020-04-07 | 中车戚墅堰机车车辆工艺研究所有限公司 | Elastic wheel for railway vehicle, elastic wheel assembly and railway vehicle |
| CN109236901A (en) * | 2018-10-11 | 2019-01-18 | 南京中盛铁路车辆配件有限公司 | Bullet train wheel is brake disk mounted |
| CN115199677A (en) * | 2021-04-02 | 2022-10-18 | 纳博特斯克有限公司 | Brake disc |
| CN114776738A (en) * | 2022-05-10 | 2022-07-22 | 中国铁道科学研究院集团有限公司 | Wheel-mounted brake disc |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108468731B (en) | 2019-08-27 |
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