CN111845827A - Wheel weight deviation adjusting device and primary suspension device - Google Patents
Wheel weight deviation adjusting device and primary suspension device Download PDFInfo
- Publication number
- CN111845827A CN111845827A CN202010757892.5A CN202010757892A CN111845827A CN 111845827 A CN111845827 A CN 111845827A CN 202010757892 A CN202010757892 A CN 202010757892A CN 111845827 A CN111845827 A CN 111845827A
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- China
- Prior art keywords
- hydraulic cylinder
- wheel weight
- weight deviation
- sleeve
- adjusting device
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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.)
- Pending
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Classifications
-
- 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
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
- B61F5/04—Bolster supports or mountings
- B61F5/06—Bolster supports or mountings incorporating metal springs
-
- 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
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
- B61F5/04—Bolster supports or mountings
- B61F5/12—Bolster supports or mountings incorporating dampers
- B61F5/127—Bolster supports or mountings incorporating dampers with fluid as a damping medium
-
- 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
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/38—Arrangements or devices for adjusting or allowing self- adjustment of wheel axles or bogies when rounding curves, e.g. sliding axles, swinging axles
- B61F5/386—Arrangements or devices for adjusting or allowing self- adjustment of wheel axles or bogies when rounding curves, e.g. sliding axles, swinging axles fluid actuated
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a wheel weight deviation adjusting device and a primary suspension device. The invention can conveniently realize the automatic adjustment of the left and right wheel weight deviation of the same shaft, effectively adjust the wheel weight deviation, improve the adaptability of the vehicle to the rail distortion and ensure the running safety of the vehicle.
Description
Technical Field
The invention belongs to the technical field of rail transit vehicles, and particularly relates to a wheel weight deviation adjusting device and a primary suspension device.
Background
The wheel weight deviation is related to the running safety of the rail transit vehicle and the adaptability of the rail transit vehicle to the rail. The existing rail transit vehicles adopt a mode of increasing or reducing gaskets between a series of springs and a framework or between a series of springs and a shaft box body to adjust the wheel weight deviation, the adjustment mode is difficult to operate, the wheel weight deviation is difficult to ensure, the running safety of the vehicles is influenced, the consistency of the left and right wheel weights of the same shaft under any rail twisting condition cannot be ensured, and the adaptability of the vehicles to the rails is limited.
Disclosure of Invention
The invention aims to provide a wheel weight deviation adjusting device and a primary suspension device aiming at the defects of the prior art, which can conveniently realize the automatic adjustment of the left and right wheel weight deviation of the same shaft, effectively adjust the wheel weight deviation, improve the adaptability of a vehicle to track distortion and ensure the running safety of the vehicle.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a wheel weight deviation adjusting device is structurally characterized by comprising a first hydraulic cylinder, a second hydraulic cylinder and a connecting pipe; the first hydraulic cylinder is communicated with the second hydraulic cylinder through a connecting pipe.
Further, still include the valve and annotate the liquid interface, the one end and the connecting pipe middle section of valve are linked together, and the other end and the notes liquid interface of valve are linked together.
As a preferable mode, the first hydraulic cylinder comprises an upper sleeve with an opening at the lower end and a lower sleeve with an opening at the upper end, the lower section of the upper sleeve is sleeved with the upper section of the lower sleeve, a cavity is enclosed between the upper sleeve and the lower sleeve, and the cavity is communicated with the connecting pipe; the second hydraulic cylinder has the same structure as the first hydraulic cylinder.
Furthermore, a first connecting piece is arranged at the top of the upper sleeve, and a second connecting piece is arranged at the bottom of the lower sleeve.
Furthermore, the inner wall of the cavity is provided with a sealing sleeve enclosing a sealing cavity, and the sealing cavity is communicated with the connecting pipe.
Preferably, the first hydraulic cylinder and the second hydraulic cylinder are both disc-shaped hydraulic cylinders.
Preferably, the valve is a ball valve.
Based on the same inventive concept, the invention also provides a primary suspension device, which comprises a framework, a left primary spring arranged at the left wheel, a right primary spring arranged at the right wheel, and a wheel weight deviation adjusting device, wherein the wheel weight deviation adjusting device is arranged on the framework; the first hydraulic cylinder is arranged between the left first spring and the framework, the bottom end of the first hydraulic cylinder is connected with the top end of the left first spring, and the top end of the first hydraulic cylinder is connected with the framework; the second hydraulic cylinder is arranged between the right first spring and the framework, the bottom end of the second hydraulic cylinder is connected with the top end of the right first spring, and the top end of the second hydraulic cylinder is connected with the framework.
Borrow by above-mentioned structure, when because reasons such as track distortion cause the deformation that a left side is spring and a right side is spring different, the atress of first pneumatic cylinder and second pneumatic cylinder also can be different to hydraulic oil among the wheel weight deviation adjusting device will flow to the little pneumatic cylinder of effort from the big pneumatic cylinder of effort through the connecting pipe, until the atress of first pneumatic cylinder and second pneumatic cylinder is the same, the deformation of a both sides is the same for the spring this moment, and the side wheel weight is also unanimous basically about, realizes wheel weight deviation automatically regulated.
As a preferable mode, the first hydraulic cylinder comprises an upper sleeve with an opening at the lower end and a lower sleeve with an opening at the upper end, the lower section of the upper sleeve is sleeved with the upper section of the lower sleeve, a cavity is enclosed between the upper sleeve and the lower sleeve, and the cavity is communicated with the connecting pipe; the top of the upper sleeve is provided with a first connecting piece, and the bottom of the lower sleeve is provided with a second connecting piece; the second hydraulic cylinder has the same structure as the first hydraulic cylinder; the first hydraulic cylinder is connected with the framework through a first connecting piece at the top of the first hydraulic cylinder, and the first hydraulic cylinder is connected with the left primary spring through a second connecting piece at the bottom of the first hydraulic cylinder; the second hydraulic cylinder is connected with the framework through a first connecting piece at the top of the second hydraulic cylinder, and the second hydraulic cylinder is connected with the right primary spring through a second connecting piece at the bottom of the second hydraulic cylinder.
As a preferred mode, the first connecting piece comprises a vertical pin shaft arranged at the top of the upper sleeve, and the second connecting piece comprises a vertical connecting pipe arranged at the bottom of the lower sleeve; the vertical pin shaft is arranged in a mounting hole in the framework, and the tops of the left primary spring and the right primary spring are sleeved outside the vertical connecting pipe at the bottom of the corresponding lower sleeve.
Compared with the prior art, the invention can conveniently realize the automatic adjustment of the left and right wheel weight deviation of the same shaft, effectively adjust the wheel weight deviation, improve the adaptability of the vehicle to the rail distortion and ensure the running safety of the vehicle.
Drawings
Fig. 1 is a schematic structural view of a wheel weight deviation adjusting device.
Fig. 2 is a view of the wheel weight deviation adjusting device assembled on a bogie of a primary suspension device.
Fig. 3 is a schematic diagram of the adjustment of the wheel weight deviation adjustment device.
The hydraulic system comprises a hydraulic cylinder, a first hydraulic cylinder, a second hydraulic cylinder, a first sleeve, a lower sleeve, a cavity, a sealing sleeve, a second hydraulic cylinder, a connecting pipe, a liquid injection pipe, a valve, a framework, a left spring, a right spring, a first connecting piece and a second connecting piece, wherein the first hydraulic cylinder is 1, the upper sleeve is 101, the lower sleeve is 102, the cavity is 103, the sealing sleeve is 104, the second hydraulic cylinder is.
Detailed Description
As shown in fig. 1 and 2, the wheel weight deviation adjusting device includes a first hydraulic cylinder 1, a second hydraulic cylinder 2, a connecting pipe 3, a valve 4, and a liquid injection port 5, the first hydraulic cylinder 1 is communicated with the second hydraulic cylinder 2 through the connecting pipe 3, one end of the valve 4 is communicated with the middle section of the connecting pipe 3, and the other end of the valve 4 is communicated with the liquid injection port 5. During the equipment, can link to each other annotating liquid interface 5 with outside oiling device, open valve 4, through annotating liquid interface 5 and valve 4 to two pneumatic cylinders and connecting pipe 3 internal injection hydraulic oil. The volume of the hydraulic oil in the wheel weight deviation adjusting device is equal to the sum of the volumes of the two hydraulic cylinders and the volume of the pipeline of the connecting pipe 3.
The first hydraulic cylinder 1 comprises an upper sleeve 101 with an opening at the lower end and a lower sleeve 102 with an opening at the upper end, the lower section of the upper sleeve 101 is sleeved with the upper section of the lower sleeve 102, a cavity 103 is enclosed between the upper sleeve 101 and the lower sleeve 102, and the cavity 103 is communicated with the connecting pipe 3; the second hydraulic cylinder 2 has the same structure as the first hydraulic cylinder 1.
The upper casing 101 and the lower casing 102 can move relatively. When the first hydraulic cylinder 1 is subjected to the extrusion force between the framework 6 and the left primary spring 7, the upper sleeve 101 and the lower sleeve 102 corresponding to the first hydraulic cylinder 1 move relatively; when the second hydraulic cylinder 2 receives the pressing force between the frame 6 and the right-side primary spring 8, the upper casing 101 and the lower casing 102 of the second hydraulic cylinder 2 are relatively moved.
The top of the upper casing 101 is provided with a first connecting piece 9, and the bottom of the lower casing 102 is provided with a second connecting piece 10.
The inner wall of the cavity 103 is provided with a sealing sleeve 104 enclosing a sealing cavity, and the sealing cavity is communicated with the connecting pipe 3 and used for avoiding leakage of hydraulic oil.
The first hydraulic cylinder 1 and the second hydraulic cylinder 2 are both disc-shaped hydraulic cylinders. The valve 5 is a ball valve.
As shown in fig. 2, the primary suspension device includes a frame 6, a left primary spring 7 provided at the left wheel, a right primary spring 8 provided at the right wheel, and the wheel weight deviation adjusting device described in fig. 1.
The first hydraulic cylinder 1 is arranged between the left primary spring 7 and the framework 6, the bottom end of the first hydraulic cylinder 1 is connected with the top end of the left primary spring 7, and the top end of the first hydraulic cylinder 1 is connected with the framework 6; the second hydraulic cylinder 2 is arranged between the right first spring 8 and the framework 6, the bottom end of the second hydraulic cylinder 2 is connected with the top end of the right first spring 8, and the top end of the second hydraulic cylinder 2 is connected with the framework 6.
The hydraulic cylinders on the left side and the right side of the same shaft are communicated through the connecting pipes 3, and the exchange of hydraulic oil in the hydraulic cylinders on the left side and the right side can be realized.
The first hydraulic cylinder 1 is connected with the framework 6 through a first connecting piece 9 at the top of the first hydraulic cylinder, and the first hydraulic cylinder 1 is connected with the left primary spring 7 through a second connecting piece 10 at the bottom of the first hydraulic cylinder; the second hydraulic cylinder 2 is connected to the frame 6 by a first connection 9 at its top, and the second hydraulic cylinder 2 is connected to the right primary spring 8 by a second connection 10 at its bottom.
Preferably, the first connector 9 comprises a vertical pin shaft arranged at the top of the upper casing 101, and the second connector 10 comprises a vertical connecting pipe arranged at the bottom of the lower casing 102; the vertical pin is arranged in a mounting hole (not shown, but not affecting the understanding and implementation of the invention by those skilled in the art) on the framework 6, and the tops of the left-side primary spring 7 and the right-side primary spring 8 are sleeved outside the vertical connecting pipe at the bottom of the corresponding lower sleeve 102.
As shown in fig. 3, the adjustment principle of the present invention is as follows:
1. when the deformation of the left-side primary spring 7 and the right-side primary spring 8 is different due to track distortion and the like, and at this time, the acting force (F1, F1') between the left-side first hydraulic cylinder 1 and the left-side primary spring 7 is not equal to the acting force (F2, F2') between the right-side second hydraulic cylinder 2 and the right-side primary spring 8, hydraulic oil flows from the hydraulic cylinder with a large acting force to the hydraulic cylinder with a small acting force through the connecting pipe 3 until the forces applied to the first hydraulic cylinder and the second hydraulic cylinder are the same, and at this time, the deformation of the two-side primary springs is the same, and the acting forces between the left-side hydraulic cylinder and the left-side primary spring are the same (i..
2. The magnitude of the left (right) side wheel weight is the force of the left (right) side primary spring plus the weight of the unsprung mass distributed onto the left and right side rails. Usually, the structure of the unsprung part is left-right basically symmetrical, so the weight of the unsprung mass distributed to the left and right side rails is relatively uniform, and when the acting force of the left and right side series of springs is consistent, the left and right side wheel weights are also basically consistent (namely Q1 is approximately equal to Q2), and the automatic adjustment of the wheel weight deviation is realized.
The invention can ensure that the weights of the left and right wheels of the same shaft are basically consistent under any track twisting condition, thereby improving the adaptability of the vehicle to track twisting.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A wheel weight deviation adjusting device is characterized in that:
comprises a first hydraulic cylinder (1), a second hydraulic cylinder (2) and a connecting pipe (3);
the first hydraulic cylinder (1) is communicated with the second hydraulic cylinder (2) through a connecting pipe (3).
2. The wheel weight deviation adjusting device according to claim 1, further comprising a valve (4) and a liquid injection port (5), wherein one end of the valve (4) is communicated with the middle section of the connecting pipe (3), and the other end of the valve (4) is communicated with the liquid injection port (5).
3. The wheel weight deviation adjusting device according to claim 1, wherein the first hydraulic cylinder (1) comprises an upper sleeve (101) with an open lower end and a lower sleeve (102) with an open upper end, the lower section of the upper sleeve (101) is sleeved with the upper section of the lower sleeve (102), and a cavity (103) is defined between the upper sleeve (101) and the lower sleeve (102); the second hydraulic cylinder (2) has the same structure as the first hydraulic cylinder (1).
4. A wheel weight deviation adjusting device according to claim 3, wherein the upper sleeve (101) is provided with a first connecting member (9) at the top and the lower sleeve (102) is provided with a second connecting member (10) at the bottom.
5. A wheel weight deviation adjusting device according to claim 3, wherein the inner wall of the cavity (103) is provided with a sealing sleeve (104) enclosing a sealing cavity, and the sealing cavity is communicated with the connecting pipe (3).
6. The wheel weight deviation adjusting apparatus according to claim 1, wherein the first hydraulic cylinder (1) and the second hydraulic cylinder (2) are each a disc-shaped hydraulic cylinder.
7. The wheel weight deviation adjusting device according to claim 2, wherein the valve (4) is a ball valve.
8. A primary suspension device comprising a frame (6), a left primary spring (7) provided at a left wheel, a right primary spring (8) provided at a right wheel, characterized by further comprising a wheel weight deviation adjusting device according to any one of claims 1 to 7;
the first hydraulic cylinder (1) is arranged between the left first spring (7) and the framework (6), the bottom end of the first hydraulic cylinder (1) is connected with the top end of the left first spring (7), and the top end of the first hydraulic cylinder (1) is connected with the framework (6);
the second hydraulic cylinder (2) is arranged between the right first spring (8) and the framework (6), the bottom end of the second hydraulic cylinder (2) is connected with the top end of the right first spring (8), and the top end of the second hydraulic cylinder (2) is connected with the framework (6).
9. The primary suspension system according to claim 8, wherein the first hydraulic cylinder (1) comprises an upper casing (101) with an open lower end and a lower casing (102) with an open upper end, the lower section of the upper casing (101) is sleeved with the upper section of the lower casing (102), a cavity (103) is defined between the upper casing (101) and the lower casing (102), and the cavity (103) is communicated with the connecting pipe (3); a first connecting piece (9) is arranged at the top of the upper casing (101), and a second connecting piece (10) is arranged at the bottom of the lower casing (102); the second hydraulic cylinder (2) and the first hydraulic cylinder (1) have the same structure;
the first hydraulic cylinder (1) is connected with the framework (6) through a first connecting piece (9) at the top of the first hydraulic cylinder, and the first hydraulic cylinder (1) is connected with the left primary spring (7) through a second connecting piece (10) at the bottom of the first hydraulic cylinder;
the second hydraulic cylinder (2) is connected with the framework (6) through a first connecting piece (9) at the top of the second hydraulic cylinder, and the second hydraulic cylinder (2) is connected with the right primary spring (8) through a second connecting piece (10) at the bottom of the second hydraulic cylinder.
10. A suspension system according to claim 9, wherein the first connector (9) comprises a vertical pin arranged at the top of the upper casing (101) and the second connector (10) comprises a vertical connection pipe arranged at the bottom of the lower casing (102); the vertical pin shaft is arranged in a mounting hole in the framework (6), and the tops of the left primary spring (7) and the right primary spring (8) are sleeved outside the vertical connecting pipe at the bottom of the corresponding lower sleeve (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010757892.5A CN111845827A (en) | 2020-07-31 | 2020-07-31 | Wheel weight deviation adjusting device and primary suspension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010757892.5A CN111845827A (en) | 2020-07-31 | 2020-07-31 | Wheel weight deviation adjusting device and primary suspension device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111845827A true CN111845827A (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010757892.5A Pending CN111845827A (en) | 2020-07-31 | 2020-07-31 | Wheel weight deviation adjusting device and primary suspension device |
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| Country | Link |
|---|---|
| CN (1) | CN111845827A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2353962A1 (en) * | 2010-02-01 | 2011-08-10 | Stadler Bussnang AG | Undercarriage assembly for a rail vehicle |
| CN202624255U (en) * | 2012-02-07 | 2012-12-26 | 安海燕 | Anti-suspension dynamic real-time rail attaching device for driving wheels of electric mountain climbing railcar |
| CN103153749A (en) * | 2010-10-15 | 2013-06-12 | 日本车辆制造株式会社 | Vehicle body tilting device |
| CN206187032U (en) * | 2014-01-14 | 2017-05-24 | 西门子公司 | Vehicle |
| CN207029192U (en) * | 2017-07-10 | 2018-02-23 | 中车株洲电力机车有限公司 | One kind wheel weight deviation adjusting device and single stage suspension device |
| CN210680649U (en) * | 2019-05-15 | 2020-06-05 | 保定市新华石化设备制造有限公司 | Forklift overturn-preventing device |
-
2020
- 2020-07-31 CN CN202010757892.5A patent/CN111845827A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2353962A1 (en) * | 2010-02-01 | 2011-08-10 | Stadler Bussnang AG | Undercarriage assembly for a rail vehicle |
| CN103153749A (en) * | 2010-10-15 | 2013-06-12 | 日本车辆制造株式会社 | Vehicle body tilting device |
| CN202624255U (en) * | 2012-02-07 | 2012-12-26 | 安海燕 | Anti-suspension dynamic real-time rail attaching device for driving wheels of electric mountain climbing railcar |
| CN206187032U (en) * | 2014-01-14 | 2017-05-24 | 西门子公司 | Vehicle |
| CN207029192U (en) * | 2017-07-10 | 2018-02-23 | 中车株洲电力机车有限公司 | One kind wheel weight deviation adjusting device and single stage suspension device |
| CN210680649U (en) * | 2019-05-15 | 2020-06-05 | 保定市新华石化设备制造有限公司 | Forklift overturn-preventing device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201030 |