CN110057271B - Urban rail vehicle overhauling device and application method thereof - Google Patents
Urban rail vehicle overhauling device and application method thereof Download PDFInfo
- Publication number
- CN110057271B CN110057271B CN201910258402.4A CN201910258402A CN110057271B CN 110057271 B CN110057271 B CN 110057271B CN 201910258402 A CN201910258402 A CN 201910258402A CN 110057271 B CN110057271 B CN 110057271B
- Authority
- CN
- China
- Prior art keywords
- brake shoe
- sliding
- rail vehicle
- urban rail
- thickness
- Prior art date
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 11
- 238000001514 detection method Methods 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
- G01B5/06—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses an urban rail vehicle overhauling device and a using method thereof, wherein the overhauling device comprises a basic device and a sliding block; the foundation device is a shell with an opening cavity; the sliding block is arranged in the basic device, can slide along the cavity of the basic device and extends out of the opening, a sliding stop is arranged on the side surface of the sliding block, and a corresponding sliding stop is arranged in the cavity of the basic device; one end of the basic device along the sliding direction is fixedly connected with a brake shoe positioning block; the distance between the inner side surface of the brake shoe positioning block and the end surface of the other end of the basic device is a preset value; when the sliding block reaches the farthest sliding position, the distance between the end face of the sliding block and the inner side face of the brake shoe positioning block is a preset value. The invention can be used for fast and accurately judging by an maintainer when detecting the thickness of the brake shoe, thereby greatly improving the maintenance efficiency and reliability.
Description
Technical Field
The invention relates to the technical field of urban rail vehicles, in particular to an urban rail vehicle overhauling device and a using method thereof.
Background
At present, the rail transit of each city at home and abroad is very rapid in development, and the subway lines of each large city are rapidly expanded. The required maintenance personnel can not keep up with the talent culture speed far. The urban rail transit vehicles are characterized by shorter inter-station distances and more startup and parking. The tread is basically needed to participate in each brake, so that the wear on the tread is also relatively large. The tread wear control is very critical to the safe operation of urban rail transit vehicles and the protection of the tread of the wheel set of the vehicles, so that in order to ensure the safe operation of the vehicles, a plurality of urban rail operation company maintenance departments make targeted arrangement and corresponding schemes for the maintenance of brake shoes. At present, the common processing mode is to set two brake shoe thickness values, namely an early warning value D1 and a value D2 which needs to be replaced, and the condition of detecting the brake shoe is required during each detection. At present, the common practice is to judge whether the thickness is higher than D1 by naked eyes through experience after the overhauling personnel are skilled, if the thickness is far higher than D1, the brake shoe is not needed, if the thickness is possibly smaller than D1 by naked eyes, then the detection is carried out by a steel ruler. The method has high experience requirements on maintenance personnel, and when the steel rule is used for measuring, if the measuring position is not fixed, larger errors can be generated in the reading, and the efficiency value is not high as a whole.
Disclosure of Invention
Aiming at the defects and shortcomings of the prior art, the invention provides an urban rail vehicle overhauling device which is convenient and quick to detect, accurate in precision and high in efficiency, and the specific technical scheme is as follows:
an urban rail vehicle overhauling device comprises a basic device and a sliding block; the foundation device is a shell with an opening cavity; the sliding block is arranged in the basic device, can slide along the cavity of the basic device and extends out of the opening, a sliding stop is arranged on the side surface of the sliding block, and a corresponding sliding stop is arranged in the cavity of the basic device; one end of the basic device along the sliding direction is fixedly connected with a brake shoe positioning block; the distance between the inner side surface of the brake shoe positioning block and the end surface of the other end of the basic device is a preset value; when the sliding block reaches the maximum extension distance, the distance between the end face of the sliding block and the inner side face of the brake shoe positioning block is a preset value, and further, the distance between the inner side face of the brake shoe positioning block and the end face of the far end of the basic device is a preset value.
Further, the top surface of the foundation device is provided with a threaded through hole in the vertical sliding direction.
Further, the slider is provided with a reading scale in the sliding direction thereof.
Further, the zero scale of the reading scale is arranged at the end face of one end of the sliding block, and the maximum reading scale is arranged at the inner side face of the sliding-resistant stop.
Further, the brake shoe positioning block is in a cambered surface shape.
Further, the cross-section of the cavity of the base device is T-shaped.
Further, the cross-sectional shape of the sliding device is T-shaped.
Further, the number of the screw through holes is at least 2.
Based on the urban rail vehicle overhauling device provided by the technical scheme, a using method suitable for the urban rail vehicle overhauling device can be provided, and the method comprises the following specific steps of: firstly, the back surface of a brake shoe is tightly attached to the inner side surface of an arc brake shoe positioning block, then the thickness of the brake shoe is compared with the length of a basic device, if the thickness of the brake shoe is smaller than the length (H2) of the basic device, namely smaller than a replacement value (D2), the brake shoe can be judged to be replaced immediately, if the thickness of the brake shoe is larger than (H2), the sliding block 1 can be continuously moved, when the sliding block 1 slides to the farthest position, the end surface of the sliding block 1 still fails to contact with the wheel pair tread of a wheel, namely, the thickness of the brake shoe is larger than an early warning value (D1), the brake shoe can still work for a longer time, and the accurate thickness of the brake shoe is not required to be measured; when the slide block 1 does not slide to the farthest position and abuts against the tread of the wheel, the thickness of the brake shoe is smaller than the early warning value (D1), the thickness value of the brake shoe needs to be further accurately measured and recorded, and the service life of the brake shoe is estimated.
The invention has the beneficial effects that:
(1) The distance value from the brake shoe positioning block to the end face of the basic device is set to be the thickness required replacement value D2 of the brake shoe, and a maintainer can quickly and accurately judge during detection; meanwhile, when the sliding block reaches the maximum extension distance, the distance between the end face of the sliding block and the inner side face of the brake shoe positioning block is the brake shoe thickness early warning value D1, so that an maintainer can conveniently and rapidly judge whether to carry out subsequent detection, and the maintenance efficiency and reliability are greatly improved; in addition, the invention can adapt to the maintenance needs of different brake shoes by changing the length of the sliding block.
(2) The brake shoe positioning block is of an arc design, has the same arc radius as the steel plate at the back of the brake shoe, and can be attached to the brake shoe, so that the accurate positioning is realized, and the detection precision is improved.
(3) The sliding device is provided with the reading scale, and the base device is provided with the screw through hole for arranging the compression screw to compress the sliding block, so that an maintainer can directly accurately position and then accurately read during measurement, and compared with the previous mode, the measuring precision and efficiency are improved.
Drawings
FIG. 1 is a schematic diagram of an urban rail vehicle service apparatus provided by the invention;
FIG. 2 is a cross-sectional view of the urban rail vehicle service apparatus provided by the invention;
FIG. 3 is a schematic diagram of a sliding device of the urban rail vehicle inspection device provided by the invention;
fig. 4 is a schematic structural view of a basic device of the urban rail vehicle maintenance device provided by the invention.
Detailed Description
The invention is further described below with reference to the drawings and examples. Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the invention, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
As shown in fig. 1 and 2, the urban rail vehicle maintenance device provided by the invention comprises a sliding block 1 and a base device 3, wherein the base device 3 is a shell provided with a cavity with an opening, the sliding block 1 is arranged in the base device and can slide along the cavity of the base device and extend out of the opening, the side surface of the sliding block is a step surface, the protruding part at the rear end of the sliding block is a sliding stop 1c, a sliding stop 3b is arranged in the cavity of the base device 3 corresponding to the sliding stop 1c, and when the sliding stop 1c is contacted with the sliding stop 3b, the position is the farthest position to which the sliding block can slide relative to the initial position; in addition, a reading scale 1b is carved on the distance between the front end of the side surface of the sliding block 1 and the sliding stop 1c, a zero scale of the reading scale is arranged at the end surface of the extending end of the sliding block, and the maximum reading scale is arranged at the inner side surface of the sliding stop.
As shown in fig. 4, the rear end of the base device 3 along the sliding direction is fixedly connected with a brake shoe positioning block 3a, the inner side surface of the brake shoe positioning block 3a is attached to the back surface of a brake shoe during working, and in order to facilitate the accurate positioning of the brake shoe and improve the detection precision, the brake shoe positioning block 3a is designed into an arc shape, and the arc radius of the brake shoe positioning block is the same as the arc radius of a steel plate on the back surface of the brake shoe; two threaded through holes 3c are formed in the top surface of the base device 3, the threaded holes 3c are used for accommodating screws 2, and the screws 2 are mainly used for pressing the sliding block 1; the cross section shape of the cavity of the basic device and the cross section shape of the sliding block are inverted T-shaped, and the structure is convenient to position and stable in sliding.
The distance from the inner side surface of the brake shoe positioning block to the other end surface of the foundation device is a preset value, wherein the preset value is the thickness of the brake shoe when the brake shoe needs to be replaced, and hereinafter simply referred to as a replacement value D2, in this embodiment, the inner side surface of the brake shoe positioning block 3a is jointed with the end surface of the foundation device 3, so that D2 is the length H2 of the foundation device; when the sliding block 1 slides to the farthest position, the distance from the end surface of the sliding block 1 to the inner side surface of the brake shoe positioning block 3a is also a preset value, the preset value is an early warning value D1 of the brake shoe thickness, the length of the sliding block 1 is H1, and the length is designed according to different measurement requirements.
When the working method of the invention is used for measurement, the brake shoe is in a fitting state with the wheel set tread of the wheel, a worker firstly attaches the back surface of the brake shoe to the inner side surface of the arc brake shoe positioning block 3a, then compares the thickness of the brake shoe with the length H2 of the basic device, if the thickness of the brake shoe is smaller than the length H2 of the basic device, namely smaller than a replacement value D2, the brake shoe can be judged to be replaced immediately, and if the thickness of the brake shoe is larger than H2, the operation can be continued: when the sliding block 1 slides to the farthest position, the end face of the sliding block 1 still fails to contact with the tread of the wheel pair of the wheel, namely, the thickness of the brake shoe is larger than the early warning value D1, the brake shoe can still work for a long time, and the accurate thickness of the brake shoe is not required to be measured; when the sliding block 1 does not slide to the farthest position and abuts against the tread of the wheel, the thickness of the brake shoe is smaller than the early warning value D1, the thickness value of the brake shoe needs to be measured accurately, and the service life of the brake shoe is estimated, so that the sliding block is pressed by screwing the screw 2 into the threaded through hole 3c to be positioned accurately, then the length value of the extending length of the sliding block is read according to the reading scale 1b on the sliding block, the length value is added with D2 or H2 to be the current specific thickness value of the brake shoe, and then a worker records the specific thickness value, so that the comparison is convenient for next maintenance; if the value is smaller, it is recommended to measure the thickness of the brake shoe at the upper, middle and lower positions, and record the thickness separately.
According to the embodiment, the distance value from the brake shoe positioning block 3a to the end surface of the basic device is set to be the thickness required replacement value D2 of the brake shoe, and the detection can be used for a maintainer to quickly and accurately judge; meanwhile, when the sliding block 1 slides to the farthest position, namely the maximum extending distance is reached, the distance between the end face of the sliding block and the inner side face of the brake shoe positioning block 3a is the brake shoe thickness early warning value D1, so that a maintainer can conveniently and rapidly judge whether follow-up detection is carried out or not, and the maintenance efficiency and reliability are greatly improved.
It is to be understood that the above examples are provided for the purpose of clearly illustrating the technical aspects of the present invention and are not to be construed as limiting the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (9)
1. The urban rail vehicle overhauling device is characterized by comprising a basic device and a sliding block; the foundation device is a shell with an opening cavity; the sliding block is arranged in the basic device, can slide along the cavity of the basic device and extends out of the opening, a sliding stop is arranged on the side surface of the sliding block, and a corresponding sliding stop is arranged in the cavity of the basic device; one end of the basic device along the sliding direction is fixedly connected with a brake shoe positioning block; the distance between the inner side surface of the brake shoe positioning block and the end surface of the other end of the basic device is a preset value; when the sliding block reaches the farthest sliding position, the distance between the end face of the sliding block and the inner side face of the brake shoe positioning block is a preset value.
2. The urban rail vehicle service apparatus according to claim 1, wherein the top surface of the base unit is provided with a threaded through hole in a vertical sliding direction.
3. The urban rail vehicle service device according to claim 1, wherein the slider is provided with a reading scale in the sliding direction thereof.
4. The urban rail vehicle service device according to claim 3, wherein zero scale of the reading scale is arranged at the end face of one end of the sliding block extending out, and the maximum reading scale is arranged at the inner side face of the anti-skid stop.
5. The urban rail vehicle service apparatus of claim 1, wherein the brake shoe locating block is cambered.
6. The urban rail vehicle service apparatus of claim 1, wherein the cavity cross-sectional shape of the base unit is T-shaped.
7. The urban rail vehicle service device of claim 1, wherein the cross-sectional shape of the slider is T-shaped.
8. The urban rail vehicle service device of claim 2, wherein the number of threaded through holes is at least 2.
9. A method of using an urban rail vehicle service device based on any one of claims 1-8, characterized by the specific steps of: firstly, the back surface of a brake shoe is tightly attached to the inner side surface of an arc brake shoe positioning block, then the thickness of the brake shoe is compared with the length of a basic device, if the thickness of the brake shoe is smaller than the length H2 of the basic device, namely smaller than a replacement value D2, the brake shoe can be judged to be replaced immediately, if the thickness of the brake shoe is larger than H2, the slide block 1 can be continuously moved, when the slide block 1 slides to the farthest position, the end surface of the slide block 1 still fails to be in contact with the tread of a wheel pair of a wheel, namely, the thickness of the brake shoe is larger than an early warning value D1, the brake shoe can still work for a long time, and the accurate thickness of the brake shoe is not required to be measured; when the slide block 1 does not slide to the farthest position and abuts against the tread of the wheel, the thickness of the brake shoe is smaller than the early warning value D1, the thickness value of the brake shoe needs to be further accurately measured and recorded, and the service life of the brake shoe is estimated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910258402.4A CN110057271B (en) | 2019-04-01 | 2019-04-01 | Urban rail vehicle overhauling device and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910258402.4A CN110057271B (en) | 2019-04-01 | 2019-04-01 | Urban rail vehicle overhauling device and application method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110057271A CN110057271A (en) | 2019-07-26 |
| CN110057271B true CN110057271B (en) | 2023-11-03 |
Family
ID=67318079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910258402.4A Active CN110057271B (en) | 2019-04-01 | 2019-04-01 | Urban rail vehicle overhauling device and application method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110057271B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB503440A (en) * | 1937-10-06 | 1939-04-06 | Etienne Edmond Oehmichen | Improvements in or relating to linear dimension guages |
| US6449867B1 (en) * | 1999-03-11 | 2002-09-17 | Tru-Grind, Inc. | Apparatus and method for measuring a dimension of a workpiece |
| CN201561731U (en) * | 2009-12-21 | 2010-08-25 | 孟静 | Wheel rim tread detection measuring tool |
| CN102087086A (en) * | 2010-12-21 | 2011-06-08 | 自贡市江阳磁材有限责任公司 | Method for detecting magnetic shoes on large scale |
| CN102944154A (en) * | 2012-11-15 | 2013-02-27 | 江苏鸿业重工有限公司 | Sliding block raceway measuring device and working method thereof |
| JP2013240821A (en) * | 2012-05-22 | 2013-12-05 | Amada Co Ltd | Device and method for recognizing upper surface of workpiece in finishing machine |
| CN203949589U (en) * | 2014-07-03 | 2014-11-19 | 苏州工业园区信合科技有限公司 | A kind of size fast detector |
| CN105115388A (en) * | 2015-07-20 | 2015-12-02 | 南车二七车辆有限公司 | Brake shoe abrasion residual thickness measuring scale |
| CN206583696U (en) * | 2017-03-24 | 2017-10-24 | 四川振通公路工程检测咨询有限公司 | A kind of universal testing machine for being used to detect metal wire rod |
| CN207180517U (en) * | 2017-08-17 | 2018-04-03 | 中山市蓝海自动化设备有限公司 | A kind of positive and negative detection means for having chamfering workpiece |
| CN209820349U (en) * | 2019-04-01 | 2019-12-20 | 湖南铁路科技职业技术学院 | Urban rail vehicle overhauls device |
-
2019
- 2019-04-01 CN CN201910258402.4A patent/CN110057271B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB503440A (en) * | 1937-10-06 | 1939-04-06 | Etienne Edmond Oehmichen | Improvements in or relating to linear dimension guages |
| US6449867B1 (en) * | 1999-03-11 | 2002-09-17 | Tru-Grind, Inc. | Apparatus and method for measuring a dimension of a workpiece |
| CN201561731U (en) * | 2009-12-21 | 2010-08-25 | 孟静 | Wheel rim tread detection measuring tool |
| CN102087086A (en) * | 2010-12-21 | 2011-06-08 | 自贡市江阳磁材有限责任公司 | Method for detecting magnetic shoes on large scale |
| JP2013240821A (en) * | 2012-05-22 | 2013-12-05 | Amada Co Ltd | Device and method for recognizing upper surface of workpiece in finishing machine |
| CN102944154A (en) * | 2012-11-15 | 2013-02-27 | 江苏鸿业重工有限公司 | Sliding block raceway measuring device and working method thereof |
| CN203949589U (en) * | 2014-07-03 | 2014-11-19 | 苏州工业园区信合科技有限公司 | A kind of size fast detector |
| CN105115388A (en) * | 2015-07-20 | 2015-12-02 | 南车二七车辆有限公司 | Brake shoe abrasion residual thickness measuring scale |
| CN206583696U (en) * | 2017-03-24 | 2017-10-24 | 四川振通公路工程检测咨询有限公司 | A kind of universal testing machine for being used to detect metal wire rod |
| CN207180517U (en) * | 2017-08-17 | 2018-04-03 | 中山市蓝海自动化设备有限公司 | A kind of positive and negative detection means for having chamfering workpiece |
| CN209820349U (en) * | 2019-04-01 | 2019-12-20 | 湖南铁路科技职业技术学院 | Urban rail vehicle overhauls device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110057271A (en) | 2019-07-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201575769U (en) | Detection tool for bent cross beams of heavy trucks | |
| CN109373959B (en) | Online dynamic detection system and detection method for tread defects of train wheels | |
| CN201561731U (en) | Wheel rim tread detection measuring tool | |
| CN102322776A (en) | Single-toe elastic strip fast detecting tool and detecting method | |
| CN108662962B (en) | Go-no-go gauge for rapidly checking dovetail size of brake pad and manufacturing method thereof | |
| CN211121160U (en) | High-efficient detection device of car anticollision roof beam | |
| CN103738358A (en) | Portable railway wheel tread parameter detection instrument | |
| CN104596386A (en) | Device for measuring inner ring or outer ring channel position of oversize deep groove ball bearing | |
| CN110057271B (en) | Urban rail vehicle overhauling device and application method thereof | |
| CN105486266A (en) | Novel slide shoe detection device and method | |
| CN209820349U (en) | Urban rail vehicle overhauls device | |
| CN103968728A (en) | Handheld detector for automobile door/window glass guides | |
| CN104697420B (en) | A kind of quick bearing block positioning spline measurement apparatus and measuring method | |
| CN105737716A (en) | Automobile back light testing device | |
| CN108572085B (en) | tire wear measuring device | |
| CN210220906U (en) | On-line detection device for thickness of friction body of bullet train brake pad | |
| CN204963709U (en) | Novel utensil is examined to braking pincers support | |
| CN201795777U (en) | Mobile undulatory wear detector | |
| CN205332942U (en) | Quick detection mechanism of gear shaft | |
| CN204694182U (en) | Tool is detected in a kind of position, step pedal hole | |
| CN213594269U (en) | System for accurately detecting scratch and out-of-roundness of tread surface of wheel | |
| CN207585506U (en) | The detection device of rail freight adapter rubber pad symmetry | |
| CN219736206U (en) | Step height gauge | |
| CN221421557U (en) | Switch combination section measuring tool | |
| CN221037340U (en) | Depth pin for surface detection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |