CN104655344A - Device for testing electromagnetic attraction force of magnetic track brake - Google Patents
Device for testing electromagnetic attraction force of magnetic track brake Download PDFInfo
- Publication number
- CN104655344A CN104655344A CN201510073144.4A CN201510073144A CN104655344A CN 104655344 A CN104655344 A CN 104655344A CN 201510073144 A CN201510073144 A CN 201510073144A CN 104655344 A CN104655344 A CN 104655344A
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- rail
- cell body
- dynamometry
- magnetic
- force
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- 238000012360 testing method Methods 0.000 title abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 6
- 239000010959 steel Substances 0.000 claims abstract description 6
- 210000005056 cell body Anatomy 0.000 claims description 47
- 238000009434 installation Methods 0.000 claims description 13
- 230000033001 locomotion Effects 0.000 claims description 6
- 210000004027 cell Anatomy 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 4
- 239000000806 elastomer Substances 0.000 claims description 4
- 239000004519 grease Substances 0.000 claims description 4
- 239000000314 lubricant Substances 0.000 claims description 4
- 230000003139 buffering effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 12
- 238000005259 measurement Methods 0.000 description 11
- 230000000979 retarding effect Effects 0.000 description 5
- 238000013016 damping Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Abstract
The invention relates to the technical field of magnetic track brakes, in particular to a device for testing electromagnetic attraction force of a magnetic track brake. The device comprises a steel tail, a force-testing rail block, a guide slot, an elastic force-testing device and a tensile machine, wherein the steel rail serves as a sectional steel rail; a slot body of the guide slot is vertically disposed in the sectional steel rail; a limiting plate is fixed to the inner wall of the slot body; the force-testing rail block and the elastic force-testing device are arranged inside the slot body; the bottom of the force-testing rail block is connected with the elastic force-testing device and the tensile machine through an intermediate connection rod. Compared with the conventional force-testing device, the attraction force testing device is simple in structure and convenient for force testing, can efficiently and accurately test the electromagnetic attraction force value of the magnetic track brake, and ensures reliability and safety of travel brake of trains.
Description
Technical field
The present invention relates to magnetic rail brake device technical field, specifically, relate to magnetic rail brake device electromagnetic attraction proving installation.
Background technology
Along with the fast development of the track vehicles such as bullet train, subway, light rail, magnetic rail brake device, as brake component indispensable in brake system on track vehicle, also obtains development swift and violent fast and application.Electromagnetic attraction is the main technical indicator of magnetic rail brake device, and the quality of its performance directly affects magnetic rail brake device produces damping force size to train.Therefore, the electromagnetic attraction value of the measurement magnetic rail brake device of efficiently and accurately is of great significance for the development of magnetic rail brake device and train braking security tool.
At present, the method measuring magnetic rail brake device electromagnetic attraction has multiple.Conventional measuring method is: the both sides of puller system direct pull magnetic rail brake device, magnetic pole and track entirety is caused to depart from, and then obtain magnetic force size, this measuring method is comparatively simple and convenient, once magnetic rail brake device two ends force is uneven in measuring process, easily cause surface of contact one end first to be thrown off, and then affect measurement result or cause dynamometry failure.
China Patent No. CN201080055887 discloses a kind of pick-up unit for electromagnetic brake, by arranging the dynamometer for detecting retarding spring restoring force between retarding spring and latch plate, retarding spring is towards braked wheel side excitation brake arm, brake arm is provided with shoe brake, latch plate keeps retarding spring to be in compression deformation state, judgment part based on dynamometer output and judge that the damping force of electromagnetic brake is whether beyond the normal range of regulation.It can thus be appreciated that above-mentioned detection device measures damping force by measuring retarding spring restoring force, this measuring method is comparatively suitable for and measures force for lift, and is a kind of pick-up unit of electromagnetic brake, is not suitable for the electromagnetic attraction test of magnetic rail brake device.
Summary of the invention
The object of this invention is to provide a kind of magnetic rail brake device electromagnetic attraction proving installation, efficiently can measure the electromagnetic attraction value of magnetic rail brake device accurately, guarantee the reliability that train travel is braked and security.
Technical scheme of the present invention is: magnetic rail brake device electromagnetic attraction proving installation, this proving installation comprises rail, dynamometry rail block, gathering sill, elasticity device for measuring force and puller system, described rail is sectional type rail, and the magnetic pole of magnetic rail brake device is positioned on the rail level of rail; Described gathering sill comprises cell body, cover plate and limiting plate, and cell body is vertically installed between sectional type rail, and described cover plate is dismountable to be installed on front side of described cell body;
Described limiting plate is fixed on cell body inwall, and described dynamometry rail block and described elasticity device for measuring force are all positioned at described cell body inside, and described dynamometry rail block is installed on the top of described limiting plate, when magnetic pole do not placed by steel plate, described dynamometry rail block lower end and described limiting plate upper-end contact; When placing magnetic pole, described dynamometry rail block upper end and rail upper surface flush and be adsorbed on magnetic pole, described dynamometry rail block lower end and limiting plate depart from;
Described elasticity device for measuring force is installed on the below of described limiting plate, described dynamometry rail block is connected by middle brace rod with described elasticity device for measuring force, described elasticity device for measuring force lower end is connected with described puller system, and described puller system pulls described elasticity device for measuring force and described dynamometry rail block along the vertical movement of cell body inwall from bottom to top.
Further, for guaranteeing measurement precision, described cell body is rectangle cell body, and described cell body outer wall and both sides rail are fixed, and described cell body inside surface is set to shiny surface.
Further, for reducing the friction force of dynamometry rail block and elasticity device for measuring force and cell body inwall, the inwall of described cover plate and described cell body being distributed with multiple aperture, in aperture, storing lubricant grease.
Further, for increasing, one piece of limiting plate is respectively installed in the corner of described cell body inwall, described limiting plate is provided with buffering dynamometry rail block produces impact soft liner to limited block.
Further, for avoiding cell body, cover plate and connecting link to affect pole pair dynamometry rail block suction, described cover plate, cell body and connecting link all adopt not magnetic conductive material.
Further, for guaranteeing value of thrust even variation suffered by dynamometry rail block, described elasticity device for measuring force adopts the Rectangular Elastic block with buffer action and dynamometry effect, is provided with the force cell measuring value of thrust in elastomer block.
The present invention's beneficial effect is compared with prior art:
1) this suction measurement device is compared with traditional device for measuring force, and structure is simple, dynamometry is convenient, avoids in traditional test process, because surface of contact one end is easily thrown off, causes measurement result out of true or dynamometry failure;
2) for ensureing the accuracy of force measurements, cover plate, cell body and connecting link all adopt not magnetic conductive material, cell body inside surface is set to shiny surface, and the inwall of cover plate and cell body is distributed with the aperture of multiple storage lubricant grease, has an impact to dynamometry process to avoid friction of motion;
3) in actual dynamometry process, the dynamometry rail block can choosing unit length measures electromagnetic attraction value, and can according to the relation between unit dynamometry rail block length angle value and electromagnetic attraction value, obtain the electromagnetic attraction value of random length dynamometry rail block, the test area of testing magnetic rail brake device electromagnetic attraction greatly can be reduced by this measuring method, reduce magnetic rail brake device electromagnetic attraction size to the susceptibility of rail test surfaces, measurement result is accurate, stable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention (one);
Fig. 2 is structural representation of the present invention (two);
Fig. 3 is the structural representation () of gathering sill;
Fig. 4 is the structural representation (two) of gathering sill.
Wherein, 1-rail; 2-dynamometry rail block; 3-gathering sill; 4-elasticity device for measuring force; 5-puller system; 6-cell body; 7-cover plate; 8-soft liner
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the embodiment of a part of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those skilled in the art obtain under the prerequisite of not making creative work, all belongs to protection scope of the present invention.
Embodiment 1
See Fig. 1 and Fig. 2, magnetic rail brake device electromagnetic attraction proving installation, comprise rail 1, dynamometry rail block 2, gathering sill 3, elasticity device for measuring force 4 and puller system 5, rail 1 is sectional type rail, be provided with the gap of installing gathering sill 3 in the middle of sectional type rail, the magnetic pole of magnetic rail brake device is positioned on the rail level of rail 1.
Fig. 3 and Fig. 4 is the structural representation of gathering sill 3, and gathering sill 3 is vertically installed in the gap between sectional type rail, and fixes with both sides rail 1.Gathering sill 3 comprises cell body 6, cover plate 7 and limiting plate, and cell body 6 is rectangle cell body, and cell body 6 outer wall and both sides rail 1 are fixed, and cell body 6 inside surface is set to shiny surface.Limiting plate is fixed on cell body 6 inwall.And in the corner of cell body 6 inwall, one piece of limiting plate is respectively installed, limiting plate is provided with soft liner 8, in order to cushion the shock that dynamometry rail block 2 pairs of limited blocks produce.
It is inner that dynamometry rail block 2 is positioned at cell body 6, and be installed on the top of limiting plate, the cell body 6 inwall vertical movement of dynamometry rail block 2 above limiting plate.When not placing magnetic pole, dynamometry rail block 2 lower end contacts with the soft liner 8 of limiting plate upper end; When placing magnetic pole, dynamometry rail block 2 departs from limiting plate due to suction, dynamometry rail block 2 upper end and rail 1 upper surface flush and be adsorbed on magnetic pole, and dynamometry rail block 2 lower end and limiting plate depart from.
It is inner that elasticity device for measuring force 4 is positioned at cell body 6, and be installed on the below of limiting plate, and elasticity device for measuring force 4 is along the cell body 6 inwall vertical movement below limiting plate.Elasticity device for measuring force 4 upper end is connected by connecting link with dynamometry rail block 2, and elasticity device for measuring force 4 lower end is connected with puller system 5 by connecting link, and is with dynamic elasticity device for measuring force 4 and dynamometry rail block 2 along the vertical movement of cell body 6 inwall by puller system 5.
The dismountable front side being installed on cell body 6 of cover plate 7.For not affecting the suction between magnetic pole and dynamometry rail block 2, cover plate, cell body 6 and connecting link all adopt not magnetic conductive material.For friction force when reduction dynamometry rail block 2 and elasticity device for measuring force 4 move along cell body 6 inwall, the inwall of cover plate and cell body 6 is distributed with multiple aperture, in aperture, stores lubricant grease.
Elasticity device for measuring force 4 adopts Rectangular Elastic block, guarantees value of thrust even variation suffered by dynamometry rail block 2 by elastomer block, is provided with the force cell measuring value of thrust in elastomer block.
The course of work of this suction measurement device is:
During measurement, choose the rail of certain length, be positioned over by the magnetic pole of magnetic rail brake device on the rail level of rail 1, under magnetic pole suction, the lower end of dynamometry rail block 2 departs from limited block, and the upper end of dynamometry rail block 2 is adsorbed on the magnetic pole of magnetic rail brake device.
Start puller system 5, apply downward pulling force to elasticity device for measuring force 4 by puller system 5, now elasticity device for measuring force 4 moves straight down along gathering sill 3 inwall, and then by pull transfer straight down to dynamometry rail block 2.Elasticity device for measuring force 4 continues to move downward, and suffered by dynamometry rail block 2, pulling force will constantly increase, and when pulling force suffered by dynamometry rail block 2 is equal with magnetic pole suction suffered by dynamometry rail block 2, dynamometry rail block 2 and magnetic pole depart from.The force cell collection of elasticity device for measuring force 4 also exports maximum pull value, and now force value is the electromagnetic attraction value of pole pair dynamometry rail block 2.
It will be appreciated by those skilled in the art that, in actual measurement process, the dynamometry rail block 2 can choosing unit length measures electromagnetic attraction value, and can according to the relation between unit dynamometry rail block 2 length value and electromagnetic attraction value, obtain the electromagnetic attraction value of random length dynamometry rail block 2, greatly can reduce the test area of testing magnetic rail brake device electromagnetic attraction by this measuring method, reduce magnetic rail brake device electromagnetic attraction size to the susceptibility of rail test surfaces, measurement result is accurate, stable.
Those skilled in the art can understand the schematic diagram that accompanying drawing is only a preferred embodiment, and the workflow in accompanying drawing might not be that enforcement the present invention is necessary.
It is last it is noted that above embodiment is only for illustration of technical scheme of the present invention, but not be limited, although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (6)
1. magnetic rail brake device electromagnetic attraction proving installation, is characterized in that: this proving installation comprises rail, dynamometry rail block, gathering sill, elasticity device for measuring force and puller system, and described rail is sectional type rail, and the magnetic pole of magnetic rail brake device is positioned on the rail level of rail; Described gathering sill comprises cell body, cover plate and limiting plate, and cell body is vertically installed between sectional type rail, and described cover plate is dismountable to be installed on front side of described cell body; Described limiting plate is fixed on cell body inwall, and described dynamometry rail block and described elasticity device for measuring force are all positioned at described cell body inside, and described dynamometry rail block is installed on the top of described limiting plate, when magnetic pole do not placed by steel plate, described dynamometry rail block lower end and described limiting plate upper-end contact; When placing magnetic pole, described dynamometry rail block upper end and rail upper surface flush and be adsorbed on magnetic pole, described dynamometry rail block lower end and limiting plate depart from; Described elasticity device for measuring force is installed on the below of described limiting plate, described dynamometry rail block is connected by middle brace rod with described elasticity device for measuring force, described elasticity device for measuring force lower end is connected with described puller system, and described puller system pulls described elasticity device for measuring force and described dynamometry rail block along the vertical movement of cell body inwall from bottom to top.
2. magnetic rail brake device electromagnetic attraction proving installation according to claim 1, it is characterized in that: described cell body is rectangle cell body, described cell body outer wall and both sides rail are fixed, and described cell body inside surface is set to shiny surface.
3. magnetic rail brake device electromagnetic attraction proving installation according to claim 1 and 2, is characterized in that: the inwall of described cover plate and described cell body is distributed with multiple aperture, stores lubricant grease in aperture.
4. magnetic rail brake device electromagnetic attraction proving installation according to claim 1, is characterized in that: one piece of limiting plate is respectively installed in the corner of described cell body inwall, described limiting plate is provided with buffering dynamometry rail block produces impact soft liner to limited block.
5. magnetic rail brake device electromagnetic attraction proving installation according to claim 1, is characterized in that: described cover plate, cell body and connecting link all adopt not magnetic conductive material.
6. magnetic rail brake device electromagnetic attraction proving installation according to claim 1, is characterized in that: described elasticity device for measuring force adopts Rectangular Elastic block, is provided with the force cell measuring value of thrust in elastomer block.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510073144.4A CN104655344B (en) | 2015-02-10 | 2015-02-10 | Magnetic rail brake device electromagnetic attraction proving installation |
| RU2016141185A RU2630711C1 (en) | 2015-02-10 | 2015-05-20 | Device for testing electromagnetic gravity force of magnetic rail brake |
| PCT/CN2015/079335 WO2016127520A1 (en) | 2015-02-10 | 2015-05-20 | Device for testing electromagnetic attraction force of magnetic track brake |
| US15/306,474 US9677959B2 (en) | 2015-02-10 | 2015-05-20 | Testing device for electromagnetic attraction force of a magnetic track brake |
| EP15881681.9A EP3106853B1 (en) | 2015-02-10 | 2015-05-20 | Device for testing electromagnetic attraction force of magnetic track brake |
| JP2016561363A JP6228321B2 (en) | 2015-02-10 | 2015-05-20 | Test equipment for electromagnetic attraction of magnetic track brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510073144.4A CN104655344B (en) | 2015-02-10 | 2015-02-10 | Magnetic rail brake device electromagnetic attraction proving installation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104655344A true CN104655344A (en) | 2015-05-27 |
| CN104655344B CN104655344B (en) | 2015-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510073144.4A Expired - Fee Related CN104655344B (en) | 2015-02-10 | 2015-02-10 | Magnetic rail brake device electromagnetic attraction proving installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104655344B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462360A (en) * | 2017-08-21 | 2017-12-12 | 迅达（许昌）驱动技术有限公司 | A kind of brake electromagnetism force test device of elevator driving |
| CN107478372A (en) * | 2017-09-05 | 2017-12-15 | 北京精密机电控制设备研究所 | A kind of permanent-magnet brake electromagnetism the suction-combining force tester for testing |
| CN111780913A (en) * | 2020-06-29 | 2020-10-16 | 中车株洲电力机车有限公司 | System and method for testing attractive force of magnetic track brake |
| CN112903171A (en) * | 2021-01-20 | 2021-06-04 | 中车青岛四方机车车辆股份有限公司 | Testing device and method for electromagnetic track brake |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030010132A1 (en) * | 2001-06-09 | 2003-01-16 | Romel Scorteanu | Method and device to measure the brake force for railroad vehicles |
| CN101726374A (en) * | 2008-10-30 | 2010-06-09 | 上海立新液压有限公司 | Electromagnet suction characteristic testing device |
| CN101865742A (en) * | 2009-11-27 | 2010-10-20 | 湘潭大学 | Device for testing push-pull force of electromagnet |
| CN102639422A (en) * | 2009-12-09 | 2012-08-15 | 奥的斯电梯公司 | Detector for electromagnetic brake |
-
2015
- 2015-02-10 CN CN201510073144.4A patent/CN104655344B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030010132A1 (en) * | 2001-06-09 | 2003-01-16 | Romel Scorteanu | Method and device to measure the brake force for railroad vehicles |
| CN101726374A (en) * | 2008-10-30 | 2010-06-09 | 上海立新液压有限公司 | Electromagnet suction characteristic testing device |
| CN101865742A (en) * | 2009-11-27 | 2010-10-20 | 湘潭大学 | Device for testing push-pull force of electromagnet |
| CN102639422A (en) * | 2009-12-09 | 2012-08-15 | 奥的斯电梯公司 | Detector for electromagnetic brake |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462360A (en) * | 2017-08-21 | 2017-12-12 | 迅达（许昌）驱动技术有限公司 | A kind of brake electromagnetism force test device of elevator driving |
| CN107462360B (en) * | 2017-08-21 | 2023-08-29 | 西继迅达电梯有限公司 | Elevator driven brake electromagnetic force testing device |
| CN107478372A (en) * | 2017-09-05 | 2017-12-15 | 北京精密机电控制设备研究所 | A kind of permanent-magnet brake electromagnetism the suction-combining force tester for testing |
| CN111780913A (en) * | 2020-06-29 | 2020-10-16 | 中车株洲电力机车有限公司 | System and method for testing attractive force of magnetic track brake |
| WO2022000966A1 (en) * | 2020-06-29 | 2022-01-06 | 中车株洲电力机车有限公司 | Magnetic rail brake suction testing system and method |
| CN111780913B (en) * | 2020-06-29 | 2022-05-13 | 中车株洲电力机车有限公司 | Magnetic track brake suction force testing system and method |
| CN112903171A (en) * | 2021-01-20 | 2021-06-04 | 中车青岛四方机车车辆股份有限公司 | Testing device and method for electromagnetic track brake |
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| Publication number | Publication date |
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| CN104655344B (en) | 2015-08-26 |
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Address after: 266000 Shandong province Qingdao City, Ruichang Road No. 231 Patentee after: CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE Co.,Ltd. Address before: 266000 Ruichang Road, Shandong, China, No. 231, No. Patentee before: QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE Co.,Ltd. |
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Granted publication date: 20150826 |