CN115782598A - Novel pantograph bow plate spring suspension device - Google Patents
Novel pantograph bow plate spring suspension device Download PDFInfo
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- CN115782598A CN115782598A CN202211439702.0A CN202211439702A CN115782598A CN 115782598 A CN115782598 A CN 115782598A CN 202211439702 A CN202211439702 A CN 202211439702A CN 115782598 A CN115782598 A CN 115782598A
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- connecting rod
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- 239000000725 suspension Substances 0.000 title claims abstract description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 24
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 24
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 230000008447 perception Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 238000013480 data collection Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 241001125292 Balaena mysticetus Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention discloses a novel pantograph head plate spring suspension device, which comprises a box body, wherein a first carbon sliding plate aluminum bracket fixed end connecting seat and a second carbon sliding plate aluminum bracket fixed end connecting seat are symmetrically arranged on two sides of the outer part of the box body; the first carbon sliding plate aluminum bracket fixed end connecting seat is connected with the box body through a first lower connecting rod, the middle part of the first lower connecting rod is connected to a boss arranged on one side of the box body, and two ends of the first lower connecting rod can rotate; the fixed end connecting seat of the second carbon sliding plate aluminum bracket is connected with the box body through a second lower connecting rod, and the middle part of the second lower connecting rod is connected to a sliding block arranged in a sliding groove in the side wall of the box body; a plate spring is arranged at the center of the bottom surface in the box body; the upper ends of the first lower connecting rod and the second lower connecting rod are connected with a fixed end connecting seat of the aluminum bracket of the carbon sliding plate, and the lower ends of the first lower connecting rod and the second lower connecting rod are connected with a plate spring; the center of the lower surface of the plate spring is pasted with a pressure strain gauge for measuring the deformation of the plate spring, the deformation of the plate spring reflects the current collection condition of the pantograph head, and the performance parameters of the deformation of the pantograph plate spring can be quickly acquired.
Description
Technical Field
The invention relates to the technical field of a vehicle power supply system with a pantograph current, in particular to a novel pantograph head plate spring suspension device.
Background
In a high-speed electrified railway, a pantograph arranged on the roof of a train and a contact network erected beside a track line realize the transmission of electric energy through sliding contact, and the current collection quality of a pantograph system is reflected by the pantograph head stress environment and the dynamic contact force between the contact network and the pantograph. In order to accurately evaluate the matching relationship of the design parameters of the pantograph-catenary system, grasp the evolution rule of the current-receiving quality in the service process of the high-speed train and sensitively sense the parameter degeneration and defect states of the pantograph contact network system, the stress state of the pantograph-catenary system needs to be accurately monitored in an online monitoring mode.
The existing common method is that a force sensor is additionally arranged between a pantograph slide plate and a support device to detect the pantograph head stress state of a pantograph, then based on the pantograph head space force system balance principle, the mutual acting force of a pantograph head and a support is measured, and then inertial correction is carried out to obtain the pantograph-catenary contact force, and the method comprises the pantograph-catenary contact force detection key technology of the railway technical innovation of the document; the railway technical supervision, the research on the bow net dynamic contact force measuring method. However, the method adopts an electric sensor, is easy to be interfered by electromagnetic waves, and has limited measurement precision under the condition of high-speed operation; meanwhile, the problems of data transmission, electromagnetic shielding and the like between the high-voltage side signal acquisition unit and the low-voltage side signal processing unit need to be considered, and the experimental device is complex.
The sensor of common technique is bulky, installs additional force transducer and corresponds the frock between pantograph slide and resilient means, and the distance between pantograph slide and the elastic support increases, and the structure and the parameter of pantograph bow part consequently receive the influence, have changed original top-down's mechanics transmission relation to produce the influence to the dynamics of pantograph and contact net system, can not really characterize and describe the mechanical environment of pantograph bow.
Disclosure of Invention
Aiming at the problems, the invention provides a novel plate spring suspension device for a pantograph head, which solves the problem that the stress state of the pantograph head is difficult to accurately monitor in the prior art.
The invention adopts the following technical scheme:
a novel pantograph bow plate spring suspension device comprises a box body, wherein a first carbon sliding plate aluminum bracket fixed end connecting seat and a second carbon sliding plate aluminum bracket fixed end connecting seat are symmetrically arranged on two sides of the outer part of the box body; the first carbon sliding plate aluminum bracket fixed end connecting seat is connected with the box body through a first lower connecting rod, the middle part of the first lower connecting rod is connected to a boss arranged on one side of the box body, and two ends of the first lower connecting rod can rotate; the fixed end connecting seat of the second carbon sliding plate aluminum bracket is connected with the box body through a second lower connecting rod, the middle part of the second lower connecting rod is connected to a sliding block arranged in a sliding groove in the side wall of the box body, and the sliding block can slide in the horizontal direction; a plate spring is arranged at the center of the bottom surface in the box body; the upper ends of the first lower connecting rod and the second lower connecting rod are connected with a carbon sliding plate aluminum bracket fixed end connecting seat, and the lower ends of the first lower connecting rod and the second lower connecting rod are connected with a plate spring; the center of the lower surface of the plate spring is attached with a pressure strain gauge for measuring the deformation of the plate spring, and the deformation of the plate spring indirectly reflects the current receiving condition of the bow head.
Furthermore, the lower end of the second lower connecting rod is hinged with the lower end of the first lower connecting rod.
Furthermore, the middle part of the first lower connecting rod is connected with the box body through a bolt.
Furthermore, the middle part of the second lower connecting rod is connected with a sliding block through a bolt.
Further, the bottom surface inside the box body is connected with the plate spring through a bolt.
The beneficial effects of the invention are:
1. through setting up pressure strain gauge, can acquire the performance parameter of pantograph leaf spring deformation fast, can also combine acceleration to deduce and obtain dynamic contact force. The real-time perception of the working states of the pantograph and the catenary is realized so as to evaluate the service performance of the pantograph-catenary system.
2. The pressure strain gauge is arranged on the surface of the lower side of the plate spring, so that the anti-interference performance is good, the measurement error caused by the environment is small, and the application range is wide.
3. The device is simple to install, small in size, light in weight, strong in integration with the suspension device after installation, and small in influence on the structure and parameters of the pantograph.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below, and it is apparent that the drawings in the following description only relate to some embodiments of the present invention and are not limiting on the present invention.
FIG. 1 is a front view of the present invention;
FIG. 2 is a right side view of the present invention;
FIG. 3 is a left side view of the present invention;
fig. 4 is a top view of the present invention.
In the figure: 1-a first carbon slide aluminum bracket fixed end connecting seat; 2-a first lower link; 3-a plate spring; 4-a slide block; 5-a second lower link; 6, a box body; 7-a second carbon slide aluminum bracket fixed end connecting seat; 8-compressive strain gauge; 9-boss.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It should be apparent that the described embodiments are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without inventive step, are within the scope of protection of the invention.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
The invention is further illustrated by the following examples in conjunction with the drawings.
As shown in fig. 1 to 4, a novel pantograph bow plate spring suspension device comprises a box body 6, wherein a first carbon slide plate aluminum bracket fixed end connecting seat 1 and a second carbon slide plate aluminum bracket fixed end connecting seat 7 are symmetrically arranged on two sides of the outer part of the box body 6; the first carbon sliding plate aluminum bracket fixed end connecting seat 1 is connected with the box body 6 through a first lower connecting rod 2, the middle part of the first lower connecting rod 2 is connected to a boss 9 arranged on one side of the box body 6, and two ends of the first lower connecting rod 2 can rotate; the second carbon sliding plate aluminum bracket fixed end connecting seat 7 is connected with the box body 6 through a second lower connecting rod 5, the middle part of the second lower connecting rod 5 is connected to a sliding block 4 arranged in a sliding groove on the side wall of the box body 6, and the sliding block can slide in the horizontal direction; the center of the bottom surface in the box body 6 is provided with a plate spring 3; the upper ends of the first lower connecting rod 2 and the second lower connecting rod 5 are connected with a carbon sliding plate aluminum bracket fixed end connecting seat, and the lower ends are connected with a plate spring 3; the pressure foil gage 8 is pasted at the center of the lower surface of the plate spring 3 and used for measuring the deformation of the plate spring 3, the deformation of the plate spring 3 indirectly reflects the current collection condition of a pantograph head, the performance parameters of the deformation of the pantograph plate spring can be rapidly acquired, and the dynamic contact force can be obtained by combining acceleration deduction. The real-time perception of the working states of the pantograph and the catenary is realized so as to evaluate the service performance of the pantograph-catenary system.
The lower end of the second lower connecting rod 5 is hinged with the lower end of the first lower connecting rod 2.
The middle part of the first lower connecting rod 2 is connected with the box body 6 through a bolt.
The middle part of the second lower connecting rod 5 is connected with the sliding block 4 through a bolt.
The bottom surface of the inner part of the box body 6 is connected with the plate spring 3 through a bolt.
The working principle is as follows:
when the pantograph is when the pressurized, through transmission pressure, to first carbon slide aluminium bracket stiff end connecting seat 1 and the 7 direction extrusion linkage of second carbon slide aluminium bracket stiff end connecting seat, make the tip rebound of first lower connecting rod 2 and second lower connecting rod 5, and drive the upper portion rebound of leaf spring 3, leaf spring 3 drives pressure strain gauge 8 perception deformation under the pulling force effect, the deformation volume passing signal transmission that pressure strain gauge 8 will monitor gives external data collection device, under the stress-strain treatment among the external data collection device, realize jointly that the mechanical properties parameter and the dynamic contact force to the pantograph bow carry out real-time supervision.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. A novel pantograph bow plate spring suspension device is characterized by comprising a box body (6), wherein a first carbon slide plate aluminum bracket fixed end connecting seat (1) and a second carbon slide plate aluminum bracket fixed end connecting seat (7) are symmetrically arranged on two sides of the outer part of the box body (6); the first carbon sliding plate aluminum bracket fixed end connecting seat (1) is connected with the box body (6) through a first lower connecting rod (2), the middle part of the first lower connecting rod (2) is connected to a boss (9) arranged on one side of the box body (6), and two ends of the first lower connecting rod (2) can rotate; the second carbon sliding plate aluminum bracket fixed end connecting seat (7) is connected with the box body (6) through a second lower connecting rod (5), the middle part of the second lower connecting rod (5) is connected to a sliding block (4) arranged in a sliding groove in the side wall of the box body (6), and the sliding block can slide in the horizontal direction; a plate spring (3) is arranged at the center of the bottom surface in the box body (6); the upper ends of the first lower connecting rod (2) and the second lower connecting rod (5) are connected with a carbon sliding plate aluminum bracket fixed end connecting seat, and the lower ends of the first lower connecting rod and the second lower connecting rod are connected with a plate spring (3); and a pressure strain gauge (8) is attached to the center of the lower surface of the plate spring (3).
2. A new pantograph bow leaf spring suspension device according to claim 1, characterized in that said second lower link (5) is hinged at its lower end to the lower end of the first lower link (2).
3. A new pantograph bow leaf spring suspension according to claim 1, characterized in that said first lower link (2) is bolted in its middle to the box (6).
4. A new pantograph bow leaf spring suspension according to claim 1, characterized in that said second lower link (5) is bolted in its middle to the slider (4).
5. A new pantograph bow leaf spring suspension device according to claim 1, wherein the inner bottom of the box (6) is bolted to the leaf spring (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211439702.0A CN115782598A (en) | 2022-11-17 | 2022-11-17 | Novel pantograph bow plate spring suspension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211439702.0A CN115782598A (en) | 2022-11-17 | 2022-11-17 | Novel pantograph bow plate spring suspension device |
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| Publication Number | Publication Date |
|---|---|
| CN115782598A true CN115782598A (en) | 2023-03-14 |
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| CN202211439702.0A Pending CN115782598A (en) | 2022-11-17 | 2022-11-17 | Novel pantograph bow plate spring suspension device |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11136804A (en) * | 1997-10-30 | 1999-05-21 | Central Japan Railway Co | Method for measuring contact force of pantograph |
| JP2003156397A (en) * | 2001-11-19 | 2003-05-30 | Railway Technical Res Inst | Method and instrument for measuring contact force of pantograph |
| JP2010025677A (en) * | 2008-07-17 | 2010-02-04 | Railway Technical Res Inst | Method and device for measuring contact force of pantograph |
| JP2017123751A (en) * | 2016-01-08 | 2017-07-13 | 三菱重工業株式会社 | Pantograph and vehicle |
| CN107117037A (en) * | 2017-05-24 | 2017-09-01 | 西南交通大学 | Bow net contact power rod-type pressure sensor and its method for measuring bow net contact power |
| CN110329078A (en) * | 2019-07-03 | 2019-10-15 | 西南交通大学 | A kind of pantograph collector head structure reducing bullet train bow net ratio of contact loss |
| CN110549856A (en) * | 2019-09-12 | 2019-12-10 | 西南交通大学 | Pantograph structure |
| CN210363397U (en) * | 2019-07-01 | 2020-04-21 | 江苏飞梭智行设备有限公司 | Pantograph for suspension type rail vehicle and suspension type rail system |
| CN112129445A (en) * | 2020-09-27 | 2020-12-25 | 中国科学院力学研究所 | Bow net contact force on-line test scheme |
-
2022
- 2022-11-17 CN CN202211439702.0A patent/CN115782598A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11136804A (en) * | 1997-10-30 | 1999-05-21 | Central Japan Railway Co | Method for measuring contact force of pantograph |
| JP2003156397A (en) * | 2001-11-19 | 2003-05-30 | Railway Technical Res Inst | Method and instrument for measuring contact force of pantograph |
| JP2010025677A (en) * | 2008-07-17 | 2010-02-04 | Railway Technical Res Inst | Method and device for measuring contact force of pantograph |
| JP2017123751A (en) * | 2016-01-08 | 2017-07-13 | 三菱重工業株式会社 | Pantograph and vehicle |
| CN107117037A (en) * | 2017-05-24 | 2017-09-01 | 西南交通大学 | Bow net contact power rod-type pressure sensor and its method for measuring bow net contact power |
| CN210363397U (en) * | 2019-07-01 | 2020-04-21 | 江苏飞梭智行设备有限公司 | Pantograph for suspension type rail vehicle and suspension type rail system |
| CN110329078A (en) * | 2019-07-03 | 2019-10-15 | 西南交通大学 | A kind of pantograph collector head structure reducing bullet train bow net ratio of contact loss |
| CN110549856A (en) * | 2019-09-12 | 2019-12-10 | 西南交通大学 | Pantograph structure |
| CN112129445A (en) * | 2020-09-27 | 2020-12-25 | 中国科学院力学研究所 | Bow net contact force on-line test scheme |
Non-Patent Citations (4)
| Title |
|---|
| NING ZHOU; HUAN ZOU; RUIPING LI; GUIMING MEI; WEIHUA ZHANG: "Dynamic behavior of different pantograph models in simulation of pantograph and catenary interaction", 2016 35TH CHINESE CONTROL CONFERENCE (CCC), vol. 10, 29 August 2016 (2016-08-29) * |
| 周宁，王俊东: "基于图像处理技术检测弓网接触力的新方法", 西南交通大学学报, vol. 58, 15 November 2021 (2021-11-15) * |
| 欧阳鹏;王月明;王晓剑;张永贵;: "受力变形后的受电弓板簧气动特性二维数值研究", 科技创新与应用, no. 04, 8 February 2013 (2013-02-08) * |
| 马果垒;张卫华;梅桂明;: "高速受电弓整体结构特性分析", 机械强度, no. 01, 15 February 2010 (2010-02-15) * |
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