CN212499911U - Novel pantograph bow spring box - Google Patents
Novel pantograph bow spring box Download PDFInfo
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- CN212499911U CN212499911U CN202021232327.9U CN202021232327U CN212499911U CN 212499911 U CN212499911 U CN 212499911U CN 202021232327 U CN202021232327 U CN 202021232327U CN 212499911 U CN212499911 U CN 212499911U
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- outer sleeve
- guide rod
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- inner sleeve
- pantograph
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Abstract
The utility model discloses a novel pantograph head spring box, which comprises an inner sleeve and an outer sleeve which are mutually sleeved, wherein the lower end of the inner sleeve is connected with a base; the upper end of the outer sleeve is provided with a sliding plate connecting clamp, a guide rod is fixedly arranged in the outer sleeve, the middle of the inner sleeve is fixedly provided with the guide rod, the guide rod is sleeved with a spiral spring, two ends of the spiral spring are fixedly connected with the outer sleeve and the inner sleeve respectively, and a pressure sensor is arranged at the position where the inner part of the outer sleeve or the inner sleeve is connected with the spiral spring and is of a gasket structure. The utility model discloses can solve the problem that pantograph bow stress state is difficult to accurate monitoring among the prior art, simple structure, convenient and practical, accuracy are good.
Description
Technical Field
The utility model relates to a railway electric locomotive technical field, concretely relates to novel pantograph bow spring box.
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 reasonably evaluate the matching relation of the design parameters of the pantograph-catenary system, master the evolution rule of the current-receiving quality in the service process of a 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.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the above-mentioned among the prior art not enough, provide one kind can solve among the prior art pantograph bow stress condition be difficult to the novel pantograph bow spring box of the problem of accurate monitoring.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the novel pantograph head spring box comprises an inner sleeve and an outer sleeve which are sleeved with each other; the upper end of the outer sleeve is provided with a sliding plate connecting clamp, a guide rod is fixedly arranged in the outer sleeve, the middle of the inner sleeve is fixedly provided with the guide rod, the guide rod is sleeved with a spiral spring, two ends of the spiral spring are fixedly connected with the outer sleeve and the inner sleeve respectively, and a pressure sensor is arranged at the position where the inner part of the outer sleeve or the inner sleeve is connected with the spiral spring and is of a gasket structure.
The utility model provides an above-mentioned novel pantograph bow spring box's main beneficial effect lies in:
the utility model provides a novel pantograph bow spring box through setting up pressure sensor, can acquire the mechanical properties parameter of pantograph bow fast, can also combine the 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.
The pressure sensor is arranged in the cavity formed by the inner sleeve and the outer sleeve, so that the anti-interference performance is good, the measurement error caused by the environment is small, and the application range is wide. Through setting up pressure sensor for washer formula structure, the erection equipment is simple, and is small, and the quality is light, can imbed inside the cylinder wall of pantograph spring, as an organic whole with the spring box, and is little to pantograph structure and parameter influence itself.
Drawings
Fig. 1 is a schematic structural view of a novel pantograph bow spring box provided by the scheme.
Fig. 2 is an appearance schematic diagram of the novel pantograph head spring box.
The device comprises an inner sleeve, an outer sleeve, a mounting groove, an abutting groove, a through hole, an outer sleeve, an inner sleeve ring, a through hole, a groove, a side connecting hole, a sliding plate connecting clamp, a guide rod, a supporting table, a contraction part, a spiral spring, a pressure sensor and a pressing part, wherein the inner sleeve is 1, the inner sleeve is 11, the mounting groove is 12, the abutting groove is 13, the through hole is.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1, it is a schematic structural view of the novel pantograph bow spring box provided by the present scheme.
The novel pantograph bow spring box of the utility model comprises an inner sleeve 1 and an outer sleeve 2 which are mutually sleeved, wherein the lower end of the inner sleeve 1 is connected with a base; the upper end of the outer sleeve 2 is provided with a sliding plate connecting clamp 24, as shown in fig. 2, a guide rod 25 is fixedly arranged in the outer sleeve 2, the middle of the inner sleeve 1 is fixedly provided with the guide rod 25, the guide rod 25 is sleeved with a spiral spring 3, two ends of the spiral spring 3 are respectively and fixedly connected with the outer sleeve 2 and the inner sleeve 1, a pressure sensor 31 is arranged at the position where the inner part of the outer sleeve 2 or the inner sleeve 1 is connected with the spiral spring 3, and the spiral spring 3 is fixedly connected with the pressure sensor 31. The pressure sensor 31 is of a gasket construction to save space.
The inner side of the inner sleeve 1 is provided with a mounting groove 11 which is matched and connected with the spiral spring 3,
optionally, the pressure sensor 31 is disposed at the bottom of the mounting groove 11 and is fixedly connected to the mounting groove 11.
The tail end of the guide rod 25 is a contraction part 27, and a butting platform 26 is arranged at the connecting position of the contraction part 27 and the lower part of the guide rod 25. The inner side of the inner sleeve 1 is provided with an abutting groove 12 matched with the abutting table 26, and the middle part of the abutting groove 12 is provided with a through hole 13 matched with the tail end contraction part of the guide rod 25 in a penetrating way. The abutting groove 12 is arranged to limit the moving distance of the guide rod 25; the through hole 13 is provided to position the moving direction of the guide rod 25.
The inner side bottom of the outer sleeve 2 is provided with an inner collar 21, and the side surface of the inner collar 21 adjacent to the inner sleeve 1 is provided with a ring groove 22 matched with the spiral spring 3. The side wall of the inner sleeve ring 21 is provided with a bypass hole 23 penetrating through the outer sleeve 2. The signal line of the pressure sensor 31 is electrically connected to an external data collection device through the bypass hole 23.
Optionally, a pressure sensor 31 is disposed in the annular groove 22.
The following description of the working principle of the novel pantograph head spring box provided by the scheme is as follows:
when the pantograph is pressurized, transmit pressure through the base, and to 24 direction extrusion spring boxes of slide coupling clip, make interior sleeve pipe 1 remove to outer sleeve pipe 2, and extrude coil spring 3, coil spring 3 extrudees pressure sensor 31 under the pressure effect, pressure sensor 31 will monitor the transmission of pressure value passing signal line from other hole 23 to outside data collection device, under the cooperation of the time-recorder in the outside data collection device, realize carrying out real-time supervision to the mechanical properties parameter and the dynamic contact force of pantograph bow jointly.
The foregoing description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and those skilled in the art will be able to understand the present invention as long as various changes are made within the spirit and scope of the present invention as defined and defined by the appended claims, and all such changes are obvious and contemplated by the present invention.
Claims (8)
1. A novel pantograph bow spring box is characterized by comprising an inner sleeve and an outer sleeve which are mutually sleeved; the upper end of the outer sleeve is provided with a sliding plate connecting clamp, a guide rod is fixedly arranged in the outer sleeve, the middle of the inner sleeve is fixedly provided with the guide rod, the guide rod is sleeved with a spiral spring, two ends of the spiral spring are fixedly connected with the outer sleeve and the inner sleeve respectively, and a pressure sensor is arranged at the position where the inner part of the outer sleeve or the inner sleeve is connected with the spiral spring and is of a gasket structure.
2. The novel pantograph bow spring box according to claim 1, wherein the inner side of the inner sleeve is provided with a mounting groove for being connected with the coil spring in a matching manner, and the pressure sensor is arranged at the bottom of the mounting groove.
3. The new spring case for pantograph bow according to claim 2, wherein said end of said guide rod is contracted, and a butting seat is provided at the position where said contracted portion is connected with the lower portion of said guide rod.
4. The novel pantograph bow spring box according to claim 3, wherein the inner side of the inner bushing is provided with an abutting groove engaged with the abutting table, and a through hole engaged with the end contraction portion of the guide rod is formed through the middle of the abutting groove.
5. The new pantograph bow spring box of claim 1, wherein said outer sleeve has an inner collar at the bottom of its inner side, and the inner collar has a ring groove on its side adjacent to the inner sleeve for engaging with the coil spring.
6. The novel pantograph bow spring box of claim 5, wherein a bypass hole is formed through the outer sleeve on the side wall of the inner sleeve.
7. The new pantograph bow spring box of claim 6, wherein said pressure sensor is disposed in a ring groove, and a signal line of the pressure sensor passes through a bypass hole.
8. The new pantograph bow spring box of claim 1, wherein said coil spring is fixedly connected to a pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021232327.9U CN212499911U (en) | 2020-06-30 | 2020-06-30 | Novel pantograph bow spring box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021232327.9U CN212499911U (en) | 2020-06-30 | 2020-06-30 | Novel pantograph bow spring box |
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| Publication Number | Publication Date |
|---|---|
| CN212499911U true CN212499911U (en) | 2021-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202021232327.9U Active CN212499911U (en) | 2020-06-30 | 2020-06-30 | Novel pantograph bow spring box |
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| CN (1) | CN212499911U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114604098A (en) * | 2022-04-07 | 2022-06-10 | 西南交通大学 | Lubricating structure for pantograph slide plate and pantograph slide plate |
| CN114627712A (en) * | 2022-03-26 | 2022-06-14 | 大连大铁通益科技有限公司 | Subway pantograph simulation training device |
-
2020
- 2020-06-30 CN CN202021232327.9U patent/CN212499911U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114627712A (en) * | 2022-03-26 | 2022-06-14 | 大连大铁通益科技有限公司 | Subway pantograph simulation training device |
| CN114627712B (en) * | 2022-03-26 | 2024-02-23 | 大连大铁通益科技有限公司 | Subway pantograph simulation training device |
| CN114604098A (en) * | 2022-04-07 | 2022-06-10 | 西南交通大学 | Lubricating structure for pantograph slide plate and pantograph slide plate |
| CN114604098B (en) * | 2022-04-07 | 2023-09-12 | 西南交通大学 | Lubricating structure for pantograph slide plate and pantograph slide plate |
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