CN215262183U - Online dynamic detection assembly for contact pressure of pantograph working position - Google Patents
Online dynamic detection assembly for contact pressure of pantograph working position Download PDFInfo
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- CN215262183U CN215262183U CN202120652398.2U CN202120652398U CN215262183U CN 215262183 U CN215262183 U CN 215262183U CN 202120652398 U CN202120652398 U CN 202120652398U CN 215262183 U CN215262183 U CN 215262183U
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- contact
- connecting arm
- pantograph
- pressure
- fixedly connected
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Abstract
The utility model discloses an online dynamic detection component for contact pressure of a pantograph working position, which comprises a supporting plate, wherein the middle part of the side surface of the supporting plate is fixedly connected with a cross rod, one side of the bottom end of the cross rod is movably connected with a connecting arm component through a rotating shaft, the connecting arm component comprises a third connecting arm, the upper surface of the third connecting arm is fixedly connected with a pressure detection device, one end of the third connecting arm close to the pressure detection device is fixedly sleeved with a balance component, two sides of the side surface of the supporting plate are fixedly provided with a connecting mechanism, the connecting mechanism comprises a bracket and a connecting rod, the top end of the connecting rod is fixedly provided with a pre-tightening mechanism, the pantograph is pressed down by a downward-moving transition piece so as to separate the pantograph from a contact network wire, the dynamic pressure value of the pantograph is detected by the pressure detection device, the pantograph is separated from the contact network wire in the detection process, the contact network can effectively avoid the contact network from temperature change and mutual interference between adjacent front and back bows, the detection precision is greatly improved.
Description
Technical Field
The utility model relates to a pantograph detects technical field, specifically is an online dynamic detection subassembly of pantograph station contact pressure.
Background
The pantograph is a core component of a rail locomotive for receiving electric power of a contact network, and in a high-speed electrified railway system, a stable current receiving state needs to be maintained, namely a certain contact pressure between the pantograph and a contact line needs to be required. When the contact pressure is overlarge, the lifting amount of the contact line is overlarge, so that the contact line is locally bent to cause fatigue damage of the contact line, and meanwhile, the abrasion of the contact line is increased to cause a bow net accident when the contact line is serious; when the contact pressure of the pantograph and the contact net is too low, the pantograph is easy to be off-line, namely, the pantograph is separated from the contact line and generates electric arcs.
In contrast, chinese patent application No. 200710050923.8 discloses an online dynamic detection device for detecting contact pressure of a locomotive pantograph working position, wherein a support is fixed on one side of a rail of an upright post on the outer side of the rail, and the lower end of a lifting screw rod is fixed on a bearing inner ring of the support, sequentially passes through a workbench mounting frame and a working platform, and is matched with a lifting nut on the mounting frame; the working platform is fixed on the mounting frame; and a tension and pressure sensor is arranged on the working platform close to the side of the upright column, and a steel rope connected with the sensor downwards penetrates through the working platform and the mounting frame to be connected with one end of the near-side horizontal insulator. Although the device can be used for online dynamic detection, the device cannot be suitable for simultaneous detection of multiple bows, and the main reason is that a non-detection-position pantograph is easily influenced by a detection-position pantograph, and when a contact net is lifted, pressure can be generated on the non-detection-position pantograph, so that the pressure of the detected-position pantograph is increased, and the detection result is influenced. I.e. without the function of separate detection. Therefore, an online dynamic detection assembly for the contact pressure of the working position of the pantograph is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an online dynamic detection subassembly of pantograph work position contact pressure to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the online dynamic detection assembly for the contact pressure of the working position of the pantograph comprises a supporting plate, wherein a cross rod is fixedly connected to the middle of the side surface of the supporting plate, one side of the bottom end of the cross rod is movably connected with a connecting arm assembly through a rotating shaft, the connecting arm assembly comprises a third connecting arm, a pressure detection device is fixedly connected to the upper surface of the third connecting arm, and a balance assembly is fixedly sleeved at one end, close to the pressure detection device, of the third connecting arm;
the supporting plate is characterized in that connecting mechanisms are fixedly mounted on two sides of the side face of the supporting plate and comprise a support and a connecting rod, a pre-tightening mechanism is fixedly arranged at the top end of the connecting rod and comprises a contact pipe, and a contact network cable is arranged inside the contact pipe.
Preferably, the linking arm subassembly still includes first linking arm and second linking arm, second linking arm upper end with pivot fixed connection, its lower extreme with third linking arm fixed connection, first linking arm is equipped with two, just first linking arm both ends respectively with second linking arm and third linking arm fixed connection, all be equipped with the insulator on first linking arm, second linking arm and the third linking arm.
Preferably, the third linking arm is kept away from pressure measurement device's one end fixed surface is equipped with connecting terminal, and its lower fixed surface is equipped with and moves down the transition piece, it includes guide portion and contact piece to move down the transition piece, the guide portion upper end with third linking arm lower extreme fixed connection, its lower extreme with contact piece fixed connection, the contact piece lower extreme is equipped with the pantograph, the pantograph upper end with contact net twine detachable contact.
Preferably, the pressure detection device includes the fixed plate, the fixed pressure sensor that is equipped with in fixed plate upper end, the pressure sensor lower extreme has the push pedal through detecting spring coupling, push pedal bottom fixedly connected with push rod, the push rod runs through the horizontal pole with third linking arm fixed connection.
Preferably, the pre-tightening mechanism further comprises an adjusting bolt and a contact arc plate, the adjusting bolt penetrates through the contact pipe through a threaded structure, the bottom end of the adjusting bolt is fixedly connected with the contact arc plate, and a contact network cable is connected inside the contact arc plate in a sliding mode.
Preferably, the adjusting bolts are provided with two adjusting bolts, contact terminals are fixedly arranged in the middle of the adjusting bolts, and the contact terminals are electrically connected with the connecting terminals through connecting wires.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses utilize the transition piece that moves down to push down the pantograph for pantograph and contact network line separation utilize lever principle, detect out pantograph dynamic pressure value through pressure measurement device, in the testing process, pantograph and contact network line alternate segregation can effectively avoid the contact net to receive temperature variation and adjacent front and back bow mutual interference, have improved the detection precision greatly; by arranging the connecting mechanism, the pre-tightening mechanism is arranged at the end part of the connecting mechanism, and the contact net wire penetrates through the contact arc-shaped plate, the straightness and the levelness of the contact net between the pre-tightening mechanisms of the two contact nets can be ensured, the influence caused by different pantographs during multi-pantograph detection is avoided, and the accuracy of online detection is improved; through the mutual matching of the connecting terminal, the connecting lead and the contact terminal, the pantograph is always electrified in the separation process of the contact network cable.
Drawings
FIG. 1 is a schematic side view of a connecting arm assembly according to the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is an enlarged structural view of the structure at A in FIG. 2 according to the present invention;
FIG. 4 is a schematic side view of the connecting mechanism of the present invention;
FIG. 5 is a schematic view of the internal structure of the pre-tightening mechanism of the present invention;
fig. 6 is a schematic view of the local structure of the pre-tightening mechanism of the present invention.
In the figure: the device comprises a support plate 1, a cross rod 2, a rotating shaft 3, a connecting arm assembly 4, a first connecting arm 401, a second connecting arm 402, a third connecting arm 403, a pressure detection device 5, a fixing plate 501, a pressure sensor 502, a detection spring 503, a push plate 504, a push rod 5041, a balancing assembly 6, a connecting terminal 7, a downward moving transition piece 8, a guide 801, a contact 802, a pantograph 9, a contact network wire 10, a connecting mechanism 11, a support 1101, a connecting rod 1102, a pretightening mechanism 12, a contact pipe 1201, an adjusting bolt 1202, a contact arc plate 1203, a contact terminal 13, an insulator 14 and a connecting wire 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in fig. 1, and are only for convenience of description and simplification of description, but do not indicate or imply that a device or structure to be referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: an online dynamic detection assembly for contact pressure of a pantograph working position comprises a supporting plate 1, wherein a cross rod 2 is fixedly connected to the middle of the side surface of the supporting plate 1, a connecting arm assembly 4 is movably connected to one side of the bottom end of the cross rod 2 through a rotating shaft 3, the connecting arm assembly 4 comprises a third connecting arm 403, a pressure detection device 5 is fixedly connected to the upper surface of the third connecting arm 403, and a balance assembly 6 is fixedly sleeved at one end, close to the pressure detection device 5, of the third connecting arm 403; by utilizing the lever principle, in the detection process, the pantograph is separated from the contact network cable, so that the contact network can be effectively prevented from being interfered by temperature change and adjacent front and rear pantograph, and the detection precision is greatly improved.
Two sides of the side surface of the supporting plate 1 are fixedly provided with connecting mechanisms 11, each connecting mechanism 11 comprises a support 1101 and a connecting rod 1102, the top end of each connecting rod 1102 is fixedly provided with a pre-tightening mechanism 12, each pre-tightening mechanism 12 comprises a contact tube 1201, and a contact network cable 10 is arranged inside each contact tube 1201.
The connecting arm assembly 4 further comprises a first connecting arm 401 and a second connecting arm 402, the upper end of the second connecting arm 402 is fixedly connected with the rotating shaft 3, the lower end of the second connecting arm is fixedly connected with the third connecting arm 403, the number of the first connecting arm 401 is two, the two ends of the first connecting arm 401 are fixedly connected with the second connecting arm 402 and the third connecting arm 403 respectively, insulators 14 are arranged on the first connecting arm 401, the second connecting arm 402 and the third connecting arm 403 respectively, and the insulators can be arranged to guarantee safety in the detection process.
The upper surface of one end, far away from the pressure detection device 5, of the third connecting arm 403 is fixedly provided with a connecting terminal 7, the lower surface of the third connecting arm is fixedly provided with a downward-moving transition piece 8, the downward-moving transition piece 8 comprises a guide portion 801 and a contact element 802, the upper end of the guide portion 801 is fixedly connected with the lower end of the third connecting arm 403, the lower end of the guide portion is fixedly connected with the contact element 802, the lower end of the contact element 802 is provided with a pantograph 9, the upper end of the pantograph 9 is detachably contacted with a contact network cable 10, pantograph-separated dynamic real-time detection is achieved, in the detection process, the horizontal height of the downward-moving transition piece 8 is lower than that of a pre-tightening mechanism, so that the pantograph 9 is separated from the contact network cable 10, and detection is convenient.
The pre-tightening mechanism 12 further comprises an adjusting bolt 1202 and a contact arc plate 1203, the adjusting bolt 1202 penetrates through the contact tube 1201 through a threaded structure, the bottom end of the adjusting bolt 1202 is fixedly connected with the contact arc plate 1203, the contact net wire 10 is connected inside the contact arc plate 1203 in a sliding mode, the straightness and the levelness of the contact net wire between the two pre-tightening mechanisms are guaranteed through adjusting the adjusting bolt 1202, and the accuracy of a detection result is further improved.
Adjusting bolt 1202 is equipped with two, and fixed contact terminal 13 that is equipped with in the middle of it, contact terminal 13 pass through connecting wire 15 and connecting terminal 7 electric connection for electrified all the time in pantograph and contact net separation process.
The working principle is as follows: the utility model discloses be provided with linking arm subassembly 4 and coupling mechanism 11, utilize to move down contact piece 802 on transition piece 8 and push down pantograph 9 for pantograph 9 separates with contact net line 10, utilize lever principle, upwards drive detection spring 503 through push pedal 504 and compress, demonstrate dynamic pressure on pressure sensor 502, detect out pantograph 9 dynamic pressure value, in the testing process, pantograph 9 separates from contact net line 10 each other, can effectively avoid contact net line 10 to receive temperature variation and adjacent front and back bow mutual interference, improved the detection precision greatly; the end part of the connecting mechanism 11 is provided with a pre-tightening mechanism 12, the contact network cable 10 penetrates through the contact arc plate 1203, and the straightness and levelness of the contact network 10 between the two contact network pre-tightening mechanisms 12 can be ensured by adjusting the adjusting bolt 1202, so that the influence caused by different pantographs during multi-pantograph detection is avoided, and the accuracy of online detection is improved; through the mutual matching of the connecting terminal 7, the connecting lead 15 and the contact terminal 13, the pantograph 9 and the contact network cable 10 are always electrified in the separation process, and the arrangement of the insulator 14 can improve the safety of the detection environment.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an online dynamic detection subassembly of pantograph position contact pressure, includes backup pad (1), its characterized in that: a cross rod (2) is fixedly connected to the middle of the side face of the supporting plate (1), a connecting arm assembly (4) is movably connected to one side of the bottom end of the cross rod (2) through a rotating shaft (3), the connecting arm assembly (4) comprises a third connecting arm (403), a pressure detection device (5) is fixedly connected to the upper surface of the third connecting arm (403), and a balance assembly (6) is fixedly sleeved at one end, close to the pressure detection device (5), of the third connecting arm (403);
two sides of the side face of the supporting plate (1) are fixedly provided with connecting mechanisms (11), each connecting mechanism (11) comprises a support (1101) and a connecting rod (1102), the top end of each connecting rod (1102) is fixedly provided with a pre-tightening mechanism (12), each pre-tightening mechanism (12) comprises a contact pipe (1201), and a contact network cable (10) is arranged inside each contact pipe (1201).
2. The pantograph operating position contact pressure on-line dynamic detection assembly according to claim 1, wherein: the connecting arm assembly (4) further comprises a first connecting arm (401) and a second connecting arm (402), the upper end of the second connecting arm (402) is fixedly connected with the rotating shaft (3), the lower end of the second connecting arm is fixedly connected with the third connecting arm (403), the number of the first connecting arm (401) is two, the two ends of the first connecting arm (401) are fixedly connected with the second connecting arm (402) and the third connecting arm (403) respectively, and insulators (14) are arranged on the first connecting arm (401), the second connecting arm (402) and the third connecting arm (403).
3. The pantograph operating position contact pressure on-line dynamic detection assembly according to claim 1, wherein: keep away from third linking arm (403) the one end upper surface fixation of pressure measurement device (5) is equipped with connecting terminal (7), and its lower surface fixation is equipped with down moves transition piece (8), move down transition piece (8) including guide portion (801) and contact piece (802), guide portion (801) upper end with third linking arm (403) lower extreme fixed connection, its lower extreme with contact piece (802) fixed connection, contact piece (802) lower extreme is equipped with pantograph (9), pantograph (9) upper end with contact net line (10) detachable contact.
4. The pantograph operating position contact pressure on-line dynamic detection assembly according to claim 1, wherein: pressure measurement device (5) are including fixed plate (501), fixed plate (501) upper end is fixed and is equipped with pressure sensor (502), pressure sensor (502) lower extreme is connected with push pedal (504) through detection spring (503), push pedal (504) bottom fixedly connected with push rod (5041), push rod (5041) run through horizontal pole (2) with third linking arm (403) fixed connection.
5. The pantograph operating position contact pressure on-line dynamic detection assembly according to claim 3, wherein: the pre-tightening mechanism (12) further comprises an adjusting bolt (1202) and a contact arc-shaped plate (1203), the adjusting bolt (1202) penetrates through the contact pipe (1201) through a threaded structure, the bottom end of the adjusting bolt is fixedly connected with the contact arc-shaped plate (1203), and a contact network cable (10) is connected inside the contact arc-shaped plate (1203) in a sliding mode.
6. The pantograph operating position contact pressure on-line dynamic detection assembly according to claim 5, wherein: adjusting bolt (1202) are equipped with two, and its middle fixed contact terminal (13) that is equipped with, contact terminal (13) through connecting wire (15) with connecting terminal (7) electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120652398.2U CN215262183U (en) | 2021-03-31 | 2021-03-31 | Online dynamic detection assembly for contact pressure of pantograph working position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120652398.2U CN215262183U (en) | 2021-03-31 | 2021-03-31 | Online dynamic detection assembly for contact pressure of pantograph working position |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215262183U true CN215262183U (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120652398.2U Expired - Fee Related CN215262183U (en) | 2021-03-31 | 2021-03-31 | Online dynamic detection assembly for contact pressure of pantograph working position |
Country Status (1)
| Country | Link |
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| CN (1) | CN215262183U (en) |
Cited By (2)
| 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 |
| CN114705340A (en) * | 2022-04-13 | 2022-07-05 | 苏州华兴致远电子科技有限公司 | Collector shoe pressure detection device |
-
2021
- 2021-03-31 CN CN202120652398.2U patent/CN215262183U/en not_active Expired - Fee Related
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 |
| CN114705340A (en) * | 2022-04-13 | 2022-07-05 | 苏州华兴致远电子科技有限公司 | Collector shoe pressure detection device |
| CN114705340B (en) * | 2022-04-13 | 2023-09-26 | 苏州华兴致远电子科技有限公司 | Collector shoe pressure detection device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211221 |