A pantograph detection device

Abstract

A pantograph detection device includes a base and a device body, wherein the top of the base is provided with the device body, the inside of the device body is provided with a main shaft, one side of the inner wall of the device body is provided with a plurality of damping springs, the other end of the damping spring is connected to the main shaft, the outside of the main shaft is provided with a sleeve ring adapted thereto, the sleeve ring is provided with a heat detection bead adapted thereto, a detection connecting rod is provided on the side of the heat detection bead close to the main shaft, a sensitive sensor is provided on the side of the heat detection bead away from the main shaft, and a steel ball groove and an oil inlet groove are provided on both sides of the outer wall of the main shaft. The utility model can effectively absorb and reduce the influence of external vibration on the device body, improve the stability and accuracy of the device, and realize the monitoring and detection of the heat generated when the pantograph is working through the combination of the heat detection bead, the detection connecting rod and the sensitive sensor, which is helpful to timely discover abnormal conditions and take corresponding measures.

Description

Technical Field

[0001] The utility model belongs to the technical field of rail train power supply detection, in particular to a pantograph detection device. Background Art

[0002] With the rapid development of China's economy, the population of major cities is increasing, and the demand for urban rail construction is increasing. Rail transit, with its characteristics of fast, punctuality and large capacity, is adopted by more and more cities to solve the problem of traffic congestion. It is particularly important to ensure the safe operation of rail vehicles. The daily maintenance of the pantograph system of rail vehicles is particularly important, which is related to the safe operation of the vehicle. When the pantograph contact pressure is unstable, the bow network current arcing phenomenon will occur, the vehicle traction power supply is unstable, and the vehicle traction power supply equipment will burn out when the arcing is serious, and even the contact network will be burned out. Serious faults. At present, dynamometers and other force detection equipment are used in the daily maintenance of pantographs to detect contact force performance. During the use process, the operator's skill level is insufficient, resulting in inaccurate data, and the data cannot be automatically recorded and analyzed. Other force detection equipment is large in size, the power supply is external and uses a data cable to connect for data transmission. The whole set of equipment uses many external devices, which is inconvenient to use on site.

[0003] To this end, a pantograph detection device is provided to solve the above-mentioned problem. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a pantograph detection device to at least partially solve the above technical problems.

[0005] The technical solution adopted by the utility model is as follows:

[0006] The utility model proposes a pantograph detection device, comprising a base and a device body, wherein the top of the base is provided with a device body, the interior of the device body is provided with a main shaft, one side of the inner wall of the device body is provided with a plurality of shock-absorbing springs, the other end of the shock-absorbing spring is connected to the main shaft, the outside of the main shaft is provided with a sleeve ring adapted thereto, the sleeve ring is provided with a matching heat detection bead, a detection connecting rod is provided on the side of the heat detection bead close to the main shaft, a sensitive sensor is provided on the side of the heat detection bead away from the main shaft, steel ball grooves and oil inlet grooves are provided on both sides of the outer wall of the main shaft, the steel ball grooves and the oil inlet grooves are tightly fitted, and a plurality of precision steel balls are provided inside the steel ball grooves.

[0007] As a further solution of the utility model: the precision steel balls are evenly arranged in the steel ball groove, and an oil inlet hole is provided inside the oil inlet groove.

[0008] As a further solution of the utility model: a contraction groove is provided at one end of the main shaft away from the shock-absorbing spring, an adjustment rod is installed inside the contraction groove, the adjustment rod passes through the outer wall of the device body and extends to the outside of the device body, and a plurality of heat dissipation holes are opened on the top of the device body.

[0009] As a further solution of the utility model: a buffer pad is laid between the base and the device body.

[0010] As a further solution of the utility model: a mounting head is provided at one end of the adjusting rod away from the device body.

[0011] As a further solution of the utility model: a gap is provided between the main shaft and the detection connecting rod.

[0012] As a further solution of the utility model: the shrinkage groove is slidably connected to the adjustment rod.

[0013] As a further solution of the utility model: the structure shape of the ring is ring-shaped.

[0014] Implementing the embodiments of the present utility model will have the following beneficial effects:

[0015] This embodiment can effectively absorb and reduce the impact of external vibrations on the device body through the provision of shock-absorbing springs, thereby improving the stability and accuracy of the device. Through the combination of heat detection beads, detection connecting rods and sensitive sensors, it can monitor and detect the heat generated when the pantograph is working, which helps to detect abnormal situations in time and take corresponding measures.

[0016] The precision steel balls of this embodiment are evenly arranged in the steel ball grooves, which can reduce the energy loss caused by friction and improve the operating efficiency and stability of the main shaft. Through the design of the contraction groove and the adjustment rod, the adaptability of the device to different pantographs can be easily adjusted, thereby improving the versatility and flexibility of the device.

[0017] In this embodiment, a plurality of heat dissipation holes are provided on the top to help dissipate heat and maintain the stability of the device during operation and the reliability of long-term operation.

[0018] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or technical descriptions will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 A schematic diagram of the internal structure of a pantograph detection device proposed in an embodiment of the utility model;

[0021] Figure 2 It is a side view of the main shaft of an embodiment of the utility model.

[0022] In the figure: 1. Base; 2. Device body; 3. Main shaft; 4. Shock-absorbing spring; 5. Steel ball groove; 6. Precision steel ball; 7. Oil inlet hole; 8. Oil inlet groove; 9. Ring; 10. Heat detection bead; 11. Sensitive sensor; 12. Detection connecting rod; 13. Heat dissipation hole; 14. Shrinkage groove; 15. Adjustment rod; 16. Mounting head; 17. Buffer pad.

[0023] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention. DETAILED DESCRIPTION

[0024] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0025] It should be noted that the terms "first", "second", etc. are only used to distinguish between description and position description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the feature defined as "first" etc. may explicitly or implicitly include one or more of the features; similarly, when the quantity of certain features is not limited in the form of words such as "two" or "three", it should be noted that the feature also explicitly or implicitly includes one or more feature quantities;

[0026] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms such as "installation", "connection", "fixation" and the like should be understood in a broad sense; for example, it can be a fixed connection, a detachable connection, or an integral molding; it can be a mechanical connection, a direct connection, welding, or an indirect connection through an intermediate medium, or it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the drawings in the specification and the specific circumstances.

[0027] In the description of the embodiments of the present invention, it should be understood that terms such as "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside" and "outside" indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the embodiments of the present invention.

[0028] like Figure 1 to Figure 2 As shown, a pantograph detection device includes a base 1 and a device body 2, the top of the base 1 is provided with the device body 2, the inside of the device body 2 is provided with a main shaft 3, one side of the inner wall of the device body 2 is provided with a plurality of shock-absorbing springs 4, the other end of the shock-absorbing spring 4 is connected to the main shaft 3, the outside of the main shaft 3 is provided with a matching ring 9, the ring 9 is provided with a matching heat detection bead 10, the side of the heat detection bead 10 close to the main shaft 3 is provided with a detection connecting rod 12, the side of the heat detection bead 10 away from the main shaft 3 is provided with a sensitive sensor 11, both sides of the outer wall of the main shaft 3 are provided with steel ball grooves 5 and oil inlet grooves 8, the steel ball grooves 5 and the oil inlet grooves 8 are tightly fitted, and a plurality of precision steel balls 6 are provided inside the steel ball grooves 5. In specific applications, when the train is running, the main shaft 3 moves inside the device body 2, and the shock-absorbing spring 4 plays a buffering role to reduce the impact of vibration transmitted to the inner wall of the device body 2. The ring 9 is adapted to the main shaft 3 and is provided with a heat detection bead 10. When the heat detection bead 10 is close to one side of the main shaft 3, a certain distance is formed between the detection connecting rod 12 and the sensitive sensor 11, and the sensor is not affected at this time; when the heat detection bead 10 is away from one side of the main shaft 3, the distance between the detection connecting rod 12 and the sensor is reduced, and the sensor can detect the signal change. In addition, the steel ball groove 5 and the oil inlet groove 8 on the outer wall of the main shaft 3 are tightly fitted, and the precision steel ball 6 is located inside the steel ball groove 5. When the train is running, the precision steel ball 6 rolls with the movement of the main shaft 3. The design of the steel ball groove 5 and the oil inlet groove 8 can ensure the smooth movement and lubrication of the main shaft 3, thereby ensuring the normal operation of the pantograph detection device.

[0029] In a possible embodiment, the precision steel balls 6 are evenly arranged in the steel ball groove 5, an oil inlet hole 7 is provided inside the oil inlet groove 8, a contraction groove 14 is provided at one end of the main shaft 3 away from the shock-absorbing spring 4, an adjusting rod 15 is installed inside the contraction groove 14, the adjusting rod 15 passes through the outer wall of the device body 2 and extends to the outside of the device body 2, and a plurality of heat dissipation holes 13 are opened on the top of the device body 2. In specific applications, precision steel balls 6 are evenly arranged in the steel ball groove 5 to ensure the smooth movement of the main shaft 3. An oil inlet hole 7 is provided in the oil inlet groove 8 to provide necessary lubricating grease to the inside of the steel ball groove 5 to reduce wear and friction. A contraction groove 14 is provided at the end of the main shaft 3 away from the shock-absorbing spring 4. An adjusting rod 15 is installed in the contraction groove 14. The adjusting rod 15 passes through the outer wall of the device body 2 and extends to the outside of the device body 2. The position of the main shaft 3 can be adjusted and fixed to ensure the stability and accuracy of the main shaft 3 during operation. In addition, a heat dissipation hole 13 is provided on the top of the device body 2 to dissipate the heat generated when the device is working, ensure that the temperature of the device is within an appropriate range, and prevent overheating from damaging the internal components of the device, thereby ensuring the normal operation of the pantograph detection device.

[0030] In a possible implementation, a buffer pad 17 is laid between the base 1 and the device body 2, a mounting head 16 is provided at one end of the adjustment rod 15 away from the device body 2, and a gap is provided between the main shaft 3 and the detection connecting rod 12. In specific applications, a buffer pad 17 is laid between the base 1 and the device body 2, mainly used to absorb vibration and impact force, protect the internal components of the device from the influence of the external environment, and ensure the stable operation of the device. A mounting head 16 is provided at one end of the adjustment rod 15 away from the device body 2. Through the flexible adjustment of the adjustment rod 15, the position and posture of the device can be accurately controlled to meet different work requirements and improve the accuracy and reliability of detection. A gap is provided between the main shaft 3 and the detection connecting rod 12. This design can reduce mechanical wear, reduce friction, and improve the operating efficiency of the device. At the same time, it can also avoid excessive heat generated by friction between connecting parts, ensuring long-term stable operation of the device.

[0031] In a possible implementation, the contraction groove 14 is slidably connected to the adjustment rod 15, and the structure of the collar 9 is annular. In specific applications, the contraction groove 14 is slidably connected to the adjustment rod 15. Through this design, the telescopic function of the adjustment rod 15 can be realized to adapt to pantographs of different lengths, ensuring that the connection between the device and the pantograph is stable and reliable. The structure of the collar 9 is annular, which mainly plays a fixing and supporting role, ensuring that the adjustment rod 15 remains stable during use, avoiding displacement or shaking due to external forces, and ensuring the accuracy and reliability of detection.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0033] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

[0034] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A pantograph detection device, characterized in that: The invention comprises a base (1) and a device body (2), wherein the top of the base (1) is provided with a device body (2), the inside of the device body (2) is provided with a main shaft (3), one side of the inner wall of the device body (2) is provided with a plurality of damping springs (4), the other end of the damping spring (4) is connected to the main shaft (3), the outside of the main shaft (3) is provided with a matching sleeve (9), the sleeve (9) is provided with a matching heat detection bead (10), the side of the heat detection bead (10) close to the main shaft (3) is provided with a detection connecting rod (12), the side of the heat detection bead (10) away from the main shaft (3) is provided with a sensitive sensor (11), both sides of the outer wall of the main shaft (3) are provided with steel ball grooves (5) and oil inlet grooves (8), the steel ball grooves (5) and the oil inlet grooves (8) are tightly fitted, and a plurality of precision steel balls (6) are provided inside the steel ball grooves (5).

2. A pantograph detection device according to claim 1, characterized in that: The precision steel balls (6) are evenly arranged in the steel ball groove (5), and an oil inlet hole (7) is provided inside the oil inlet groove (8).

3. A pantograph detection device according to claim 1, characterized in that: A contraction groove (14) is provided at one end of the main shaft (3) away from the shock absorbing spring (4), an adjustment rod (15) is installed inside the contraction groove (14), the adjustment rod (15) passes through the outer wall of the device body (2) and extends to the outside of the device body (2), and a plurality of heat dissipation holes (13) are opened on the top of the device body (2).

4. A pantograph detection device according to claim 1, characterized in that: A buffer pad (17) is provided between the base (1) and the device body (2).

5. A pantograph detection device according to claim 3, characterized in that: An end of the adjusting rod (15) away from the device body (2) is provided with a mounting head (16).

6. A pantograph detection device according to claim 1, characterized in that: A gap is provided between the main shaft (3) and the detection connecting rod (12).

7. A pantograph detection device according to claim 3, characterized in that: The shrinkage groove (14) is slidably connected to the adjustment rod (15).

8. A pantograph detection device according to claim 1, characterized in that: The structure shape of the sleeve ring (9) is ring-shaped.

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