A kind of bonding resistance measuring device of pantograph carbon slide plate

Abstract

The application discloses a kind of pantograph carbon slide plate bonding resistance measuring devices, and the center of base plate is symmetrically equipped with fixed frame, and fixed frame is equipped with moving groove in upper and lower, and moving groove is equipped with moving seat by drive screw, and fixed frame one side is symmetrically equipped with servo motor, and moving seat side is equipped with measuring mechanism, and the upper side of fixed frame is equipped with feeding fixing mechanism between base plate, and main control unit is equipped above feeding fixing mechanism;The application can be randomly changed with the up and down contact position of pantograph carbon slide plate by the fixed frame and multiple groups of drive screw cooperation multiple groups of measuring mechanism, so as to realize the bonding resistance measurement of different positions of pantograph carbon slide plate, to accurately position bonding resistance unqualified area, and the device can also be suitable for installing two groups of carbon slide plate and other different types of pantograph bonding resistance measurement, and the applicability is greatly improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pantograph detection, and particularly relates to a pantograph carbon slide plate bonding resistance measuring device. BACKGROUND

[0002] In the manufacturing process of the carbon slide plate of the pantograph, bonding resistivity detection needs to be performed to determine whether it can meet the national standard, and then determine whether it is qualified; the bonding resistivity of the carbon slide plate is of great importance to the use of the carbon slide plate and the operation of the locomotive, and once the resistivity is too high, the carbon slide plate will overheat and generate large wear, affecting the stability of the locomotive operation.

[0003] At present, the bonding resistance of the pantograph is mostly measured manually, and the measurement accuracy is poor, and some automatic carbon slide plate bonding resistance measuring equipment can only measure carbon slide plates of fixed length, and needs to cut the carbon slide plate, which will damage the carbon slide plate, and the practicability is poor, and there are two groups of carbon slide plates on some different pantographs, which need to be detected respectively, and a single device cannot complete the detection, and the bonding resistance of the carbon slide plate needs to be detected at different positions and different interval distances to determine the position of the bonding failure, and the existing measuring device cannot realize this measurement mode, therefore, the present application provides a pantograph carbon slide plate bonding resistance measuring device to solve the problems in the prior art. SUMMARY

[0004] In view of the above problems, the present application aims to provide a pantograph carbon slide plate bonding resistance measuring device, which can change the upper and lower contact positions with the pantograph carbon slide plate at will through the symmetrical fixed frame and multiple groups of driving screws cooperating with multiple groups of measuring mechanisms, so as to realize bonding resistance measurement of different positions of the pantograph carbon slide plate, accurately position the bonding resistance unqualified area, and the device can also be applied to bonding resistance measurement of different types of pantographs such as two groups of carbon slide plates, and clamping from both sides of the pantograph carbon slide plate can avoid dead angle of the detection head, and the applicability is greatly improved.

[0005] In order to achieve the purpose of the present application, the present application is realized by the following technical scheme: a pantograph carbon slide plate bonding resistance measuring device, comprising a base plate, an adjusting frame mechanism, a measuring mechanism, a feeding fixing mechanism and a main control unit, the adjusting frame mechanism comprises a fixed frame, a moving groove, a drive screw, a moving seat and a servo motor, the fixed frame is symmetrically arranged on the base plate, and the fixed frame is fixedly arranged through two groups of cylindrical frames below, the moving groove is arranged above and below in the fixed frame, and two groups of moving grooves are arranged above and below in a single fixed frame for the upward and downward movement adjustment of the measuring mechanism, the moving seat is arranged in the moving groove through the drive screw, which facilitates the movement adjustment of the measuring mechanism, the servo motor is symmetrically arranged on one side of the fixed frame, the measuring mechanism is arranged on the side of the moving seat, the feeding fixing mechanism is arranged between the upper side of the fixed frame and the base plate, and the main control unit is arranged above the feeding fixing mechanism.

[0006] Further improvement lies in that the servo motor output end is connected with the drive screw for transmission, the servo motor and the drive screw are correspondingly provided with two groups, and the servo motor is electrically connected with the main control unit, the moving groove is symmetrically provided with a guide sliding groove on the upper and lower sides, the moving seat is fixedly provided with a positioning sliding block on the upper and lower sides, and the positioning sliding block is slidably matched with the guide sliding groove.

[0007] Further improvement lies in that the measuring mechanism comprises an electric telescopic rod, a telescopic frame, an electric lifting rod, an insulating lifting plate, a mounting hole and a detection head mechanism, one side of the moving seat is symmetrically provided with the telescopic frame through the electric telescopic rod, the electric telescopic rod is embedded in the moving seat, the telescopic end is outwardly connected with the telescopic frame, the electric lifting rod is arranged on the telescopic frame, the lower end of the electric lifting rod is provided with the insulating lifting plate, the upper telescopic frame is in an inverted L-shaped structure, the lower telescopic frame is in an L-shaped structure, the electric lifting rod is arranged on the horizontal section, the upper and lower two groups of electric lifting rods are oppositely arranged at the telescopic ends and are fixedly connected with the insulating lifting plate, and a guide sliding rod is further arranged between the insulating lifting plate and the telescopic frame, and the detection head mechanism is arranged on the insulating lifting plate through the mounting hole.

[0008] Further improvement lies in that the detection head mechanism comprises a ceramic cylinder, a conductive metal cylinder, an elastic probe and an electric contact seat, the ceramic cylinder is arranged in the mounting hole and can be fixedly installed by screws or clamped and fixedly installed, the conductive metal cylinder is embedded below the ceramic cylinder, the elastic probe is embedded in the center part of the ceramic cylinder on the inner side of the conductive metal cylinder, the electric contact seat is symmetrically arranged above the ceramic cylinder, and two groups of the electric contact seats are embedded in the ceramic cylinder and are electrically connected with the conductive metal cylinder and the elastic probe respectively.

[0009] Further improvement lies in that the feeding fixing mechanism comprises multiple lifting rods, groove supporting plates, upper support plates, sliding grooves, bidirectional screws and clamping plates, the middle part of the base plate is symmetrically provided with groove supporting plates through the multiple lifting rods for positioning and placing the pantograph carbon slide plate and feeding, the upper sides of the two fixed frames are provided with upper support plates, the lower side of the upper support plate is symmetrically provided with sliding grooves, the bidirectional screw is rotatably arranged in the middle of the sliding groove, and the clamping plate is symmetrically and slidably arranged in the sliding groove.

[0010] Further improvement lies in that the main controller is arranged above the upper support plate, one end of the upper side of the upper support plate is further provided with a clamping motor, the output end of the clamping motor is in transmission with the pulley of one end of the bidirectional screw, and the lower side of the clamping plate is provided with anti-skid insulating rubber pads on the opposite sides.

[0011] Further improvement lies in that the two groups of fixed frames are symmetrically provided with fixed columns on the center of the side, the fixed columns are provided with visual cameras, and the visual cameras are electrically connected with the main controller.

[0012] Further improvement lies in that the visual camera is used for acquiring the side shape image of the clamped pantograph carbon slide plate, the main controller is internally provided with an identification processing module, a control adjustment module and a measurement judgment module, the identification processing module is used for processing and identifying the acquired image to obtain the size of the pantograph carbon slide plate, the control adjustment module is used for controlling and adjusting the measuring position of the frame mechanism and the measurement mechanism according to the acquired size, and the measurement judgment module is used for controlling the measurement mechanism to measure the resistance in the power-on mode and feeding back the resistance value data to judge whether it is qualified.

[0013] The beneficial effects of the present application are that the fixed frame and multiple groups of driving screws are symmetrically arranged and cooperated with multiple groups of measurement mechanisms, the up-and-down contact position with the pantograph carbon slide plate can be changed at will according to the measurement requirement, the bonding resistance measurement of different positions of the pantograph carbon slide plate is realized, the unqualified area of the bonding resistance is accurately positioned, the defect that the traditional device can only be used for fixed-point positioning detection is solved, the device can also be suitable for the bonding resistance measurement of different types of pantographs such as two groups of carbon slide plates, and the detection head moving dead angle can be avoided from the pantograph carbon slide plate clamping on both sides, and the applicability is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the front view of the present application.

[0015] Figure 2 It is the front view of the present application.

[0016] Figure 3 It is the side view of the present application.

[0017] Figure 4 It is a side view structural diagram of the application.

[0018] Figure 5 It is a ceramic cylinder sectional view structural diagram of the application.

[0019] Wherein: 1, base plate; 2, main controller; 3, fixed frame; 4, moving groove; 5, drive screw; 6, moving seat; 7, servo motor; 8, guide sliding groove; 9, positioning sliding block; 10, electric telescopic rod; 11, telescopic frame; 12, electric lifting rod; 13, insulating lifting plate; 14, mounting hole; 15, ceramic cylinder; 16, conductive metal cylinder; 17, elastic probe; 18, power seat; 19, multi-section lifting rod; 20, groove support plate; 21, upper support plate; 22, sliding groove; 23, bidirectional screw; 24, clamping plate; 25, clamping motor; 26, anti-skid insulating rubber pad; 27, fixed column; 28, visual camera. DETAILED DESCRIPTION

[0020] In order to deepen the understanding of the application, the application will be further described below in conjunction with the embodiments, which are only used to explain the application and do not constitute a limitation on the protection scope of the application.

[0021] The electrified highway transportation system mainly consists of electrified transportation equipment, power supply and receiving infrastructure, etc. The vehicle obtains electric energy from the catenary through the on-board pantograph, and the lifting of the pantograph is controllable. On the road without power grid erection, it can be lowered and driven by using the on-board power battery. The system adopts a 1500V bipolar overhead catenary voltage platform, which can achieve full coverage of heavy truck application scenarios, especially suitable for bulk transportation of large goods such as coal, ore and agricultural products, and is an optimal transportation mode for realizing local zero emission, which will usher in a good development opportunity.

[0022] The bonding resistivity of the carbon slide plate of the on-board pantograph is crucial to the use of the carbon slide plate and the operation of the locomotive. Once the resistivity is too high, the carbon slide plate will overheat and cause large wear, affecting the stability of the locomotive operation. Therefore, during its manufacturing process, bonding resistance detection is needed to determine whether it can meet the national standards.

[0023] At present, the bonding resistance of the pantograph is mostly measured manually, with poor measurement accuracy. Some automatic carbon slide plate bonding resistance measuring devices can only measure carbon slide plates of fixed length, which requires cutting the carbon slide plates, thus damaging the carbon slide plates. At the same time, the bonding resistance of the carbon slide plate needs to be detected at different positions and different interval distances to determine the position of the unqualified bonding. However, the existing measuring device cannot realize this measurement method, which leads to the need for manual testing, which is very troublesome.

[0024] Based on the above problems, the embodiment provides a pantograph carbon slide plate bonding resistance measuring device, according to Figures 1-5 As shown in the figure, the measuring device comprises a base plate 1, an adjusting frame mechanism, a measuring mechanism, a feeding fixing mechanism and a main control unit 2. The adjusting frame mechanism comprises a fixed frame 3, a moving groove 4, a drive screw 5, a moving seat 6 and a servo motor 7. The fixed frame 3 is centrally and symmetrically arranged on the base plate 1 and is fixedly arranged by two groups of cylindrical frames below. The moving groove 4 is arranged in the fixed frame 3 in an up-down manner. Two groups of moving grooves are arranged in a single fixed frame in an up-down manner and are respectively used for moving adjustment of the upper and lower measuring mechanisms. The moving seat 6 is arranged in the moving groove 4 through the drive screw 5, which facilitates the moving adjustment of the measuring mechanism. The servo motor 7 is symmetrically arranged on one side of the fixed frame 3. The measuring mechanism is arranged on the side of the moving seat 6. The feeding fixing mechanism is arranged between the upper side of the fixed frame 3 and the base plate 1. The main control unit 2 is arranged above the feeding fixing mechanism and is used for moving adjustment control and measurement control of the whole device.

[0025] The output end of the servo motor 7 is connected and driven with the drive screw 5. Two groups of servo motors and drive screws are correspondingly arranged. The servo motor 7 is electrically connected with the main control unit 2. The guiding sliding grooves 8 are symmetrically arranged on the upper and lower sides of the moving groove 4. The positioning sliding blocks 9 are fixedly arranged on the upper and lower sides of the moving seat 6. The positioning sliding blocks 9 are slidingly matched with the guiding sliding grooves 8 and are used for guiding movement of the moving seat.

[0026] The measuring mechanism comprises an electric telescopic rod 10, a telescopic frame 11, an electric lifting rod 12, an insulating lifting plate 13, a mounting hole 14 and a detection head mechanism. The telescopic frame 11 is symmetrically arranged on one side of the moving seat 6 through the electric telescopic rod 10. The electric telescopic rod is embedded in the moving seat. The telescopic end is outwardly connected with the telescopic frame. The electric lifting rod 12 is arranged on the telescopic frame 11. The insulating lifting plate 13 is arranged at the lower end of the electric lifting rod 12. The upper telescopic frame is in an inverted L-shaped structure. The lower telescopic frame is in an L-shaped structure. The electric lifting rod is arranged on the horizontal section. The telescopic ends of the two groups of electric lifting rods are oppositely arranged and are fixedly connected with the insulating lifting plate. A guiding sliding rod is further arranged between the insulating lifting plate and the telescopic frame. The detection head mechanism is arranged on the insulating lifting plate 13 through the mounting hole 14.

[0027] The detection head mechanism comprises a ceramic cylinder 15, a conductive metal cylinder 16, an elastic probe 17 and an electric contact seat 18, the ceramic cylinder 15 is arranged in the mounting hole 14 and can be fixedly installed by screws or clamped and fixedly installed, the conductive metal cylinder 16 is embedded below the ceramic cylinder 15, the elastic probe 17 is embedded in the center of the ceramic cylinder 15 on the inner side of the conductive metal cylinder 16, the electric contact seat 18 is symmetrically arranged above the ceramic cylinder 15, two groups of electric contact seats 18 are embedded in the ceramic cylinder 15 and are electrically connected with the conductive metal cylinder 16 and the elastic probe 17 respectively, and the external power supply circuit and the measurement circuit are connected with the electric contact columns on the upper side of the conductive metal cylinder and the electric contact columns on the upper side of the elastic probe respectively for power supply and measurement.

[0028] The feeding fixing mechanism comprises a plurality of lifting rods 19, a groove supporting plate 20, an upper support plate 21, a sliding groove 22, a bidirectional screw 23 and a clamping plate 24, the groove supporting plate 20 is arranged on the middle part of the base plate 1 symmetrically through the plurality of lifting rods 19 and is used for positioning and placing the pantograph carbon slide plate and feeding, the upper support plate 21 is arranged between the upper sides of the two side fixed frames 3, the sliding grooves 22 are symmetrically arranged on the lower side of the upper support plate 21, the bidirectional screw 23 is rotatably arranged in the middle of the sliding groove 22, the clamping plate 24 is symmetrically slidably arranged in the sliding groove 22, the clamping plate 24 is threadedly matched with the bidirectional screw 23, the bidirectional screw penetrates through the upper end of the clamping plate and is threadedly matched therewith, and the rotation of the bidirectional screw can drive the clamping plate to move oppositely and be clamped.

[0029] The main controller 2 is arranged above the upper support plate 21, and the upper support plate 21 is further provided with a clamping motor 25 at one end on the upper side, the output end of the clamping motor 25 is in transmission with a pulley at one end of the bidirectional screw 23, and the lower side of the clamping plate 24 is provided with anti-skid insulating rubber pads 26 on the opposite sides, which can play the effect of positioning, anti-skid and clamping.

[0030] The two groups of fixed columns 27 are symmetrically arranged on the center of the side surface of the fixed frame 3, the visual camera 28 is arranged on the fixed column 27, and the visual camera 28 is electrically connected with the main controller 2.

[0031] The visual camera 28 is used for acquiring the side shape image of the clamped pantograph carbon slide plate, the main controller 2 is internally provided with an identification processing module, a control adjustment module and a measurement judgment module, the identification processing module is used for processing and identifying the acquired image to obtain the size of the pantograph carbon slide plate, the control adjustment module is used for controlling and adjusting the frame mechanism and the measurement mechanism according to the acquired size to adjust the measurement position, and the measurement judgment module is used for controlling the measurement mechanism to measure the resistance by power supply and feeding back the resistance value data to judge whether it is qualified.

[0032] When the pantograph carbon slide plate bonding resistance measuring device is used, the pantograph carbon slide plate is placed on the groove supporting plate, then the pantograph carbon slide plate is driven by the plurality of lifting rods to move upward to the between the two clamping plates, and then the pantograph carbon slide plate is clamped and fixed by the clamping plates, and then the detection can be started.

[0033] The thickness and shape data of the carbon slide plate of the pantograph are acquired by the visual cameras on both sides at the detection time, and then the position and distance between the detection head mechanism are automatically adjusted by adjusting the adjusting frame mechanism and the electric lifting rod in the measuring mechanism, so that the touch measurement is realized; the upper and lower sides can be independently adjusted during the position adjustment, so as to realize the staggered measurement and the positioning measurement with a fixed distance;

[0034] After the measurement, the device judges whether the bonding resistance of the carbon slide plate of the pantograph is qualified according to the measurement result data, repeatedly measures the unqualified position, and adjusts the bonding process of the carbon slide plate of the pantograph for subsequent production, so as to provide accurate and reliable optimization process reference for the production of the carbon slide plate of the pantograph.

[0035] The basic principles, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A device for measuring the bonding resistance of a pantograph carbon sliding plate, characterized in that: The system includes a base plate (1), an adjustment frame mechanism, a measuring mechanism, a feeding and fixing mechanism, and a main controller (2). The adjustment frame mechanism includes a fixed frame (3), a moving slot (4), a drive screw (5), a moving seat (6), and a servo motor (7). The fixed frame (3) is symmetrically arranged on the center of the base plate (1). The fixed frame (3) has moving slots (4) arranged vertically in the fixed frame (3). The moving seat (6) is provided in the moving slot (4) through the drive screw (5). The servo motor (7) is symmetrically arranged on one side of the fixed frame (3). The measuring mechanism is provided on the side of the moving seat (6). The measuring mechanism includes an electric telescopic rod (10), a telescopic frame (11), an electric lifting rod (12), an insulating lifting plate (13), a mounting hole (14), and a detection head mechanism. The telescopic frame (11) is symmetrically arranged on one side of the moving seat (6) through the electric telescopic rod (10). The electric lifting rod (12) is provided on the telescopic frame (11). An insulating lifting plate (13) is provided at the lower end of the lifting rod (12). A detection head mechanism is provided on the insulating lifting plate (13) through the mounting hole (14). A feeding fixing mechanism is provided between the upper side of the fixed frame (3) and the base plate (1). A main controller (2) is provided above the feeding fixing mechanism. The feeding fixing mechanism includes multiple lifting rods (19), a grooved support plate (20), an upper support plate (21), a sliding groove (22), a bidirectional screw (23), and a clamping plate (24). The grooved support plate (20) is symmetrically provided in the upper middle part of the base plate (1) through multiple lifting rods (19). An upper support plate (21) is provided between the upper sides of the fixed frame (3) on both sides. A sliding groove (22) is symmetrically provided on the lower side of the upper support plate (21). A bidirectional screw (23) is provided in the sliding groove (22). A clamping plate (24) is symmetrically provided in the sliding groove (22). The clamping plate (24) is threadedly matched with the bidirectional screw (23).

2. The pantograph carbon sliding plate bonding resistance measuring device according to claim 1, characterized in that: The output end of the servo motor (7) is connected to the drive screw (5) for transmission, and the servo motor (7) is electrically connected to the main controller (2). The moving slot (4) is symmetrically provided with guide slides (8) on the upper and lower sides. The moving seat (6) is provided with positioning sliders (9) on the upper and lower sides. The positioning sliders (9) are slidably adapted to the guide slides (8).

3. The pantograph carbon sliding plate bonding resistance measuring device according to claim 1, characterized in that: The detection head mechanism includes a ceramic cylinder (15), a conductive metal cylinder (16), an elastic probe (17), and a power connector (18). The ceramic cylinder (15) is provided in the mounting hole (14). The conductive metal cylinder (16) is embedded below the ceramic cylinder (15). The elastic probe (17) is embedded in the center of the ceramic cylinder (15) inside the conductive metal cylinder (16). The power connectors (18) are symmetrically arranged above the ceramic cylinder (15). The two sets of power connectors (18) are embedded in the ceramic cylinder (15) and electrically connected to the conductive metal cylinder (16) and the elastic probe (17), respectively.

4. The pantograph carbon sliding plate bonding resistance measuring device according to claim 1, characterized in that: The main controller (2) is located above the upper support plate (21). The upper support plate (21) is also provided with a clamping motor (25) at one end. The output end of the clamping motor (25) is driven by a pulley at one end of the bidirectional screw (23). The clamping plate (24) is provided with an anti-slip insulating pad (26) on the opposite side of its lower side.

5. The pantograph carbon sliding plate bonding resistance measuring device according to claim 1, characterized in that: Two sets of fixed frames (3) are symmetrically provided with fixed columns (27) on their sides. The fixed columns (27) are provided with visual cameras (28), and the visual cameras (28) are electrically connected to the main controller (2).

6. The pantograph carbon sliding plate bonding resistance measuring device according to claim 5, characterized in that: The vision camera (28) is used to acquire the side shape image of the pantograph carbon slide plate after clamping. The main controller (2) has a built-in recognition processing module, control adjustment module and measurement judgment module. The recognition processing module is used to process the acquired image to identify the size of the pantograph carbon slide plate. The control adjustment module is used to control the adjustment frame mechanism and the measuring mechanism to adjust the measurement position according to the acquired size. The measurement judgment module is used to control the measuring mechanism to measure the resistance and feed back the resistance value data to determine whether it is qualified.

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