CN219776628U - Pantograph wear detection device - Google Patents

Abstract

The utility model provides a pantograph detection device, comprising: the frame comprises two working parts, wherein each working part is used for accommodating a pantograph to be tested; the first sliding rail is arranged on the first working part; the second sliding rail is arranged on the second working part and is parallel to the first sliding rail; the sliding rail switching mechanism is arranged on the frame and is in sliding connection with the first sliding rail and the second sliding rail; the controller is arranged on the sliding rail switching mechanism and is used for switching between the first working part and the second working part; the high-speed camera is obliquely arranged below the controller and is used for acquiring a position image to be detected; the laser generator is arranged below the controller and used for scanning the lowest abrasion position of the carbon slide bar of the pantograph. The utility model realizes double-bow detection, improves measurement accuracy and working efficiency, and reduces labor cost.

Description

Pantograph wear detection device

Technical Field

The present utility model relates to the field of pantographs, and more particularly, to a pantograph wear detection device.

Background

The pantograph is an electrical device that an electric traction locomotive obtains electric energy from a catenary, and is mounted on the top of a locomotive or a motor car. The pantograph can be divided into a single-arm pantograph and a double-arm pantograph, and comprises a sliding plate, an upper frame, a lower arm rod (a lower frame for the double-arm pantograph), a bottom frame, a pantograph lifting spring, a transmission cylinder, a supporting insulator and the like. The smoothness of the load current passing through the contact line and the contact surface of the pantograph slide plate is related to the contact pressure, transition resistance and contact area between the slide plate and the contact line, and depends on the interaction between the pantograph and the contact line.

The pantograph is an important core component of the metro vehicle, the abrasion of the carbon slide bar of the pantograph is directly related to the normal and stable operation of the vehicle, and the carbon slide bar of the pantograph needs to be replaced when being abraded to a certain extent, otherwise, huge danger hidden danger is brought to the safety of the track operation, and therefore, the abrasion loss of the carbon slide bar of the pantograph needs to be detected when the related vehicle is overhauled.

At present, the domestic detection of the pantograph still mainly depends on a manual detection mode and can only realize single-pantograph detection, and related maintainers measure the abrasion of a sliding plate by using a vernier caliper. The manual detection method is low in efficiency, long in time consumption, high in labor cost and less in detected data, and largely depends on experience of overhauling personnel on abnormal condition judgment.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a pantograph abrasion detection device, which solves the problems of low efficiency, long time consumption, high labor cost and less detected data of single-pantograph detection.

The pantograph wear detection device includes: the frame comprises two working parts, wherein each working part is used for accommodating one pantograph to be tested; the first sliding rail is arranged on the first working part; the second sliding rail is arranged on the second working part and is parallel to the first sliding rail; the sliding rail switching mechanism is arranged on the frame and is in sliding connection with the first sliding rail and the second sliding rail; the controller is arranged on the sliding rail switching mechanism and is used for switching between the first working part and the second working part; the high-speed camera is obliquely arranged below the controller and is used for acquiring a position image to be detected; the laser generator is arranged below the controller and used for scanning the lowest abrasion position of the carbon slide bar of the pantograph.

Further, the slide rail switching mechanism includes: the sliding plate is arranged at the top end of the frame and is in sliding connection with the first sliding rail and the second sliding rail; the two ends of the third sliding rail are respectively arranged above the first working part and the second working part and are fixedly connected with the sliding plate; and the lifting device is in sliding connection with the third sliding rail and drives the controller, the high-speed camera and the laser generator to perform lifting movement.

Further, the lifting device includes: the fixed panel is vertically arranged with the sliding plate, and the lower end of the fixed panel is connected with the third sliding rail in a sliding way; the screw rod comprises a first screw rod and a second screw rod, and the first screw rod and the second screw rod are arranged on the fixed panel in parallel; the fixed seats are arranged at two ends of the first screw rod and the second screw rod; the worm wheel is assembled with the screw rod in a matched manner and is used for driving the screw rod to axially move; and the lifting platform is fixedly connected with the screw rod and moves along with the screw rod to drive the controller to rise and fall.

Further, the sliding plate is provided with a clamping device corresponding to the first working part and the second working part, and each clamping device is rotatably connected with the sliding plate and used for clamping and fixing the controller.

Further, the clamping device comprises: a first toggle lever, a second toggle lever, and a knob; one end of the first toggle rod is hinged with one end of the second toggle rod, and the other end of the first toggle rod is hinged with the knob; the knob is rotatably connected with the sliding plate, so that the second toggle rod can be clamped and loosened.

Further, grooves are formed in two sides of the controller, corresponding to clamping positions of the second toggle rod, so that the second toggle rod limits the controller during clamping.

Further, the pantograph wear detection device further comprises a wire slot, wherein the wire slot is arranged on the frame and is positioned between the first working part and the second working part, so that the outgoing power line of the controller extends into the wire slot.

Further, a scale is arranged on the frame corresponding to each working part, and the scale is arranged along the length direction of the first sliding rail or the second sliding rail.

Further, the below of frame sets up anchor clamps, includes: a first pair of clamps and a second pair of clamps; the first clamp pair is positioned at two ends of the first sliding rail and used for fixing a carbon sliding bar on the pantograph to be tested on the first working part; the second clamp pair is positioned at two ends of the second sliding rail and used for enabling the carbon sliding bar on the pantograph to be tested to be fixed on the second working part.

Further, an included angle between the extended line of the high-speed camera and the extended line of the laser generator is 20-45 degrees.

According to the utility model, the controller is switched from the first working part to the second working part through the sliding rail switching device, so that double-bow detection is realized, the labor cost is reduced, and more data can be detected; the lowest abrasion and the lowest abrasion position of the carbon slide bar of the pantograph can be detected by adopting a laser detection technology.

Drawings

The above and other features, advantages and aspects of embodiments of the present utility model will become more apparent by reference to the following detailed description when taken in conjunction with the accompanying drawings. In the drawings, wherein like or similar reference numerals denote like or similar elements, in which:

fig. 1 shows a top view of a pantograph detection device provided by an embodiment of the present utility model;

FIG. 2 shows a partial cross-sectional view of FIG. 1;

FIG. 3 shows a partial enlarged view of FIG. 1;

FIG. 4 illustrates a side view of a pantograph detection device according to an embodiment of the present utility model;

fig. 5 shows a partial cross-sectional view of fig. 3.

Wherein, the correspondence between the reference numerals and the component names in fig. 1 to 5 is:

1 is a frame, 2 is a first slide rail, 3 is a second slide rail, 4 is a third slide rail, 5 is a controller, 6 is a slide plate, 7 is a power line, 8 is a graduated scale, 9 is a wire slot, 10 is a knob, 11 is a first toggle rod, 12 is a second toggle rod, 13 is a high-speed camera, 14 is a laser generator, 15 is a fixed panel, 16 is a lifting platform, 17 is a worm wheel, 18 is a screw rod, 19 is a tripod, 20 is a clamp, and 21 is a fixed seat.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In addition, the term "and/or" herein is merely an association relationship describing an association object, and means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

A pantograph wear detection device provided by an embodiment of the present utility model is described below with reference to fig. 1 to 5.

As shown in fig. 1-2, a pantograph wear detection device provided according to an embodiment of the present utility model includes a frame 1, a first slide rail 2, a second slide rail 3, a controller 5, a high-speed camera 13, and a laser generator 14.

Specifically, the frame 1 includes two working parts, the first working part and the second working part are arranged in parallel on two sides of the frame 1, and each working part is used for accommodating a pantograph to be tested; the first slide rail 2 is arranged at the first working part; the second sliding rail 3 is arranged on the second working part and is parallel to the first sliding rail 2; the sliding rail switching mechanism is arranged on the frame 1 and is in sliding connection with the first sliding rail 2 and the second sliding rail 3; the controller 5 is arranged on the sliding rail switching mechanism and is used for switching between the first working part and the second working part; high-speed camera 13, model is the sea health industry camera: MV-CH120-20GC, which is obliquely arranged below the controller 5 and used for acquiring a position image to be detected; the laser generator 14 is arranged below the controller 5 and is used for scanning the lowest abrasion position of the carbon slide bar of the pantograph.

As an embodiment of the present utility model, as shown in fig. 1-2, the slide rail switching mechanism includes: slide 6, third slide rail 4, elevating gear.

In the embodiment, a sliding plate 6 is arranged at the top end of the frame 1 and is in sliding connection with the first sliding rail 2 and the second sliding rail 3; the two ends of the third sliding rail 4 are respectively arranged above the first working part and the second working part and are fixedly connected with the sliding plate 6; the lifting device is in sliding connection with the third sliding rail 4 and drives the controller 5, the high-speed camera 13 and the laser generator 14 to perform lifting movement.

Specifically, as shown in fig. 4 to 5, the elevating device includes: a fixed panel 15, which is arranged vertically to the slide plate 6, and the lower end of which is connected with the third slide rail 4 in a sliding manner; the screw rod 18, the screw rod 18 comprises a first screw rod and a second screw rod, and the first screw rod and the second screw rod are arranged on the fixed panel 15 in parallel; the fixing seats 21 are arranged at two ends of the first screw rod and the second screw rod and are used for fixing the first screw rod and the second screw rod; a worm wheel 17 which is assembled in a matched manner with the screw rod 18, and the screw rod 18 axially moves by rotating the worm wheel 17; the lifting platform 16 is fixedly connected with the screw rod 18 and moves along with the screw rod 18 to drive the controller 5 to ascend and descend; tripod 19, fixed connection on fixed panel 15 has improved elevating gear's stability.

In the embodiment, the sliding rail switching mechanism realizes double-bow detection, reduces labor cost and improves working efficiency.

As an embodiment of the present utility model, as shown in fig. 1, the sliding plate 6 is provided with a clamping device corresponding to the first working portion and the second working portion, and each clamping device is rotatably connected to the sliding plate 6 and is used for clamping and fixing the controller 5.

In the embodiment, the clamping device realizes the limit of the controller, so that the detection data is more accurate.

As an embodiment of the present utility model, as shown in fig. 3, the clamping device includes: a first toggle lever 11, a second toggle lever 12, and a knob 10; one end of the first toggle rod 11 is hinged with one end of the second toggle rod 12, and the other end of the first toggle rod 11 is hinged with the knob 10; the knob 10 is rotatably connected with the slide plate 6. The knob 10 is rotated anticlockwise to drive the first toggle rod 11 to rotate, and the first toggle rod 11 drives the second toggle rod 12 to rotate inwards to clamp the controller 5; the knob 10 is rotated clockwise to drive the first toggle rod 11 to rotate, and the first toggle rod 11 drives the second toggle rod 12 to open outwards, so that the controller 5 is loosened.

In the embodiment, the double-toggle-rod clamping mechanism is convenient to operate and rapid in clamping action, so that the production efficiency is improved; the structure is simple, and the manufacturing is easy, so that the production cost is reduced; the operation is safe and the labor intensity is low.

As an embodiment of the present utility model, grooves are disposed on two sides of the controller 5 corresponding to the clamping positions of the second toggle links 12, so that the second toggle links 12 limit the controller 5 during clamping.

As an embodiment of the present utility model, the pantograph wear detection device further includes a wire slot 9 disposed on the frame 1 and located between the first working portion and the second working portion, so that the outgoing power wire 7 of the controller 5 extends into the wire slot 9.

Specifically, in the detection process, the wire slot 9 moves along with the sliding plate 6, so that the standard arrangement of the power wire 7 is realized.

As an embodiment of the present utility model, a scale 8 is disposed on the frame 1 corresponding to each working portion, and the scale 8 is disposed along the length direction of the first sliding rail 2 or the second sliding rail 3, for measuring the abrasion position of the pantograph by the laser generator 14.

In this embodiment, the high-speed camera 13 irradiates the scale 8 and the pantograph to be measured, thereby collecting the real-time wear value and the lowest wear difference between the front and rear of the pantograph.

As an embodiment of the present utility model, as shown in fig. 4, a first pair of jigs and a second pair of jigs are provided below the frame 1.

Specifically, the first clamp pairs are positioned at two ends of the first slide rail 2 and are used for fixing a carbon slide bar on the pantograph to be tested on the first working part; the second clamp pair is positioned at two ends of the second sliding rail 3 and is used for fixing the carbon sliding bar on the pantograph to be tested on the second working part.

In the above embodiment, the jig 20 determines the relative position of the detection, improving the detection accuracy.

As an embodiment of the utility model, as shown in fig. 2, the included angle between the extended line of the high-speed camera 13 and the extended line of the laser generator 14 is 20-45 degrees, and the lowest abrasion position of the carbon slide bar of the pantograph is measured by using a laser triangulation method.

Specifically, the laser generator 14 and the high-speed camera 13 point to the same position of the pantograph to be detected, and the angle offset between the laser source and the high-speed camera 13 is known, so that the difference before and after the lowest abrasion is obtained by using triangulation, and the detection speed, precision and quality are improved.

The utility model provides a pantograph abrasion detection device, which has the working principle that:

the pantograph to be detected is arranged at the first working part and the second working part below the frame 1, and the clamp 20 fixes the carbon slide bar on the pantograph to be detected, so that the relative position of detection is determined, and the detection precision is improved; the knob 10 is rotated anticlockwise, the knob 10 drives the first toggle rod 11 to rotate, the first toggle rod 11 drives the second toggle rod 12 to rotate, and the second toggle rod 12 is attached to the groove, so that the controller 5 is clamped; the controller 5 controls the sliding plate 6 to move to the pantograph side, the laser generator 14 is matched with the high-speed camera 13 to capture an image of the position to be detected, and the lowest abrasion difference is obtained by scanning the graduated scale 8. After the single bow detection is finished, the knob 10 is rotated clockwise, the knob 10 drives the first toggle rod 11 to rotate, and the first toggle rod drives the second toggle rod 12 to rotate, so that the second toggle rod 12 is withdrawn from the groove, and the controller 5 is loosened; the worm wheel 17 rotates to drive the screw rod 18 to axially move, so that the lifting platform 16 moves upwards along with the screw rod 18 to drive the controller 5 to rise; the third sliding rail 4 is started, so that the lifting device and the controller 5 are synchronously switched to another working part, after the switching is completed, the lifting platform 16 and the controller 5 are synchronously lowered onto the sliding plate 6, then the lifting platform and the controller are clamped and limited, the sliding plate 6 is controlled to move, and another pantograph to be detected is detected, so that double-pantograph abrasion detection is realized, the measurement precision and the working efficiency are improved, and the labor cost is reduced.

In the description of the present specification, the terms "connected," "mounted," "secured," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present specification, the terms "one embodiment," "some embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A pantograph wear detection device, comprising: the device comprises a frame (1), wherein the frame (1) comprises two working parts, and each working part is used for accommodating a pantograph to be tested;

the first sliding rail (2) is arranged on the first working part;

the second sliding rail (3) is arranged on the second working part and is parallel to the first sliding rail (2);

the sliding rail switching mechanism is arranged on the frame (1) and is in sliding connection with the first sliding rail (2) and the second sliding rail (3);

a controller (5) which is provided on the slide rail switching mechanism and switches between the first working portion and the second working portion;

the high-speed camera (13) is obliquely arranged below the controller (5) and is used for acquiring a position image to be detected;

and the laser generator (14) is arranged below the controller (5) and is used for scanning the lowest abrasion position of the carbon slide bar of the pantograph.

2. The pantograph wear detection device according to claim 1, wherein the slide rail switching mechanism includes:

the sliding plate (6) is arranged at the top end of the frame (1) and is in sliding connection with the first sliding rail (2) and the second sliding rail (3);

the two ends of the third sliding rail (4) are respectively arranged above the first working part and the second working part and are fixedly connected with the sliding plate (6);

and the lifting device is in sliding connection with the third sliding rail (4) and drives the controller (5), the high-speed camera (13) and the laser generator (14) to perform lifting movement.

3. The pantograph wear detection device according to claim 2, wherein the lifting device includes:

a fixed panel (15) which is vertically arranged with the sliding plate (6) and the lower end of which is in sliding connection with the third sliding rail (4);

the screw rod (18), the screw rod (18) comprises a first screw rod and a second screw rod, and the first screw rod and the second screw rod are arranged on the fixed panel (15) in parallel;

the fixed seats (21) are arranged at two ends of the first screw rod and the second screw rod;

the worm wheel (17) is assembled with the screw rod (18) in a matched manner and is used for driving the screw rod (18) to axially move;

the lifting platform (16) is fixedly connected with the screw rod (18), and moves along with the screw rod (18) to drive the controller (5) to ascend and descend.

4. The pantograph wear detection device according to claim 2, wherein the positions of the sliding plate (6) corresponding to the first working part and the second working part are respectively provided with a clamping device, and each clamping device is rotatably connected with the sliding plate (6) and is used for clamping and fixing the controller (5).

5. The pantograph wear detection device of claim 4, wherein the clamping device comprises: a first toggle lever (11), a second toggle lever (12) and a knob (10); one end of the first toggle rod (11) is hinged with one end of the second toggle rod (12), and the other end of the first toggle rod (11) is hinged with the knob (10); the knob (10) is rotatably connected with the sliding plate (6) so as to clamp and loosen the second toggle rod (12).

6. The pantograph wear detection device according to claim 5, wherein grooves are provided on both sides of the controller (5) corresponding to the clamping positions of the second toggle links (12), so that the second toggle links (12) limit the controller (5) when clamped.

7. The pantograph wear detection device according to claim 1, further comprising a wire slot (9) provided on the frame (1) between the first and second working parts such that an outgoing power wire (7) of the controller (5) extends into the wire slot (9).

8. The pantograph wear detection device according to claim 1, wherein a scale (8) is provided on the frame (1) corresponding to each working section, the scale (8) being provided along the length direction of the first slide rail (2) or the second slide rail (3).

9. The pantograph wear detection device according to claim 1, wherein a clamp (20) is provided below the frame (1), comprising: a first pair of clamps and a second pair of clamps;

the first clamp pair is positioned at two ends of the first sliding rail (2) and is used for fixing a carbon sliding bar on the pantograph to be tested on the first working part;

the second clamp pair is positioned at two ends of the second sliding rail (3) and used for fixing the carbon sliding strip on the pantograph to be tested on the second working part.

10. The pantograph wear detection device according to claim 1, wherein an angle between an extension of the high-speed camera (13) and an extension of the laser generator (14) is 20 ° to 45 °.