CN219667980U

CN219667980U - Pantograph

Info

Publication number: CN219667980U
Application number: CN202320701069.1U
Authority: CN
Inventors: 舒逢楠; 谭宇辰; 潘杰
Original assignee: Zhejiang Jiecang Linear Motion Technology Co Ltd
Current assignee: Zhejiang Jiecang Linear Motion Technology Co Ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-09-12
Anticipated expiration: 2033-03-28

Abstract

The utility model discloses a pantograph, which belongs to the field of electric locomotive equipment and ensures the power quality and the current stability of the pantograph.

Description

Pantograph

[ field of technology ]

The utility model relates to the field of electric locomotive equipment, in particular to a pantograph.

[ background Art ]

The pantograph is installed on urban rail subway vehicles and low-speed vehicles and is an electrical device for collecting current from a contact network for vehicles. The vehicle has relative slip between pantograph and the contact net in the travel, and after long-time use, the slide plate that contacts with the contact net on the pantograph can produce obvious wearing and tearing, and lead to the contact pressure reduction between the contact net, can finally influence the power quality of pantograph, stability.

[ utility model ]

The utility model aims to solve the technical problems of overcoming the defects of the prior art and providing the pantograph, which ensures the power receiving quality and the current stability of the pantograph.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a pantograph, includes the slide and the drive that get the electricity from the contact net the electric putter that the slide goes up and down, electric putter is including connecting the push rod subassembly of slide and drive the push rod subassembly action is in order to drive the motor assembly that the slide goes up and down, the slide is connected two electric putter, two electric putter's push rod subassembly with the slide is articulated, and one of them electric putter's push rod subassembly with slide sliding fit makes when two push rod subassemblies are flexible different distances the slope of slide relative the contact net and adjustment the slide with the position of contact net contact.

On the basis of the scheme, the push rod assembly comprises an outer tube, an inner tube which can stretch out and draw back relative to the outer tube and a connecting piece which is rotationally connected with the end part of the inner tube, wherein one connecting piece of the electric push rod is in sliding fit with the sliding plate, and the other connecting piece of the electric push rod is in rotating fit with the sliding plate.

On the basis of the scheme, the connecting piece comprises a rod body and a spherical piece which is arranged at the end part of the rod body and is in running fit with the sliding plate, a sliding groove is formed in the bottom of the sliding plate corresponding to one of the connecting pieces, and the spherical piece is in sliding fit with the sliding groove.

On the basis of the scheme, the diameter of the spherical part is larger than the radial dimension of the rod body, the section of the chute is arc-shaped, the lower end of the chute is opened, and the dimension of the opened position is smaller than the diameter of the spherical part.

On the basis of the scheme, the push rod assemblies of the two electric push rods do telescopic motion in the vertical direction so as to drive the sliding plate to do lifting motion.

On the basis of the scheme, the pantograph further comprises a bottom plate, the two electric push rods are hinged to the bottom plate, the push rod assembly comprises a telescopic sleeve assembly, a first connecting rod and a second connecting rod, one end of the first connecting rod is hinged to the bottom plate, the other end of the first connecting rod is hinged to the second connecting rod, one end of the second connecting rod is hinged to the sleeve assembly, and the other end of the second connecting rod is hinged to the sliding plate.

On the basis of the scheme, the sleeve assembly comprises an outer pipe and an inner pipe which can stretch and retract relative to the outer pipe, and the inner pipe is hinged with the second connecting rod.

On the basis of the scheme, the pantograph further comprises a bottom plate, two electric push rods are hinged to the bottom plate, the push rod assembly comprises a telescopic sleeve assembly, a sliding block and a push rod, a guide plate is arranged on the bottom plate, the sliding block is in sliding fit with the guide plate, the sleeve assembly is hinged to the sliding block, and the push rod is installed on the sliding block and connected with the sliding plate.

On the basis of the scheme, the sleeve assembly comprises an outer tube and an inner tube which can stretch and retract relative to the outer tube, and the inner tube is hinged with the sliding block.

The utility model has the beneficial effects that:

the pantograph comprises a sliding plate and an electric push rod, wherein the electric push rod drives the push rod assembly to act through the motor assembly to control the sliding plate to do lifting movement, and the sliding plate can be contacted with a contact net to obtain current after ascending. The pantograph is provided with the two electric push rods, the two electric push rods can simultaneously act to control the lifting of the sliding plate, and the motor assemblies of the two electric push rods can drive the push rod assemblies to stretch and retract for different distances, so that the positions of the two connecting push rod assemblies on the sliding plate are controlled to have different height positions, the sliding plate is inclined relative to the contact network, the sliding plate can slide relative to one push rod assembly in the inclination process, the contact position of the sliding plate with the contact network after the sliding plate rises can be adjusted, and the phenomenon that the contact pressure between the sliding plate and the contact network is insufficient to influence the power quality and the current stability due to abrasion of the same position on the sliding plate with the contact network for a long time can be avoided. Only the angle between the sliding plate and the other push rod assembly is changed, so that the contact position of the sliding plate with the contact net can be changed, and if the sliding plate is in sliding fit with the two push rod assemblies, the sliding plate can slide relative to the two push rod assemblies at the same time when the sliding plate is inclined, and the contact position of the sliding plate with the contact net is unchanged.

In addition, because two electric push rods are arranged, the two sides of the sliding plate are supported and stressed, the balance and stability of pressure are more facilitated, the contact pressure between the sliding plate and the contact net is more stable, the position of the sliding plate is not easy to change in the running process of a vehicle, the sliding plate can keep a stable contact state with the contact net, the current is stable, and meanwhile, the power receiving quality of a pantograph is also ensured. The telescopic distance of the push rod component of the electric push rod is easy to control, the control is more flexible, the response speed is faster, the lifting distance of the sliding plate can be accurately controlled, and the stable contact pressure between the sliding plate and the contact net can be kept.

These features and advantages of the present utility model will be disclosed in detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The utility model is further described with reference to the accompanying drawings:

fig. 1 is a schematic structural view of a pantograph according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram illustrating the cooperation of a slider and a connector according to an embodiment of the present utility model;

FIG. 3 is a schematic view of another pantograph according to an embodiment of the present utility model;

FIG. 4 is a schematic view of another pantograph according to an embodiment of the present utility model;

FIG. 5 is a schematic view of another pantograph according to an embodiment of the present utility model;

fig. 6 is a relative positional relationship of the contact line and the sliding plate when the angle of the sliding plate relative to the contact line is 0 ° in the embodiment of the present utility model;

fig. 7 shows a relative positional relationship between a contact line and a slide plate when the angle of the contact line is 30 ° in the embodiment of the present utility model.

Reference numerals:

a slide plate 100 and a slide groove 110;

push rod assembly 200, motor assembly 210, connecting member 220, rod 221, ball 222, outer tube 230, inner tube 240, slider 250, push rod 251, first link 260, second link 261, and drive rod 270;

a bottom plate 300 and a guide plate 310.

[ detailed description ] of the utility model

The technical solutions of the embodiments of the present utility model will be explained and illustrated below with reference to the drawings of the embodiments of the present utility model, but the following embodiments are only preferred embodiments of the present utility model, and not all embodiments. Based on the examples in the implementation manner, other examples obtained by a person skilled in the art without making creative efforts fall within the protection scope of the present utility model.

The appearances of the phrases such as "exemplary," "some embodiments," and the like in the following text are meant to be "serving as examples, embodiments, or illustrative," and any embodiment described as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, it will be appreciated by those skilled in the art that the present disclosure may be practiced without some of these specific details.

Referring to fig. 1 and 2, an embodiment of the utility model discloses a pantograph, which comprises a sliding plate 100 for taking electricity from a contact net and an electric push rod for driving the sliding plate 100 to lift, wherein the electric push rod comprises a push rod assembly 200 connected with the sliding plate 100 and a motor assembly 210 for driving the push rod assembly 200 to act so as to drive the sliding plate 100 to lift, the sliding plate 100 is hinged with end positions of the two electric push rods, and the motor assemblies 210 of the two electric push rods respectively drive the push rod assemblies 200 to stretch and retract for different distances so as to enable the sliding plate 100 to incline relative to the contact net to adjust the contact part of the sliding plate 100 and the contact net.

The electric push rod drives the push rod assembly 200 to act through the motor assembly 210 to control the sliding plate 100 to do lifting motion, and the sliding plate 100 can be contacted with the contact net to obtain current after ascending. The pantograph of the present utility model has two electric push rods, which can simultaneously operate to control the lifting of the sliding plate 100, and the motor assemblies 210 of the two electric push rods can drive the push rod assemblies 200 to stretch and retract for different distances, so that the two positions of the sliding plate 100 connected with the push rod assemblies 200 are controlled to have different height positions, and the sliding plate 100 is inclined relative to the contact net.

The sliding plate 100 is in sliding fit with the push rod assembly 200 of one of the electric push rods, and the relative position between the push rod assembly 200 of the other electric push rod and the sliding plate 100 in the length direction of the sliding plate 100 is unchanged, so that the sliding plate 100 slides relative to one electric push rod 200 after being inclined, the contact position with the contact net is changed, and the situation that the contact pressure between the sliding plate 100 and the contact net is insufficient to influence the power quality and the current stability due to abrasion of the same part on the sliding plate 100 due to long-time friction with the contact net can be avoided.

In addition, because two electric push rods are arranged, the two sides of the sliding plate 100 are supported and stressed, the balance and stability of pressure are facilitated, the contact pressure between the sliding plate 100 and a contact net is more stable, the position of the sliding plate 100 is not easy to change in the running process of a vehicle, the sliding plate can keep a stable contact state with the contact net, the current is stable, and meanwhile, the power receiving quality of a pantograph is also ensured. The telescopic distance of the push rod assembly 200 of the electric push rod is easy to control, the control is more flexible, the response speed is faster, the lifting distance of the sliding plate 100 can be accurately controlled, and the stable contact pressure between the sliding plate 100 and the contact net can be maintained.

As shown in fig. 6 and 7, the hollow circle is a contact line, the solid circle in fig. 6 is a contact portion of the slide plate 100 with the contact line, and the solid circle in fig. 7 is a contact portion of the slide plate 100 with the contact line when the inclination angle of the slide plate 100 with respect to the contact line is 0 °. For example, as shown in fig. 6, when the telescopic distance of the two push rod assemblies 200 is the same, the part marked with the solid circle on the sliding plate 100 is in contact with the contact net to obtain electricity, and at this time, the part of the solid circle is the same as the distance between the two push rod assemblies 200. As the sliding plate 100 is inclined, the sliding plate 100 can slide relative to the push rod assembly 200 of one of the electric push rods, the part marked with a solid circle on the sliding plate 100 is closer to the other push rod assembly 200, and when the inclination angle of the sliding plate 100 reaches 30 °, the relative position relationship between the sliding plate 100 and the contact net can be seen with reference to fig. 7, and the contact part of the sliding plate 100 and the contact net in fig. 7 is deviated from the solid circle, so that the contact part of the sliding plate 100 and the contact net can be seen to be changed after the sliding plate 100 is inclined.

Push rod assembly 200 includes a sleeve assembly including an outer tube 230 and an inner tube 240 telescoping with respect to outer tube 230, outer tube 230 being sleeved outside of inner tube 240, wherein one of the electrical push rod connectors 220 is in sliding engagement with slide plate 100 and the other electrical push rod connector 220 is in rotational engagement with slide plate 100.

The connecting piece 220 comprises a rod 221 and a spherical piece 222 arranged at the end of the rod 221 and in running fit with the sliding plate 100, the bottom of the sliding plate 100 is provided with a sliding groove 110 corresponding to one of the connecting pieces 220, the spherical piece 222 is in sliding fit with the sliding groove 110, and the spherical piece 222 can rotate and slide relative to the sliding groove 110 so as to cope with the position change of the sliding plate 100. The diameter of the ball member 222 is larger than the radial dimension of the rod body 221, the cross section of the chute 110 is arc-shaped, the lower end of the chute 110 is arranged in an open mode, and the dimension of the opening is smaller than the diameter of the ball member 222. The rod 221 is inserted into the chute 110 such that the ball 222 is received in the chute 110, and the size of the opening at the lower end of the chute 110 is smaller than the size of the ball 222 such that the ball 222 is restrained in the chute 110 to prevent the slide plate 100 from being separated from the ball 222.

The sliding plate 100 is inclined at different angles, the ascending distance between the sliding plate 100 and the contact net is different, the pantograph is provided with a plurality of different sliding plate 100 inclination angles, when the sliding plate 100 is operated, the inclination angle required by the sliding plate 100 can be selected, the two electric push rods can firstly adjust the angle of the sliding plate 100, and then the two electric push rods synchronously ascend by a distance corresponding to the angle to enable the sliding plate 100 to contact the contact net.

Referring to fig. 1, in one embodiment of the present utility model, the pantograph further includes a base plate 300, two electric push rods are hinged to the base plate 300, the push rod assembly 200 further includes a slider 250 and a push rod 251, a guide plate 310 disposed in a vertical direction is provided on the base plate 300, the slider 250 is slidably engaged with the guide plate 310, the inner tube 240 is hinged to the slider 250, the push rod 251 is mounted on the slider 250 and connected to the slide plate 100, and the connection member 220 is disposed on the push rod 251.

When the inner tube 240 stretches and contracts with respect to the outer tube 230, the electric push rod can turn over with respect to the bottom plate 300, the sliding block 250 slides with respect to the guide plate 310 under the driving of the inner tube 240, the vertical position is adjusted, and meanwhile, the height position of the push rod 251 is adjusted, so that the inclination angle of the sliding plate 100 is adjusted.

Of course, the position of the slider in the vertical direction can also be changed by obliquely disposing the guide plate.

Referring to fig. 3, unlike the above-described embodiment, in one embodiment of the present utility model, two electric pushers are hinged to the base plate 300, the pusher assembly 200 further includes a first link 260 and a second link 261, one end of the first link 260 is hinged to the base plate 300, the other end of the first link 260 is hinged to the second link 261, one end of the second link 261 is hinged to the connection member 220 on the inner tube 240, the other end of the second link 261 is hinged to the sliding plate 100, and the connection member 220 is provided on the second link 261.

When the inner tube 240 is extended and contracted with respect to the outer tube 230, the electric push rod may be turned over with respect to the base plate 300, and the second link 261 is pushed by the inner tube 240 to be turned over with respect to the first link 260 by the driving of the inner tube 240, so as to change the position of the sliding plate 100 in the vertical direction. Since the link 220 includes the ball 222, the slider 100 may be turned over with respect to the second link 261 so that the upper end surface thereof is positioned on a horizontal plane to contact the contact net.

When the telescopic distances of the two push rod assemblies 200 are different, the sliding plate 100 also has a rotation relative to the second link 261, and the ball 222 on the connecting member 220 enables the sliding plate 100 to rotate relative to the ball 222.

Referring to fig. 4, unlike the above-described embodiment, in one embodiment of the present utility model, two electric pushers are hinged to the base plate 300, and the pusher assembly 200 further includes a driving rod 270, one end of which is hinged to the base plate 300, and the other end of which is connected to the sliding plate 100, and the inner tube 240 is hinged to the driving rod 270. When inner tube 240 is extended and contracted relative to outer tube 230, the electric push rod can be turned relative to bottom plate 300, and under the driving of inner tube 240, transmission rod 270 is turned relative to bottom plate 300 to change the position of slide plate 100 in the vertical direction.

Referring to fig. 5, unlike the above-described embodiment, in one embodiment of the present utility model, two electric pushers are fixedly installed on the base plate 300, the connection member 220 is provided on the inner tube 240, and the push rod assemblies 200 of the two electric pushers are vertically moved in a telescopic motion to drive the sliding plate 100 to move in a lifting motion.

While the utility model has been described in terms of embodiments, it will be appreciated by those skilled in the art that the utility model is not limited thereto but rather includes the drawings and the description of the embodiments above. Any modifications which do not depart from the functional and structural principles of the present utility model are intended to be included within the scope of the appended claims.

Claims

1. The utility model provides a pantograph, includes the slide of getting the electricity from the contact net and drive the electric putter that the slide goes up and down, electric putter is including connecting the push rod subassembly of slide and drive the push rod subassembly action is in order to drive the motor assembly that the slide goes up and down, its characterized in that, the slide is connected two electric putter, two electric putter's push rod subassembly with the slide articulates, and one of them electric putter's push rod subassembly with slide sliding fit makes when two push rod subassemblies flexible different distances the slope of slide relative the contact net and adjustment the slide with the position of contact net contact.

2. The pantograph of claim 1, wherein the push rod assembly includes an outer tube, an inner tube telescoping with respect to the outer tube, and a connector rotatably connecting ends of the inner tube, one of the connector of the electric push rod being in sliding engagement with the slide plate and the other connector of the electric push rod being in rotational engagement with the slide plate.

3. The pantograph of claim 2, wherein the connecting members include a rod body and a ball member disposed at an end of the rod body and in rotational engagement with the slide plate, wherein a slide slot is provided in a bottom portion of the slide plate corresponding to one of the connecting members, and the ball member is in sliding engagement with the slide slot.

4. A pantograph as claimed in claim 3 wherein the diameter of the ball is greater than the radial dimension of the rod, the cross section of the runner is circular arc, the lower end of the runner is open and the dimension of the open point is less than the diameter of the ball.

5. The pantograph of claim 1, wherein the push rod assemblies of the two electric push rods are telescopically moved in a vertical direction to drive the slide plate to be moved up and down.

6. The pantograph of claim 1, further comprising a base plate, wherein the two electric push rods are hinged to the base plate, wherein the push rod assembly comprises a telescopic sleeve assembly, a first connecting rod and a second connecting rod, wherein one end of the first connecting rod is hinged to the base plate, the other end of the first connecting rod is hinged to the second connecting rod, one end of the second connecting rod is hinged to the sleeve assembly, and the other end of the second connecting rod is hinged to the sliding plate.

7. The pantograph of claim 6, wherein the sleeve assembly includes an outer tube and an inner tube telescoping relative to the outer tube, the inner tube being hinged to the second link.

8. The pantograph of claim 1, further comprising a base plate, wherein the two electric push rods are hinged to the base plate, the push rod assembly comprises a telescopic sleeve assembly, a slide block and a push rod, a guide plate is arranged on the base plate, the slide block is in sliding fit with the guide plate, the sleeve assembly is hinged to the slide block, and the push rod is mounted on the slide block and connected with the slide plate.

9. The pantograph of claim 8, wherein the sleeve assembly includes an outer tube and an inner tube telescoping relative to the outer tube, the inner tube being hinged to the slider.