CN211519265U

CN211519265U - Pantograph for subway rail vehicle

Info

Publication number: CN211519265U
Application number: CN201922465704.7U
Authority: CN
Inventors: 陈建伏; 陈政融
Original assignee: Hunan Tianshun Subway Technology Co ltd
Current assignee: Hunan Tianshun Subway Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-18
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a subway rail is pantograph for vehicle, concretely relates to pantograph technical field, which comprises a bracket, positive and negative motor is installed to one side of support, and the bottom of support installs supporting insulator, the bottom surface middle part of support is provided with the loop bar, and one side of support has the pull rod through round pin axle swing joint, supporting insulator's bottom surface is provided with the automobile body, the inside of support is provided with the lead screw. The utility model discloses set up lead screw and gag lever post, the slide transmits on the support, the setting of gag lever post can carry on spacingly to the slide, avoid the phenomenon of skew to appear in the slide, the rotation appears with the pull rod in the lower armed lever on the slide, the use height of adjustable slide, reduce balancing pole system atress, the lift is lifted to the air that reduces the slide, locating piece and locating hole have been set up, the locating piece can enter into the inside of locating hole, the installation has been realized with the mount pad to loop bar this moment, stability between support and the automobile body has been increased.

Description

Pantograph for subway rail vehicle

Technical Field

The utility model relates to a pantograph technical field, more specifically say, the utility model relates to a subway is pantograph for track vehicle.

Background

The pantograph can be divided into a single-arm pantograph and a double-arm pantograph, and consists of 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 support insulator and the like, and is a diamond pantograph which is also called a diamond pantograph.

But in actual use, the sliding plate still has more defects, such as inconvenient adjustment of the use height of the sliding plate.

Disclosure of Invention

In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a pantograph for subway rail vehicle, through having set up lead screw and gag lever post, the rotation of lead screw, can make the slide on the support transmission, the setting of gag lever post can carry on spacingly to the slide, avoid the phenomenon of skew to appear in the slide, it is rotatory that lower armed lever post and pull rod on the slide appear, positive and negative rotation through positive and negative motor, adjustable slide's use height, reduce the balancing pole system atress, the lift is lifted to the air that reduces the slide, in order to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the pantograph for the subway rail vehicle comprises a support, wherein a positive and negative motor is installed on one side of the support, a supporting insulator is installed at the bottom end of the support, a loop bar is arranged in the middle of the surface of the bottom end of the support, a pull rod is movably connected to one side of the support through a pin shaft, and a vehicle body is arranged on the surface of the bottom end of the supporting insulator;

the inside of support is provided with the lead screw, the one end of lead screw and the output shaft end fixed connection of positive and negative motor, and one side of lead screw is provided with the gag lever post, the circumference side outer wall of lead screw is equipped with the slide, and threaded connection between lead screw and the slide, sliding connection between slide and the gag lever post.

In a preferred embodiment, the top end of the sliding seat is movably connected with a lower arm rod through a pin shaft, the lower arm rod is movably connected with the pull rod through a pin shaft, and a fixing rod is fixedly arranged at the top end of the lower arm rod.

In a preferred embodiment, one side of the fixing rod is provided with an upper arm, the bottom end of the upper arm is provided with a first rod, and one end of the upper arm is provided with a bending part.

In a preferred embodiment, the two ends of the bending part are provided with bow rotating shafts, one side of the bending part is provided with a bow angle, a sliding plate is arranged above the bow angle, and the joint of the sliding plate and the bow angle is provided with a spring box.

In a preferred embodiment, the top end of the vehicle body is provided with an installation seat, the surface of the installation seat is provided with a positioning hole, and a positioning block is arranged inside the positioning hole.

In a preferred embodiment, a groove is formed in the surface of the loop bar, a spring is arranged inside the groove, and one end of the spring is fixedly connected with the positioning block.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a lead screw and gag lever post have been set up, the rotation of lead screw can make the slide transmit on the support, the setting of gag lever post can carry on spacingly to the slide, avoid the slide to appear the phenomenon of skew, lower armed lever and pull rod on the slide appear rotatoryly, through positive and negative rotation of positive and negative motor, the use height of adjustable slide, reduce balancing pole system atress, reduce the air lift of slide, improve structural component fatigue life, compared with the prior art, the inconvenient problem of adjusting of use height of slide has been solved;

2. the utility model discloses a set up locating piece and locating hole, the locating piece is along with in the spring enters into the recess, and when the locating piece reachd the position of locating hole, the elastic deformation that the spring received resumes, and the locating piece can enter into the inside of locating hole, and the loop bar has realized the installation with the mount pad this moment, has increased the stability between support and the automobile body.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the bow angle mounting structure of the present invention.

Fig. 3 is a schematic view of the slide seat mounting structure of the present invention.

Fig. 4 is a schematic view of the loop bar mounting structure of the present invention.

The reference signs are: 1. a support; 2. a positive and negative motor; 3. a support insulator; 4. a loop bar; 5. a vehicle body; 6. a mounting seat; 7. a slide base; 8. a pull rod; 9. a lower arm lever; 10. fixing the rod; 11. an upper arm lever; 12. a first lever; 13. a bending section; 14. a slide plate; 15. a bow angle; 16. positioning holes; 17. positioning blocks; 18. a groove; 19. a spring; 20. a lead screw; 21. a limiting rod; 22. a bow head rotating shaft; 23. a spring case.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model relates to a pantograph for subway rail vehicle, including support 1, positive and negative motor 2 is installed to one side of support 1, and the bottom of support 1 installs supporting insulator 3, the bottom surface middle part of support 1 is provided with loop bar 4, and one side of support 1 has pull rod 8 through round pin axle swing joint, supporting insulator 3's bottom surface is provided with automobile body 5.

Referring to the attached drawings of the specification, the pantograph for the subway rail vehicle of the embodiment includes a lead screw 20, the lead screw 20 is arranged inside the bracket 1, one end of the lead screw 20 is fixedly connected with the end of an output shaft of the forward and reverse motor 2, a limiting rod 21 is arranged on one side of the lead screw 20, a sliding seat 7 is arranged on the outer wall of the circumferential side of the lead screw 20, the lead screw 20 is in threaded connection with the sliding seat 7, and the sliding seat 7 is in sliding connection with the limiting rod 21.

Further, the top end of the sliding seat 7 is movably connected with a lower arm rod 9 through a pin shaft, the lower arm rod 9 is movably connected with the pull rod 8 through a pin shaft, and a fixing rod 10 is fixedly arranged at the top end of the lower arm rod 9.

Further, an upper arm 11 is disposed on one side of the fixing rod 10, a first rod 12 is mounted at the bottom end of the upper arm 11, and a bending portion 13 is disposed at one end of the upper arm 11.

Further, a bow rotating shaft 22 is installed at two ends of the bending portion 13, a bow angle 15 is arranged on one side of the bending portion 13, a sliding plate 14 is arranged above the bow angle 15, and a spring box 23 is installed at the joint of the sliding plate 14 and the bow angle 15.

Further, the top end of the vehicle body 5 is provided with an installation seat 6, the surface of the installation seat 6 is provided with a positioning hole 16, and a positioning block 17 is arranged inside the positioning hole 16.

Further, a groove 18 is formed in the surface of the loop bar 4, a spring 19 is arranged inside the groove 18, and one end of the spring 19 is fixedly connected with the positioning block 17.

The implementation scenario is specifically as follows: in the using process, the bracket 1 is arranged at the top end of the vehicle body 5, the positioning block 17 is pressed, the positioning block 17 extrudes the spring 19 under the action of external force, the spring 19 is elastically deformed, the positioning block 17 enters the groove 18 along with the spring 19, when the positioning block 17 reaches the position of the positioning hole 16, the elastic deformation of the spring 19 is recovered, the positioning block 17 can enter the positioning hole 16, the sleeve rod 4 and the mounting seat 6 are installed at the moment, the positive and negative motor 2 can be electrified later, the output shaft of the positive and negative motor 2 drives the screw rod 20 to rotate, the slide seat 7 can be driven on the bracket 1 due to the rotation of the screw rod 20, the slide seat 7 can be limited due to the fact that the slide seat 7 is sleeved on the surface of the limiting rod 21, the phenomenon that the slide seat 7 is deviated is avoided, the lower arm rod 9 and the pull rod 8 on the slide seat 7 rotate, and the angle of the lower arm rod 9, through the positive and negative rotation of positive and negative motor 2, adjustable slide 14's use height reduces the balancing pole system atress, reduces slide 14's air lift, improves structural component fatigue life to it is high to have the current collection stability, and this embodiment has specifically solved the inconvenient problem of adjusting of slide 14's use height.

The utility model discloses the theory of operation:

referring to the attached drawings 1-3 of the specification, a lead screw 20 and a limiting rod 21 are arranged, the slide seat 7 can be driven on the support 1 by the rotation of the lead screw 20, the limiting rod 21 can limit the slide seat 7, the phenomenon that the slide seat 7 is deviated is avoided, a lower arm rod 9 and a pull rod 8 on the slide seat 7 rotate, the use height of the sliding plate 14 can be adjusted by the positive and negative rotation of the positive and negative motors 2, the stress of a balance rod system is reduced, the air lift force of the sliding plate 14 is reduced, the fatigue life of structural components is prolonged, and the problem that the use height of the sliding plate 14 is inconvenient to adjust is solved.

Referring to the attached

drawings

1 and 4 in the specification, a positioning block 17 and a positioning hole 16 are arranged, the positioning block 17 enters a groove 18 along with a spring 19, when the positioning block 17 reaches the position of the positioning hole 16, the elastic deformation of the spring 19 is recovered, the positioning block 17 can enter the positioning hole 16, at the moment, the loop bar 4 and the mounting seat 6 are mounted, and the stability between the support 1 and the vehicle body 5 is improved.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a subway rail is pantograph for vehicle, includes support (1), its characterized in that: a positive and negative motor (2) is installed on one side of the support (1), a supporting insulator (3) is installed at the bottom end of the support (1), a loop bar (4) is arranged in the middle of the surface of the bottom end of the support (1), a pull rod (8) is movably connected to one side of the support (1) through a pin shaft, and a vehicle body (5) is arranged on the surface of the bottom end of the supporting insulator (3);

the inside of support (1) is provided with lead screw (20), the output shaft tip fixed connection of the one end of lead screw (20) and positive and negative motor (2), and one side of lead screw (20) is provided with gag lever post (21), the circumference side outer wall of lead screw (20) is equipped with slide (7), and threaded connection between lead screw (20) and slide (7), sliding connection between slide (7) and gag lever post (21).

2. The pantograph for a subway rail vehicle as claimed in claim 1, wherein: the top of slide (7) has lower armed lever (9) through round pin axle swing joint, lower armed lever (9) and pull rod (8) are through round pin axle swing joint, and the fixed dead lever (10) that is provided with in top of lower armed lever (9).

3. The pantograph for a subway rail vehicle as claimed in claim 2, wherein: an upper arm rod (11) is arranged on one side of the fixing rod (10), a first rod (12) is installed at the bottom end of the upper arm rod (11), and a bending portion (13) is arranged at one end of the upper arm rod (11).

4. The pantograph for a subway rail vehicle as claimed in claim 3, wherein: bow head pivot (22) are installed at the both ends of flexion (13), and one side of flexion (13) is provided with bow angle (15), the top of bow angle (15) is provided with slide (14), spring box (23) are installed to the junction of slide (14) and bow angle (15).

5. The pantograph for a subway rail vehicle as claimed in claim 1, wherein: the automobile body (5) is characterized in that the top end of the automobile body (5) is provided with an installation seat (6), a positioning hole (16) is formed in the surface of the installation seat (6), and a positioning block (17) is arranged inside the positioning hole (16).

6. The pantograph for a subway rail vehicle as claimed in claim 5, wherein: the surface of the loop bar (4) is provided with a groove (18), a spring (19) is arranged in the groove (18), and one end of the spring (19) is fixedly connected with the positioning block (17).