Electric locomotive pantograph lifting assembly

Abstract

The utility model discloses an electric locomotive pantograph lifting assembly, and particularly relates to the technical field of electric locomotive pantographs, the electric locomotive pantograph lifting assembly comprises a supporting frame, a fixing plate is fixed at one end of the bottom side of the supporting frame, and a fixing seat is fixed at the other end of the bottom side of the supporting frame; two symmetrical connecting shafts are rotationally connected between the fixed seat and the fixed plate through bearings; carbon sliding plates are fixed to the two sides of the top of the bow corner, and connecting plates are symmetrically arranged at the two ends of the bottom side of the bow corner. The multiple sets of stretching arms, the connecting shafts and the synchronizing mechanism are arranged between the supporting frame and the bow angle, the two connecting shafts are driven to synchronously rotate inwards or outwards, the multiple sets of stretching arms can drive the bow angle to move up and down at the same time, the bow angle can stably ascend and descend along a straight line, and under the synchronous movement of the multiple sets of stretching arms, the bow angle can stably ascend and descend along the straight line. Therefore, efficient lifting of the bow angle can be stably and reliably controlled, the bow angle is even in stress and not prone to deflection, and the safety and stability of equipment in the using process are greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of pantograph technology for electric locomotives, and specifically to a pantograph lifting assembly for electric locomotives. Background Technology

[0002] Electric locomotives, also known as electric trains, are trains that obtain electrical energy from the power grid (overhead contact line) or rails and then drive the vehicles through electric motors. The pantograph is the electrical equipment on the roof of the locomotive or train that obtains electrical energy from the overhead contact line. During use, the pantograph needs to be raised and lowered. Raising the pantograph allows the pantograph plate to contact the contact wire, while lowering it disengages the pantograph plate from the contact wire.

[0003] Currently, existing electric locomotive pantographs are often raised and lowered using a single cylinder arm. This method has poor stability and reliability. Because the pantograph has a certain length and is prone to uneven force on both sides, it is easy for it to tilt during raising and lowering, which greatly affects the safety and stability of the equipment during use. Utility Model Content

[0004] The purpose of this utility model is to provide a pantograph lifting assembly for electric locomotives. By setting multiple sets of extension arms, connecting shafts, and a synchronization mechanism between the support frame and the pantograph, and by driving two connecting shafts to rotate synchronously inward or outward, the multiple sets of extension arms can simultaneously move the pantograph up and down, thus enabling the pantograph to rise and fall stably along a straight line. Under the synchronous movement of the multiple sets of extension arms, the pantograph can be raised and lowered efficiently and reliably with stable stability. This also ensures that the pantograph is subjected to uniform force and is not prone to skewing, greatly improving the safety and stability of the equipment during use, thereby solving the aforementioned shortcomings in the technology.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a pantograph lifting assembly for an electric locomotive, comprising:

[0006] A support frame, wherein a fixing plate is fixed at one bottom end of the support frame and a fixing seat is fixed at the other bottom end of the support frame, and the fixing seat and the fixing plate are rotatably connected by two symmetrical connecting shafts through bearings;

[0007] The bow angle has carbon sliding plates fixed on both sides of its top, and connecting plates are symmetrically arranged at both ends of its bottom side. An extension arm is provided between the connecting shaft and the connecting plate.

[0008] A synchronization mechanism is used to drive two connecting shafts to rotate synchronously.

[0009] Preferably, the extension arm includes a first support arm symmetrically fixed at both ends of the connecting shaft, the top end of the first support arm is rotatably connected to a second support arm via a pivot, and the top end of the second support arm is movably connected to the bottom end of the connecting plate via a pivot.

[0010] Preferably, the synchronization mechanism includes gears symmetrically fixed at the ends of two connecting shafts, the two gears meshing, and one end of each gear being connected to a drive assembly.

[0011] Preferably, the drive assembly includes a drive motor fixed to one end of the fixed base, the output end of the drive motor extending into the fixed base and connected to a worm gear, and one end of the connecting shaft extending into the fixed base and connected to a worm wheel, wherein the worm wheel meshes with the worm gear.

[0012] Preferably, the support frame is provided with an insulating base at each of the four ends of its bottom side.

[0013] Preferably, telescopic rods are fixed at both ends of the bottom side of the bow angle, and the bottom ends of the telescopic rods are fixedly connected to the support frame.

[0014] Preferably, a spring is fitted on the outer wall of the telescopic rod, and the two ends of the spring are fixedly connected to the bow angle and the support frame, respectively.

[0015] The technical effects and advantages provided by this utility model in the above technical solution are as follows:

[0016] By setting multiple sets of extension arms, connecting shafts and synchronous mechanisms between the support frame and the bow, and by driving the two connecting shafts to rotate synchronously inward or outward, the multiple sets of extension arms can simultaneously drive the bow to move up and down, so that the bow can rise and fall stably along a straight line. Under the synchronous movement of the multiple sets of extension arms, the bow can be raised and lowered efficiently and reliably, and the force on the bow can be evenly distributed, making it less prone to tilting, which greatly improves the safety and stability of the equipment during use.

[0017] By setting up telescopic rods and springs, a support frame can be further formed between the bow angle and the support frame, thereby supporting and limiting the bow angle. This allows the connecting plate to better drive the bow angle to rise and fall stably along a straight line, greatly ensuring the stability of the bow angle during movement. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a three-dimensional structural diagram of the present invention viewed from below;

[0021] Figure 3This is a schematic diagram of the connection structure between the connecting shaft and the connecting plate of this utility model;

[0022] Figure 4 This is a schematic diagram of the connection structure between the telescopic rod and the spring of this utility model.

[0023] Explanation of reference numerals in the attached figures:

[0024] 1. Support frame; 2. Connecting shaft; 3. First support arm; 4. Second support arm; 5. Connecting plate; 6. Bow angle; 7. Carbon sliding plate; 8. Telescopic rod; 9. Spring; 10. Fixing plate; 11. Fixing seat; 12. Worm gear; 13. Drive motor; 14. Worm wheel; 15. Gear. Detailed Implementation

[0025] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0026] This utility model provides, for example Figures 1-4 The pantograph lifting assembly shown includes:

[0027] Support frame 1, with a fixing plate 10 fixed at one bottom end and a fixing seat 11 fixed at the other bottom end. The fixing seat 11 and the fixing plate 10 are rotatably connected by two symmetrical connecting shafts 2 through bearings.

[0028] Insulating bases are provided at all four ends of the bottom side of the support frame 1.

[0029] A bow angle 6 is provided, and carbon sliding plates 7 are fixed on both sides of the top of the bow angle 6. Connecting plates 5 are symmetrically arranged at both ends of the bottom side of the bow angle 6. An extension arm is provided between the connecting shaft 2 and the connecting plate 5.

[0030] The extension arm includes a first support arm 3 symmetrically fixed at both ends of the connecting shaft 2. The top end of the first support arm 3 is rotatably connected to a second support arm 4 via a rotating shaft. The top end of the second support arm 4 is movably connected to the bottom end of the connecting plate 5 via a rotating shaft.

[0031] Synchronization mechanism, used to drive the two connecting shafts 2 to rotate synchronously.

[0032] The synchronization mechanism includes gears 15 symmetrically fixed at the ends of two connecting shafts 2, the two gears 15 meshing with each other, and one end of each gear 15 is connected to a drive component.

[0033] The drive assembly includes a drive motor 13 fixed to one end of a fixed base 11. The output end of the drive motor 13 extends into the fixed base 11 and is connected to a worm gear 12. One end of a connecting shaft 2 extends into the fixed base 11 and is connected to a worm wheel 14, which meshes with the worm gear 12.

[0034] Telescopic rods 8 are fixed to both ends of the bottom side of the bow angle 6, and the bottom ends of the telescopic rods 8 are fixedly connected to the support frame 1. A spring 9 is sleeved on the outer wall of the telescopic rod 8, and the two ends of the spring 9 are fixedly connected to the bow angle 6 and the support frame 1 respectively. The telescopic rods 8 and the spring 9 can support and limit the bow angle 6 to ensure the stability of the bow angle 6 when it moves.

[0035] In use, the drive motor 13 can be started to drive the worm 12 to rotate, and then the worm 12 drives the worm wheel 14 to rotate, which in turn drives the connecting shaft 2 to rotate. Then the connecting shaft 2 drives the two gears 15 to mesh and rotate, so that the two connecting shafts 2 can rotate synchronously inward or outward.

[0036] Then, the connecting shaft 2 can drive the first support arm 3 to rotate, which in turn drives the second support arm 4 to rotate. The second support arm 4 then drives the connecting plate 5 to move. Under the limiting support and buffering effect of the telescopic rod 8 and the spring 9, the connecting plate 5 can drive the bow angle 6 to rise and fall steadily in a straight line. That is, when the two connecting shafts 2 rotate inward synchronously, the telescopic arm drives the bow angle 6 to rise rapidly. When the two connecting shafts 2 rotate outward synchronously, the telescopic arm drives the bow angle 6 to fall rapidly. With the synchronous movement of multiple sets of telescopic arms, the bow angle 6 can be controlled to rise and fall efficiently in a stable and reliable manner. This also makes the bow angle 6 bear force evenly and is not easy to deviate, which greatly improves the safety and stability of the equipment during use.

[0037] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A pantograph lifting assembly for an electric locomotive, characterized in that, include: A support frame (1) is provided, with a fixing plate (10) fixed at one end of the bottom side of the support frame (1) and a fixing seat (11) fixed at the other end of the bottom side of the support frame (1). The fixing seat (11) and the fixing plate (10) are rotatably connected by two symmetrical connecting shafts (2) through bearings. A bow angle (6) is provided with carbon sliding plates (7) fixed on both sides of the top of the bow angle (6), and connecting plates (5) are symmetrically arranged at both ends of the bottom side of the bow angle (6). An extension arm is provided between the connecting shaft (2) and the connecting plate (5). A synchronization mechanism is used to drive the two connecting shafts (2) to rotate synchronously; The extension arm includes a first support arm (3) symmetrically fixed at both ends of the connecting shaft (2), and a second support arm (4) is rotatably connected to the top of the first support arm (3) via a rotating shaft. The top of the second support arm (4) is movably connected to the bottom end of the connecting plate (5) via a rotating shaft. The synchronization mechanism includes gears (15) symmetrically fixed at the ends of two connecting shafts (2), the two gears (15) meshing with each other, and a drive component connected to one end of each gear (15).

2. The pantograph lifting assembly for an electric locomotive according to claim 1, characterized in that: The drive assembly includes a drive motor (13) fixed to one end of a fixed base (11), the output end of the drive motor (13) extending into the fixed base (11) and connected to a worm (12), and one end of the connecting shaft (2) extending into the fixed base (11) and connected to a worm wheel (14), and the worm wheel (14) meshing with the worm (12).

3. The pantograph lifting assembly for an electric locomotive according to claim 1, characterized in that: The support frame (1) is provided with an insulating base at each of its four bottom ends.

4. The pantograph lifting assembly for an electric locomotive according to claim 1, characterized in that: Both ends of the bottom side of the bow angle (6) are fixed with telescopic rods (8), and the bottom end of the telescopic rods (8) is fixedly connected to the support frame (1).

5. The pantograph lifting assembly for an electric locomotive according to claim 4, characterized in that: The outer wall of the telescopic rod (8) is fitted with a spring (9), and the two ends of the spring (9) are fixedly connected to the bow angle (6) and the support frame (1) respectively.

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