Pantograph head capable of acting independently
By using the independent support structure of the bow lifting mechanism and the bellows airbag spring in the pantograph bow head, the problem of carbon skateboard contact force difference caused by the bow head suspension structure in the prior art is solved, and the independent action and contact of the bow head are achieved The balance of the mesh contact pressure reduces the occurrence of wear and arcing.
Patent Information
- Application Number
- CN202421139414.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-23
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-23
AI Technical Summary
The existing pantograph bow heads are suspended by spring sheets or leaf spring structures, which causes the front and rear arch heads to interact when under pressure, resulting in poor contact force of carbon skateboards, resulting in uneven wear, waste and increased arcing.
The bow lifting mechanism and I-shaped mount are adopted, and the two bow heads are independently supported by 8 bellows airbag springs to ensure that the bow heads are independently operated and arranged in parallel intervals to avoid the contact force of the front and rear carbon skateboards.
The independent action of the bow head and the contact pressure equalization of the contact network are achieved, which reduces the wear rate of the carbon skateboard, improves the follow-up between the bow head and the contact network, and reduces arc and wear.
Smart Images
Figure CN222246859U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of rail vehicle equipment, in particular to a pantograph head capable of independent movement. Background Art
[0002] The main function of the pantograph is to obtain power from the contact network and supply power to the entire train electrical system. At the same time, the train's kinetic energy is converted into electrical energy through the train's regenerative braking system and fed back to the contact network for use by other trains, playing the role of a two-way transmission hub.
[0003] In the prior art, the bow head of the pantograph is mainly supported by a bow head suspension system. The commonly used bow head suspension is a spring sheet or a bow head leaf spring structure. However, this structural method has the following disadvantages: the front and rear bow heads are connected together by a spring sheet or a leaf spring. When one side is compressed, the other side will be affected, resulting in a large difference in contact force between the front and rear carbon slide plates, and eccentric wear of the carbon slide plate.
[0004] Therefore, a pantograph head capable of independent movement is proposed. Utility Model Content
[0005] The utility model aims to overcome the deficiencies of the prior art and provide a pantograph head capable of independent movement.
[0006] The purpose of this utility model is achieved through the following technical solutions:
[0007] A pantograph bow head capable of independent movement comprises a bow raising mechanism and two bow heads, an I-shaped mounting seat being installed at the end of the bow raising mechanism, the two bow heads being arranged on the mounting seat in parallel and at intervals, elastic support mechanisms being arranged at both ends of any of the bow heads, and the elastic support mechanisms being connected to the mounting seat.
[0008] Furthermore, in the utility model, any of the above-mentioned elastic support mechanisms includes two bellows airbag springs, which are symmetrically arranged on both sides of the above-mentioned bow head, and one end of any of the above-mentioned bellows airbag springs is connected to the above-mentioned mounting seat, and the other end is connected to the above-mentioned bow head.
[0009] The beneficial effects of the utility model are:
[0010] 1. The two bow heads of this pantograph are supported by 8 independent bellows airbag springs and can move independently. The contact pressure of the pantograph on the contact network is not affected front and back.
[0011] The wear of the carbon slide plates of the two bow heads is related to the contact force. When the contact force is equivalent, the wear rate of the carbon slide plates will not be too different, that is, there will be no waste due to the height difference between the front and back of the carbon slide plates.
[0012] , the bow head has a large degree of freedom, which can ensure better tracking of the bow head and the contact network, thereby reducing arcing and carbon slide plate wear. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;
[0014] Figure 2 It is a schematic structural diagram of an embodiment of the utility model.
[0015] In the figure: 101 - bow lifting mechanism; 201 - bow head; 301 - mounting seat; 401 - bellows airbag spring. DETAILED DESCRIPTION
[0016] The following will be combined with the embodiments to clearly and completely describe the technical solution of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.
[0017] See also Figure 1 and Figure 2 , the utility model provides a technical solution:
[0018] A pantograph bow head capable of independent movement comprises a bow raising mechanism 101 and two bow heads 201. An I-shaped mounting seat 301 is installed at the end of the bow raising mechanism 101. The two bow heads 201 are arranged on the mounting seat 301 in parallel and at intervals. Both ends of any bow head 201 are provided with elastic support mechanisms, which are connected to the mounting seat 301.
[0019] Specifically, any elastic support mechanism includes two bellows airbag springs 401 symmetrically arranged on both sides of the bow head 201 , and one end of any bellows airbag spring 401 is connected to the mounting seat 301 , and the other end is connected to the bow head 201 .
[0020] When working, the two bow heads 201 are supported by 8 independent bellows airbag springs 401, and the two bow heads 201 can move independently without being affected by the front and back.
[0021] The above is only a preferred embodiment of the utility model. It should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.
Claims
1. A pantograph head capable of independent movement, characterized in that: The invention comprises a bow raising mechanism (101) and two bow heads (201), wherein an I-shaped mounting seat (301) is installed at the end of the bow raising mechanism (101), and the two bow heads (201) are arranged on the mounting seat (301) in parallel and at intervals, and an elastic support mechanism is arranged at both ends of any bow head (201), and the elastic support mechanism is connected to the mounting seat (301); any of the elastic support mechanisms comprises two bellows airbag springs (401), and the two bellows airbag springs (401) are symmetrically arranged on both sides of the bow head (201), and one end of any of the bellows airbag springs (401) is connected to the mounting seat (301), and the other end is connected to the bow head (201).