CN211061620U

CN211061620U - Experimental device for high-speed train pantograph self-adaptation active control

Info

Publication number: CN211061620U
Application number: CN201921769837.7U
Authority: CN
Inventors: 毛向德; 吕志阳; 雷岢; 姚威龙
Original assignee: Shaanxi Railway Institute
Current assignee: Shaanxi Railway Institute
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-07-21
Anticipated expiration: 2029-10-22

Abstract

The utility model provides an experimental device for the self-adaptive active control of a high-speed train pantograph, which comprises a main body frame, an inner bracket and a lifting mechanism, wherein the pantograph with a pressure detection function is arranged below the inner bracket; the lower terminal surface of walking beam sets up driving pulley and driven pulley, and the motor passes through first belt drive driving pulley, and driving pulley passes through second belt drive driven pulley, the second belt is just to the pantograph. The device has simulated the actual work current situation of the pantograph on the railway contact net completely, tests pressure more accurately through pressure sensor and range finding sensor, can reach the requirement of iron standard completely. Simultaneously, this test device can once carry out test to a plurality of pantographs simultaneously, has improved test efficiency greatly.

Description

Experimental device for high-speed train pantograph self-adaptation active control

Technical Field

The utility model relates to a state testing arrangement of railway contact net and pantograph equipment, more specifically the experimental apparatus that says so relates to a high-speed train pantograph self-adaptation active control.

Background

In a railway electrification contact network, a copper alloy contact line parallel to a high-speed rail is erected above the high-speed rail, a pantograph is arranged above a locomotive to take power through continuous contact, and the cost is huge and the transformation period is long when the existing line contact network is required to be transformed, so that the test of the pantograph is particularly important in the dynamic working process of the pantograph and the contact network. According to the running state of high-speed train, the pantograph is as the current-collecting device of train, and its operating condition receives the influence of objective factors such as the speed of high-speed railway line, train, according to the relation of train, high-speed railway line, contact net, pantograph, and the simulation design of the whole function of experimental apparatus needs to satisfy four functional requirements: 1. the method comprises the steps of realizing a contact net pull-out value, 2, realizing pantograph vibration, 3, realizing height change of the pantograph and 4, realizing the speed of a high-speed train. The existing true situation of simulating pantograph vibration is a horizontal test, namely a stroke track is arranged on an inner bracket, the movement of the structure is synchronous, the simulated overhead line system is also synchronous in offset, so that the displacement change of the overhead line system is fixed rather than oscillatory, in reality, overhead line system wiring usually swings along with a terrain curve, which is not in accordance with the actual use state, and therefore, the test data is not accurate; and, interior bracket vertical movement does not have range sensor among the testing arrangement, just also does not have the vibration curve of circuit slope simulation current situation yet, does not conform to the requirement of iron standard.

Disclosure of Invention

In order to overcome exist not enough among the prior art, the utility model provides a high-speed train pantograph self-adaptation active control's experimental apparatus mainly is dedicated to the dynamic working process that the experimental means realized high-speed railway pantograph and contact net, and whole laboratory bench simulation has realized the dynamic working process of high-speed railway pantograph under the operation of different speeds at different times.

The utility model discloses a realize through following technical scheme: the lifting mechanism is positioned above the main body frame, the inner bracket is positioned in the main body frame and can move up and down through the lifting mechanism, the inner bracket is also provided with a horizontal moving mechanism, a pantograph with a pressure detection function is arranged below the inner bracket, the horizontal moving mechanism comprises a swinging beam and a pushing motor, the swinging beam stretches across the inner bracket, a sliding rail support is arranged between one end of the swinging beam and the inner bracket, the other end of the swinging beam is hinged on the inner bracket, the pushing motor is fixed on the swinging beam positioned at one end of the sliding rail, and a push rod of the pushing motor is fixed on the side surface of the swinging beam; still set up the motor on the walking beam, the motor is fixed in the up end of walking beam through the motor cabinet, the lower terminal surface of walking beam sets up driving pulley and driven pulley, driving pulley and driven pulley pass through pulley holder I and pulley holder II and fix the lower terminal surface at the walking beam, the motor passes through first belt drive driving pulley, driving pulley passes through second belt drive driven pulley, the second belt is just to the pantograph.

In the above scheme, the main body frame comprises a cuboid frame, the cuboid frame comprises four vertical columns, and cross bars are arranged between the four vertical columns to enable the four vertical columns to be connected in pairs.

In the above scheme, a vertical linear sliding seat is arranged on the vertical upright post, a guide rail matched with the inner bracket is arranged on the side edge of the inner bracket, and the inner bracket is fixed on the linear sliding seat through the guide rail and can move up and down.

In the above scheme, hoist mechanism includes lifting machine, base, crossbeam, lift lead screw and lifting beam, the crossbeam is located main body frame's top, sets up the base on the crossbeam, set up the lifting machine on the base, the lifting machine is connected the lift lead screw, the lifting beam is connected to lift lead screw lower extreme, the both ends of lifting beam are fixed interior bracket reciprocates on the inner bracket.

In the above scheme, the lower end face of the inner bracket is further provided with infrared detection probes, and the infrared detection probes are located on two sides of the second belt.

In the scheme, the lifting beam and the inner bracket are fixed by cables, and the number of the cables is four and the cables are respectively positioned on two sides of the lifting beam.

Compared with the prior art, the experimental device for the self-adaptive active control of the pantograph of the high-speed train has the beneficial effects that:

1. the device completely simulates the actual working situation of the pantograph on the railway contact network, the swing structure is arranged to indirectly simulate the contact network, the pantograph is more accurately tested through the pressure sensor and the distance measuring sensor on the pantograph, and the actual operation requirement can be completely met;

2. the device is provided with a plurality of sliding structures, so that the precision of the test process is ensured;

3. the frame body adopts a steel frame body to simulate a railway contact network, so that the installation is simple and convenient, and the manufacturing cost is low;

4. the testing device can test a plurality of pantographs at one time, and greatly improves the testing efficiency.

Drawings

Fig. 1 is a schematic perspective view of an experimental apparatus for adaptive active control of a pantograph of a high-speed train according to the present invention;

fig. 2 is a side view of the experimental device for adaptive active control of the pantograph of the high-speed train of the present invention.

In the figure: 1. the device comprises a main body frame, 2 parts of a driven pulley, 3 parts of a propelling motor, 4 parts of a push rod, 5 parts of a horizontal moving mechanism, 6 parts of a slide rail, 7 parts of an inner bracket, 8 parts of a linear sliding seat, 9 parts of a swinging beam, 10 parts of a lifting mechanism, 11 parts of a pantograph, 12 parts of a second belt, 13 parts of a motor, 14 parts of a motor base, 15 parts of a driving pulley, 16 parts of a first belt, 17 parts of a vertical column, 18 parts of a cross rod, 19 parts of a pulley base I, 20 parts of a pulley base II, 21 parts of a lifting machine, 22 parts of a base, 23 parts of a lifting screw rod, 24 parts of a cross beam, 25 parts of a lifting beam, 26 parts of a cable, 27 parts of an infrared detection probe, 28 parts of.

Detailed Description

The experimental device for the adaptive active control of the pantograph of the high-speed train of the present invention is further described with reference to the accompanying drawings and specific embodiments:

fig. 1 is the utility model discloses high-speed train pantograph self-adaptation active control's experimental apparatus's spatial structure schematic diagram, fig. 2 is the utility model discloses high-speed train pantograph self-adaptation active control's experimental apparatus's side view. In the figure, the test device comprises a main body frame 1, an inner bracket 7 and a lifting mechanism 10, wherein the lifting mechanism 10 is positioned above the main body frame 1, the inner bracket 7 is positioned in the main body frame 1 and can move up and down through the lifting mechanism 10, the inner bracket 7 is also provided with a horizontal moving mechanism 5, a pantograph 11 with a pressure detection function is arranged below the inner bracket 7, the horizontal moving mechanism 5 comprises a swinging beam 9 and a pushing motor 3, the swinging beam 9 spans the inner bracket 7, a sliding rail 6 is arranged between one end of the swinging beam 9 and the inner bracket 7 for supporting, the other end of the swinging beam 9 is hinged on the inner bracket 7, the pushing motor 3 is fixed on the swinging beam 9 positioned at one end of the sliding rail 6, and a pushing rod 4 of the pushing motor 3 is fixed with the side surface of the swinging beam 9; the swing beam 9 is further provided with an electric motor 13, the electric motor 13 is fixed on the upper end face of the swing beam 9 through a motor base 14, the lower end face of the swing beam 9 is provided with a driving pulley 15 and a driven pulley 2, the driving pulley 15 and the driven pulley 2 are fixed on the lower end face of the swing beam 9 through a pulley base I19 and a pulley base II20, the electric motor 13 drives the driving pulley 15 through a first belt 16, the driving pulley 15 drives the driven pulley 2 through a second belt 12, and the second belt 12 is over against the pantograph 11. The main body frame 1 is composed of a rectangular frame, the rectangular frame comprises four vertical upright posts 17, and cross rods 18 are arranged between the four vertical upright posts 17 to enable the four upright posts to be connected with each other in a pairwise manner. The vertical upright post 17 is provided with a linear sliding seat 8 in the vertical direction, the side edge of the inner bracket 7 is provided with a guide rail 30 matched with the inner bracket, and the inner bracket 7 is fixed on the linear sliding seat 8 through the guide rail 30 and can move up and down. The lifting mechanism 10 comprises a lifting machine 21, a base 22, a cross beam 24, a lifting screw rod 23 and a lifting beam 25, wherein the cross beam 24 is positioned above the main body frame 1, the base 22 is arranged on the cross beam 24, the lifting machine 21 is arranged on the base 22, the lifting machine 21 is connected with the lifting screw rod 23, the lower end of the lifting screw rod 23 is connected with the lifting beam 25, and the lifting beam 25 is fixed on the inner bracket 7 to move the inner bracket 7 up and down. The lower terminal surface of interior bracket 7 still is provided with infrared detection probe 27, and infrared detection probe 27 is located the both sides of second belt 12, and the fixed mode between hoisting beam 25 and interior bracket 7 is cable 26, and there is four in the quantity of cable 26, is located the both sides of hoisting beam 25 respectively.

During the use, start lifting machine 21, lifting screw 23 drives the lifing beam and moves down, makes the suitable height of interior bracket 7, starter motor 13, and first belt 16 drives driving pulley 19, and driving pulley 19 drives second belt 12 and rotates, and second belt 12 simulation high-speed railway's contact net, and the lifting pantograph 11 makes it contact second belt 12 this moment, and when infrared detection probe 27 detected pantograph 11 and stopped the lifting, the completion is received the current.

When the contact net wiring needs to be simulated to swing along with a terrain curve, the pushing motor 3 is started, the pushing rod 4 pushes the swinging beam 9, and the inner bracket 7 is made to swing on the sliding rail 6 in a reciprocating mode by taking the rotating shaft 29 as a circle center.

When the contact net routing is required to be simulated to climb along with the terrain, the lifting machine 21 pushes the lifting screw rod 23 to move up and down, so that the lifting beam 25 is driven to move the inner bracket up and down, the pressure indirectly changes when the second belt 12 is in contact with the pantograph 11, and the pressure sensor 28 dynamically acquires the indirectly changed pressure.

The pressure values of the pantograph 11 and the catenary during the whole operation range from F (a, b): when the pressure value is less than a or equal to zero, it indicates that the pressure of the pantograph 11 is insufficient, or the pantograph 11 is already in an offline state; pantograph 4 needs to be raised.

When the pressure value is greater than b, the pressure between the pantograph 11 and the contact line is too high, and the pantograph 4 is required to be lowered to avoid excessive abrasion of the sliding plate.

The device has simulated the actual work current situation of the pantograph on the railway contact net completely, tests pressure more accurately through pressure sensor and range finding sensor, can reach the requirement of iron standard completely. Simultaneously, this test device can once carry out test to a plurality of pantographs simultaneously, has improved test efficiency greatly.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed with reference to the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make various changes or modifications equivalent to the above embodiments without departing from the scope of the present invention, but all the modifications, changes and modifications of the above embodiments by the technical spirit of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a high speed train pantograph self-adaptation active control's experimental apparatus, includes main body frame (1), inner bracket (7) and hoist mechanism (10), hoist mechanism (10) are located the top of main body frame (1), inner bracket (7) are located the inside of main body frame (1) and can reciprocate through hoist mechanism (10), still set up horizontal migration mechanism (5) on inner bracket (7), the below of inner bracket (7) sets up pantograph (11) that have the pressure detection function, its characterized in that: the horizontal moving mechanism (5) comprises a swing beam (9) and a propelling motor (3), the swing beam (9) stretches across the inner bracket (7), a sliding rail (6) is arranged between one end of the swing beam (9) and the inner bracket (7) for supporting, the other end of the swing beam is hinged to the inner bracket (7), the propelling motor (3) is fixed on the swing beam (9) at one end of the sliding rail (6), and a push rod (4) of the propelling motor (3) is fixed to the side surface of the swing beam (9); still set up motor (13) on walking beam (9), motor (13) are fixed in the up end of walking beam (9) through motor cabinet (14), the lower terminal surface of walking beam (9) sets up drive pulley (15) and driven pulley (2), the lower terminal surface at walking beam (9) is fixed through pulley seat I (19) and pulley seat II (20) in drive pulley (15) and driven pulley (2), motor (13) drive pulley (15) through first belt (16), drive pulley (15) are through second belt (12) drive driven pulley (2), second belt (12) are just to pantograph (11).

2. The experimental device for the adaptive active control of the pantograph of the high-speed train as claimed in claim 1, wherein: the main body frame (1) is composed of a cuboid frame, the cuboid frame comprises four vertical columns (17), and cross rods (18) are arranged between the four vertical columns (17) to enable the four vertical columns to be connected with each other in a pairwise mode.

3. The experimental device for the adaptive active control of the pantograph of the high-speed train as claimed in claim 2, wherein: set up the straight line slide (8) of vertical direction on perpendicular stand (17), the side of interior bracket (7) sets up guide rail (30) with it looks adaptation, interior bracket (7) can reciprocate on straight line slide (8) through guide rail (30) fixing.

4. The experimental device for the adaptive active control of the pantograph of the high-speed train as claimed in claim 1, wherein: lifting mechanism (10) are including lifting machine (21), base (22), crossbeam (24), lift lead screw (23) and lifting beam (25), crossbeam (24) are located the top of main body frame (1), set up base (22) on crossbeam (24), set up lifting machine (21) on base (22), lifting lead screw (23) are connected to lifting machine (21), lifting beam (25) are connected to lift lead screw (23) lower extreme, lifting beam (25) are fixed interior bracket (7) are gone up and down to be reciprocated on interior bracket (7).

5. The experimental device for the adaptive active control of the pantograph of the high-speed train as claimed in claim 1, wherein: the lower end face of the inner bracket (7) is further provided with infrared detection probes (27), and the infrared detection probes (27) are located on two sides of the second belt (12).

6. The experimental device for the adaptive active control of the pantograph of the high-speed train as claimed in claim 4, wherein: the fixing mode between the lifting beam (25) and the inner bracket (7) is cables (26), and the number of the cables (26) is four, and the four cables are respectively positioned on two sides of the lifting beam (25).