Traction positioning device for whole train test

Abstract

The utility model discloses a traction positioning device for a whole train test. The traction positioning device comprises a longitudinal counter-force frame, a vertical guide rail mechanism and a traction mechanism. The vertical guide rail mechanism comprises a guide rail, a sliding block and a screw rod, the sliding block slides in the vertical direction along the guide rail, a rod body of the screw rod is in threaded connection with the top of the longitudinal counter-force frame, and the bottom of the screw rod is rotationally connected with the sliding block. The traction mechanism comprises a spherical hinge seat, a spherical hinge screw rod with the rear end connected with the spherical hinge seat, a traction rod fixedly connected with the front end of the spherical hinge screw rod, and a car coupler connecting body connected with the front end of the traction rod. According to the traction positioning device, the sliding block is driven to ascend and descend in the vertical direction by rotating the screw rod, so that the height of the coupler connecting body is adjusted, and the traction positioning device is suitable for traction operation of trains of different models; the traction device can rotate within a certain range through the spherical hinge base, and the traction device is simple in structure, easy to install and operate and high in popularization value.

Description

TECHNICAL FIELD

[0001] The embodiment of the utility model belongs to train traction experimental device technical field, more particularly, relate to a kind of traction positioning device for train whole vehicle test. BACKGROUND

[0002] Train whole vehicle related test technical field, traction positioning device is the indispensable important component part therein. Train needs to face complex road conditions in actual operation process, the trajectory of train operation in horizontal plane is not straight line. In the related test of simulating train operation, the rotation freedom of some existing traction positioning device is limited, and the structure of some traction positioning device is relatively complex, cannot be adjusted adaptively according to the specific model of train

[0003] Therefore, at present, a kind of traction positioning device for train whole vehicle test is needed, which is simple in structure, and can realize the rotation of traction train within a certain range, and can be adjusted according to the height of traction device to adapt to trains of different specifications. SUMMARY

[0004] In view of the problems of the structure of the traction device in the prior art, the adaptability cannot be adjusted according to the specific model of train, and the rotation freedom is not provided, the utility model provides a kind of traction positioning device for train whole vehicle test to solve such problems.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a kind of traction positioning device for train whole vehicle test, including longitudinal counterforce frame, vertical guide rail mechanism and traction mechanism;Wherein, the vertical guide rail mechanism is arranged at the front end of longitudinal counterforce frame, including guide rail, sliding block and screw rod, the sliding block is vertically slid along guide rail, the screw rod stem is screw-connected with the top of longitudinal counterforce frame, and the bottom is rotationally connected with sliding block;The traction mechanism includes ball joint seat fixedly arranged at the front end of sliding block, ball joint screw rod connected with ball joint seat at rear end, traction rod fixedly connected with the front end of ball joint screw rod, and car coupler connecting body connected with the front end of traction rod.

[0006] Further, the longitudinal counterforce frame includes its including bottom plate, side plate vertically fixed on bottom plate, reinforcing plate vertically fixedly connected with bottom plate and side plate at bottom and side edge respectively, and top plate fixedly arranged on the top of side plate and reinforcing plate.

[0007] Further, the top plate is provided with threaded hole, and the threaded connection of top plate and screw rod is realized through threaded hole.

[0008] Further, the vertical guide rail mechanism further includes hand wheel, bearing and bearing seat;Wherein, the bearing seat is fixedly arranged on the top of sliding block;The outer ring of bearing is fixedly connected with bearing seat, and the inner ring is fixedly connected with the bottom of screw rod;The hand wheel is fixedly connected with the top of screw rod.

[0009] Further, the ball hinge screw rear end is connected with the ball hinge base through a ball hinge flange end cover, so that multiple degrees of freedom rotation can be realized.

[0010] Further, a tension and pressure sensor is arranged between the drawbar and the coupler connecting body to monitor the size of the traction force during the test.

[0011] Further, the rear end of the tension and pressure sensor is fixedly connected with the front end of the drawbar through a first sensor connecting flange, and the front end is fixedly connected with the rear end of the coupler connecting body through a second sensor connecting flange.

[0012] Further, the top of the longitudinal counterforce frame is further provided with a cantilever beam mechanism, which comprises a cantilever beam, a cantilever beam screw and a supporting plate; one end of the cantilever beam is fixedly arranged at the top of the longitudinal counterforce frame, and the other end is located above the traction mechanism; the rear end of the cantilever beam is fixedly arranged at the top of the longitudinal counterforce frame, and the front end is located above the traction mechanism; the cantilever beam screw is provided with two groups, which are respectively threadedly connected with the front end of the cantilever beam; the supporting plate is located below the traction mechanism, and the two ends are respectively rotatably connected with the bottom of the two groups of cantilever beam screws.

[0013] Overall, compared with the prior art, the above technical scheme conceived by the present application can achieve the following beneficial effects:

[0014] (1) The traction positioning device of the present application can adjust the height of the coupler connecting body by rotating the screw and lifting the bearing seat, so as to adapt to different types of train traction operation and improve the versatility of the traction positioning.

[0015] (2) The traction positioning device of the present application can rotate within a certain range through the design of the ball hinge base, which provides the necessary rotational freedom for the train during the traction test, so as to simulate the complex traction conditions in actual operation.

[0016] (3) The traction positioning device of the present application can monitor the size change of the traction force in real time by transmitting the traction force value on the tension and pressure sensor arranged between the drawbar and the coupler connecting body, so as to provide data support for the traction experiment.

[0017] (4) The traction positioning device of the present application is simple in design, easy to install and operate, and has high popularization value. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The figure is a structural schematic view of a traction positioning device for train whole vehicle test in the embodiment of the present application.

[0019] In all the drawings, the same reference signs refer to the same technical features, in particular:

[0020] 1-Longitudinal counterforce frame, comprising: 101-Base plate, 102-Side plate, 103-Stiffener, 104-Top plate;

[0021] 2-Vertical guide rail mechanism, comprising: 201-Guide rail, 202-Sliding block, 203-Screw, 204-Hand wheel, 205-Bearing, 206-Bearing seat;

[0022] 3-Traction mechanism, comprising: 301-Spherical hinge seat, 302-Spherical hinge screw, 303-Spherical hinge flange end cover, 304-Traction rod, 305-First sensor connecting flange, 306-Tension and compression force sensor, 307-Second sensor connecting flange, 308-Coupler connecting body;

[0023] 4-Cantilever beam mechanism, comprising: 401-Cantilever beam, 402-Cantilever beam screw, 403-Cradle. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and are not used to limit the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0025] As Figure 1 shown, the utility model provides a kind of traction positioning device for train whole vehicle test, including longitudinal counterforce frame 1, vertical guide rail mechanism 2 and traction mechanism 3.The vertical guide rail mechanism 2 includes guide rail 201, sliding block 202 and screw 203, the sliding block 202 is vertically slid along guide rail 201, the screw 203 stem is threadedly connected with the top of longitudinal counterforce frame 1, and bottom is rotationally connected with sliding block 202.The traction mechanism 3 includes spherical hinge seat 301, spherical hinge screw 302 connected with the rear end of spherical hinge seat 301, traction rod 304 fixedly connected with the front end of spherical hinge screw 302, and coupler connecting body 308 connected with the front end of traction rod 304.The traction positioning device of the utility model, by rotating screw 203, sliding block 202 is driven to vertically lift, to adjust the height of coupler connecting body 308, to adapt to the traction operation of different models of train;By spherical hinge seat 301, the rotation of traction device in a certain range can be realized, and the traction device structure is simple, easy to install and operate, and has high popularization value.

[0026] In an embodiment of the utility model, the longitudinal reaction frame 1 is used to carry the vertical guide rail mechanism 2 and the traction mechanism 3, which includes a base plate 101, a side plate 102 vertically fixed on the base plate 101, a reinforcement plate 103 whose bottom and sides are vertically fixed to the base plate 101 and the side plate 102 respectively, and a top plate 104 fixed to the top of the side plate 102 and the reinforcement plate 103; further, a threaded hole is provided on the top plate 104, and a threaded connection between the top plate 104 and the screw 203 is realized through the threaded hole.

[0027] In an embodiment of the present invention, the vertical guide rail mechanism 2 is used to increase the vertical height of the traction mechanism 3 to be suitable for traction operations of different types of trains, and includes a guide rail 201, a slider 202, a screw 203, a handwheel 204, a bearing 205 and a bearing seat 206; wherein, the guide rail 201 is fixedly provided with a front end of a side plate 102 in the vertical direction, and two groups are provided; the two sides of the slider 202 are respectively slidably connected to the two groups of guide rails 201; the bearing seat 206 is fixedly provided on the top of the slider 202; the outer ring of the bearing 205 is fixedly connected to the bearing seat 206, and the inner ring is fixedly connected to the bottom of the screw 203; the handwheel 204 is fixedly connected to the top of the screw 203.

[0028] When the vertical guide rail mechanism 3 is performing the operation of raising the height of the traction mechanism 3, the operator rotates the hand wheel 204 to drive the screw 203 to rotate and lift; the slider 202 rotatably connected to the bottom of the screw 203 is lifted and lowered synchronously, and under the limiting action of the guide rail 201, the height is adjusted in the vertical direction, so that the traction mechanism 3 connected to the front end of the slider 202 is aligned with the train for traction operation.

[0029] In an embodiment of the present utility model, the traction mechanism 3 is used to tow a train, and includes a ball joint seat 301, a ball joint screw 302, a ball joint flange end cover 303, a traction rod 304 and a coupler connector 308; wherein, the ball joint seat 301 is fixedly arranged at the front end of the slider 202; the rear end of the ball joint screw 302 is connected to the ball joint seat 301 through the ball joint flange end cover 303, so that it can rotate with multiple degrees of freedom; the traction rod 304 is fixedly connected to the rear end of the screw 302; and the coupler connector 308 is connected to the front end of the traction rod 304.

[0030] Furthermore, in order to monitor the magnitude of the traction force during the test, a tension and pressure sensor 306 is provided between the traction rod 304 and the coupler connector 308. The rear end of the tension and pressure sensor 306 is fixedly connected to the front end of the traction rod 304 through a first sensor connecting flange 305, and the front end is fixedly connected to the rear end of the coupler connector 308 through a second sensor connecting flange 307.

[0031] Preferably, the longitudinal counter-force frame 1 top is further provided with a cantilever beam mechanism 4, which suspends the traction mechanism 3, facilitates the later disassembly of the traction mechanism 3, and comprises a cantilever beam 401, cantilever beam screws 402 and a supporting plate 403. The cantilever beam 401 is fixedly arranged at the rear end of the longitudinal counter-force frame 1 top, and the front end is located above the traction mechanism 3; the cantilever beam screws 402 are provided with two groups, which are threadedly connected with the front end of the cantilever beam 401; the supporting plate 403 is located below the traction mechanism 3, and the two ends are rotatably connected with the bottom of the two groups of cantilever beam screws 402. When disassembling the traction mechanism 3, the two groups of cantilever beam screws 402 are twisted, thereby driving the supporting plate 403 to rise, lifting the bottom of the traction mechanism 3, until it is in a horizontal state, avoiding the downward falling of the car coupler connecting body 308 and other components after the traction is disconnected, affecting the disassembly operation.

[0032] The traction positioning device of the utility model, when carrying out traction positioning experiment, according to the height of the traction seat of the train to be pulled, rotate hand wheel 204, drive screw 203 rotation to lift, thereby carry out the height adjustment of traction mechanism 3 vertical direction, make car coupler connecting body 308 with the traction seat of the train to be pulled flush to carry out traction operation;Through being provided with ball hinge seat 301, make car coupler connecting body 308 carry out the rotation of multiple degrees of freedom, thereby realize the rotation of traction train in certain range;Through the tension and compression force sensor 306 that is arranged between traction rod 304 and car coupler connecting body 308, the traction force value is uploaded, thereby the size change of traction force in the experiment process is monitored in real time.

[0033] The traction positioning device of the utility model, through the rotation of screw 203, bearing seat 206 can lift along the vertical direction, thereby adjusting the height of car coupler connecting body 308, to adapt to the traction operation of different models of trains, improve the general-purpose nature of traction positioning.

[0034] The traction positioning device of the utility model, through the design of ball hinge seat 301, the traction device can rotate within a certain range, which provides the necessary rotational degrees of freedom for the train in the traction test process, to simulate the complex traction conditions in actual operation.

[0035] The traction positioning device of the utility model, through the tension and compression force sensor 306 that is arranged between traction rod 304 and car coupler connecting body 308, the traction force value is uploaded, thereby the size change of traction force in the experiment process is monitored in real time, to provide data support for traction experiment.

[0036] The traction positioning device of the utility model is simple in design, easy to install and operate, and has high popularization value.

[0037] Those skilled in the art can understand that the above only describes the preferred embodiment of the present application, and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A traction positioning device for train vehicle testing, characterized in that: include: A longitudinal reaction frame (1), a vertical guide rail mechanism (2) and a traction mechanism (3); The vertical guide rail mechanism (2) is arranged at the front end of the longitudinal reaction frame (1), and includes a guide rail (201), a slider (202) and a screw rod (203); the slider (202) slides vertically along the guide rail (201); the screw rod (203) is threadedly connected to the top of the longitudinal reaction frame (1), and the bottom is rotatably connected to the slider (202); the traction mechanism (3) includes a ball joint seat (301) fixedly arranged at the front end of the slider (202), a ball joint screw rod (302) with a rear end connected to the ball joint seat (301), a traction rod (304) fixedly connected to the front end of the ball joint screw rod (302), and a coupler connector (308) connected to the front end of the traction rod (304).

2. A traction positioning device for train vehicle testing according to claim 1, characterized in that: The longitudinal reaction frame (1) comprises a bottom plate (101), a side plate (102) vertically fixed on the bottom plate (101), a reinforcing plate (103) whose bottom and side edges are respectively vertically fixedly connected to the bottom plate (101) and the side plate (102), and a top plate (104) fixed on the top of the side plate (102) and the reinforcing plate (103).

3. A traction positioning device for train vehicle testing according to claim 2, characterized in that: The top plate (104) is provided with a threaded hole, and the top plate (104) and the screw rod (203) are threadedly connected through the threaded hole.

4. A traction positioning device for a train vehicle test according to any one of claims 1 to 3, characterized in that: The vertical guide rail mechanism (2) further comprises a hand wheel (204), a bearing (205) and a bearing seat (206); wherein the bearing seat (206) is fixedly arranged on the top of the slider (202); the outer ring of the bearing (205) is fixedly connected to the bearing seat (206), and the inner ring is fixedly connected to the bottom of the screw (203); and the hand wheel (204) is fixedly connected to the top of the screw (203).

5. A traction positioning device for a train vehicle test according to any one of claims 1 to 3, characterized in that: The rear end of the ball joint screw (302) is connected to the ball joint seat (301) via the ball joint flange end cover (303), thereby enabling rotation with multiple degrees of freedom.

6. A traction positioning device for a train vehicle test according to any one of claims 1 to 3, characterized in that: A pulling and pressure sensor (306) is also provided between the traction rod (304) and the coupler connector (308) to monitor the magnitude of the traction force during the test.

7. A traction positioning device for train vehicle testing according to claim 6, characterized in that: The rear end of the tension and pressure sensor (306) is fixedly connected to the front end of the traction rod (304) via a first sensor connection flange (305), and the front end thereof is fixedly connected to the rear end of the coupler connector (308) via a second sensor connection flange (307).

8. A traction positioning device for a train vehicle test according to any one of claims 1 to 3, characterized in that: A cantilever beam mechanism (4) is further provided on the top of the longitudinal reaction frame (1), and the cantilever beam mechanism (4) comprises a cantilever beam (401), a cantilever beam screw (402) and a supporting plate (403); one end of the cantilever beam (401) is fixedly provided on the top of the longitudinal reaction frame (1), and the other end thereof is located above the traction mechanism (3); the rear end of the cantilever beam (401) is fixedly provided on the top of the longitudinal reaction frame (1), and the front end thereof is located above the traction mechanism (3); two groups of cantilever beam screws (402) are provided, and are respectively threadedly connected to the front end of the cantilever beam (401); the supporting plate (403) is located below the traction mechanism (3), and its two ends are respectively rotatably connected to the bottom of the two groups of cantilever beam screws (402).

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