New energy highway-railway dual-purpose tractor guiding device

Abstract

The utility model discloses a new energy highway-railway dual-purpose tractor guide device in the field of tractors, which comprises a wheel axle and guide wheels arranged at two ends of the wheel axle, a bearing seat is arranged on the periphery of the wheel axle and positioned on one side of the guide wheels, and a movable square rod is fixedly connected to the top of the bearing seat. A guide base is slidably connected to the periphery of the movable square rod, a lifting hydraulic cylinder is fixedly connected to the top of the guide base, and a fixing block is fixedly connected to one side wall of the lifting hydraulic cylinder. The spherical supporting seat, the guide wheel and the elastic supporting leather cushion are arranged between the wheel shaft and the guide wheel, so that the guide wheel can be supported by the spherical supporting seat and can be finely adjusted at any angle under the support of a track so as to be matched with the tiny turning direction of the track; the guide wheel can be effectively prevented from being in hard contact when a track slightly turns, abrasion of the guide wheel is effectively reduced, and durability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of tractor, concretely is a new energy public railway dual -purpose tractor machine guide device. BACKGROUND

[0002] The public railway dual -purpose tractor is a kind of special vehicle widely used in railway special line and railway vehicle overhaul manufacturing enterprise, mainly used for track vehicle traction, shunting operation, also can be used as track engineering machinery when new line construction and later maintenance. With the development of new energy technology, new energy public railway dual -purpose tractor machine has also been developed, when tractor works, it needs to set up guide device to match guide rail movement, to realize orientation, but the guide device of the existing new energy public railway dual -purpose tractor machine when using, the gap between the guide wheel and the wheel shaft is not generally provided with the function of fine adjustment steering, when encountering small turning of track, the guide wheel and track hard friction, can accelerate wear, and the guide device also does not have the damping structure of lifting, once the local height of guide rail or two guide rails changes, a guide wheel will be separated from guide rail, there is security risk. Therefore, the technical personnel in the art provides a new energy public railway dual -purpose tractor machine guide device to solve the problems raised in the above background technology. SUMMARY

[0003] The utility model aims at providing a new energy public railway dual -purpose tractor machine guide device to solve the problems raised in the above background technology.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A new energy public railway dual -purpose tractor machine guide device, including wheel shaft and the guide wheel being set at the both ends of wheel shaft, the bearing seat is set on the one side of the guide wheel on the periphery of wheel shaft, the movable square bar is fixedly connected on the top of bearing seat, the guide base is slidably connected on the periphery of movable square bar, the lifting hydraulic cylinder is fixedly connected on the top of guide base, the fixed block is fixedly connected on the side wall of lifting hydraulic cylinder, the fixed block is fixedly connected with the mounting plate on the side away from lifting hydraulic cylinder, and the mounting hole for being connected with new energy public railway dual -purpose tractor is formed on the periphery of mounting plate.

[0006] The spherical support seat is fixedly connected at the both ends of wheel shaft at the guide wheel, the spherical cavity that is matched with the spherical surface of spherical support seat is formed in the inner wall of guide wheel, the limiting boss for limiting is integrally formed on the both ends of spherical support seat on guide wheel, and the elastic support skin pad is filled in the gap between limiting boss, spherical support seat and wheel shaft.

[0007] As a further scheme of the utility model: the wheel shaft is rotatably connected with the bearing seat through double-row roller bearing.

[0008] As a further scheme of the utility model: the arc-shaped groove is arranged on the side wall of the guide base, the positioning pin is fixedly connected above the arc-shaped groove on the side wall of the guide base, and the limiting block for limiting is arranged on the side wall of the movable square bar and matched with the arc-shaped groove.

[0009] As a further scheme of the utility model: the telescopic end of the lifting hydraulic cylinder is fixedly connected with the fixed block one after penetrating through the guide base, the fixed block one and the inner hole of the guide base have a gap, the fixed block two is fixedly connected in the inner hole of the movable square bar, the damping connecting rod is fixedly connected between the fixed block one and the fixed block two, and the spring is clamped and pressed between the fixed block one and the fixed block two on the periphery of the damping connecting rod.

[0010] As a further scheme of the utility model: the elastic supporting leather pad and the sealing ring are all selected from corrosion-resistant rubber.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1、The utility model discloses a ball-shaped supporting seat, a guide wheel and an elastic supporting leather pad are arranged between the wheel shaft and the guide wheel, can ensure that the guide wheel can be supported under the ball-shaped supporting seat, can ensure that the guide wheel is finely adjusted at any angle under the support of the track, matches the slight turning of the track, can effectively avoid the hard contact of the guide wheel when the track is slightly turned, effectively reduces the abrasion of the guide wheel and improves the durability.

[0013] 2、The utility model discloses a spring for providing elastic supporting force for the movable square bar, and the damping connecting rod provides elastic damping, and then can provide elastic supporting force with damping effect for the cooperation of the guide wheel and the guide rail, can effectively solve the problem that the two guide wheels 7 cannot contact the guide rail simultaneously when the local guide rail is not flat or the two guide rails are not horizontal, can ensure that the guide wheel can perfectly adhere to the guide rail and rotate, and improves the use effect. ACCURATE DRAWINGS

[0014] Fig. 1 It is the structural schematic diagram of the utility model;

[0015] Fig. 2 It is the partial sectional view of the spring part in the utility model;

[0016] Fig. 3 It is the sectional structure view of the guide wheel part in the utility model;

[0017] Fig. 4 It is the utility model Fig. 3 The partial enlarged view of B in the utility model.

[0018] In the figure: 1, wheel axle; 2, bearing seat; 3, lifting hydraulic cylinder; 4, limiting block; 5, fixed block; 6, mounting plate; 601, mounting hole; 7, guide wheel; 701, spherical cavity; 702, limiting boss; 8, spherical support seat; 9, guide base; 901, fixed block one; 902, arc-shaped groove; 903, positioning pin; 10, movable square bar; 1001, fixed block two; 11, damping connecting rod; 12, spring; 13, elastic support leather pad. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Please refer to Figs. 1-4 In the embodiments of the utility model, a new energy public and private vehicle towing machine guide device comprises a wheel axle 1 and guide wheels 7 arranged at both ends of the wheel axle 1, a bearing seat 2 is arranged on one side of the guide wheels 7 outside the wheel axle 1, a movable square bar 10 is fixedly connected to the top of the bearing seat 2, a guide base 9 is slidably connected to the outer periphery of the movable square bar 10, a lifting hydraulic cylinder 3 is fixedly connected to the top of the guide base 9, a fixed block 5 is fixedly connected to one side wall of the lifting hydraulic cylinder 3, a mounting plate 6 is fixedly connected to the side, away from the lifting hydraulic cylinder 3, of the fixed block 5, and mounting holes 601 for connecting the new energy public and private vehicle towing machine are formed in the outer periphery of the mounting plate 6.

[0021] Spherical support seats 8 are fixedly connected to both ends of the wheel axle 1 at the guide wheels 7, spherical cavities 701 matched with the spherical surfaces of the spherical support seats 8 are formed in the inner walls of the guide wheels 7, limiting bosses 702 for limiting are integrally formed at both ends of the spherical support seats 8 on the guide wheels 7, elastic support leather pads 13 are filled in the gaps between the limiting bosses 702, the spherical support seats 8 and the wheel axle 1, and the elastic support leather pads 13 and the sealing rings are both made of corrosion-resistant rubber.

[0022] By adopting the above technical solution, it can be installed at the front and rear of the new energy road-rail dual-purpose traction vehicle. Then, by controlling the action of the lifting hydraulic cylinder 3, the wheel axle 1 and guide wheel 7 can be pushed downward, so that the guide wheel 7 is just locked on the track to achieve guidance, which can ensure the smooth operation of the traction vehicle. By setting a spherical support seat 8, guide wheel 7 and elastic support pad 13 between the wheel axle 1 and the guide wheel 7, it can be ensured that the guide wheel 7 can be finely adjusted at any angle under the support of the spherical support seat 8 and the track to match the slight turning of the track. This can effectively avoid the guide wheel 7 making hard contact when the track turns slightly, effectively reduce the wear of the guide wheel 7 and improve its durability.

[0023] The axle 1 and the bearing housing 2 are rotatably connected by a double-row roller bearing, which ensures that the axle 1 can rotate flexibly.

[0024] Among them, the bottom of the side wall of the guide base 9 is provided with an arc groove 902, and a positioning pin 903 is fixedly connected to the side wall of the guide base 9 above the arc groove 902. A limiting block 4 for limiting is fixedly connected to the side wall of the movable square rod 10, which cooperates with the arc groove 902 and can play a limiting role after the telescopic rod of the lifting hydraulic cylinder 3 retracts.

[0025] Among them, the telescopic end of the lifting hydraulic cylinder 3 passes through the guide base 9 and is fixedly connected to a fixing block 901. There is a gap between the fixing block 901 and the inner hole of the guide base 9. The inner hole of the movable square rod 10 is fixedly connected to a fixing block 1001. A damping link 11 is fixedly connected between the fixing block 901 and the fixing block 1001. A spring 12 is clamped around the damping link 11 between the fixing block 901 and the fixing block 1001.

[0026] By adopting the above technical solution, the spring 12 can provide elastic support for the movable square rod 10, and the damping link 11 can provide elastic damping. In this way, the guide wheel 7 can be provided with a damping elastic support for the cooperation between the guide wheel 7 and the guide rail. This can effectively solve the problem that the guide wheels 7 on both sides cannot contact the guide rail at the same time when the guide rail is uneven or the two guide rails are not horizontal. It can ensure that the guide wheel 7 can perfectly fit the guide rail and rotate, thus improving the performance.

[0027] The working principle of the utility model is: in use, the guiding device is installed in front and back of the new energy truck-train dual-purpose tractor after screwing through the mounting hole 601, then the lifting hydraulic cylinder 3 is connected with the reversing valve and the console of the new energy truck-train dual-purpose tractor, the reversing valve action can be controlled through the console, and then the lifting movement of the lifting hydraulic cylinder 3 is controlled, when the new energy truck-train dual-purpose tractor moves to the track directly above, the lifting hydraulic cylinder 3 is controlled to act through the console, the wheel shaft 1 and the guide wheel 7 are pushed to move downward, so that the guide wheel 7 is just clamped on the track to realize guiding, and the stable operation of the tractor can be ensured.

[0028] The above is only the preferred embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A new energy truck and bus tractor machine guide device, comprising an axle (1) and guide wheels (7) arranged at both ends of the axle (1), characterized in that: The axle (1) is provided with a bearing seat (2) on one side of the guide wheel (7), the top of the bearing seat (2) is fixedly connected with a movable square bar (10), the outer periphery of the movable square bar (10) is slidably connected with a guide base (9), the top of the guide base (9) is fixedly connected with a lifting hydraulic cylinder (3), one side wall of the lifting hydraulic cylinder (3) is fixedly connected with a fixed block (5), the fixed block (5) is fixedly connected with a mounting plate (6) away from the lifting hydraulic cylinder (3), and the mounting plate (6) is provided with a mounting hole (601) for connecting with a new energy public and railway combined tractor. The both ends of the axle (1) are fixedly connected with a spherical support base (8) at the guide wheel (7), a spherical cavity (701) matched with the spherical surface of the spherical support base (8) is formed in the inner wall of the guide wheel (7), and limiting bosses (702) for limiting are integrally formed on both ends of the spherical support base (8) on the guide wheel (7), and elastic support pads (13) are filled in the gaps between the limiting bosses (702), the spherical support base (8) and the axle (1).

2. The new energy truck guiding device according to claim 1, characterized in that: The axle (1) and the bearing seat (2) are rotatably connected through double-row roller bearings.

3. The new energy truck guiding device according to claim 1, characterized in that: An arc-shaped groove (902) is formed in the bottom of the side wall of the guide base (9), a positioning pin (903) is fixedly connected to the side wall of the guide base (9) above the arc-shaped groove (902), and a limiting block (4) for limiting is fixedly connected to the side wall of the movable square bar (10) and matched with the arc-shaped groove (902).

4. The new energy truck guiding device according to claim 1, characterized in that: The telescopic end of the lifting hydraulic cylinder (3) is fixedly connected with a fixed block one (901) after penetrating through the guide base (9), there is a gap between the fixed block one (901) and the inner hole of the guide base (9), a fixed block two (1001) is fixedly connected in the inner hole of the movable square bar (10), a damping connecting rod (11) is fixedly connected between the fixed block one (901) and the fixed block two (1001), and springs (12) are clamped between the outer periphery of the damping connecting rod (11), the fixed block one (901) and the fixed block two (1001).

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