CN212148400U - Modularization hydraulic pressure interconnection follower wheel limit motor mounting structure - Google Patents
Modularization hydraulic pressure interconnection follower wheel limit motor mounting structure Download PDFInfo
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- CN212148400U CN212148400U CN202020591711.1U CN202020591711U CN212148400U CN 212148400 U CN212148400 U CN 212148400U CN 202020591711 U CN202020591711 U CN 202020591711U CN 212148400 U CN212148400 U CN 212148400U
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Abstract
The invention provides a modular hydraulic interconnection follow-up wheel-side motor mounting structure, belongs to the technical field of vehicle suspension travel, realizes the equidirectional movement of a wheel-side motor and a suspension when a wheel greatly jumps, and provides a technical solution for prolonging the service life of a transmission half shaft of an armored vehicle and excavating the potential of the suspension travel. Under the working condition of small-amplitude wheel jumping, the position of a wheel edge motor is unchanged; when the wheel jumps up or down greatly, the piston rod on the integrated mounting support moves up and down along with the wheel jump, and then the wheel motor is driven to move up and down. The vertical installation position of the wheel-side motor is changed along with the travel of the suspension in the same direction, so that the working condition of the transmission half shaft is improved, and the potential of the travel of the suspension is excavated; the modular design concept is adopted structurally, modules are divided according to functions, and integrated design is adopted.
Description
Technical Field
The utility model belongs to the technical field of the vehicle suspension stroke, a wheel limit motor hydraulic pressure interconnection installation technique is related to, especially relate to a wheel limit motor armored vehicle large stroke suspension, short transmission semi-axis technique.
Background
The suspension travel is an important influence factor of the off-road maneuverability of the vehicle, and for armored vehicles, the larger the suspension travel is, the higher the off-road traveling performance is, so that the motion travel of the suspension system is improved as much as possible in the design of the suspension system. Besides the restriction of the overall layout on the motion space of the suspension system, the other restriction factor for improving the motion stroke of the suspension system is the performance of a transmission half shaft. Generally, the larger the suspension stroke and the shorter the transmission half shaft, the larger the inclination angle of the transmission half shaft, the shorter the service life of the transmission half shaft, and even the transmission half shaft exceeds the design inclination angle thereof, and the motion interference occurs, so that the suspension stroke design is restricted by the transmission half shaft. Under the condition of not changing the overall dimension of the vehicle, if a short transmission half shaft and a small inclination angle can be realized, the service life of related transmission parts can be effectively prolonged, the potential of suspension travel is excavated, and the effective use space of armored vehicles is increased.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a wheel-side motor mounting structure aiming at wheel-side motors which can be independently arranged and used, namely a modular hydraulic interconnection follow-up wheel-side motor mounting structure, so that the vertical mounting position of the wheel-side motor is changed along with the wheel jumping position, the inclination angle of a transmission half shaft is always kept in a small range, the problems are solved, and the comprehensive performance of a vehicle is improved. At present, the known technology has no design aiming at the change of the wheel-side motor installation position along with the wheel jumping position.
The invention provides a suspension and wheel-side motor matching mounting structure, namely a modular hydraulic interconnection follow-up wheel-side motor mounting structure, which realizes the equidirectional movement of a wheel-side motor and a suspension when a wheel greatly jumps, and provides a technical solution for prolonging the service life of a transmission half shaft of an armored vehicle and excavating the stroke potential of the suspension.
The technical scheme of the invention is as follows: a modular hydraulic interconnection follow-up wheel-side motor mounting structure comprises an oil-gas spring and a wheel-side motor; a piston cylinder of the hydro-pneumatic spring is fixed with the vehicle body, and the wheel reduction mechanism is connected with a wheel motor through a transmission half shaft; the valve is characterized by further comprising an integrated bracket, a valve body and an integrated mounting support; the integrated mounting support is fixed through an integrated bracket; the integrated bracket is fixed on the vehicle body; the wheel edge motor is connected with a piston rod of the integrated mounting support and can move along with the integrated mounting support; a plurality of positions on a plane parallel to a bottom deck of the vehicle body on the wheel edge motor are respectively connected with the end parts of a plurality of piston rods of the integrated mounting support, and the axis of the piston rod of the integrated mounting support is vertical to a mounting plane parallel to the bottom deck of the vehicle body of the wheel edge motor; the upper end of the integrated mounting support is connected with the wheel-side motor, and the lower end of the integrated mounting support is connected with the vehicle body; a piston rodless cavity of the integrated mounting support is connected with an oil outlet of the valve body through an oil pipe; the valve body is a pressure switch valve with two passages; the valve body is provided with an oil inlet and an oil outlet, the rodless cavity of the hydro-pneumatic spring is connected with the oil inlet of the valve body, two pressure control valves are arranged inside the valve body, when the pressure is greater than the upper limit value, an oil way of a pressure control valve inside the valve body is connected, and an oil way of a pressure control valve II is disconnected; when the pressure is smaller than the lower limit value, the first pressure control valve oil way in the valve body is disconnected, the second pressure control valve oil way is connected, and when the pressure is between the upper limit value and the lower limit value, the two pressure control valve oil ways are disconnected.
Preferably, the integrated mounting bracket further comprises a suspension guide device, and the suspension guide device and the integrated mounting bracket are fixed through an integrated bracket; and a piston rod of the hydro-pneumatic spring is fixed with the suspension guide device.
Preferably, the suspension guide device comprises an upper cross arm, a lower cross arm and a steering knuckle; the lower cross arm is fixed with the piston rod end of the hydro-pneumatic spring, one end of the lower cross arm and one end of the upper cross arm are both connected with the integrated bracket, and the other ends of the lower cross arm and the upper cross arm are connected through a steering knuckle; the hub reduction mechanism is connected with the steering knuckle.
Preferably, each end of the piston rod on the integrated mounting support is provided with an internal thread, and the wheel-side motor is fixedly connected with the piston rod of the integrated mounting support through a bolt.
Preferably, the valve body is fixed on the hydro-pneumatic spring through a threaded interface.
Preferably, the integrated mounting support integrates four piston hydraulic cylinders, the four rodless cavities are communicated through internal oil passages, and a connecting oil port is arranged outside the integrated mounting support and is connected with an oil outlet of the valve body through an oil pipe.
Preferably, the integral support is tailor welded, cast or bolted together.
Preferably, the suspension guide is a double wishbone, or a mike suspension.
Preferably, the valve body is fixed to an integrated mounting support or is arranged on the vehicle body.
Preferably, the number of integrated mounting bracket hydraulic cylinders can be any number.
The invention has the advantages that:
a modularized hydraulic interconnection follow-up wheel-side motor mounting structure enables the vertical mounting position of a wheel-side motor to change along with the same direction of the stroke of a suspension, so that the working condition of a transmission half shaft is improved, and the potential of the stroke of the suspension is excavated; the modular design concept is adopted structurally, modules are divided according to functions, and integrated design is adopted.
1. The suspension stroke is not restricted by the transmission half shaft, and the large stroke can be realized;
2. the inclination angle of the transmission half shaft is small, so that the service life and the transmission efficiency of the transmission half shaft are favorably prolonged;
3. the structure adopts a modularized and integrated design idea, and is convenient to maintain;
4. the short transmission half shaft can be adopted under the condition of large suspension stroke, so that the whole vehicle arrangement is facilitated, and the internal space of the vehicle is improved.
Drawings
FIG. 1 is a technical diagram of a modular hydraulic interconnection follower wheel-side motor installation of the present invention;
FIG. 2 Integrated Mount support sectional view
FIG. 3 is a schematic diagram of the installation of a single-wheel interconnected follow-up wheel-side motor
Integration support 1, guider 2, integrated installing support 3, hydro-pneumatic spring 4, integrated valve 5, wheel edge motor 6, bolt 7
Detailed Description
The present invention is further described below.
The invention relates to a modular hydraulic interconnection follow-up wheel-side motor mounting structure which adopts a suspension hydro-pneumatic spring to be hydraulically interconnected with a wheel-side motor mounting auxiliary seat. The integrated oil-gas spring suspension device is composed of an oil-gas spring, an integrated mounting support, a valve body, a wheel-side motor, an integrated support, a suspension guide device and a connecting pipeline.
The suspension guide device and the mounting support are fixed on the integrated support through bolts, the hydro-pneumatic spring is fixed on the control arm through bolts, and the wheel-side motor is fixed with the mounting support through bolts.
The valve body is fixed on the hydro-pneumatic spring through a threaded connector. The valve body is provided with an oil inlet and an oil outlet, the rodless cavity of the hydro-pneumatic spring is connected with the oil inlet of the valve body, two pressure control valves are arranged inside the valve body, when the pressure is greater than the upper limit value, an oil way of a pressure control valve inside the valve body is connected, and an oil way of a pressure control valve II is disconnected; when the pressure is smaller than the lower limit value, the first pressure control valve oil way in the valve body is disconnected, the second pressure control valve oil way is connected, and when the pressure is between the upper limit value and the lower limit value, the two pressure control valve oil ways are disconnected.
The integrated mounting support integrates four piston type hydraulic cylinders, the four rodless cavities are communicated through internal oil paths, a connecting oil port is arranged outside the integrated mounting support and is communicated with the internal oil paths, a second oil port is communicated with a second oil path, and the oil port of the integrated mounting support is connected with the oil outlet of the valve body through an oil pipe; an internal thread is arranged at the end part of each piston rod on the integrated mounting support, and the wheel-side motor is fixedly connected with the piston rods of the integrated mounting supports through bolts.
Under the working condition of small-amplitude wheel jumping, the position of a wheel edge motor is unchanged; when the wheel jumps up or down greatly, the piston rod on the integrated mounting support moves up and down along with the wheel jump, and then the wheel motor is driven to move up and down.
When the vehicle runs on a good road surface, the wheels jump slightly, two pressure control valve oil ways in the valve body are disconnected, the position of the integrated mounting support piston rod is kept unchanged, and the vertical position of the wheel side motor is unchanged; when a vehicle runs in a severe working condition, when wheels jump upwards to a certain position, the pressure of an oil cylinder is increased, an oil way of a pressure control valve inside an integrated valve body is communicated, part of oil in a rodless cavity of an oil-gas spring flows into a rodless cavity of an integrated mounting support, and a piston moves upwards to drive a wheel-side motor to move upwards; when the wheel jumps downwards to a certain position, the pressure of the oil cylinder is reduced, the two oil ways of the pressure control valve inside the integrated valve body are communicated, part of oil in the rodless cavity of the integrated mounting support flows into the rodless cavity of the hydro-pneumatic spring, and the piston moves downwards to drive the wheel edge motor to move downwards. All the components are divided into modules according to functions, and the modules structurally adopt an integrated design to form unit modules with independent functions one by one, and all the modules adopt bolt interfaces which are easy to disassemble and assemble.
The invention is further described below with reference to the accompanying drawings.
According to the attached drawings 1 and 2, the modularized hydraulic interconnection follow-up wheel-side motor mounting structure comprises an integrated support 1, a suspension guide device 2, an integrated mounting support 3, an oil-gas spring 4, an integrated valve 5, a wheel-side motor 6, bolts 7, 8, 9 and 10 and a pipeline 11. The integrated bracket 1 can be welded, cast or bolted into a whole.
The integrated bracket 1 is provided with a suspension guide device 2 and an integrated mounting support 3 interface; the guide device 2 and the integrated mounting support 3 are fixed with the integrated bracket 1 through bolts 7 and 8. The piston cylinder of the hydro-pneumatic spring 4 is fixed with the vehicle body. The hydro-pneumatic spring 4 is fixed with the suspension guide device 2 through a bolt 9, a threaded oil port is formed in a rodless cavity of the hydro-pneumatic spring 4, and an oil inlet of the integrated valve 5 is inserted into an oil outlet of the rodless cavity of the hydro-pneumatic spring 4 through threads of the integrated valve. The integration valve 5 is a pressure switching valve having two passages.
The integrated bracket 1 is fixed with the vehicle body, and the suspension guide device 2 is fixed on the integrated bracket 1.
The suspension guide 2 may be a double wishbone, a wheat suspension, or other form of suspension guide.
The suspension guide device 2 comprises an upper cross arm, a lower cross arm and a steering knuckle; the lower cross arm is fixed with a piston rod end of the hydro-pneumatic spring 4, one end of the lower cross arm and one end of the upper cross arm are both connected with the integrated bracket 1, and the other end of the lower cross arm and the other end of the upper cross arm are fixed with a steering knuckle; the upper cross arm and the lower cross arm are connected through a steering knuckle, and the wheel side speed reducing mechanism is fixed with the steering knuckle.
The number of the hydraulic cylinders of the integrated mounting support 3 can be any number.
The hydro-pneumatic spring 4 can be a single-chamber, double-chamber, integrated, split, upper and lower chamber interconnected or any other type of hydro-pneumatic spring. It is within the scope of the present invention that the integral valve 5 may be eliminated and the hydro-pneumatic spring directly connected to the integral mounting support 3. The integrated support 1, the integrated mounting support 3 and the integrated valve 5 are all integrated in design.
The integrated valve 5 can be fixed on the hydro-pneumatic spring 4, the integrated mounting support 3 or arranged on the vehicle body through a pipeline.
The right end of the transmission half shaft is connected with a wheel edge motor 6; the left end of the transmission half shaft is connected with a hub reduction mechanism. The wheel edge motor 6 is connected with a piston rod of the integrated mounting support 3 and can move along with the integrated mounting support 3; a plurality of (four) positions on the plane parallel to the bottom deck of the vehicle body on the wheel edge motor are respectively connected with the end parts of a plurality of (four) piston rods of the integrated mounting support 3. The axis of a piston rod of the integrated mounting support 3 is vertical to a mounting plane of the wheel-side motor parallel to a bottom deck of the vehicle body; the upper end of the integrated mounting support 3 is connected with a wheel edge motor 6; the lower end is connected with the vehicle body.
The mounting support is provided with four piston type hydraulic cylinders, an internal thread is arranged at the end part of each piston rod, the wheel-side motor 6 is fixedly connected with the piston rod of the mounting support through a bolt 10, an oil port is arranged outside the mounting support, and the oil port is connected with an oil outlet of the integration valve 5 through a pipeline 11.
The working principle of the invention is illustrated by taking the installation of a single-wheel-position interconnected follow-up wheel-side motor as an example as shown in the attached figure 3: the wheel jumps upwards, the oil cylinder spring 4 is compressed, the oil cylinder pressure is increased, when the oil cylinder pressure reaches a certain value, a valve oil way in the integrated valve 5 is communicated, the oil way forms a loop, part of oil liquid of the oil gas spring flows into four rodless cavities of the integrated mounting support 3, the oil liquid pushes a piston rod to move upwards to drive the wheel-side motor 6 to move upwards, at the moment, both ends of the half shaft are driven to move upwards, and the inclination angle increase amount of the half shaft is reduced; when the wheel jumps downwards, the oil cylinder spring is restored, the oil cylinder pressure is reduced, when the oil cylinder pressure is lower than a certain value, the oil circuit of the valve II in the integrated valve is communicated, part of oil in the four rodless cavities of the oil-gas spring integrated mounting support 3 flows into the rodless cavities of the oil-gas spring, the piston rod moves downwards to drive the wheel-side motor to move downwards, at the moment, the two ends of the half shaft are driven to move downwards, and the inclination angle increase amount of the half shaft is reduced.
It is within the scope of the present invention to add any functionality to the sensor based on the present invention.
Claims (10)
1. A modular hydraulic interconnection follow-up wheel-side motor mounting structure comprises an oil-gas spring (4) and a wheel-side motor; a piston cylinder of the hydro-pneumatic spring (4) is fixed with the vehicle body, and the wheel reduction mechanism is connected with a wheel motor through a transmission half shaft;
the valve is characterized by further comprising an integrated support (1), a valve body and an integrated mounting support (3); the integrated mounting support (3) is fixed through the integrated bracket (1); the integrated bracket is fixed on the vehicle body;
the wheel edge motor (6) is connected with a piston rod of the integrated mounting support (3) and can move along with the integrated mounting support (3); a plurality of positions on a plane parallel to a bottom deck of the vehicle body on the wheel edge motor are respectively connected with the end parts of a plurality of piston rods of the integrated mounting support (3), and the axis of the piston rod of the integrated mounting support (3) is vertical to the mounting plane parallel to the bottom deck of the vehicle body of the wheel edge motor;
the upper end of the integrated mounting support (3) is connected with a wheel-side motor (6), and the lower end of the integrated mounting support is connected with a vehicle body; a piston rodless cavity of the integrated mounting support is connected with an oil outlet of the valve body through an oil pipe;
the valve body is a pressure switch valve with two passages; the valve body is provided with an oil inlet and an oil outlet, the rodless cavity of the hydro-pneumatic spring is connected with the oil inlet of the valve body, two pressure control valves are arranged inside the valve body, when the pressure is greater than the upper limit value, an oil way of a pressure control valve inside the valve body is connected, and an oil way of a pressure control valve II is disconnected; when the pressure is smaller than the lower limit value, the first pressure control valve oil way in the valve body is disconnected, the second pressure control valve oil way is connected, and when the pressure is between the upper limit value and the lower limit value, the two pressure control valve oil ways are disconnected.
2. The modular hydraulic interconnection follow-up wheel motor mounting structure according to claim 1, further comprising a suspension guide device (2), wherein the suspension guide device (2) and the integrated mounting support (3) are fixed through an integrated bracket (1); a piston rod of the hydro-pneumatic spring (4) is fixed with the suspension guide device (2).
3. The modular hydraulic interconnection slave wheel side motor mounting structure as claimed in claim 1, wherein the suspension guide means comprises an upper cross arm, a lower cross arm, a knuckle; the lower cross arm is fixed with the piston rod end of the hydro-pneumatic spring, one end of the lower cross arm and one end of the upper cross arm are both connected with the integrated bracket, and the other ends of the lower cross arm and the upper cross arm are connected through a steering knuckle; the hub reduction mechanism is connected with the steering knuckle.
4. The modular hydraulic interconnection follower wheel-side motor mounting structure as claimed in claim 1, wherein an internal thread is formed at the end of each piston rod on the integrated mounting support, and the wheel-side motor is fixedly connected with the piston rod of the integrated mounting support through a bolt.
5. The modular hydraulic interconnection follower wheel-side motor mounting structure as claimed in claim 1, wherein the valve body is fixed to the hydro-pneumatic spring through a threaded interface.
6. The mounting structure of a modular hydraulic interconnection follow-up wheel-side motor as claimed in claim 1, wherein the integrated mounting support integrates four piston-type hydraulic cylinders, the four rodless cavities are communicated through internal oil passages, and a connecting oil port is arranged outside the integrated mounting support and is connected with the oil outlet of the valve body through an oil pipe.
7. The modular hydraulic interconnection follower wheel-side motor mounting structure as claimed in claim 1, wherein the integrated bracket is one of tailor welded, cast or bolted.
8. A modular hydraulically interconnected trailing wheel edge motor mounting arrangement as claimed in claim 1, wherein the suspension guide is a double wishbone, or a wheat suspension.
9. The modular hydraulically interconnected follower wheel-side motor mounting structure as claimed in claim 1, wherein the valve body is fixed to the integrated mounting bracket or is disposed on the vehicle body.
10. The modular hydraulic interconnection follower wheel-side motor mounting structure as claimed in claim 1, wherein the number of the integrated mounting support hydraulic cylinders can be any number.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020591711.1U CN212148400U (en) | 2020-04-20 | 2020-04-20 | Modularization hydraulic pressure interconnection follower wheel limit motor mounting structure |
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| CN202020591711.1U CN212148400U (en) | 2020-04-20 | 2020-04-20 | Modularization hydraulic pressure interconnection follower wheel limit motor mounting structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112572132A (en) * | 2020-12-31 | 2021-03-30 | 黎常清 | High-stability wheel-side motor and using method thereof |
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2020
- 2020-04-20 CN CN202020591711.1U patent/CN212148400U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112572132A (en) * | 2020-12-31 | 2021-03-30 | 黎常清 | High-stability wheel-side motor and using method thereof |
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