CN217130160U - Wheel edge single-acting blade type retarder and passenger vehicle - Google Patents

Abstract

The utility model provides a wheel-side single-acting vane type retarder and a passenger car, which relate to the technical field of automobile parts, and the wheel-side single-acting vane type retarder comprises a shell, a single-acting vane rotor and retarding liquid; a working cavity is arranged in the shell, a liquid inlet and a liquid outlet which are communicated with the working cavity are arranged on the surface of the shell, the liquid inlet is connected with a liquid inlet pipe, and the liquid outlet is connected with a liquid outlet pipe; the shell is filled with the retarding liquid; the single-acting blade rotor is rotatably arranged in the shell, and the shell is fixedly arranged on the vehicle body and is positioned at a non-driving wheel. The utility model discloses but the direct mount is epaxial at the non-drive wheel of passenger car, under the structure of fixed casing and working chamber and single-action blade rotor, when making same space, the rotatory external diameter of single-action blade rotor is great, and this kind of structure can have great eccentricity and great operating pressure to obtain bigger retarding moment of torsion in order to promote the retarding effect.

Description

Wheel edge single-acting blade type retarder and passenger vehicle

Technical Field

The utility model relates to a passenger car part technical field particularly, relates to a wheel limit single-action vane type retarber and passenger car.

Background

In order to continuously reduce or maintain a stable vehicle speed and reduce or release the load of a driving brake for a long time while descending a slope, an auxiliary braking device such as a retarder is generally required to be additionally installed to an automobile which is frequently driven in a mountain area or a hilly area.

The conventional retarder is mainly placed at the torque output end of the gearbox and is connected with the gearbox in parallel or in series. According to different working principles, the automobile retarder can be divided into typical structural forms such as an engine retarding device, a hydraulic retarder, an electric turbine retarder, a motor retarding device and an aerodynamic retarding device. The conventional retarder is mainly a hydraulic retarder or a permanent magnet eddy current retarder, but the conventional retarder has large volume, and a passenger vehicle cannot use the conventional retarder.

Therefore, it is an important technical problem to be solved by those skilled in the art to provide a retarder with a small volume and capable of being applied to a passenger vehicle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wheel limit single-action vane type retarber and passenger car to alleviate among the prior art retarber volume too big, the technical problem of passenger car unable use.

The embodiment of the utility model provides a wheel edge single-acting blade type retarder, which comprises a shell, a single-acting blade rotor and retarding liquid; a working cavity is arranged in the shell, a liquid inlet and a liquid outlet which are communicated with the working cavity are arranged on the surface of the shell, the liquid inlet is connected with a liquid inlet pipe, and the liquid outlet is connected with a liquid outlet pipe; the shell is filled with the retarding liquid; the single-acting blade rotor is rotatably arranged in the shell, and the rotation center of the rotor is parallel to and does not coincide with the central shaft of the shell; the shell is fixedly arranged on the vehicle body and is positioned at the non-driving wheel, and the single-acting blade rotor can be in transmission connection with a wheel shaft of the non-driving wheel.

Further, the single-acting blade rotor comprises a rotating shaft, a rotor and at least three vanes; the rotor is arranged in the shell through the rotating shaft, and the rotating center of the rotating shaft is coincided with the rotating center of the rotor; the rotor is provided with a plurality of sliding grooves for accommodating the vanes.

Further, a plurality of chutes are uniformly arranged on the rotor.

Further, the device also comprises a support ring; the support rings are arranged in the working cavity and are positioned at two ends of the rotor; the support ring is abutted with one end of the vane; the center of rotation of the support ring coincides with the center of the housing.

Furthermore, an elastic piece is arranged at the bottom of the sliding groove, one end of the elastic piece is abutted against the bottom of the sliding groove, and the other end of the elastic piece is abutted against the wheel blade.

Further, the elastic member is a spring.

Further, the rotor is in transmission connection with the wheel shaft through a transmission gear set; the transmission gear set comprises a first gear connected with the rotor and a second gear fixedly arranged on a wheel shaft, and the first gear is meshed with the second gear.

Further, an internal spline is arranged on the rotor; and the first gear is provided with an external spline matched with the internal spline.

Further, the device also comprises an auxiliary pump and an oil tank; the liquid inlet pipe and the liquid outlet pipe are both connected with the auxiliary pump, and electromagnetic valves for controlling the on-off of the liquid inlet pipe and the liquid outlet pipe are arranged on the liquid inlet pipe and the liquid outlet pipe; the auxiliary pump is connected with the oil tank.

The embodiment of the utility model provides a still provide a passenger car, include: the non-driving wheel, the wheel shaft, the steering knuckle, the heat dissipation piece and the provided wheel-side single-acting blade type retarder are arranged on the front side of the vehicle body; the two sides of the wheel shaft are both connected with non-driving wheels, the joint of the non-driving wheels and the wheel shaft is provided with the steering knuckle, and one side of the steering knuckle, which is far away from the non-driving wheels, is provided with the wheel edge single-acting blade type retarder; the heat dissipation member is disposed on the surface of the housing.

Has the advantages that:

the wheel edge single-acting blade type retarder provided by the embodiment of the utility model comprises a shell, a single-acting blade rotor and retarding liquid; a working cavity is arranged in the shell, a liquid inlet and a liquid outlet which are communicated with the working cavity are arranged on the surface of the shell, the liquid inlet is connected with a liquid inlet pipe, and the liquid outlet is connected with a liquid outlet pipe; the shell is filled with the retarding liquid; the single-acting vane rotor is rotatably arranged in the shell, and the rotation center of the rotor is parallel to and does not coincide with the central shaft of the shell; the shell is fixedly arranged at a non-driving wheel on the vehicle body, and the single-acting blade rotor can be in transmission connection with a wheel shaft of the non-driving wheel.

Specifically, the utility model has compact structure and smaller volume, can be directly installed on the wheel shaft of the non-driving wheel of the passenger vehicle, when the vehicle brakes, the retardant liquid enters into the working cavity from the liquid inlet pipe, the single-acting vane rotor needs to stir the retardant liquid when rotating along with the wheel shaft of the non-driving wheel of the passenger vehicle, in the working cavity, the eccentric structure of the single-acting vane rotor and the shell ensures that the single-acting vane rotor forms two areas in the working cavity when rotating, wherein, the area with larger clearance between the single-acting vane rotor and the shell is the oil inlet area, the liquid inlet is arranged in the oil inlet area, the area with gradually smaller clearance is the oil pressure area, the liquid outlet is arranged in the oil pressure area, at the moment, the single-acting vane rotor drives the retardant liquid with larger volume to rotate to the smaller space from the larger space together, thereby generating resistance, forming retarding torque, and ensuring that the single-acting vane rotor receives the force opposite to the rotating direction, reach and slow down nonoculture blade rotor pivoted slow effect, the shaft transmission that is linked because of nonoculture blade rotor and the non-drive wheel of passenger car is linked, so this shaft of passenger car receives the rotational resistance equally, thereby reach the shaft pivoted effect that slows down the non-drive wheel of passenger car, and, under the structure of fixed casing and working chamber and nonoculture blade rotor, when making same space, the rotatory external diameter of nonoculture blade rotor is great, thereby obtain bigger slow down the moment of torsion in order to promote slow down the effect.

The embodiment of the utility model provides a wheel limit single-action vane type retarber and passenger car, wheel limit single-action vane type retarber casing, single-action vane rotor and retardant liquid compare with prior art and have foretell advantage, and here is no longer repeated.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a wheel-side single-acting blade retarder according to an embodiment of the present invention;

fig. 2 is a schematic view of a mounting position of the wheel-side single-acting blade retarder on a passenger vehicle according to an embodiment of the present invention.

Icon:

100-wheel-side single-acting vane retarder;

110-a housing;

120-a working chamber; 121-liquid inlet; 122-a liquid outlet;

130-a rotor; 131-an internal spline; 132-a support ring;

140-a vane;

200-a first gear; 300-non-driven wheels; 400-knuckle.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.

The wheel-side single-acting blade retarder 100 provided by the embodiment, as shown in fig. 1 and fig. 2, includes a housing 110, a single-acting blade rotor, and a retarder; a working cavity 120 is arranged in the shell 110, a liquid inlet 121 and a liquid outlet 122 which are communicated with the working cavity 120 are arranged on the surface of the shell 110, the liquid inlet 121 is connected with a liquid inlet pipe, and the liquid outlet 122 is connected with a liquid outlet pipe; the shell 110 is filled with a retarding liquid; the single-acting blade rotor is rotatably arranged in the shell 110, the shell 110 is fixedly arranged on the vehicle body and is positioned at the non-driving wheel 300, and the single-acting blade rotor can be in transmission connection with the wheel shaft of the non-driving wheel 300.

The utility model can be directly installed on the wheel shaft of the non-driving wheel 300 of the passenger vehicle, when the vehicle brakes, the retardant liquid enters into the working chamber 120 from the liquid inlet pipe, the single-acting vane rotor needs to stir the retardant liquid when rotating along with the wheel shaft of the non-driving wheel 300 of the passenger vehicle, the pressure change in the working chamber 120 causes the fluid medium to flow in the loop and generate larger resistance, in the working chamber 120, the eccentric structure of the single-acting vane rotor 130 and the shell 110 causes the single-acting vane rotor to form two areas in the working chamber 120 when rotating, wherein, the larger area of the gap between the single-acting vane rotor 130 and the shell 110 is the oil inlet area, the liquid inlet 121 is arranged in the oil inlet area, the area with gradually reduced gap is the oil pressing area, the liquid outlet 122 is arranged in the oil pressing area, at this time, because the single-acting vane rotor drives the retardant liquid with larger volume to rotate to the smaller space from the larger space, resistance is generated to form retarding torque.

And, if the liquid outlet 122 adopts the aperture throttle, can make the pressure of pressing the oil zone further grow, thus produce more resistance, form stronger retardation torque, make the single-acting vane rotor receive the power opposite to direction of rotation, reach the retardation effect of slowing down the single-acting vane rotor pivoted, because of the single-acting vane rotor is linked with the shaft transmission of the non-driven wheel 300 of passenger car, so this shaft of passenger car receives the rotational resistance equally, thus reach the effect of slowing down the shaft rotation of the non-driven wheel 300 of passenger car, and, under the structure of fixed casing 110 and working chamber 120 and single-acting vane rotor, in the same space, the rotatory external diameter of single-acting vane rotor is great, thus obtain bigger retardation torque in order to promote the retardation effect.

The retarding liquid can be a fluid with viscosity and lubricating effect, such as high-viscosity hydraulic oil or magnetorheological fluid.

And, after the slow braking is finished, the stagnant liquid in the working chamber 120 needs to be emptied, thereby reducing the load when the vehicle rotates, the stagnant liquid remained in the working chamber 120 does not generate resistance when the vehicle normally runs, and the single-acting vane rotor can be lubricated, thereby preventing the single-acting vane rotor from being worn in a non-lubricated state.

In the present embodiment, the single-acting blade rotor comprises a rotating shaft, a rotor 130 and at least three vanes 140; the rotor 130 is disposed in the housing 110 through a rotation shaft, a rotation center of the rotation shaft coincides with a rotation center of the rotor 130, and the rotation center of the rotor 130 is parallel to and does not coincide with the center of the housing 110; the rotor 130 is formed with a plurality of slots for receiving the vanes 140.

The rotor 130 is in an eccentric structure between the shells, so that when the same space is used, the rotating outer diameter of the rotor 130 is larger, the rotating track of the rotor 130 is larger, the volume of the compressed retardant liquid is increased, the resistance from the retardant liquid is stronger in the rotating process, the vane 140 is inserted on the rotor 130 through the chute, the retardant liquid enters the chute in the rotating process of the rotor 130, and when the rotor rotates to a pressure oil region, the vane 140 slides towards the bottom of the chute, the retardant liquid is extruded by the vane 140 and then discharged out of the chute, when the rotor 130 rotates, the vane 140 slides in the chute in a reciprocating manner under the action of centrifugal force, so that the retardant liquid is extruded and discharged by the vane 140 ceaselessly entering the chute, and when the retardant liquid is extruded and discharged by the vane 140, the advance of the rotor 130 is converted into the kinetic energy of the fan blades, and finally converted into the thermal energy of the retardant liquid, and the temperature of the retardant liquid is raised after being extruded, then the liquid is discharged from the working cavity 120 through the liquid outlet 122 for cooling, and enters the working cavity again through the liquid inlet after cooling.

Wherein, the effect is better when blade quantity is more than five, and in this embodiment, blade quantity is 7, and the slow speed effect is excellent, and sturdy structure, when the retarber size is great, can increase blade quantity according to the retarber volume.

Moreover, the sliding grooves can be irregularly arranged on the surface of the rotor 130, at the moment, the force applied to each position of the rotor 130 is uneven, the force applied to each direction cannot be offset during rotation, and the centrifugal force is increased after the rotation is accelerated, so that the resistance applied to the rotor 130 during rotation is larger, and the braking and retarding effect is better.

In the present embodiment, the plurality of sliding grooves are uniformly formed on the rotor 130.

After the plurality of sliding grooves are uniformly arranged, the rotor 130 is stressed uniformly in all directions, the situation of overlarge local stress is avoided, and the deformation of the rotor 130 and the rotating shaft due to uneven stress in the rotating process is avoided.

In this embodiment, a support ring 132 is further included; the support ring 132 is disposed in the working chamber 120 and located at both ends of the rotor; the support ring 132 abuts one end of the vane 140; the center of rotation of the support ring 132 coincides with the center of the housing 110.

The support ring 132 can support the bottom of the vane 140, so that one end of the vane 140 is kept in contact with the inner wall of the shell 110, and can limit the moving distance of the vane 140, when the vane 140 moves towards the rotor 130, the support ring 132 can block and limit the vane 140, so that the eccentric distance between the vane 140 and the shell 110 when the vane 140 rotates along with the rotor 130 can be controlled and adjusted by changing the swing angle of the support ring 132, the volume of the blocking liquid compressed by the vane 140 can be adjusted, and the volume of the blocking liquid extruded by the vane 140 in the sliding chute can be adjusted, and the adjustment of the torque and braking resistance can be further realized.

In this embodiment, the bottom of the sliding chute is provided with an elastic member, one end of the elastic member abuts against the bottom of the sliding chute, and the other end abuts against the vane 140.

The elastic member can keep the vane 140 in contact with the inner wall of the casing 110, so as to seal the oil inlet area and the oil pressing area and avoid pressure leakage caused by a large amount of blocked oil leaking from the oil pressing area to the oil inlet area.

In this embodiment, the elastic member is a spring.

The spring is low in overall manufacturing cost, easy to purchase, capable of effectively meeting the functions required by the elastic piece and quite durable.

In the present embodiment, the rotor 130 is in transmission connection with the wheel shaft through a transmission gear set; the transmission gear set comprises a first gear 200 connected with the rotor 130 and a second gear fixedly arranged on the wheel shaft, and the first gear 200 is meshed with the second gear.

The rotor 130 is meshed with a second gear on the wheel shaft through the first gear 200 to realize transmission, and the rotor 130 and the wheel shaft can be independently replaced when the gear is damaged through an external gear meshed transmission structure, so that subsequent maintenance is more convenient.

The first gear 200 and the second gear can specifically adopt a speed-increasing gear pair, so that the angular speed of the first gear 200 is greater than that of the second gear, and a larger retarder torque can be generated.

And, rotor 130 accessible mortise and tenon structure is connected with first gear 200, specifically can establish the mortise on rotor 130 to set up the tenon that matches with it on first gear 200, insert the tenon afterwards and accomplish the connection in the mortise, mortise and tenon structural connection mode installation simple, be convenient for maintain after the installation.

In the present embodiment, the rotor 130 is provided with an internal spline 131; the first gear 200 is provided with external splines adapted to the internal splines 131.

The rotor 130 is connected with the first gear 200 through a spline, so that the transmission effect is excellent after connection, the whole structure is stable, and the long-time practicability is facilitated.

In the embodiment, the device also comprises an auxiliary pump and an oil tank; the liquid inlet pipe and the liquid outlet pipe are both connected with the auxiliary pump, and electromagnetic valves for controlling the on-off of the liquid inlet pipe and the liquid outlet pipe are arranged on the liquid inlet pipe and the liquid outlet pipe; the auxiliary pump is connected with the oil tank.

The auxiliary pump can pump the retardation liquid into the pipeline from the oil tank during braking, then the retardation liquid enters the working cavity 120 through the oil inlet pipe, and after braking, the auxiliary pump can pump the retardation liquid in the pipeline and the working cavity 120 out and introduce the retardation liquid into the oil tank, so that the flow speed of the retardation liquid before and after braking is greatly increased, and the reaction speed of slow braking is increased.

The utility model also provides a passenger car, include: a non-driven wheel 300, an axle, a knuckle 400, a radiator and a wheel-side single-acting vane retarder 100; the two sides of the wheel shaft are both connected with non-driving wheels 300, a steering knuckle 400 is arranged at the connection part of the non-driving wheels 300 and the wheel shaft, and a wheel edge single-acting blade type retarder 100 is arranged on one side of the steering knuckle 400, which is far away from the non-driving wheels 300; the heat sink is disposed on the surface of the housing 110.

During slow braking, the working chamber 120 is filled with retarding liquid, the rotor 130 and the vanes 140 start to rotate in the retarding liquid under the driving of the wheel shaft, and the pressure change in the working chamber 120 causes the retarding liquid to flow in the circuit and generate large resistance, so that braking torque is generated. When the system is unloaded in idle load, the retardation liquid is pumped to be dry, the rotor 130 and the vane 140 idle along with the wheel shaft, and the residual retardation liquid lubricates the rotor 130 and the vane 140, so that the resistance loss of the wheel shaft is small.

During the process that the rotor 130 and the vanes 140 start to rotate in the retardation liquid under the driving of the wheel shaft, the kinetic energy is converted into the heat energy in the retardation liquid, and the heat sink dissipates the heat energy into the air through the air.

As an implementable mode, the utility model discloses when being applied to the vehicle of the great condition of braking force such as truck, the accessible carries out heat exchange with the cooling water, dispels the heat by engine water tank, perhaps adds a coolant tank in addition, and the heating water tank can be used to heat the driver's cabin winter.

As another practical way, the heat sink may employ a semiconductor refrigeration chip for air conditioning refrigeration in summer.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims (10)

1. A wheel-side single-acting vane retarder, comprising: a housing (110), a single acting vane rotor and a retardation fluid;

a working cavity (120) is arranged in the shell (110), a liquid inlet (121) and a liquid outlet (122) which are communicated with the working cavity (120) are arranged on the surface of the shell (110), the liquid inlet (121) is connected with a liquid inlet pipe, and the liquid outlet (122) is connected with a liquid outlet pipe;

the shell (110) is filled with the retarding liquid;

the single-acting vane rotor is rotatably arranged in the shell (110), and the rotation center of the single-acting vane rotor is parallel to and not coincident with the central shaft of the shell (110);

the shell (110) is fixedly arranged on the vehicle body and is positioned at the non-driving wheel, and the single-acting blade rotor can be in transmission connection with the wheel shaft of the non-driving wheel.

2. A wheel-edge single-acting blade retarder according to claim 1, characterized in that the single-acting blade rotor comprises a rotating shaft, a rotor (130) and at least three vanes (140);

the rotor (130) is arranged in the housing (110) by the rotation axis, the rotation center of the rotation axis coinciding with the rotation center of the rotor (130);

the rotor (130) is provided with a plurality of sliding grooves for accommodating the vanes (140).

3. A wheel-rim single-acting blade retarder according to claim 2, characterized in that a plurality of runners opens evenly on the rotor (130).

4. A wheel-edge single-acting vane retarder according to claim 2, further comprising a support ring (132);

the support ring (132) is arranged in the working cavity (120) and is positioned at two ends of the rotor;

the support ring (132) abuts one end of the vane (140);

the center of rotation of the support ring (132) coincides with the center of the housing (110).

5. A wheel-rim single-acting blade retarder according to claim 2, wherein the bottom of the sliding slot is provided with an elastic member, one end of which abuts against the bottom of the sliding slot and the other end of which abuts against the vane (140).

6. The wheel-rim single-acting blade retarder according to claim 5, wherein the elastic member is a spring.

7. A wheel-edge single-acting blade retarder according to claim 2, wherein the rotor (130) is in driving connection with the wheel axle through a drive gear set;

the transmission gear set comprises a first gear (200) connected with the rotor (130) and a second gear fixedly arranged on a wheel shaft, and the first gear (200) is meshed with the second gear.

8. A wheel-rim single-acting blade retarder according to claim 7, characterized in that the rotor (130) is provided with internal splines (131);

the first gear (200) is provided with an external spline matched with the internal spline (131).

9. The wheel-side single-acting blade retarder according to claim 1, further comprising an auxiliary pump and an oil tank;

the liquid inlet pipe and the liquid outlet pipe are both connected with the auxiliary pump, and electromagnetic valves for controlling the on-off of the liquid inlet pipe and the liquid outlet pipe are arranged on the liquid inlet pipe and the liquid outlet pipe;

the auxiliary pump is connected with the oil tank.

10. A passenger vehicle, comprising: a non-driven wheel (300), an axle, a knuckle (400), a radiator and a wheel-side single-acting blade retarder (100) according to any one of claims 1-5;

both sides of the wheel shaft are connected with non-driving wheels (300), the joint of the non-driving wheels (300) and the wheel shaft is provided with the steering knuckle (400), and one side of the steering knuckle (400) far away from the non-driving wheels (300) is provided with the wheel edge single-acting blade type retarder (100);

the heat dissipation member is arranged on the surface of the shell (110).

Images