CN203308971U

CN203308971U - Mechanical adjustable pressurizing hydraulic turbine retarder with improved structure

Info

Publication number: CN203308971U
Application number: CN2013202570848U
Authority: CN
Inventors: 区聘维; 彭燕飞
Original assignee: Foshan Shunchean Automobile Parts Technology Co Ltd
Current assignee: Foshan Shunchean Automobile Parts Technology Co Ltd
Priority date: 2013-05-12
Filing date: 2013-05-12
Publication date: 2013-11-27
Anticipated expiration: 2023-05-12

Abstract

The utility model relates to a mechanical adjustable pressurizing hydraulic turbine retarder with an improved structure. The mechanical adjustable pressurizing hydraulic turbine retarder comprises a shell (1), a transmission spindle (2), a braking structure (3) and an oil path structure. The shell (1) is provided with a water cooling system, and is connected with the transmission spindle (2) through a bearing (4) or is directly connected with the transmission spindle (2); the braking structure (3) is located in a working cavity (6). The mechanical adjustable pressurizing hydraulic turbine retarder is characterized in that the shell (1) is of a structure symmetric left and right, the oil path structure is arranged in the left-side shell and the right-side shell, and is of a left-and-right symmetric double-oil-path structure; the interior of the left-side shell (1) and the interior of the right-side shell (1) are respectively provided with an oil storage device (7), an oil inlet channel and an oil return channel; an oil inlet of the left-side oil storage device (7) and an oil inlet of the right-side oil storage device (7) are directly communicated with an external oil path, and oil outlets of the oil storage devices (7) are communicated with an oil inlet of the working cavity (6) through the oil inlet channels; an oil outlet of the working cavity (6) is communicated with oil return openings of the oil storage devices (7) through the oil return channels to form a oil inflow / oil outflow circuit symmetric left and right. The mechanical adjustable pressurizing hydraulic turbine retarder with the improved structure has the advantages of being large in braking force, short in braking time and high in reaction speed.

Description

Improve the mechanical supercharging adjustment hydraulic turbine retarder of structure

Technical field

The utility model relates to a kind of hydrodynamic retarder, specifically relates to a kind of mechanical supercharging adjustment hydraulic turbine retarder that improves structure.Belong to automobile brake ancillary technique field.

Background technique

Along with the development of logistic industry, automobile is as main means of transportation, should have that usefulness is high, speed fast, safety, characteristics cheaply.The overall present situation of existing load-bearing transport vehicle is: total matter is heavy, power matching is large, the speed of a motor vehicle is high.But car brakeing is because many reasons can not meet above-mentioned needs far away, in the traffic accident that China's heavy vehicle and passenger vehicle cause, quite most accident is because the brake and drive system for vehicle with tow working load is excessive, even inefficacy, tire wear is serious, material loss is many, operation costs are overweight, have a strong impact on safety, very easily cause the accident, in the galloping way, the Emergency braking meeting makes the brake block friction produce high temperature, cause heat fade, braking quality lost efficacy, now wheel hub high temperature passes on steel ring, very easily cause tyre break, cause accident to occur.Automobile running, in mountain area or descending way, needs regular brake, and tire wear is very fast, and brake block and wheel hub friction produce high temperature.At present, most of vehicle is to establish onboard additional cooling water tank system, makes the steel ring cooling, and this kind type of cooling need to frequently discharge water, operate very inconvenient, the easy explosion of wheel hub, automobile day travels at snow, during Emergency braking, wheel can produce sideslip, causes the generation of accident.

The problems referred to above that occur under steam in order to change vehicle, China Patent No. discloses a kind of cold impellor synthetic homodromous double-spin hydraulic retarder for the utility model patent of " 200920237206.0 ", it is characterized in that: comprise shell, transmission main shaft, brake structure and oil-returning structure, shell is provided with water cooling system; Transmission main shaft passes through bearing or directly with shell, is connected, and by the rotary oil seal device, seals, forms pressurization working lumen between shell and transmission main shaft; Brake structure is positioned at active chamber, and an end of brake structure is fixed on transmission main shaft, the other end is fixedly connected with shell; Oil-returning structure consists of a plurality of oil back chambers and oil gas control valve, high-pressure regulation switch.It has simple in structure, anufacturability good, simplified the manufacture difficulty of each part, low cost of manufacture; Number of spare parts is few, rational in infrastructure, and working stability is reliable; The check of product, inspection, advantage easy to maintenance.But also there is following problem in this hydrodynamic retarder: 1, the volume of the oil conservator of retarder is little, has the shortcoming of the little and poor radiation of oil reserve.2, after retarder work completes, the hydraulic oil in active chamber can not be emptied completely, and is unfavorable for the heat radiation of active chamber.3, when retarder is worked, when the pressure in active chamber is excessive, can not regulate the pressure in active chamber, shortened the working life of retarder, also limited the using scope of retarder simultaneously.4, this retarder pumps into hydraulic oil in active chamber by the scraping blade oil pump, has the shortcoming that fuel delivery is unstable, braking force is little, period of braking is long, reaction is slow, and also there is short shortcoming in working life in the scraping blade oil pump simultaneously.

The model utility content

The purpose of this utility model is, little in order to overcome the braking force that fluid power retarder of the prior art exists, period of braking length and the slow shortcoming of reaction velocity, a kind of mechanical supercharging adjustment hydraulic turbine retarder that improves structure is provided, after retarder work completes, hydraulic oil in active chamber is emptied completely rapidly, has simultaneously that braking force is large, period of braking is short and react characteristics fast.

The purpose of this utility model can reach by following measure:

Improve the mechanical supercharging adjustment hydraulic turbine retarder of structure, comprise shell, transmission main shaft, brake structure and oil channel structures, shell is provided with water cooling system; Described shell passes through bearing or directly with transmission main shaft, is connected, and by the rotary oil seal device, seals, forms pressurization working lumen between shell and transmission main shaft; Brake structure is positioned at active chamber, and an end of brake structure is fixed on transmission main shaft, its other end is fixedly connected with shell; The periphery of brake structure is provided with some blades; Its structural feature is: described shell adopts left and right symplex structure, and oil channel structures is arranged in the left and right sides shell, is the two oil channel structures of left and right symmetric type; In the left and right sides shell, respectively be provided with oil conservator, oil inlet passage and drainback passage, the filler opening of the oil conservator of left and right sides directly is communicated with outside oil circuit, the oil outlet of oil conservator is communicated with the filler opening of active chamber by oil inlet passage, the oil outlet of active chamber is communicated with the return opening of oil conservator by drainback passage, forms left and right symmetric type oil-feed/oil-discharging circuit.

During work, high pressure oil is full of active chamber by the two-way oil inlet passage, makes brake structure work, forces transmission main shaft to slow down and stop fast; The emptying active chamber fluid of two drainback passages, the main drive shaft high speed rotating.

The purpose of this utility model can also reach by following measure:

Further, brake structure is positioned at active chamber, consists of front wheel rotor, stator impeller and rear wheel rotor; Front wheel rotor, rear wheel rotor are positioned at the both sides of stator impeller and are fixed on transmission main shaft, and front wheel rotor, rear wheel rotor and stator impeller among are provided with gap, and the stator impeller is fixedly connected with housing; On the circumference of front wheel rotor, stator impeller and rear wheel rotor, respectively be provided with some blades;

Further, in the oil-feed loop, be provided with the fuel oil feed regulation switch, in oil-discharging circuit, be provided with drain cock; The fuel oil feed regulation switch is arranged in oil inlet passage, is communicated with or closes between the oil outlet of controlling oil conservator and the filler opening of active chamber; Drain cock is arranged in drainback passage, is communicated with or closes between the return opening of controlling oil conservator and the oil outlet of active chamber.

When the oil outlet of oil conservator was communicated with the filler opening of active chamber, the filler opening of oil conservator and the oil outlet of active chamber were closed, and hydraulic oil enters in active chamber; When the filler opening of oil conservator is communicated with the oil outlet of active chamber, hydraulic oil is discharged.

Further, described shell consists of housing, cover and cover assemblying body, the cover assemblying body is fixedly connected with cover, and cover is connected with transmission main shaft by bearing, also by the rotary oil seal device, seals, forms pressurization working lumen between transmission main shaft and cover and housing; On cover, be provided with the active chamber filler opening, on housing, be provided with the active chamber oil outlet.

Further, the concrete structure of described left and right symmetric type oil-feed/oil-discharging circuit is as follows:

1) bottom of described housing is provided with the oil storage through hole of both ends open, and corresponding with it, cover is provided with the oil storage through hole of both ends open, and the cover assemblying body is provided with the oil storage grooves of an end opening, by after housing, cover and the assembling of cover assemblying body, forming oil conservator; On the inner circle of cover, be provided with the oil conservator oil outlet be communicated with the oil storage through hole; On housing, be provided with the oil conservator return opening be communicated with the oil storage through hole;

2) top of facing the wall and meditating, the left side of cover assemblying body is provided with the oil-feed mounting hole, and the left inside sidewall of cover assemblying body is provided with the first oil-feed through hole, the second oil-feed through hole and the 3rd oil-feed through hole be communicated with the oil-feed mounting hole respectively; On cover, be provided with the oil-feed through hole of both ends open, the first groove of an end opening and the second groove of an end opening, corresponding with the first oil-feed through hole, the second oil-feed through hole and the 3rd oil-feed through hole of cover assemblying body respectively; On housing, be provided with the oil-feed through hole, corresponding with the oil-feed through hole of cover of both ends open; By after housing, cover and the assembling of cover assemblying body, forming two oil inlet passages; Oil inlet passage is communicated with the active chamber filler opening by the first oil-feed through hole, the second oil-feed through hole, the 3rd oil-feed through hole and second groove of cover assemblying body;

3) top of facing the wall and meditating, the right side of cover assemblying body 13 is provided with the oil return mounting hole, and the right inside sidewall of cover assemblying body is provided with the first oil return through-hole and the second oil return through-hole be communicated with the oil return mounting hole respectively; On cover, be provided with the oil return through-hole of both ends open, the groove of an end opening, corresponding with the first oil return through-hole and second oil return through-hole of cover assemblying body respectively; On housing, be provided with the oil return through-hole, corresponding with the oil return through-hole of cover of both ends open; By after housing, cover and the assembling of cover assemblying body, forming double back oil passage; The active chamber oil outlet of drainback passage by housing, oil return through-hole, the oil return through-hole of cover, the first oil return through-hole and second oil return through-hole of cover assemblying body are communicated with the oil conservator oil outlet:

4) described fuel oil feed regulation switch is arranged in the mounting hole of cover assemblying body left surface, controls the connection of the first oil-feed through hole, the second oil-feed through hole and the 3rd oil-feed through hole or closes; Described drain cock is arranged on the oil return mounting hole of cover assemblying body right flank, controls the first oil return through-hole and is communicated with or closes with the second oil return through-hole.

Further, in the spill port of cover, be provided with pressure regulator valve, described pressure regulator valve consists of switch sleeve, spring, steel ball and bolt, described switch sleeve is through-hole structure, spring, steel ball are successively set in switch sleeve, switch sleeve one end is provided with steel ball, the other end is equipped with bolt, and the sidewall of switch sleeve opening end has through hole; One end of spring is connected to bolt, and its other end is connected to steel ball; Form the elastic force regulation structure; The opening end of switch sleeve is communicated with active chamber, and the through hole of the opening end of switch sleeve is communicated with oil conservator.

Further, described transmission main shaft is provided with gear oil pump, and gear oil pump is arranged in the cover inner circle, forms the duplex geared pump oil supply structure; Gear oil pump is located in oil inlet passage, when the fuel oil feed regulation switch open, makes high pressure oil enter active chamber; Outer side wall at the cover assemblying body is provided with the oil conservator filler opening be connected with outside oil circuit, and described oil conservator filler opening is communicated with and is communicated with oil storage grooves by the through hole that the second through hole below is set with the second through hole on the cover assemblying body.

Further, the water cooling system on described shell comprises semicircle annular closed cavity and the water intake, the water outlet that with semicircle annular closed cavity, are communicated with, the external recirculated cooling water of described water intake, the external drainage position of described water outlet; Described housing is provided with the annular through-hole of a both ends open, and corresponding with it, cover is provided with the annular groove of an end opening, by after housing and cover assembling, forming semicircle annular closed cavity; Water intake, water outlet can be arranged on housing or cover.

Further, be provided with heat exchanger in the oil storage grooves of described cover assemblying body, the water intake of the water cooling system on the external recirculated cooling water of the water intake of described heat exchanger, its water outlet and housing is connected; The external drainage position of the water outlet of water cooling system.

The beneficial effects of the utility model are:

1, the utility model adopts the bilateral symmetry structure, have two fuel oil feed regulations loop and double back oil regulating loop, oil-feed and Extraction rate are fast, after retarder work completes, hydraulic oil in active chamber is emptied completely rapidly, can accelerate the retarder heat radiation, extend its working life.

2, the utility model, by shell, being provided with oil conservator, oil inlet passage and fuel oil feed regulation switch, forms the fuel oil feed regulation loop; By the drainback passage on shell and drain cock, form the oil return adjustment loop; By the action of controlling fuel oil feed regulation switch and drain cock, reach toward oil-feed and fuel-displaced purpose in active chamber, have and control advantage simply and easily.Oil conservator by the bilateral symmetry structure that runs through housing, cover and cover assemblying body is formed on bottom in the enclosure, and the capacity of oil conservator is large, can increase oil reserve.

3, the utility model is provided with duplex geared pump, and the oil liquid pressure in active chamber is high, has greatly improved jogging braking force and oil-feed, fuel-displaced speed, shortens period of braking and fast reaction speed, has improved the working efficiency of retarder.Duplex geared pump has advantages of that fuel delivery is stable, pressure is high and long service life.The utility model in the course of the work, can be controlled pressure size in active chamber by controlling pressure regulator valve; When the pressure in active chamber is excessive, by regulating the pressure regulator valve amount of spring compression, make fluid when reaching predetermined pressure, backing down steel ball discharge section fluid enters in oil conservator, make the active chamber pressure decreased, thereby the braking force of brake structure can be regulated, therefore, be applicable to various load carrier for vehicles, have advantages of wide accommodation.

4, the utility model is provided with a water channel cooling system on shell, and a heat exchanger be connected with cooling system is set simultaneously in oil conservator.During work, water in water tank is drawn in heat exchanger and carries out cooling to the hydraulic oil in oil conservator, and then entering the water intake of the water cooling system on shell, water along the path flows of serpentine, is finally discharged from the water outlet of water cooling system in semicircle annular closed cavity.When brake retarder the temperature of brake structure raise after, after by circulating water and brake structure and oil conservator, carrying out heat exchange, make their temperature be reduced to rapidly normal level, and keep the stable of temperature, can effectively avoid the accident generation; Retarder at high temperature operation for a long time can also be avoided simultaneously, the working life of retarder can be extended.

The accompanying drawing explanation

Fig. 1 is the utility model concrete structure schematic diagram.

Fig. 2 is sectional view of the present utility model.

Fig. 3 is the utility model shell stereogram.

Fig. 4 is the utility model shell the first stereogram.

Fig. 5 is the utility model shell the second stereogram.

Fig. 6 is the utility model cover assemblying body stereogram.

Fig. 7 is the concrete pressure regulator valve cross section view of the utility model.

Embodiment

Specific embodiment 1:

With reference to Fig. 1～Fig. 6, the present embodiment comprises shell 1, transmission main shaft 2, brake structure 3 and oil channel structures, and shell 1 is provided with water cooling system; Described shell 1 passes through bearing 4 or directly with transmission main shaft 2, is connected, and by rotary oil seal device 5, seals, forms pressurization working lumen 6 between shell 1 and transmission main shaft 2; Brake structure 3 is positioned at active chamber 6, and an end of brake structure 3 is fixed on transmission main shaft 2, its other end is fixedly connected with shell 1; The periphery of brake structure 3 is provided with some blades 34; Described shell 1 adopts left and right symplex structure, and oil channel structures is arranged in the left and right sides shell, is the two oil channel structures of left and right symmetric type; In left and right sides shell 1, respectively be provided with oil conservator 7, oil inlet passage and drainback passage, the filler opening of the oil conservator 7 of left and right sides directly is communicated with outside oil circuit, the oil outlet of oil conservator 7 is communicated with the filler opening of active chamber 6 by oil inlet passage, the oil outlet of active chamber 6 is communicated with the return opening of oil conservator 7 by drainback passage, forms left and right symmetric type oil-feed/oil-discharging circuit.

In the present embodiment:

Described brake structure 3 forms, is positioned at active chamber 6 by front wheel rotor 31, stator impeller 32 and rear wheel rotor 33, front wheel rotor 31, rear wheel rotor 33 lay respectively at the both sides of stator impeller 32 and are fixed on transmission main shaft 2, between front wheel rotor 31, rear wheel rotor 33 and stator impeller 32, be equipped with certain gap, described stator impeller 32 is fixedly connected with housing 11; On the circumference of front wheel rotor 31, stator impeller 32 and rear wheel rotor 33, all evenly be provided with some blades 34; On shell 1, be provided with oil conservator 7, oil inlet passage and drainback passage; The filler opening of described oil conservator 7 directly is communicated with outside oil circuit; The oil outlet of described oil conservator is communicated with the filler opening of active chamber 6 by oil inlet passage, and the oil outlet of active chamber 6 is communicated with the return opening of described oil conservator 7 by drainback passage; Described oil-returning structure consists of a plurality of oil back chambers, fuel oil feed regulation switch 8 and the drain cock 9 that are separately positioned on front wheel rotor 31, rear wheel rotor 33; Described fuel oil feed regulation switch 8 is arranged in the oil-feed oil duct, drive between the filler opening of oil outlet that oil-feed by-pass cock 8 makes oil conservator 7 and active chamber 6 and be communicated with/close, hydraulic oil enters in active chamber 6 when the oil outlet of oil conservator 7 is communicated with the filler opening of active chamber 6, and hydraulic oil circulates in oil conservator when the filler opening of the oil outlet of oil conservator 7 and active chamber 6 is closed; Described drain cock 9 arranges in drainback passage, drives between the oil outlet of return opening that drain cock 9 makes oil conservator 7 and active chamber 6 and is communicated with/closes.

With reference to Fig. 1～Fig. 6, described shell 1 consists of housing 11, cover 12 and cover assemblying body 14, cover assemblying body 13 is fixedly connected with cover 12, cover 12 is connected with transmission main shaft 2 by bearing, also by rotary oil seal device 5, seals, forms pressurization working lumen 6 between transmission main shaft 2 and cover 12, housing 11; On cover, be provided with active chamber filler opening 12-8, on housing, be respectively equipped with active chamber oil outlet 11-5.

With reference to Fig. 1～Fig. 8, the concrete structure of described oil conservator 7, oil inlet passage and drainback passage is as follows:

1) bottom of described housing is provided with the oil storage through hole 11-1 of both ends open, corresponding with it, cover is provided with the oil storage through hole 12-1 of both ends open, and cover assemblying body 13 is provided with the oil storage grooves 13-1 of an end opening, by after housing 11,

cover

12 and 13 assemblings of cover assemblying body, forming oil conservator 7; On the inner circle of cover 12, be provided with the oil conservator oil outlet 12-8 be communicated with oil storage through hole 12-1; On housing, be provided with the oil conservator return opening 11-4 be communicated with the oil storage through hole;

2) top of facing the wall and meditating, the left side of cover assemblying body 13 is provided with oil-feed mounting hole 13-2, and the left inside sidewall of cover assemblying body 13 is provided with the first oil-feed through hole 13-3, the second oil-feed through hole 13-4 and the 3rd oil-feed through hole 13-5 be communicated with oil-feed mounting hole 13-2 respectively; On cover 12, be provided with the oil-feed through hole 12-2 of both ends open, the first groove 12-3 of an end opening and the second groove 12-4 of an end opening, corresponding with the first oil-feed through hole 13-3, the second oil-feed through hole 13-4 and the 3rd oil-feed through hole 13-5 of cover assemblying body respectively; On housing 11, be provided with the oil-feed through hole 11-2, corresponding with the oil-feed through hole 12-2 of cover of both ends open; By after housing 11,

cover

12 and 13 assemblings of cover assemblying body, forming two oil inlet passages; Oil inlet passage is communicated with active chamber filler opening 12-8 by the first oil-feed through hole 13-3, the second oil-feed through hole 13-4, the 3rd oil-feed through hole 13-5 and the second groove 12-4 of cover assemblying body;

3) top of facing the wall and meditating, the right side of cover assemblying body 13 is provided with oil return mounting hole 13-6, and the right inside sidewall of cover assemblying body 13 is provided with the first oil return through-hole 13-7 and the second oil return through-hole 13-8 be communicated with oil return mounting hole 13-3 respectively; On cover 12, be provided with the oil return through-hole 12-5 of both ends open, the groove 12-6 of an end opening, corresponding with the first oil return through-hole 13-7 and the second oil return through-hole 13-8 of cover assemblying body respectively; On housing 11, be provided with the oil return through-hole 11-3, corresponding with the oil return through-hole 12-5 of cover of both ends open; By after housing 11,

cover

12 and 13 assemblings of cover assemblying body, forming double back oil passage; Drainback passage is communicated with oil conservator oil outlet 13-9 by active chamber oil outlet 11-4, oil return through-hole 11-3, the oil return through-hole 12-5 of cover, the first oil return through-hole 13-7 and the second oil return through-hole 13-8 of cover assemblying body of housing 11;

4) described fuel oil feed regulation switch 8 is arranged in the mounting hole 13-2 of cover assemblying body left surface, controls the connection of the first oil-feed through hole 13-3, the second oil-feed through hole 13-4 and the 3rd oil-feed through hole or closes; Described drain cock 9 is arranged on the oil return mounting hole 13-3 of cover assemblying body right flank, controls the first oil return through-hole 12-7 and is communicated with or closes with the second oil return through-hole 12-8.

With reference to Fig. 7, in the spill port 12-5 of cover, be provided with pressure regulator valve 10, described pressure regulator valve 10 forms 10-4 by switch sleeve 10-1, spring 10-2, steel ball 10-3 and bolt, described switch sleeve 10-1 is through-hole structure, spring 10-2, steel ball 10-3 are successively set in switch sleeve 10-1, switch sleeve 10-1 mono-end is provided with steel ball 10-3, the other end is equipped with bolt 10-4, and the sidewall of switch sleeve 10-1 opening end has through hole 10-5; The end of spring 10-2 is connected to bolt 10-4, and its other end is connected to steel ball 10-3; Form the elastic force regulation structure; The opening end of switch sleeve 10-1 is communicated with active chamber 6, and the through hole 10-5 of the opening end of switch sleeve 10-1 is communicated with oil conservator 7.

Described transmission main shaft 2 is provided with gear oil pump 20, and gear oil pump 20 is arranged in cover 12 inner circles, forms the duplex geared pump oil supply structure; Gear oil pump 20 is located in oil inlet passage, when fuel oil feed regulation switch 8 is opened, makes high pressure oil enter active chamber 6; Outer side wall at cover assemblying body 13 is provided with the oil conservator filler opening 13-6 be connected with outside oil circuit, and described oil conservator filler opening 13-6 is communicated with and is communicated with oil storage grooves 13-1 by the through hole that the second through hole 13-4 below is set with the second through hole 13-4 on the cover assemblying body.

With reference to Fig. 1～Fig. 6, the water cooling system on described shell 1 comprises semicircle annular closed cavity and the water intake, the water outlet that with semicircle annular closed cavity, are communicated with; Described housing is provided with the annular through-hole 11-5 of a both ends open, and corresponding with it, cover 12 is provided with the annular groove 12-7 of an end opening, by after housing 11, cover 12 assemblings, forming semicircle annular closed cavity; Water intake, water outlet are arranged on housing 11.In the oil storage grooves 13-1 of described cover assemblying body 13, be provided with heat exchanger 30, the water intake of the water cooling system on the external recirculated cooling water of the water intake of described heat exchanger 30, its water outlet and housing 1 is connected; The external drainage position of the water outlet of water cooling system.During work, water in water tank is drawn in heat exchanger 30 and carries out cooling to the hydraulic oil in oil conservator, and then entering the water intake of the water cooling system on shell, water along the path flows of serpentine, is finally discharged from the water outlet of water cooling system in semicircle annular closed cavity.When brake retarder the temperature of brake structure raise after, after by circulating water and brake structure and oil conservator, carrying out heat exchange, make their temperature be reduced to rapidly normal level, and keep the stable of temperature, can effectively avoid the accident generation; Retarder at high temperature operation for a long time can also be avoided simultaneously, the working life of retarder can be extended.

Working procedure of the present utility model is:

At first oil-feed: at first fill with oil by outside oil circuit in oil conservator, drive oil-feed by-pass cock 8, (piston that is fuel oil feed regulation switch 8 is opened the first through hole 13-3 of protecgulum assemblying body 13 to make to be in connected state between the filler opening of the oil outlet of oil conservator and active chamber 6, the second through hole 13-4 is blocked), drive drain cock, make to be in closed condition between the oil outlet of oil conservator 7 and active chamber 6.(hydraulic oil in oil conservator enters the second groove 12-4 of cover 12 from oil conservator oil outlet 12-8 by built-in gear pump, to send hydraulic oil to the oil-feed oil duct, enter again the third through-hole 13-5 of cover assemblying body 13, the internal piston, the first through hole 13-3, the oil-feed through hole 12-2 of cover of cover assemblying body 13, the oil-feed through hole 11-2 on housing 11, the active chamber filler opening 11-6 that enter successively the fuel oil feed regulation switch enter in active chamber again), hydraulic oil directly enters in active chamber by the filler opening of active chamber; Simultaneously, because transmission main shaft drives brake structure 3 rotations, the meeting of brake structure 3 produces suction hydraulic oil is sucked active chamber, until in active chamber, fill oil from filler opening.Due to gear pump, always with the transmission main shaft rotation, can accelerate hydraulic oil and enter in active chamber, can increase work efficiency and pressure.Gear pump has advantages of that fuel delivery is stable, pressure is high and working life.

Then retarder is started working, its working principle: transmission main shaft drives front wheel rotor and the rotation of rear wheel rotor, when front wheel rotor and rear wheel rotor rotated, its blade got rid of hydraulic oil on the blade at intermediate stator impeller two ends, thereby the blade pass on the stator impeller is crossed the vortex generation counter-force of hydraulic oil and is acted on the blade of front wheel rotor and rear wheel rotor, while being front wheel rotor and the rotation of rear wheel rotor, be subject to the effect of a resistance distance, reach the purpose that makes vehicle speed retarding.In the course of the work, by controlling pressure regulator valve, can control pressure size in active chamber; When the pressure in active chamber is excessive, by the adjusting pressure regulator valve, the hydraulic oil in active chamber can be gushed to a part and enter in oil conservator, thereby reach the purpose to the active chamber step-down.

Last oil return: after retarder work completes, drive oil-feed by-pass cock 8, make to be in closed condition between the filler opening of the oil outlet of oil conservator and active chamber 6, drive drain cock, make to be in open mode (piston that is fuel oil feed regulation switch 8 is blocked the first through hole 13-3 of cover assemblying body 13, and the first oil return through-hole 12-7 is communicated with the second oil return through-hole 12-8) between the oil outlet of oil conservator 7 and active chamber 6.Hydraulic oil in active chamber oil outlet from active chamber under the effect of brake structure rotating force is constantly discharged, and the hydraulic oil of discharge finally enters in oil conservator by the first oil return through-hole 12-7 and the second oil return through-hole 12-8 of cover assemblying body.Simultaneously, hydraulic oil in oil conservator enters the second groove 12-4 of cover 12 from oil conservator oil outlet 12-8, enter again the third through-hole 13-5 of cover assemblying body 14, the the second through hole 13-4 that enters successively again internal piston, the cover assemblying body 13 of fuel oil feed regulation switch 8 refluxes and enters oil conservator, hydraulic oil circulates in oil conservator, be conducive to heat radiation.Due to gear pump, always with the transmission main shaft rotation, can accelerate the discharge of hydraulic oil, increase work efficiency.After hydraulic oil in active chamber was discharged fully, hydraulic oil was constantly circulating under the drive of gear pump between oil conservator and outside oil duct, was conducive to accelerate heat radiation.

Specific embodiment 2:

The characteristics of the present embodiment are: the water intake of described cooling water system, water outlet are arranged on cover 12.Shell adopts the bilateral symmetry structure, on shell, is provided with oil conservator, oil inlet passage and drainback passage; The filler opening of described oil conservator directly is communicated with outside oil circuit; The oil outlet of described oil conservator is communicated with the filler opening of active chamber by oil inlet passage, and high pressure oil is full of active chamber by the two-way oil inlet passage, makes brake structure work, forces transmission main shaft to slow down and stop fast; The oil outlet of described active chamber is communicated with the return opening of described oil conservator by drainback passage; The emptying active chamber fluid of two drainback passages, the main drive shaft high speed rotating.Oil channel structures comprises that oil inlet passage, drainback passage, fuel oil feed regulation switch and drain cock form; Described fuel oil feed regulation switch is arranged in oil inlet passage, between the oil outlet of controlling oil conservator and the filler opening of active chamber, be communicated with or close, described drain cock is arranged in drainback passage, between the return opening of controlling oil conservator and the oil outlet of active chamber, be communicated with or close, when the oil outlet of oil conservator is communicated with the filler opening of active chamber, the filler opening of oil conservator and the oil outlet of active chamber are closed, and hydraulic oil enters in active chamber; When the filler opening of oil conservator is communicated with the oil outlet of active chamber, hydraulic oil is discharged.

All the other are with specific embodiment 1.

The above; it is only preferably specific embodiment of the utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the scope that the utility model discloses; according to the technical solution of the utility model and model utility design thereof, be equal to replacement or changed, all being belonged to protection domain of the present utility model.

Claims

1. improve the mechanical supercharging adjustment hydraulic turbine retarder of structure, comprise shell (1), transmission main shaft (2), brake structure (3) and oil channel structures, shell (1) is provided with water cooling system; Described shell (1) passes through bearing (4) or directly with transmission main shaft (2), is connected, and by rotary oil seal device (5), seals, forms pressurization working lumen (6) between shell (1) and transmission main shaft (2); Brake structure (3) is positioned at active chamber (6), and an end of brake structure (3) is fixed on transmission main shaft (2), its other end is fixedly connected with shell (1); The periphery of brake structure (3) is provided with some blades (34); It is characterized in that: described shell (1) adopts left and right symplex structure, and oil channel structures is arranged in the left and right sides shell, is the two oil channel structures of left and right symmetric type; In left and right sides shell (1), respectively be provided with oil conservator (7), oil inlet passage and drainback passage, the filler opening of the oil conservator of left and right sides (7) directly is communicated with outside oil circuit, the oil outlet of oil conservator (7) is communicated with the filler opening of active chamber (6) by oil inlet passage, the oil outlet of active chamber (6) is communicated with the return opening of oil conservator (7) by drainback passage, forms left and right symmetric type oil-feed/oil-discharging circuit.

2. the mechanical supercharging adjustment hydraulic turbine retarder of improvement structure according to claim 1, it is characterized in that: brake structure (3) is positioned at active chamber (6), consists of front wheel rotor (31), stator impeller (32) and rear wheel rotor (33); Front wheel rotor (31), rear wheel rotor (33) are positioned at the both sides of stator impeller (32) and are fixed on transmission main shaft (2), front wheel rotor (31), rear wheel rotor (33) are provided with gap with stator impeller (32) among, and stator impeller (32) is fixedly connected with housing (11); On the circumference of front wheel rotor (31), stator impeller (32) and rear wheel rotor (33), respectively be provided with some blades (34).

3. the mechanical supercharging adjustment hydraulic turbine retarder of improvement structure according to claim 1 and 2, is characterized in that: in the oil-feed loop, be provided with fuel oil feed regulation switch (8), in oil-discharging circuit, be provided with drain cock; Fuel oil feed regulation switch (8) is arranged in oil inlet passage, is communicated with or closes between the oil outlet of controlling oil conservator (7) and the filler opening of active chamber (6); Drain cock is arranged in drainback passage, is communicated with or closes between the return opening of controlling oil conservator (7) and the oil outlet of active chamber (6).

4. the mechanical supercharging adjustment hydraulic turbine retarder of improvement structure according to claim 3, it is characterized in that: described shell (1) consists of housing (11), cover (12) and cover assemblying body (13), cover assemblying body (13) is fixedly connected with cover (12), cover (12) is connected with transmission main shaft (2) by bearing, also by rotary oil seal device (5), seals, forms pressurization working lumen (6) between transmission main shaft (2) and cover (12) and housing (11); On cover, be provided with active chamber filler opening (12-8), on housing, be provided with active chamber oil outlet (11-5).

5. the mechanical supercharging adjustment hydraulic turbine retarder of improvement structure according to claim 4, its feature: the concrete structure of described left and right symmetric type oil-feed/oil-discharging circuit is as follows:

1) in the bottom of housing (11), be provided with the oil storage through hole (11-1) of both ends open, on cover (12), be provided with the oil storage through hole (12-1) of both ends open, on cover assemblying body (13), be provided with the oil storage grooves (13-1) of an end opening, form oil conservator (7) by housing (11), cover (12) and cover assemblying body (13) assembling; On the inner circle of cover (12), be provided with the oil conservator oil outlet (12-8) be communicated with oil storage through hole (12-1); On housing (11), be provided with the oil conservator return opening (11-4) be communicated with the oil storage through hole;

2) top of facing the wall and meditating in the left side of cover assemblying body (13) is provided with oil-feed mounting hole (13-2), is provided with at the left inside sidewall of cover assemblying body (13) the first oil-feed through hole (13-3), the second oil-feed through hole (13-4) and the 3rd oil-feed through hole (13-5) be communicated with oil-feed mounting hole (13-2); On cover (12), be provided with the oil-feed through hole (12-2) of both ends open, first groove (12-3) of an end opening and second groove (12-4) of an end opening; On housing (11), be provided with the oil-feed through hole (11-2) of both ends open; By after housing (11), cover (12) and cover assemblying body (13) assembling, forming two oil inlet passages; This pair oil inlet passage is communicated with active chamber filler opening (12-8) by the first oil-feed through hole (13-3), the second oil-feed through hole (13-4), the 3rd oil-feed through hole (13-5) and second groove (12-4) of cover assemblying body;

3) top of facing the wall and meditating on the right side of cover assemblying body (13) is provided with oil return mounting hole (13-6), and the right inside sidewall of cover assemblying body (13) is provided with the first oil return through-hole (13-7) and the second oil return through-hole (13-8) be communicated with oil return mounting hole (13-3); On cover (12), be provided with the oil return through-hole (12-5) of both ends open, the groove (12-6) of an end opening, on housing (11), be provided with the oil return through-hole (11-3) of both ends open; By after housing (11), cover (12) and cover assemblying body (13) assembling, forming double back oil passage; The active chamber oil outlet (11-4) of this double back oil passage by housing (11), oil return through-hole (11-3), the oil return through-hole (12-5) of cover, the first oil return through-hole (13-7) and second oil return through-hole (13-8) of cover assemblying body are communicated with oil conservator oil outlet (13-9);

4) fuel oil feed regulation switch (8) is arranged in the mounting hole (13-2) of cover assemblying body left surface, controls the connection of the first oil-feed through hole (13-3), the second oil-feed through hole (13-4) and the 3rd oil-feed through hole or closes; Drain cock (9) is arranged on the oil return mounting hole (13-3) of cover assemblying body right flank, controls the first oil return through-hole (12-7) and is communicated with or closes with the second oil return through-hole (12-8).

6. the mechanical supercharging adjustment hydraulic turbine retarder of improvement structure according to claim 5, it is characterized in that: be provided with pressure regulator valve (10) in the spill port (12-5) of cover (12), pressure regulator valve (10) is by switch sleeve (10-1), spring (10-2), steel ball (10-3) and bolt form (10-4), switch sleeve (10-1) is through-hole structure, spring (10-2), steel ball (10-3) is successively set in switch sleeve (10-1), switch sleeve (10-1) end is provided with steel ball (10-3), the other end is equipped with bolt (10-4), the sidewall of switch sleeve (10-1) opening end has through hole (10-5), one end of spring (10-2) is connected to bolt (10-4), and its other end is connected to steel ball (10-3), form the elastic force regulation structure, the opening end of switch sleeve (10-1) is communicated with active chamber (6), and the through hole (10-5) of the opening end of switch sleeve (10-1) is communicated with oil conservator (7).

7. the mechanical supercharging adjustment hydraulic turbine retarder of improvement structure according to claim 5, it is characterized in that: described transmission main shaft (2) is provided with gear oil pump (20), gear oil pump (20) is arranged in cover (12) inner circle, forms the duplex geared pump oil supply structure; Gear oil pump (20) is located in oil inlet passage, when fuel oil feed regulation switch (8) is opened, makes high pressure oil enter active chamber (6); Outer side wall at cover assemblying body (13) is provided with the oil conservator filler opening (13-6) be connected with outside oil circuit, and described oil conservator filler opening (13-6) is communicated with and is communicated with oil storage grooves (13-1) by the through hole that the second through hole (13-4) below is set with the second through hole (13-4) on the cover assemblying body.

8. the mechanical supercharging adjustment hydraulic turbine retarder of improvement structure according to claim 4, it is characterized in that: the water cooling system of shell (1) comprises semicircle annular closed cavity and the water intake, the water outlet that with semicircle annular closed cavity, are communicated with, the external recirculated cooling water of water intake, the external drainage position of water outlet; On housing (11), be provided with the annular through-hole (11-5) of a both ends open, on cover (12), be provided with the annular groove (12-7) of an end opening, by after housing (11), cover (12) assembling, forming semicircle annular closed cavity; Water intake, water outlet are arranged on housing (11) or cover (12).

9. the mechanical supercharging adjustment hydraulic turbine retarder of improvement structure according to claim 4, it is characterized in that: be provided with heat exchanger (30) in the oil storage grooves (13-1) of cover assemblying body (13), the water intake of the water cooling system on the external recirculated cooling water of water intake of described heat exchanger (30), its water outlet and housing (1) is connected; The external drainage position of the water outlet of water cooling system.