CN206246632U - A kind of hydraulic power unit with coupling device and brake - Google Patents

A kind of hydraulic power unit with coupling device and brake Download PDF

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Publication number
CN206246632U
CN206246632U CN201621028563.2U CN201621028563U CN206246632U CN 206246632 U CN206246632 U CN 206246632U CN 201621028563 U CN201621028563 U CN 201621028563U CN 206246632 U CN206246632 U CN 206246632U
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CN
China
Prior art keywords
brake
coupling device
bearing
hydraulic power
power unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201621028563.2U
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Chinese (zh)
Inventor
高恩芹
庞洁
孙志新
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CRRC Dalian Institute Co Ltd
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CRRC Dalian Institute Co Ltd
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Priority to CN201621028563.2U priority Critical patent/CN206246632U/en
Application granted granted Critical
Publication of CN206246632U publication Critical patent/CN206246632U/en
Withdrawn - After Issue legal-status Critical Current
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Abstract

A kind of hydraulic power unit with coupling device and brake, it is characterised in that:Input shaft is hollow-core construction, and its one end is provided with input gear and by bearings in housing.The side of solid output shaft passes through the cavity of input shaft, and is fixed with axle sleeve in head.The axle sleeve one end is supported by bearing v, and the other end is fixedly connected with fluid-flywheel clutch turbine, and coupling turbine is fixedly connected with shell on the back.The another of output shaft is provided with brake rotor and output gear, and by bearings.Coupling device traction hydraulic power unit of the present utility model and brake hydraulic power unit are set on the same axis, input shaft is with output shaft for noncontact is connected, power transmission uses fluid power mode, long lifespan, efficiency high, can not only undertake railcar or Diesel Multiple Unit hydraulic transmission gear box top gear traction working condition but also can undertake its damped condition, increased its velocity interval, running stability and security reliability are improved, so as to meet the requirement of more speed railcar and hydraulic power Diesel Multiple Unit.

Description

A kind of hydraulic power unit with coupling device and brake
Technical field
The utility model is related to the transmission system in railcar field.
Background technology
Due to hydraulic power have operate steadily, reliability, vibration isolation, overload protection, the low remarkable advantage of maintenance cost, receive very much Railway is welcome with department.The hydraulic transmission system of country's rail vehicle adds fluid torque-converter using fluid torque-converter mostly at present Structure, the automobile-used hydraulic transmission system of middle low power grade high-speed track employs fluid torque-converter plus fluid-flywheel clutch structure, liquid Force actuators transmission efficiency is significantly improved can reach more than 93%.
At present, because railway constantly develops, railcar and the Diesel Multiple Unit speed of service can be improved constantly, domestic existing Middle low power grade hydraulic transmission system does not adapt to that speed reaches 160 kilometers/hour and the above is horizontal and can realize car Lower installation, the hydraulic transmission system with hydraulic braking function.Individual track car manufacturing firm need to use the double dynamical machine of small-power Group hydraulic transmission system can just run to 160 kilometers/hour, 160 kilometers/hour of speed and above railcar and diesel rail motor car Organize the hydraulic transmission system that do not match.The increase of speed, vehicle energy is also dramatically increased, in order to increase utilization reliability and Security, it is desirable to which a kind of hydraulic transmission system with hydraulic braking function is applied in the speed and above speed class vehicle In.Now, domestic existing diesel hydraulic locomotive brakes uses conventional friction chip or flange tread structure mostly Vehicle braking is carried out, this single braking mode can not meet high-speed rail vehicle, Diesel Multiple Unit needs, be badly in need of a kind of braking Power is big, size is small, compact conformation, dependable performance, brake stable hydraulic transmission system, with adapt to more speed, high reliability, The high speed railcar of high security, Diesel Multiple Unit field.
Utility model content
To solve problem of the prior art, the utility model proposes following technical scheme:
A kind of hydraulic power unit with coupling device and brake, it is characterised in that:Input shaft is hollow-core construction, one End is provided with input gear and is supported in housing by bearing iii and bearing iv.The input shaft other end is fixed with coupling device pump impeller and connected Connect.Coupling device pump impeller is arranged in the cavity that turbine and shell on the back are formed.Enter oil jacket positioned at turbine outside and be fixed on housing.Enter Oil jacket is provided with coupling device oil-feed oil duct.Work oil-in is located at coupling device pump impeller path.The side of solid output shaft passes through The cavity of input shaft, and it is fixed with axle sleeve in head.Axle sleeve is connected with output shaft interference.The axle sleeve one end is supported by bearing v, separately One end is fixedly connected with fluid-flywheel clutch turbine, and coupling turbine is fixedly connected with shell on the back.The opposite side of output shaft is respectively equipped with Brake rotor and output gear, and be supported in housing by bearing i, bearing ii.Brake rotor and output gear with it is defeated Shaft interference is connected.Brake stator and brake cap are fixed on housing, and its endoporus is respectively equipped with comb channels oil sealing I, oil sealing ii.Oil sealing i endoporus is mutually sealed with brake rotor side axial plane external diameter, oil sealing ii and brake rotor opposite side axial plane External diameter is mutually sealed.Oil sealing i, oil sealing ii external diameters are connected with brake stator, brake cap endoporus interference respectively.Input shaft and output Axle is supported on the same axis by bearing i, bearing ii, bearing iii, bearing iv, bearing v.The cavity of input shaft and output shaft it Between to be slidably matched gap.
The top rake α angles of brake stator and rotor blade are 30 °~60 °.Best angle is 45 °.Brake stator Blade is provided with inclination angle identical with blade fuel feed hole, is evenly distributed on phase root piece;Root of blade is provided with outage, uniform point Cloth is being separated by root of blade.Coupling device pump impeller and coupling turbine, brake rotor, brake stator structure are monoblock cast.
Coupling device traction hydraulic power unit of the present utility model and brake hydraulic power unit are set on the same axis, input With output shaft for noncontact is connected, power transmission uses fluid power mode to axle, with long service life, the advantage of high working efficiency. It can both undertake railcar or Diesel Multiple Unit hydraulic transmission gear box more speed gear traction working condition, increased its speed model Enclose, its damped condition can be undertaken again, mode of braking is reliable rapidly, is particularly suitable for being traveled at the uniform speed or car during vehicle long range descending Braked during high-speed cruising, the abrasion of vehicle foundation brake friction plate can be slowed down, for hydraulic transmission system provides one kind Stable mode of braking, so as to drastically increase the safety and reliability of whole brakes.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the hydraulic power unit with coupling device and brake of the utility model.
Fig. 2 is the A-A sections of Fig. 1.
Fig. 3 is the B-B sections of Fig. 2
Fig. 4 is I enlarged drawing of Fig. 1
In figure:1st, axle sleeve, 2, coupling device shell on the back, 3, coupling device pump impeller, 4, coupling turbine, 5, enter oil jacket, 6, input shaft, 7th, output shaft, 8, brake stator, 8.1, fuel feed hole, 8.2, outage, 9, oil sealing i, 10, brake rotor, 10.1, brake Rotor side, 10.2, brake rotor opposite side, 11, brake cap, 12, oil sealing ii, 13, output gear, 14, housing.15、 Input gear, 16, bearing i, 17, bearing ii, 18, bearing iii, 19, bearing iv, 20, bearing v.
Specific embodiment
With reference to the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out clearly Chu, it is fully described by.
One kind as shown in Figure 1 carries coupling device and brake hydraulic power unit, including power input shaft 6, output shaft 7th, fluid-flywheel clutch, hydraulic brake, axle sleeve 1, housing 14, enter oil jacket 5, oil sealing i-9, oil sealing ii-12, output gear 13.Liquid Couple clutch includes coupling device pump impeller 3, coupling turbine 4, coupling device shell on the back 2.Hydraulic brake includes brake rotor 10, system Dynamic device stator 8, brake cap 11, oil sealing.Input shaft 6 and output shaft 7 respectively by the bearing i-16 in housing 14, bearing ii-17, Bearing iii-18, bearing iv-19, bearing v-20 are supported on the same axis.It is sliding between the cavity and output shaft 7 of input shaft 6 Dynamic fit clearance.Input shaft 6 is provided with gear or interference connection or is formed integrally structure with input shaft 6.Input shaft 6 is hollow knot Structure, is sleeved on output shaft 7.The one end of input shaft 6 is fixedly connected with coupling device pump impeller 3.Coupling device pump impeller 3 is arranged on the He of turbine 4 In the cavity that shell on the back 2 is formed.Coupling device enters oil jacket 5 positioned at the outside of turbine 4 and is fixed on housing 14, which is provided with coupling device and enters Oil duct, work oil-in is located at the path of coupling device pump impeller 3.Output shaft is provided with axle sleeve 1, and axle sleeve 1 connects with the interference of output shaft 7 Connect.The one end of axle sleeve 1 is fixedly connected with fluid-flywheel clutch turbine 4, and coupling turbine 4 is fixedly connected with shell on the back 2.Output shaft 7 it is another Outer side is respectively equipped with brake rotor 10 and output gear 13.Described brake rotor 10 and output gear 13 with output The interference of axle 7 is connected.
Brake stator 8 and brake cap 11 are fixed on housing 14, in order to reduce the leakage of brake inside working oil.Its Endoporus is respectively equipped with comb channels oil sealing i-9, oil sealing ii-12.Oil sealing i-9 endoporus and the axial plane of brake rotor side 10.1 External diameter is mutually sealed, and oil sealing ii-12 is mutually sealed with the axial plane external diameter of brake rotor opposite side 10.2.Outside oil sealing i-9, oil sealing ii-12 Footpath is connected with brake stator 8, the endoporus interference of brake cap 11 respectively.
Hydraulic brake blade wheel structure sketch as shown in Figure 2, it is characterised in that described brake stator 8 and rotor 10 Blade top rake angle is 30 °~60 °, and best angle is 45 °.
Because brake stator blade and rotor blade are to incline the oblique blade construction of certain angle, its capacity factor is than identical Lumen type fluid-flywheel clutch is big 3-10 times, it is possible to achieve reduced size can produce very big stopping power.
The blade of brake stator 8 is provided with inclination angle identical with blade fuel feed hole 8.1, is evenly distributed on phase root piece;Leaf Piece root is provided with outage 8.2, is evenly distributed on and is separated by root of blade so that fill oil extraction rapid, steady.
Coupling device pump impeller 3 and coupling turbine 4, brake rotor 10, brake stator 8 are monoblock cast structure.Plus Work process is simple, compact conformation, can ensure the stability of physical dimension and performance in follow-up batch production, while reducing Production cost.
Because the present embodiment uses coupling device and brake hydraulic power cellular construction, fluid-flywheel clutch can be in fluid power Worked during transmission device top gear.When vehicle runs or to implement hydraulic braking in descending, traction hydraulic power unit is not oil-filled Work, the power input shaft 6 being now meshed with output gear 13 transfers energy to output shaft 7, then passes to brake turn Son 10, because stator 8 is fixed on 14 on housing, can bear whole braking moments of the absorption of brake rotor 10, at this moment brake Device liquid kinetic energy is completely converted into heat, and cooling is circulated to working oil by peripheral hardware cooler.This mode of braking is rapid It is reliable, it is particularly suitable for being traveled at the uniform speed during vehicle long range descending or is braked when vehicle high-speed runs, vehicle base can be slowed down The abrasion of plinth brake strip, drastically increases security, the reliability of whole brakes.
Because fluid-flywheel clutch and brake are set on the same axis, compact conformation can preferably adapt to be arranged under car Horizontal hydraulic transmission device.The utility model is that coupling device draws hydraulic power unit and brake hydraulic braking unit composition is used, Power transmission uses hydraulic power mode, with long service life, the characteristics of high working efficiency.The implementation of this programme so that dress Railcar can be undertaken with the hydraulic transmission system of this structure or Diesel Multiple Unit hydraulic transmission system top gear draws work Condition, its damped condition can also be undertaken, improve its velocity interval, for hydraulic transmission system provides a kind of smoothly braking side Formula.

Claims (5)

1. a kind of hydraulic power unit with coupling device and brake, it is characterised in that:Input shaft (6) is hollow-core construction, its One end is provided with input gear (15) and is supported in housing (14) by bearing iii (18) and bearing iv (19);The input shaft (6) The other end is fixedly connected with coupling device pump impeller (3), the chamber that the coupling device pump impeller (3) is formed installed in turbine (4) and shell on the back (2) In vivo;Enter oil jacket (5) positioned at turbine (4) outside and be fixed on housing (14), it is described enter oil jacket (5) be provided with coupling device oil-feed oil Road, work oil-in is located at coupling device pump impeller (3) path;The side of solid output shaft (7) passes through the input shaft (6) Cavity, and axle sleeve (1) is fixed with head, axle sleeve (1) is connected with output shaft (7) interference, and axle sleeve (1) one end is by bearing v (20) support, the other end is fixedly connected with fluid-flywheel clutch turbine (4), and coupling turbine (4) is fixedly connected with shell on the back (2);It is defeated The opposite side of shaft (7) is respectively equipped with brake rotor (10) and output gear (13), and by bearing i (16), bearing ii (17) It is supported in the housing (14), the brake rotor (10) is connected with output gear (13) with output shaft (7) interference;System Dynamic device stator (8) and brake cap (11) are fixed on housing (14), its endoporus be respectively equipped with comb channels oil sealing i (9), Oil sealing ii (12), oil sealing i (9) endoporus is mutually sealed with brake rotor side (10.1) axial plane external diameter, oil sealing ii (12) with Brake rotor opposite side (10.2) axial plane external diameter is mutually sealed;The oil sealing i (9), oil sealing ii (12) external diameter respectively with brake Stator (8), brake cap (11) endoporus interference connection;The input shaft (6) and output shaft (7) are by bearing i (16), bearing ii (17), bearing iii (18), bearing iv (19), bearing v (20) support on the same axis, the cavity of the input shaft (6) with it is defeated It is the gap that is slidably matched between shaft (7).
2. a kind of hydraulic power unit with coupling device and brake according to claim 1, it is characterised in that:It is described Brake stator (8) and rotor (10) blade top rake α angles be 30 °~60 °.
3. a kind of hydraulic power unit with coupling device and brake according to claim 2, it is characterised in that:Braking The top rake α best angles of device stator (8) and rotor (10) blade are 45 °.
4. a kind of hydraulic power unit with coupling device and brake according to claim 1, it is characterised in that:Institute Brake stator (8) blade stated is provided with inclination angle identical with blade fuel feed hole (8.1), is evenly distributed on phase root piece;Leaf Piece root is provided with outage (8.2), is evenly distributed on and is separated by root of blade.
5. a kind of hydraulic power unit with coupling device and brake according to any one of claim 1,2,4, its It is characterised by:The coupling device pump impeller (3) and coupling turbine (4), brake rotor (10), brake stator (8) structure are Monoblock cast.
CN201621028563.2U 2016-08-31 2016-08-31 A kind of hydraulic power unit with coupling device and brake Withdrawn - After Issue CN206246632U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621028563.2U CN206246632U (en) 2016-08-31 2016-08-31 A kind of hydraulic power unit with coupling device and brake

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621028563.2U CN206246632U (en) 2016-08-31 2016-08-31 A kind of hydraulic power unit with coupling device and brake

Publications (1)

Publication Number Publication Date
CN206246632U true CN206246632U (en) 2017-06-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621028563.2U Withdrawn - After Issue CN206246632U (en) 2016-08-31 2016-08-31 A kind of hydraulic power unit with coupling device and brake

Country Status (1)

Country Link
CN (1) CN206246632U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106438914A (en) * 2016-08-31 2017-02-22 中车大连机车研究所有限公司 Hydraulic transmission unit provided with coupler and brake
CN107314094A (en) * 2017-08-28 2017-11-03 大连创思福液力偶合器成套设备有限公司 A kind of stepless speed regulation and the rearmounted deceleration hydraulic transmission system of parking brake

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106438914A (en) * 2016-08-31 2017-02-22 中车大连机车研究所有限公司 Hydraulic transmission unit provided with coupler and brake
CN106438914B (en) * 2016-08-31 2018-09-11 中车大连机车研究所有限公司 A kind of hydraulic power unit with coupling device and brake
CN107314094A (en) * 2017-08-28 2017-11-03 大连创思福液力偶合器成套设备有限公司 A kind of stepless speed regulation and the rearmounted deceleration hydraulic transmission system of parking brake
CN107314094B (en) * 2017-08-28 2019-03-29 大连创思福液力偶合器成套设备有限公司 A kind of postposition deceleration hydraulic transmission system of stepless speed regulation and parking brake

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Granted publication date: 20170613

Effective date of abandoning: 20180911

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