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WO2002059482A1 - Unite integrale d'un moteur hydraulique a frein/generateur hydraulique et groupe de valve de commande - Google Patents

Unite integrale d'un moteur hydraulique a frein/generateur hydraulique et groupe de valve de commande Download PDF

Info

Publication number
WO2002059482A1
WO2002059482A1 PCT/BG2001/000018 BG0100018W WO02059482A1 WO 2002059482 A1 WO2002059482 A1 WO 2002059482A1 BG 0100018 W BG0100018 W BG 0100018W WO 02059482 A1 WO02059482 A1 WO 02059482A1
Authority
WO
WIPO (PCT)
Prior art keywords
hydraulic
brake
shaft
motor
housing
Prior art date
Application number
PCT/BG2001/000018
Other languages
English (en)
Other versions
WO2002059482B1 (fr
WO2002059482A8 (fr
Inventor
Angel Dimitrov Gadjanov
Pavlin Angelov Krastev
Original Assignee
M+S Hydraulic
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by M+S Hydraulic filed Critical M+S Hydraulic
Priority to AU2002220386A priority Critical patent/AU2002220386A1/en
Publication of WO2002059482A1 publication Critical patent/WO2002059482A1/fr
Publication of WO2002059482B1 publication Critical patent/WO2002059482B1/fr
Publication of WO2002059482A8 publication Critical patent/WO2002059482A8/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
    • F03C2/00—Rotary-piston engines
    • F03C2/08—Rotary-piston engines of intermeshing-engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
    • F04C15/0084—Brakes, braking assemblies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F04C2/103—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member one member having simultaneously a rotational movement about its own axis and an orbital movement
    • F04C2/104—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member one member having simultaneously a rotational movement about its own axis and an orbital movement having an articulated driving shaft

Definitions

  • This Invention is related to an integral unit of a hydraulic brake with a gerotor hydraulic motor and a control valve block and can be applied to hydraulic drive of working mechanisms in winches, hydraulic-hoisting construction, mine, vessel and other machines, where blocking of the drive at the stop of hydraulic power transmission supply to the unit and its release at a new hydraulic power transmission is required.
  • hydraulic brakes are well known as a separate device [1 ] suitable for connecting to the relevant type of hydraulic motors [2], independently of their design and they both form an integral unit for hydraulic drive of the above mentioned mechanisms. If the hydraulic motor design has the feature of assembling, a control valve block well known as a separate device [3] could be also assembled to the unit.
  • a disadvantage of this conception is the outcome of the enlarged mechanism, outline dimensions, especially in using pipe coupling elements the complication of the assembly and the dimension enlargement of the individual mechanisms in the machines in which they should be applied to, particularly in the mobile ones.
  • the hydraulic brake consists of a shaft, stored in a brake housing and a back flange, whereupon a pack of friction plates with statically fixed to the housing separated plates and friction discs engaged with shaft splines, pressed to each other with springs by a piston, is mounted in the brake housing.
  • the hydraulic motor front cover is located, which consists of a gerotor, including a stator, a rotor and rolls as well as a front distributor device, consisting of a rotary axial distributor and an immovable distribution plate.
  • the last two parts are placed in a back cover with two hydraulic fluid supplying ports, a pressing piston with a spring for axial clearance compensation is mounted in the front distribution device.
  • the rotor is mechanically connected with the hydraulic brake shaft by a cardan shaft and it is connected with the distributor by a valve drive.
  • a disadvantage of this conception is the fact that the hydraulic brake control is external; the functions of the hydraulic back flange and the hydraulic motor front cover have been kept as an individual part; i.e. the compactness is partial.
  • Another disadvantage is the fact that the hydraulic brake and the hydraulic motor drain chambers are not separated from each other. For that reason some of the functions in the brake drain chambers could not be completed.
  • a control valve block is not integrated to the described unit.
  • the hydraulic brake consists of an output shaft; this shaft has simultaneously a function of a radial distributor, rotating in the distributor housing.
  • a gerotor including a stator, a rotor and rolls is fixed to the back shaft end.
  • the rotor is mechanically connected to the output shaft by a cardan shaft.
  • the hydraulic brake housing is assembled behind the gerotor.
  • Brake shaft is a hydraulic motor cardan shaft prolongation. Friction disks are engaged to the brake shaft and the separated plates are statically fixed to the housing.
  • a piston is mounted in the brake housing, which is closed by a flange and a back cover. The pack of friction plates is pressed by springs through the piston and an additional disk. Working space for brake hydraulic control between piston head and flange side is provided.
  • a disadvantage of this conception is the fact that the unit outline dimension in axial direction is highly enlarged.
  • the hydraulic brake contains increased number of parts which leads to complicated spring force transmission to friction plates.
  • An other disadvantage is that the brake shaft is integrated with the hydraulic motor cardan shaft, whose engaged with the rotor part makes the planetary motion and brake friction disks are forced into a motion. As a result, an increased heat release is obtained in that friction disks engagement.
  • the hydraulic brake control is external and a control valve block is not integrated.
  • the purpose of that invention is to eliminate the well-known conception disadvantages and to develop an integral unit - a hydraulic brake/gerotor motor with both hydraulic fluid front distribution and radial distribution as well as the control valve block, whereupon minimum outline dimensions, mass and function improvement of the unit are achieved.
  • the problem is solved by inventing an integral unit of a hydraulic brake development with a gerotor motor and a control valve block, consisting of a shaft, stored in a housing and a hydraulic brake back flange in which the brake back flange and the hydraulic motor front cover with hydraulic fluid front distribution, respectively distribution housing of the hydraulic motor with hydraulic fluid radial distribution are united in one assembly.
  • a brake shaft pressure seal placed in that assembly, separates the drain chambers of the hydraulic brake and of the hydraulic motor.
  • a control valve block with supplying ports is mounted on the hydraulic motor connecting surface and it includes different valve types according to the hydraulic motor function, as a the availability of the hydraulic shuttle valve is compulsory.
  • a passageway for sending a control hydraulic signal is made as to activate the brake.
  • a pipe line for control hydraulic signal transmission is made between the shuttle valve of the control valve block and the brake housing.
  • the advantages of the integral unit invention are as follows: as a result of brake and hydraulic motor drain chambers separation it is possible to assemble some control elements (vent hole, oil-level sight, magnet collector) or to transmit coolant through the drain chambers as to remove a portion of the heat, released in frequent brake friction plates activation. This activation is performed by hydraulic control signal transmission through an internal passageway.
  • the present invention is with minimum outline dimensions and mass as a result of device integration and allows the assembly simplifying of working mechanisms, put in motion by the unit.
  • Figure 1 Is an axial section view showing one embodiment of the present invention - hydraulic brake/gerotor motor with hydraulic fluid front distribution and control valve block integral unit-
  • Figure 2. is an axial section view showing another embodiment of the present invention - hydraulic brake/gerotor motor with hydraulic fluid radial distribution and control valve block integral unit;
  • Figure 3. is an axial section view of hydraulic brake/gerotor motor and control valve block integral unit with separate pipe line for hydraulic control signal between control valve block and hydraulic brake.
  • Figure 4. is a schematic diagram of the present invention, wherein the control valve block contains a pair of relief-check valve and a shuttle valve.
  • the integral unit of the hydraulic brake/gerotor motor with hydraulic fluid front distribution and a control valve block consists of a shaft 1 , stored by two rolling bearings 2 and 3: 2 in a housing 4 and 3 in a hydraulic brake back flange 5.
  • a pack of friction plates with statically fixed to the housing 4 separating plates 6 and friction disks 7 engaged with shaft 1 splines is mounted. Disks are pressed to each other with springs 8 by the piston 9.
  • a working space 1 1 is formed, where the hydraulic control flow is transmitted for the brake activation.
  • the hydraulic brake On the front side the hydraulic brake is sealed with rubber rings: 12 (housing 4 and front cover 13) and 14 (shaft 1 , radially).
  • a back flange 5 is fixed to the housing 4 by bolts 15. Simultaneously the back flange 5 operates as a support front cover of the hydraulic motor which contains a gerotor, including a stator 16, a rotor 17 and rolls 18 as well as a front distribution device, including a rotary axial distributor 19 and an immovable valve plate 20, assembled in a back cover 21.
  • the back cover 21 has two hydraulic fluid supplying ports 22 and 23.
  • a pressing piston 24 with a figure spring 25 for axial clearance compensation in the front distribution device of the hydraulic motor is also mounted in the hydraulic motor back cover 21 .
  • the gerotor 16, 17, 18 and the back cover 21 are fixed to the flange 5 with four bolts 26.
  • the rotor 17 is mechanically connected with the hydraulic brake shaft 1 by a cardan shaft 27 and with the valve drive 28 is connected to distributor 19.
  • the back shaft end 1 is packed with radial seal 29, mounted in a seat of the flange 5. That shaft seal ring separates the internal drain chambers of the brake and the hydraulic motor.
  • the brake drain chamber is connected to a pipe line by a port 30 and the hydraulic motor drain chamber - by a port 31 .
  • To the motor back cover connecting surface 21 a control valve block 33 with fluid supplying ports 34 is mounted by bolts 32.
  • Different valve types anti-shock valve, relief- check valve, spool valve, etc.
  • control valve block 33 could be included in the control valve block 33, as only the availability of the hydraulic shuttle valve 35 is compulsory (see figure 4).
  • control passageway 36 (see figure 1 ) that valve 35 provides connection between one of the supplying ports 34 in the control valve block 33, to which hydraulic fluid is transferred at a certain time and the brake working space 1 1 .
  • Passageway 36 is made in the parts between the hydraulic shuttle valve 35 and the brake working space 1 1 .
  • the integral unit of the hydraulic brake/gerotor motor with hydraulic fluid front distribution and a control valve block consists of a shaft 1 , stored by two rolling bearings 2 and 3: 2 in a housing 4 and 3 in a hydraulic brake back flange 5.
  • a pack of friction plates with statically fixed to the housing 4 external plates 6 and friction disks 7 engaged with shaft 1 splines is mounted.
  • Disks are pressed to each other with springs 8 by the piston 9. Between the piston 9 and the immovable ring 10 a working space 1 1 is formed, where the hydraulic control flow is transmitted for the brake activation.
  • On the front side the hydraulic brake is sealed with rubber rings: 12 (housing 4 and front cover 13) and 14 (shaft 1 , radially).
  • a back flange 5 is fixed to the housing 4 by bolts 15. Simultaneously the back flange 5 operates as a hydraulic motor distribution device.
  • a radial distributor 38 activated by a shat 1 through a pin 39 is mounted to the central hole of flange 5.
  • a gerotor, including a stator 16, rotor 17 and rolls 18 is fixed with bolts 40 at the back connecting surface of flange 5.
  • the rotor 17 is mechanically connected with the hydraulic brake shaft 1 by spline joints and cardan shaft 43, passing through distributor 38 cavity.
  • a radial seal 4, placed in a seat of flange 5 separates the drain chambers of the brake and the hydraulic motor.
  • a control valve block 33 with fluid supplying ports 34 is mounted to the upper flange connecting surface 5 by bolts 32. Different valve types could be included in the control valve block 33, as only the availability of the hydraulic shuttle valve 35 is compulsory (see figure 4). That valve 35 provides ⁇ connection between the input port 34 in the control valve block 33 and the working space 1 1 by the control passageway 45, made in the brake housing 4 and the flange 5.
  • the rotor 17 is rotated by the hydraulic fluid. That rotation is transferred to shaft 1 by cardan shaft 27 or 43. As a result the working mechanism is set in motion.
  • the unit function is realised by analogical way: shaft 1 rotation is made in the opposite direction and the control flow for brake release from the supplying inlet port 34 is fed by the shuttle valve 35.
  • the control flow entering into the brake working space 1 1 is also interrupted. Separating plates 6 and friction disks 7 are pressed with springs 8 by piston 9 and as a result the shaft rotation 1 is blocked again.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Hydraulic Motors (AREA)
  • Braking Arrangements (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

Cette unité intégrale est caractérisée par ses dimensions réduites, sa faible masse et par les améliorations apportées au fonctionnement de l'unité. Elle est constituée d'un arbre (1) monté dans un boîtier (4) et d'une bride à l'arrière d'un frein hydraulique. Les couvercles de support avant et arrière du moteur hydraulique, avec distribution avant du liquide hydraulique, ainsi que le boîtier du distributeur du moteur hydraulique à distribution radiale du liquide hydraulique, sont intégrés dans une partie (5) dans laquelle est placé un joint radial (29, 44) pour un arbre (1) qui sépare les chambres de drain du frein et du moteur hydraulique. Un groupe de valves de commande (33), qui comprend au moins une valve de commande hydraulique (35), est monté à la surface de raccordement du moteur hydraulique de manière à former entre la valve de commande (35) et l'espace de travail (11) du frein un canal (36, 45) ou un tuyau (37) interne destiné à acheminer le signal de commande hydraulique.
PCT/BG2001/000018 2001-01-26 2001-11-29 Unite integrale d'un moteur hydraulique a frein/generateur hydraulique et groupe de valve de commande WO2002059482A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002220386A AU2002220386A1 (en) 2001-01-26 2001-11-29 An integral unit of a hydraulic brake/gerotor hydraulic motor and a control valve block

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BG105187A BG105187A (en) 2001-01-26 2001-01-26 Hydraulic brake, complete with planetary hydraulic engine and controlling valve unit
BG105187 2001-01-26

Publications (3)

Publication Number Publication Date
WO2002059482A1 true WO2002059482A1 (fr) 2002-08-01
WO2002059482B1 WO2002059482B1 (fr) 2002-12-27
WO2002059482A8 WO2002059482A8 (fr) 2003-07-31

Family

ID=3928289

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/BG2001/000018 WO2002059482A1 (fr) 2001-01-26 2001-11-29 Unite integrale d'un moteur hydraulique a frein/generateur hydraulique et groupe de valve de commande

Country Status (3)

Country Link
AU (1) AU2002220386A1 (fr)
BG (1) BG105187A (fr)
WO (1) WO2002059482A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104314745A (zh) * 2014-10-16 2015-01-28 镇江大力液压马达股份有限公司 一种摆线液压马达通油孔
CN107956636A (zh) * 2018-01-18 2018-04-24 镇江大力液压马达股份有限公司 一种液压制动马达
EP3401540A1 (fr) * 2017-04-13 2018-11-14 Eaton Intelligent Power Limited Frein pour un moteur hydraulique
CN111980913A (zh) * 2019-05-23 2020-11-24 镇江大力液压马达股份有限公司 一种液压制动马达装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103727084B (zh) * 2014-01-08 2016-07-13 天津大学 液压集成块元件布局设计方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0421616A2 (fr) * 1989-10-03 1991-04-10 Parker Hannifin Corporation Dispositif hydraulique
US5228846A (en) * 1991-11-25 1993-07-20 Eaton Corporation Spline reduction extension for auxilliary drive component
DE4420270A1 (de) * 1994-06-10 1995-12-14 Hydraulik Nord Gmbh Gerotormotor mit Haltefunktion
EP0931936A1 (fr) * 1998-01-23 1999-07-28 Eaton Corporation Moteur à engrenage intérieur et soupape commutateur avec frein de stationnement
US6158993A (en) * 1997-10-11 2000-12-12 Danfoss Fluid Power A/S Hydraulic motor
EP1070847A2 (fr) * 1999-07-22 2001-01-24 Eaton Corporation Moteur hydraulique avec engrenage intérieur et frein de stationnement

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0421616A2 (fr) * 1989-10-03 1991-04-10 Parker Hannifin Corporation Dispositif hydraulique
US5228846A (en) * 1991-11-25 1993-07-20 Eaton Corporation Spline reduction extension for auxilliary drive component
DE4420270A1 (de) * 1994-06-10 1995-12-14 Hydraulik Nord Gmbh Gerotormotor mit Haltefunktion
US6158993A (en) * 1997-10-11 2000-12-12 Danfoss Fluid Power A/S Hydraulic motor
EP0931936A1 (fr) * 1998-01-23 1999-07-28 Eaton Corporation Moteur à engrenage intérieur et soupape commutateur avec frein de stationnement
EP1070847A2 (fr) * 1999-07-22 2001-01-24 Eaton Corporation Moteur hydraulique avec engrenage intérieur et frein de stationnement

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104314745A (zh) * 2014-10-16 2015-01-28 镇江大力液压马达股份有限公司 一种摆线液压马达通油孔
EP3401540A1 (fr) * 2017-04-13 2018-11-14 Eaton Intelligent Power Limited Frein pour un moteur hydraulique
US10781816B2 (en) 2017-04-13 2020-09-22 Eaton Intelligent Power Limited Hydraulic motor brake
CN107956636A (zh) * 2018-01-18 2018-04-24 镇江大力液压马达股份有限公司 一种液压制动马达
CN111980913A (zh) * 2019-05-23 2020-11-24 镇江大力液压马达股份有限公司 一种液压制动马达装置

Also Published As

Publication number Publication date
BG105187A (en) 2002-07-31
WO2002059482B1 (fr) 2002-12-27
AU2002220386A1 (en) 2002-08-06
WO2002059482A8 (fr) 2003-07-31

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