CN2619064Y - Shell rotary type inner curve hydraulic motor - Google Patents
Shell rotary type inner curve hydraulic motor Download PDFInfo
- Publication number
- CN2619064Y CN2619064Y CN 03226808 CN03226808U CN2619064Y CN 2619064 Y CN2619064 Y CN 2619064Y CN 03226808 CN03226808 CN 03226808 CN 03226808 U CN03226808 U CN 03226808U CN 2619064 Y CN2619064 Y CN 2619064Y
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- China
- Prior art keywords
- oil
- shell
- oil distribution
- hydraulic motor
- distributing shaft
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- Expired - Lifetime
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- Hydraulic Motors (AREA)
- Sealing Devices (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
A shell rotating type curve hydraulic motor consists of a stator, a centering roller bearings, a low pressure seal ring, a large end cover, an oil distribution shaft, an oil distribution sleeve, a beam rolling wheel pair, a rotor, a piston, a single row radial ball bearing, a guide rail, a cross joint, a small end cover, an O shape seal ring, a poking fork, a micro-adjusting screw. The torque is output by the shell. The oil distribution shaft is provided with two oil circuits. The oil distribution sleeve is provided with two groups of window which are mutually arranged. The oil distribution sleeve and the oil distribution shaft are fit with an interference fit. The two oil circuits of the oil distribution shaft are respectively connected with the two groups of window of the oil distribution sleeve. The window on the oil distribution sleeve is connected with the stator piston cylinder hole. the characteristics are that the torque is output by the shell, the oil distribution shaft can float freely, the running speed is slow, starting torque is big, output torque is big, stepless speed regulation is realized, low speed stability performance is good, the structure is compact, and the using life is long. The hydraulic motor can be applied in the mechanism where slow speed rotating is required, such as mining, metallurgy, ship, etc.
Description
Technical field
The utility model relates to a kind of plunger hydraulic motor, and especially a kind of shell-rotating type hydraulic motor with inner curved piston belongs to the Hydraulically Operated Equipment class.
Technical background
Present domestic plunger hydraulic motor has only the pivoting motor, and the pivoting motor drive shaft is to oversize, and complete machine weight is excessive, and joins oil in the axle commentaries on classics motor and pay employing non-full floating design, easily loses efficacy, and is difficult to working life improve, and sealing effect is also undesirable.
Summary of the invention
It is little that purpose of the present invention just provides a kind of axial dimension, in light weight, long service life, a kind of shell-rotating type hydraulic motor with inner curved piston of good sealing effect.
The technical solution of the utility model realizes by following approach, it is by stator, selfaligning roller bearing, the low pressure seal circle, big end cap, oil distributing shaft, join oil jacket, the crossbeam roller is paid, rotor, plunger, single-row radial ball bearing, guide rail, the cross joint, little end cap, O-ring seals, shift fork, micrometer adjusting screw is formed, come output torque by motor case (rotor), wherein be provided with two oil circuits in the oil distributing shaft, join oil jacket and be provided with two group windows of interaction arrangement, joining oil jacket and oil distributing shaft is the interference fit equipment, and two oil circuits of oil distributing shaft respectively with join oil jacket on two group windows communicate, the window of joining on the oil jacket communicates with the plunger case hole of stator again, plunger connects the crossbeam roller and pays, the crossbeam roller is paid the guide surface contact, and guide rail is connected with rotor with pin by screw.
Owing to adopt housing (rotor) output torque, can make needs the complete machine structure of low-speed running operation mechanism further to simplify, shorten the axial dimension of operation mechanism greatly, reduce complete machine weight, when work-yard and complete machine weight are restricted, adopt shell to change motor and more can embody its structural superiority; Owing to adopt the oil distributing shaft float design, make oil distributing shaft free floating in stator cavity, be not subjected to the effect of axial force and radial force, avoided joining oil in the axle commentaries on classics motor and paid the phenomenon of often burning to death, therefore can dwindle the gap of joining between oily the paying, improve volumetric efficiency, can improve its working life again greatly; Owing to adopt low pressure seal design and the design of triangle slot type static seal, improved the sealing effect of motor greatly; Because labyrinth seal has been adopted in the sealing of joining between oil pair high and low pressure oil, has improved sealing effect greatly, thereby has improved the volumetric efficiency of motor.Being widely used in digging, metallurgy, boats and ships etc. needs in the operation mechanism of low-speed running, as: engineering machinery, plastics machinery, Hoisting Machinery, mining machinery, ship machinery, army's construction machinery, chemical machinery, sugar manufacturing machinery, cement machinery, metallurgical machinery, light industry and machinery etc.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is these two secondary axes flow schematic representation.
Fig. 3 is cross joint transmission schematic representation.
Fig. 4 is a labyrinth oil sealing schematic representation.
Fig. 5 is the second secondary axes flow schematic diagram.
Wherein: stator-1, selfaligning roller bearing-2, low pressure seal circle-3, big end cap-4, oil distributing shaft-5, join that oil jacket-6, crossbeam roller pay-7, rotor-8, plunger-9, single-row radial ball bearing-10, guide rail-11, cross joint-12, little end cap-13, O-ring seals-14, shift fork-15, micrometer adjusting screw-16, stator inner prop plug cylinder hole-17, the second secondary axes flow face-18, the first secondary axes flow face-19.
Embodiment
Describe embodiment of the present utility model and working principle in detail below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of shell-rotating type hydraulic motor with inner curved piston, by stator 1, selfaligning roller bearing 2, low pressure seal circle 3, big end cap 4, oil distributing shaft 5, join oil jacket 6, the crossbeam roller pays 7, rotor 8, plunger 9, single-row radial ball bearing 10, guide rail 11, cross joint 12, small end lid 13, O-ring seals 14, shift fork 15, micrometer adjusting screw 16 is formed, come output torque by motor case (rotor), be provided with two oil circuits in the oil distributing shaft 5, join oil jacket 6 and be provided with two group windows of interaction arrangement, join oil jacket 6 and be the interference fit equipment with oil distributing shaft 5, and two oil circuits of oil distributing shaft 5 respectively with join oil jacket 6 on two group windows communicate, the window of joining on the oil jacket 6 communicates with the plunger case hole 17 of stator 1 again, plunger 9 connects the crossbeam roller and pays 7, the crossbeam roller is paid 7 and is contacted with guide rail 11 curved surfaces, and guide rail 11 is connected with rotor 8 with pin by screw.Rotor guide rail 11 working curved surfaces evenly distribute by 8 sections and the identical curved surface of shape is formed, and plunger 9 turns over one section curved surface relatively, and plunger case is just finished an oil-feed and oil extraction process, i.e. motor effect once, working curved surface has 8 sections, then the effect number of times of motor is 8 times; Rotor guide rail 11 is to divide body structure with rotor matrix 8, helps the processing and the installation of guide rail like this, and rotor guide rail 11 adopts the GCr15 materials, and rotor matrix 8 adopts the QT450-10 materials, and the two adopts straight pin and socket head screw to tighten together; Plunger 9 in the stator 1 in the plunger case arranges that for double-row type a row is 14 plungers, amounts to 28 plungers, can fully improve the output torque of motor like this; The motor flow adopts two secondary axes flow modes, the filler opening of hydraulic oil from stator 1 to oil distributing shaft 5 is the first secondary axes flow, by joining oil pair window to stator 1 a plunger case hole is the second secondary axes flow, has satisfied shell and has changeed motors designs, structural needs (referring to Fig. 2); Adopt cross joint 12 to be connected between oil distributing shaft 5 and the shift fork 15, constitute the transmission of cross joint,, make oil distributing shaft 5 free floating in stator cavity, be not subjected to the effect (referring to Fig. 3) of axial force and radial force in assurance oil distributing shaft and synchronous operated while of rotor; Micrometer adjusting screw 16 constitutes micro-tensioning system with shift fork 15, in transmitting torque, assurance oil distributing shaft and synchronous operated while of rotor, can adjust the relative position between oil distributing shaft flow window and the guide rail curve again; Join oil and pay the oil sealing of the sealing employing labyrinth between high and low pressure oil, improved sealing effect like this, thereby improved the volumetric efficiency (referring to Fig. 4) of motor.
As shown in Figure 5, be provided with two oil circuits in the oil distributing shaft 5, join oil jacket 6 and be provided with two group windows of interaction arrangement, join oil jacket 6 and be the interference fit equipment with oil distributing shaft 5, by certain passage, oil circuit on the oil distributing shaft is communicated with a group window on joining oil jacket, another oil circuit on the oil distributing shaft communicates with another group window on joining oil jacket, hydraulic oil is by such distribution, be full of high pressure oil in the feasible group window of joining on the oil jacket, and be the low pressure oil return in another group window, axle flow principle that Here it is.
Low pressure seal circle 3 is Y
xType has improved the sealability under the low pressure situation.
O-ring seals 14 adopts triangle slot type seal arrangement, has improved sealing effect.
According to the structure needs, adopt and leak oil by oil extraction mode in the stator cavity; Adopt selfaligning roller bearing 2, improved installation and behaviour in service that shell changes motor.
Working principle of the present utility model is: high pressure oil is introduced by the filler opening of stator 1, the dispensing window of the first secondary axes flow face 19 that process stator 1 and oil distributing shaft are 5 enters in the oil distributing shaft 5, the dispensing window of the second secondary axes flow face 18 by 1 of oil distributing shaft 5 and stator enters in the plunger case hole 17 of stator 1 again, the plunger 9 that promotes in the plunger case hole 17 is extrapolated along the cylinder hole wall, paying 7 by the crossbeam roller acts on the guide rail 11, and roller contacts for curved surface with guide rail 11, the hydraulic coupling that acts on the guide rail can produce tangential component, this hydraulic pressure tangential component will promote guide rail 11 and rotate, and guide rail 11 rotates by screw and the pin promotion rotor 8 that is connected with rotor 8.Meanwhile, adjacent crossbeam roller is paid 7 ecto-entad slips under the effect in guide rail 11 backhaul districts, promoting plunger 9 inwardly slides, low pressure oil in the stator 1 inner prop plug cylinder is discharged, low pressure oil enters in the oil distributing shaft 5 by the dispensing window of the second secondary axes flow face 18 of 5 of stator 1 and oil distributing shafts, enter oil duct in the stator 1 by the first secondary axes flow face 19 between oil distributing shaft 5 and stator again, derive by the oil outlet in the stator 1.When this group roller turned over when the fromer rail active region, next adjacent with it group roller entered the active region again, thereby makes oil hydraulic motor be able to continuous running, changes high and low pressure oil circuit in the stator 1, and the sense of rotation of motor also changes thereupon.
Claims (6)
1. shell-rotating type hydraulic motor with inner curved piston, by stator (1), selfaligning roller bearing (2), low pressure seal circle (3), big end cap (4), oil distributing shaft (5), join oil jacket (6), the crossbeam roller is paid (7), rotor (8), plunger (9), single-row radial ball bearing (10), guide rail (11), cross joint (12), little end cap (13), O-ring seals (14), shift fork (15), micrometer adjusting screw (16) is formed, it is characterized in that being provided with in the oil distributing shaft (5) two oil circuits, join oil jacket (6) and be provided with two group windows of interaction arrangement, join oil jacket (6) and be the interference fit equipment with oil distributing shaft (5), and two oil circuits of oil distributing shaft (5) respectively with join oil jacket (6) on two group windows communicate, the window of joining on the oil jacket (6) communicates with the plunger case hole (17) of stator (1) again, plunger (9) connects the crossbeam roller and pays (7), the crossbeam roller is paid (7) and is contacted with guide rail (11) curved surface, and guide rail (11) is connected with rotor (8) with pin by screw.
2. a kind of shell-rotating type hydraulic motor with inner curved piston according to claim 1 is characterized in that adopting between described oil distributing shaft (5) and the shift fork (15) cross joint (12) to be connected.
3. a kind of shell-rotating type hydraulic motor with inner curved piston according to claim 1 is characterized in that described sealing employing labyrinth oil seal structure of joining between oil pair high and low pressure oil.
4. a kind of shell-rotating type hydraulic motor with inner curved piston according to claim 1 is characterized in that described low pressure seal circle (3) is Y
xType.
5. a kind of shell-rotating type hydraulic motor with inner curved piston according to claim 1 is characterized in that described O-ring seals (14) adopts triangle slot type seal arrangement.
6. a kind of shell-rotating type hydraulic motor with inner curved piston according to claim 1 is characterized in that described micrometer adjusting screw (16) and shift fork 15 composition micro-tensioning systems.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03226808 CN2619064Y (en) | 2003-01-16 | 2003-01-16 | Shell rotary type inner curve hydraulic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03226808 CN2619064Y (en) | 2003-01-16 | 2003-01-16 | Shell rotary type inner curve hydraulic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2619064Y true CN2619064Y (en) | 2004-06-02 |
Family
ID=34246734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03226808 Expired - Lifetime CN2619064Y (en) | 2003-01-16 | 2003-01-16 | Shell rotary type inner curve hydraulic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2619064Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493913A (en) * | 2011-12-13 | 2012-06-13 | 周伟 | Shell turn type inner-curve radial plunger hydraulic motor |
| CN104493667A (en) * | 2014-11-26 | 2015-04-08 | 宁波中意液压马达有限公司 | Manufacturing method for inner-curve hydraulic motor rail |
| CN106194571A (en) * | 2016-09-14 | 2016-12-07 | 杨健 | A kind of rotary casing type hydraulic motor |
| CN106698239A (en) * | 2016-12-13 | 2017-05-24 | 余深权 | Oil pressure jack guide pillar eccentric wheel |
| CN106988958A (en) * | 2017-04-05 | 2017-07-28 | 温州职业技术学院 | Low-speed big axial-piston hydraulic motor |
| CN107420036A (en) * | 2017-06-12 | 2017-12-01 | 陕西太合科技有限公司 | A kind of underground coal mine tunnel directional drilling machine |
| WO2018090159A1 (en) * | 2016-11-18 | 2018-05-24 | 秦皇岛正时乐液压设备有限公司 | Internally curved low-speed high-torque hydraulic motor with torque being output by means of rotation of housing |
-
2003
- 2003-01-16 CN CN 03226808 patent/CN2619064Y/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493913A (en) * | 2011-12-13 | 2012-06-13 | 周伟 | Shell turn type inner-curve radial plunger hydraulic motor |
| CN102493913B (en) * | 2011-12-13 | 2015-05-13 | 宁波德辰液压科技有限公司 | Shell turn type inner-curve radial plunger hydraulic motor |
| CN104493667A (en) * | 2014-11-26 | 2015-04-08 | 宁波中意液压马达有限公司 | Manufacturing method for inner-curve hydraulic motor rail |
| CN106194571A (en) * | 2016-09-14 | 2016-12-07 | 杨健 | A kind of rotary casing type hydraulic motor |
| CN106194571B (en) * | 2016-09-14 | 2018-01-09 | 杨健 | A kind of rotary casing type hydraulic motor |
| WO2018090159A1 (en) * | 2016-11-18 | 2018-05-24 | 秦皇岛正时乐液压设备有限公司 | Internally curved low-speed high-torque hydraulic motor with torque being output by means of rotation of housing |
| EP3460229A4 (en) * | 2016-11-18 | 2019-12-04 | Qinhuangdao Zenmax Hydraulic Equipments Co., Ltd. | Internally curved low-speed high-torque hydraulic motor with torque being output by means of rotation of housing |
| CN106698239A (en) * | 2016-12-13 | 2017-05-24 | 余深权 | Oil pressure jack guide pillar eccentric wheel |
| CN106988958A (en) * | 2017-04-05 | 2017-07-28 | 温州职业技术学院 | Low-speed big axial-piston hydraulic motor |
| CN106988958B (en) * | 2017-04-05 | 2018-09-18 | 温州职业技术学院 | Low-speed big axial-piston hydraulic motor |
| CN107420036A (en) * | 2017-06-12 | 2017-12-01 | 陕西太合科技有限公司 | A kind of underground coal mine tunnel directional drilling machine |
| CN107420036B (en) * | 2017-06-12 | 2023-04-28 | 陕西太合智能钻探有限公司 | Directional drilling machine for underground tunnel of coal mine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XIANGMEI LIDA MINE EQUIPMENT CO., LTD. Free format text: FORMER OWNER: ZHUZHOU COAL MINE MACHINERY FACTORY Effective date: 20100611 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 412000 NO.115, XINHUA EAST ROAD, ZHUZHOU CITY, HUNAN PROVINCE TO: 412003 NO.699, XINHUA EAST ROAD, ZHUZHOU CITY, HUNAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100611 Address after: 412003 No. 699 Xinhua East Road, Hunan, Zhuzhou Patentee after: Xiangmei Leader Mining Equipment Co., Ltd. Address before: 412000 No. 115 Xinhua East Road, Hunan, Zhuzhou Patentee before: Zhuzhou Coal Mine Machinery Plant |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130116 Granted publication date: 20040602 |