CN205117605U - Oily tilt cylinder plunger type hydraulic motor is joined in marriage to axle - Google Patents

Oily tilt cylinder plunger type hydraulic motor is joined in marriage to axle Download PDF

Info

Publication number
CN205117605U
CN205117605U CN201520910690.4U CN201520910690U CN205117605U CN 205117605 U CN205117605 U CN 205117605U CN 201520910690 U CN201520910690 U CN 201520910690U CN 205117605 U CN205117605 U CN 205117605U
Authority
CN
China
Prior art keywords
oil
axle
hydraulic motor
axial
housing
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Withdrawn - After Issue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
CN201520910690.4U
Other languages
Chinese (zh)
Inventor
吴海荣
贺华玲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Hanzhu Hydraulic Motor Co Ltd
Original Assignee
Ningbo Hanzhu Hydraulic Motor Co Ltd
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 Ningbo Hanzhu Hydraulic Motor Co Ltd filed Critical Ningbo Hanzhu Hydraulic Motor Co Ltd
Priority to CN201520910690.4U priority Critical patent/CN205117605U/en
Application granted granted Critical
Publication of CN205117605U publication Critical patent/CN205117605U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model relates to an oily tilt cylinder plunger type hydraulic motor is joined in marriage to axle, including casing and bent axle, the bent axle is transversely installed to the inside of casing, leads to the axial oil distributor that food tray internally mounted has one end and bent axle axial to be connected, and the bearing housing has been cup jointed at the middle part of bent axle, the internal layout of casing has the tilt cylinder, this tilt cylinder is inside has arranged a plurality of plunger round the bearing housing, first business turn over hydraulic fluid port and second business turn over hydraulic fluid port have been opened on the lateral wall of logical food tray side by side, the axial oil distributor is the cylinder, its outside axial opened in proper order respectively with first business turn over hydraulic fluid port and communicating oil ring groove of advancing of second business turn over hydraulic fluid port and play oil ring groove, on the axial oil distributor with leading to the oil duct corresponding position still the symmetry open and have a pair of arc wall, advance oil ring groove and go out oil ring groove and communicate with each other with two arc walls from the axial oil distributor is inside respectively. The utility model discloses simple structure joins in marriage oily job stabilization, and difficult wearing and tearing improve the fluid problem of generating heat, have prolonged hydraulic motor's life.

Description

A kind of axle joins oily swing cylinder plunger hydraulic motor
Technical field
The utility model relates to oil hydraulic motor field, particularly relates to a kind of axle and joins oily swing cylinder plunger hydraulic motor.
Background technique
At present, oil hydraulic motor has been widely used in various engineering field, oil hydraulic motor generally refers to and carries out exporting rotary motion, and the hydraulic energy provided by oil hydraulic pump changes the energy conversion device of mechanical energy into, can be divided at a high speed and low speed two class greatly by the rated speed of oil hydraulic motor.High-speed hydraulic motor is divided into gear type, screw type and blade type substantially, and their main feature is that rotating speed is higher, rotary inertia is little and regulates highly sensitive; The main feature of low speed hydraulic motor is that discharge capacity is large, volume is large and rotating speed is low, and without the need to speed reducer; But the equal complicated structure of this two classes motor, and additional valve block is long-pending comparatively large, can not better meet user demand; In prior art, the working pressure of oil hydraulic motor is relatively low, joins oily mode based on planar oil distributing, and work under the environment that pressure is higher, copper cushion block is easy to wear up to distortion; In addition, because friction is comparatively large, fluid heating is serious, and the oil overheating of hydraulic system, a series of problem causing hydraulic actuator normally to work can be caused.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of axle and joins oily swing cylinder plunger hydraulic motor, and structure is simple, joins oily working stability, not easy to wear, improves fluid heating problem, extends the working life of oil hydraulic motor.
The utility model solves the technological scheme that its technical problem adopts: provide a kind of axle to join oily swing cylinder plunger hydraulic motor, comprise housing and bent axle, the inner transverse of described housing is provided with bent axle, and one end of this housing is provided with logical food tray, this logical food tray inside is provided with one end with Crankshaft to the axial oil distribution device be connected, the middle part of described bent axle is socketed with bearing housing, the internal placement of described housing has tilt cylinder, this tilt cylinder inside is furnished with several plungers around bearing housing, the sidewall of described logical food tray has side by side the first oil inlet and outlet and the second oil inlet and outlet, the oil canal communicated with housing cavity is furnished with in described logical food tray,
Described axial oil distribution device is cylindrical body, its outboard shafts is to having the oil-feed annular groove that communicates with the first oil inlet and outlet and the second oil inlet and outlet respectively successively and going out oil ring groove, position corresponding with oil canal on described axial oil distribution device also symmetry has a pair curve bath, described oil-feed annular groove and go out oil ring groove respectively from axial oil distribution device inside communicate with two curve baths.
Supplement as one, described plunger is furnished with the reaction oil groove communicated with plunger cavity towards one end of bearing housing, location arrangements corresponding with reaction oil groove on the outer side wall of described bearing housing has arc static balance oil groove.
Supplement as to the one of technological scheme described in the utility model, the inwall of described housing has housing static balance groove with tilt cylinder cooperation place.
Supplement as to the one of technological scheme described in the utility model, between described bearing housing and bent axle, add some cylindrical rollers.
Further, the position outer side wall of described axial oil distribution device being positioned at the axial both sides of curve bath has all been arranged symmetrically with static balance oil groove.
Further, described housing is docked by protecgulum and bonnet and forms.
Further, one end of described axial oil distribution device is connected with bent axle by cross key.
Further, axially some seal rings are evenly installed between the outer side wall of described axial oil distribution device and logical food tray.
beneficial effect
Compared with prior art, axle of the present invention joins oily swing cylinder plunger hydraulic motor, has static balance groove at housing and tilt cylinder cooperation place, can offset the reaction force of tilt cylinder to motor casing, make its cooperation place form oil film, so both improve the mechanical efficiency that wear resistance turn improves oil hydraulic motor;
Form crankshaft group by bent axle, bearing housing and bearing, by its Spielpassung, and produce rolling friction, greatly reduce the frictional force between plunger and bearing housing, improve the mechanical efficiency of motor further;
Reaction oil groove and arc static balance oil groove are driven in plunger and bearing housing joint, high pressure oil herein can produce a reaction force, bearing housing and plunger fitting surface is made to play the effect of static balance, thus the friction reduced between plunger and bearing housing, the little oil liquid temperature of frictional force can be effectively controlled;
There is static balance oil groove can make to form oil film between bent axle and logical food tray, reduce friction factor and just can effectively control fluid heating problem;
Oil distributing shaft has static balance oil groove, make the balance of the radial pressure acted on oil distributing shaft, the wearing and tearing of slidingsurface can be alleviated, also can leak by control gap, substantially increase the volumetric efficiency of motor like this;
The impact resistance of oil hydraulic motor described in the utility model is strengthened greatly, can carry the high pressure of 35Mpa, greatly extends its working life.
The working pressure of current oil hydraulic motor is relatively low; join oily mode based on planar oil distributing; work under the environment that pressure is higher; copper cushion block is easy to wear up to distortion; and in the present invention, adopt the mode of axial oil distribution well to avoid these problems, also can control oil temperature rises, and makes hydraulic element can obtain certain protection; improve working environment, thus motor is improved working life.
Accompanying drawing explanation
Fig. 1 is shape assumption diagram of the present utility model;
Fig. 2 is that master of the present utility model is depending on partly cuing open structural drawing;
Fig. 3 is the bio-occlusion oil condition three-dimensional cutaway view of axial oil distribution device described in the utility model;
Fig. 4 is the bio-occlusion oil condition front sectional view of axial oil distribution device described in the utility model;
Fig. 5 is the oil sealing state three-dimensional cutaway view of axial oil distribution device described in the utility model;
Fig. 6 is the oil sealing state front sectional view of axial oil distribution device described in the utility model;
Fig. 7 be plunger described in the utility model partly cut open structural drawing;
Fig. 8 is that structural drawing is partly cutd open in local of the present utility model.
Embodiment
Below in conjunction with specific embodiment, set forth the utility model further.Should be understood that these embodiments are only not used in restriction scope of the present utility model for illustration of the utility model.In addition should be understood that those skilled in the art can make various changes or modifications the utility model, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the utility model instruction.
As shown in figures 1-8, mode of execution of the present utility model relates to a kind of axle and joins oily swing cylinder plunger hydraulic motor, comprise housing and bent axle 1, it is characterized in that, the inner transverse of described housing is provided with bent axle 1, and one end of this housing is provided with logical food tray 10, this logical food tray 10 inside is provided with the axial oil distribution device 9 that one end is axially connected with bent axle 1, the middle part of described bent axle 1 is socketed with bearing housing 5, the internal placement of described housing has tilt cylinder 19, this tilt cylinder 19 inside is furnished with several plungers 3 around bearing housing 5, the sidewall of described logical food tray 10 has side by side the first oil inlet and outlet 7 and the second oil inlet and outlet 8, the oil canal 11 communicated with housing cavity is furnished with in described logical food tray 10,
Described axial oil distribution device 9 is in cylindrical body, its outboard shafts is to having the oil-feed annular groove 15 that communicates with the first oil inlet and outlet 7 and the second oil inlet and outlet 8 respectively successively and going out oil ring groove 16, position corresponding with oil canal 11 on described axial oil distribution device 9 also symmetry has a pair curve bath 14, described oil-feed annular groove 15 and go out oil ring groove 16 and communicate with two curve baths 14 from axial oil distribution device 9 inside respectively.
Supplement as one, described plunger 3 is furnished with the reaction oil groove 13 communicated with plunger 3 inner chamber towards one end of bearing housing 5, on the outer side wall of described bearing housing 5, the location arrangements corresponding with reaction oil groove 13 has arc static balance oil groove 20.
Supplement as to the one of technological scheme described in the utility model, the inwall of described housing has housing static balance groove 18 with tilt cylinder 19 cooperation place.
Supplement as to the one of technological scheme described in the utility model, between described bearing housing 5 and bent axle 1, add some cylindrical rollers 12.
Further, the position outer side wall of described axial oil distribution device 9 being positioned at the axial both sides of curve bath 14 has all been arranged symmetrically with static balance oil groove 17.
Further, described housing is docked by protecgulum 2 and bonnet 4 and forms.
Further, one end of described axial oil distribution device 9 is connected with bent axle 1 by cross key 6.
Further, axially some seal rings are evenly installed between the outer side wall of described axial oil distribution device 9 and logical food tray 10.
Axle of the present invention joins the working principle of oily swing cylinder plunger hydraulic motor: hydraulic oil enters from the first oil inlet and outlet, by axial oil distribution device, high pressure runner again through logical food tray enters tilt cylinder cylinder body, promote plunger, by bearing housing transmitting thrust between plunger and bent axle, installed bearing between bearing housing and bent axle, plunger makes crankshaft eccentric rotate by bearing housing, bent axle is made to rotate output torque continuously, to realize the process that oil hydraulic motor is converted to hydraulic energy mechanical energy; The hydraulic oil of acting, from the fuel-displaced oil sump tank of the second oil inlet and outlet, if desired reverses then from the second oil inlet and outlet oil-feed, the fuel-displaced oil sump tank of the first oil inlet and outlet.
As shown in Figure 4, a curve bath 14 of axial oil distribution device 9 is just in time aimed at oil canal 11 and is alignd, the oil entered from the first oil inlet and outlet 7 so just can enter into oil canal 11, what how oil canal 11 was aimed at is another curve bath 14, then the oil in oil canal 11 will be discharged from the second oil inlet and outlet 8;
As shown in Figure 6, the curve bath 14 of axial oil distribution device 9 does not all aim at oil canal 11, and oil canal 11 has just been closed, hydraulic oil not by, oil distributing shaft often rotates one week, and five working oil path have at least a more than road not lead to oil, so just in time can promote bent axle and move in a circle.
Axle of the present invention joins oily swing cylinder plunger hydraulic motor, static balance groove is had at housing and tilt cylinder cooperation place, the reaction force of tilt cylinder to motor casing can be offset, make its cooperation place form oil film, so both improve the mechanical efficiency that wear resistance turn improves oil hydraulic motor;
Form crankshaft group by bent axle, bearing housing and bearing, by its Spielpassung, and produce rolling friction, greatly reduce the frictional force between plunger and bearing housing, improve the mechanical efficiency of motor further;
Reaction oil groove and arc static balance oil groove are driven in plunger and bearing housing joint, high pressure oil herein can produce a reaction force, bearing housing and plunger fitting surface is made to play the effect of static balance, thus the friction reduced between plunger and bearing housing, the little oil liquid temperature of frictional force can be effectively controlled;
There is static balance oil groove can make to form oil film between bent axle and logical food tray, reduce friction factor and just can effectively control fluid heating problem;
Oil distributing shaft has static balance oil groove, make the balance of the radial pressure acted on oil distributing shaft, the wearing and tearing of slidingsurface can be alleviated, also can leak by control gap, substantially increase the volumetric efficiency of motor like this;
The impact resistance of oil hydraulic motor described in the utility model is strengthened greatly, can carry the high pressure of 35Mpa, greatly extends its working life.
The working pressure of current oil hydraulic motor is relatively low; join oily mode based on planar oil distributing; work under the environment that pressure is higher; copper cushion block is easy to wear up to distortion; and in the present invention, adopt the mode of axial oil distribution well to avoid these problems, also can control oil temperature rises, and makes hydraulic element can obtain certain protection; improve working environment, thus motor is improved working life.

Claims (8)

1. an axle joins oily swing cylinder plunger hydraulic motor, comprise housing and bent axle (1), it is characterized in that, the inner transverse of described housing is provided with bent axle (1), and one end of this housing is provided with logical food tray (10), this logical food tray (10) inside is provided with the axial oil distribution device (9) that one end is axially connected with bent axle (1), the middle part of described bent axle (1) is socketed with bearing housing (5), the internal placement of described housing has tilt cylinder (19), this tilt cylinder (19) inside is furnished with several plungers (3) around bearing housing (5), the sidewall of described logical food tray (10) has side by side the first oil inlet and outlet (7) and the second oil inlet and outlet (8), the oil canal (11) communicated with housing cavity is furnished with in described logical food tray (10),
Described axial oil distribution device (9) is in cylindrical body, its outboard shafts is to having the oil-feed annular groove (15) that communicates with the first oil inlet and outlet (7) and the second oil inlet and outlet (8) respectively successively and going out oil ring groove (16), the upper position corresponding with oil canal (11) of described axial oil distribution device (9) also symmetry has a pair curve bath (14), described oil-feed annular groove (15) and go out oil ring groove (16) and communicate with two curve baths (14) from axial oil distribution device (9) is inner respectively.
2. axle according to claim 1 joins oily swing cylinder plunger hydraulic motor, it is characterized in that: described plunger (3) is furnished with the reaction oil groove (13) communicated with plunger (3) inner chamber towards one end of bearing housing (5), on the outer side wall of described bearing housing (5), the location arrangements corresponding with reaction oil groove (13) has arc static balance oil groove (20).
3. axle according to claim 1 joins oily swing cylinder plunger hydraulic motor, it is characterized in that: the inwall of described housing has housing static balance groove (18) with tilt cylinder (19) cooperation place.
4. join oily swing cylinder plunger hydraulic motor according to the axle in claim 1-3 described in any one, it is characterized in that: between described bearing housing (5) and bent axle (1), add some cylindrical rollers (12).
5. join oily swing cylinder plunger hydraulic motor according to the axle in claim 1-3 described in any one, it is characterized in that: the position outer side wall of described axial oil distribution device (9) being positioned at curve bath (14) axial both sides has all been arranged symmetrically with static balance oil groove (17).
6. join oily swing cylinder plunger hydraulic motor according to the axle in claim 1-3 described in any one, it is characterized in that: described housing is docked by protecgulum (2) and bonnet (4) and forms.
7. join oily swing cylinder plunger hydraulic motor according to the axle in claim 1-3 described in any one, it is characterized in that: one end of described axial oil distribution device (9) is connected with bent axle (1) by cross key (6).
8. join oily swing cylinder plunger hydraulic motor according to the axle in claim 1-3 described in any one, it is characterized in that: between the outer side wall of described axial oil distribution device (9) and logical food tray (10), axially some seal rings are evenly installed.
CN201520910690.4U 2015-11-16 2015-11-16 Oily tilt cylinder plunger type hydraulic motor is joined in marriage to axle Withdrawn - After Issue CN205117605U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520910690.4U CN205117605U (en) 2015-11-16 2015-11-16 Oily tilt cylinder plunger type hydraulic motor is joined in marriage to axle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520910690.4U CN205117605U (en) 2015-11-16 2015-11-16 Oily tilt cylinder plunger type hydraulic motor is joined in marriage to axle

Publications (1)

Publication Number Publication Date
CN205117605U true CN205117605U (en) 2016-03-30

Family

ID=55573221

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520910690.4U Withdrawn - After Issue CN205117605U (en) 2015-11-16 2015-11-16 Oily tilt cylinder plunger type hydraulic motor is joined in marriage to axle

Country Status (1)

Country Link
CN (1) CN205117605U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105275734A (en) * 2015-11-16 2016-01-27 宁波汉竹液压马达有限公司 Axial-oil-distribution tilt cylinder plunger type hydraulic motor
CN110285011A (en) * 2019-07-09 2019-09-27 宁波丹顿液压传动有限公司 Modified tilt cylinder hydraulic motor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105275734A (en) * 2015-11-16 2016-01-27 宁波汉竹液压马达有限公司 Axial-oil-distribution tilt cylinder plunger type hydraulic motor
CN105275734B (en) * 2015-11-16 2017-08-29 宁波汉竹液压马达有限公司 A kind of axle matches somebody with somebody oily swing cylinder plunger hydraulic motor
CN110285011A (en) * 2019-07-09 2019-09-27 宁波丹顿液压传动有限公司 Modified tilt cylinder hydraulic motor

Similar Documents

Publication Publication Date Title
CN103883520B (en) The rotor-type submersible pump of eccentric shaft and motor direct connection
CN205117605U (en) Oily tilt cylinder plunger type hydraulic motor is joined in marriage to axle
CN101985921B (en) External radial plunger pump of casing tongue sealing mechanism
CN101847917B (en) Axially-rotating equal-width curve double-stator multi-speed motor
CN105937565A (en) Two-way-controlled liquid viscosity speed regulation clutch
CN201546889U (en) Biserial radial ten-piston motor
CN105275734A (en) Axial-oil-distribution tilt cylinder plunger type hydraulic motor
CN204200467U (en) A kind of bilateral driven equilibrium formula low-speed big axial piston motor
CN202055983U (en) Oil distributing device for double-row radial 14-plunger motor
CN202833001U (en) Swash plate type rotary valve flow distributing pure water plunger pump
CN103062612A (en) Oil pump with variable displacement
CN203797312U (en) Vane-type displacement-variable oil pump
CN204041452U (en) A kind of engaging gear Sliding bearing for pump self-loopa cooling oil lubrication system
CN103527438A (en) Integrated motor pump for hydraulic system
CN203532711U (en) Forced lubrication structure of speed reducer
CN205117604U (en) Outer five -pointed star radial piston hydraulic motor of oil is joined in marriage to axle
CN107061261B (en) A kind of gear pump with variable capacity
CN107524576B (en) A kind of axial plunger pump of noise-reducing
CN202811345U (en) Bidirectional gear oil pump with full-hydraulic floating seal-less bidirectional shaft sleeves
CN201896697U (en) Rotary cylinder barrel plunger hydraulic motor independent in oil absorption and extraction adjustment
CN101649835B (en) The stator structure of cam rotor vane pump
CN206054289U (en) A kind of screw rod pump group part of hydro-cushion
CN108799100A (en) The design method and device of elimination hydraulic pulsation can be achieved
CN201747515U (en) Motor-switching variable-torque oil distribution mechanism with independent adjustment of oil suction and discharge
CN104912730A (en) Inner curvilinear low-speed large-torque water hydraulic motor with replaceable wearproof dish

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
AV01 Patent right actively abandoned

Granted publication date: 20160330

Effective date of abandoning: 20170829

AV01 Patent right actively abandoned