CN203499912U - High-speed variable oil motor with radial pin rollers - Google Patents
High-speed variable oil motor with radial pin rollers Download PDFInfo
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- CN203499912U CN203499912U CN201320118212.0U CN201320118212U CN203499912U CN 203499912 U CN203499912 U CN 203499912U CN 201320118212 U CN201320118212 U CN 201320118212U CN 203499912 U CN203499912 U CN 203499912U
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Abstract
The utility model provides a high-speed variable oil motor with radial pin rollers. The high-speed variable oil motor with the radial pin rollers comprises a front cover, a middle shell and a rear cover, wherein the rear cover is fixed by a bolt of an end cover, a large bearing in the front cover and a small bearing in the rear cover are used for supporting a rotor which comprises an output shaft, two small rotating cylinder blocks, a large rotating cylinder block and a supporting shaft, each small rotating cylinder runner is communicated with grooves of the two small rotating cylinder blocks, each large rotating cylinder runner is communicated with a groove of the large rotating cylinder block, short pin rollers are placed in the grooves of the small rotating cylinder blocks, a long pin roller is arranged in the groove of the large rotating cylinder block, three stators being in contact with the pin rollers comprise a long stator in the middle and two short stators respectively arranged on the two sides, two radial ends of the middle shell are respectively provided with three oil cylinders, the two sides of a large control cylinder are respectively provided with a small return cylinder, the two sides of a large return cylinder are respectively provided with a small control cylinder, the diameters of pistons of the control cylinders are greater than the diameters of pistons in the return cylinders, an oil port of each return cylinder is used for receiving high-pressure operating oil, an oil port of each control cylinder is respectively connected with a valve controlled loop, and the high-pressure operating oil is used for adjusting and controlling the pressure of each cylinder through the valve controlled loop and driving each stator to move, so that a pin roller journey is changed, and the variable is realized.
Description
Technical field
The utility model relates to a kind of hydraulic machinery inverting element, a kind of and existing plunger type specifically, gear and ball-and-spigot oil motor are different, there is high rotating speed, high efficiency, change discharge capacity performance, can be operated in motor state, also can be operated in pump state, especially be operated in high speed small displacement state, efficiency is higher than the novel radial roller high speed variable-displacement oil motor of existing variable-displacement oil motor.
Background technique
In hydraulics field, existing variable-displacement oil motor is with axial piston pump, to be operated in motor state to realize, axial piston pump variable is to realize by changing the inclination angle of variable swash plate, excessive for fear of the plunger cylinder power of tumbling, conventionally design swash plate plane and plunger motion plane included angle are in 18 degree left and right, when angle is less than 5 while spending, the sliding friction adjutant self-locking that piston shoes and swash plate plane form, because friction angle accounts for the large percentage of operating angle, low efficiency region is large, energy loss and heating value are large, owing to limited by high-abrasive material maximum linear velocity under high positive pressure, existing variable-displacement oil motor peak output is in 200Kw left and right.
Summary of the invention
The object of the utility model is the deficiency that makes up above-mentioned oil motor, to society disclose a kind of become friction pair into rolling pair, working efficiency is high, rotating speed is high, Variable quantity, peak output surpass 1000Kw novel radial roller high speed oil motor.
The utility model solves the problems of the technologies described above adopted technological scheme:
A radial roller high speed variable-displacement oil motor, comprises that protecgulum, bonnet are separately fixed at middle casing two ends by end cap screw, forms oil motor housing, and in protecgulum, large bearing and bonnet inner small shaft are held a rotor of supporting; It is characterized in that: between rotor one end face and protecgulum, be that large thrust plate contacts, hydrostatic seal circle seals the junction plane of large thrust plate and protecgulum, between rotor other end and bonnet, be little thrust plate, little thrust plate hydrostatic seal circle seals the junction plane of little thrust plate and bonnet.
Described rotor comprises output shaft, two liner plates, two little cylinder bodies that turn, two dividing plates, turn greatly cylinder body, supporting axle, according to surface of contact, by setting sleeve, located mutually, it is fastening that fastening screw trip bolt passes supporting axle end face screw hole and setting sleeve endoporus and output shaft, the medium and small cylinder body that turns of rotor, turn greatly cylinder body groove is set, each little cylinder runner that turns communicates with two little grooves that turn cylinder body, each turns greatly cylinder runner and turns greatly cylinder body groove and communicate, the little short roller of the interior placement of cylinder body groove that turns, turn greatly the long roller of the interior placement of groove of cylinder body, all rollers radially and both ends of the surface Spielpassung, during the work of all rollers can with stator inner ring touch scrolling.
Three stators of described roller-contact, centre is long stator, each short stator of both sides, right block, left stop limits stator displacement, long stator contacts with two vat ball pads, the sphere of two vat ball pads respectively with large control cylinder piston, large kicker cylinder inner carrier contact, short stator contacts with two little cylinder ball pads, the sphere of two little cylinder ball pads respectively with little kicker cylinder piston, little control cylinder inner carrier contact, large control cylinder inner spring is by large application cylider cover precompressed and be screwed, little control cylinder inner spring is by the cylinder cap precompressed of little control cylinder end and be screwed, large kicker cylinder inner spring is by the cylinder cap precompressed of large kicker cylinder end and be screwed, little kicker cylinder inner spring is by the cylinder cap precompressed of little kicker cylinder end and be screwed.
Described middle casing radially two ends respectively has three oil cylinders, each little kicker cylinder of large control cylinder both sides, each little control cylinder of large kicker cylinder both sides, the diameter of large control cylinder piston is greater than the diameter of large kicker cylinder inner carrier, the diameter of little kicker cylinder piston is less than the diameter of little control cylinder inner carrier, the rigidity of large and small control cylinder inner spring is lower than the rigidity of the large and small kicker cylinder inner spring of opposite side, and each stator of assurance off working state is shifted to control cylinder one side.
Described large kicker cylinder hydraulic fluid port and little kicker cylinder hydraulic fluid port are connected oil motor high-pressure work oil, large control cylinder hydraulic fluid port and little control cylinder hydraulic fluid port are connected with valve control loop respectively, high-pressure work oil is controlled each cylinder pressure through valve control loop modulation, change control cylinder inner carrier thrust, driving stator moves, thereby change roller stroke, realize variable.
The utility model advantage is compared with prior art;
Radial roller high speed variable-displacement oil motor adopts roller alternative plunger and piston shoes, with rolling pair, replaces sliding pair, and first mate reduces friction factor, reduce work dead band, again because the utility model has adopted rotor radial fluid pressure balance technology, as seen from Figure 3, when high pressure oil enters, be subject to radial hydraulic pressure, cancel each other, improve bearing life, reduce volume and weight, more than peak output is brought up to 1000Kw, significant in fields such as all-hydraulic wind-driven generator and track-laying vehicles.
Accompanying drawing explanation
Fig. 1 is axially total cross-sectional schematic of the utility model embodiment.
Fig. 2 be Fig. 1 on look cross-sectional schematic.
Fig. 3 is that Fig. 1 dismantles protecgulum, output shaft, schematic diagram is looked on the left side after liner plate, dotted line is depicted as the working position of another layer of stator, roller, its stator center of circle with shown in a practice layer symmetric rotor center, the stator center of circle.
Embodiment
Each affix in accompanying drawing sign claim be:
A radial roller high speed variable-displacement oil motor, comprises that protecgulum 4, bonnet 28 are separately fixed at middle casing 12 two ends by end cap screw 8, forms oil motor housing, and the interior large bearing 3 of protecgulum 4 and bonnet 28 inner small shafts are held rotor 47 of 29 supporting; It is characterized in that: between rotor 47 1 end faces and protecgulum 4, be that large thrust plate 6 contacts, the junction plane of the hydrostatic seal circle large thrust plate 6 of 5 sealing and protecgulum 4, between rotor 47 other ends and bonnet 28, be little thrust plate 27, the junction plane of the little thrust plate hydrostatic seal circle little thrust plate 27 of 26 sealing and bonnet 28.
Described rotor 47 comprises that little 34 1,41 two dividing plates of cylinder body that turn of 32 two of 1 two liner plates of output shaft turn greatly cylinder body 37 supporting axles 30 and located mutually by setting sleeve 33 according to surface of contact, and fastening screw trip bolt 31 is fastening through supporting axle 30 end face screw holes and setting sleeve 33 endoporus and output shaft 1.
Rotor 47 is medium and small turns cylinder body 41, turn cylinder body 37 greatly arranges groove, each little cylinder runner 25 that turns communicates with two little grooves that turn cylinder body 41, each turns greatly cylinder runner 42 and turns greatly cylinder body 37 grooves and communicate, the little short roller 9 of the interior placement of cylinder body 41 grooves that turns, turn greatly the long roller 23 of the interior placement of groove of cylinder body 37, all rollers radially and both ends of the surface Spielpassung, during all rollers work can with stator inner ring touch scrolling.
Three stators of described roller-contact, centre is long stator 22, each short stator 10 of both sides, right block 7, left block 24 restriction stator displacements, long stator 22 contacts with two vat ball pads 21, the sphere of two vat ball pads 21 respectively with large control cylinder piston 20, large kicker cylinder 35 inner carrier contacts, short stator 10 contacts with two little cylinder ball pads 11, the sphere of two little cylinder ball pads 11 respectively with little kicker cylinder piston 13, little control cylinder 39 inner carrier contacts, large control cylinder 19 inner springs are by large application cylider cover 17 precompressed fixing with screw 40, little control cylinder 39 inner springs are also fixing with screw 40 by the cylinder cap precompressed of little control cylinder 39 ends, large kicker cylinder 35 inner springs are also fixing with screw 40 by the cylinder cap precompressed of large kicker cylinder 35 ends, little kicker cylinder 14 inner springs are also fixing with screw 40 by the cylinder cap precompressed of little kicker cylinder 14 ends.
Described middle casing 12 radially two ends respectively has three oil cylinders, each little kicker cylinder 14 of large control cylinder 19 both sides, each little control cylinder 39 of large kicker cylinder 35 both sides, the diameter of large control cylinder piston 20 is greater than the diameter of large kicker cylinder 35 inner carriers, the diameter of little kicker cylinder piston 13 is less than the diameter of little control cylinder 39 inner carriers, the rigidity of large control cylinder 19 inner springs is lower than the rigidity of large kicker cylinder 35 inner springs of opposite side, the rigidity of little control cylinder 39 inner springs is lower than the rigidity of little kicker cylinder 14 inner springs of opposite side, and each stator of assurance off working state is shifted to control cylinder one side.
Described large kicker cylinder hydraulic fluid port 36 and little kicker cylinder hydraulic fluid port 15 are connected oil motor high-pressure work oil, large control cylinder hydraulic fluid port 18 and little control cylinder hydraulic fluid port 38 are connected with valve control loop respectively, high-pressure work oil is controlled each cylinder pressure through valve control loop modulation, changing control cylinder inner carrier thrust drives stator to move, thereby change roller stroke, realize variable.
Above radial roller high speed variable-displacement oil motor is a kind of hydraulic machine newly manufactured inverting element, is applicable to being operated in motor and pump operating mode.
Motor operations principle, shown in Fig. 3, high-pressure work oil enters and turns greatly cylinder body filler opening, by the left side of thrust plate shown in double dot dash line semicircle waist-shaped hole, through turning greatly cylinder runner, enter left side and turn greatly cylinder body groove, roller shown in left-hand broken line is subject to radial hydraulic pressure effect to be adjacent to stator shown in dotted line, and rolls to clockwise rotor driven along stator inner surface.Same another road high-pressure work oil enters the little cylinder body filler opening that turns, by little thrust plate through the little cylinder runner that turns shown in dotted line, enter the little cylinder body groove that turns in right side, roller shown in the solid line of right side is subject to radial hydraulic pressure effect to be adjacent to stator shown in solid line, and rolls to clockwise rotor driven along stator inner surface.Adjust control cylinder pressure, change control cylinder piston thrust, can change stator offset, thereby change roller stroke, realize variable.
Pump work principle, shown in Fig. 3, External Force Acting rotor turns clockwise, roller shown in the solid line of right side is subject to radially outwards motion of centrifugal action, suck low pressure oil, shown in the solid line of left side, roller rolls along stator inner surface, simultaneously to the motion of the rotor center of circle, by little shown in the solid line of left side, turn hydraulic oil in cylinder body groove and extrudes through the little cylinder runner that turns shown in dotted line.Roller shown in same left-hand broken line is subject to radially outwards motion of centrifugal action, suck low pressure oil, shown in the dotted line of right side, roller rolls along stator inner surface, to the motion of the rotor center of circle, right side is turned greatly to hydraulic oil in cylinder body groove and through turning greatly cylinder runner shown in solid line, extrude simultaneously.Adjust control cylinder pressure, change control cylinder piston thrust, can change stator offset, thereby change roller stroke, realize variable.
Claims (6)
1. a radial roller high speed variable-displacement oil motor, comprise that protecgulum (4), bonnet (28) are separately fixed at middle casing (12) two ends by end cap screw (8), form oil motor housing, in protecgulum (4), large bearing (3) and bonnet (28) inner small shaft are held (29) supporting rotor (47); It is characterized in that: between rotor (47) one end faces and protecgulum (4), be that large thrust plate (6) contacts, hydrostatic seal circle (5) seals the junction plane of large thrust plate (6) and protecgulum (4), between rotor (47) other end and bonnet (28), be little thrust plate (27), little thrust plate hydrostatic seal circle (26) seals the junction plane of little thrust plate (27) and bonnet (28).
2. radial roller high speed variable-displacement oil motor according to claim 1, it is characterized in that: rotor (47) comprises that output shaft (1), two liner plates (32), two are little and turn that cylinder body (41), two dividing plates (34), one turn greatly cylinder body (37), supporting axle (30) is located mutually by setting sleeve (33) according to surface of contact, fastening screw trip bolt (31) is fastening through supporting axle (30) end face screw hole and setting sleeve (33) endoporus and output shaft (1).
3. radial roller high speed variable-displacement oil motor according to claim 2, it is characterized in that: rotor (47) is medium and small turns cylinder body (41), turn cylinder body (37) greatly arranges groove, each little cylinder runner (25) that turns communicates with two little grooves that turn cylinder body (41), each turns greatly cylinder runner (42) and turns greatly cylinder body (37) groove and communicate, the little interior short roller (9) of placing of cylinder body (41) groove that turns, turn greatly the interior long roller (23) of placing of groove of cylinder body (37), all rollers radially and both ends of the surface Spielpassung, during all rollers work can with stator inner ring touch scrolling.
4. radial roller high speed variable-displacement oil motor according to claim 3, it is characterized in that: three stators of roller-contact, centre is long stator (22), each short stator (10) of both sides, right block (7), the displacement of left block (24) restriction stator, long stator (22) contacts with two vat ball pads (21), the sphere of two vat ball pads (21) respectively with large control cylinder piston (20), large kicker cylinder (35) inner carrier contact, short stator (10) contacts with two little cylinder ball pads (11), the sphere of two little cylinder ball pads (11) respectively with little kicker cylinder piston (13), the contact of little control cylinder (39) inner carrier, large control cylinder (19) inner spring is by large application cylider cover (17) precompressed fixing with screw (40), little control cylinder (39) inner spring is also fixing with screw (40) by the cylinder cap precompressed of little control cylinder (39) end, large kicker cylinder (35) inner spring is also fixing with screw (40) by the cylinder cap precompressed of large kicker cylinder (35) end, little kicker cylinder (14) inner spring is also fixing with screw (40) by the cylinder cap precompressed of little kicker cylinder (14) end.
5. radial roller high speed variable-displacement oil motor according to claim 4, it is characterized in that: middle casing (12) radially two ends respectively has three oil cylinders, each little kicker cylinder (14) of large control cylinder (19) both sides, each little control cylinder (39) of large kicker cylinder (35) both sides, the diameter of large control cylinder piston (20) is greater than the diameter of large kicker cylinder (35) inner carrier, the diameter of little kicker cylinder piston (13) is less than the diameter of little control cylinder (39) inner carrier, the rigidity of large control cylinder (19) inner spring is lower than the rigidity of the large kicker cylinder of opposite side (35) inner spring, the rigidity of little control cylinder (39) inner spring is lower than the rigidity of the little kicker cylinder of opposite side (14) inner spring, each stator of assurance off working state is shifted to control cylinder one side.
6. radial roller high speed variable-displacement oil motor according to claim 5, it is characterized in that: large kicker cylinder hydraulic fluid port (36) and little kicker cylinder hydraulic fluid port (15) are connected oil motor high-pressure work oil, large control cylinder hydraulic fluid port (18) and little control cylinder hydraulic fluid port (38) are connected with valve control loop respectively, high-pressure work oil is controlled each cylinder pressure through valve control loop modulation, change control cylinder inner carrier thrust, driving stator moves, thereby changes roller stroke, realizes variable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320118212.0U CN203499912U (en) | 2013-03-06 | 2013-03-06 | High-speed variable oil motor with radial pin rollers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320118212.0U CN203499912U (en) | 2013-03-06 | 2013-03-06 | High-speed variable oil motor with radial pin rollers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203499912U true CN203499912U (en) | 2014-03-26 |
Family
ID=50330897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320118212.0U Expired - Fee Related CN203499912U (en) | 2013-03-06 | 2013-03-06 | High-speed variable oil motor with radial pin rollers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203499912U (en) |
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2013
- 2013-03-06 CN CN201320118212.0U patent/CN203499912U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20180306 |