WO2021160181A1 - 一种缸体固定液压马达和泵的配流结构 - Google Patents
一种缸体固定液压马达和泵的配流结构 Download PDFInfo
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- WO2021160181A1 WO2021160181A1 PCT/CN2021/076639 CN2021076639W WO2021160181A1 WO 2021160181 A1 WO2021160181 A1 WO 2021160181A1 CN 2021076639 W CN2021076639 W CN 2021076639W WO 2021160181 A1 WO2021160181 A1 WO 2021160181A1
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- window
- flow distribution
- oil inlet
- oil
- cylinder
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 36
- 230000003068 static effect Effects 0.000 claims description 12
- 238000004891 communication Methods 0.000 abstract description 5
- 230000002441 reversible effect Effects 0.000 description 16
- 238000010586 diagram Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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- 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
- F03C1/00—Reciprocating-piston liquid engines
- F03C1/02—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders
- F03C1/04—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinders in star or fan arrangement
- F03C1/0403—Details, component parts specially adapted of such engines
- F03C1/0415—Cylinders
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- 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
- F03C1/00—Reciprocating-piston liquid engines
- F03C1/02—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders
- F03C1/04—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinders in star or fan arrangement
- F03C1/047—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinders in star or fan arrangement the pistons co-operating with an actuated element at the outer ends of the cylinders
Definitions
- the invention relates to the technical field of a hydraulic motor and a hydraulic pump, in particular to a flow distribution structure of a cylinder fixed hydraulic motor and a pump.
- Cylinder body The surface of the cylinder body that is in contact with the distributor is called the static distribution surface, and the window on the static distribution surface that communicates with the plunger cylinder bore is called the cylinder bore window.
- the number of cylinder bore windows is z, and the cylinder bore window The argument is ⁇ z , and the central argument of two adjacent cylinder hole windows is ⁇ z .
- the channel through which the liquid enters the stationary distribution surface from the cylinder is called the oil inlet channel, and the window formed by the oil inlet channel on the stationary distribution surface is called the oil inlet window;
- the oil window enters the cylinder bore window through the flow distribution window, and the angle of the oil inlet window is ⁇ a .
- the channel through which the liquid enters the cylinder from the static distribution surface is called the oil outlet channel, and the window formed by the oil outlet channel on the stationary distribution surface is called the oil outlet window;
- the hole window enters the oil outlet window through the flow distribution window, and the argument of the oil outlet window is ⁇ b .
- the argument between the oil inlet window and the cylinder bore window is ⁇ az
- the argument between the oil outlet window and the cylinder bore window is ⁇ bz
- the centre of the two adjacent oil outlet windows and the centre of the oil inlet window are ⁇ ab
- the edge angle of the two adjacent oil outlet windows and oil inlet windows is ⁇ ab .
- the upward plunger is numbered 1, and the plunger in the clockwise direction is sequentially numbered 1, 2, 3..., among which the nth plunger is called Qn; the upward cylinder bore window is numbered 1.
- the cylinder hole window is numbered according to 1, 2, 3...Z in turn, and the nth plunger is called Zn.
- the number of action of the guide rail is x, the near dead center point D and F are the center points of the near dead zone of the guide rail, and the far dead center points C, E and G are the center points of the far dead zone of the guide rail;
- the angle of the zero speed zone at point C is ⁇ c
- the argument of zero speed zone at point D is ⁇ d
- the argument of zero speed zone at point E is ⁇ e
- the argument of zero speed zone at point F is ⁇ f
- the argument of zero speed zone at point G is ⁇ g.
- the number of distribution windows is r
- the central argument of two adjacent distribution windows is ⁇ r
- the argument of the distribution windows is ⁇ r
- the argument between the centerline of the outer dead center of the guide rail and the center line of the distribution window is called the guide rail phase displacement argument ⁇ x .
- Distribution belt all windows and channels on the distribution surface rotate along the central axis of the hydraulic motor or hydraulic pump to form an end-to-end curved belt called the distribution belt; the curved belt formed by the cylinder hole window rotating one round along the center of rotation It is called the cylinder hole window belt.
- the curved belt formed by one revolution of the oil inlet window along the center of rotation is called the oil inlet window belt, and the curved belt formed by the oil outlet window rotating one round along the center of rotation is called the oil outlet window belt, and the flow distribution window is along the center of rotation.
- the curved belt formed by one revolution is called the flow distribution window belt.
- the width of the distribution belt is called the distribution belt width. The smaller the distribution belt width, the smaller and more compact the distributor can be.
- the Swedish Hegelon Viking Motor is a radial-shaft distribution plunger motor with a double-displacement cylinder block and a fixed housing rotating.
- the distribution belt of Viking Motor includes oil inlet window B belt, oil inlet window A belt, oil outlet window C belt and three sealing belts. This kind of hydraulic motor has the problem of complicated structure of the distribution belt and large width of the distribution belt.
- Patent Document 1 Application No.: 201621055806.1 (Publication No.: CN 206092285 U)
- Chinese utility model patent "A Shell Rotary Hydraulic Motor” discloses a fixed-cylinder hydraulic motor, the flow distribution structure of which is two inside and outside the cylinder hole window There is an annular window on each side. The cylinder bore window is connected to the annular oil inlet window or the oil outlet window through the flow distribution window to complete the flow distribution.
- the flow distribution structure also has a large distribution band width, which requires a large radial size of the distribution pair and a complex structure. problem.
- Patent Document 2 Application No.: 201621249879.4 (Publication No.: CN 206221143 U) Chinese utility model patent "A low-speed high-torque hydraulic motor with internal curve of shell rotation output torque" published a fixed-cylinder hydraulic motor, which The flow distribution structure is that there are two annular windows on both sides of the cylinder hole window.
- the cylinder hole window is connected to the annular oil inlet window or the oil outlet window through the bridge type flow distribution window to complete the flow distribution.
- the flow distribution belt includes the cylinder hole window belt and the oil outlet.
- the window belt, the oil inlet window belt and the two sealing widths also have the problems of large distribution belt width and excessively large structure size in the distribution structure.
- the present invention provides a distribution structure with a cylinder fixed hydraulic motor and pump.
- the distribution structure can effectively reduce the width of the distribution band and make the distributor The structure is more compact.
- a flow distribution structure for a cylinder fixed hydraulic motor and a pump including: a guide rail, a flow distributor, a plunger and a cylinder block, the cylinder block is fixed, the flow distributor and the guide rail rotate synchronously around the cylinder block, and the cylinder block has a static flow distribution surface for static flow distribution
- the distribution window is a groove recessed inward along the rotating distribution surface.
- the number of flow distribution windows is equal to the number of actions of the guide rail.
- the cylinder hole window communicates with the oil outlet window through the flow distribution window.
- the cylinder The hole window communicates with the oil inlet window through the flow distribution window.
- any one of the cylinder bore windows has at least one oil inlet window in a counterclockwise direction, and at least one oil outlet window in a clockwise direction.
- the number of cylinder hole windows on the stationary distribution surface is an even number
- any cylinder hole window with an odd number has at least one oil inlet window in the counterclockwise direction, and at least one oil outlet window in the clockwise direction, and any number is an even number
- the cylinder bore window has at least one oil outlet window in the counterclockwise direction, and at least one oil inlet window in the clockwise direction.
- At least one of the oil inlet windows is divided into two independent oil inlet windows.
- At least one independent oil inlet window can be disconnected from the oil inlet channel.
- the on-off of at least one oil inlet window and the oil inlet channel can be controlled.
- the present invention has the following beneficial effects: since the four of the oil inlet window belt, the oil outlet window belt, the flow distribution window belt and the cylinder bore window belt of the present invention overlap, the width of the flow distribution belt can be effectively reduced, The structure of the distributor is more compact. At the same time, because there is no other distribution belt outside the cylinder hole window belt, the leakage in the width direction of the distribution belt is reduced. Further, the hydraulic motor and pump can be changed without increasing the width of the distribution belt. Displacement.
- Fig. 1 is a schematic diagram of the flow distribution structure of the hydraulic motor of the present invention.
- Fig. 2 is a schematic diagram of the shaft distribution structure of the hydraulic motor of the present invention.
- Fig. 3 is a schematic diagram of the phase displacement of the distribution window and the guide rail in the present invention.
- Figure 4 is a schematic diagram of the phase displacement of the cylinder bore window and the cylinder bore in the present invention.
- Figure 5 is a schematic cross-sectional view of the ten-acting three-plunger hydraulic motor in the present invention.
- Fig. 6 is an exploded schematic diagram of the parts of the ten-acting three-plunger hydraulic motor in the present invention.
- Fig. 7 is a schematic cross-sectional view of the ten-acting six-piston hydraulic motor in the present invention.
- Figure 8 is an exploded schematic diagram of the ten-acting six-plunger hydraulic motor parts in the present invention.
- Figure 9 is a schematic cross-sectional view of the ten-acting nine-plunger hydraulic motor in the present invention.
- Fig. 10 is an exploded schematic diagram of the parts of the ten-acting nine-plunger hydraulic motor in the present invention.
- Figure 11 is a schematic cross-sectional view of a hydraulic motor with ten-acting nine-plunger end face distribution in the present invention.
- Figure 12 is an exploded schematic view of the parts of the ten-acting nine-plunger end-distribution hydraulic motor in the present invention.
- the piston pump can be used as a hydraulic motor by changing the structure of the flow-distributor with a valve plate or a shaft-type plunger pump. The two are reversible.
- the flow distribution structure shown in Figure 1 when used as a pump, the guide rail 200 drives the plunger 105 to translate, the oil inlet window 102 is actually the oil suction port of the pump, and the oil outlet window 103 is actually the oil pressure port of the pump.
- the section 202 sucks in oil, and then discharges the high-pressure oil in the oil outlet section 201.
- the oil inlet window 102 is actually a pressure oil window
- the oil outlet window 103 is actually an oil return window.
- the pressure oil pushes the plunger 105 outside the oil inlet section 202 to drive the guide rail 200 to rotate and output power.
- the section 201 plunger 105 retracts through the oil outlet window 103 to discharge the oil.
- a flow distribution structure for a cylinder fixed hydraulic motor and pump includes a static flow distribution surface and a rotating flow distribution surface.
- the static distribution surface has a cylinder hole window 101, an oil inlet window 102 and an oil outlet window 103
- the distribution window 301 is a recessed groove along the rotating distribution surface.
- the cylinder bore window 101 and the oil inlet window 102 or the oil outlet window 103 are concave through the distribution window 301 The space left by the groove is connected.
- the cylinder hole window 101 has an oil inlet window 102 and an oil outlet window 103 outside.
- the outer oil inlet window 102 sends the oil into the cylinder hole window 101 through the distribution window 301, and the oil in the cylinder hole window 101 The oil is drained into the oil outlet window 103 outside the cylinder bore window 101 through the flow distribution window 301.
- This kind of distribution belt is 400 wide and occupies a lot of space.
- the invention makes the four of the oil inlet window belt, the oil outlet window belt, the flow distribution window belt and the cylinder hole window belt overlap, and the flow distribution belt 400 has the smallest width.
- the guide rail 200 and the distributor 300 of the present invention rotate synchronously, and the number of distributor windows 301 on the distributor 300 is equal to the number of guide rails.
- the cylinder bore window 101 communicates with the oil outlet window 103 through the flow distribution window 301, and when the plunger 105 is in the oil inlet section 202, the cylinder bore window 101 passes through The flow distribution window 301 communicates with the oil inlet window 102.
- the points C, D, E, F, and G on the guide rail 200 are the intersection of the oil inlet and the oil outlet.
- the E point is the end point of the oil inlet and the oil outlet.
- the starting point of the oil will cause the oil in and out of the oil cavity to communicate and leak, so there should be a closed dead zone near these points, but the existence of the closed dead zone will reduce the effective working angle of the curve.
- a cylinder hole window 101 and the oil inlet window 102 and the oil outlet window 103 connected with it are defined as a structural unit.
- the plunger 105 on the structural unit as shown in Figure 1 acts on the dead zone E point outside the band. At this time, the continuous transition of the inlet and outlet ports should meet:
- the plunger 105 on the structural unit acts on the inner dead center point F of the guide rail 200 and continues to rotate clockwise.
- the point of action of the plunger 105 moves from point F to point G.
- the flow distribution window 301 With the synchronous rotation of the guide rail 200, the cylinder hole window 101 and the oil inlet window 102 are connected, and the oil enters the cylinder hole 104.
- Fig. 5 and Fig. 6 it is the first embodiment of the present invention: the application of a flow distribution structure of a cylinder fixed hydraulic motor and a pump on a ten-acting three-piston hydraulic motor.
- a structural unit can independently fulfill the requirements of the pump, but when used as a hydraulic motor, it cannot actively rotate in the dead zone position, and the utilization rate of the cylinder 100 is too low. Therefore, multiple structural units can be arranged on the cylinder block 100 to improve the utilization rate of the cylinder block 100.
- the structural units can be arbitrarily arranged on the cylinder 100, but there can be no oil connection between two adjacent structural units. At this time, it should satisfy: ⁇ ab ⁇ ⁇ r .
- structural units are generally evenly distributed on the circumference.
- the structural parameters can be selected as:
- the oil inlet window 102, the oil outlet window 103 and the cylinder bore window 101 on the static valve surface are clockwise in accordance with the oil inlet window 102-cylinder bore window 101-oil outlet window 103-oil inlet window 102-cylinder bore window 101 -Oil outlet window 103-Oil inlet window 102-Cylinder hole window 101-Oil outlet window 103 are arranged cyclically in order.
- the plunger 105Q1 is located at the outer dead center, and the cylinder bore window 101Z1 is not connected to the oil inlet window 102 and the oil outlet window 103;
- Q2 is located in the oil inlet section 202, and Z2 is connected to the oil inlet window 102 through the flow distribution window 301 , Generating a force to make the guide rail 200 rotate in a clockwise direction;
- Q3 is located in the oil outlet section 201, and Z3 is connected to the oil outlet window 103 through the distribution window 301 to discharge oil.
- Embodiment 1 when the number z of cylinder bore windows 101 increases, ⁇ a and ⁇ b will become smaller and smaller, which limits the increase in the number of cylinder bore windows 101.
- a cylinder bore window 101 can be added between two adjacent structural units.
- This cylinder bore window 101 respectively borrows the oil outlet window 103 and the oil inlet window 102 on the adjacent structural unit to form A reverse structural unit, that is, in the direction of rotation, the positions of the oil inlet window 102 and the oil outlet window 103 are reversed compared to the structural unit.
- the reverse structure unit makes the plunger 105 on the newly added cylinder hole window 101 work out of adjustment, generates a force that prevents the motor from rotating, and affects the normal operation of the motor.
- FIG. 7 and Fig. 8 it is the second embodiment of the present invention: an application of a flow distribution structure of a cylinder-fixed hydraulic motor and a pump on a ten-acting six-piston hydraulic motor.
- this embodiment 2 is realized by changing the phase displacement angle ⁇ x of the guide rail.
- the structure parameters are:
- the rail phase displacement angle ⁇ x 0 of the rail A 200a.
- the cylinder hole 104 communicates with the odd-numbered cylinder hole window 101 (Z1, Z3, Z5), and the plunger 105 (Q1, Q3, Q5) inside acts on the guide rail A 200a; and the even-numbered cylinder hole window 101 (Z2, Z4, Z6) the communicating cylinder hole 104, the plunger 105 (Q2, Q4, Q6) inside acts on the guide rail B 200b.
- the oil inlet window 102, the oil outlet window 103 and the cylinder bore window 101 on the static valve surface are clockwise in accordance with the oil inlet window 102-cylinder bore window 101-oil outlet window 103-cylinder bore window 101-oil inlet window 102 -Cylinder hole window 101-Oil outlet window 103-Cylinder hole window 101-Oil inlet window 102-Cylinder hole window 101-Oil outlet window 103-Cylinder hole window 101 are arranged cyclically.
- the odd-numbered cylinder bore window 101 is a structural unit that meets the working requirements, and the even-numbered cylinder bore window 101 is a reverse structural unit.
- the cylinder bore window 101 window 103 in the counterclockwise direction is oil
- the oil inlet is clockwise window 102
- the phase of the plunger 105 on the reverse structure unit is corrected after it acts on the guide rail B 200b, making it communicate with the reverse structure unit.
- the plunger 105 acts on the correct rail section to make the motor work normally.
- the plunger 105Q1 is located at the outer dead point of the guide rail A 200a, and the cylinder bore window 101Z1 is not connected with the oil inlet window 102 and the oil outlet window 103;
- Q2 is located at the oil inlet section 202, Z2 of the guide rail B 200b
- the flow distribution window 301 is connected to the oil inlet window 102 to generate a force that causes the guide rail to rotate clockwise;
- Q3 is located in the oil inlet section 202 of the guide rail A 200a, and Z3 is connected to the oil inlet window 102 through the flow distribution window 301 to generate a clockwise rotation of the guide rail.
- Q4 is located at the inner dead center of guide rail B 200b, cylinder hole window 101Z4 is not connected to the oil inlet window 102 and oil outlet window 103;
- Q5 is located in the oil outlet section 201 of guide rail A 200a, Z5 passes through the distribution window 301 is connected to the oil outlet window 103 to discharge the oil;
- Q6 is located in the oil outlet section 201 of the guide rail B 200b, and Z6 is connected to the oil outlet window 103 through the distribution window 301 to discharge the oil.
- Embodiment 2 can increase the utilization rate of the cylinder 100, but because the plunger 105 is divided into at least two working rows, the thickness of the hydraulic motor is increased.
- the angle between the outer dead point and the inner dead point is n ⁇ /x (n is an odd number), and the guide rail 200 has a period of 2 ⁇ /x, so there is only one angle ⁇ /x, if the reverse structure If the unit's active guide rail remains unchanged, the phase displacement angle of the cylinder bore can be changed
- ⁇ z n ⁇ /x (n is an odd number) to make the plunger 105 in the cylinder bore 104 of the inverted structural unit act on the correct rail section.
- the structure parameters are:
- the oil inlet window 102 is divided into two independent oil inlet windows C 102c and oil inlet windows D 102d in a clockwise direction.
- the oil inlet window C 102c is connected to the oil inlet channel C 106c, and the oil inlet window D 102d and the oil inlet channel D 106d is connected.
- the oil inlet window 102, the oil outlet window 103 and the cylinder bore window 101 on the static valve surface are clockwise according to the oil inlet window C 102c-oil inlet window D 102d—cylinder bore window 101—oil outlet window 103—cylinder bore Window 101-Oil Inlet Window C 102c-Oil Inlet Window D 102d-Cylinder Hole Window 101-Oil Out Window 103-Cylinder Hole Window 101-Oil Inlet Window C 102c-Oil Inlet Window D 102d-Cylinder Hole Window 101-Oil Out Window 103-The order of the cylinder hole window 101 is arranged in a circular manner.
- the odd-numbered cylinder bore windows 101 (Z1, Z3, Z5) are each connected to a plunger 105; the even-numbered cylinder bore windows 101 (Z2, Z4, Z6) are each connected to two plungers 105, this
- each oil inlet window 102 can supply liquid to two adjacent cylinder bore windows 101 in a clockwise direction and a counterclockwise direction.
- the oil inlet window C 102c supplies liquid to the even-numbered cylinder bore window 101
- the oil inlet window D 102d supplies liquid to the odd-numbered cylinder bore window 101.
- the plunger 105Q1 is located at the outer dead point of the guide rail 200, and the cylinder bore window 101Z1 is not connected to the oil inlet window 102 and the oil outlet window 103; Q2 and Q3 are located in the oil inlet section 202, Z2 of the guide rail 200
- the flow distribution window 301 is connected to the oil inlet window C 102c, generating a force that causes the guide rail 200 to rotate in a clockwise direction;
- Q4 is located in the oil inlet section 202 of the guide rail 200, and Z3 is connected to the oil inlet window D 102d through the flow distribution window 301, generating a guide rail 200 clockwise rotation force;
- Q5, Q6 are located at the inner dead point of the guide rail 200, the cylinder hole window 101Z4 is not connected with the oil inlet window 102 and the oil outlet window 103;
- Q7 is located in the oil outlet section 201, Z5 of the guide rail 200
- the oil discharge window 103 is connected through the distribution window 301 to discharge the oil
- the displacement of the motor is 6V (Q2, Q3, Q5, Q6, Q8, Q9).
- Fig. 11 and Fig. 12 it is the fourth embodiment of the present invention: the application of a flow distribution structure of a cylinder-fixed hydraulic motor and a pump in a ten-acting nine-piston end-face flow distribution hydraulic motor.
- Embodiment 3 can realize the displacement change when the motor rotates in the clockwise direction.
- the original oil inlet window 102 becomes the oil outlet window 103
- the original oil outlet window 103 becomes the oil inlet window 102, as can be seen from Figure 9 .
- the oil inlet window 102 becomes three, so although the displacement can be changed, the displacement cannot be changed like the forward rotation.
- both the oil inlet window 102 and the oil outlet window 103 are designed as two independent windows.
- the structure parameters are:
- the oil inlet window 102 is divided into two independent oil inlet windows C 102c and oil inlet windows D 102d in a clockwise direction.
- the oil inlet window C 102c is connected to the oil inlet channel C 106c, and the oil inlet window D 102d and the oil inlet channel D 106d is connected.
- the oil outlet window 103 is divided into two independent oil outlet windows C 103c and oil outlet D 103d in a clockwise direction.
- the oil outlet window C 103c is connected to the oil outlet channel C 107c, and the oil outlet window D 103d and the oil outlet channel D are connected. 107d is connected.
- the oil inlet window 102, the oil outlet window 103 and the cylinder bore window 101 on the static valve surface are clockwise in accordance with the oil inlet window C 102c-oil inlet window D 102d-cylinder bore window 101-oil outlet window C 103c-out Oil Window D 103d-Cylinder Hole Window 101-Oil Inlet Window C 102c-Oil Inlet Window D 102d-Cylinder Hole Window 101-Oil Outlet Window C 103c-Oil Outlet Window D 103d-Cylinder Hole Window 101-Oil Inlet Window C 102c- Oil inlet window D 102d-cylinder bore window 101-oil outlet window C 103c-oil outlet window D 103d-cylinder bore window 101 are arranged in a circular sequence.
- Embodiment 4 The structure of Embodiment 4 is similar to that of Embodiment 3, and the curved section that acts during the reverse rotation and the forward rotation has also changed due to the change of the oil inlet and outlet window 103.
- any hydraulic motor shown in Figure 5 to Figure 12 when any one of the oil inlet window 102 and the oil inlet channel 106 is disconnected, the cylinder bore window 101 acting on it will not flow in, which will reduce the displacement of the motor. As shown in Fig. 5, when the oil inlet window 102 in the counterclockwise direction of Z1 is disconnected from the oil inlet channel 106, Z1 no longer participates in the work, and the motor displacement is reduced.
Abstract
Description
Claims (10)
- 一种缸体固定液压马达和泵的配流结构,包括:导轨、配流器、柱塞和缸体,缸体固定,配流器和导轨绕缸体同步旋转,缸体上有静止配流面,所述静止配流面上有缸孔窗口、进油窗口和出油窗口,配流器上有旋转配流面,所述旋转配流面上有配流窗口,所述配流窗口是沿旋转配流面向内凹陷的凹槽,其特征在于,进油窗口带、出油窗口带、配流窗口带和缸孔窗口带重合。
- 根据权利要求1所述的一种缸体固定液压马达和泵的配流结构,其特征在于,配流窗口数等于导轨作用数,在导轨任一位置上,柱塞在出油区段时,缸孔窗口通过配流窗口与出油窗口连通,柱塞在进油区段时,缸孔窗口通过配流窗口与进油窗口连通。
- 根据权利要求1所述的一种缸体固定液压马达和泵的配流结构,其特征在于,任一缸孔窗口逆时针方向至少有一个进油窗口,顺时针方向至少有一个出油窗口。
- 根据权利要求1所述的一种缸体固定液压马达和泵的配流结构,其特征在于,静止配流面上的缸孔窗口数为偶数,任一编号为奇数的缸孔窗口逆时针方向至少有一个进油窗口,顺时针方向至少有一个出油窗口,任一编号为偶数的缸孔窗口逆时针方向至少有一个出油窗口,顺时针方向至少有一个进油窗口。
- 根据权利要求4所述的一种缸体固定液压马达和泵的配流结构,其特征在于,任何相邻的缸孔窗口中心幅角φ z=2π/z,任何相邻的进油窗口中心和出油窗口中心幅角φ ab=2π/z。
- 根据权利要求1或4任一项所述的一种缸体固定液压马达和泵的配流结构,其特征在于,至少有一组导轨的导轨相位位移幅角β x=0,至少有一组导轨的导轨相位位移幅角β x=π/x。
- 根据权利要求1或4任一项所述的一种缸体固定液压马达和泵的配流结构,其特征在于,与编号为奇数的缸孔窗口相连的缸孔,其缸孔相位位移幅角β z=0,与编号为偶数的缸孔窗口相连的缸孔,其缸孔相位位移幅角β z=n·π/x,n为奇数。
- 根据权利要求4所述的一种缸体固定液压马达和泵的配流结构,其特征在于,至少一个进油窗口分割为两个独立的进油窗口。
- 根据权利要求8所述的一种缸体固定液压马达和泵的配流结构,其特征在于,能使至少一个独立的进油窗口与进油通道断开。
- 根据权利要求1至5任一项所述的一种缸体固定液压马达和泵的配流结构,其特征在于,可以控制至少一个进油窗口与进油通道的通断。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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CN202020172126.8 | 2020-02-16 | ||
CN202020172119.8U CN211623627U (zh) | 2020-02-16 | 2020-02-16 | 一种缸体固定液压马达/泵配流结构 |
CN202020172126.8U CN211598918U (zh) | 2020-02-16 | 2020-02-16 | 一种缸体固定液压马达 |
CN202020172119.8 | 2020-02-16 |
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WO2021160181A1 true WO2021160181A1 (zh) | 2021-08-19 |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1740557A (zh) * | 2005-09-07 | 2006-03-01 | 周沛凝 | 一种低速大扭矩液压驱动机构 |
WO2011025408A1 (ru) * | 2009-08-25 | 2011-03-03 | Garipov Talgat Haidarovich | Двигатель гидравлический радиальный |
WO2012010261A2 (de) * | 2010-07-23 | 2012-01-26 | Robert Bosch Gmbh | Kolbeneinheit |
DE102013219843A1 (de) * | 2013-02-26 | 2014-08-28 | Continental Teves Ag & Co. Ohg | Hydraulische Arbeitsmaschine |
CN208010509U (zh) * | 2017-11-08 | 2018-10-26 | 南昌大学 | 一种径向液压柱塞马达 |
CN110541788A (zh) * | 2019-09-30 | 2019-12-06 | 张尉华 | 电控液压马达 |
CN211598918U (zh) * | 2020-02-16 | 2020-09-29 | 杨健 | 一种缸体固定液压马达 |
CN211623627U (zh) * | 2020-02-16 | 2020-10-02 | 杨健 | 一种缸体固定液压马达/泵配流结构 |
-
2021
- 2021-02-14 WO PCT/CN2021/076639 patent/WO2021160181A1/zh active Application Filing
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1740557A (zh) * | 2005-09-07 | 2006-03-01 | 周沛凝 | 一种低速大扭矩液压驱动机构 |
WO2011025408A1 (ru) * | 2009-08-25 | 2011-03-03 | Garipov Talgat Haidarovich | Двигатель гидравлический радиальный |
WO2012010261A2 (de) * | 2010-07-23 | 2012-01-26 | Robert Bosch Gmbh | Kolbeneinheit |
DE102013219843A1 (de) * | 2013-02-26 | 2014-08-28 | Continental Teves Ag & Co. Ohg | Hydraulische Arbeitsmaschine |
CN208010509U (zh) * | 2017-11-08 | 2018-10-26 | 南昌大学 | 一种径向液压柱塞马达 |
CN110541788A (zh) * | 2019-09-30 | 2019-12-06 | 张尉华 | 电控液压马达 |
CN211598918U (zh) * | 2020-02-16 | 2020-09-29 | 杨健 | 一种缸体固定液压马达 |
CN211623627U (zh) * | 2020-02-16 | 2020-10-02 | 杨健 | 一种缸体固定液压马达/泵配流结构 |
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