CN101832265A - Pump clutch - Google Patents
Pump clutch Download PDFInfo
- Publication number
- CN101832265A CN101832265A CN 201010182450 CN201010182450A CN101832265A CN 101832265 A CN101832265 A CN 101832265A CN 201010182450 CN201010182450 CN 201010182450 CN 201010182450 A CN201010182450 A CN 201010182450A CN 101832265 A CN101832265 A CN 101832265A
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- CN
- China
- Prior art keywords
- pump
- input shaft
- clutch
- control valve
- hydraulic control
- 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.)
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Abstract
The invention relates to a pump clutch which comprises a pump body, a pump driving shaft and a pump end cover. The pump clutch is characterized in that an output shaft is arranged on the pump end cover, and the axis thereof and the axis of the pump driving shaft are arranged on one straight line; the pump driving shaft is used as an input shaft; an electric/hydraulic control valve is arranged between the inlet and the outlet of the pump; the input shaft is connected with a support part; an outer channel is arranged on the support part, and is communicated with one end of an inner channel of the input shaft; and the other end of the inner channel is connected with the electric/hydraulic control valve which is arranged in the pump body. The invention has the advantages of no need of other components, simple and compact structure, little abrasion, long service life, and easy arrangement of the control system, and is suitable for the engaging and disengaging driving between the driving machine and the driven machine which require half engaging and disengaging.
Description
Technical field
The present invention relates to clutch, is a kind of clutch that utilizes the idle running and the driving shaft of pump and be installed in the same commentaries on classics of output shaft on the pump end cap.
Background technique
Generally between active machine and driven machine, be provided with clutch, so that control driven machine, for example, between the motor of Motor Vehicle and speed changer, all be provided with clutch, when Motor Vehicle starting or speed change, must control clutch make speed changer break away from motor contact ability gentle start or speed change.Existing clutch generally has engagement sleeve, friction clutch, hydraulic couplers and torque converter etc., and wherein: engagement sleeve only is suitable for more slow-revving Synchronous Transmission and can not partly engages clutch; Though friction clutch is applicable to the high speed transmission, skids and scaling loss easily; Hydraulic couplers and torque converter efficient under low speed is low.
Summary of the invention
The purpose of this invention is to provide a kind of output shaft that utilizes the idle running and the driving shaft of pump and be installed on the pump end cap and transfer the clutch that realizes between active machine and the driven machine together, and realize that control moment and speed, control pump clutch partly engage the novel clutch of clutch.
For achieving the above object, the invention provides a kind of pump clutch, comprise the pump housing, pump driving shaft, pump end cap, it is characterized in that: an output shaft is installed on the pump end cap, make its axis and pump driving shaft axis point-blank, the pump driving shaft is as input shaft, be provided with electricity/hydraulic control valve between pump intake and the outlet, connect supporting part on the input shaft, supporting part is provided with external chennel, external chennel is communicated with internal channel one end of input shaft, and the internal channel the other end is connected with the electricity/hydraulic control valve that is located at pump housing inside.
In order to realize overload protection function, an one-way valve in parallel between pump intake and outlet with electricity/hydraulic control valve.
The present invention installs an output shaft on the pump end cap, make its axis and pump driving shaft axis point-blank, the pump driving shaft is as input shaft, be provided with electricity/hydraulic control valve between pump intake and the outlet, connect supporting part on the input shaft, supporting part is provided with external chennel, external chennel is communicated with internal channel one end of input shaft, and the internal channel the other end is connected with the electricity/hydraulic control valve that is located at pump housing inside, thus its from, close and need not other member, simple in structure, compactness, it is little to wear and tear, and the life-span is long, the control system easy arrangement is suitable for controlling clutch and needs half-clutch active machine and the clutch transmission between the driven machine.
Description of drawings
Fig. 1 is embodiments of the invention 1 generalized sections;
Fig. 2 is a built-in system of the present invention loop schematic representation;
Fig. 3 is embodiments of the invention 2 generalized sections;
Fig. 4 is embodiments of the invention 3 generalized sections;
Fig. 5 is an external system circuit schematic representation of the present invention.
Embodiment
Embodiment's 1 double-acting vane pump clutch
With reference to Fig. 1, Fig. 2, an output shaft 1 is installed on pump end cap 3, make its axis and pump driving shaft axis point-blank, and connect with key 2.With pump driving shaft 4 as input shaft.One-way valve 12 in parallel, electricity/hydraulic control valve 13 between pump intake 10 and pump discharge 11 form the shunt circuit.Connect supporting part 5 on input shaft, be provided with external chennel 8 on supporting part, be communicated with internal channel 6 one ends that are located at input shaft, internal channel 6 the other ends are connected the electricity/hydraulic control valve 13,14th that is located at pump housing inside, the pump housing, the 15th, fixing bolt.
When input shaft 4 rotated, the loop was in closed condition, and blade 19 does not have slide relative at stator 20 internal surfaces, so output shaft 1 rotates the pump clutch joint simultaneously with input shaft 4; When overload one-way valve 12 open, driving shaft 4 drives rotors 18 and rotates, blade 19 slides at stator 20 internal surfaces, pump is unloaded to rotate, and at this moment cuts off between input shaft 4 and the output shaft 1 to be connected the pump clutch disconnection; When load restoration just often, one-way valve 12 is closed, the loop is closed, blade 19 does not have slide relative at stator 20 internal surfaces, pump clutch engages, and realizes automatic overload protection.
When the internal channel 6 by input shaft provides control signal, control electricity/hydraulic control valve 13, connect the loop, driving shaft 4 drives rotor 18 and rotates, and blade 19 slides at stator 20 internal surfaces, and pump is unloaded to rotate, at this moment cut off between input shaft 4 and the output shaft 1 and be connected, pump clutch disconnects; When electricity/hydraulic control valve 13 was closed, the loop was in closed condition, and blade 19 does not have slide relative at stator 20 internal surfaces, so output shaft 1 rotates pump clutch joint, realization control moment and speed simultaneously with input shaft 4.
When electricity/hydraulic control valve 13 during in the Push And Release transition stage, electricity/hydraulic control valve 13 is in an interim state, be that loop feature is connected, by having certain pressure reduction and flow between pump intake 10 and the pump discharge 11, blade 19 has certain slide relative at stator 20 internal surfaces, therefore certain torque and slip are arranged between input shaft and output shaft, control torque and slip between input shaft and the output shaft, therefore can control half and engage clutch by controlling electricity/hydraulic control valve 13 folding degree.
Embodiment's 2 three screw pump clutches
With reference to Fig. 3, Fig. 2, an output shaft 1 is installed on pump end cap 3, make its axis and pump driving shaft axis point-blank, and connect with key 2.As input shaft, pump end cap 3 is connected with the pump housing 14 usefulness fixing bolts 15 with pump driving shaft 4.One-way valve 12 in parallel, electricity/hydraulic control valve 13 between pump intake 10 and pump discharge 11 form the shunt circuit.Connect supporting part 5 on input shaft, be provided with external chennel 8 on supporting part, be communicated with internal channel 6 one ends that are located at input shaft, internal channel 6 the other ends are connected the electricity/hydraulic control valve 13 that is located at pump housing inside.
When input shaft 4 rotated, the loop was in closed condition, did not promptly initiatively relatively rotate between screw rod 20 and the driven screw rod 21, and output shaft 1 rotates simultaneously with input shaft 4, and pump clutch engages; When overload one-way valve 12 open, driving shaft 4 drives driven screw rod 21 and rotates, pump is unloaded to rotate, and at this moment cuts off between input shaft 4 and the output shaft 1 to be connected the pump clutch disconnection; When load restoration just often, one-way valve 12 is closed, the loop is closed, and does not initiatively relatively rotate between screw rod 20 and the driven screw rod 21, pump clutch engages, the realization automatic overload protection.
When the internal channel 6 by input shaft provides control signal, control electricity/hydraulic control valve 13, connect the loop, initiatively relatively rotate between screw rod 20 and the driven screw rod, pump is unloaded to rotate, and cut-out connects, and pump clutch disconnects; When electricity/hydraulic control valve 13 was closed, the loop was closed, and did not initiatively relatively rotate between screw rod 20 and the driven screw rod, and pump clutch engages, and realized control moment and speed.
When electricity/hydraulic control valve 13 during in the Push And Release transition stage, electricity/hydraulic control valve 13 is in an interim state, be that loop feature is connected, by having certain pressure reduction and flow between pump intake 10 and the pump discharge 11, initiatively between screw rod 20 and the driven screw rod 21 certain relatively rotating arranged, therefore certain torque and corner are arranged between input shaft and output shaft, control torque and corner between input shaft and the output shaft, therefore can control half and engage clutch by controlling electricity/hydraulic control valve 13 folding degree.
Embodiment's 3 cycloid inside engaged gear pump clutch
With reference to Fig. 4, Fig. 5, an output shaft 1 is installed on pump end cap 3, make its axis and pump driving shaft axis point-blank, and connect with key 2.With pump driving shaft 2 as input shaft, on input shaft, connect supporting part 5, be provided with two external chennels 8,9 on supporting part, external chennel 8,9 is logical with a termination of the internal channel 6,7 that is located at input shaft respectively, and the other end of internal channel 6,7 is connected pump intake 10, pump discharge 11 respectively.Internal channel 7, the external chennel 9 of the internal channel 6 by external chennel 8, input shaft, pump intake 10, internal rotor 23, external rotor 22, pump discharge 11, input shaft and be located at one-way valve 12, electricity/hydraulic control valve 13, fuel tank 16, the filter 17 that the outside is in parallel and get back to external chennel 8, form the closed-loop path, thereby be implemented in the external control pump clutch of pump clutch.
When input shaft 4 rotated, the loop was in closed condition, did not promptly relatively rotate between internal rotor 23 and the external rotor 22, and output shaft 1 rotates simultaneously with input shaft 4, and pump clutch engages; When overload one-way valve 12 open, relatively rotate between the internal rotor 23 that driving shaft 4 drives and the external rotor 22, pump is unloaded to rotate, and at this moment cuts off between input shaft 4 and the output shaft 1 to connect the pump clutch disconnection; When load restoration just often, one-way valve 12 is closed, the loop is closed, and does not relatively rotate between internal rotor 23 and the external rotor 22, pump clutch engages, and realizes automatic overload protection.
When control electricity/hydraulic control valve 13, connect the loop, relatively rotate between internal rotor 23 and the external rotor 22, pump is unloaded to rotate, and cuts off to connect, and pump clutch disconnects; When electricity/hydraulic control valve 13 was closed, the loop was closed, and did not relatively rotate between internal rotor 23 and the external rotor 22, and pump clutch engages, and realized control moment and speed.When electricity/hydraulic control valve 13 during in the Push And Release transition stage, electricity/hydraulic control valve 13 is in an interim state, be that loop feature is connected, by having certain pressure reduction and flow between pump intake 10 and the pump discharge 11, have necessarily between internal rotor 23 and the external rotor 22 and relatively rotate, therefore certain torque and corner are arranged between input shaft and output shaft, control torque and slip between input shaft and the output shaft by controlling electricity/hydraulic control valve 13 folding degree, therefore can partly engage clutch at the external control pump clutch of pump clutch.
The present invention can select gear pump for use, as crescent gear pump and external gear pump; Vane pump is as single-acting pump, double-acting pump, cam rotor vane pump; Screw pump is as helical rotor pump, two screw pump, three screw pump; Turbine pump is as centrifugal pump, axial-flow pump; Radial plunger pump, axial piston pump etc.Working medium can be an oil, gas, water and emulsified liquid.
Claims (2)
1. pump clutch, comprise the pump housing, pump driving shaft, pump end cap, it is characterized in that: an output shaft is installed on the pump end cap, make its axis and pump driving shaft axis point-blank, the pump driving shaft is provided with electricity/hydraulic control valve as input shaft between pump intake and the outlet, connect supporting part on the input shaft, supporting part is provided with external chennel, and external chennel is communicated with internal channel one end of input shaft, and the internal channel the other end is connected with the electricity/hydraulic control valve that is located at pump housing inside.
2. pump clutch according to claim 1 is characterized in that: pump intake with the outlet between an one-way valve in parallel with electricity/hydraulic control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010182450 CN101832265A (en) | 2010-05-26 | 2010-05-26 | Pump clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010182450 CN101832265A (en) | 2010-05-26 | 2010-05-26 | Pump clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101832265A true CN101832265A (en) | 2010-09-15 |
Family
ID=42716442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010182450 Pending CN101832265A (en) | 2010-05-26 | 2010-05-26 | Pump clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101832265A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4624355A (en) * | 1982-08-06 | 1986-11-25 | Joseph Mroz | Hydraulic clutch and pump assembly |
| CN1368603A (en) * | 2002-02-28 | 2002-09-11 | 冯永忠 | Flying pump clutch |
| US20030127275A1 (en) * | 2002-01-10 | 2003-07-10 | Rogers Clayton R. | High efficiency automotive hydraulic power steering system |
| CN201475298U (en) * | 2009-05-25 | 2010-05-19 | 杭州萧山江南通用机械厂 | Reduction gear box with three sets of clutches |
| CN201696294U (en) * | 2010-05-26 | 2011-01-05 | 玄邵华 | Pump clutch |
-
2010
- 2010-05-26 CN CN 201010182450 patent/CN101832265A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4624355A (en) * | 1982-08-06 | 1986-11-25 | Joseph Mroz | Hydraulic clutch and pump assembly |
| US20030127275A1 (en) * | 2002-01-10 | 2003-07-10 | Rogers Clayton R. | High efficiency automotive hydraulic power steering system |
| CN1368603A (en) * | 2002-02-28 | 2002-09-11 | 冯永忠 | Flying pump clutch |
| CN201475298U (en) * | 2009-05-25 | 2010-05-19 | 杭州萧山江南通用机械厂 | Reduction gear box with three sets of clutches |
| CN201696294U (en) * | 2010-05-26 | 2011-01-05 | 玄邵华 | Pump clutch |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20100915 |