CN204716665U - For the shared pumping plant of fork truck torque-converters and clutch test - Google Patents

For the shared pumping plant of fork truck torque-converters and clutch test Download PDF

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Publication number
CN204716665U
CN204716665U CN201520303269.7U CN201520303269U CN204716665U CN 204716665 U CN204716665 U CN 204716665U CN 201520303269 U CN201520303269 U CN 201520303269U CN 204716665 U CN204716665 U CN 204716665U
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valve
converters
oil
torque
motor
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CN201520303269.7U
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Chinese (zh)
Inventor
施文静
张丽
袁正
李戈操
温跃清
候正新
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Anhui Heli Co Ltd
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Anhui Heli Co Ltd
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Abstract

The utility model relates to the shared pumping plant for fork truck torque-converters and clutch test.Be made up of two fuel tanks, two motor, two oil pumps, two one-way valves, four stop valves, relief valve, control valve assembly and pipelines; Described shared pumping plant is respectively equipped with torque-converters detection port and clutch detection port; Meanwhile, the performance test requirement of torque-converters or clutch is met.The utility model realizes adjustable within the scope of the large discharge of 8L/min ~ 100 L/min; For tested torque-converters, fuel delivery can realize regulating continuously, and maximum fuel delivery differs about four times with minimum fuel delivery.First fuel tank and the second fuel tank can as different oil sources, for the working pump oil suction of pumping plant; And design two paths at inlet port, and realize from different oil sources oil suction, any one that opens or block in two oil circuits with hand stop valve.

Description

For the shared pumping plant of fork truck torque-converters and clutch test
Technical field
The utility model belongs to driving component technical field of performance test, is specifically related to the performance testing device of torque-converters or clutch.
Background technique
Torque-converters, clutch are the key components and partss of forklift gear-box, need to detect in driving component comprehensive performance testing system of being everlasting, and all need to be equipped with pumping plant to simulate the hydraulic environment of gearbox operation during test.
The performance test of existing torque-converters or the performance test of clutch need to be equipped with two different cover pumping plants respectively, and two cover pumping plants all will be equipped with the parts such as motor, pump, valve, and equipment investment cost is high.
Fork truck kind for different operating mode is more, needs to carry out the torque-converters of testing property, the kind of clutch is just more; The performance parameter adapted with it is different, thus needing the pumping plant being equipped with different size, when doing experiment, need change pumping plant, troublesome poeration.
Model utility content
In order to reduce equipment investment cost, improve operating efficiency, the utility model provides a kind of shared pumping plant for fork truck torque-converters and clutch test.
Shared pumping plant for fork truck torque-converters and clutch test comprises two fuel tanks, two motor, two oil pumps, two one-way valves, four stop valves, relief valve 4 and control valve assemblies 8;
Described two fuel tanks are respectively the first fuel tank 1 and the second fuel tank 10;
Described two motor are respectively the first motor 18 and the second motor 17;
Described two oil pumps are respectively the first oil pump 11 and the second oil pump 13;
Described two one-way valves are respectively the first one-way valve 6 and the second one-way valve 15;
Described four stop valves are respectively the first stop valve 7, second stop valve 12, the 3rd stop valve 14 and the 4th stop valve 16;
The output shaft of the first motor 18 is connected to the live axle of the first oil pump 11, and the output shaft of the second motor 17 is connected to the live axle of the second oil pump 13;
The filler opening of described first oil pump 11 and the filler opening of the second oil pump 13 are by four-way pipe parallel connection, another two mouths of pipe of described four-way pipe are communicated with the first fuel tank 1 and the second fuel tank 10 respectively, the mouth of pipe be communicated with the first fuel tank 1 to be connected the 3rd stop valve 14, the 4th stop valve 16 that the mouth of pipe be communicated with the second fuel tank 10 is connected; The oil outlet of the first oil pump 11 is connected the first one-way valve 6, second oil pump 13 oil outlet on the connect outlet of the second one-way valve 15, first one-way valve 6 and the outlet of the second one-way valve 15 be connected in parallel the first port of three-way pipe; Second port of described three-way pipe is connected to the import of the second stop valve 12, the outlet of the second stop valve 12 is connected to the oil-feed port of control valve assembly 8, two working oil outlets of control valve assembly 8 are clutch detection port 9, and the fuel-displaced port of lubricant oil of control valve assembly 8 is communicated with clutch lubrication oil duct interface 21; 3rd port of described three-way pipe is connected to the import of the first stop valve 7; The outlet of the first stop valve 7 is divided into two ports, is respectively overflow port and torque-converters detection port; Described overflow port is connected relief valve 4, and relief valve 4 is communicated with the first fuel tank 1; Torque-converters detection port is connected flowmeter 2 and throttle valve 3, and described throttle valve 3 is communicated with the first fuel tank 1.
Described first motor 18 and the second motor 17 are variable-frequency motor, and the power of the first motor 18 is 2.2Kw, and the power of described second motor 17 is 1.5Kw; Described first oil pump 11 and the second oil pump 13 are gear pump.
Described first stop valve 7, second stop valve 12, the 3rd stop valve 14 and the 4th stop valve 16 are manual shutoff ball valve.
Described relief valve 4 is direct-acting overflow valve.
Described control valve assembly 8 is the duty valve of the special control gear switch of forklift gear-box.
Described flowmeter 2 is turbine meter.
The filler opening of described 3rd stop valve 14, the filler opening of the 4th stop valve 16 and the oil outlet of relief valve 4 are in series with filter cleaner respectively.
Advantageous Effects of the present utility model embodies in the following areas:
1. the utility model is on the basis of a set of shared power source, and same pumping plant meets the performance test requirement of torque-converters or clutch.
2. the utility model utilizes two gear pump combinations and variable-frequency motor adjustment rotating speed, realizes within the scope of the large discharge of 8L/min ~ 100 L/min adjustable; For tested torque-converters, fuel delivery can realize regulating continuously, and maximum fuel delivery differs about four times with minimum fuel delivery.
3. the first fuel tank and the second fuel tank can as different oil sources, for the working pump oil suction of pumping plant; And design two paths at inlet port, and realize from different oil sources oil suction, any one that opens or block in two oil circuits with hand stop valve.
4. utilize control valve assembly to do clutch test control valve, more meet clutch applying working condition.
Accompanying drawing explanation
Fig. 1 is the utility model structure principle chart.
Fig. 2 is torque-converters test principle figure.
Fig. 3 is clutch test schematic diagram.
Sequence number in upper figure: the first fuel tank 1, flowmeter 2, throttle valve 3, relief valve 4, tested torque-converters 5, first one-way valve 6, first stop valve 7, control valve assembly 8, clutch detection port 9, second fuel tank 10, first oil pump 11, second stop valve 12, second oil pump 13, 3rd stop valve 14, second one-way valve 15, 4th stop valve 16, second motor 17, first motor 18, tested clutch 19, torque-converters detection port 20, clutch lubrication oil duct interface 21, clutch lubrication oil duct 22.
Embodiment
Below in conjunction with accompanying drawing, by embodiment, the utility model is further described.
Embodiment
See Fig. 1, the shared pumping plant for fork truck torque-converters and clutch test comprises two fuel tanks, two motor, two oil pumps, two one-way valves, four stop valves, relief valve 4 and control valve assemblies 8;
Two fuel tanks are respectively the first fuel tank 1 and the second fuel tank 10;
Two motor are respectively the first motor 18 and the second motor 17, first motor 18 and the second motor 17 and are variable-frequency motor, and the power of the first motor 18 is 2.2Kw, and the power of the second motor 17 is 1.5Kw.
Two oil pumps are respectively the first oil pump 11 and the second oil pump 13, and are gear pump, and discharge capacity is respectively 45mL/r 20mL/r.
Two one-way valves are respectively the first one-way valve 6 and the second one-way valve 15;
Four stop valves are respectively the first stop valve 7, second stop valve 12, the 3rd stop valve 14 and the 4th stop valve 16, and are manual shutoff ball valve.
Relief valve 4 is direct-acting overflow valve.
Control valve assembly 8 is the duty valve that the special control gear of forklift gear-box switches, the utility model is according to by the model of test specimen, match the control valve assembly 8 adapted with it, as the matching used control valve assembly 8 of test 5-7 ton forklift gearbox, model: DY-10B-24.
The filler opening of the 3rd stop valve 14, the filler opening of the 4th stop valve 16 and the oil outlet of relief valve 4 are in series with filter cleaner respectively.
The output shaft of the first motor 18 is connected to the live axle of the first oil pump 11, and the output shaft of the second motor 17 is connected to the live axle of the second oil pump 13;
The filler opening of the first oil pump 11 and the filler opening of the second oil pump 13 are by four-way pipe parallel connection, another two mouths of pipe of described four-way pipe are communicated with the first fuel tank 1 and the second fuel tank 10 respectively, the mouth of pipe be communicated with the first fuel tank 1 to be connected the 3rd stop valve 14, the 4th stop valve 16 that the mouth of pipe be communicated with the second fuel tank 10 is connected; The oil outlet of the first oil pump 11 is connected the first one-way valve 6, second oil pump 13 oil outlet on the connect outlet of the second one-way valve 15, first one-way valve 6 and the outlet of the second one-way valve 15 be connected in parallel the first port of three-way pipe; Second port of described three-way pipe is connected to the import of the second stop valve 12, the outlet of the second stop valve 12 is connected to the oil-feed port of control valve assembly 8, two working oil outlets of control valve assembly 8 are clutch detection port 9, and the fuel-displaced port of lubricant oil of control valve assembly 8 is communicated with clutch lubrication oil duct interface 21; 3rd port of described three-way pipe is connected to the import of the first stop valve 7; The outlet of the first stop valve 7 is divided into two ports, is respectively overflow port and torque-converters detection port; Described overflow port is connected relief valve 4, and relief valve 4 is communicated with the first fuel tank 1; Torque-converters detection port is connected flowmeter 2 and throttle valve 3, and throttle valve 3 is communicated with the first fuel tank 1, and flowmeter 2 is turbine meter.
The subjects that the utility model test pumping plant adapts to is many, the flow adjustment range of pumping plant is also therefore larger, and the rotating speed accommodation of oil hydraulic pump is 600rpm ~ 2500rpm, the pump of any one discharge capacity all cannot meet system requirements, and two pumps must be adopted to combine fuel feeding.As shown in Figure 1, the discharge capacity of two pumps group is respectively: the second oil pump 13 is 20mL/r, and being equipped with 1.5kw second motor 17, the first oil pump 11 is 45mL/r, is equipped with 2.2kw first motor 18.Having three kinds of fuel system, is the second oil pump 13 fuel feeding, the first oil pump 11 fuel feeding respectively, two pumps combination fuel feeding.When flow system flow is less than 40L/min, open the second oil pump 13, otherwise, open the first oil pump 11.If flowed exceed 100L/min by test specimen, two pumps can be opened simultaneously.In hydraulic system, during in order to prevent pump operation, discharge fluid flow into another pump, connect the first one-way valve 6 and the second one-way valve 15 respectively in the outlet of two pumps.
See Fig. 2, when testing for torque-converters, tested torque-converters 5 is connected on torque-converters detection port 20; Close the second stop valve 16, open the 3rd stop valve 14, make system oil suction from the first fuel tank 1, meanwhile, open the first stop valve 7, close the 4th stop valve 12, by the first oil pump 11 and the second oil pump 13, the pressure oil flowed out flows to tested torque-converters 5.
In torque-converters test, measure the flow flowing through tested torque-converters 5 with flowmeter 2, relief valve 4 is safety valves of pilot system, plays superpressure overflow effect.The effect of throttle valve 3 arranges certain back pressure in the loop and adjustable, regulates the return pressure of tested torque-converters 5 with throttle valve 3, fairly simple, workable, tests different torque-converters, regulates the aperture of throttle valve 3, just can obtain different back pressures.
See Fig. 3, during for clutch test, tested clutch 19 is connected on clutch detection port 9; Close the 3rd stop valve 14, open the second stop valve 12, make system oil suction from the second fuel tank 10.Meanwhile, open the 4th stop valve 16, close the first stop valve 7, the pressure oil flowed out by the first oil pump 11 and the second oil pump 13 flows to tested clutch 19 through control valve assembly 8.
In clutch test, control valve assembly 8 controls combination, the separation of tested clutch 19, and provides low pressure oil to lubricate to tested clutch 19 oil leab.The clutch lubrication oil duct 22 of tested clutch 19 is connected with clutch lubrication oil duct interface 21, the fluid provided by the lubricating oil outlet of control valve assembly 8 flows into clutch lubrication oil duct 22, when clutch test, play the effect of lubrication clutch main parts size.The advantage of control valve assembly 8 is adopted to be: inside this valve, to comprise pressure fixing valve and pressure regulator valve, the oil mass entering clutch can be made slowly to increase, and keep certain pressure, clutch gear-shift is reduced and impacts, make the hydraulic environment of the operation of clutch more similar with the actual conditions of car load.

Claims (8)

1., for the shared pumping plant of fork truck torque-converters and clutch test, it is characterized in that: comprise two fuel tanks, two motor, two oil pumps, two one-way valves, four stop valves, relief valve (4) and control valve assemblies (8);
Described two fuel tanks are respectively the first fuel tank (1) and the second fuel tank (10);
Described two motor are respectively the first motor (18) and the second motor (17);
Described two oil pumps are respectively the first oil pump (11) and the second oil pump (13);
Described two one-way valves are respectively the first one-way valve (6) and the second one-way valve (15);
Described four stop valves are respectively the first stop valve (7), the second stop valve (12), the 3rd stop valve (14) and the 4th stop valve (16);
The output shaft of the first motor (18) is connected to the live axle of the first oil pump (11), and the output shaft of the second motor (17) is connected to the live axle of the second oil pump (13);
The filler opening of described first oil pump (11) and the filler opening of the second oil pump (13) are by four-way pipe parallel connection, another two mouths of pipe of described four-way pipe are communicated with the first fuel tank (1) and the second fuel tank (10) respectively, the mouth of pipe be communicated with the first fuel tank (1) to be connected the 3rd stop valve (14), the 4th stop valve (16) that the mouth of pipe be communicated with the second fuel tank (10) is connected; The oil outlet of the first oil pump (11) to be connected the first one-way valve (6), the oil outlet of the second oil pump (13) is connected the second one-way valve (15), the outlet of the first one-way valve (6) and the outlet of the second one-way valve (15) are connected in parallel the first port of three-way pipe; Second port of described three-way pipe is connected to the import of the second stop valve (12), the outlet of the second stop valve (12) is connected to the oil-feed port of control valve assembly (8), two working oil outlets of control valve assembly (8) are clutch detection port (9), and the fuel-displaced port of lubricant oil of control valve assembly (8) is communicated with clutch lubrication oil duct interface (21); 3rd port of described three-way pipe is connected to the import of the first stop valve (7); The outlet of the first stop valve (7) is divided into two ports, is respectively overflow port and torque-converters detection port; Described overflow port is connected relief valve (4), and relief valve (4) is communicated with the first fuel tank (1); Torque-converters detection port is connected flowmeter (2) and throttle valve (3), and described throttle valve (3) is communicated with the first fuel tank (1).
2. the shared pumping plant for fork truck torque-converters and clutch test according to claim 1, it is characterized in that: described first motor (18) and the second motor (17) are variable-frequency motor, the power of the first motor (18) is 2.2Kw, and the power of described second motor (17) is 1.5Kw.
3. the shared pumping plant for fork truck torque-converters and clutch test according to claim 1, is characterized in that: the first oil pump (11) and the second oil pump (13) are gear pump.
4. the shared pumping plant for fork truck torque-converters and clutch test according to claim 1, is characterized in that: the first stop valve (7), the second stop valve (12), the 3rd stop valve (14) and the 4th stop valve (16) are manual shutoff ball valve.
5. the shared pumping plant for fork truck torque-converters and clutch test according to claim 1, is characterized in that: described relief valve (4) is direct-acting overflow valve.
6. the shared pumping plant for fork truck torque-converters and clutch test according to claim 1, is characterized in that: the duty valve that described control valve assembly (8) switches for control gear that forklift gear-box is special.
7. the shared pumping plant for fork truck torque-converters and clutch test according to claim 1, is characterized in that: described flowmeter (2) is turbine meter.
8. the shared pumping plant for fork truck torque-converters and clutch test according to claim 1, is characterized in that: the filler opening of described 3rd stop valve (14), the filler opening of the 4th stop valve (16) and the oil outlet of relief valve (4) are in series with filter cleaner respectively.
CN201520303269.7U 2015-05-12 2015-05-12 For the shared pumping plant of fork truck torque-converters and clutch test Active CN204716665U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520303269.7U CN204716665U (en) 2015-05-12 2015-05-12 For the shared pumping plant of fork truck torque-converters and clutch test

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Application Number Priority Date Filing Date Title
CN201520303269.7U CN204716665U (en) 2015-05-12 2015-05-12 For the shared pumping plant of fork truck torque-converters and clutch test

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104863926A (en) * 2015-05-12 2015-08-26 安徽合力股份有限公司 Shared pump station for testing of forklift torque converter and clutch
CN112572386A (en) * 2019-09-30 2021-03-30 比亚迪股份有限公司 Device for processing a hydraulic vehicle brake system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104863926A (en) * 2015-05-12 2015-08-26 安徽合力股份有限公司 Shared pump station for testing of forklift torque converter and clutch
CN112572386A (en) * 2019-09-30 2021-03-30 比亚迪股份有限公司 Device for processing a hydraulic vehicle brake system

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