CN207881928U - Gear-box testing experimental system - Google Patents
Gear-box testing experimental system Download PDFInfo
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- CN207881928U CN207881928U CN201721491641.7U CN201721491641U CN207881928U CN 207881928 U CN207881928 U CN 207881928U CN 201721491641 U CN201721491641 U CN 201721491641U CN 207881928 U CN207881928 U CN 207881928U
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Abstract
The utility model discloses a kind of gear-box testing experimental systems, including gear-box, the loading section and drive part being connect with gear-box, loading section and drive part are connect with oil tank joint provides hydraulic oil by fuel tank, loading section includes plunger pump, electro-hydraulic proportion reversing valve and hydraulic motor, the hydraulic oil of plunger pump sucking enters hydraulic motor to hydraulic motor output torque and rotating speed by electro-hydraulic proportion reversing valve, hydraulic motor connect driving gear-box rotation with gear-box, loading section includes load hydraulic pump, load hydraulic pump is connected with gear-box, pressure value is provided for gear-box.By the above-mentioned means, the utility model gear-box testing experimental system, large carrying capacity is identical in power, hydraulicdriven small, light weight, therefore is active in one's movements, and inertia is small；Energy variable speed and energy long-distance automatic control are easy to get low-speed or high-speed, and service life, which is grown, is easily obtained prodigious power or torque, stable drive, and vibration absorption ability is strong.
Description
Technical field
The utility model is related to hydraulic system fields, more particularly to a kind of yaw variable propeller gearbox testing experimental system.
Background technology
Since 20 end of the centurys, Global Wind Energy is advanced by leaps and bounds, single machine generated output also by multikilowatt by
Step is transitioned into MW class, and has and continue increased trend.Yaw variable propeller gearbox is to apply to yaw system in wind power generating set
The important component of system and pitch-controlled system, therefore it is research and development of products and improved heavy to yaw variable propeller gearbox performance test experiment
In it is weight.
Mechanical load method is simple and practicable, but can only analog variation rule simply load, and cannot be continuously adjusted.It surveys
The loading system of work(machine load is complicated, of high cost, precision is low, and in addition loading device rotary inertia is big, and dynamometer machine is confined to static state
Test data, and waited the load of process that can not simulate gear-box startup, acceleration, Brake stop.Motor direct-drive adds
The shortcomings that load be it is complicated, output rotating speed cannot it is too low or too high, speed adjustable range is limited, easily by supply voltage, frequency
It is impacted when the influence of variation and frequently commutation larger.
Invention content
The utility model is mainly solving the technical problems that provide a kind of gear-box testing experimental system, large carrying capacity,
It is identical in power, hydraulicdriven small, light weight, therefore be active in one's movements, inertia is small；Can variable speed and
Energy long-distance automatic control is easy to get low-speed or high-speed, and service life length is easily obtained prodigious power or torque, and transmission is flat
Surely, vibration absorption ability is strong.
In order to solve the above technical problems, the technical solution that the utility model uses is：A kind of gear-box test is provided
Experimental system, including gear-box, the loading section and drive part being connect with gear-box, the loading section and drive part are equal
It being connect with oil tank joint and provides hydraulic oil by fuel tank, the loading section includes plunger pump, electro-hydraulic proportion reversing valve and hydraulic motor,
The hydraulic oil of plunger pump sucking enters hydraulic motor to hydraulic motor output torque and rotating speed by electro-hydraulic proportion reversing valve,
Hydraulic motor connect driving gear-box rotation with gear-box, and the loading section includes load hydraulic pump, the load hydraulic pump
It is connected with gear-box, pressure value is provided for gear-box.
In one preferred embodiment of the utility model, motor, the plunger pump and oil are connected on the plunger pump
Case is connected to, and motor drive plunger pump sucks hydraulic oil from fuel tank.
In one preferred embodiment of the utility model, the electro-hydraulic proportion reversing valve both ends are equipped with the first electromagnet and the
Two electromagnet by the forward direction of the first electromagnet and the second magnet control hydraulic motor or rotate backward.
In one preferred embodiment of the utility model, rotating speed torque biography is additionally provided between the hydraulic motor and gear-box
Sensor, the rotating speed and torque of the rotary speed torque sensor detection hydraulic motor.
In one preferred embodiment of the utility model, tune is also associated between the plunger pump and electro-hydraulic proportion reversing valve
Save proportional pressure control valve, the output pressure for adjusting proportional pressure control valve control plunger pump.
In one preferred embodiment of the utility model, the loading section further includes bridge-type check valve oil circuit and load ratio
Example pressure valve, described load proportional pressure valve one end are connect with fuel tank, the other end and bridge-type check valve oil circuit connection, the bridge-type
Check valve oil circuit is connected to load hydraulic pump, adjusts the pressure of load proportional pressure valve and the pressure of load hydraulic pump is made to be gear-box
Required working pressure when test experiments.
In one preferred embodiment of the utility model, the bridge-type check valve oil circuit includes hydraulic fluid port A, hydraulic fluid port B, hydraulic fluid port C
It is connected respectively with two hydraulic fluid ports of load hydraulic pump with hydraulic fluid port D, the hydraulic fluid port A and hydraulic fluid port B, hydraulic fluid port C is connected with slippage pump,
Hydraulic fluid port D is connected with the oil inlet of load proportional pressure valve, and the oil outlet of the load proportional pressure valve is connected with fuel tank.
In one preferred embodiment of the utility model, load hydraulic pump position bidirectional rotation constant pressure variable displacement pump.
The utility model has the beneficial effects that：The utility model gear-box testing experimental system, large carrying capacity, in power
In the case of identical, hydraulicdriven small, light weight, therefore be active in one's movements, inertia is small；It can variable speed and energy long distance
From automatically controlling, it is easy to get low-speed or high-speed；Due to using fluid for working media, some components of Hydraulic Power Transmission System it
Between can lubricating by oneself, service life length is easily obtained prodigious power or torque, stable drive, vibration absorption ability is strong, be easy to implement frequency
Numerous commutation and overload protection.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Other attached drawings are obtained, wherein：
Fig. 1 is the structural schematic diagram of one preferred embodiment of the utility model gear-box testing experimental system；
The label of each component is as follows in attached drawing：1, motor, 2, plunger pump, 3, adjust proportional pressure control valve, 4, electric-hydraulic proportion
Reversal valve, 5, hydraulic motor, 6, rotary speed torque sensor, 7, load hydraulic pump, 8, bridge-type check valve oil circuit, 9, load ratio
Pressure valve, 10, gear-box, the 11, first electromagnet, the 12, second electromagnet, hydraulic fluid port A, hydraulic fluid port B, hydraulic fluid port C, hydraulic fluid port D.
Specific implementation mode
Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.Based on the implementation in the utility model
Example, all other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Referring to Fig. 1, a kind of gear-box testing experimental system, including gear-box 10, the loading unit being connect with gear-box 10
Divide and drive part, loading section and drive part connect with oil tank joint and provide hydraulic oil by fuel tank, loading section includes column
Plug pump 2, electro-hydraulic proportion reversing valve 4 and hydraulic motor 5, the hydraulic oil that plunger pump 2 sucks enter liquid by electro-hydraulic proportion reversing valve 4
Pressure motor 5 is to 5 output torque of hydraulic motor and rotating speed, and hydraulic motor 5 connect driving gear-box 10 with gear-box 10 and rotates, load
Part includes load hydraulic pump 7, and load hydraulic pump 7 is connected with gear-box 10, and pressure value is provided for gear-box 10.
In addition, being connected with motor 1 on plunger pump 2, plunger pump 2 is connected to fuel tank, and motor 1 drives plunger pump 2 by liquid
Pressure oil is sucked from fuel tank.
In addition, 4 both ends of electro-hydraulic proportion reversing valve are equipped with the first electromagnet 11 and the second electromagnet 12, pass through the first electromagnet
11 and second electromagnet 12 control hydraulic motor 5 forward direction or rotate backward.
In addition, being additionally provided with rotary speed torque sensor 6 between hydraulic motor 5 and gear-box 10, rotary speed torque sensor 6 detects
The rotating speed and torque of hydraulic motor 5.
Proportional pressure control valve 3 is adjusted in addition, being also associated between plunger pump 2 and electro-hydraulic proportion reversing valve 4, adjusts proportional overflow
Valve 3 controls the output pressure of plunger pump 2.
In addition, loading section further includes bridge-type check valve oil circuit 8 and load proportional pressure valve 9, proportional pressure valve 9 one is loaded
End is connect with fuel tank, and the other end is connect with bridge-type check valve oil circuit 8, and bridge-type check valve oil circuit 8 is connected to load hydraulic pump 7, is adjusted
The pressure of section load proportional pressure valve 9 operating pressure required when the pressure of load hydraulic pump 7 being made to be gear-box test experiments
Value.
In addition, bridge-type check valve oil circuit 8 includes hydraulic fluid port A, hydraulic fluid port B, hydraulic fluid port C and hydraulic fluid port D, hydraulic fluid port A and hydraulic fluid port B respectively with add
Two hydraulic fluid ports of carrier fluid press pump 7 are connected, and hydraulic fluid port C is connected with slippage pump, the oil inlet of hydraulic fluid port D and load proportional pressure valve 9
It is connected, the oil outlet of load proportional pressure valve 9 is connected with fuel tank.
The utility model gear-box testing experimental system uses hydraulic-driven, and plunger pump 2, plunger are driven by motor 1
2 sucking hydraulic oil of pump is changed to make hydraulic motor 5 that gear-box 10 be driven to rotate by adjusting proportional pressure control valve 3 and electric-hydraulic proportion
The rotating speed and moment of torsion control to drive part are realized to valve 5；Loading section is also by hydraulic loaded, using load proportional pressure valve
The work of 9 pairs of load hydraulic pumps 7 is used for controlling, and is increased with on-load pressure, and load torque increases, to realize load, this
Sample load mode is easy to use, can carry out static, dynamic and continuous load.
Drive part is to drive hydraulic planger pump 2 to rotate by motor 1, and hydraulic oil is sucked from fuel tank, passes through adjusting
Proportional pressure control valve 3 realizes the control of pump output pressure；The pressure oil that hydraulic pump generates enters electro-hydraulic proportion reversing valve 4, passes through control
The signal of 4 both ends electromagnet of electro-hydraulic proportion reversing valve processed is realized the control of output flow, and is obtained by switching two electromagnet
Electricity realizes the positive and negative rotation of two-way hydraulic motor 5, realizes to export hydraulic motor 5 by adjustable pressure and flow and turn round
The control of square and rotating speed；Hydraulic motor 5 yaws variable propeller gearbox 10 with measured piece by rotary speed torque sensor 6 and is connected at this time,
Gear-box 10 is driven to rotate, wherein rotating speed and torque of the rotary speed torque sensor 6 for detecting 10 drive part of gear-box is big
It is small.
It is that yaw change slurry gear-box is connected with load hydraulic pump 7 that wherein yaw, which becomes slurry gear-box loading section, loads hydraulic pressure
Pump 7 uses bidirectional rotation constant pressure variable displacement pump, and the hydraulic fluid port A of the oil circuit mouth and bridge-type check valve oil circuit 8 that load hydraulic pump 7 connects
It connects, another oil circuit mouth of load hydraulic pump 7 is connect with the hydraulic fluid port B of bridge-type check valve oil circuit 8.The oil of bridge-type check valve oil circuit 8
Mouthful D connect with the oil inlet of load proportional pressure valve 9, loads the oil outlet connection fuel tank of proportional pressure valve 9, slippage pump it is fuel-displaced
The hydraulic fluid port C of mouth connection check valve oil circuit 8.The setting of hydraulic loading system operating pressure is to adjust the pressure of load proportional pressure valve 9
Power, required working pressure when the pressure of load hydraulic pump 7 being made to be gear-box test experiments.
It is different from the prior art, the utility model gear-box testing experimental system, large carrying capacity, in the identical feelings of power
Under condition, hydraulicdriven small, light weight, therefore be active in one's movements, inertia is small；It can variable speed and the far distance automatic control of energy
System, is easy to get low-speed or high-speed；It, can be voluntarily between some components of Hydraulic Power Transmission System due to using fluid for working media
Lubrication, service life length is easily obtained prodigious power or torque, stable drive, vibration absorption ability is strong, be easy to implement frequently commutation and
Overload protection.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Using equivalent structure or equivalent flow shift made by the utility model description, it is applied directly or indirectly in other phases
The technical field of pass, is equally included in the patent within the scope of the utility model.
Claims (8)
1. a kind of gear-box testing experimental system, including gear-box, the loading section and drive part being connect with gear-box are described
Loading section and drive part are connect with oil tank joint provides hydraulic oil by fuel tank, which is characterized in that the loading section includes
The hydraulic oil of plunger pump, electro-hydraulic proportion reversing valve and hydraulic motor, the plunger pump sucking is entered by electro-hydraulic proportion reversing valve
For hydraulic motor to hydraulic motor output torque and rotating speed, hydraulic motor connect driving gear-box rotation, the load with gear-box
Part includes load hydraulic pump, and the load hydraulic pump is connected with gear-box, and pressure value is provided for gear-box.
2. gear-box testing experimental system according to claim 1, which is characterized in that be connected on the plunger pump electronic
Machine, the plunger pump are connected to fuel tank, and motor drive plunger pump sucks hydraulic oil from fuel tank.
3. gear-box testing experimental system according to claim 2, which is characterized in that the electro-hydraulic proportion reversing valve both ends
Equipped with the first electromagnet and the second electromagnet, by the forward direction of the first electromagnet and the second magnet control hydraulic motor or anti-
To rotation.
4. gear-box testing experimental system according to claim 3, which is characterized in that the hydraulic motor and gear-box it
Between be additionally provided with rotary speed torque sensor, the rotating speed and torque of the rotary speed torque sensor detection hydraulic motor.
5. gear-box testing experimental system according to claim 4, which is characterized in that the plunger pump and electric-hydraulic proportion are changed
To adjusting proportional pressure control valve is also associated between valve, the adjusting proportional pressure control valve controls the output pressure of plunger pump.
6. according to any gear-box testing experimental systems of claim 1-5, which is characterized in that the loading section also wraps
Bridge-type check valve oil circuit and load proportional pressure valve are included, described load proportional pressure valve one end is connect with fuel tank, the other end and bridge
Formula check valve oil circuit connection, the bridge-type check valve oil circuit are connected to load hydraulic pump, adjust the pressure of load proportional pressure valve
Required working pressure when the pressure of load hydraulic pump being made to be gear-box test experiments.
7. gear-box testing experimental system according to claim 6, which is characterized in that the bridge-type check valve oil circuit includes
Hydraulic fluid port A, hydraulic fluid port B, hydraulic fluid port C and hydraulic fluid port D, the hydraulic fluid port A and hydraulic fluid port B are connected with two hydraulic fluid ports of load hydraulic pump respectively, oil
Mouth C is connected with slippage pump, and hydraulic fluid port D is connected with the oil inlet of load proportional pressure valve, and the load proportional pressure valve goes out
Hydraulic fluid port is connected with fuel tank.
8. gear-box testing experimental system according to claim 7, which is characterized in that load hydraulic pump position bidirectional rotary
Turn constant pressure variable displacement pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721491641.7U CN207881928U (en) | 2017-11-10 | 2017-11-10 | Gear-box testing experimental system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721491641.7U CN207881928U (en) | 2017-11-10 | 2017-11-10 | Gear-box testing experimental system |
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| Publication Number | Publication Date |
|---|---|
| CN207881928U true CN207881928U (en) | 2018-09-18 |
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ID=63499732
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721491641.7U Active CN207881928U (en) | 2017-11-10 | 2017-11-10 | Gear-box testing experimental system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110246407A (en) * | 2019-05-10 | 2019-09-17 | 华中科技大学 | A kind of experimental provision of simulated seawater pressure energy operating equipment |
| CN111189633A (en) * | 2020-03-05 | 2020-05-22 | 伟攀(上海)机械设备有限公司 | Comprehensive test stand for durability and limit back-drive torque test of rotary gear box |
| CN112065991A (en) * | 2020-08-31 | 2020-12-11 | 安徽江淮汽车集团股份有限公司 | Hydraulic electronic parking test bed |
| CN113567169A (en) * | 2021-09-22 | 2021-10-29 | 潍柴雷沃重工股份有限公司 | Test device for header loading |
| CN115855486A (en) * | 2022-11-30 | 2023-03-28 | 中国船舶集团有限公司第七0三研究所 | Gear of vane type hydraulic loading structure |
-
2017
- 2017-11-10 CN CN201721491641.7U patent/CN207881928U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110246407A (en) * | 2019-05-10 | 2019-09-17 | 华中科技大学 | A kind of experimental provision of simulated seawater pressure energy operating equipment |
| CN110246407B (en) * | 2019-05-10 | 2021-08-20 | 华中科技大学 | Experimental device for simulating seawater pressure energy operation equipment |
| CN111189633A (en) * | 2020-03-05 | 2020-05-22 | 伟攀(上海)机械设备有限公司 | Comprehensive test stand for durability and limit back-drive torque test of rotary gear box |
| CN111189633B (en) * | 2020-03-05 | 2021-11-26 | 伟攀(上海)机械设备有限公司 | Comprehensive test stand for durability and limit back-drive torque test of rotary gear box |
| CN112065991A (en) * | 2020-08-31 | 2020-12-11 | 安徽江淮汽车集团股份有限公司 | Hydraulic electronic parking test bed |
| CN113567169A (en) * | 2021-09-22 | 2021-10-29 | 潍柴雷沃重工股份有限公司 | Test device for header loading |
| CN113567169B (en) * | 2021-09-22 | 2021-12-17 | 潍柴雷沃重工股份有限公司 | Test device for header loading |
| CN115855486A (en) * | 2022-11-30 | 2023-03-28 | 中国船舶集团有限公司第七0三研究所 | Gear of vane type hydraulic loading structure |
| CN115855486B (en) * | 2022-11-30 | 2023-09-08 | 中国船舶集团有限公司第七0三研究所 | Gear of vane type hydraulic loading structure |
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