CN103048139B - Inertia load loading device is used in a kind of hydraulic motor test - Google Patents
Inertia load loading device is used in a kind of hydraulic motor test Download PDFInfo
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- CN103048139B CN103048139B CN201210555822.7A CN201210555822A CN103048139B CN 103048139 B CN103048139 B CN 103048139B CN 201210555822 A CN201210555822 A CN 201210555822A CN 103048139 B CN103048139 B CN 103048139B
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- driving arm
- hydraulic motor
- loading
- disc
- right driving
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Abstract
The present invention relates to a kind of hydraulic motor test inertia load loading device.The invention belongs to technical field of hydraulic test.Inertia load loading device is used in a kind of hydraulic motor test, is characterized in：Inertia load loading device includes test hydraulic motor, transition disc, left driving arm, right driving arm, base, loading disc, loading hydraulic motor and connection half and covered；Hydraulic motor is tested to be arranged on left driving arm by transition disc, hydraulic motor is loaded to be arranged on right driving arm by transition disc, left driving arm and right driving arm are arranged on base, loading disc is fixed on the jackshaft of left driving arm and right driving arm, and two jackshafts of left and right driving arm cover fixation by connection half and are integral.The present invention have it is compact-sized, it is easy to assembly, it is versatile, the load value needed can be obtained by changing different loading discs, the advantages that meeting various hydraulic motor inertia loading demands.
Description
Technical field
The invention belongs to technical field of hydraulic test, is loaded and filled with inertia load more particularly to a kind of hydraulic motor test
Put.
Background technology
At present, inertia load generally existing in hydraulic control system, former people shadow to caused by it gives hydraulic system
It is limited to ring understanding, does not cause enough attention, inertia is born so that not referred in current Hydraulic Elements testing standard
The testing standard of load.
Existing inertia load loading device can not understand the extent of injury of the inertia load to Hydraulic Elements, it is impossible to realize
The influence of inertia load is overcome in design of Hydraulic System, it is difficult to there is the loading of hydraulic motor test inertia load, it is impossible to accurate
Test the technical problems such as its influence to hydraulic motor Performance And Reliability.
The content of the invention
The present invention provides a kind of hydraulic motor test inertia load to solve technical problem present in known technology
Loading device.
Have it is an object of the invention to provide one kind it is compact-sized, it is easy to assembly, it is versatile, can by change it is different plus
Load plate obtains the load value needed, meets that the hydraulic motor test for the features such as various hydraulic motor inertia load demand is born with inertia
Carry loading device.
Hydraulic motor test inertia load loading device of the present invention is adopted the technical scheme that：
Inertia load loading device is used in a kind of hydraulic motor test, is characterized in：Inertia load loading device includes test
Hydraulic motor, transition disc, left driving arm, right driving arm, base, loading disc, loading hydraulic motor and connection half cover；Test
Hydraulic motor is arranged on left driving arm by transition disc, and loading hydraulic motor is arranged on right driving arm by transition disc
On, left driving arm and right driving arm are arranged on base, and loading disc is fixed on the biography of left driving arm and right driving arm
On dynamic semiaxis, two jackshafts of left and right driving arm cover fixation by connection half and are integral.
Hydraulic motor test inertia load loading device of the present invention can also adopt the following technical scheme that：
Inertia load loading device is used in described hydraulic motor test, is characterized in：Left driving arm and right driving arm
It is made up of support, angular contact ball bearing, end cap, rotary oil seal, jackshaft, the output shaft for testing hydraulic motor passes through adapter sleeve
It is connected with jackshaft.
Inertia load loading device is used in described hydraulic motor test, is characterized in：Loading disc passes through flat key, I.S.S
Positioning sleeve, locking nut and screw rod are fixed on the jackshaft of left and right driving arm.
Inertia load loading device is used in described hydraulic motor test, is characterized in：Loading disc is circular discs, wherein intracardiac
Hole machined has keyway, has four uniform fixed circular holes in rounded face, has installation suspension ring screwed hole on circumference.
Inertia load loading device is used in described hydraulic motor test, is characterized in：The biography of loading disc and left driving arm
Dynamic semiaxis is fixed by two flat keys, has screw rod to be fixed on by nut on the jackshaft of driving arm, on loading disc circumference
Four mounting holes pass through screw rod.
Inertia load loading device is used in described hydraulic motor test, is characterized in：Screw rod installs internal thread in bearing
Formula positioning sleeve, so that screw rod and loading disc are reliably fixed, several loading discs are superimposed upon on screw rod, and locked position is fixed in end with nut
Put.
The present invention has the advantages and positive effects of：
Hydraulic motor test with inertia load loading device as a result of the brand-new technical scheme of the present invention, with existing skill
Art is compared, and the present invention can be better understood by the extent of injury of the inertia load to Hydraulic Elements, pass through the actual mould of loading device
Intending load test makes designer find the method for overcoming inertia load in design of Hydraulic System, makes product design more perfect,
Hydraulic motor element is used by the test of inertia load loading device, improve the combination property and reliability of hydraulic motor.
The present invention has compact-sized, easy to assembly, versatile, the load that can be needed by changing different loading discs acquisitions
Charge values, meet the advantages that various hydraulic motor inertia load demand.
Brief description of the drawings
Fig. 1 is the structural representation of hydraulic motor test inertia load loading device；
Fig. 2 is Fig. 1 overlooking the structure diagram；
Fig. 3 is the structural representation of the left driving arm in Fig. 1；
Fig. 4 is the structural representation of the right driving arm in Fig. 1；
Fig. 5 is the structural representation of the loading disc in Fig. 1；
Fig. 6 is Fig. 5 left view structural representation；
Fig. 7 is the structural representation of the set of connection half in Fig. 1；
Fig. 8 is Fig. 7 overlooking the structure diagram.
In figure, 1. test hydraulic motors, 2. transition discs, 3. adapter sleeves, 4. left driving arms, 5. loading discs, 6. flat keys, 7.
I.S.S positioning sleeve, 8. screw rods, 9. connections half cover, 10. right driving arms, 11. loading hydraulic motors, 12. bases, 13. locks
Tight nut, 14. supports, 15. angular contact ball bearings, 16. rotary oil seals, 17. end caps, 18. Left Drive semiaxis, 19. right transmissions half
Axle.
Embodiment
In order to further understand the content, features and effects of the present invention, hereby enumerating following examples, and coordinate accompanying drawing
Describe in detail as follows：
Refering to accompanying drawing 1 to Fig. 8.
Embodiment 1
Inertia load loading device is used in a kind of hydraulic motor test, mainly by test hydraulic motor 1, transition disc 2, adapter sleeve
3rd, left driving arm 4, right driving arm 10, base 12, loading disc 5, flat key 6, screw rod 8, I.S.S positioning sleeve 7, locking screw
Mother 13 and the set 9 grades composition of connection half.Left driving arm 4 and right driving arm 10 are arranged on base 12, and loading disc 5 passes through flat key
6th, I.S.S positioning sleeve 7, locking nut 13 and screw rod 8 are fixed together with left driving arm 4 and right driving arm 10, screw rod
8 both ends connect the Left Drive semiaxis 18 of left driving arm 4 and the right jackshaft 19 of right driving arm 10, left driving branch respectively
The Left Drive semiaxis 18 of frame 4 is fixed by the right jackshaft 19 of the set 9 of connection half and right driving arm 10 and is integral.Test fluid
Pressure motor 1 is arranged on left driving arm 4 by transition disc 2, and the output shaft of test hydraulic motor 1 passes through adapter sleeve 3 and left biography
The connection of dynamic semiaxis 18, loading hydraulic motor 11 are arranged on right driving arm 10 by transition disc 2, loading hydraulic motor 11
The connection that output shaft passes through adapter sleeve 3 and right jackshaft 19.
Left driving arm 4 is by support 14, angular contact ball bearing 15, end cap 17, rotary oil seal 16, Left Drive semiaxis 18 etc.
Composition.Right driving arm 10 is by groups such as support 14, angular contact ball bearing 15, end cap 17, rotary oil seal 16, right jackshafts 19
Into.
The jackshaft 18 of the loading disc 5 and left driving arm 4 of hydraulic motor test inertia load loading device passes through
Two flat keys 6 are fixed, and four screw rods 8 are fixed on the Left Drive semiaxis 18 of left and right driving arm and right transmission by locking nut 13
On semiaxis 19, four mounting holes pass through screw rod 8 on the circumference of loading disc 5, I.S.S positioning sleeve 7 are installed in bearing, so as to spiral shell
Bar 8 is reliably fixed with loading disc 5, and several loading discs 5 are superimposed upon on screw rod 8, and locking position is fixed in end with locking nut 13.
The concrete structure and its action process of the present embodiment：
From shown in Fig. 1, Fig. 2, Fig. 5, Fig. 6, Fig. 7, Fig. 8, inertia load loading device is used in hydraulic motor test, mainly by surveying
Test solution pressure motor 1, transition disc 2, adapter sleeve 3, left driving arm 4, right driving arm 10, base 12, loading disc 5, flat key 6, spiral shell
Bar 8, I.S.S positioning sleeve 7, locking nut 13 and the composition of half set of connection 9 etc..Left driving arm 4 and right driving arm 10 are installed
On base 12, loading disc 5 by flat key 6, I.S.S positioning sleeve 7, locking nut 13 and screw rod 8 and left driving arm 4 and
Right driving arm 10 is fixed together, and the both ends of screw rod 8 connect the Left Drive semiaxis 18 of left driving arm 4 and right driving branch respectively
The right jackshaft 19 of frame 10, the Left Drive semiaxis 18 of left driving arm 4 pass through the right biography of the set 9 of connection half and right driving arm 10
Dynamic semiaxis 19, which is fixed, to be integral.Test hydraulic motor 1 to be arranged on left driving arm 4 by transition disc 2, test hydraulic motor
1 output shaft is connected by adapter sleeve 3 with Left Drive semiaxis 18；Loading hydraulic motor 11 is arranged on right driving by transition disc 2
On support 10, the output shaft of loading hydraulic motor 11 is connected by adapter sleeve 3 with right jackshaft 19.Loading disc 5 and left driving
The jackshaft 18 of support 4 is fixed by two flat keys 6, and four screw rods 8 are fixed on left and right driving arm by locking nut 13
Left Drive semiaxis 18 and right jackshaft 19 on, four mounting holes pass through screw rod 8 on the circumference of loading disc 5, bearing install
I.S.S positioning sleeve 7, so that screw rod 8 and loading disc 5 are reliably fixed, several loading discs 5 are superimposed upon on screw rod 8, end lock
Tight nut 13 fixes locking position.
Inertia load loading device operation principle is used in hydraulic motor test：In the test of hydraulic motor, hydraulic motor 1 is tested
Oil inlet supplies hydraulic oil by reversal valve, and for oil-out then by reversal valve oil return box, loading hydraulic motor 11 is then pump condition
Use, constant load is provided to test hydraulic motor 1, after test hydraulic motor 1 starts to rotate, loading disc 5 can
To provide constant inertia load, when test hydraulic motor 1 commutates or stopping acts, constant inertia load can is led to
Cross Left Drive semiaxis 18 and adapter sleeve 3 is acted on test hydraulic motor 1.Inertia is examined by load test can repeatedly
Load have impact on to test hydraulic motor 1.
The quantity of loading disc 5 adjusts operating process：Under halted state, by the fixing bolt pine of two sets 9 of connection half
Open, the set 9 of connection half is pulled down, be fixed on loading disc 5 four locking nuts 13 unclamped, then by four screw rods 8 to the left
Adjustment, until the right-hand member of screw rod 8 is concordant with the right-hand member of Left Drive semiaxis 18, it at this moment can pass through Left Drive semiaxis 18 and right transmission
Loading disc 5 is pulled down in space between semiaxis 19 or installation exercise, and I.S.S positioning sleeve 7 and corresponding loading disc 5 are same
Shi Jinhang dismounting operations, after adjustment, the set 9 of connection half, screw rod 8, locking nut 13 are returned into original state.So adjust
Different size of inertia load is can obtain after whole, to adapt to the test requirements document of different model test hydraulic motor 1.
From shown in Fig. 1, Fig. 3, Fig. 4, left driving arm 4 is by support 14, angular contact ball bearing 15, end cap 17, rotation oil
The composition such as envelope 16, Left Drive semiaxis 18.Right driving arm 10 is by support 14, angular contact ball bearing 15, end cap 17, rotary oil seal
16th, right jackshaft 19 etc. forms.It can see from the structure of left driving arm 4, Left Drive semiaxis 18 passes through two angular contacts
Ball bearing 15 is installed on the support 14, and a set of rotary oil seal 16, the appearance of such support 14 are respectively installed in the both ends of Left Drive semiaxis 18
Intracavitary can adds thin oil lubricant, and this structure ensures that the jackshaft 18 can run at high speed, and can in axial direction
To bear certain external force.Ensure that the shaft end of test hydraulic motor 1 is not acted on by external force.Left Drive semiaxis 18 with loading disc 5
The junction of installation, it can ensure that, in 5 rotary motion of loading disc, four standing screws 8 are not produced by loading disc 5 provided with flat key
The effect of centrifugal force, ensure the reliable fixation of loading disc 5.The structure of right driving arm 10 and the structure of left driving arm 4 are basic
Identical, simply right jackshaft 19 is not contacted directly with loading disc 5, and it is only contacted with screw rod 8 and the set 9 of connection half.Pass through two
Effective connection of individual jackshaft ensures to hold together whole loading device.The present embodiment has compact-sized, assembling
It is convenient, it is versatile, the load value needed can be obtained by changing different loading discs, meet various hydraulic motor inertia loading need
The good effect such as seek.
Claims (3)
1. inertia load loading device is used in a kind of hydraulic motor test, it is characterized in that：Inertia load loading device includes test fluid
Pressure motor, transition disc, left driving arm, right driving arm, base, loading disc, loading hydraulic motor and connection half cover；Test fluid
Pressure motor is arranged on left driving arm by transition disc, and loading hydraulic motor is arranged on right driving arm by transition disc,
Left driving arm and right driving arm are arranged on base, and loading disc is fixed on the transmission half of left driving arm and right driving arm
On axle, two jackshafts of left and right driving arm cover fixation by connection half and are integral；Left driving arm and right driving branch
Frame is made up of support, angular contact ball bearing, end cap, rotary oil seal, jackshaft, and the output shaft for testing hydraulic motor passes through connection
Set is connected with jackshaft；Loading disc is fixed on left and right driving branch by flat key, I.S.S positioning sleeve, locking nut and screw rod
On the jackshaft of frame；Loading disc is circular discs, wherein intracardiac hole machined has keyway, there is four uniform fixed circles in rounded face
Hole, there is installation suspension ring screwed hole on circumference.
2. inertia load loading device is used in hydraulic motor test according to claim 1, it is characterized in that：Loading disc and left drive
The jackshaft of dynamic support is fixed by two flat keys, is had screw rod to be fixed on by nut on the jackshaft of driving arm, is added
Four mounting holes pass through screw rod on load plate circumference.
3. inertia load loading device is used in hydraulic motor test according to claim 2, it is characterized in that：Screw rod is in bearing
I.S.S positioning sleeve is installed, so that screw rod and loading disc are reliably fixed, several loading discs are superimposed upon on screw rod, end nut
Fixed locking position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210555822.7A CN103048139B (en) | 2012-12-19 | 2012-12-19 | Inertia load loading device is used in a kind of hydraulic motor test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210555822.7A CN103048139B (en) | 2012-12-19 | 2012-12-19 | Inertia load loading device is used in a kind of hydraulic motor test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103048139A CN103048139A (en) | 2013-04-17 |
| CN103048139B true CN103048139B (en) | 2018-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210555822.7A Expired - Fee Related CN103048139B (en) | 2012-12-19 | 2012-12-19 | Inertia load loading device is used in a kind of hydraulic motor test |
Country Status (1)
| Country | Link |
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| CN (1) | CN103048139B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527563B (en) * | 2013-09-30 | 2015-11-18 | 天津工程机械研究院 | A kind of testing apparatus of oil hydraulic motor starting performance and test method |
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| DE3501342A1 (en) * | 1985-01-17 | 1986-07-17 | Daimler-Benz Ag, 7000 Stuttgart | Hydrostatic test bed for vehicle gear boxes |
| CN2225705Y (en) * | 1995-01-28 | 1996-04-24 | 刘庆和 | Electric liquid load simulator |
| CN1452065A (en) * | 2002-04-12 | 2003-10-29 | 北京航空航天大学 | Speed synchronously controlled electrohydraulic load simulator |
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| CN101532516A (en) * | 2009-04-10 | 2009-09-16 | 长春理工大学 | Device for simulating servo system load by electrohydraulic servo |
| CN101532517A (en) * | 2009-04-10 | 2009-09-16 | 长春理工大学 | Method for simulating servo system load by electrohydraulic servo |
| CN201508284U (en) * | 2009-09-25 | 2010-06-16 | 徐工集团工程机械有限公司 | Rotating motor loading tool |
| CN101871478A (en) * | 2010-07-07 | 2010-10-27 | 金碧华 | Loading device of hydraulic motor test board |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000221116A (en) * | 1999-02-01 | 2000-08-11 | Nippon Steel Corp | Method and equipment for testing performance of hydraulic motor |
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2012
- 2012-12-19 CN CN201210555822.7A patent/CN103048139B/en not_active Expired - Fee Related
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|---|---|---|---|---|
| DE3501342A1 (en) * | 1985-01-17 | 1986-07-17 | Daimler-Benz Ag, 7000 Stuttgart | Hydrostatic test bed for vehicle gear boxes |
| CN2225705Y (en) * | 1995-01-28 | 1996-04-24 | 刘庆和 | Electric liquid load simulator |
| CN1452065A (en) * | 2002-04-12 | 2003-10-29 | 北京航空航天大学 | Speed synchronously controlled electrohydraulic load simulator |
| CN201152322Y (en) * | 2007-12-27 | 2008-11-19 | 奇瑞汽车股份有限公司 | Drive axle for engine rig test |
| CN101532516A (en) * | 2009-04-10 | 2009-09-16 | 长春理工大学 | Device for simulating servo system load by electrohydraulic servo |
| CN101532517A (en) * | 2009-04-10 | 2009-09-16 | 长春理工大学 | Method for simulating servo system load by electrohydraulic servo |
| CN201508284U (en) * | 2009-09-25 | 2010-06-16 | 徐工集团工程机械有限公司 | Rotating motor loading tool |
| CN101871478A (en) * | 2010-07-07 | 2010-10-27 | 金碧华 | Loading device of hydraulic motor test board |
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|---|
| 变量泵(马达)功率回收实验系统研究;赵俊 等;《机械管理开发》;20070430(第95期);第11-12页 * |
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| CN103048139A (en) | 2013-04-17 |
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Granted publication date: 20180116 Termination date: 20211219 |