CN101922447A - Multi-head hydraulic pump testing device - Google Patents
Multi-head hydraulic pump testing device Download PDFInfo
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- CN101922447A CN101922447A CN201010298463.2A CN201010298463A CN101922447A CN 101922447 A CN101922447 A CN 101922447A CN 201010298463 A CN201010298463 A CN 201010298463A CN 101922447 A CN101922447 A CN 101922447A
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- auxiliary output
- hydraulic pump
- output shaft
- testing device
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Abstract
The invention relates to a multi-head hydraulic pump testing device which comprises a motor and a transfer case, wherein the transfer case comprises a shell, and a main input shaft and a main output shaft which are coaxially arranged are arranged on the shell; the main input shaft is connected with the motor through a coupling; a main on-off device is arranged between the main input shaft and the main output shaft; a main input gear is arranged on the main input shaft; the shell is internally provided with a plurality of auxiliary output gears engaged with the main input gear; the auxiliary output gears are arranged on auxiliary output shafts; and both ends of the auxiliary output shafts are connected with auxiliary output mechanisms through auxiliary on-off devices. In the invention, the transfer case is applied to a testing system of hydraulic pumps, which realizes the function of driving multiple hydraulic pumps by using one motor for simultaneously testing and can save the endurance test time, so that the labor force cost is reduced, and the development time is gained.
Description
Technical field
The present invention relates to the performance testing device of oil hydraulic pump, the specifically a kind of multi-head hydraulic pump testing device that can test many oil hydraulic pumps simultaneously.
Background technique
The performance test stand of oil hydraulic pump is mainly used in the trial-production typing checking of new product or the improvement checking of old product.The hydraulic pump test stand that present domestic oil hydraulic pump manufacturing enterprise uses all is directly to provide power by motor driving, directly be connected on the motor output shaft by the test oil hydraulic pump, load by hydraulic system, by CAT system control, therefore once start can only be tested an oil hydraulic pump.And the endurance test fitness for purpose of oil hydraulic pump is tested 3-5 platform pump simultaneously, and the test period of every pump is all longer, so the cycle that the endurance test of each product just need be very long, is restricting product development and improved progress.
Summary of the invention
The present invention is directed to the problems referred to above, a kind of multi-head hydraulic pump testing device is provided, this device can be tested many oil hydraulic pumps simultaneously, saves the test time.
According to technological scheme of the present invention: a kind of multi-head hydraulic pump testing device, comprise motor, also comprise transfer case, described transfer case comprises housing, described housing is provided with coaxial mounted primary input axle and main output shaft, described primary input axle is connected by coupling with described motor, be provided with main clutch between described primary input axle and the described main output shaft, on the described primary input axle primary input gear is installed, be provided with the auxiliary output gear that a plurality of and described primary input gear is meshed in the described housing, described auxiliary output gear is installed on the auxiliary output shaft, and the two ends of described auxiliary output shaft are connected with auxiliary output mechanism by auxiliary engaging and disengaging gear.
Described main clutch comprises the primary input axle external splines that is arranged on described primary input axle the inner, the main output shaft external splines that is arranged on described main output shaft the inner, and being sleeved on described primary input axle external splines and the outer spline sleeve of described main output shaft external splines, described spline sleeve links to each other with first driving mechanism.
Described first driving mechanism comprises two first cylinder block that are arranged on the described housing, described first cylinder block is provided with first suction port, be sliding combined with piston rod in one of them first cylinder block, be fixedly connected with first piston on the other end of described piston rod, described first piston is slidingly fitted in another first cylinder block, on the described piston rod shift fork is installed, described shift fork is connected with described spline sleeve.
Between described first cylinder block and the described piston rod, and be provided with first seal ring between described first cylinder block and the described first piston.
Described auxiliary output mechanism is auxiliary output female splined shaft.
Described auxiliary engaging and disengaging gear comprises the auxiliary output shaft external splines that is arranged on the described auxiliary output shaft, and the internal spline that is arranged on described auxiliary output female splined shaft the inner, described internal spline matches with described auxiliary output shaft external splines, and described auxiliary output female splined shaft links to each other with second driving mechanism.
Described second driving mechanism comprises second cylinder block that is arranged on the described housing, have second suction port that communicates with described second cylinder block on the described housing, be sliding combined with second piston in described second cylinder block, described second piston is connected with auxiliary output female splined shaft.
Be provided with second seal ring between described second piston and the described housing.
Be provided with adpting flange with the corresponding position of described auxiliary output mechanism on the described housing.
Cover plate has been threaded on the described adpting flange.
Technique effect of the present invention is: the present invention is applied to transfer case in the test system of oil hydraulic pump, realized the function that many oil hydraulic pumps of a motor driving are tested simultaneously, can save the endurance test time, lower labor cost, win the time of product development.
Description of drawings
Fig. 1 is a working principle structural representation of the present invention.
Fig. 2 is the structural representation of the transfer case among the present invention.
Fig. 3 is the A-A sectional view among Fig. 2.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is further described.
As shown in Figure 1, the present invention is a kind of multi-head hydraulic pump testing device, comprises motor 1, also comprises transfer case 3, and transfer case 3 is connected by coupling 2 with motor 1, and the main shaft of motor 1 is input to power by coupling 2 the primary input axle 17 of transfer case 3.Coupling 2 preferably adopts the cardan shaft coupling, with the coaxiality error between the primary input axle 17 of the main shaft of small electromotor 1 and transfer case 3.
As Fig. 2, shown in Figure 3, transfer case 3 comprises housing 4, and housing 4 is provided with coaxial mounted primary input axle 17 and main output shaft 6, and primary input axle 17 and main output shaft 6 all are installed on the housing 4 by bearing 23.Disconnect between primary input axle 17 and the main output shaft 6, between them, be provided with main clutch.
Main clutch comprises the primary input axle external splines 7 that is arranged on primary input axle 17 the inners, is arranged on the main output shaft external splines 5 on main output shaft 6 the inners, and being sleeved on primary input axle external splines 7 and main output shaft external splines 5 spline sleeve 8 outward, spline sleeve 8 links to each other with first driving mechanism.
First driving mechanism comprises that two first cylinder block, 18, the first cylinder block 18 that are arranged on the housing 4 are provided with first suction port 22.Be sliding combined with piston rod 19 in one of them first cylinder block 18, be fixedly connected with first piston 21 on the other end of piston rod 19, first piston 21 is slidingly fitted in another first cylinder block 18, and shift fork 30 is installed on the piston rod 19, and shift fork 30 is connected with spline sleeve 8.
Between first cylinder block 18 and the piston rod 19, and be provided with first seal ring 20 between first cylinder block 18 and the first piston 21, seal.
Auxiliary output mechanism can adopt axle output or flange output, is auxiliary output female splined shaft 25 in the present embodiment.
Auxiliary engaging and disengaging gear comprises the auxiliary output shaft external splines 10 that is arranged on the auxiliary output shaft 13, and the internal spline 9 that is arranged on auxiliary output female splined shaft 25 the inners.Internal spline 9 matches with auxiliary output shaft external splines 10, can slide on auxiliary output shaft external splines 10.Auxiliary output female splined shaft 25 links to each other with second driving mechanism.
Second driving mechanism comprises second cylinder block 24 that is arranged on the housing 4, have second suction port 28 that communicates with second cylinder block 24 on the housing 4, being sliding combined with second piston, 11, the second pistons 11 in second cylinder block 24 is connected with auxiliary output female splined shaft 25.
Be provided with second seal ring 27 between second piston 11 and the housing 4, seal.
Be provided with adpting flange 14 with the corresponding position of auxiliary output mechanism on the housing 4, tested oil hydraulic pump 16 can be connected on this flange 14.
When the present invention did not use, the cover plate 29 that has been threaded on adpting flange 14 played dustproof effect.
Working principle of the present invention and working procedure are as follows:
As shown in Figure 1, the power of motor 1 is input to the primary input axle 17 of transfer case 3 by coupling 2, and primary input axle 17 is given auxiliary output shaft 13 by the engagement of primary input gear 15 and auxiliary output gear 12 with power transmission; After second suction port 28 is connected source of the gas, promote 11 motions of second piston, on inside and outside spline engagement, thereby transmit power on the auxiliary output female splined shaft 25.During test tested oil hydraulic pump 16 is connected to each output port of transfer case 3.Under the condition that power allows, four output ports can use simultaneously, also can select corresponding ports (unwanted port cuts off source of the gas) as required.
In addition, after first suction port 22 above among Fig. 3 connected source of the gas, piston rod 19 promotes shift fork 30, and shift fork 30 drives spline sleeve 8 with engagement external splines 7 on the primary input axle 17 and 5 engagements of the engagement external splines on the main output shaft 6, thereby gives main output shaft 6 with power transmission.When not needing output shaft output, first suction port 22 below among Fig. 3 is connected source of the gas, spline sleeve 8 disconnects main output shaft 6 and primary input axle 17 to save the energy.
The present invention is applied to transfer case in the test system of oil hydraulic pump, has realized the function that many oil hydraulic pumps of a motor driving are tested simultaneously.Can save the 3-4 endurance test time doubly, and be equivalent to a people and operate 4-5 platform equipment simultaneously, lower labor cost, win the time of product development.
Adopt the transfer case connection set, can carry out the performance test (as overload test, shock test etc.) of many dissimilar oil hydraulic pumps simultaneously and do not disturb mutually; Can utilize simultaneously a cover hydraulic loading system to be embodied as the function that many pumps load simultaneously.
Claims (10)
1. multi-head hydraulic pump testing device, comprise motor (1), it is characterized in that: also comprise transfer case (3), described transfer case (3) comprises housing (4), described housing (4) is provided with coaxial mounted primary input axle (17) and main output shaft (6), described primary input axle (17) is connected by coupling (2) with described motor (1), be provided with main clutch between described primary input axle (17) and the described main output shaft (6), primary input gear (15) is installed on the described primary input axle (17), be provided with the auxiliary output gear (12) that a plurality of and described primary input gear (15) is meshed in the described housing (4), described auxiliary output gear (12) is installed on the auxiliary output shaft (13), and the two ends of described auxiliary output shaft (13) are connected with auxiliary output mechanism by auxiliary engaging and disengaging gear.
2. according to the described multi-head hydraulic pump testing device of claim 1, it is characterized in that: described main clutch comprises the main output shaft external splines (5) that is arranged on the inner primary input axle external splines (7) of described primary input axle (17), is arranged on described main output shaft (6) the inner, and being sleeved on described primary input axle external splines (7) and the outer spline sleeve (8) of described main output shaft external splines (5), described spline sleeve (8) links to each other with first driving mechanism.
3. according to the described multi-head hydraulic pump testing device of claim 2, it is characterized in that: described first driving mechanism comprises two first cylinder block (18) that are arranged on the described housing (4), described first cylinder block (18) is provided with first suction port (22), be sliding combined with piston rod (19) in one of them first cylinder block (18), be fixedly connected with first piston (21) on the other end of described piston rod (19), described first piston (21) is slidingly fitted in another first cylinder block (18), shift fork (30) is installed on the described piston rod (19), and described shift fork (30) is connected with described spline sleeve (8).
4. according to the described multi-head hydraulic pump testing device of claim 3, it is characterized in that: between described first cylinder block (18) and the described piston rod (19), and be provided with first seal ring (20) between described first cylinder block (18) and the described first piston (21).
5. according to the described multi-head hydraulic pump testing device of claim 1, it is characterized in that: described auxiliary output mechanism is auxiliary output female splined shaft (25).
6. according to the described multi-head hydraulic pump testing device of claim 5, it is characterized in that: described auxiliary engaging and disengaging gear comprises the auxiliary output shaft external splines (10) that is arranged on the described auxiliary output shaft (13), and the internal spline (9) that is arranged on described auxiliary output female splined shaft (25) the inner, described internal spline (9) matches with described auxiliary output shaft external splines (10), and described auxiliary output female splined shaft (25) links to each other with second driving mechanism.
7. according to the described multi-head hydraulic pump testing device of claim 6, it is characterized in that: described second driving mechanism comprises second cylinder block (24) that is arranged on the described housing (4), have second suction port (28) that communicates with described second cylinder block (24) on the described housing (4), be sliding combined with second piston (11) in described second cylinder block (24), described second piston (11) is connected with auxiliary output female splined shaft (25).
8. according to the described multi-head hydraulic pump testing device of claim 7, it is characterized in that: be provided with second seal ring (27) between described second piston (11) and the described housing (4).
9. according to the described multi-head hydraulic pump testing device of claim 1, it is characterized in that: described housing (4) is gone up with the corresponding position of described auxiliary output mechanism and is provided with adpting flange (14).
10. according to the described multi-head hydraulic pump testing device of claim 9, it is characterized in that: cover plate (29) has been threaded on the described adpting flange (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102984632A CN101922447B (en) | 2010-09-30 | 2010-09-30 | Multi-head hydraulic pump testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102984632A CN101922447B (en) | 2010-09-30 | 2010-09-30 | Multi-head hydraulic pump testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101922447A true CN101922447A (en) | 2010-12-22 |
| CN101922447B CN101922447B (en) | 2012-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102984632A Expired - Fee Related CN101922447B (en) | 2010-09-30 | 2010-09-30 | Multi-head hydraulic pump testing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN101922447B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102854058A (en) * | 2012-10-11 | 2013-01-02 | 中山大学 | Triaxial multiplex and synchronous axial loading system for rock |
| CN105156602A (en) * | 2015-08-28 | 2015-12-16 | 云梦县取力器厂 | Multi-functional postpositional transfer case with three output shafts |
| CN105156601A (en) * | 2015-08-28 | 2015-12-16 | 云梦县取力器厂 | Multifunctional five-head multi-output rear transfer case |
| CN105179647A (en) * | 2015-08-28 | 2015-12-23 | 云梦县取力器厂 | Multi-functional coaxial multi-head output rear transfer case |
| CN111503078A (en) * | 2020-04-15 | 2020-08-07 | 清华大学 | Shunt parallel large-flow hydraulic pump set oil supply system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86106445A (en) * | 1985-12-09 | 1987-06-17 | 美国汽车公司 | Transfer case |
| US20040213677A1 (en) * | 2003-04-24 | 2004-10-28 | Matzner Mark D. | Monitoring system for reciprocating pumps |
| CN201568281U (en) * | 2009-11-26 | 2010-09-01 | 湖南机油泵股份有限公司 | Device for testing flexibility of oil pump |
| CN201786630U (en) * | 2010-09-30 | 2011-04-06 | 无锡英特帕普威孚液压有限责任公司 | Multichannel hydraulic pump testing device |
-
2010
- 2010-09-30 CN CN2010102984632A patent/CN101922447B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86106445A (en) * | 1985-12-09 | 1987-06-17 | 美国汽车公司 | Transfer case |
| US20040213677A1 (en) * | 2003-04-24 | 2004-10-28 | Matzner Mark D. | Monitoring system for reciprocating pumps |
| CN201568281U (en) * | 2009-11-26 | 2010-09-01 | 湖南机油泵股份有限公司 | Device for testing flexibility of oil pump |
| CN201786630U (en) * | 2010-09-30 | 2011-04-06 | 无锡英特帕普威孚液压有限责任公司 | Multichannel hydraulic pump testing device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102854058A (en) * | 2012-10-11 | 2013-01-02 | 中山大学 | Triaxial multiplex and synchronous axial loading system for rock |
| CN102854058B (en) * | 2012-10-11 | 2015-11-25 | 中山大学 | The polynary synchronous axial loading system of a kind of rock three axle |
| CN105156602A (en) * | 2015-08-28 | 2015-12-16 | 云梦县取力器厂 | Multi-functional postpositional transfer case with three output shafts |
| CN105156601A (en) * | 2015-08-28 | 2015-12-16 | 云梦县取力器厂 | Multifunctional five-head multi-output rear transfer case |
| CN105179647A (en) * | 2015-08-28 | 2015-12-23 | 云梦县取力器厂 | Multi-functional coaxial multi-head output rear transfer case |
| CN111503078A (en) * | 2020-04-15 | 2020-08-07 | 清华大学 | Shunt parallel large-flow hydraulic pump set oil supply system |
| CN111503078B (en) * | 2020-04-15 | 2021-06-11 | 清华大学 | Shunt parallel large-flow hydraulic pump set oil supply system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101922447B (en) | 2012-02-22 |
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Granted publication date: 20120222 Termination date: 20210930 |