CN109114051A - Varying load tooling - Google Patents
Varying load tooling Download PDFInfo
- Publication number
- CN109114051A CN109114051A CN201810986441.1A CN201810986441A CN109114051A CN 109114051 A CN109114051 A CN 109114051A CN 201810986441 A CN201810986441 A CN 201810986441A CN 109114051 A CN109114051 A CN 109114051A
- Authority
- CN
- China
- Prior art keywords
- pressure
- axis
- block
- pressure chamber
- oil outlet
- 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.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/615—Filtering means
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a kind of varying load toolings, belong to test device field.The varying load tooling includes pressure block, pressure axis and hydraulic loading system, a cylindrical pressure chamber is provided in pressure block, axis hole, fuel feed hole, oil outlet are additionally provided on pressure block, axis hole is located at one end of pressure chamber, pressure axis is inserted into axis hole, the first end of pressure axis is equipped with shaft coupling, the second end of pressure axis is provided with outward flange, fuel feed hole and axis hole are located at the opposite two sides of outward flange, fuel feed hole and oil outlet are located at the ipsilateral of outward flange, after pressurizeing to pressure chamber, outward flange can be pressed on the inner wall of pressure chamber.When being merged, it can be by shaft coupling by pressure axis and to the output axis connection of running-in device, frictional force between outward flange and the inner wall of pressure chamber is equivalent to the load acted on the output shaft to running-in device, keep operating condition when adjustment identical as operating condition in actual use, to improve running-in effect, running-in time is shortened.
Description
Technical field
The present invention relates to test device field, in particular to a kind of varying load tooling.
Background technique
In the industrial production, there are many equipment after completing, before formal use, merged, make to set
It is standby more steady in formal use.
By taking gear-box as an example, after completing, it will usually it is rotated using the input shaft of the powered belt movable tooth roller box such as motor,
Make the gear operation in gear-box, is merged.
Since gear-box is in actual work, other than the dynamic input of input shaft, load is also had on output shaft, and
When adjustment, output shaft is in light condition, and operating condition when this merges gear-box and the operating condition of gear-box in actual use are not
Together, cause running-in effect bad, and running-in time is long.
Summary of the invention
The embodiment of the invention provides a kind of varying load toolings, are able to ascend running-in effect, shorten running-in time.The skill
Art scheme is as follows:
It is described the embodiment of the invention provides a kind of varying load tooling, including pressure block, pressure axis and hydraulic loading system
It is provided with a cylindrical pressure chamber in pressure block, axis hole, fuel feed hole, oil outlet, the axis hole, institute are additionally provided on the pressure block
The outer surface that fuel feed hole is connected to the pressure chamber and the pressure block with the oil outlet is stated, the axis hole is located at the pressure
One end of chamber, and the axis of the axis hole is parallel with the axis of the pressure chamber, the cross section of the axis hole is less than the pressure
The cross section of chamber, the pressure axis are inserted into the axis hole, and the first end of the pressure axis is exposed to outside the pressure block,
The first end of the pressure axis is equipped with shaft coupling, and the second end of the pressure axis is located in the pressure chamber, the pressure axis
Second end is provided with the outward flange to extend radially outwardly along the pressure axis, the periphery wall of the outward flange and the pressure chamber
Inner wall be slidingly sealed, the fuel feed hole and the axis hole are located at the opposite two sides of the outward flange, the fuel feed hole
It is located at the ipsilateral of the outward flange, the hydraulic loading system and the fuel feed hole with the oil outlet and the oil outlet connects
Logical, the hydraulic loading system is configured as controllablely pressurizeing to the pressure chamber, and keeps the pressure of the pressure chamber constant.
Optionally, the pressure block includes the block-shaped body and block being detachably connected, and the block is located at the pressure
One end of chamber, the pressure chamber the orthographic projection on the block be located at the block close to the pressure chamber end face in,
The axis hole is located on the block.
Optionally, sealing ring is provided between the block-shaped body and the block.
Optionally, the block is threadedly coupled with the block-shaped body.
Optionally, the hydraulic loading system includes fuel tank, load pump, check valve, pressure gauge and shut-off valve, the load
The oil inlet of pump is connected to the fuel tank, and the oil outlet of the load pump is connected to the oil inlet of the check valve, described unidirectional
The oil outlet of valve is connected to the fuel feed hole, and the oil outlet of the check valve is also connected with pressure gauge, the oil outlet with it is described
The oil inlet of shut-off valve is connected to, and the oil outlet of the shut-off valve is connected to the fuel tank.
Optionally, the hydraulic loading system further includes overflow valve, the oil inlet and guide's hydraulic fluid port of the overflow valve with
The oil outlet of the load pump is connected to, and the oil outlet of the overflow valve is connected to the fuel tank.
Optionally, the hydraulic loading system further includes filter, and the filter is connected to the fuel-displaced of the load pump
Between mouth and the oil inlet of the check valve.
Optionally, liquidometer is equipped in the fuel tank.
Optionally, the fuel tank is equipped with air filter.
Optionally, the fuel tank is equipped with draining valve.
Technical solution provided in an embodiment of the present invention has the benefit that by the way that pressure chamber is arranged in pressure block,
And oil inlet and oil outlet are set on pressure block, so as to be pressurizeed by hydraulic loading system to pressure chamber.By holding
Axis hole is set on briquetting, by pressure axis inserting into axis hole, due to being provided with outward flange on pressure axis, outward flange and pressure chamber
Inner wall is slidingly sealed, and the cross section of axis hole is less than the cross section of pressure chamber, and fuel feed hole and axis hole are located at the opposite of outward flange
Two sides, fuel feed hole and oil outlet are located at the ipsilateral of outward flange, therefore after pressurizeing to pressure chamber, outward flange can be pressed on pressure
Pressure on the inner wall of power chamber, and in pressure chamber is bigger, and it is bigger that outward flange is applied to the pressing force on the inner wall of pressure chamber.Outside
Frictional force can be generated between flange and the inner wall of pressure chamber, and is applied to the compression on the inner wall of pressure chamber by changing outward flange
The size of the adjustable frictional force of the size of power.When being merged, can by the shaft coupling on pressure axis by pressure axis with
To the output axis connection of running-in device, the frictional force between outward flange and the inner wall of pressure chamber, which is equivalent to, to be acted on to running-in device
Output shaft on load, the size by changing frictional force can change the size of load, make operating condition and reality when adjustment
Operating condition when border uses is identical, to improve running-in effect, shortens running-in time.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of structure chart of varying load tooling provided in an embodiment of the present invention；
Fig. 2 is a kind of schematic diagram of hydraulic loading system provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Fig. 1 is a kind of structure chart of varying load tooling provided in an embodiment of the present invention, as shown in Figure 1, the varying load tooling
Including pressure block 10, pressure axis 20 and hydraulic loading system 30.
A cylindrical pressure chamber 11a is provided in pressure block 10.Be additionally provided on pressure block 10 axis hole 12a, fuel feed hole 11b,
Oil outlet 11c.Axis hole 12a, fuel feed hole 11b are connected to the outer surface of pressure chamber 11a and pressure block 10 with oil outlet 11c.
Wherein, axis hole 12a is located at one end of pressure chamber 11a, and the axis of axis hole 12a is parallel with the axis of pressure chamber 11a.
The cross section of axis hole 12a is less than the cross section of pressure chamber 11a.
Pressure axis 20 is inserted into axis hole 12a, and the first end of pressure axis 20 is exposed to outside pressure block 10.Pressure axis 20
First end is equipped with shaft coupling 22.The second end of pressure axis 20 is located in pressure chamber 11a.The second end of pressure axis 20 is provided with along pressure
The outward flange 21 of power axis 20 to extend radially outwardly, the inner wall of the periphery wall and pressure chamber 11a of outward flange 21 are slidingly sealed.
Fuel feed hole 11b and axis hole 12a is located at the opposite two sides of outward flange 21, fuel feed hole 11b and oil outlet 11c
In the ipsilateral of outward flange 21.Hydraulic loading system 30 is connected to fuel feed hole 11b and oil outlet 11c.Hydraulic loading system 30 is matched
It is set to and pressurizes controllablely to pressure chamber 11a, and keep the pressure of pressure chamber 11a constant.
Oil inlet and oil outlet is arranged by the way that pressure chamber is arranged in pressure block in the embodiment of the present invention on pressure block,
So as to be pressurizeed by hydraulic loading system to pressure chamber.By the way that axis hole is arranged on pressure block, by pressure axis inserting to axis
Kong Zhong, due to being provided with outward flange on pressure axis, the inner wall of outward flange and pressure chamber is slidingly sealed, and the cross section of axis hole is less than pressure
The cross section of power chamber, fuel feed hole and axis hole are located at the opposite two sides of outward flange, and fuel feed hole and oil outlet are located at outward flange
It is ipsilateral, therefore after pressurizeing to pressure chamber, outward flange can be pressed on the inner wall of pressure chamber, and the pressure in pressure chamber is got over
Greatly, it is bigger to be applied to the pressing force on the inner wall of pressure chamber for outward flange.It can generate and rub between outward flange and the inner wall of pressure chamber
The size wiped power, and be applied to the adjustable frictional force of size of the pressing force on the inner wall of pressure chamber by changing outward flange.
It, can be by the shaft coupling on pressure axis by pressure axis and to the output axis connection of running-in device, outward flange when being merged
Frictional force between the inner wall of pressure chamber is equivalent to the load acted on the output shaft to running-in device, is rubbed by changing
The size of power can change the size of load, keep operating condition when adjustment identical as operating condition in actual use, to improve
Running-in effect shortens running-in time.
As shown in Figure 1, pressure block 10 may include the block-shaped body 11 and block 12 being detachably connected.Block 12 is located at pressure
One end of power chamber 11a, pressure chamber 11a is in the end face of close pressure chamber 11a that the orthographic projection on block 12 is located at block 12, axis
Hole 12a is located on block 12.By the way that pressure block 10 is arranged to dismountable two parts, the group of pressure axis 20 can be convenient
Dress.
Optionally, block 12 can be threadedly coupled with block-shaped body 11.It is threadedly coupled not only good airproof performance, but also dismounting side
Just.
Further, sealing ring 40 is also provided between block-shaped body 11 and block 12.Pass through sealing ring 40 into one
Step promotes the leakproofness between block 12 and block-shaped body 11, reduces leakage.The outer diameter of sealing ring 40 can be 2~2000mm,
Higher pressure can be born, can still be mentioned when pressure reaches 45MPa, and the linear velocity at the edge of outward flange 21 reaches 15m/s
For preferable leakproofness.
Gap can be equipped between pressure axis 20 and axis hole 12a, in this way can in order to be discharged outward flange 21 and block 12 it
Between air.
Fig. 2 is a kind of schematic diagram of hydraulic loading system provided in an embodiment of the present invention.As shown in Fig. 2, hydraulic loaded system
System 30 may include fuel tank 31, load pump 32, check valve 33, pressure gauge 34 and shut-off valve 35.Wherein, the oil inlet of load pump 32
It is connected to fuel tank 31, the oil outlet of load pump 32 is connected to the oil inlet of check valve 33, the oil outlet and fuel feed hole of check valve 33
11b connection, the oil outlet of check valve 33 are also connected with pressure gauge 34, and oil outlet 11c is connected to the oil inlet of shut-off valve 35, cut-off
The oil outlet of valve 35 is connected to fuel tank 31.When being merged, shut-off valve 35 can be first closed, by load pump 32 to pressure chamber
11a pressurization can be closed by the pressure in the available pressure chamber 11a of pressure gauge 34 when pressure reaches required value
Load pump 32 avoids the reflux of hydraulic oil by check valve 33, so that the pressure in pressure chamber 11a is kept constant.It is tying
When beam merges, shut-off valve 35 can be opened, the pressure in chamber 11a is released stress.
Optionally, hydraulic loading system 30 can also include overflow valve 36.The oil inlet and guide's hydraulic fluid port of overflow valve 36 are equal
It is connected to the oil outlet of load pump 32, the oil outlet of overflow valve 36 is connected to fuel tank 31.It can be more after overflow valve 36 by being arranged
Add and accurately adjusts the pressure of pressure chamber 11a to required size.Shut-off valve 35 specifically can be first closed, by overflow valve 36
Cracking pressure be set as required pressure size in pressure chamber 11a, load pump 32 is then then turned on, in pressure chamber 11a
Pressure rise to before the cracking pressure of overflow valve 36, overflow valve 36 remains closing, when in the pressure in pressure chamber 11a
When being raised to the cracking pressure of overflow valve 36, overflow valve 36 is opened, and the pressure in pressure chamber 11a no longer rises.
Optionally, hydraulic loading system 30 can also include filter 37, and filter 37 is connected to the fuel-displaced of load pump 32
Between mouth and the oil inlet of check valve 33.Filter 37 can be filtered hydraulic oil, avoid the impurity in hydraulic oil to liquid
Pressure loading system 30 damages.
Optionally, air filter 37 is also provided on fuel tank 31.When hydraulic oil is added into fuel tank 31, Ke Yitong
The progress of air filter 37 is crossed, air filter 37 can filter out the impurity in hydraulic oil and air, and impurity is avoided to add to hydraulic
Loading system 30 damages.
Optionally, liquidometer 38 can be equipped in fuel tank 31.The Fuel Oil Remaining in fuel tank 31 is detected by liquidometer 38, really
There is sufficient hydraulic oil in conservator 31 for using.
Optionally, draining valve 311 is also provided on fuel tank 31.Varying load tooling for a long time when not in use, Ke Yitong
Cross the hydraulic oil that draining valve 311 is discharged in fuel tank 31.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of varying load tooling, including pressure block (10), pressure axis (20) and hydraulic loading system (30), the pressure block
(10) in be provided with a cylindrical pressure chamber (11a), be additionally provided on the pressure block (10) axis hole (12a), fuel feed hole (11b),
Oil outlet (11c), the axis hole (12a), the fuel feed hole (11b) are connected to the pressure chamber with the oil outlet (11c)
The outer surface of (11a) and the pressure block (10), the axis hole (12a) are located at one end of the pressure chamber (11a), and the axis
The axis in hole (12a) is parallel with the axis of the pressure chamber (11a), and the cross section of the axis hole (12a) is less than the pressure chamber
The cross section of (11a), the pressure axis (20) are inserted into the axis hole (12a), and the first end dew of the pressure axis (20)
Outside for the pressure block (10), the first end of the pressure axis (20) is equipped with shaft coupling (22), and the of the pressure axis (20)
Two ends are located in the pressure chamber (11a), and the second end of the pressure axis (20) is provided with the radial direction along the pressure axis (20)
The inner wall of outwardly extending outward flange (21), the periphery wall and the pressure chamber (11a) of the outward flange (21) is slidingly sealed, institute
It states fuel feed hole (11b) and the axis hole (12a) is located at the opposite two sides of the outward flange (21), the fuel feed hole
(11b) and the oil outlet (11c) are located at the ipsilateral of the outward flange (21), the hydraulic loading system (30) and the oil inlet
Hole (11b) is connected to the oil outlet (11c), and the hydraulic loading system (30) is configured as controllablely to the pressure chamber
(11a) pressurization, and keep the pressure of the pressure chamber (11a) constant.
2. varying load tooling according to claim 1, which is characterized in that the pressure block (10) includes being detachably connected
Block-shaped body (11) and block (12), the block (12) are located at one end of the pressure chamber (11a), the pressure chamber (11a)
In the end face close to the pressure chamber (11a) that the orthographic projection on the block (12) is located at the block (12), the axis
Hole (12a) is located on the block (12).
3. varying load tooling according to claim 2, which is characterized in that the block-shaped body (11) and the block (12)
Between be provided with sealing ring (40).
4. varying load tooling according to claim 2, which is characterized in that the block (12) and the block-shaped body (11)
It is threadedly coupled.
5. varying load tooling according to any one of claims 1 to 4, which is characterized in that the hydraulic loading system (30)
Including fuel tank (31), load pump (32), check valve (33), pressure gauge (34) and shut-off valve (35), the load pump (32) into
Hydraulic fluid port is connected to the fuel tank (31), and the oil outlet of the load pump (32) is connected to the oil inlet of the check valve (33), institute
The oil outlet for stating check valve (33) is connected to the fuel feed hole (11b), and the oil outlet of the check valve (33) is also connected with pressure
Table (34), the oil outlet (11c) are connected to the oil inlet of the shut-off valve (35), the oil outlet of the shut-off valve (35) and institute
State fuel tank (31) connection.
6. varying load tooling according to claim 5, which is characterized in that the hydraulic loading system (30) further includes overflow
Valve (36), the oil inlet and guide's hydraulic fluid port of the overflow valve (36) are connected to the oil outlet of the load pump (32), described to overflow
The oil outlet of stream valve (36) is connected to the fuel tank (31).
7. varying load tooling according to claim 5, which is characterized in that the hydraulic loading system (30) further includes filtering
Device (37), the filter (37) be connected to the load pump (32) oil outlet and the check valve (33) oil inlet it
Between.
8. varying load tooling according to claim 5, which is characterized in that be equipped with liquidometer (38) in the fuel tank (31).
9. varying load tooling according to claim 5, which is characterized in that the fuel tank (31) is equipped with air filter
(37)。
10. varying load tooling according to claim 5, which is characterized in that the fuel tank (31) is equipped with draining valve
(311)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810986441.1A CN109114051B (en) | 2018-08-28 | 2018-08-28 | Variable load tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810986441.1A CN109114051B (en) | 2018-08-28 | 2018-08-28 | Variable load tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109114051A true CN109114051A (en) | 2019-01-01 |
| CN109114051B CN109114051B (en) | 2019-12-31 |
Family
ID=64860281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810986441.1A Active CN109114051B (en) | 2018-08-28 | 2018-08-28 | Variable load tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109114051B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426188A (en) * | 2019-06-28 | 2019-11-08 | 武汉船用机械有限责任公司 | Load testing tooling |
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| CN105697353B (en) * | 2016-01-21 | 2017-11-24 | 燕山大学 | A kind of variable working condition Hydraulic pump fault simulation and state-detection combined test apparatus |
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| CN103109095A (en) * | 2010-03-17 | 2013-05-15 | 派克汉尼芬公司 | Hydraulic valve with pressure limiter |
| CN101967980A (en) * | 2010-05-17 | 2011-02-09 | 浙江大学 | Cutterhead closed type hydraulic drive system adopting revolving speed-variable and displacement-variable compound control |
| CN101967980B (en) * | 2010-05-17 | 2012-12-12 | 浙江大学 | Cutterhead closed type hydraulic drive system adopting revolving speed-variable and displacement-variable compound control |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110426188A (en) * | 2019-06-28 | 2019-11-08 | 武汉船用机械有限责任公司 | Load testing tooling |
| CN110426188B (en) * | 2019-06-28 | 2021-06-01 | 武汉船用机械有限责任公司 | Load testing tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109114051B (en) | 2019-12-31 |
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