CN110206787A - A kind of hydrostatic support hydraulic cylinder offset load resistance is test bed - Google Patents
A kind of hydrostatic support hydraulic cylinder offset load resistance is test bed Download PDFInfo
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- CN110206787A CN110206787A CN201910574032.5A CN201910574032A CN110206787A CN 110206787 A CN110206787 A CN 110206787A CN 201910574032 A CN201910574032 A CN 201910574032A CN 110206787 A CN110206787 A CN 110206787A
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- hydraulic cylinder
- hydrostatic support
- support hydraulic
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- test bed
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- 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
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of hydrostatic support hydraulic cylinder offset load resistance is test bed, including testing stand pedestal, the two sides of described pedestal one end are respectively equipped with column, described two columns are parallel to each other, small-sized load hydraulic cylinder is equipped between described two columns, the cylinder barrel on both sides of the middle of the small-sized load hydraulic cylinder is hinged with column middle and upper part respectively, the middle of the base two sides are equipped with slide rail, sliding guide block is equipped between described two slide rails, the both ends of the sliding guide block are connected in sliding transfer in slide rail respectively, pedestal other end two sides are respectively equipped with L-type guide plate, clamping setting hydrostatic support hydraulic cylinder between described two L-type guide plates, one end and the piston rod of small-sized load hydraulic cylinder are connected by a hinge in the middle part of the sliding guide block, the piston rod of the other end and hydrostatic support hydraulic cylinder is hinged;It can detecte the performance of hydraulic cylinder hydraulic cylinder under different offset loading forces by this testing stand.
Description
Technical field
The present invention relates to a kind of hydraulic cylinder performance detection device technical fields, and in particular to a kind of hydrostatic support hydraulic cylinder is anti-
Unbalance loading aptitude tests testing stand.
Background technique
Hydraulic cylinder is the important executive component of hydraulic system, and performance quality has directly influenced the steady of entire hydraulic system
Qualitative, compared with Normal hydraulic cylinder, hydraulic cylinder requires to have lesser frictional force and excellent anti-side to load capacity, to meet
Heavy duty and unbalance loading requirement under high frequency, in some special dimensions, hydraulic cylinder usually works under the action of by offset loading force, so
Anti-bias load performance is more and more important for hydraulic cylinder, and therefore, it is necessary to the performances to the hydraulic cylinder under different offset loading forces to detect,
To meet hydraulic system in the different demands of different occasions.
Summary of the invention
In order to overcome the deficiencies of the prior art, the present invention provides a kind of hydrostatic support hydraulic cylinder offset load resistance testing experiment
Platform, to detect the performance of hydraulic cylinder hydraulic cylinder under different offset loading forces.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of hydrostatic support hydraulic cylinder offset load resistance is test bed, including testing stand pedestal, the two sides of described pedestal one end
It is respectively equipped with column, described two columns are parallel to each other, and small-sized load hydraulic cylinder is equipped between described two columns, described small-sized
Load hydraulic cylinder cylinder barrel on both sides of the middle it is hinged with column middle and upper part respectively, the middle of the base two sides be equipped with slide rail, described two
Sliding guide block is equipped between a slide rail, the both ends of the sliding guide block are connected in sliding transfer in slide rail, bottom respectively
Seat other end two sides are respectively equipped with L-type guide plate, described two symmetrical settings of L-type guide plate, and the longitudinal plate of L-type guide plate is vertically fixed
In on pedestal, the transverse plate of L-type guide plate is parallel to bottom plate, clamping setting static pressure branch between the transverse plate of described two L-type guide plates
Hold hydraulic cylinder, one end and the piston rod of small-sized load hydraulic cylinder are connected by a hinge in the middle part of the sliding guide block, the other end with it is quiet
The piston rod of hydraulic support hydraulic cylinder is hinged.
Further, the small-sized load hydraulic cylinder is carried out with fuel feeding from accumulator.
Further, the hydrostatic support hydraulic cylinder carries out independent oil supply, Mei Gejing using independent small size hydraulic pump station
Hydraulic support oil pocket oil inlet uses independent oil supply.
Further, the end of the hydrostatic support hydraulic cylinder is equipped with fastening system.
Further, the tight lock system includes shell, set lever, and the set lever is set to outer above shell
Side, upper center is equipped with triangle jacking block in the shell, is set in the middle part of lower section there are two the triangle block being oppositely arranged, described
The space being inserted into for triangle jacking block, set lever one end connection screw thread jackscrew, institute are constituted between two triangle blocks
It states screw thread jackscrew to connect at the top of shell and triangle jacking block, triangle block one end is connected separately with spring and company
The other end of bar, the spring is connect with inner walls, and the other end of the connecting rod is pierced by shell connection U-shaped card slot, described U-shaped
The open end of card slot respectively corresponds the transverse plate of clamping L-type guide plate.
Further, the both ends of the sliding guide block are I-shaped structure, and the both ends of the sliding guide block are blocked respectively
It is connected in moving guide rail, and there are gaps for the contact position of sliding guide block and slide rail.The presence in gap makes in static pressure branch
When holding hydraulic cylinder receiving offset loading force, certain biased can also occur for sliding guide block.
Beneficial effects of the present invention: small-sized load hydraulic cylinder is subjected to radial type installation, small-sized load hydraulic cylinder piston rod
One end is connect with sliding guide block, and the sliding guide block other end connects hydrostatic support hydraulic cylinder, and sliding guide block both ends slide on sliding and lead
Angled to top using two hydraulic cylinders in the application in rail, to generate constant offset loading force, small-sized load cylinder is using hinged
Mode reduces influence of the offset loading force to small-sized load cylinder, and wherein the hydrostatic support part of hydrostatic support hydraulic cylinder is using independent
Small size hydraulic pump station carries out oil-feeding control, provides constant offset loading force by small-sized load cylinder to test hydrostatic support oil cylinder piston
The relationship of bar overhang and offset load resistance.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is the dependency structure simplified schematic diagram of slide rail and sliding guide block in the present invention.
Fig. 3 is the small size hydraulic pump station structural schematic diagram of hydrostatic support hydraulic cylinder independent oil supply in the present invention.
Fig. 4 is fastening system structural schematic diagram in the present invention.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
As shown in Figure 1, a kind of hydrostatic support hydraulic cylinder offset load resistance is test bed, including testing stand pedestal 3, it is described
The two sides of pedestal one end are respectively equipped with column 2, and described two columns are parallel to each other, and small-sized load is equipped between described two columns
The cylinder barrel on both sides of the middle of hydraulic cylinder 1, the small-sized load hydraulic cylinder is hinged with column middle and upper part respectively, and the middle of the base two sides are equipped with
Slide rail 6, sliding guide block 5 is equipped between described two slide rails, and the both ends of the sliding guide block 5 are connected in sliding respectively
Sliding transfer in guide rail 6, pedestal other end two sides are respectively equipped with L-type guide plate 9, described two symmetrical settings of L-type guide plate, L-type
The longitudinal plate of guide plate is perpendicularly fixed on pedestal, and the transverse plate of L-type guide plate is parallel to bottom plate, the transverse direction of described two L-type guide plates
The piston rod of clamping setting hydrostatic support hydraulic cylinder 7 between plate, sliding guide block middle part one end and small-sized load hydraulic cylinder is logical
The connection of hinge 4 is crossed, the piston rod of the other end and hydrostatic support hydraulic cylinder 7 is hinged, and small-sized load hydraulic cylinder is carried out radial type peace
Dress, small-sized load hydraulic cylinder piston rod one end are connect with sliding guide block, and the sliding guide block other end connects hydrostatic support hydraulic cylinder, sliding
Dynamic guide block both ends slide in slide rail, angled to top using two hydraulic cylinders, so that constant offset loading force is generated, it is small-sized
It loads cylinder and uses articulated manner, reduce influence of the offset loading force to small-sized load cylinder;As shown in Fig. 2, the both ends of sliding guide block are
The both ends of I-shaped structure, the sliding guide block are connected in moving guide rail respectively, and slide connecing for guide block and slide rail
Synapsis is there are gap, and the presence in gap makes when hydrostatic support hydraulic cylinder bears offset loading force, and sliding guide block can also occur one
Fixed biased.
Further, the small-sized load hydraulic cylinder is carried out with fuel feeding from accumulator, and the hydrostatic support hydraulic cylinder is adopted
Independent oil supply is carried out with independent small size hydraulic pump station, each hydrostatic support oil pocket oil inlet uses independent oil supply, described small-sized
Hydraulic pump station structure is as shown in figure 3, include first group of oil inlet 11, second groups of oil inlets 12, oil return line 13, pressure reducing valves 14, mistake
Filter 15, motor 16, pressure gauge 17, fuel tank 18, overflow valve 19, throttle valve 20;Motor 16 drives fuel tank internal pump by rotation
Operated, by oil liquid by overflow valve 19 adjust pressure, be shown on pressure gauge 17, oil liquid by enter filter 15, into
Enter oil path block, pressure reducing valve 14 and throttle valve 20 be housed on oil path block, can two kinds of valves individually control the pressure and stream of oil liquid respectively
Amount, enters hydrostatic support structure finally by first group, second group of oil inlet, the oil liquid in hydrostatic support structure passes through oil return
Fuel tank is flowed back on road 13.
As shown in figure 4, the end of the hydrostatic support hydraulic cylinder is equipped with fastening system 8, the tight lock system includes shell
21, set lever 22, the set lever 22 are set to the outside of 21 top of shell, and upper center is equipped with triangle in the shell
Shape jacking block 23 is set in the middle part of lower section there are two the triangle block 26 being oppositely arranged, and is constituted between described two triangle blocks 26
For the space that triangle jacking block 23 is inserted into, 22 one end connection screw thread jackscrew 24 of set lever, the screw thread jackscrew 24 is another
End connects at the top of shell 21 and triangle jacking block 23, and described 26 one end of triangle block is connected separately with spring 25 and connecting rod
27, the other end of the spring 25 is connect with inner walls, and the other end of the connecting rod 27 is pierced by shell connection U-shaped card slot 28,
The open end of the U-shaped card slot respectively corresponds the transverse plate of clamping L-type guide plate 9;By rotation lock handle, screw thread jackscrew is driven
Be rotated down, move downward triangle jacking block, and then keep triangle block gradually mobile to both sides, compressed spring, card slot
It will gradually stretch out, carry out clamping.
Claims (6)
1. a kind of hydrostatic support hydraulic cylinder offset load resistance is test bed, including testing stand pedestal, which is characterized in that the bottom
The two sides of seat one end are respectively equipped with column, and described two columns are parallel to each other, and small-sized load liquid is equipped between described two columns
The cylinder barrel on both sides of the middle of cylinder pressure, the small-sized load hydraulic cylinder is hinged with column middle and upper part respectively, and the middle of the base two sides, which are equipped with, to be slided
Guide rail is moved, sliding guide block is equipped between described two slide rails, the both ends of the sliding guide block are connected in slide rail respectively
Interior sliding transfer, pedestal other end two sides are respectively equipped with L-type guide plate, described two symmetrical settings of L-type guide plate, L-type guide plate
Longitudinal plate is perpendicularly fixed on pedestal, and the transverse plate of L-type guide plate is parallel to bottom plate, between the transverse plate of described two L-type guide plates
The piston rod of clamping setting hydrostatic support hydraulic cylinder, sliding guide block middle part one end and small-sized load hydraulic cylinder is connected by hinge
It connects, the piston rod of the other end and hydrostatic support hydraulic cylinder is hinged.
2. a kind of hydrostatic support hydraulic cylinder offset load resistance according to claim 1 is test bed, which is characterized in that institute
Small-sized load hydraulic cylinder is stated to be carried out with fuel feeding from accumulator.
3. a kind of hydrostatic support hydraulic cylinder offset load resistance according to claim 1 is test bed, which is characterized in that institute
It states hydrostatic support hydraulic cylinder and independent oil supply is carried out using independent small size hydraulic pump station, each hydrostatic support oil pocket oil inlet uses
Independent oil supply.
4. a kind of hydrostatic support hydraulic cylinder offset load resistance according to claim 1 is test bed, which is characterized in that institute
The end for stating hydrostatic support hydraulic cylinder is equipped with fastening system.
5. a kind of hydrostatic support hydraulic cylinder offset load resistance according to claim 1 is test bed, which is characterized in that institute
Stating tight lock system includes shell, set lever, and the set lever is set to the outside above shell, in the shell in top
Portion is equipped with triangle jacking block, sets in the middle part of lower section there are two the triangle block being oppositely arranged, between described two triangle blocks
The space being inserted into for triangle jacking block, set lever one end connection screw thread jackscrew are constituted, the screw thread jackscrew passes through shell
It is connect at the top of triangle jacking block, triangle block one end is connected separately with spring and connecting rod, the other end of the spring
It is connect with inner walls, the other end of the connecting rod is pierced by shell connection U-shaped card slot, and the open end of the U-shaped card slot is right respectively
The transverse plate of L-type guide plate should be clamped.
6. a kind of hydrostatic support hydraulic cylinder offset load resistance according to claim 1 is test bed, which is characterized in that institute
The both ends for stating sliding guide block are I-shaped structure, and the both ends of the sliding guide block are connected in moving guide rail respectively, and sliding
There are gaps for the contact position of dynamic guide block and slide rail.
Priority Applications (1)
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CN201910574032.5A CN110206787B (en) | 2019-06-28 | 2019-06-28 | Hydrostatic bearing hydraulic cylinder unbalance loading resistance capability test bench |
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CN201910574032.5A CN110206787B (en) | 2019-06-28 | 2019-06-28 | Hydrostatic bearing hydraulic cylinder unbalance loading resistance capability test bench |
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CN110206787A true CN110206787A (en) | 2019-09-06 |
CN110206787B CN110206787B (en) | 2021-01-01 |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101435717A (en) * | 2008-12-11 | 2009-05-20 | 中国航天科技集团公司第四研究院第四十四研究所 | Load application structure unit for automobile balance checkout |
CN201412416Y (en) * | 2009-06-17 | 2010-02-24 | 江苏恒立高压油缸有限公司 | Cylinder testing device |
KR20150006155A (en) * | 2013-07-08 | 2015-01-16 | 한국기계연구원 | Performance testing device for cylinder |
RO130865A2 (en) * | 2014-06-11 | 2016-01-29 | Hydramold S.R.L. | Test stand for high-pressure hydraulic units |
CN107191434A (en) * | 2016-03-14 | 2017-09-22 | 吕庆洲 | A kind of secondary reinforcement hydraulic cylinder test-bed |
CN107246424A (en) * | 2017-06-05 | 2017-10-13 | 中国北方车辆研究所 | Conjuncted hydraulic pump motor automatic cycle tests Pneumatic operating mechanism |
CN207961141U (en) * | 2018-03-22 | 2018-10-12 | 太原科技大学 | A kind of articulated structure anti-bias load heavy duty servo hydraulic cylinder |
CN109141855A (en) * | 2018-09-04 | 2019-01-04 | 四川省农业机械研究设计院 | The driving load test rack of cropper digger blade |
-
2019
- 2019-06-28 CN CN201910574032.5A patent/CN110206787B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101435717A (en) * | 2008-12-11 | 2009-05-20 | 中国航天科技集团公司第四研究院第四十四研究所 | Load application structure unit for automobile balance checkout |
CN201412416Y (en) * | 2009-06-17 | 2010-02-24 | 江苏恒立高压油缸有限公司 | Cylinder testing device |
KR20150006155A (en) * | 2013-07-08 | 2015-01-16 | 한국기계연구원 | Performance testing device for cylinder |
RO130865A2 (en) * | 2014-06-11 | 2016-01-29 | Hydramold S.R.L. | Test stand for high-pressure hydraulic units |
CN107191434A (en) * | 2016-03-14 | 2017-09-22 | 吕庆洲 | A kind of secondary reinforcement hydraulic cylinder test-bed |
CN107246424A (en) * | 2017-06-05 | 2017-10-13 | 中国北方车辆研究所 | Conjuncted hydraulic pump motor automatic cycle tests Pneumatic operating mechanism |
CN207961141U (en) * | 2018-03-22 | 2018-10-12 | 太原科技大学 | A kind of articulated structure anti-bias load heavy duty servo hydraulic cylinder |
CN109141855A (en) * | 2018-09-04 | 2019-01-04 | 四川省农业机械研究设计院 | The driving load test rack of cropper digger blade |
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Inventor after: Ma Linan Inventor after: Zhang Wenze Inventor after: Zhao Xiaodong Inventor after: Wang Tao Inventor before: Zhang Wenze Inventor before: Ma Linan Inventor before: Zhao Xiaodong Inventor before: Wang Tao |
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