CN107956763B - A kind of cylinder bench frame with aligning device - Google Patents
A kind of cylinder bench frame with aligning device Download PDFInfo
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- CN107956763B CN107956763B CN201711138231.9A CN201711138231A CN107956763B CN 107956763 B CN107956763 B CN 107956763B CN 201711138231 A CN201711138231 A CN 201711138231A CN 107956763 B CN107956763 B CN 107956763B
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- plate
- aligning
- hydraulic cylinder
- cylinder
- foreboard
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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)
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- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present patent application belongs to technical field of hydraulic equipment, specifically disclose a kind of cylinder bench frame with aligning device, including pedestal, foreboard, intermediate plate, back plate, loading hydraulic cylinder, detection plate, controller and load aligning plate for adjusting loading hydraulic cylinder position, foreboard and back plate are fixed on pedestal both ends, intermediate plate is slidably connected on the base, detection plate is slidably connected between intermediate plate and foreboard, detection plate inner wall is equipped with the multiple groups resistance strain gage symmetrical along the center line of detection plate, every group of resistance strain gage is connect with controller respectively, the cylinder barrel of loading hydraulic cylinder passes through aligning plate and is fixed on the foreboard.Cylinder bench frame in the prior art is overcome during the test using technical solution of the present invention, not can guarantee tested hydraulic cylinder and loading hydraulic cylinder moment concentric technological deficiency, to provide a kind of cylinder bench frame with aligning device.
Description
Technical field
The invention belongs to technical field of hydraulic equipment, specifically disclose a kind of cylinder bench with aligning device
Frame.
Background technique
Hydraulic cylinder is the important component of hydraulic system, and hydraulic energy can be changed into the machinery of straight reciprocating motion by it
Can, because its structure is simple, reliable operation is used widely in mechanical system.Currently, the performance and quality of hydraulic cylinder should
It can satisfy the requirement of host, the standard index of hydraulic cylinder itself can be reached again.It is set to examine hydraulic cylinder whether to reach
Meter index, whether meet requirement, product exploitation, produce inspection, Product Acceptance Review, repair check and accept etc. applications, need
Hydraulic cylinder is tested for the property.During the test, hydraulic cylinder test rack is used to install fixed tested hydraulic cylinder and adds
Carrier fluid cylinder pressure.
During installation and checkout, hydraulic cylinder test rack is intended to guarantee the same of tested hydraulic cylinder and loading hydraulic cylinder
The heart, but current cylinder bench frame can only guarantee to be tested the concentric of hydraulic cylinder and load during the installation process, without
Can guarantee during the test always with one heart.
Summary of the invention
The purpose of the present invention is providing a kind of hydraulic cylinder test rack with aligning device, to solve existing hydraulic cylinder examination
It tests rack during the test, not can guarantee tested hydraulic cylinder and the concentric technical problem of loading hydraulic cylinder.
In order to achieve the above object, base case of the invention are as follows: a kind of cylinder bench frame with aligning device,
Including pedestal, foreboard, intermediate plate, back plate and loading hydraulic cylinder, the foreboard and back plate are fixed on the pedestal both ends, it is described in
Between plate be slidably connected on the pedestal, further include detection plate, controller and the load tune for adjusting loading hydraulic cylinder position
Core, the detection plate are slidably connected between intermediate plate and foreboard, and the detection plate inner wall is equipped with multiple groups along detection plate
The symmetrical resistance strain gage of heart line, every group of resistance strain gage are connect with institute controller respectively, and the cylinder barrel of loading hydraulic cylinder is worn
The aligning plate is crossed to be fixed on the foreboard.
The controller that the present invention uses is for surveying the device of electric current, controller includes the certain electricity of resistance value in the prior art
Resistance can form closed circuit, the display of controller after the port of controller is connect with two terminals with group foil gauge
It can show its current value at that time.
The working principle of this base case is: tested hydraulic cylinder being mounted between intermediate plate and back plate first, then
The cylinder barrel of loading hydraulic cylinder is passed through load aligning plate to be mounted on foreboard；Detection plate is the piston for detecting loading hydraulic cylinder
The bar device whether concentric with the piston rod of tested hydraulic cylinder, so will test the piston rod that plate is slidably connected at tested hydraulic cylinder
With the plunger rod contacts position of loading hydraulic cylinder, and the port of every group of resistance strain gage and corresponding controller is connected.Work as quilt
When the piston rod of the piston rod and loading hydraulic cylinder of surveying hydraulic cylinder contacts in detection plate, the resistance strain gage in detection plate
Deformation occurs due to being squeezed power, and each resistance-strain sector-meeting generates different resistance values according to the difference of deformation, finally
Different current values are shown on the controller.If with one heart, being tested the piston rod of hydraulic cylinder or the piston of loading hydraulic cylinder
Bar can generate identical extruding force, resistance strain gage identical, the control that deformation occurs of difference group to different groups of resistance strain gage
The current value of the resistance strain gage of the different groups shown on device processed is equal；On the contrary, if different group resistance strain gages are in controller
The current value of upper display is different, then can release the deformation difference that different groups of resistance strain gages occur, be tested the piston of hydraulic cylinder
The conclusion of the piston rod decentraction of bar and loading hydraulic cylinder.The position of the cylinder barrel of finally control load aligning plate adjustment loading hydraulic cylinder
It sets, and aligning plate is loaded according to the current value adjustment of controller, the piston rod and loading hydraulic cylinder of tested hydraulic cylinder can be made
Piston rod is concentric.
The beneficial effect of this base case is: tested hydraulic cylinder is judged according to the current value of different groups of resistance strain gages
Piston rod and loading hydraulic cylinder piston rod it is whether concentric, with can only guaranteeing in concentric hydraulic of installation process for the prior art
Cylinder test-bed is compared, using technical solution of the present invention, can either guarantee it is concentric in installation process, and can be in performance test
In the process, whether the piston rod for monitoring the piston rod and loading hydraulic cylinder of tested hydraulic cylinder at any time is concentric, and can occur
When eccentric, loading hydraulic cylinder is adjusted in time and makes the piston rod of the piston rod and loading hydraulic cylinder of tested hydraulic cylinder concentric, it is ensured that
The accuracy of cylinder bench frame test.
Further, further include air charging system and multiple groups aligning capsule, be equipped between the inside and outside wall of aligning plate and accommodate aligning capsule
Multiple groups cavity, the inner wall of the aligning plate are provided with the hole communicated with the cavity, and the outer wall of aligning plate is provided with and the cavity phase
Logical aeration aperture, with organizing, cavity is symmetrical along the radial direction of the aligning plate, and the air charging system is equipped with multiple gas tubes, institute
It states each gas tube and aligning capsule corresponds, each gas tube is equipped with valve.Aligning capsule is contained in cavity, and with
The cylinder barrel of loading hydraulic cylinder contacts, and the current values shown by controller judge the eccentric direction of loading hydraulic cylinder, and opening is filled
Valve on tracheae is ventilated to corresponding aligning capsule, and the piston rod of tested hydraulic cylinder and the piston rod of loading hydraulic cylinder can be adjusted
With one heart.
Further, the detection plate inner wall is equipped with groove, and the resistance strain gage is affixed in the groove.Using embedded
Resistance strain gage is attached to detection plate inner wall, avoids the impact of the piston rod of resistance strain gage loading hydraulic cylinder and tested hydraulic cylinder
And it damages.
Further, the different group foil gauge is equidistant along the centerline direction of the detection plate.By controlling not
With group foil gauge along the distance of the centerline direction of detection plate, it can be further ensured that the piston rod and load liquid of tested hydraulic cylinder
The piston rod concentricity of cylinder pressure.
Further, every group of resistance strain gage is four, and with organizing, the distance between resistance strain gage every two is equal.?
The up, down, left and right of detection plate inner wall, which are respectively installed a resistance strain gage and can be detected in all directions of detection plate inner wall, to be added
The concentricity of the piston rod of carrier fluid cylinder pressure and tested hydraulic cylinder.
Further, every group of aligning capsule is four, and with organizing, the distance between aligning capsule every two is equal.It can load
The cylinder barrel up, down, left and right four direction of hydraulic cylinder adjusts the position of the cylinder barrel of loading hydraulic cylinder.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the cross-sectional view of the detection plate of the embodiment of the present invention；
Fig. 3 is the cross-sectional view of the aligning plate of the embodiment of the present invention.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail:
Appended drawing reference in Figure of description includes: pedestal 1, foreboard 2, back plate 3, intermediate plate 4, loading hydraulic cylinder 5, detection
Plate 6, controller 7, first resistor foil gauge 8, second resistance foil gauge 9,3rd resistor foil gauge 10, the 4th resistance strain gage
11, aligning plate 12, the first aligning capsule 13, the second aligning capsule 14, third aligning capsule 15, the 4th aligning capsule 16, gas tube 17, valve
18, groove 19.
As shown in Figure 1 and Figure 2, a kind of cylinder bench frame with aligning device, including pedestal 1, foreboard 2, intermediate plate
4, back plate 3, loading hydraulic cylinder 5, detection plate 6, controller 7 and the load aligning plate 12 for adjusting 5 position of loading hydraulic cylinder,
The cylinder barrel of loading hydraulic cylinder 5 passes through aligning plate 12 and is fixed on foreboard 2.Foreboard 2 and back plate 3 are bolted on 1 liang of pedestal
End, intermediate plate 4 are slidably connected on pedestal 1, and detection plate 6 is slidably connected between intermediate plate 4 and foreboard 2.6 inner wall of detection plate is set
There is the resistance strain gage that multiple groups are symmetrical along the center line of detection plate 6, the current value of every group of resistance strain gage can be in controller 7
Upper display, every group of resistance strain gage is when the adaptability to changes being subject to is identical, the current value phase that shows on controller 7.As shown in Figure 2
Every group of resistance strain gage is four, is respectively to install a resistance strain gage in the up, down, left and right of 6 inner wall of detection plate respectively: the
One resistance strain gage 8, second resistance foil gauge 9,3rd resistor foil gauge 10 and the 4th resistance strain gage 11；With group resistance-strain
The distance between piece every two is equal, can detect loading hydraulic cylinder 5 and tested hydraulic cylinder in all directions of 6 inner wall of detection plate
Piston rod concentricity；Difference group foil gauges are equidistant along the centerline direction of detection plate 6, can be further ensured that by
Survey the piston rod of hydraulic cylinder and the piston rod concentricity of loading hydraulic cylinder 5.6 inner wall of detection plate is equipped with groove 19, and each resistance is answered
Become piece resistance strain gage to be attached in groove 19 using embedded, avoid resistance strain gage because loading hydraulic cylinder 5 be tested it is hydraulic
The impact of the piston rod of cylinder and damage.
Further include air charging system and multiple groups aligning capsule, is equipped with the multiple groups for accommodating aligning capsule between the inside and outside wall of aligning plate 12
Cavity, the inner wall of aligning plate 12 are provided with the hole communicated with cavity, and the outer wall of aligning plate 12 is provided with the aeration aperture communicated with cavity, together
Group cavity is symmetrical along the radial direction of aligning plate 12, and air charging system is equipped with multiple gas tubes 17, each gas tube 17 and aligning
Capsule corresponds, and each gas tube 17 is equipped with valve 18.Aligning capsule is contained in cavity, and the cylinder barrel with loading hydraulic cylinder 5
Contact judges the eccentric direction of loading hydraulic cylinder 5 by the numerical value of controller 7, opens valve 18 on gas tube 17 to correspondence
The ventilation of aligning capsule, the piston rod that the piston rod and loading hydraulic cylinder 5 of tested hydraulic cylinder can be adjusted is concentric.Every group of aligning capsule be
Four, with organizing, the distance between aligning capsule every two is equal.It is as shown in Figure 3: the first aligning capsule 13, the second aligning capsule 14, third
Aligning capsule 15 and the 4th aligning capsule 16 can adjust in the cylinder barrel up, down, left and right four direction of loading hydraulic cylinder 5 add in this way
The position of the cylinder barrel of carrier fluid cylinder pressure 5.
Tested hydraulic cylinder is mounted between intermediate plate 4 and back plate 3 first, then passes through the cylinder barrel of loading hydraulic cylinder 5
Load aligning plate 12 is mounted on foreboard 2；It will test piston rod and loading hydraulic cylinder 5 that plate 6 is slidably connected at tested hydraulic cylinder
Plunger rod contacts position, and the port of every group of resistance strain gage and corresponding controller 7 is connected；When the work of tested hydraulic cylinder
When the piston rod of stopper rod and loading hydraulic cylinder 5 contacts in detection plate 6, the resistance strain gage in detection plate 6 is because by crowded
Pressure and deformation occurs, each resistance-strain sector-meeting generates different current values according to the difference of deformation, finally in controller 7
The different current values of upper display.If the piston rod for the piston rod or loading hydraulic cylinder 5 for one heart, being tested hydraulic cylinder can be to not
Resistance strain gage with group generates identical extruding force, and that deformation occurs is identical for the resistance strain gages of difference group, shows on controller 7
The current value of the resistance strain gage for the different groups shown is equal；On the contrary, if what different group resistance strain gages were shown on controller 7
Current value is different, then can release the deformation difference that different groups of resistance strain gages occur, be tested piston rod and the load of hydraulic cylinder
The conclusion of the piston rod decentraction of hydraulic cylinder 5.Finally by the numerical value of controller 7, the eccentric direction of loading hydraulic cylinder 5 is judged,
The valve 18 opened on gas tube 17 is ventilated to corresponding aligning capsule, adjusts the piston rod and loading hydraulic cylinder 5 of tested hydraulic cylinder
Piston rod it is concentric.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these also should be considered as protection scope of the present invention, these all will not influence what the present invention was implemented
Effect and patent practicability.
Claims (4)
1. a kind of cylinder bench frame with aligning device, including pedestal, foreboard, intermediate plate, back plate and loading hydraulic cylinder,
The foreboard and back plate are fixed on the pedestal both ends, and the intermediate plate is slidably connected on the pedestal, which is characterized in that also
Including detection plate, controller and load aligning plate for adjusting loading hydraulic cylinder position, during the detection plate is slidably connected at
Between between plate and foreboard, the detection plate inner wall is equipped with the multiple groups resistance strain gage symmetrical along the center line of detection plate, no
Centerline direction with group foil gauge along the detection plate is equidistant, and every group of resistance strain gage connects with institute's controller respectively
It connects, the cylinder barrel of loading hydraulic cylinder passes through the aligning plate and is fixed on the foreboard；It further include air charging system and multiple groups aligning capsule,
The multiple groups cavity for accommodating aligning capsule is equipped between the inside and outside wall of aligning plate, the inner wall of the aligning plate is provided with and the cavity phase
Logical hole, the outer wall of aligning plate are provided with the aeration aperture communicated with the cavity, with group cavity along the radial direction of the aligning plate
Symmetrically, the air charging system is equipped with multiple gas tubes, and each gas tube and aligning capsule correspond, each inflation
Pipe is equipped with valve.
2. a kind of cylinder bench frame with aligning device as described in claim 1, which is characterized in that the detection plate
Inner wall is equipped with groove, and the resistance strain gage is affixed in the groove.
3. a kind of cylinder bench frame with aligning device as described in claim 1, which is characterized in that every group of resistance is answered
Become piece as four, the distance between resistance strain gage every two is equal with organizing.
4. a kind of cylinder bench frame with aligning device as described in claim 1, which is characterized in that every group of aligning capsule
It is four, with organizing, the distance between aligning capsule every two is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711138231.9A CN107956763B (en) | 2017-11-16 | 2017-11-16 | A kind of cylinder bench frame with aligning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711138231.9A CN107956763B (en) | 2017-11-16 | 2017-11-16 | A kind of cylinder bench frame with aligning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107956763A CN107956763A (en) | 2018-04-24 |
| CN107956763B true CN107956763B (en) | 2019-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711138231.9A Active CN107956763B (en) | 2017-11-16 | 2017-11-16 | A kind of cylinder bench frame with aligning device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107956763B (en) * | 2017-11-16 | 2019-07-02 | 重庆维庆液压机械有限公司 | A kind of cylinder bench frame with aligning device |
| CN109115604A (en) * | 2018-07-26 | 2019-01-01 | 辽宁工业大学 | Resistance-strain type universal testing machine pressure eccentricity detecting device |
| CN111077010A (en) * | 2020-01-09 | 2020-04-28 | 国家康复辅具研究中心 | Do benefit to pneumatic cylinder test bench of centering |
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| WO2016118946A1 (en) * | 2015-01-24 | 2016-07-28 | Setra Systems, Inc. | A system and method for callibrating and controlling pressure |
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| CN106969908A (en) * | 2017-04-07 | 2017-07-21 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Simulate the load testing machine of marine propeller |
| CN107956763A (en) * | 2017-11-16 | 2018-04-24 | 重庆维庆液压机械有限公司 | A kind of cylinder bench frame with aligning device |
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- 2017-11-16 CN CN201711138231.9A patent/CN107956763B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201941594U (en) * | 2011-03-11 | 2011-08-24 | 邵阳市飞达汽配机械制造有限公司 | Transmission shaft bearing base device for vehicles |
| CN102433788A (en) * | 2011-09-29 | 2012-05-02 | 华南理工大学 | Mesh tape deviation rectification apparatus for double-mesh dehydrator |
| CN103075388A (en) * | 2013-01-14 | 2013-05-01 | 燕山大学 | Hydraulic variable-stroke finely-tunable positioning locking type hydraulic cylinder testing rack |
| WO2016118946A1 (en) * | 2015-01-24 | 2016-07-28 | Setra Systems, Inc. | A system and method for callibrating and controlling pressure |
| CN106736093A (en) * | 2017-03-06 | 2017-05-31 | 辽宁科技学院 | Large-scale roller built-up welding is remanufactured can eliminate axial dipole field heavy duty stepless driver |
| CN106969908A (en) * | 2017-04-07 | 2017-07-21 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Simulate the load testing machine of marine propeller |
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| CN107956763A (en) | 2018-04-24 |
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