CN208968590U - A kind of small-scale liquid cylinder pressure automatic checkout system - Google Patents
A kind of small-scale liquid cylinder pressure automatic checkout system Download PDFInfo
- Publication number
- CN208968590U CN208968590U CN201821762617.7U CN201821762617U CN208968590U CN 208968590 U CN208968590 U CN 208968590U CN 201821762617 U CN201821762617 U CN 201821762617U CN 208968590 U CN208968590 U CN 208968590U
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- China
- Prior art keywords
- baffle
- pressing plate
- pressure sensor
- displacement
- pedestal
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Abstract
The utility model provides a kind of small-scale liquid cylinder pressure automatic checkout system, including pedestal, wire-pulling type displacement sensor, data processing equipment and pressure sensor, baffle and pressure sensor device are all movably mounted on pedestal, the pressure sensor device includes answering pressing plate, it is mounted on to answer the stroke shaft on pressing plate and be mounted on and answer on pressing plate close to the pressure sensor of the end face of hydraulic cylinder to be measured, wire-pulling type displacement sensor is mounted on the base, the electronic ruler of wire-pulling type displacement sensor is connect with baffle, the stroke shaft of pressure sensor device passes through baffle and displacement supports upper corresponding hole, pressing plate is answered to be close together with baffle, spring is equipped between baffle and displacement support, pressure sensor device and wire-pulling type displacement sensor are electrically connected data processing equipment.The utility model has the advantages of simple structure, high-efficient, and cost is relatively low, and the degree of automation is higher, rapidly can carry out accurately automatic detection to hydraulic cylinder travel and pressure, ensure that the outgoing of hydraulic cylinder.
Description
Technical field
The utility model relates to hydraulic cylinder apparatus detection improvement fields, and in particular to a kind of automatic detection system of small-scale liquid cylinder pressure
System.
Background technique
Hydraulic cylinder can convert hydraulic energy to mechanical energy, and have structure simple, and reliable operation moves steady advantage,
Thus all it is widely used in different mechanical systems.
Hydraulic cylinder includes cylinder body and piston rod, and piston rod is slidably mounted in cylinder body, real by the oil liquid of piston rod two sides
Existing piston rod extends and retracts, to drive the equipment connecting with piston rod.In order to guarantee the quality of hydraulic cylinder, it is dispatched from the factory at it
Before need to test, existing test equipment, using the data processing equipment of special data processing equipment, such as single-chip microcontroller etc.,
Hydraulic cylinder is first mounted in the detection device equipped with pressure sensor, the pressure data measured and the data transferred data to
It is handled in processing unit；Then hydraulic cylinder is mounted on equipped with wire-pulling type displacement sensor (for existing test displacement again
The displacement sensor of amount) detection device in, displacement data is measured by the elongation of the electronic ruler of wire-pulling type displacement sensor and will
Data transmission is into data processing equipment, and structure is complicated, and low efficiency is at high cost.It is produced into other producer in order to save
This only carries out the lower test of precision using simple equipment, this just can not accurately verify the parameter of hydraulic cylinder, be unfavorable for
The guarantee of hydraulic cylinder outgoing.The short hydraulic cylinder of some strokes cannot achieve automatic detection after producing, and take time and effort
While also lack quantization data support.
Summary of the invention
To solve the above problems, the purpose of the utility model is to provide a kind of structure is simple, at the same to hydraulic cylinder travel and
Pressure carries out the small-scale liquid cylinder pressure automatic checkout system accurately detected automatically.
The utility model offer small-scale liquid cylinder pressure automatic checkout system, a kind of small-scale liquid cylinder pressure automatic checkout system, including
Pedestal, wire-pulling type displacement sensor, data processing equipment and pressure sensor, which is characterized in that further include pressure sensor device
And baffle, pedestal are equipped with the floor for installing hydraulic cylinder to be measured, baffle and pressure sensor device are all movably mounted at
On pedestal, the pressure sensor device includes answering pressing plate, being mounted on to answer stroke shaft on pressing plate and be mounted on to answer and lean on pressing plate
The pressure sensor of the end face of nearly hydraulic cylinder to be measured, wire-pulling type displacement sensor are mounted on the base, wire-pulling type displacement sensor
Equipped with telescopic for measuring the electronic ruler of the displacement of the piston rod of hydraulic cylinder, electronic ruler connect with baffle, sets on pedestal
There is displacement to support, is equipped with hole corresponding with stroke shaft on displacement support and baffle, the stroke shaft of pressure sensor device passes through
Baffle and displacement support upper corresponding hole, and pressing plate is answered to be close together with baffle, are equipped with spring between baffle and displacement support；Pressure
Force sensor and wire-pulling type displacement sensor are electrically connected data processing equipment；
When work, the piston rod front end of hydraulic cylinder is withstood pressure forward the pressure sensor on sensing device and pushes pressure
Sensing device and baffle move forward together, and electronic ruler is extended with the movement of baffle, and spring-compressed applies anti-make to baffle
Firmly, so that baffle, which is adjacent to, answers pressing plate, and then make that pressing plate is answered to be close to piston rod, pressure sensor generates pressure data, electronic ruler
It is extended with the movement of baffle, so that wire-pulling type displacement sensor generates displacement data, pressure data and displacement data transmission
It is handled into data processing equipment.
Wherein, pressing plate is answered to be mutually perpendicular to piston rod.
Wherein, pressing plate area is answered to be greater than the face area of piston rod.
Wherein, piston rod end face withstands the pressure sensor for being mounted on and answering pressing plate center.
Wherein, stroke shaft is mounted on the center for answering pressing plate.
Wherein, displacement support is mutually parallel and are fixedly mounted on pedestal with baffle.
Wherein, displacement support is shaped in pedestal.
Wherein, baffle is equipped with multiple convex blocks, and pedestal is equipped with multiple guide grooves corresponding with convex block, and convex block is from pedestal
Guide groove in stretch out.
Wherein, described to answer pressing plate and baffle for same plate.
Wherein, spring is set on stroke shaft.
The utility model has the beneficial effects that
The utility model provides a kind of small-scale liquid cylinder pressure automatic checkout system, including pedestal, wire-pulling type displacement sensor, number
According to processing unit and pressure sensor, baffle and pressure sensor device are all movably mounted on pedestal, and the pressure passes
Induction device includes answering pressing plate, being mounted on and answer stroke shaft on pressing plate and be mounted on the end face answered on pressing plate close to hydraulic cylinder to be measured
Pressure sensor, wire-pulling type displacement sensor are mounted on the base, and wire-pulling type displacement sensor is equipped with telescopic for measuring
The electronic ruler of the displacement of the piston rod of hydraulic cylinder, electronic ruler are connect with baffle, pedestal be equipped with displacement support, displacement support and
Hole corresponding with stroke shaft is equipped on baffle, the stroke shaft of pressure sensor device passes through baffle and displacement support is upper corresponding
Hole answers pressing plate to be close together with baffle, is equipped with spring between baffle and displacement support；Pressure sensor device and wire-pulling type displacement
Sensor is electrically connected data processing equipment.Compared to the prior art, the utility model has the advantages of simple structure, high-efficient, cost
Lower, the degree of automation is higher, rapidly can carry out accurately automatic detection to hydraulic cylinder travel and pressure, ensure that hydraulic
The outgoing of cylinder.
Detailed description of the invention
Using attached drawing, the utility model is described in further detail, but the embodiment in attached drawing is not constituted to the utility model
Any restrictions for those of ordinary skill in the art without creative efforts, can also be according to following attached
Figure obtains other attached drawings.
Fig. 1 is the top view of the small-scale liquid cylinder pressure automatic checkout system of the utility model；
Fig. 2 is the enlarged drawing shown in the A as shown in figure 1 of the utility model；
Fig. 3 is the small-scale liquid cylinder pressure automatic checkout system overall structure diagram of the utility model；
Fig. 4 is the pressure sensor device structural schematic diagram of the utility model；
Fig. 5 is the wire-pulling type displacement sensor structure schematic diagram of the utility model；
Fig. 6 is the baffle arrangement schematic diagram of the utility model；
Fig. 7 is the top view of another embodiment of the utility model.
Drawing reference numeral of the Fig. 1 into Fig. 7 is as follows:
1, pedestal；11, guide groove；12, floor；2, hydraulic cylinder；21, piston rod；3, pressure sensor device；31, stroke shaft；
32, pressure sensor；33, pressing plate is answered；4, baffle；41, convex block；5, wire-pulling type displacement sensor；51, electronic ruler；6, spring；7,
Displacement support；8, data processing equipment.
Specific embodiment
The utility model is further described with the following Examples.
As shown in figs. 1 and 3, small-scale liquid cylinder pressure automatic checkout system provided by the utility model, including pedestal 1, pressure pass
Induction device 3, baffle 4, wire-pulling type displacement sensor 5, displacement support 7 and data processing equipment 8, hydraulic cylinder 2 to be measured is by being located at
Floor 12 on pedestal 1 is mounted on pedestal 1, and withstand pressure sensing device 3 for 21 front end of piston rod of hydraulic cylinder 2.In conjunction with Fig. 4 institute
Show, pressure sensor device 3 includes answering pressing plate 33 and stroke shaft 31, stroke shaft 31 and the face for the separate piston rod 21 for answering pressing plate 33
Center connection, answer the connection type between pressing plate 33 and stroke shaft 31 can using be fixedly connected either plug-in type, it is embedded,
The removablies such as threaded connection.Pressing plate 33 is answered to be equipped with the slot installed for pressure sensor 32, pressure sensor 32 is mounted on
In slot, pressure sensor 33 is electrically connected data processing equipment 8.Piston rod 21 is mutually perpendicular to pressing plate 33 is answered, and reduces pressure sensing
Error of the device 32 when measuring pressure.In addition, area of 33 area of pressing plate slightly larger than 21 end face of piston rod is answered, when piston rod 21
It withstands when answering pressing plate 33, the entire end face of piston rod 21 is adjacent to and the face of pressing plate 33 is answered to cover, so that answering pressing plate 33 in piston
The promotion lower stress of bar 21 is more uniform, reduces the error in detection process.
The baffle 4 is equipped with hole corresponding with stroke shaft 31, and stroke shaft 31 passes through the corresponding hole of baffle 4, makes to keep off
Plate 4 is close together with pressing plate 33 is answered, and when piston rod 21 pushes pressure sensor device 3 to move forward, baffle 4 is also passed with pressure
3 synchronizing moving of induction device.The displacement support 7 being parallel to each other with baffle 4 is installed on pedestal 1, is offered and row in displacement support 7
The corresponding hole of journey axis 31, stroke shaft 31 pass through corresponding hole in the displacement of baffle 4 support 7.Stroke shaft 31 is total to displacement support 7
Under same-action, so that pressing plate 33 and baffle 4 is answered to be moveably mounted on pedestal 1, while keeping answering pressing plate 33 and baffle 4 in quilt
Piston rod 21 does not tilt during pushing lower forward movement.Avoid answer pressing plate 33 and/or baffle 4 in the process of moving by
The error caused by tilting.
As shown in Figure 2 and Figure 5, the side wall of pedestal 1 is fixed with wire-pulling type displacement sensor 5 with bolt, and wire-pulling type displacement passes
Sensor 5 is electrically connected data processing equipment 8, and wire-pulling type displacement sensor 5 is equipped with telescopic for measuring the displacement of piston rod 21
The electronic ruler 51 of amount.The end of electronic ruler 51 is fixed on baffle 4, and electronic ruler 51 is extended with the forward movement of baffle 4, is taken out
Wire type displacement sensor 5 generates displacement data, and displacement data is transferred to data processing equipment 8 and is handled.
Stroke shaft 31 is cased with spring 6, and the both ends of spring 6 are respectively held against baffle 4 and displacement support 7, and the promotion of piston rod 21 is answered
During pressing plate 33 and baffle 4, spring 6 compresses, while applying reaction force to baffle 4, so that answering pressing plate 33 in 6 He of spring
Under the action of baffle 4, it is close to movement with piston rod 21 always, accelerated motion when piston rod 21 ejects is avoided, to prevent from answering
Pressing plate 33 be detached from piston rod 21, in order to avoid cause stress sensor 32 can not data measured the case where.It is compressed after completing measurement
Spring 6 is extended with the retraction of piston rod 21 resets baffle 4 and pressure sensor device 3, facilitates subsequent test.It takes out simultaneously
The electronic ruler 51 of wire type displacement sensor 5 also available reset, it is therefore prevented that electronic ruler 51 is crossed to be extended for a long time, avoids wire-pulling type
The case where 5 disabling damage of displacement sensor.Stroke shaft 31 passes through spring 6, does not need that peace is arranged on baffle 4 and displacement support 7
Dress portion, saves resource, improves efficiency.
Data processing equipment 8 preferably uses single-chip microcontroller, while single-chip microcontroller connects the piston rod of solenoid valve control hydraulic cylinder 2 again
21 ejections and retraction.
Specific detection work: hydraulic cylinder 2 is mounted on the base by floor 12 first, connects circuit, software engineer
After being programmed to single-chip microcontroller, pressure sensor 32 and wire-pulling type displacement sensor 5 have been demarcated, has connected the oil circuit of hydraulic cylinder 2, it is single
Piece machine drives battery valve, and the piston rod 21 of hydraulic cylinder 2 ejects, the pressure sensor that piston rod 21 withstands pressure on sensing device 3
32, and push pressure sensor device 3 and baffle 4 together along piston rod 21 eject direction move, electronic ruler 51 with baffle 4 shifting
It is dynamic and extend, meanwhile, spring 6 compresses, and to the application reaction force of baffle 4, which be adjacent to baffle 4 to answer the one of pressing plate 33
A face, answers another face of pressing plate 33 to be close to the piston rod 21 of hydraulic cylinder, and pressure sensor 32 generates pressure data, 51 ruler of electronics
It is extended with the movement of baffle 4, so that wire-pulling type displacement sensor 5 generates displacement data, pressure data and displacement data are passed
It is defeated to be handled into data processing equipment 8.After completing measurement, the piston rod 21 of MCU driving battery valve, hydraulic cylinder 2 is returned
Contracting, under the action of spring 6, baffle 4 and pressure sensor device 3 are returned to original position, wait detection system next time.
As shown in figs. 1 and 6,4 bottom of baffle is set there are two the convex block 41 that extends downwardly, 1 bottom of pedestal be equipped with two with it is convex
The corresponding guide groove 11 of block 41, two convex blocks 41 are slidably inserted in two guide grooves 11, are played guiding sliding to baffle 4 and are made
With increasing the stability in the process of moving of baffle 4.In practice, convex block 41 is readily modified as being located at the both ends of baffle 4, or
The both ends of baffle 4 and pedestal 1 are designed with convex block 41, and the guide groove 11 on pedestal 1 is corresponded to each other with convex block 41.The number of convex block 41
Amount is also possible to multiple, and suitable convex block 41 is selected to increase stability of the baffle 4 in moving process.The insertion of baffle 4 is inserted
The modes such as enter to stretch out from guide groove 11, allows baffle 4 to eject direction along piston rod 21 and move.
As shown in fig. 7, another embodiment: unlike a upper embodiment, baffle and pressing plate being answered to be integrally formed, i.e.,
It answers pressing plate and baffle is same plate.Specifically: directly by the electronic ruler 51 of pressure sensor 32 and wire-pulling type displacement sensor 5
It is all mounted on baffle 4, wherein pressure sensor 32 is mounted on baffle 4 close to the center in the face of piston rod 21.Piston rod
Directly withstand the pressure sensor 32 on baffle 4 and baffle 4 in 21 front ends.Baffle 4 is movably mounted on pedestal 1, and baffle 4 is remote
Face center from piston rod 21 is installed by stroke shaft 31, the mode that stroke shaft 31 is matched with 7 corresponding holes of displacement support, baffle 4
It is equipped with the spring 6 being set in stroke shaft 31 between displacement support 7, spring 6 plays effect same with the above-mentioned embodiment.
Will pressure sensor 32 on the pressure sensor device 3 in a upper embodiment and stroke shaft 31 be directly installed on baffle 4, go
Pressing plate 33 is answered in addition to a upper embodiment.Piston rod 21 is mutually perpendicular to baffle 4, reduces pressure sensor 32 when measuring pressure
The error of time.The area in the face that baffle 4 is contacted with piston rod 21 is slightly larger than the area of 21 end face of piston rod, when piston rod 21 is withstood
When baffle 4, the entire end face of piston rod 21 is adjacent to and is covered by the face of baffle 4, so that answering pressing plate 33 in the promotion of piston rod 21
Lower stress is more uniform, reduces the error in detection process.
Hydraulic cylinder 2 is mounted on the base, driving hydraulic cylinder 2 by specific detection work by floor 12, before piston rod 21
End, which is withstood pressure, sensor 32 and pushes baffle 4, under the collective effect of baffle 4 and spring 6, in baffle 4 as piston rod 21 moves
In dynamic process, be close to 21 end of piston rod, baffle 4 along piston rod 21 eject direction move, electronic ruler 51 with baffle 4 shifting
It moves and extends, meanwhile, spring 6 compresses, and applies active forces to 4 one faces of baffle, so that the another side of baffle 4 is close to piston rod
21, and then pressure sensor 32 generates pressure data, electronic ruler 51 is extended with the movement of baffle 4, so that wire-pulling type is displaced
The data of generation are transferred to data processing by the generation displacement data of sensor 5, pressure sensor 32 and wire-pulling type displacement sensor 5
It is handled in device 8.Present embodiment, which is saved, answers pressing plate 33 for install pressure sensor device 32, more it is simple just
Victory, while the error of frictional force for decreasing the generation for answering pressing plate 33 etc..
Above-mentioned two are the displacement supports 7 in embodiment, can be mounted on pedestal 1, or fixed are welded on
On pedestal 1, or removably it is connected on pedestal 1.It removably can more convenient replacement displacement support 7.It can also be directly
A hole corresponding with stroke shaft 31 is opened up on pedestal 1, it is suitable with 31 phase interworking of stroke shaft, so as to avoid to baffle 4 and/
Or the support and not inclined effect in the process of moving of pressure sensor device 3.
The utility model small-scale liquid cylinder pressure automatic checkout system is described in detail above, it is used herein specifically
A example is expounded the principles of the present invention and embodiment.The above embodiments are only used to help understand originally
The core concept of utility model；At the same time, for those skilled in the art, based on the idea of the present invention, specific
There will be changes in embodiment and application range, in conclusion the content of the present specification should not be construed as to originally practical new
The limitation of type.
Claims (10)
1. a kind of small-scale liquid cylinder pressure automatic checkout system, including pedestal, wire-pulling type displacement sensor, data processing equipment and pressure
Sensor, which is characterized in that further include pressure sensor device and baffle, pedestal is equipped with the rib for installing hydraulic cylinder to be measured
Plate, baffle and pressure sensor device are all movably mounted on pedestal, and the pressure sensor device includes answering pressing plate, installation
It answers on pressing plate answering the stroke shaft on pressing plate and being mounted on close to the pressure sensor of the end face of hydraulic cylinder, wire-pulling type displacement sensing
Device is mounted on the base, and wire-pulling type displacement sensor is equipped with telescopic for measuring the electricity of the displacement of the piston rod of hydraulic cylinder
Sub- ruler, electronic ruler are connect with baffle, and pedestal is equipped with displacement support, are equipped in displacement support and baffle corresponding with stroke shaft
Hole, the stroke shaft of pressure sensor device passes through baffle and displacement supports upper corresponding hole, answer pressing plate to be close together with baffle,
Spring is equipped between baffle and displacement support；Pressure sensor device and wire-pulling type displacement sensor are electrically connected data processing dress
It sets；
When work, piston rod front end is withstood pressure forward the pressure sensor on sensing device and pushes pressure sensor device and gear
Plate moves forward together, and electronic ruler is extended with the movement of baffle, and spring-compressed applies reaction force to baffle, so that baffle
Be adjacent to and answer pressing plate, and then make to answer pressing plate to be close to piston rod, pressure sensor generates pressure data, electronic ruler with baffle movement
And extend, so that wire-pulling type displacement sensor generates displacement data, pressure data and displacement data are transferred to data processing equipment
In handled.
2. a kind of small-scale liquid cylinder pressure automatic checkout system as described in claim 1, which is characterized in that answer pressing plate and piston rod phase
It is mutually vertical.
3. a kind of small-scale liquid cylinder pressure automatic checkout system as described in claim 1, which is characterized in that answer pressing plate area to be greater than and live
The face area of stopper rod.
4. a kind of small-scale liquid cylinder pressure automatic checkout system as claimed in claim 3, which is characterized in that piston rod end face withstands peace
Mounted in the pressure sensor for answering pressing plate center.
5. a kind of small-scale liquid cylinder pressure automatic checkout system as described in claim 1, which is characterized in that stroke shaft, which is mounted on, to press
The center of plate.
6. a kind of small-scale liquid cylinder pressure automatic checkout system as claimed in claim 5, which is characterized in that displacement support and baffle phase
It is mutually parallel and be fixedly mounted on pedestal.
7. a kind of small-scale liquid cylinder pressure automatic checkout system as described in claim 1, which is characterized in that displacement support is integrally formed
In pedestal.
8. a kind of small-scale liquid cylinder pressure automatic checkout system as described in claim 1, which is characterized in that baffle is equipped with multiple convex
Block, pedestal are equipped with multiple guide grooves corresponding with convex block, and convex block is stretched out from the guide groove on pedestal.
9. a kind of small-scale liquid cylinder pressure automatic checkout system as described in claim 1, which is characterized in that described to answer pressing plate and baffle
For same plate.
10. a kind of small-scale liquid cylinder pressure automatic checkout system as described in claim 1 or 9, which is characterized in that spring is to be set in
On stroke shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821762617.7U CN208968590U (en) | 2018-10-29 | 2018-10-29 | A kind of small-scale liquid cylinder pressure automatic checkout system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821762617.7U CN208968590U (en) | 2018-10-29 | 2018-10-29 | A kind of small-scale liquid cylinder pressure automatic checkout system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208968590U true CN208968590U (en) | 2019-06-11 |
Family
ID=66760690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821762617.7U Expired - Fee Related CN208968590U (en) | 2018-10-29 | 2018-10-29 | A kind of small-scale liquid cylinder pressure automatic checkout system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208968590U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022393A (en) * | 2019-12-04 | 2020-04-17 | 安徽爱瑞特新能源专用汽车股份有限公司 | Hydraulic station testing fixture |
| CN115217817A (en) * | 2022-09-20 | 2022-10-21 | 济宁鲁威液压科技股份有限公司 | Hydraulic cylinder balance test system and test method |
-
2018
- 2018-10-29 CN CN201821762617.7U patent/CN208968590U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022393A (en) * | 2019-12-04 | 2020-04-17 | 安徽爱瑞特新能源专用汽车股份有限公司 | Hydraulic station testing fixture |
| CN115217817A (en) * | 2022-09-20 | 2022-10-21 | 济宁鲁威液压科技股份有限公司 | Hydraulic cylinder balance test system and test method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190611 Termination date: 20191029 |