CN108317110A - Built-in magnetostrictive displacement booster - Google Patents
Built-in magnetostrictive displacement booster Download PDFInfo
- Publication number
- CN108317110A CN108317110A CN201810241370.2A CN201810241370A CN108317110A CN 108317110 A CN108317110 A CN 108317110A CN 201810241370 A CN201810241370 A CN 201810241370A CN 108317110 A CN108317110 A CN 108317110A
- Authority
- CN
- China
- Prior art keywords
- hydraulic fluid
- fluid port
- built
- sliding chamber
- ontology
- 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
Links
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 36
- 239000012530 fluid Substances 0.000 claims abstract description 49
- 238000010276 construction Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 239000003921 oil Substances 0.000 description 35
- 239000000446 fuel Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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
- F15B3/00—Intensifiers or fluid-pressure converters, e.g. pressure exchangers; Conveying pressure from one fluid system to another, without contact between the fluids
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Actuator (AREA)
Abstract
The present invention discloses a kind of built-in magnetostrictive displacement booster comprising：Body construction, it includes ontology and placket with the first sliding chamber, and the second sliding chamber first in placket slides chamber, and preceding tube rear end is equipped with plug, plug is equipped with the oil outlet with the second sliding chamber, passes through the external pressure gauge of oil outlet and/or oil cylinder；Piston rod, including piston portion and the body of rod, piston portion are placed in the first sliding chamber, and the body of rod stretches into the second sliding chamber；Built-in magnetostrictive displacement sensor, including be installed in the magnet ring of piston portion front end and across the magnet ring and stretch into the measuring staff in the sliding slot being arranged in piston rod, measuring staff front end is fixed with ontology sealing, and interval is each formed between measuring staff and magnet ring and sliding slot inner wall；The ontology rear and front end is respectively equipped with the first, second hydraulic fluid port of perforation the first sliding chamber, and ontology rear end is additionally provided with third hydraulic fluid port, which is equipped with the 4th hydraulic fluid port that is corresponding with third hydraulic fluid port and being connected to the second sliding chamber.
Description
Technical field：
The present invention relates to charger product technical fields, refer in particular to a kind of built-in magnetostrictive displacement booster.
Background technology：
Oil cylinder be oil pressure can be changed into mechanical energy, the oil pressure that does straight reciprocating motion (or pendulum motion) executes member
Part.Its simple in structure, reliable operation.Deceleration device when realizing reciprocating motion, can be removed from it, and do not have drive gap,
Stable movement, therefore be used widely in the oil hydraulic system of various machineries.
Oil cylinder in use, sometimes needs to be pressurized, to meet processing request.It then needs that increasing is installed outside oil cylinder
Depressor needs in addition to add in outside for being pressurized the oil cylinder however, booster in the prior art will measure travel displacement
Displacement sensor is filled, causes supercharger structure huge, complicated, and measurement result is unstable.
In view of this, the present inventor proposes following technical scheme.
Invention content：
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of built-in magnetostrictive displacement boosters.
In order to solve the above-mentioned technical problem, present invention employs following technical proposals：The built-in magnetostrictive displacement increases
Depressor includes：Body construction comprising slide the ontology of chamber with first and be installed on the placket of ontology rear end, the placket
In the second sliding chamber the first sliding chamber, and the preceding tube rear end is provided with plug, is provided on the plug and the
The oil outlet of two sliding chambers, passes through the external pressure gauge of the oil outlet and/or oil cylinder；Piston rod comprising piston portion with
And the body of rod of piston portion rear end is taken shape in, which is placed in the first sliding chamber, which stretches into the second sliding chamber
In；Built-in magnetostrictive displacement sensor comprising be installed in the magnet ring of piston portion front end and across the magnet ring and stretch into
Measuring staff in the sliding slot being arranged in the piston rod, the measuring staff front end are fixed with ontology sealing, and the measuring staff and magnet ring and sliding slot
Interval is each formed between inner wall；The ontology rear and front end is respectively equipped with the first hydraulic fluid port and second of perforation the first sliding chamber
Hydraulic fluid port, the ontology rear end are additionally provided with third hydraulic fluid port, the placket front end be provided with it is corresponding with the third hydraulic fluid port and be connected to this second
Slide the 4th hydraulic fluid port of chamber；The body of rod rear end is provided with oil guide groove, and in the initial state, which is placed in the piston rod
Below 4th hydraulic fluid port, after which moves backward, which blocks the 4th hydraulic fluid port.
Furthermore, in above-mentioned technical proposal, the ontology and placket, piston rod, built-in magnetostrictive displacement
The center and/or axle center of sensor are on the same straight line.
Furthermore, in above-mentioned technical proposal, the piston portion front end is provided with a mounting groove, and the magnet ring is embedded in
In the mounting groove, and locked by screw.
Furthermore, in above-mentioned technical proposal, the ontology rear end is provided with the first stepped groove, and the placket front end is set
It is equipped with the second stepped groove, which is docked by second stepped groove with the first stepped groove of the ontology rear end, and passes through a spiral shell
Mother's locking.
Furthermore, in above-mentioned technical proposal, the nut, which is inlayed, to be fixed in first stepped groove；Before the placket
End is fixed with the nut by spiral.
Furthermore, in above-mentioned technical proposal, placket front end outer wall is provided with the first, second O-ring, this
One, the second O-ring is respectively placed in the 4th hydraulic fluid port both sides, and first sliding cavity of first, second O-ring and the ontology
Room rear end inner wall, which squeezes, to be in close contact.
Furthermore, in above-mentioned technical proposal, the placket in second sliding chamber front inner wall be provided with for
The first, second axle oil envelope of the body of rod contact, first, second axle oil envelope are respectively placed in the 4th hydraulic fluid port both sides.
Furthermore, in above-mentioned technical proposal, the piston portion periphery is provided with wear ring and piston oil seal, this is resistance to
Bull ring and piston oil seal are contacted with the first sliding chamber inner wall.
Furthermore, in above-mentioned technical proposal, first hydraulic fluid port, the second hydraulic fluid port, third hydraulic fluid port longitudinal section be in
By the combined shaped of outer imperial palace small isosceles trapezoid and rectangle.
Furthermore, in above-mentioned technical proposal, the rectangular in cross-section of the ontology.
After adopting the above technical scheme, the present invention has the advantages that compared with prior art：
1, when present invention work, body construction is by the oil outlet external pipeline on plug with for oil cylinder fuel feeding.It is specific and
Speech is the second sliding chamber oiling by third hydraulic fluid port and the 4th hydraulic fluid port, with this to external oil cylinder fuel feeding.When needing to be pressurized
When, by the first hydraulic fluid port oiling on ontology to force the piston rod to move backward, after which moves backward, the piston
Bar blocks the 4th hydraulic fluid port, so that the second sliding chamber is become sealed chamber with this, as the body of rod in piston rod constantly stretches into
Second sliding chamber, to squeeze the oil in the second sliding chamber, the effect of to reach supercharging.At the same time, built-in mangneto
Telescopic displacement sensor can be accurately detected the displacement of piston rod movement, to compare the piston rod displacement distance in oil cylinder, such as two
Person's numerical value is equal, then illustrates that such as the two numerical value is unequal, then illustrates builtin voltage of the present invention and go out without interior leakage inside the present invention
Leakage phenomenon in existing ensures the quality of the invention being pressurized with this.
2, since the present invention is that built-in magnetostrictive displacement sensor is installed on ontology and piston rod inner, not only may be used
Opposite outer of the present invention is set to add the mode of sensor, volume can be made smaller, and structure also becomes simple, and measurement structure
Stablize, precision height, enables the present invention that there is the extremely strong market competitiveness.
Description of the drawings：
Fig. 1 is the front view of the present invention；
Fig. 2 is the sectional view of the present invention；
Fig. 3 is the close-up schematic view of part A in Fig. 2；
Fig. 4 is the close-up schematic view of part B in Fig. 2.
Specific implementation mode：
With reference to specific embodiments and the drawings, the present invention is further described.
See shown in Fig. 1-4, be a kind of built-in magnetostrictive displacement booster comprising：Body construction 100 and installation
Piston rod 4 in body construction 100 and built-in magnetostrictive displacement sensor 5.
The body construction 100 includes sliding the ontology 1 of chamber 11 with first and being installed on the placket of 1 rear end of ontology
2, the second sliding chamber 21 in the placket 2 is connected to the first sliding chamber 11, and 2 rear end of placket is provided with plug 3, this is stifled
It is provided with the oil outlet 31 being connected to the second sliding chamber 21 on first 3, passes through the 31 external pressure gauge of oil outlet and/or oil cylinder.
The rectangular in cross-section of the ontology 1 is easily installed use.
1 rear and front end of the ontology is respectively equipped with the first hydraulic fluid port 12 and the second hydraulic fluid port 13 of perforation the first sliding chamber 11,
1 rear end of ontology is additionally provided with third hydraulic fluid port 14,2 front end of placket be provided with it is corresponding with the third hydraulic fluid port 14 and be connected to this second
The 4th hydraulic fluid port 22 of chamber 21 is slided, which docks with the 4th hydraulic fluid port 22.
First hydraulic fluid port 12, the second hydraulic fluid port 13, third hydraulic fluid port 14 longitudinal section be in by the small isosceles trapezoid of outer imperial palace
With the combined shaped of rectangle.
1 rear end of the ontology is provided with the first stepped groove 15, and 2 front end of the placket is provided with the second stepped groove, the placket 2
It is docked with the first stepped groove 15 of 1 rear end of ontology by second stepped groove, and is locked by a nut 23, before being ensured with this
Cylinder 2, which is stablized, is installed on 1 rear end of ontology.Wherein, the nut 23, which is inlayed, is fixed in first stepped groove 15；The placket 2
Front end is fixed with the nut 23 by spiral.
2 front end outer wall of the placket is provided with the first, second O-ring 24,25, first, second O-ring 24,25 difference
It is placed in 22 both sides of the 4th hydraulic fluid port, and first 11 rear end of sliding chamber of first, second O-ring 24,25 and the ontology 1
Inner wall, which squeezes, to be in close contact, and is ensured 2 front end outer wall of placket and 1 rear end inner wall tight structure of ontology with this, is ensured to assemble between it
Leakproofness.
The piston rod 4 includes piston portion 41 and takes shape in the body of rod 42 of 41 rear end of piston portion, which is placed in
The first sliding chamber 11, which stretches into the second sliding chamber 21, and is formed in sealing contact；Wherein, the body of rod
42 rear ends are provided with oil guide groove 421, and in the initial state, which is placed in 22 lower section of the 4th hydraulic fluid port to the piston rod 4,
After the piston rod 4 moves backward, which blocks the 4th hydraulic fluid port 22, so that the second sliding chamber 21 is become seal chamber with this
Room.
The placket 2 is provided with first, for being contacted with the body of rod 42 in the second sliding 21 front inner wall of chamber
Two axle oils envelope 26,27, first, second axle oil envelope 26,27 are respectively placed in 22 both sides of the 4th hydraulic fluid port, this first, the
Two axle oils envelope 26,27 is in sealing contact with 42 outer surface of the body of rod, and the seal of the second sliding chamber 21 is further ensured that with this.
41 periphery of the piston portion is provided with wear ring 412 and piston oil seal 413, the wear ring 412 and piston oil seal
413 contact with the first sliding 11 inner wall of chamber.
The built-in magnetostrictive displacement sensor 5 includes being installed in the magnet ring 51 of 41 front end of piston portion and passing through to be somebody's turn to do
Magnet ring 51 simultaneously stretches into the measuring staff 52 in the sliding slot 40 being arranged in the piston rod 4, which fixes with the sealing of ontology 1,
And interval is each formed between 40 inner wall of the measuring staff 52 and magnet ring 51 and sliding slot, realize the position of non-contact type detection piston rod movement
It moves, ensures the stability of product operation；41 front end of the piston portion is provided with a mounting groove 411, and the magnet ring 51 is embedded in this
In mounting groove 411, and locked by screw.Due to having no and being in direct contact as the magnet ring and measuring staff that determine position, this is interior
It sets formula magnetostrictive displacement sensor 5 to can be applicable in most evil bad industrial environment, be not easy by oil stain, solution, dust or other
The influence of pollution.Even if power interruptions, reclosing, data will not lose, and there are no must be zeroed again.Since measuring staff is non-contact
, even if constantly repeating to detect, any abrasion will not be caused to sensor, can greatly be improved the reliability of detection and be made
With the service life, and have many advantages, such as high-precision, high stability, high reliability.
The ontology 1 and placket 2, piston rod 4, the center of built-in magnetostrictive displacement sensor 5 and/or axle center are equal
On the same line, ensure the stability and smoothness of product operation with this.
When the present invention works, body construction 100 is by 31 external pipeline of oil outlet on plug 3 with for oil cylinder fuel feeding.Tool
It is the second sliding chamber oiling by third hydraulic fluid port 14 and the 4th hydraulic fluid port 22, with this to external oil cylinder fuel feeding for body.When need
When being pressurized, by 12 oiling of the first hydraulic fluid port on ontology 1 to force the piston rod 4 mobile (towards the direction of plug 3) backward,
After the piston rod 4 moves backward, which blocks the 4th hydraulic fluid port 22, so that the second sliding chamber 21 is become seal chamber with this
Room, as the body of rod 42 in piston rod 4 constantly stretches into the second sliding chamber 21, to squeeze the oil in the second sliding chamber 21,
The effect of to reach supercharging.At the same time, built-in magnetostrictive displacement sensor 5 can be accurately detected the movement of piston rod 4
Displacement, to compare the piston rod displacement distance in oil cylinder, both such as numerical value is equal, then illustrates inside the present invention without interior leakage,
If the two numerical value is unequal, then illustrates builtin voltage of the present invention and interior leakage phenomenon occur, the matter of the invention being pressurized is ensured with this
Amount.
Since the present invention is that built-in magnetostrictive displacement sensor 5 is installed on ontology and piston rod inner, not only may be used
Opposite outer of the present invention is set to add the mode of sensor, volume can be made smaller, and structure also becomes simple, and measurement structure
Stablize, precision height, enables the present invention that there is the extremely strong market competitiveness.
Certainly, the above is only a specific embodiment of the present invention, be not to limit the scope of the present invention, it is all according to
The equivalent change or modification that structure, feature and principle described in scope of the present invention patent is done should all be included in Shen of the present invention
It please be in the scope of the claims.
Claims (10)
1. built-in magnetostrictive displacement booster, it is characterised in that：It includes：
Body construction 100 comprising before there is the ontology (1) of the first sliding chamber (11) and be installed on ontology (1) rear end
Cylinder (2), the second sliding chamber (21) in the placket (2) is connected to the first sliding chamber (11), and placket (2) rear end is arranged
There is plug (3), the oil outlet (31) being connected to the second sliding chamber (21) is provided on the plug (3), passes through the oil outlet
(31) external pressure gauge and/or oil cylinder；
Piston rod (4) comprising piston portion (41) and the body of rod (42) for taking shape in piston portion (41) rear end, the piston portion (41)
It is placed in the first sliding chamber (11), which stretches into the second sliding chamber (21)；
Built-in magnetostrictive displacement sensor (5) comprising be installed in the magnet ring (51) of piston portion (41) front end and pass through
The magnet ring (51) simultaneously stretches into the measuring staff (52) in the sliding slot (40) being arranged in the piston rod (4), measuring staff (52) front end and sheet
Body (1) sealing is fixed, and is each formed with interval between the measuring staff (52) and magnet ring (51) and sliding slot (40) inner wall；
Ontology (1) rear and front end is respectively equipped with the first hydraulic fluid port (12) and the second hydraulic fluid port of the first sliding chamber (11) of perforation
(13), which is additionally provided with third hydraulic fluid port (14), and it is right with the third hydraulic fluid port (14) which is provided with
It should and be connected to the 4th hydraulic fluid port (22) of the second sliding chamber (21)；The body of rod (42) rear end is provided with oil guide groove (421), should
In the initial state, which is placed in below the 4th hydraulic fluid port (22) piston rod (4), which moves backward
Afterwards, which blocks the 4th hydraulic fluid port (22).
2. built-in magnetostrictive displacement booster according to claim 1, it is characterised in that：The ontology (1) and
Placket (2), piston rod (4), the center of built-in magnetostrictive displacement sensor (5) and/or axle center are on the same straight line.
3. built-in magnetostrictive displacement booster according to claim 1, it is characterised in that：Before the piston portion (41)
End is provided with a mounting groove (411), and the magnet ring (51) is embedded in the mounting groove (411), and is locked by screw.
4. built-in magnetostrictive displacement booster according to claim 1, it is characterised in that：Ontology (1) rear end
It is provided with the first stepped groove (15), placket (2) front end is provided with the second stepped groove, which passes through second ladder
Slot is docked with the first stepped groove (15) of ontology (1) rear end, and is locked by a nut (23).
5. built-in magnetostrictive displacement booster according to claim 4, it is characterised in that：The nut (23) is inlayed
It is fixed in first stepped groove (15)；Placket (2) front end is fixed with the nut (23) by spiral.
6. built-in magnetostrictive displacement booster according to claim 1, it is characterised in that：Placket (2) front end
Outer wall is provided with the first, second O-ring (24,25), which is respectively placed in the 4th hydraulic fluid port
(22) both sides, and first sliding chamber (11) rear end inner wall of first, second O-ring (24,25) and the ontology (1) squeezes
It is in close contact.
7. built-in magnetostrictive displacement booster according to claim 6, it is characterised in that：The placket (2) is in
Two sliding chamber (21) front inner walls are provided with the envelope of the first, second axle oil for being contacted with the body of rod (42) (26,27),
First, second axle oil envelope (26,27) is respectively placed in the 4th hydraulic fluid port (22) both sides.
8. built-in magnetostrictive displacement booster according to claim 1, it is characterised in that：The piston portion (41) is outside
It encloses and is provided with wear ring (412) and piston oil seal (413), the wear ring (412) and piston oil seal (413) are with described first
Slide the contact of chamber (11) inner wall.
9. built-in magnetostrictive displacement booster according to any one of claims 1 to 8, it is characterised in that：Described
One hydraulic fluid port (12), the second hydraulic fluid port (13), third hydraulic fluid port (14) longitudinal section be in by the small isosceles trapezoid of outer imperial palace and rectangle
Combined shaped.
10. according to claim 1-8 any one the built-in magnetostrictive displacement booster, it is characterised in that：Institute
State the rectangular in cross-section of ontology (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810241370.2A CN108317110B (en) | 2018-03-22 | 2018-03-22 | Built-in magnetostriction displacement supercharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810241370.2A CN108317110B (en) | 2018-03-22 | 2018-03-22 | Built-in magnetostriction displacement supercharger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108317110A true CN108317110A (en) | 2018-07-24 |
| CN108317110B CN108317110B (en) | 2023-12-05 |
Family
ID=62899668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810241370.2A Active CN108317110B (en) | 2018-03-22 | 2018-03-22 | Built-in magnetostriction displacement supercharger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108317110B (en) |
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| CN204646850U (en) * | 2015-05-18 | 2015-09-16 | 无锡亿利大机械有限公司 | There is the hydraulic jack of displacement transducer |
| CN106224320A (en) * | 2016-09-12 | 2016-12-14 | 天津大学 | Inbuilt displacement sensor integrated form list rod symmetrical hydraulic cylinder |
| CN208057542U (en) * | 2018-03-22 | 2018-11-06 | 东莞市嘉刚机电科技发展有限公司 | Built-in magnetostrictive displacement booster |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10060898A1 (en) * | 1999-12-07 | 2001-07-26 | Tokico Ltd | Solenoid device for hydraulic shock absorber in vehicle suspension system, has actuator formed in either ends with hydraulic fluid chambers connected by passage so that pressure inside the chambers are equal mutually |
| JP2001248578A (en) * | 2000-03-02 | 2001-09-14 | Tochigi Fuji Ind Co Ltd | Fluid machine |
| JP2007161149A (en) * | 2005-12-15 | 2007-06-28 | Hitachi Ltd | Control booster |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108317110B (en) | 2023-12-05 |
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