CN108412840A - A kind of built-in sensors oil cylinder - Google Patents
A kind of built-in sensors oil cylinder Download PDFInfo
- Publication number
- CN108412840A CN108412840A CN201810403647.7A CN201810403647A CN108412840A CN 108412840 A CN108412840 A CN 108412840A CN 201810403647 A CN201810403647 A CN 201810403647A CN 108412840 A CN108412840 A CN 108412840A
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- sensor
- cylinder
- fixed
- piston rod
- oil cylinder
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 206010063493 Premature ageing Diseases 0.000 description 1
- 208000032038 Premature aging Diseases 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/28—Means for indicating the position, e.g. end of stroke
- F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
- F15B15/2869—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT using electromagnetic radiation, e.g. radar or microwaves
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Toxicology (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
Abstract
The present invention discloses a kind of built-in sensors oil cylinder, it is fixed including cylinder barrel, cylinder bottom, piston rod, sensor installation, sensor is fixed with by sensor fixing nut at the cylinder bottom center of cylinder barrel, waveguide one end of sensor is arranged with reaction magnetic ring, and reaction magnetic ring is fixed on the piston rod of oil cylinder by screw.Sensor screw thread or other methods are fixed on cylinder tube bottom by the present invention, and it is designed with sealing and prevents oil liquid leakage function, it can bear high and low pressure, reaction magnetic ring is mounted on mobile piston rod class body, and it is provided with the slot of diameter and length more than waveguide diameters and length on the piston rod, to realize measurement function of the sensor in installation built in oil cylinder, sensor, which is mounted on inside oil cylinder, increases safety in utilization, reliability, convenience.
Description
Technical field
The invention belongs to oil cylinder fields, are related to a kind of built-in sensors oil cylinder.
Background technology
It is mostly common with external in oil cylinder stroke detection design structure, but outlet structure is subject to wind day
It shines, artificial or non-artificial destruction, causes sensor premature aging, damage so that working performance declines, and frequency of maintenance increases, and adds
Large resource wastes.Composed structure of the sensor inside the oil cylinder is devised therefrom, because sensor is inside oil cylinder, institute
Corresponding safeguard protection can be obtained, to increase service life, frequency of maintenance is reduced, reduces the wasting of resources, increases oil cylinder work
Make reliability.
Invention content
The purpose of the present invention is to provide a kind of built-in sensors oil cylinders, and sensor screw thread or other methods are fixed on
Cylinder barrel bottom, and there is sealing to prevent oil liquid leakage function, high and low pressure can be born, reaction magnetic ring is mounted on mobile piston rod class
On body, and it is provided with the slot of diameter and length more than waveguide diameters and length on the piston rod, to realize sensor in oil cylinder
Measurement function when installation is set, sensor, which is mounted on inside oil cylinder, increases safety in utilization, reliability, convenience.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of built-in sensors oil cylinder, including cylinder barrel are fixed with by sensor fixing nut at the cylinder bottom center of cylinder barrel
Waveguide one end of sensor, sensor is arranged with reaction magnetic ring, and reaction magnetic ring is fixed on by screw on the piston rod of oil cylinder；
It is provided with fixing groove in the middle part of the cylinder bottom surface of cylinder barrel, the slot bottom of fixing groove is provided with the mounting hole being through in cylinder barrel cylinder, passes
Sensor is mounted in mounting hole while the waveguide of sensor is located at across mounting hole inside cylinder barrel；Sensor is fixed simultaneously
Nut is fixed in fixing groove, and the electric wire of sensor passes through the middle part of sensor fixing nut；
The cylinder bottom bottom of cylinder barrel is fixed with cylinder bottom by screw, and buckling groove is provided at the centre of surface of cylinder bottom, and sensor is solid
The one end for determining nut is fixedly clamped in buckling groove, and the side wall of cylinder bottom is provided with the logical wire casing for extending to buckling groove slot bottom, and electric wire is worn
It crosses after sensor fixing nut after being through to logical wire casing by buckling groove and stretches out cylinder bottom.
Further, the top of cylinder barrel is equipped with sealing ring, is arranged in sealing ring and is fixed with seal washer, piston rod is sheathed on
In seal washer, while connecting with the wall outer surface of seal washer compression.
Further, cylinder bottom side wall, which is located at logical wire casing, is mounted with waterproof cable connector, and electric wire passes through logical wire casing
Afterwards cylinder bottom is fixed on by waterproof cable connector.
Beneficial effects of the present invention：
The present invention is can suitably to reduce exterior contour size after installing sensor internal with waterproof, anticollision, reduce
The drawbacks of frequently repair because of sensor fault.
Sensor screw thread or other methods are fixed on cylinder tube bottom by the present invention, and have sealing to prevent oil liquid leakage
Function can bear high and low pressure, and reaction magnetic ring is mounted on mobile piston rod class body, and is provided with diameter and length on the piston rod
Degree is more than the slot of waveguide diameters and length, to realize measurement function of the sensor in installation built in oil cylinder, sensor installation
Increase safety in utilization, reliability, convenience inside oil cylinder.
Description of the drawings
The present invention will be further described below with reference to the drawings.
Fig. 1 is built-in sensors cylinder structure schematic diagram of the present invention；
Fig. 2 is cylinder structure schematic diagram of the present invention；
Fig. 3 is inventive sensor structural schematic diagram；
Fig. 4 is inventive piston rod structure schematic diagram；
Fig. 5 is bottom structure schematic diagram of the present invention.
Specific implementation mode
A kind of built-in sensors oil cylinder is consolidated at the cylinder bottom center of cylinder barrel 1 by sensor as shown in Figure 1, including cylinder barrel 1
Determine nut 2 and be fixed with sensor 3,31 one end of waveguide of sensor 3 is arranged with reaction magnetic ring 4, and reaction magnetic ring 4 is solid by screw
Due on the piston rod 5 of oil cylinder；
As shown in Figure 2 and Figure 3, it is provided with fixing groove 11 in the middle part of the cylinder bottom surface of cylinder barrel 1, the slot bottom of fixing groove 11, which is provided with, to be through to
Mounting hole 12 in cylinder barrel 1, sensor 3 is mounted in mounting hole 12 while the waveguide 31 of sensor 3 passes through installation
Hole is located inside cylinder barrel 1, and sliding groove 51 is provided at the end center of piston rod 5, and the waveguide 31 of sensor 3 is located at sliding groove 51
In, while the length of 3 waveguide 31 of sensor is less than the depth of sliding groove 51, and the diameter of waveguide 31 is less than sliding groove 51
Diameter；Sensor fixing nut 2 is fixed in fixing groove 11 simultaneously, and the electric wire 32 of sensor 3 passes through sensor fixing nut 2
Middle part；Reaction magnetic ring 4 is driven to move together in 5 moving process of piston rod, the magnetic field and wave that reaction magnetic ring 4 generates when moving
When 31 internal magnetic field of conduit intersects, due to magnetostrictive effect, the mechanical wave impulse letter of a strain is will produce in waveguide 31
Number, the mechanical wave pulse signal of this strain is transmitted with fixed speed of sound, is then detected by, and realizes that piston rod 1 moves position
The accurate measurement moved；
As shown in Figure 4, Figure 5, the top of cylinder barrel 1 is equipped with sealing ring 13, is arranged in sealing ring 13 and is fixed with seal washer 6,
Piston rod 5 is sheathed in seal washer 6, while being connected with the wall outer surface of seal washer 6 compression, while seal washer 6 is real
The sealing of existing piston rod 5 is fixed；The side wall of cylinder barrel 1 is opened there are two oil inlet 14, and piston rod 5 is kept by 14 oil inlet of oil inlet
Proper motion；
The cylinder bottom bottom of cylinder barrel 1 is fixed with cylinder bottom 7 by screw, and buckling groove 71 is provided at the centre of surface of cylinder bottom 7, sensing
One end of device fixing nut 2 is fixedly clamped in buckling groove 71, and the side wall of cylinder bottom 7 is provided with the logical line for extending to 71 slot bottom of buckling groove
Slot 72, electric wire 32 stretch out cylinder bottom 7,7 side of cylinder bottom after being through to logical wire casing 72 by buckling groove 71 after sensor fixing nut 2
Wall, which is located at logical wire casing 72, is mounted with waterproof cable connector 8, and electric wire 32 passes through logical wire casing 72 thick solid by cable waterproof
Determine first 8 and be fixed on cylinder bottom 7, prevents electric wire 32 from shaking, while preventing water from entering in oil cylinder from logical wire casing 72；
The specific work process of the oil cylinder is：
Piston rod 1 moves when use, and reaction magnetic ring 4 is driven to move, the magnetic field and wave that reaction magnetic ring 4 generates when moving
When 31 internal magnetic field of conduit intersects, due to magnetostrictive effect, the mechanical wave impulse letter of a strain is will produce in waveguide 31
Number, the mechanical wave pulse signal of this strain is transmitted with fixed speed of sound, is then detected by, and then determine piston rod 1
Moving displacement.
Above content is only to structure of the invention example and explanation, affiliated those skilled in the art couple
Described specific embodiment does various modifications or additions or substitutes by a similar method, without departing from invention
Structure or beyond the scope defined by this claim, is within the scope of protection of the invention.
Claims (3)
1. a kind of built-in sensors oil cylinder, which is characterized in that including cylinder barrel (1), pass through sensor at the cylinder bottom center of cylinder barrel (1)
Fixing nut (2) is fixed with sensor (3), and waveguide (31) one end of sensor (3) is arranged with reaction magnetic ring (4), incudes magnetic
Ring (4) is fixed on by screw on the piston rod (5) of oil cylinder；
It is provided with fixing groove (11) in the middle part of the cylinder bottom surface of cylinder barrel (1), the slot bottom of fixing groove (11), which is provided with, to be through in cylinder barrel (1) cylinder
Mounting hole (12), sensor (3) is mounted in mounting hole (12) while the waveguide (31) of sensor (3) passes through mounting hole
It is internal positioned at cylinder barrel (1)；Sensor fixing nut (2) is fixed in fixing groove (11) simultaneously, and the electric wire (32) of sensor (3) is worn
Cross the middle part of sensor fixing nut (2)；
The cylinder bottom bottom of cylinder barrel (1) is fixed with cylinder bottom (7) by screw, and buckling groove (71) is provided at the centre of surface of cylinder bottom (7),
One end of sensor fixing nut (2) is fixedly clamped in buckling groove (71), and the side wall of cylinder bottom (7), which is provided with, extends to buckling groove
(71) the logical wire casing (72) of slot bottom, electric wire (32) are through to logical line after sensor fixing nut (2) by buckling groove (71)
Slot (72) stretches out cylinder bottom (7) afterwards.
2. a kind of built-in sensors oil cylinder according to claim 1, which is characterized in that the top of cylinder barrel (1) is equipped with sealing
Ring (13) is arranged in sealing ring (13) and is fixed with seal washer (6), and piston rod (5) is sheathed in seal washer (6), while with
The wall outer surface compression of seal washer (6) connects.
3. a kind of built-in sensors oil cylinder according to claim 1, which is characterized in that cylinder bottom (7) side wall is located at logical wire casing
(72) waterproof cable connector (8) is mounted at, electric wire (32), which passes through, to be led to after wire casing (72) by waterproof cable connector
(8) it is fixed on cylinder bottom (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810403647.7A CN108412840A (en) | 2018-04-28 | 2018-04-28 | A kind of built-in sensors oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810403647.7A CN108412840A (en) | 2018-04-28 | 2018-04-28 | A kind of built-in sensors oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108412840A true CN108412840A (en) | 2018-08-17 |
Family
ID=63137407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810403647.7A Pending CN108412840A (en) | 2018-04-28 | 2018-04-28 | A kind of built-in sensors oil cylinder |
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| Country | Link |
|---|---|
| CN (1) | CN108412840A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201297304Y (en) * | 2008-10-07 | 2009-08-26 | 江苏武进液压启闭机有限公司 | Plunger oil cylinder of hydraulic hoist with travel detection device placed inside |
| CN101922483A (en) * | 2010-07-12 | 2010-12-22 | 无锡市长江液压缸厂 | Short-range pressure-retaining high-pressure heavy hydraulic cylinder with built-in linear displacement sensor |
| CN201982406U (en) * | 2010-07-12 | 2011-09-21 | 无锡市长江液压缸厂 | Short-range pressure-retaining high-pressure heavy-duty hydraulic cylinder with built-in linear-displacement sensor |
| CN202251222U (en) * | 2011-10-14 | 2012-05-30 | 沈阳矿山机械有限公司 | Anti-explosion hydrocylinder for tunnelling machine |
| US20130263733A1 (en) * | 2010-12-21 | 2013-10-10 | Smc Corporation | Position detecting device for fluid pressure cylinder |
| CN104165171A (en) * | 2014-07-30 | 2014-11-26 | 三一重工股份有限公司 | Sensor protecting device, oil cylinder and engineering machine |
| CN104595282A (en) * | 2015-01-27 | 2015-05-06 | 中煤科工集团重庆研究院有限公司 | Hydraulic cylinder internally provided with magnetostrictive displacement sensor |
| CN104632779A (en) * | 2015-01-22 | 2015-05-20 | 山东隆源液压科技有限公司 | Hydraulic intelligent oil cylinder for loader arm |
| CN208169247U (en) * | 2018-04-28 | 2018-11-30 | 安徽唐兴机械装备有限公司 | A kind of built-in sensors oil cylinder |
-
2018
- 2018-04-28 CN CN201810403647.7A patent/CN108412840A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201297304Y (en) * | 2008-10-07 | 2009-08-26 | 江苏武进液压启闭机有限公司 | Plunger oil cylinder of hydraulic hoist with travel detection device placed inside |
| CN101922483A (en) * | 2010-07-12 | 2010-12-22 | 无锡市长江液压缸厂 | Short-range pressure-retaining high-pressure heavy hydraulic cylinder with built-in linear displacement sensor |
| CN201982406U (en) * | 2010-07-12 | 2011-09-21 | 无锡市长江液压缸厂 | Short-range pressure-retaining high-pressure heavy-duty hydraulic cylinder with built-in linear-displacement sensor |
| US20130263733A1 (en) * | 2010-12-21 | 2013-10-10 | Smc Corporation | Position detecting device for fluid pressure cylinder |
| CN202251222U (en) * | 2011-10-14 | 2012-05-30 | 沈阳矿山机械有限公司 | Anti-explosion hydrocylinder for tunnelling machine |
| CN104165171A (en) * | 2014-07-30 | 2014-11-26 | 三一重工股份有限公司 | Sensor protecting device, oil cylinder and engineering machine |
| CN104632779A (en) * | 2015-01-22 | 2015-05-20 | 山东隆源液压科技有限公司 | Hydraulic intelligent oil cylinder for loader arm |
| CN104595282A (en) * | 2015-01-27 | 2015-05-06 | 中煤科工集团重庆研究院有限公司 | Hydraulic cylinder internally provided with magnetostrictive displacement sensor |
| CN208169247U (en) * | 2018-04-28 | 2018-11-30 | 安徽唐兴机械装备有限公司 | A kind of built-in sensors oil cylinder |
Non-Patent Citations (1)
| Title |
|---|
| 郭猛: "《内置磁致伸缩位移传感器的推移油缸设计》", 《煤矿机械》, vol. 35, no. 04, 30 April 2014 (2014-04-30), pages 30 - 31 * |
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Address after: 232000 Shangyao Town Industrial Zone, Datong District, Huainan City, Anhui Province Applicant after: Anhui tangxing Equipment Technology Co.,Ltd. Address before: 232009 Shangyao Town Industrial Zone, Datong District, Huainan City, Anhui Province Applicant before: ANHUI TANGXING MACHINERY Co.,Ltd. |