CN207598624U - A kind of oil cylinder - Google Patents
A kind of oil cylinder Download PDFInfo
- Publication number
- CN207598624U CN207598624U CN201721648379.2U CN201721648379U CN207598624U CN 207598624 U CN207598624 U CN 207598624U CN 201721648379 U CN201721648379 U CN 201721648379U CN 207598624 U CN207598624 U CN 207598624U
- Authority
- CN
- China
- Prior art keywords
- mounting groove
- rear cover
- piston
- oil cylinder
- piston rod
- 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.)
- Expired - Fee Related
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- Actuator (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model is related to technical field of hydraulic equipment, more particularly to a kind of oil cylinder, including cylinder body, it is respectively arranged on protecgulum and rear cover, the piston that is flexibly connected in cylinder body and with it and the piston rod on piston at cylinder body both ends, piston rod is stretched out from protecgulum, the first mounting groove is equipped in rear cover, displacement sensor is equipped in the first mounting groove；Displacement sensor is equipped with the waveguide being slidably connected with piston rod, the end of piston is equipped with the second mounting groove, it is installed with the first washer, position magnet ring and second packing ring in second mounting groove successively from the inside to the outside, waveguide sequentially passes through second packing ring, position magnet ring and the first washer and is inserted into piston rod；The side wall of rear cover is equipped with third mounting groove and the 4th mounting groove, temperature sensor is equipped in third mounting groove, pressure sensor is equipped in 4th mounting groove, the side of rear cover is equipped with warning device, and temperature sensor and pressure sensor are electrically connected with warning device.
Description
Technical field
The utility model is related to technical field of hydraulic equipment more particularly to a kind of oil cylinders.
Background technology
Hydraulic cylinder be hydraulic energy is changed into mechanical energy, the hydraulic pressure that does straight reciprocating motion (or pendulum motion) performs member
Part.Traditional oil cylinder has the following disadvantages：1st, the pressure and temperature of oil cylinder inner fluid cannot be monitored in real time, when oil liquid pressure and temperature
It cannot be given a warning immediately when spending high；2nd, the displacement of piston cannot be monitored, it is impossible to meet the use high to displacement precision prescribed
Occasion.
Therefore, it is urgent to provide a kind of oil cylinder, to solve the deficiencies in the prior art.
Utility model content
The utility model aim is, for a kind of oil cylinder that the prior art is insufficient and provides.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is as follows：
A kind of oil cylinder, including cylinder body, be respectively arranged on the cylinder body both ends protecgulum and rear cover, in the cylinder body and with
Its piston being flexibly connected and the piston rod on the piston, the piston rod is stretched out from the protecgulum, after described
The first mounting groove is equipped in lid, displacement sensor is equipped in first mounting groove；Institute's displacement sensors be equipped with it is described
The waveguide that piston rod is slidably connected, the end of the piston are equipped with the second mounting groove, in second mounting groove from the inside to the outside
It is installed with the first washer, position magnet ring and second packing ring successively, the waveguide sequentially passes through the second packing ring, the position
Magnet ring and first washer are simultaneously inserted into the piston rod；The side wall of the rear cover is equipped with third mounting groove and the 4th installation
Slot, the third mounting groove is interior to be equipped with temperature sensor, and pressure sensor, the side of the rear cover are equipped in the 4th mounting groove
Face is equipped with warning device, and the temperature sensor and the pressure sensor are electrically connected with the warning device.
More preferably, the warning device is equipped with LED light, buzzer and display screen.
More preferably, first washer and the second packing ring are non-magnetic washer.
More preferably, institute's displacement sensors are fixed on by fixing screws in the rear cover.
More preferably, institute's displacement sensors are magnetostrictive displacement sensor.
More preferably, if being equipped on the side wall of first mounting groove, the third mounting groove and the 4th mounting groove
Drier oil seals rubber ring.
The beneficial effects of the utility model are：Magnetostrictive displacement sensor, magnetostriction are equipped in the rear cover of the oil cylinder
Displacement sensor utilizes magnetostriction principle, the position for measuring position magnet ring is realized, so as to measure the position of piston, Neng Gouman
The foot use occasion high to displacement precision prescribed；It covers and is additionally provided with due to the temperature sensor of measurement oil liquid temperature and for surveying afterwards
Measure oil liquid pressure pressure sensor, when the temperature or pressure of fluid are abnormal, warning device gives a warning, user can and
Shi Xiufu failures.
Description of the drawings
Fig. 1 is a kind of structure diagram of oil cylinder of the utility model；
Fig. 2 is the partial enlarged view of a-quadrant shown in Fig. 1.
Specific embodiment
The utility model is further described with reference to embodiment, this is the preferred embodiment of the utility model.
As shown in Figs. 1-2, a kind of oil cylinder including cylinder body 1, is respectively arranged on the protecgulum 2 at 1 both ends of cylinder body and rear cover 3, sets
The piston 4 and the piston rod 5 on the piston 3 being flexibly connected in the cylinder body 1 and with it, the piston rod 5 from
It is stretched out in the protecgulum 2, the both ends of cylinder body 1 are equipped with hydraulic fluid port 11.It is equipped with the first mounting groove 31 in the rear cover 3, described first
Displacement sensor 32 is equipped in mounting groove 31；Institute's displacement sensors 32 are equipped with the waveguide being slidably connected with the piston rod 5
Pipe 33, the end of the piston 4 are equipped with the second mounting groove, the first washer are installed with successively from the inside to the outside in second mounting groove
41st, position magnet ring 42 and second packing ring 43, the waveguide 33 sequentially pass through the second packing ring 43,42 and of position magnet ring
First washer 41 is simultaneously inserted into the piston rod 5；It is equipped with third mounting groove on the side wall of the rear cover 3 successively from the bottom to top
With the 4th mounting groove, the third mounting groove is interior to be equipped with temperature sensor 34, and pressure sensor is equipped in the 4th mounting groove
35, the side of the rear cover 3 is equipped with warning device 6, the temperature sensor 34 and the pressure sensor 35 with it is described
Warning device 6 is electrically connected.
Displacement sensor 32 is equipped in the rear cover 3 of the oil cylinder, displacement sensor 32 is realized using magnetostriction principle and measured
The position of position magnet ring 42, measurement process are to generate current impulse in the electronic room by displacement sensor 32, which exists
It is transmitted in waveguide 33, so as to generate a circumferential magnetic field outside waveguide 33, when the magnetic field and is sleeved on conduct on waveguide 33
When the magnetic field that the position magnet ring 42 of change in location generates is intersecting, due to magnetostrictive effect, one can be generated in waveguide 33
The mechanical wave pulse signal of strain, the mechanical wave pulse signal of this strain are transmitted, and be displaced by 32 institute of sensor with fixed speed
It detects.Due to transmission time and position magnet ring 42 and displacement sensing of the mechanical wave pulse signal of this strain in waveguide 33
The distance between device 32 is directly proportional, passes through time of measuring, it is possible to highly precisely determine position magnet ring 42 and displacement sensor
Distance between 32, so as to detect the displacement of piston 3, which disclosure satisfy that the use occasion high to displacement precision prescribed.Afterwards
The temperature sensor 34 due to measuring oil liquid temperature and the pressure sensor 35 for measuring oil liquid pressure are additionally provided on lid 3, when
When the temperature or pressure of fluid are abnormal, warning device 6 gives a warning, and user can repair failure in time.
Referring to Fig. 1, the warning device 6 is equipped with LED light 61, buzzer 62 and display screen 63.Work as temperature
When sensor 34 and pressure sensor 35 detect abnormal conditions, warning device 6 works, and LED light 61 flickers, buzzer 62
Alarm tone occurs, display screen 63 shows fault message, user is facilitated to find the oil cylinder to break down, and obtain fault message,
Immediately failure is repaired.
In order to reduce influence of the piston 4 to position magnet ring 42, measurement accuracy, first washer 41 and described second are improved
Washer 43 is non-magnetic washer.
Referring to Fig. 1, institute's displacement sensors 32 are fixed on by fixing screws 321 in the rear cover 3, fixation is more steady
Gu.
Institute's displacement sensors 32 are magnetostrictive displacement sensor.
Referring to Fig. 2, it is all provided on the side wall of first mounting groove 31, the third mounting groove and the 4th mounting groove
There are several oil sealing rubber rings 7.The effect of oil sealing rubber ring 7 is to play sealing function, prevents fluid from penetrating into.
The beneficial effects of the utility model are：Magnetostrictive displacement sensor, magnetostriction are equipped in the rear cover of the oil cylinder
Displacement sensor utilizes magnetostriction principle, the position for measuring position magnet ring is realized, so as to measure the position of piston, Neng Gouman
The foot use occasion high to displacement precision prescribed；It covers and is additionally provided with due to the temperature sensor of measurement oil liquid temperature and for surveying afterwards
Measure oil liquid pressure pressure sensor, when the temperature or pressure of fluid are abnormal, warning device gives a warning, user can and
Shi Xiufu failures.
The utility model is not limited to the above embodiment, it is all using structure similar with the utility model and its method come real
All modes of existing the utility model aim, are within the protection scope of the utility model.
Claims (6)
1. a kind of oil cylinder, including cylinder body, be respectively arranged on the cylinder body both ends protecgulum and rear cover, in the cylinder body and and its
The piston of flexible connection and the piston rod on the piston, the piston rod are stretched out from the protecgulum, and feature exists
In：The first mounting groove is equipped in the rear cover, displacement sensor is equipped in first mounting groove；It is set on institute's displacement sensors
There is a waveguide being slidably connected with the piston rod, the end of the piston is equipped with the second mounting groove, in second mounting groove
Be installed with the first washer, position magnet ring and second packing ring successively from the inside to the outside, the waveguide sequentially pass through the second packing ring,
The position magnet ring and first washer are simultaneously inserted into the piston rod；The side wall of the rear cover be equipped with third mounting groove and
4th mounting groove, the third mounting groove is interior to be equipped with temperature sensor, and pressure sensor is equipped in the 4th mounting groove, described
The side of rear cover is equipped with warning device, and the temperature sensor and the pressure sensor electrically connect with the warning device
It connects.
2. oil cylinder according to claim 1, it is characterised in that：The warning device be equipped with LED light, buzzer with
And display screen.
3. oil cylinder according to claim 1, it is characterised in that：First washer and the second packing ring are non-magnetic
Washer.
4. oil cylinder according to claim 1, it is characterised in that：Institute's displacement sensors are fixed on described by fixing screws
In rear cover.
5. oil cylinder according to claim 1, it is characterised in that：Institute's displacement sensors are magnetostrictive displacement sensor.
6. oil cylinder according to claim 1, it is characterised in that：First mounting groove, the third mounting groove and described
Several oil sealing rubber rings are equipped on the side wall of 4th mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721648379.2U CN207598624U (en) | 2017-11-30 | 2017-11-30 | A kind of oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721648379.2U CN207598624U (en) | 2017-11-30 | 2017-11-30 | A kind of oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207598624U true CN207598624U (en) | 2018-07-10 |
Family
ID=62762500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721648379.2U Expired - Fee Related CN207598624U (en) | 2017-11-30 | 2017-11-30 | A kind of oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207598624U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109084672A (en) * | 2018-08-15 | 2018-12-25 | 北京中航惠通自动化技术有限公司 | Magnetostrictive displacement sensor is precisely controlled formula electric pushrod built in a kind of |
-
2017
- 2017-11-30 CN CN201721648379.2U patent/CN207598624U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109084672A (en) * | 2018-08-15 | 2018-12-25 | 北京中航惠通自动化技术有限公司 | Magnetostrictive displacement sensor is precisely controlled formula electric pushrod built in a kind of |
| CN109084672B (en) * | 2018-08-15 | 2020-07-03 | 北京中航惠通自动化技术有限公司 | Accurate control type electric push rod with built-in magnetostrictive displacement sensor |
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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: 20180710 Termination date: 20211130 |