CN205918684U - Rotatory expansion bend of durable water -cooled with external displacement sensor - Google Patents
Rotatory expansion bend of durable water -cooled with external displacement sensor Download PDFInfo
- Publication number
- CN205918684U CN205918684U CN201620357603.1U CN201620357603U CN205918684U CN 205918684 U CN205918684 U CN 205918684U CN 201620357603 U CN201620357603 U CN 201620357603U CN 205918684 U CN205918684 U CN 205918684U
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- CN
- China
- Prior art keywords
- mandrel
- overcoat
- displacement sensor
- hydraulic cylinder
- piston rod
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Abstract
The utility model relates to a rotatory expansion bend of durable water -cooled with external displacement sensor makes two hydraulic fluid ports on the overcoat, all inlay at least one rotation sealing ring of dress on the overcoat inner edge of every hydraulic fluid port both sides, installation no. 1 is used for measuring on the overcoat the displacement sensor of piston rod displacement volume. According to the automatic silicon steel sheet leveling machine of the transformer, clearance grow between overcoat and the dabber, cleanliness to fluid requires to reduce, overcoat and the dead phenomenon of mandrel card sent because of fluid impurity multi -pilot can not appear, and rotation sealing ring makes the fluid volume reduction that two hydraulic fluid ports and spindle counterpointed and leak between the ring channel of making, can not lead to the fact outer revealing, the fluid of these leakages gets into in the cavity that two bearings that the overcoat inner edge adorn belonged to, the bearing has not only been lubricated, radiating effect has still been played, the fluid that leaks passes through the drain tap and retrieves in the oil tank, the waste of fluid has been avoided, under the prerequisite that satisfies cold water transport and cooling core axle, displacement sensor can be accurate the distance that removes of measurement piston rod, guarantee the accuracy of production and processing.
Description
Technical field
This utility model belongs to rotary extension device structure technical field of improvement, and especially one kind has outer displacement sensor
Durable water cooling type rotary compensator.
Background technology
Rotary extension device includes a Double-action reciprocating hydraulic cylinder and a swivel joint, and hydraulic cylinder includes cylinder head, cylinder barrel
And cylinder bottom, be slidably installed in cylinder body piston, and piston outer rim is embedded in the piston seal guide for sealing, and piston side is filled
Piston rod stretches out from cylinder head, is provided with piston rod seal component in the place of cylinder head and plunger rod contacts, installs mandrel on cylinder bottom,
Two oil ducts in mandrel are respectively communicated with long oil duct and short oil road.In rotary course, its interior piston rod rotates hydraulic cylinder
Simultaneously can also be freely flexible, some rotary extension devices can be applied in hot environment, so main frame, mandrel need to send cooling
Water, piston opposite side extends makes a water supply section, and this water supply section stretches into in water swivel, then in overcoat after passing through mandrel
A feed water inlet is fixed in end, coaxially makes water supply groove, the water inlet of feed water inlet is through supplying water in whole piston rod and water supply section
It is transported to main frame, water is while flowing for mandrel cooling after groove.
In prior art, coat suit and is in fixing state outside mandrel, and it does not rotate with mandrel and hydraulic cylinder,
And adopt clearance seal between overcoat and mandrel more, and fluid internal leakage is big, simultaneously because gap is too small, will to oil cleanliness
Ask high, if there is impurity in fluid easily cause overcoat and mandrel stuck phenomenon, and the stroke for measurement piston rod, general meeting
Detected using multiple proximity switches, but such mode control accuracy is poor.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provide carry out sealing using rotating seal ring, right
Oil cleanliness requires relatively low, internal drainage can reclaim by drain tap and is formed to measure accurately one kind and have external displacement sensing
The durable water cooling type rotary compensator of device.
This utility model adopts the technical scheme that:
A kind of durable water cooling type rotary compensator with outer displacement sensor, including hydraulic cylinder and swivel joint, liquid
The mandrel in swivel joint installed by the cylinder bottom of cylinder pressure, the overcoat in suit swivel joint on mandrel, the piston rod one in hydraulic cylinder
Side end reaches outside hydraulic cylinder from the cylinder head of hydraulic cylinder, and piston rod opposite side extends makes a water supply section, and this water supply section passes through
Stretch into in water swivel after described mandrel, for a feed water inlet is fixed on water swivel, this feed water inlet and water supply section and work
Make in stopper rod water supply groove connection, feed water inlet, water supply section and for water swivel on the axial direction of piston rod with work
Stopper rod servo-actuated it is characterised in that: the inner edge at the overcoat two ends in described swivel joint is embedded in a bearing respectively, this two bearing holder (housing, cover)s
It is contained in the outer rim of mandrel and so that mandrel is rotated, the end face outside top pressure of the bearing of close hydraulic cylinder is in the made shaft shoulder of mandrel
Surface, away from hydraulic cylinder bearing end face outside top pressure in this place on mandrel suit snap ring inner surface, make on the coat
Go out two hydraulic fluid ports, the oil duct that this two hydraulic fluid ports are made by mandrel and hydraulic cylinder connects with having bar oil pocket and no bar oil pocket, each
At least one rotating seal ring is all embedded on the overcoat inner edge of hydraulic fluid port both sides, the inner edge of the plurality of rotating seal ring is closely crimped on
The outer rim of mandrel, described outer putting installs one for measuring the displacement transducer of described piston rod displacement.
And, described overcoat installs an end cap near the end of snap ring, this end cap is installed a guide pillar, in the end of guide pillar
Outer rim installs magnet ring, and guide pillar slides suit one substrate, and the sleeve pipe that an interval is sleeved on outside described guide pillar is installed in this substrate upper end,
This cannula end installs displacement transducer, and the measurement bar of this displacement transducer stretches into the made measuring flume of guide pillar in sleeve pipe
Interior, the lower end of described substrate is fixed with the overcoat for water swivel；
Water supply section is moved along drive during piston rod axially-movable for water swivel, substrate, sleeve pipe and displacement transducer, surveys
Gauge rod makes displacement transducer output displacement signal after constantly triggering magnet ring at the volley.
And, retention gap between the end of the mandrel of described end cap and this side, make on the coat and two bearing institutes
In the draining road of cavity connection, this draining road connects with putting outward the drain tap made.
And, the end inner edge near the overcoat of hydraulic cylinder is embedded in a sealing strip, and this sealing strip is crimped on this place of mandrel
The side edge surface of the shaft shoulder processed.
And, anti-bull stick is installed in described end cap lower end.
And, institute's displacement sensors install a protective cover.
And, described substrate is installed a lubricating cup.
Advantage of the present utility model and good effect are:
This utility model, the overcoat inner edge of each hydraulic fluid port both sides in two hydraulic fluid ports of overcoat is all embedded in rotatory sealing
Ring, gap between overcoat and mandrel becomes big, and the cleannes of fluid are required to reduce, and is not in because leading to oil residue more
Overcoat and the stuck phenomenon of heart axle, and rotating seal ring makes leakage between the cannelure that on two hydraulic fluid ports and mandrel, para-position is made
Fluid amount reduce, do not result in outward leakage, the fluid of these leakages enters the sky that two bearings that overcoat inner edge filled are located
Intracavity, not only have lubricated bearing, also acts the effect of radiating, and the fluid of leakage is recovered in fuel tank by drain tap, it is to avoid
The waste of fluid, above-mentioned bearing is accurate taper roll bearing, has a function of adjust automatically mandrel and overcoat axiality,
Reduce processing, the equipment required precision of mandrel and overcoat, on the premise of meeting cold water conveying and cooling of central, displacement sensing
Device can accurately measure the distance of piston rod movement it is ensured that the accuracy of production and processing.
Brief description
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the enlarged drawing of the mandrel, overcoat and displacement transducer assembling of Fig. 1.
Specific embodiment
With reference to embodiment, this utility model is further illustrated, following embodiments are illustrative, be not limited
It is impossible to limit protection domain of the present utility model with following embodiments.
A kind of durable water cooling type rotary compensator with outer displacement sensor, as shown in Figure 1, 2, including hydraulic cylinder and
Swivel joint, cylinder barrel 5 two ends of hydraulic cylinder are respectively mounted cylinder head 1 and cylinder bottom 8, and slide in the cavity that three is formed setting-in piston 6,
Piston outer rim is embedded in the piston seal guide 7 for sealing, and a side end of the piston rod 4 that piston coaxial is filled is stretched from cylinder head
Go out to outside, in the place of cylinder head and plunger rod contacts, piston rod packing guide 2 is installed, cylinder bottom is made one oily with no bar
The through hole 8 of chamber connection, is embedded in described mandrel one side end 41 in this through hole, the bulge loop 10 that mandrel outer rim is made is attached on cylinder bottom,
Piston rod end side extends makes a water supply section 32, and this water supply section is after mandrel described in multiple sealing member 33 hermetically passings
Stretch into in the water supply overcoat 30 of water swivel, the end of water supply section is the water supply mandrel supplying water swivel, its with right
Between the water supply overcoat answered, setting-in supplies submerged bearing 29, and outer putting of supplying water fixes a feed water inlet 27, in this feed water inlet feeding conduit 28 with
Water supply section connects with the water supply groove 31 made in piston rod, feed water inlet, water supply section and the outer axial direction side being enclosed within piston rod of water supply
Servo-actuated with piston rod upwards, innovation of the present utility model is: the inner edge at overcoat 36 two ends in described swivel joint is embedding respectively
Fill a bearing 11, this two bearings are sleeved on the outer rim of mandrel and so that mandrel is rotated, near the outside of the bearing of hydraulic cylinder
On the made shaft shoulder of mandrel 42 surface, the end face outside top pressure away from the bearing of hydraulic cylinder is set with mandrel end face top pressure in this place
Snap ring 15 inner surface, make two hydraulic fluid ports 37 and 38 on the coat, the oil duct 40 that hydraulic fluid port passes through in mandrel connects liquid
The through hole of cylinder pressure, another oil duct 39 that another hydraulic fluid port passes through in mandrel is connected with one end of the long oil duct 3 in hydraulic stem, should
What the other end of long oil duct connected hydraulic cylinder has bar oil pocket, and the overcoat inner edge of each hydraulic fluid port both sides is all embedded at least one rotation
Sealing ring 14, the inner edge of the plurality of rotating seal ring is closely crimped on the outer rim of mandrel, described outer put installation one and is used for measuring
The displacement transducer 25 of described piston rod displacement.
In the present embodiment, the shaft shoulder in left side blocks the bearing in left side, and snap ring blocks the bearing on right side, and mandrel can be at two
Rotation in bearing, the end inner edge near the overcoat of hydraulic cylinder is embedded in a sealing strip 43, and this sealing strip is crimped on this place of mandrel
The side edge surface of the shaft shoulder processed, two in mandrel oil duct is respectively communicated with two annular oil grooves 44 positioned at mandrel outer rim, and this two
Individual annular oil groove is connected with two hydraulic fluid ports respectively.
Described overcoat installs an end cap 34 near the end of snap ring, and this end cap can play closing and dust-proof grade acts on, end
Retention gap 16 between lid and mandrel end, this end cap is installed a guide pillar 17, installs magnet ring 23 in the end outer rim of guide pillar, leads
Slide on post suit one substrate 19, and the sleeve pipe 22 that an interval is sleeved on outside described guide pillar, this cannula end are installed in this substrate upper end
Displacement transducer is installed by pedestal 24, the measurement bar 21 of this displacement transducer stretches into the made measurement of guide pillar in sleeve pipe
In groove 18, the lower end of described substrate is fixed with the water supply overcoat for water swivel.Drive the motion of water supply section during piston movement, supply
Water section drives feed water inlet, water supply overcoat, substrate motion, and substrate drives sleeve pipe and displacement transducer to move along guide pillar, measurement bar
Constantly make displacement transducer output displacement signal after triggering magnet ring at the volley.
Make the draining road 13 connecting with two bearing place cavitys on the coat, this draining road with put outward letting out of making
Hydraulic fluid port 12 connects, and anti-bull stick 35 is installed in described end cap lower end, institute's displacement sensors is installed a protection 26, described substrate is pacified
Fill a lubricating cup 20.
When this utility model uses:
1. each part assembles, and mandrel rotates with hydraulic cylinder, and two oil-ins are realized oil-feed or returned after being connected with fuel tank
Oil, makes piston extrapolate or retracts, and the change of measurement bar reaction magnetic ring position makes the position of displacement transducer continuous output piston bar
Shifting signal；
2., when leaking at small part fluid spinning sealing ring, can enter in the cavity at bearing place and flow downward,
Returned in fuel tank by draining road, drain tap, pipeline.
This utility model, the overcoat inner edge of each hydraulic fluid port both sides in two hydraulic fluid ports of overcoat is all embedded in rotatory sealing
Ring, gap between overcoat and mandrel becomes big, and the cleannes of fluid are required to reduce, and is not in because leading to oil residue more
Overcoat and the stuck phenomenon of heart axle, and rotating seal ring makes leakage between the cannelure that on two hydraulic fluid ports and mandrel, para-position is made
Fluid amount reduce, do not result in outward leakage, the fluid of these leakages enters the sky that two bearings that overcoat inner edge filled are located
Intracavity, not only have lubricated bearing, also acts the effect of radiating, and the fluid of leakage is recovered in fuel tank by drain tap, it is to avoid
The waste of fluid, above-mentioned bearing is accurate taper roll bearing, has a function of adjust automatically mandrel and overcoat axiality,
Reduce processing, the equipment required precision of mandrel and overcoat, on the premise of meeting cold water conveying and cooling of central, displacement sensing
Device can accurately measure the distance of piston rod movement it is ensured that the accuracy of production and processing.
Claims (7)
1. a kind of durable water cooling type rotary compensator with outer displacement sensor, including hydraulic cylinder and swivel joint, hydraulic pressure
The mandrel in swivel joint installed by the cylinder bottom of cylinder, the overcoat in suit swivel joint on mandrel, the piston rod side in hydraulic cylinder
End reaches outside hydraulic cylinder from the cylinder head of hydraulic cylinder, and piston rod opposite side extends makes a water supply section, and this water supply section passes through institute
Stretch into in water swivel after stating mandrel, for a feed water inlet is fixed on water swivel, this feed water inlet and water supply section and piston
Make in bar water supply groove connection, feed water inlet, water supply section and for water swivel on the axial direction of piston rod with piston
Bar servo-actuated it is characterised in that: the inner edge at the overcoat two ends in described swivel joint is embedded in a bearing respectively, this two bearings suit
In the outer rim of mandrel and so that mandrel is rotated, near hydraulic cylinder bearing end face outside top pressure in the made shaft shoulder table of mandrel
Face, away from hydraulic cylinder bearing end face outside top pressure in this place on mandrel suit snap ring inner surface, make on the coat
Two hydraulic fluid ports, the oil duct that this two hydraulic fluid ports are made by mandrel and hydraulic cylinder connects with having bar oil pocket and no bar oil pocket, each oil
All it is embedded at least one rotating seal ring, the inner edge of the plurality of rotating seal ring is closely crimped on core on the overcoat inner edge of mouth both sides
The outer rim of axle, described outer putting installs one for measuring the displacement transducer of described piston rod displacement.
2. a kind of durable water cooling type rotary compensator with outer displacement sensor according to claim 1, its feature
It is: described overcoat installs an end cap near the end of snap ring, and this end cap is installed a guide pillar, install in the end outer rim of guide pillar
Magnet ring, guide pillar slides suit one substrate, and the sleeve pipe that an interval is sleeved on outside described guide pillar is installed in this substrate upper end, this sleeve pipe end
Displacement transducer is installed at end, and the measurement bar of this displacement transducer stretches in the made measuring flume of the guide pillar in sleeve pipe, described
The lower end of substrate is fixed with the overcoat for water swivel；
Water supply section is moved along drive during piston rod axially-movable for water swivel, substrate, sleeve pipe and displacement transducer, measurement bar
Constantly make displacement transducer output displacement signal after triggering magnet ring at the volley.
3. a kind of durable water cooling type rotary compensator with outer displacement sensor according to claim 2, its feature
It is: retention gap between the end of the mandrel of described end cap and this side, make on the coat with two bearing place cavitys even
Logical draining road, this draining road connects with putting outward the drain tap made.
4. a kind of durable water cooling type rotary compensator with outer displacement sensor according to claim 3, its feature
It is: the end inner edge near the overcoat of hydraulic cylinder is embedded in a sealing strip, this sealing strip is crimped on mandrel made shaft shoulder at this
Side edge surface.
5. a kind of durable water cooling type rotary compensator with outer displacement sensor according to claim 4, its feature
It is: anti-bull stick is installed in described end cap lower end.
6. a kind of durable water cooling type rotary compensator with outer displacement sensor according to claim 5, its feature
It is: on institute's displacement sensors, a protective cover is installed.
7. a kind of durable water cooling type rotary compensator with outer displacement sensor according to claim 6, its feature
It is: a lubricating cup is installed on described substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620357603.1U CN205918684U (en) | 2016-04-25 | 2016-04-25 | Rotatory expansion bend of durable water -cooled with external displacement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620357603.1U CN205918684U (en) | 2016-04-25 | 2016-04-25 | Rotatory expansion bend of durable water -cooled with external displacement sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205918684U true CN205918684U (en) | 2017-02-01 |
Family
ID=57876204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620357603.1U Expired - Fee Related CN205918684U (en) | 2016-04-25 | 2016-04-25 | Rotatory expansion bend of durable water -cooled with external displacement sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205918684U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107298281A (en) * | 2017-07-05 | 2017-10-27 | 宁夏天地奔牛实业集团有限公司 | Displacement transducer protector and the belt self-movable foot end that displacement transducer is set |
| CN107643062A (en) * | 2017-09-30 | 2018-01-30 | 北京精密机电控制设备研究所 | A kind of displacement of the lines detection means of double remaining rotary extension axles |
| CN109228002A (en) * | 2018-09-17 | 2019-01-18 | 天津联维乙烯工程有限公司 | Twin-screw extruder pelletizer comprehensive detection system |
| CN111365319A (en) * | 2020-03-26 | 2020-07-03 | 燕山大学 | Novel hydraulic cylinder for hydraulic bulging |
-
2016
- 2016-04-25 CN CN201620357603.1U patent/CN205918684U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107298281A (en) * | 2017-07-05 | 2017-10-27 | 宁夏天地奔牛实业集团有限公司 | Displacement transducer protector and the belt self-movable foot end that displacement transducer is set |
| CN107643062A (en) * | 2017-09-30 | 2018-01-30 | 北京精密机电控制设备研究所 | A kind of displacement of the lines detection means of double remaining rotary extension axles |
| CN107643062B (en) * | 2017-09-30 | 2019-06-18 | 北京精密机电控制设备研究所 | A kind of displacement of the lines detection device of double redundancy rotary extension axis |
| CN109228002A (en) * | 2018-09-17 | 2019-01-18 | 天津联维乙烯工程有限公司 | Twin-screw extruder pelletizer comprehensive detection system |
| CN111365319A (en) * | 2020-03-26 | 2020-07-03 | 燕山大学 | Novel hydraulic cylinder for hydraulic bulging |
| CN111365319B (en) * | 2020-03-26 | 2021-02-26 | 燕山大学 | Novel hydraulic cylinder for hydraulic bulging |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170201 Termination date: 20170425 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |