CN110469556A - A kind of fuel tank hydraulic cylinder - Google Patents
A kind of fuel tank hydraulic cylinder Download PDFInfo
- Publication number
- CN110469556A CN110469556A CN201910803558.6A CN201910803558A CN110469556A CN 110469556 A CN110469556 A CN 110469556A CN 201910803558 A CN201910803558 A CN 201910803558A CN 110469556 A CN110469556 A CN 110469556A
- Authority
- CN
- China
- Prior art keywords
- hydraulic cylinder
- fuel tank
- wall
- annular groove
- nut
- 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.)
- Pending
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- 239000002828 fuel tank Substances 0.000 title claims abstract description 100
- 238000007789 sealing Methods 0.000 claims abstract description 30
- 239000000446 fuel Substances 0.000 claims abstract description 10
- 239000000428 dust Substances 0.000 claims description 7
- 239000003921 oil Substances 0.000 abstract description 58
- 230000004044 response Effects 0.000 abstract description 5
- 239000010727 cylinder oil Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000009355 double cropping Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
- 238000004804 winding 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
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/26—Supply reservoir or sump assemblies
-
- 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
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
-
- 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
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1428—Cylinders
-
- 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
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1438—Cylinder to end cap assemblies
-
- 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
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1447—Pistons; Piston to piston rod assemblies
- F15B15/1452—Piston sealings
-
- 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
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1457—Piston rods
-
- 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
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1457—Piston rods
- F15B15/1461—Piston rod sealings
-
- 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
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1476—Special return means
-
- 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
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/149—Fluid interconnections, e.g. fluid connectors, passages
-
- 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
- F15B15/18—Combined units comprising both motor and pump
-
- 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
- F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Actuator (AREA)
Abstract
A kind of fuel tank hydraulic cylinder, including hydraulic cylinder, rear end cap and fuel tank；Rear end cap inner wall and the sealing of hydraulic cylinder outer wall are fixed, and outer wall is fixed with inner wall of oil tank；The channel I being connected to outside is equipped in rear end cap, hydraulic cylinder lower end is communicated with channel I；It is equipped with piston and piston rod in hydraulic cylinder, is equipped with the drive end bearing bracket sealed with piston rod and hydraulic cylinder at the top of hydraulic cylinder；Clamp nut is further fixed on the outside of drive end bearing bracket and hydraulic cylinder top；The top of fuel tank, which is fixed with, seals fixed fuel tank nut with hydraulic cylinder and fuel tank；Fuel tank nut top and the sealing of clamp nut lower outside are fixed with rotary sleeve, and three forms confined space, and upper part is equipped with the channel II being connected to rotary sleeve, and lower part is equipped with the channel III being connected to hydraulic cylinder；The upper and lower ends of oil tank wall are additionally provided with fuel feed hole and oil outlet.The beneficial effects of the present invention are: it can shorten fuel tank and hydraulic cylinder oil circuit, when hydraulic commutation, can be commutated rapidly with faster response, and save space, be easily installed.
Description
Technical field
The present invention relates to glue stations fields, and in particular to a kind of fuel tank hydraulic cylinder.
Background technique
Hydraulic pump is the dynamical element of hydraulic system, is that oil is sucked from hydraulic oil container by engine or motor drive
Liquid forms pressure oil discharge, is sent to a kind of element of executive component；It is to pass through sealed volume using oil liquid as working media
Variation carry out passing movement, power is transmitted by the pressure inside oil liquid, be usually used in engineering machinery, lifting, Transport Machinery and
In mining machinery.
In the prior art, hydraulic pump at work, need to be independently matched with hydraulic oil container carry out using, and just because of
The presence of fuel tank, occupied space is big, and installs inconvenience.Built-in electric pump one as described in patent No. CN201310495941.2
Hydraulic station, including motor, hydraulic pump and fuel tank, the motor include casing, End cover for motor, stator winding, rotor around
Group and output shaft, the casing lower section connect the fuel tank, and the casing is equipped with the End cover for motor opposite side and is connected to
The lower through-hole of the fuel tank, the output shaft are connect with the hydraulic pump, and oil inlet pipe, institute are equipped at the oil inlet of the hydraulic pump
It states oil inlet pipe and hydraulic pump is respectively positioned in the fuel tank, the oil outlet of the hydraulic pump is passed through equipped with the axial direction along the output shaft
The flowline of the motor is worn, the flowline connects directional control valve；Although motor and fuel tank integrate,
Fuel tank still increases the space occupied, and it is complex during the installation process, time-consuming and laborious.
Summary of the invention
The object of the present invention is to provide a kind of fuel tank hydraulic cylinder, fuel tank and hydraulic cylinder oil circuit can be shortened, when hydraulic commutation
It can be commutated rapidly with faster response, and save space, be easily installed.
It is realized the purpose of the present invention is technical solution in this way, a kind of fuel tank hydraulic cylinder, including hydraulic cylinder, rear end
Cover and be set in the cylindricality fuel tank outside hydraulic cylinder；Rear end cap inner wall and the sealing of hydraulic cylinder outer wall are fixed, in outer wall and fuel tank
Wall is fixed；The channel I being connected to outside is additionally provided in rear end cap, hydraulic cylinder lower end is communicated with channel I；Piston is equipped in hydraulic cylinder
With the piston rod affixed with piston, hydraulic cylinder top is equipped with the drive end bearing bracket sealed with piston rod and hydraulic cylinder；Drive end bearing bracket and liquid
Cylinder pressure is further fixed on clamp nut on the outside of top；The top of fuel tank, which is fixed with, seals fixed fuel tank with hydraulic cylinder and fuel tank
Nut；Fuel tank nut top and the sealing of clamp nut lower outside are fixed with rotary sleeve, and three forms confined space；Confined air
In, top is equipped with the channel II being connected to rotary sleeve, and lower part is equipped with the channel III being connected to hydraulic cylinder；Up and down the two of oil tank wall
End further respectively has fuel feed hole and oil outlet.
In the present invention, rear end cap inner wall and the sealing of hydraulic cylinder outer wall are fixed, and outer wall fixes with inner wall of oil tank, guaranteeing and
While fuel tank and hydraulic cylinder sealing, play the role of support；Channel I is for oily entrance and pushes piston upwards,
And then the realization of piston driving piston rod moves up；The drive end bearing bracket sealed with piston rod and hydraulic cylinder, both prevents piston rod
On oil be carried over hydraulic cylinder, in turn ensure the leakproofness of hydraulic cylinder, prevent oil be extruded from hydraulic cylinder；Clamp nut is to hydraulic
Cylinder and drive end bearing bracket, which play the role of further fastening, to be compressed；Sealing fixed fuel tank nut with hydraulic cylinder and fuel tank ensure that oil
Airtightness in case；Fuel tank nut top, clamp nut and rotary sleeve three form confined space, and top is equipped with to be connected with rotary sleeve
Logical channel II and lower part are equipped with the channel III be connected to hydraulic cylinder and are used to push when oily into and out, oily entrance
Piston driving piston rod moves downward, and oil just exports when the realization of piston driving piston rod moves up.Oil tank wall upper end is additionally provided with
Fuel feed hole is used for oil inlet, and oil inlet can be makeup oil, is also possible to the entrance of the oil in hydraulic pump；Oil outlet is for fuel-displaced, out
Oil is for entering hydraulic cylinder from channel I or channel III.
When in use, when needing to jack piston rod, the oil in fuel tank enters channel I by oil outlet, living for piston driving
Stopper rod realization moves up；Need to reduce piston rod, the oil in fuel tank is entered channel II by oil outlet and entered by channel III
Hydraulic cylinder, push piston driving piston rod realization moves down, while hydraulic cylinder come out oil can directly by fuel feed hole into
Enter fuel tank.In addition, the oil in fuel tank enters channel I by oil outlet, living for piston driving when there is also needing to jack piston rod
While stopper rod realization moves up, the oil of hydraulic cylinder flows into fuel tank through channel III, channel II by directly entering by fuel feed hole.
Whole design shortens fuel tank and hydraulic cylinder oil circuit, and when hydraulic commutation can be commutated rapidly with faster response, and save space.It is whole
During a, compounding practice completion can be carried out by switching valve and external pump, because the main body that the present invention protects is that fuel tank is hydraulic
Pump, therefore be not described in detail herein.
By adopting the above-described technical solution, the present invention has the advantage that: it can shorten fuel tank and hydraulic cylinder oil circuit,
It can be commutated rapidly with faster response when hydraulic commutation, and save space, be easily installed.
Detailed description of the invention
Fig. 1 is a kind of schematic perspective view of fuel tank hydraulic cylinder in the present invention.
Fig. 2 is the structural schematic diagram in the present invention at another visual angle of fuel tank hydraulic cylinder.
Fig. 3 is a kind of the schematic diagram of the section structure in Fig. 2 at A-A.
Fig. 4 is the structure enlargement diagram in Fig. 3 at A.
Fig. 5 is the structure enlargement diagram in Fig. 3 at B.
In figure: 1. hydraulic cylinders；2. fuel tank；3. rear end cap；4. channel I；5. piston；6. piston rod；7. drive end bearing bracket；8. compressing
Nut；9. fuel tank nut；10. rotary sleeve；11. confined space；12. channel II；13. channel III；14. fuel feed hole；15. fuel-displaced
Hole；16. buffing pad；17. liquidometer；18. locking nut；19. annular groove I；20. dust guard；21. sealing element；22. annular is recessed
Slot II；23. Glais ring；24.V shape circle；25. support ring；26. annular groove III；27. fixation hole；28. flange；29. fixing slot；
30. flanging.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
As shown in Figures 1 to 5, a kind of fuel tank hydraulic cylinder, including hydraulic cylinder 1, rear end cap 3 and be set in outside hydraulic cylinder 1
Cylindricality fuel tank 2；3 inner wall of rear end cap and the sealing of 1 outer wall of hydraulic cylinder are fixed, and outer wall is fixed with 2 inner wall of fuel tank；In rear end cap 3
It is additionally provided with the channel I 4 being connected to outside, 1 lower end of hydraulic cylinder is communicated with channel I 4；Be equipped in hydraulic cylinder 1 piston 5 and with piston 5
Affixed piston rod 6 is equipped with the drive end bearing bracket 7 sealed with piston rod 6 and hydraulic cylinder 1 at the top of hydraulic cylinder 1；Drive end bearing bracket 7 with it is hydraulic
Cylinder is further fixed on clamp nut 8 on the outside of 1 top；The top of fuel tank 2, which is fixed with, seals fixation with hydraulic cylinder 1 and fuel tank 2
Fuel tank nut 9；9 top of fuel tank nut and the sealing of 8 lower outside of clamp nut are fixed with rotary sleeve 10, and three forms confined air
Between 11；11 in confined space, top is equipped with the channel II 12 being connected to rotary sleeve 10, and lower part is logical equipped with what is be connected to hydraulic cylinder 1
Road III 13；The upper and lower ends of 2 wall of fuel tank further respectively have fuel feed hole 14 and oil outlet 15.
In the present invention, 3 inner wall of rear end cap and the sealing of 1 outer wall of hydraulic cylinder are fixed, and outer wall is fixed with 2 inner wall of fuel tank, In
While guaranteeing to seal with fuel tank 2 and hydraulic cylinder 1, play the role of support；Channel I 4 is for oily entrance and pushes piston 5
It moves upwards, and then piston 5 drives the realization of piston rod 6 to move up；The drive end bearing bracket 7 sealed with piston rod 6 and hydraulic cylinder 1,
Both it had prevented the oil on piston rod 6 to be carried over hydraulic cylinder 1, and had in turn ensured the leakproofness of hydraulic cylinder 1, and prevented oil from 1 quilt of hydraulic cylinder
It squeezes out；Clamp nut 8 plays the role of further fastening to hydraulic cylinder 1 and drive end bearing bracket 7 to be compressed；It is close with hydraulic cylinder 1 and fuel tank 2
The fixed fuel tank nut 9 of sealing ensure that the airtightness in fuel tank 2；10 three of 9 top of fuel tank nut, clamp nut 8 and rotary sleeve
Confined space 11 is formed, top is equipped with the channel II 12 being connected to rotary sleeve 10 and lower part and is equipped with the channel being connected to hydraulic cylinder 1
III 13 are used to the into and out of oil, and when oily entrance can push piston 5 that piston rod 6 is driven to move downward, and piston 5, which drives, lives
Oil just exports when the realization of stopper rod 6 moves up.2 wall upper end of fuel tank is additionally provided with fuel feed hole 14, is used for oil inlet, and oil inlet can be supplement
Oil is also possible to the entrance of the oil in hydraulic pump；Oil outlet 15 is fuel-displaced for entering from channel I 4 or channel III 13 for fuel-displaced
Hydraulic cylinder 1.
When in use, when needing to jack piston rod 6, the oil in fuel tank 2 enters channel I 4 by oil outlet 15, is used for piston 5
The realization of piston rod 6 is driven to move up；Need to reduce piston rod 5, the oil in fuel tank 2 is entered channel II 12 by oil outlet 15 and led to
It crosses channel III 13 and enters hydraulic cylinder 1, push piston 5 that the realization of piston rod 6 is driven to move down, while the oil that hydraulic cylinder 1 comes out can
Directly to enter fuel tank 2 by fuel feed hole 14.In addition, the oil in fuel tank 2 is by oil outlet when there is also needing to jack piston rod 6
15 enter channel I 4, and while driving the realization of piston rod 6 to move up for piston 5, the oil of hydraulic cylinder 1 is by directly passing through oil inlet
Hole 14, which enters, flows into fuel tank 2 through channel III 13, channel II 12.Whole design shortens fuel tank 2 and 1 oil circuit of hydraulic cylinder, hydraulic to change
Xiang Shike rapidly, and saves space with faster response, commutation.In whole process, it can be matched by switching valve and external pump
Closing operation is completed, and because the main body that the present invention protects is fuel tank hydraulic pump, therefore is not described in detail herein.
Further, as shown in figure 3, in hydraulic cylinder 1, a cylindrical buffer seat 16 is arranged on piston rod 6.Buffing pad 16
Match with hydraulic cylinder 1, buffer function is played to piston 5, the service life of fuel tank hydraulic pump can be extended.
Further, as shown in figure 3, being additionally provided with the liquidometer 17 being connected to fuel tank 2 on 2 outer wall of fuel tank.Liquidometer 17 makes
The metering visualization for obtaining the oil mass in fuel tank 2, can be adjusted according to oil mass therein in real time, guarantee there is abundance in fuel tank 2
Oil mass.
Further, as shown in Figure 3 and Figure 4,8 upper outside of clamp nut is additionally provided with locking nut 18.Locking nut 18
Clamp nut 8 is further compressed, guarantees closing for clamp nut 8, strengthens sealing effect.
Further, as shown in Figure 3 and Figure 4,8 upper inside wall of clamp nut is equipped with 6 contact position of piston rod and outer wall
Annular groove I 19；It is equipped with dust guard 20 in inner wall annular groove I 19, is equipped with sealing element 21 in outer wall annular groove I 19.It compresses
Nut 8 and 10 transition fit of rotary sleeve or interference fit, are sealed using sealing element 21 between the two, are guaranteed in sealing space
Oil will not leak out；Dust guard 20 plays dust-proof effect, guarantees that dust or fine impurities will not enter.
Further, as shown in Figure 3 and Figure 4, annular groove II 22 is equipped on 7 inner and outer wall of drive end bearing bracket；Inner wall is certainly
It is equipped with Glais ring 23, v shaped ring 24 and support ring 25 in annular groove II 22 under, is equipped in outer wall annular groove II 22 close
Sealing 21.Glais ring 23 is composed of a rubber o-ring and polytetrafluoroethylene (PTFE) circle, and O-ring force, Glais ring 23 is double cropping
Use piston seal；Its frictional force is low, and without creeping, startup power is small, high pressure resistant.V shaped ring 24 is a kind of lip-type packing.Support ring 25
Play the role of certain supporting role to piston rod 6, preliminary oil strain is played to piston rod 6, and reduce Glais ring to a certain extent
23 and v shaped ring 24 stress.
Further, as shown in Figures 3 to 5,9 outer wall of fuel tank nut, 3 outer wall of rear end cap, 1 outer wall lower part of hydraulic cylinder are with after
3 junction of end cap, 1 outer wall top of hydraulic cylinder and 9 junction of fuel tank nut and 5 inner and outer wall of piston are equipped with annular groove
III 26, and sealing element 21 is equipped in annular groove III 26.The number of annular groove III 26 at each component of annular groove III 26
Amount is 1 or 1 or more.Specifically, annular groove III 26, outer wall are equipped between 9 outer wall top of fuel tank nut and rotary sleeve 10
Annular groove III 26 is equipped between lower part and fuel tank 2；Annular groove III 26 is equipped between 3 outer wall of rear end cap and fuel tank 2；Hydraulic cylinder
It is equipped with annular groove III 26 between 3 inner wall of 1 inner wall bottom and rear end cap, is equipped between 1 outer wall of hydraulic cylinder and fuel tank nut 9 hydraulic
Annular groove III 26 is equipped between cylinder 1；Annular groove is equipped between 5 inner wall of piston and piston rod 6 and between outer wall and hydraulic cylinder 1
III 26, outer wall annular groove III 26 is equipped with v shaped ring 24, support ring 25, Glais ring 23, support ring 25 and v shaped ring 24 from top to bottom,
And effect is same as the effect of same parts in drive end bearing bracket 7；In addition to 5 outer wall of piston, sealing is equipped in remaining annular groove III 26
Part 21, for guaranteeing whole leakproofness.
Further, shown in as shown in Figure 1, Figure 2, Fig. 3 and Fig. 5,3 bottom end of rear end cap is additionally provided with the flange with fixation hole 27
28.Flange 28 can play the role of supporting fuel tank hydraulic cylinder, and also flange 28 can be fixed on it by fixation hole 27
On his local or component, it is easy to use.
Further, as shown in Figure 3 and Figure 4, on locking nut 18, fixing is additionally provided with lower part at 8 matching of clamp nut
Slot 29.External tool can screw locking nut 18 by fixing slot 29, and then further fix clamp nut 8, side
Just it installs.
Further, as shown in Figure 3 and Figure 4, it uses and is screwed between locking nut 18 and clamp nut 8；Locking screw
It uses and is screwed between mother 18 and hydraulic cylinder 1；7 upper end of drive end bearing bracket be equipped with flanging 30, flanging 30 be fixed on locking nut 18 with
Between hydraulic cylinder 1；It is transition between fuel tank 2 and rotary sleeve 10 using being screwed between fuel tank nut 9 and hydraulic cylinder 1
Cooperation or interference fit；3 upper inside wall of rear end cap, using being screwed, is matched with hydraulic cylinder 1 with 2 transition fit of fuel tank or interference
It closes.It is screwed and transition fit or interference fit, ensure that the stability of whole fuel tank hydraulic cylinder connection.
Further, as shown in Figure 1 to Figure 3, it uses and is screwed between 6 lower part of piston rod and piston 5；Guarantee piston rod
6 can preferably move with piston 5 together.
Further, as shown in Figure 3 and Figure 5,6 top of piston rod is equipped with screw thread；The convenient cooperation with other component.
Further, sealing element 21 is sealing ring.Sealing ring is pressed rear possessed elasticity by notch or slot and is pushed against
On the wall of static element, to play the role of sealing.
Claims (10)
1. a kind of fuel tank hydraulic cylinder, it is characterised in that: including hydraulic cylinder (1), rear end cap (3) and be set in hydraulic cylinder (1) outside
Cylindricality fuel tank (2)；Rear end cap (3) inner wall and the sealing of hydraulic cylinder (1) outer wall are fixed, and outer wall is fixed with fuel tank (2) inner wall；Afterwards
The channel I (4) being connected to outside is additionally provided in end cap (3), hydraulic cylinder (1) lower end is communicated with channel I (4)；It is set in hydraulic cylinder (1)
There are piston (5) and the piston rod (6) affixed with piston (5), is equipped at the top of hydraulic cylinder (1) equal with piston rod (6) and hydraulic cylinder (1)
The drive end bearing bracket (7) of sealing；Clamp nut (8) are further fixed on the outside of drive end bearing bracket (7) and hydraulic cylinder (1) top；The top of fuel tank (2)
End, which is fixed with, seals fixed fuel tank nut (9) with hydraulic cylinder (1) and fuel tank (2)；Fuel tank nut (9) top and clamp nut
(8) lower outside sealing is fixed with rotary sleeve (10), and three forms confined space (11)；In confined space (11), top is set
There is the channel II (12) being connected to rotary sleeve (10), lower part is equipped with the channel III (13) being connected to hydraulic cylinder (1)；Fuel tank (2) wall
Upper and lower ends further respectively have fuel feed hole (14) and oil outlet (15).
2. fuel tank hydraulic cylinder according to claim 1, it is characterised in that: in hydraulic cylinder (1), piston rod is arranged on (6)
One cylindrical buffer seat (16).
3. fuel tank hydraulic cylinder according to claim 1 or 2, it is characterised in that: be additionally provided on fuel tank (2) outer wall and fuel tank
(2) liquidometer (17) being connected to.
4. fuel tank hydraulic cylinder according to claim 1 or 2, it is characterised in that: clamp nut (8) upper outside is additionally provided with lock
Tight nut (18).
5. fuel tank hydraulic cylinder according to claim 3, it is characterised in that: clamp nut (8) upper outside is additionally provided with locking
Nut (18).
6. according to claim 1, fuel tank hydraulic cylinder described in 2 or 5, it is characterised in that: clamp nut (8) upper inside wall and piston
Bar (6) contact position and outer wall are equipped with annular groove I (19)；Dust guard (20) are equipped in inner wall annular groove I, outer wall circular is recessed
Sealing element (21) are equipped in slot I (19).
7. fuel tank hydraulic cylinder according to claim 3, it is characterised in that: clamp nut (8) upper inside wall and piston rod (6)
Contact position and outer wall are equipped with annular groove I (19)；Dust guard (20) are equipped in inner wall annular groove I, outer wall annular groove I
(19) sealing element (21) are equipped in.
8. fuel tank hydraulic cylinder according to claim 4, it is characterised in that: clamp nut (8) upper inside wall and piston rod (6)
Contact position and outer wall are equipped with annular groove I (19)；Dust guard (20) are equipped in inner wall annular groove I, outer wall annular groove I
(19) sealing element (21) are equipped in.
9. according to claim 1, fuel tank hydraulic cylinder described in 2,5,7 or 8, it is characterised in that: on drive end bearing bracket (7) inner and outer wall
It is equipped with annular groove II (22)；Be equipped in the annular groove II (22) of inner wall from top to bottom Glais ring (23), v shaped ring (24) and
Support ring (25), outer wall annular groove II (22) is interior to be equipped with sealing element (21).
10. according to claim 1, fuel tank hydraulic cylinder described in 2,5,7 or 8, it is characterised in that: fuel tank nut (9) outer wall, rear end
Lid (3) outer wall, hydraulic cylinder (1) inner wall lower and outer wall top and piston (5) inner and outer wall are equipped with annular groove III (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910803558.6A CN110469556A (en) | 2019-08-28 | 2019-08-28 | A kind of fuel tank hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910803558.6A CN110469556A (en) | 2019-08-28 | 2019-08-28 | A kind of fuel tank hydraulic cylinder |
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| Publication Number | Publication Date |
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| CN110469556A true CN110469556A (en) | 2019-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910803558.6A Pending CN110469556A (en) | 2019-08-28 | 2019-08-28 | A kind of fuel tank hydraulic cylinder |
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| CN (1) | CN110469556A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1965169A (en) * | 2004-10-08 | 2007-05-16 | 施塔比鲁斯有限责任公司 | Linear drive |
| CN101140002A (en) * | 2007-09-18 | 2008-03-12 | 江苏牡丹离心机制造有限公司 | Compound oil cylinder |
| CN101893017A (en) * | 2010-07-22 | 2010-11-24 | 泸州众大科技液压件有限公司 | Multi-functional integrated type hydraulic cylinder |
| CN107504014A (en) * | 2017-10-13 | 2017-12-22 | 烟台未来自动装备有限责任公司 | A kind of telescopic two-stage double acting assembled hydraulic cylinder |
| CN210859403U (en) * | 2019-08-28 | 2020-06-26 | 重庆宏广机电工程有限公司 | Oil tank hydraulic cylinder |
-
2019
- 2019-08-28 CN CN201910803558.6A patent/CN110469556A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1965169A (en) * | 2004-10-08 | 2007-05-16 | 施塔比鲁斯有限责任公司 | Linear drive |
| CN101140002A (en) * | 2007-09-18 | 2008-03-12 | 江苏牡丹离心机制造有限公司 | Compound oil cylinder |
| CN101893017A (en) * | 2010-07-22 | 2010-11-24 | 泸州众大科技液压件有限公司 | Multi-functional integrated type hydraulic cylinder |
| CN107504014A (en) * | 2017-10-13 | 2017-12-22 | 烟台未来自动装备有限责任公司 | A kind of telescopic two-stage double acting assembled hydraulic cylinder |
| CN210859403U (en) * | 2019-08-28 | 2020-06-26 | 重庆宏广机电工程有限公司 | Oil tank hydraulic cylinder |
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