CN110425185A - A kind of novel high-pressure accurate voltage regulating device - Google Patents
A kind of novel high-pressure accurate voltage regulating device Download PDFInfo
- Publication number
- CN110425185A CN110425185A CN201910782291.7A CN201910782291A CN110425185A CN 110425185 A CN110425185 A CN 110425185A CN 201910782291 A CN201910782291 A CN 201910782291A CN 110425185 A CN110425185 A CN 110425185A
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- Prior art keywords
- regulating device
- voltage regulating
- novel high
- accurate voltage
- piston rod
- Prior art date
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 20
- 229910001220 stainless steel Inorganic materials 0.000 claims description 10
- 239000010935 stainless steel Substances 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 238000007789 sealing Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 239000007787 solid Substances 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
- F15B15/08—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
- F15B15/1471—Guiding means other than in the end cap
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B3/00—Intensifiers or fluid-pressure converters, e.g. pressure exchangers; Conveying pressure from one fluid system to another, without contact between the fluids
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
The present invention discloses a kind of novel high-pressure accurate voltage regulating device, is related to high-pressure calibration technical field, may include: pressurized cylinder main body, stepper motor, screw rod and piston rod；The pressurized cylinder main body includes booster cavity, connector sleeve and support sleeve, and one end of the connector sleeve is socketed on the outer diameter of the booster cavity, and the other end is connect with the support sleeve；One end of the screw rod is connect with the output end of the stepper motor, and the other end connects the piston rod, and the screw rod protrudes into the support sleeve, and is rotatablely connected with the support sleeve；The piston rod passes through the connector sleeve and protrudes into the booster cavity.The present invention drives the flexible of piston rod to control pressure to change the volume of hermetic type chamber by motor, and precision is not high in terms of solving the problems, such as high-pressure calibration.
Description
Technical field
The present invention relates to high-pressure calibration technical fields, more particularly to a kind of novel high-pressure accurate voltage regulating device.
Background technique
In the prior art, ratio pressurized cylinder compressed liquid is usually driven by using pressure regulation valve regulation bleed pressure real
Now control the size of pressure；But existing above scheme, it has the disadvantage in that
Since gas source will receive temperature and the not high influence of regulator precision, high pressure repeatable accuracy is not achieved in proportioning cylinder
Requirement.
Therefore, a kind of pressure control device is needed, preferably to solve the problems, such as that high-pressure calibration aspect precision is not high.
Summary of the invention
The object of the present invention is to provide a kind of novel high-pressure accurate voltage regulating device, by motor drive piston rod it is flexible come
Change the volume of hermetic type chamber to control pressure, precision is not high in terms of solving the problems, such as high-pressure calibration.
To achieve the above object, the present invention provides following schemes: the present invention provides a kind of novel high-pressure accurate voltage regulating dress
It sets, including pressurized cylinder main body, stepper motor, screw rod and piston rod；The pressurized cylinder main body includes booster cavity, connector sleeve and support
Set, one end of the connector sleeve are socketed on the outer diameter of the booster cavity, and the other end is connect with the support sleeve；The screw rod
One end is connect with the output end of the stepper motor, and the other end connects the piston rod, and the screw rod protrudes into the support sleeve,
And it is rotatablely connected with the support sleeve；The piston rod passes through the connector sleeve and protrudes into the booster cavity.
Preferably, red copper gasket is provided between the booster cavity and the connector sleeve.
Preferably, it is provided with stainless steel axle sleeve and oilless bushing in the connector sleeve, is provided in the booster cavity stainless
Steel shaft set, for being oriented to for the piston rod.
Preferably, the piston rod is tightly connected by y-type seal ring and the booster cavity, the connector sleeve.
Preferably, the oilless bushing is fixed on the connector sleeve by fixture nut close to the one of the support sleeve
End.
Preferably, the both ends of the connector sleeve are connect with the booster cavity, the thread of supporting sleeves respectively.
Preferably, the screw rod uses trapezoidal screw, and the trapezoidal screw is connect by trapezoidal nut with the support sleeve；
The trapezoidal nut is fixed in the support sleeve, and the trapezoidal screw is threadedly coupled with the trapezoidal nut.
It preferably, further include bottom plate, the both ends of the pressurized cylinder main body are fixed on the bottom plate by supporting support；Institute
It states and is provided with mounting hole at the top of supporting support for installing the pressurized cylinder main body, the center of the mounting hole and the stepping
The axis center of motor keeps same center line.
Preferably, the output end of the stepper motor is connected with retarder, and the retarder passes through shaft coupling and the silk
Bar connection；Linear slide rail is additionally provided on the bottom plate, sliding is equipped with linear slide block, the stepper motor on the linear slide rail
It is fixed on the linear slide block with the retarder by stepping motor bracket.
Preferably, the screw rod is fixed with transmission connection set by fixed jackscrew close to one end of the piston rod, described
The end of piston rod is fixed in the transmission connection set, and is connect by thrust bearing and angle bearing with the screw rod.
The present invention achieves following technical effect compared with the existing technology:
1, the application drives the flexible of piston rod to control pressure to change the volume of hermetic type chamber by stepper motor, solves
It has determined in the not high problem of high pressure (4MPa --- 60MPa) pressure control precision and stability；
2, pressurization intracavity liquid can pass through the Y of y-type seal ring to one reaction force of y-type seal ring when being pressurized cylinder working
Type groove expands upper and lower diaphragm to both sides, the surface of connector sleeve and piston rod is adjacent to, to play sealing function, and pressure is got over
Height, sealing effect are better；
3, stainless steel axle sleeve and oilless bushing are set, and in inside is moved forward and backward, the two can play well piston rod
Guiding role guarantees that piston rod is not eccentric, while also playing fixed and protection sealing ring effect.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of novel high-pressure accurate voltage regulating device of the present invention；
Fig. 2 is the structural schematic diagram of pressurized cylinder main body in the present invention；
Fig. 3 is the operation principle schematic diagram of y-type seal ring in the present invention；
Fig. 4 is the schematic diagram of stainless steel axle sleeve and oilless bushing in the present invention；
Fig. 5 is the scheme of installation of novel high-pressure accurate voltage regulating device of the present invention；
Fig. 6 is piston rod shifting principle schematic diagram in the present invention；
Fig. 7 is the first view of the mounting hole of supporting support in the present invention；
Fig. 8 is the second view of the mounting hole of supporting support in the present invention；
Fig. 9 is transmission device schematic diagram of the present invention；
Wherein, 1. booster cavity, 2. connector sleeves, 3. stainless steel axle sleeves, 4. red copper gaskets, 5. oilless bushings, the sealing of 6.Y type
Circle, 7. fixture nuts, 8. piston rods, 9. support sleeves, 10. trapezoidal screws, 11. trapezoidal nuts, 12. supporting supports, 13. shaft couplings
Device, 14. stepping motor brackets, 15. bottom plates, 16. linear slide rails, 17. linear slide blocks, 18. retarders, 19. stepper motors, 20.
Transmission connection set, 21. thrust bearings, 22. angle bearings, 23. mounting holes, 24. pressurized cylinder main bodys.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of novel high-pressure accurate voltage regulating device, by motor drive piston rod it is flexible come
Change the volume of hermetic type chamber to control pressure, precision is not high in terms of solving the problems, such as high-pressure calibration.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Embodiment one
As shown in figs 1-9, the present embodiment provides a kind of novel high-pressure accurate voltage regulating devices, including pressurized cylinder main body 24, step
Into motor 19, screw rod and piston rod 8；The pressurized cylinder main body 24 includes booster cavity 1, connector sleeve 2 and support sleeve 9, the connection
One end of set 2 is socketed on the outer diameter of the booster cavity 1, and the other end is connect with the support sleeve 9, further, the connection
The both ends of set 2 are threadedly coupled with the booster cavity 1, the support sleeve 9 respectively；One end of the screw rod and the stepper motor 19
Output end connection, the other end connects the piston rod 8, and the screw rod protrudes into the support sleeve 9, and with the support sleeve 9
Rotation connection；The piston rod 8 passes through the connector sleeve 2 and protrudes into the booster cavity 1.
In the present embodiment, red copper gasket 4 is provided between the booster cavity 1 and the connector sleeve 2 to be sealed.
In the present embodiment, stainless steel axle sleeve 3 and oilless bushing 5 are provided in the connector sleeve 2, in the booster cavity 1
It is provided with stainless steel axle sleeve 3, for being oriented to for the piston rod 8, the oilless bushing 5 is fixed on by fixture nut 7
Close to one end of the support sleeve 9 on the connector sleeve 2；The piston rod 8 passes through y-type seal ring 6 and the booster cavity 1, institute
State the sealed connection of connector sleeve 2.
Specifically, as shown in figure 3, liquid can give 6 one reaction forces of y-type seal ring in booster cavity 1 when being pressurized cylinder working,
Upper and lower diaphragm is expanded to both sides by the Y type groove of y-type seal ring 6, the surface of connector sleeve 2 and piston rod 8 is adjacent to, to play
Sealing function, and pressure is higher, and sealing effect is better.
As shown in figure 4, piston rod 8 is in inside is moved forward and backward, stainless steel axle sleeve 3 and oilless bushing 5 are sheathed on piston rod 8
In, the two can play good guiding role, guarantee that piston rod 8 is not eccentric；Further, stainless steel axle sleeve 3 and oil-free axis
Set 5 is arranged close to y-type seal ring 6, while also playing fixed and protection sealing ring effect.
As shown in figure 5, further including bottom plate 15 in the present embodiment, the both ends of the pressurized cylinder main body 24 pass through support branch
Frame 12 is fixed on the bottom plate 15；The output end of the stepper motor 19 is connected with retarder 18, and the retarder 18 passes through
Shaft coupling 13 is connect with the screw rod；It is additionally provided with linear slide rail 16 on the bottom plate 15, slides and sets on the linear slide rail 16
Linear sliding block 17, the stepper motor 19 and the retarder 18 are fixed on the linear slide block by stepping motor bracket 14
On 17.
As shown in fig. 6, in the present embodiment, the screw rod uses trapezoidal screw 10, the trapezoidal screw 10 passes through trapezoidal
Nut 11 is connect with the support sleeve 9, is respectively provided with trapezoidal thread on trapezoidal screw and trapezoidal nut 11；The trapezoidal nut 11 is solid
Due in the support sleeve 9, the trapezoidal screw 10 is threadedly coupled with the trapezoidal nut 11.At work, stepper motor 19
Rotation will drive the rotation of trapezoidal screw 10, due to trapezoidal nut 11 be it is fixed, influenced by screw thread itself, screw rod
It will be moved forward and backward；The self-locking function that another aspect trapezoidal thread has makes it possess the ability for bearing stronger axial compressive force.
As shown in FIG. 7 and 8, the top of the supporting support 12 is provided with mounting hole 23 for installing the pressurized cylinder main body
24, pressurized cylinder main body 24 is supported and is fixed；The axis center of the center of the mounting hole 23 and the stepper motor 19 is protected
Same center line is held, guarantees that stepper motor 19 and screw rod can be driven to move along linear slide rail 16 or so when 19 positive and negative rotation of stepper motor
It is dynamic.
As shown in figure 9, in the present embodiment, the screw rod is fixed close to one end of the piston rod 8 by fixed jackscrew
There is transmission connection set 20, the end of the piston rod 8 is fixed in the transmission connection set 20, and passes through thrust bearing 21 and angle
Degree bearing 22 is connect with the screw rod；Specifically, thrust bearing 21 is provided with one, and there are two the settings of angle bearing 22, and two
Angle bearing 22 is applied in combination.
Wherein, thrust bearing 21 is set and angle bearing 22 has the effect that the principle of first, bearing is to roll and rub
It wipes and replaces sliding friction, so the power of screw rod rotation can be cancelled when being transmitted to piston rod 8, generate rotational speed difference, in the application
Piston rod 8 does not rotate in contacting with sealing ring, reduces friction, improves the service life of the two；The second, thrust bearing
21 and two angle bearings 22 axially can bear certain load-bearing capacity, guarantee that piston rod 8 is normally moved forward and backward, realize
Pressure control；Third, angle bearing 22 have certain centripetence again, guarantee that piston rod 8 is not eccentric.
Specific examples are applied in the present invention, and principle and implementation of the present invention are described, above embodiments
Illustrate to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, according to
According to thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification
It should not be construed as limiting the invention.
Claims (10)
1. a kind of novel high-pressure accurate voltage regulating device, it is characterised in that: including pressurized cylinder main body, stepper motor, screw rod and piston
Bar；The pressurized cylinder main body includes booster cavity, connector sleeve and support sleeve, and one end of the connector sleeve is socketed in the booster cavity
On outer diameter, the other end is connect with the support sleeve；One end of the screw rod is connect with the output end of the stepper motor, the other end
The piston rod is connected, the screw rod protrudes into the support sleeve, and is rotatablely connected with the support sleeve；The piston rod passes through
The connector sleeve simultaneously protrudes into the booster cavity.
2. novel high-pressure accurate voltage regulating device according to claim 1, it is characterised in that: the booster cavity and the connection
Red copper gasket is provided between set.
3. novel high-pressure accurate voltage regulating device according to claim 2, it is characterised in that: be provided with not in the connector sleeve
Steel shaft of becoming rusty covers and oilless bushing, stainless steel axle sleeve is provided in the booster cavity, for being oriented to for the piston rod.
4. novel high-pressure accurate voltage regulating device according to claim 3, it is characterised in that: the piston rod is close by Y type
Seal and the booster cavity, the connector sleeve are tightly connected.
5. novel high-pressure accurate voltage regulating device according to claim 4, it is characterised in that: the oilless bushing passes through fixation
Nut is fixed on one end on the connector sleeve close to the support sleeve.
6. novel high-pressure accurate voltage regulating device according to claim 1, it is characterised in that: distinguish at the both ends of the connector sleeve
It is connect with the booster cavity, the thread of supporting sleeves.
7. novel high-pressure accurate voltage regulating device according to claim 1, it is characterised in that: the screw rod uses trapezoidal silk
Bar, the trapezoidal screw are connect by trapezoidal nut with the support sleeve；The trapezoidal nut is fixed in the support sleeve, institute
Trapezoidal screw is stated to be threadedly coupled with the trapezoidal nut.
8. novel high-pressure accurate voltage regulating device according to claim 1, it is characterised in that: it further include bottom plate, the pressurization
The both ends of cylinder main body are fixed on the bottom plate by supporting support；Mounting hole is provided at the top of the supporting support for pacifying
Fill the pressurized cylinder main body, the same center line of axis center holding at the center of the mounting hole and the stepper motor.
9. novel high-pressure accurate voltage regulating device according to claim 8, it is characterised in that: the output end of the stepper motor
It is connected with retarder, the retarder is connect by shaft coupling with the screw rod；Linear slide rail, institute are additionally provided on the bottom plate
It states on linear slide rail sliding and is equipped with linear slide block, the stepper motor and the retarder are fixed on institute by stepping motor bracket
It states on linear slide block.
10. novel high-pressure accurate voltage regulating device according to claim 1, it is characterised in that: the screw rod is close to the work
One end of stopper rod is fixed with transmission connection set by fixed jackscrew, and the transmission connection set is fixed in the end of the piston rod
It is interior, and connect by thrust bearing and angle bearing with the screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910782291.7A CN110425185A (en) | 2019-08-23 | 2019-08-23 | A kind of novel high-pressure accurate voltage regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910782291.7A CN110425185A (en) | 2019-08-23 | 2019-08-23 | A kind of novel high-pressure accurate voltage regulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110425185A true CN110425185A (en) | 2019-11-08 |
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ID=68417288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910782291.7A Pending CN110425185A (en) | 2019-08-23 | 2019-08-23 | A kind of novel high-pressure accurate voltage regulating device |
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| CN (1) | CN110425185A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112212911A (en) * | 2020-10-12 | 2021-01-12 | 红旗仪表（长兴）有限公司 | Micro-pressure alternating testing machine and testing method |
| CN114321031A (en) * | 2021-12-30 | 2022-04-12 | 广州晶品智能压塑科技股份有限公司 | Intelligent stepping pressurizing oil cylinder |
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| CN103949930A (en) * | 2014-03-20 | 2014-07-30 | 泉州利达机器有限公司 | Hydraulic numerical control powerful feeding mechanism |
| CN106246496A (en) * | 2016-10-10 | 2016-12-21 | 长春市科意试验仪器有限公司 | A kind of high pressure low discharge core flooding pump based on rock indoor experiment |
| CN108302087A (en) * | 2018-04-11 | 2018-07-20 | 江苏恒立液压股份有限公司 | Long stroke elevating ram |
| CN207762050U (en) * | 2018-01-13 | 2018-08-24 | 恒岳工程机械有限责任公司 | A kind of excavator bucket oil cylinder |
| CN209228734U (en) * | 2018-12-12 | 2019-08-09 | 长春博达汽车零部件有限公司 | A kind of die casting machine pressurized cylinder regulator |
| CN210509776U (en) * | 2019-08-23 | 2020-05-12 | 红旗仪表（长兴）有限公司 | Novel high-voltage precise pressure regulating device |
-
2019
- 2019-08-23 CN CN201910782291.7A patent/CN110425185A/en active Pending
Patent Citations (7)
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|---|---|---|---|---|
| CN103352842A (en) * | 2013-06-14 | 2013-10-16 | 郑祥模 | Manual and precision plunger pressuring pump |
| CN103949930A (en) * | 2014-03-20 | 2014-07-30 | 泉州利达机器有限公司 | Hydraulic numerical control powerful feeding mechanism |
| CN106246496A (en) * | 2016-10-10 | 2016-12-21 | 长春市科意试验仪器有限公司 | A kind of high pressure low discharge core flooding pump based on rock indoor experiment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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