CN208634001U - A kind of vector controlled pump - Google Patents
A kind of vector controlled pump Download PDFInfo
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- CN208634001U CN208634001U CN201821222451.XU CN201821222451U CN208634001U CN 208634001 U CN208634001 U CN 208634001U CN 201821222451 U CN201821222451 U CN 201821222451U CN 208634001 U CN208634001 U CN 208634001U
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- shaft
- connecting shaft
- mounting groove
- transmission shaft
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Abstract
The utility model provides a kind of vector controlled pump, is driven by dual power source, so that structure is simple, output characteristics can be according to circumstances adjusted by program, so that its is applied widely.It includes overall structure composed by cylinder body and plunger pair, it is described integrally-built central axial through there is transmission shaft, the both ends of the transmission shaft externally protrude out in the end wall of the cylinder body of corresponding end respectively, one end of the evagination of the transmission shaft is connected with the straight line output end that straight-line electric directly drives element by bearing jointing structure, the straight-line electric, which directly drives, is provided with displacement sensor on element, the other end of the evagination of the transmission shaft is connected with connecting shaft, the connecting shaft is arranged perpendicular to the transmission shaft, arrangement in the mounting groove of drive shaft inner end is stretched in the length direction both ends of the connecting shaft, the correspondence shaft end of the connecting shaft is set in mounting groove, the correspondence shaft end of mounting groove and the connecting shaft is formed in parallel with the axial activity spacing of the center transmission shaft axis.
Description
Technical field
The utility model relates to pump the technical field of class formation, specially a kind of vector controlled pump.
Background technique
Hydraulic pump is the dynamical element in hydraulic system, and mechanical energy is transformed into hydraulic energy by it, provides a level pressure to system
The oil liquid of force flow amount.Currently, hydraulic pump mainly has four kinds of vane pump, gear pump, plunger pump and screw pump forms, wherein using most
To be widely plunger pump.Plunger pump is the variation of seal operation volume when being moved back and forth in plunger hole by plunger to realize
Oil suction and oil extraction.Axial plunger pump and radial plunger pump can be divided into according to plunger motion form.The advantages of plunger pump is leakage
It is small, after volumetric efficiency is high, can work under high pressure, however the inner cam form of existing axial plunger pump is fixed so that
The stroke of corresponding plunger pump is non-adjustable, so that the narrow application range of each plunger pump.
Summary of the invention
In view of the above-mentioned problems, the utility model provides a kind of vector controlled pump, driven by dual power source, so that knot
Structure is simple, mechanical efficiency is high, high reliablity, and output characteristics can be according to circumstances adjusted by program, so that it is applicable in model
It encloses wide.
A kind of vector controlled pump, it is characterised in that: it includes overall structure composed by cylinder body and plunger pair, the entirety
Structure it is central axial through there is transmission shaft, the both ends of the transmission shaft externally protrude out in the end wall of the cylinder body of corresponding end respectively, described
One end of the evagination of transmission shaft is connected with the straight line output end that straight-line electric directly drives element by bearing jointing structure, described straight
Line electricity directly drives and is provided with displacement sensor on element, and the other end of the evagination of the transmission shaft is connected with connecting shaft, described
Connecting shaft is arranged perpendicular to the transmission shaft, and the mounting groove of drive shaft inner end is stretched in the length direction both ends of the connecting shaft
Interior arrangement, the correspondence shaft end that the correspondence shaft end of the connecting shaft is set to interior mounting groove, mounting groove and the connecting shaft form flat
For row in the axial activity spacing of the center transmission shaft axis, the outer end center of the drive shaft is connected with servo motor
Output end, the servo motor are built-in with rotary encoder.
It is further characterized by: evagination one end of the transmission shaft is set with angular contact bearing, the angular contact bearing
Outer ring be connected with the corresponding interior concave ring groove in straight line transmission axle inner end, circumferential surface is set with directly outside the inner end of the straight line transmission axle
The respective side bulge loop wall arrangement of the cylinder body, the straight line transmitting are close in line rolling bearing, the outer ring of the linear roller bearing
The center outer end connection straight-line electric of axis directly drives element；
The part positioned at the transmission shaft two sides of the connecting shaft is respectively installed with deep groove ball bearing, the deep-groove ball axis
The outer ring held is placed in the mounting groove of the drive shaft respective side, and connecting shaft drives the outer ring of deep groove ball bearing along mounting groove
Axial length direction linear reciprocation advance, the length of the axial direction activity space directly drives element not less than the straight-line electric
Linear drives distance, it is ensured that the work well of pump；
The inner end of the drive shaft is specially U-shaped shape and structure, the outer end difference of the two sidewalls of the U-shaped shape and structure
It is disposed with corresponding mounting groove, the deep groove ball bearing is vertical into space flush-mounted in the mounting groove, the mounting groove
There are the axial activity space of deep groove ball bearing, the drive shaft driving deep groove ball bearing and connecting shafts in horizontal axis space
Rotation, the connecting shaft drive the transmission shaft to rotate again；
The inner end outer end face that the length direction both ends of the connecting shaft correspond to the corresponding deep groove ball bearing distinguishes cloth
It is equipped with corresponding bearing cap, it is ensured that the installation of deep groove ball bearing is reliable and stable；
It includes but is not limited to linear motor, proportion electro-magnet or linear force motor that the straight-line electric, which directly drives element,.
After adopting the above technical scheme, cylinder body, line electricity directly drive element, servo motor difference position fixed and arranged, it can
The driver of programming is separately connected line electricity and directly drives element, servo motor；By servo motor+rotary encoder+driver structure
At the closed loop servo-control system of rotary motion, the accurate control to angle is realized；Servo motor and rotary encoder driving pass
The rotation of turn axis, drive shaft drives transmission shaft rotation, due to the presence of bearing jointing structure, so that the rotation of transmission shaft will not
It interferes with straight-line electric and directly drives element；Element+displacement sensor+driver is directly driven by straight-line electric and constitutes linear reciprocation fortune
Dynamic Close loop servo control, realizes the accurate positioning to displacement, and straight-line electric directly drives element driving shifting axle and does linear reciprocation
Movement, shifting axle (3) pushes plunger pair to do straight reciprocating motion again, while corresponding shaft end is with respect to the axial activity spacing of mounting groove
Carry out corresponding straight reciprocating motion, it is ensured that do not affect the movement of servo motor, drive shaft；Servo motor and straight-line electric
Element is directly driven by the same driver to control, the individually controllable of single kinetic characteristic and the two kinetic characteristic may be implemented
Any combination, so that pump is produced the effect of independence or complex controll, improve the controllable type of pump, pass through and change driver
Program can easily change the characteristic of the two compound motion, to realize the change of pump output parameter and motion profile；It is logical
Dual power source driving is crossed, so that structure is simple, mechanical efficiency is high, high reliablity, output characteristics can according to circumstances be carried out by program
Adjustment, so that its is applied widely.
Detailed description of the invention
Fig. 1 is the main view schematic diagram of the utility model；
Fig. 2 is the vertical view figure structure schematic representation of the utility model；
Title corresponding to serial number is as follows in figure:
Cylinder body 1, plunger pair 2, transmission shaft 3, one end 31, the other end 32, straight-line electric directly drive element 4, displacement sensor
5, connecting shaft 6, drive shaft 7, mounting groove 8, axial activity spacing 9, outer end center 10, servo motor 11, angular contact axis
Hold 12, straight line transmission axle 13, interior concave ring groove 14, linear roller bearing 15, side bulge loop wall 16, center outer end 17, deep groove ball bearing
18, bearing cap 19.
Specific embodiment
A kind of vector controlled pump, see Fig. 1: it includes overall structure composed by cylinder body 1 and plunger pair 2, integrally-built
It is central axial that the both ends of transmission shaft 3 externally protrude out in the end wall of the cylinder body 1 of corresponding end respectively through there is a transmission shaft 3, transmission shaft 3 it is outer
Convex one end 31 is connected with the straight line output end that straight-line electric directly drives element 4 by bearing jointing structure, and straight-line electric directly drives
Be provided with displacement sensor 5 on dynamic element 4, the other end 32 of the evagination of transmission shaft 3 is connected with connecting shaft 6, connecting shaft 6 perpendicular to
Transmission shaft 3 is arranged, is stretched in the length direction to both ends of connecting shaft 6 and is arranged in the mounting groove 8 of 7 inner end of drive shaft, connecting shaft 6
Correspondence shaft end be set in mounting groove 8, the correspondence shaft end of mounting groove 8 and connecting shaft 6 is formed in parallel with 3 central axis of transmission shaft
Axial activity spacing 9, the outer end center 10 of drive shaft 7 are connected with the output end of servo motor 11, in servo motor 11
It is equipped with rotary encoder.
Evagination one end 31 of transmission shaft 3 is set with angular contact bearing 12, and the outer ring of angular contact bearing 12 is connected with straight-line transmitting
The corresponding interior concave ring groove 14 in 13 inner end of axis is passed, circumferential surface is set with linear roller bearing 15 outside the inner end of straight line transmission axle 13, directly
The respective side bulge loop wall 16 that cylinder body 1 is close in the outer ring of line rolling bearing 15 arranges that the center outer end 17 of straight line transmission axle 13 connects
Straight-line electric directly drives element 4；
The part positioned at 3 two sides of transmission shaft of connecting shaft 6 is respectively installed with deep groove ball bearing 18, deep groove ball bearing 18 it is outer
Circle is placed in the mounting groove 8 of 7 respective side of drive shaft, and connecting shaft 6 drives the outer ring of deep groove ball bearing 18 along the axis of mounting groove 8
It advances to length direction linear reciprocation, the length of axial activity space 9 directly drives the linear drives of element 4 not less than straight-line electric
Distance, it is ensured that the work well of pump；
The inner end of drive shaft 7 is specially U-shaped shape and structure, and the outer end of the two sidewalls of U-shaped shape and structure is respectively disposed with
Corresponding mounting groove 8, deep groove ball bearing 18 is vertical into space flush-mounted in mounting groove 8, in the horizontal axis space of mounting groove 8
There are the axial activity space 9 of deep groove ball bearing, drive shaft 7 drives deep groove ball bearing 18 and connecting shaft 6 to rotate, connecting shaft 6
Transmission shaft 3 is driven to rotate again；
The inner end outer end face that the length direction both ends of connecting shaft 6 correspond to corresponding deep groove ball bearing is respectively disposed with correspondence
Bearing cap 19, it is ensured that the installation of deep groove ball bearing 18 is reliable and stable；
It includes but is not limited to linear motor, proportion electro-magnet or linear force motor that straight-line electric, which directly drives element 4,.
Its working principles are as follows: cylinder body, line electricity directly drive element, servo motor difference position fixed and arranged, may be programmed
Driver be separately connected line electricity and directly drive element, servo motor；Rotation is constituted by servo motor+rotary encoder+driver
The dynamic closed loop servo-control system of transhipment, realizes the accurate control to angle；Servo motor and the rotation of rotary encoder drive shaft
Turn, drive shaft drives transmission shaft rotation, due to the presence of bearing jointing structure, so that the rotation of transmission shaft does not affect directly
Line electricity directly drives element；The closed loop that element+displacement sensor+driver constitutes straight reciprocating motion is directly driven by straight-line electric
SERVO CONTROL realizes the accurate positioning to displacement, and straight-line electric directly drives element driving shifting axle and does straight reciprocating motion, mobile
Axis (3) pushes plunger pair to do straight reciprocating motion again, while corresponding shaft end is corresponded to respect to the axial activity spacing of mounting groove
Straight reciprocating motion, it is ensured that do not affect the movement of servo motor, drive shaft；Servo motor and straight-line electric directly drive
Element is controlled by the same driver, and any group of the individually controllable of single kinetic characteristic and the two kinetic characteristic may be implemented
It closes, so that pump is produced the effect of independence or complex controll, improve the controllable type of pump, the program by changing driver can
Easily to change the characteristic of the two compound motion, to realize the change of pump output parameter and motion profile；It passes through double dynamical
Source driving, so that structure is simple, mechanical efficiency is high, high reliablity, output characteristics can be according to circumstances adjusted by program, in turn
So that its is applied widely.
Specific embodiment of the utility model is described in detail above, but content is only what the utility model was created
Preferred embodiment should not be construed as limiting the practical range of the utility model creation.All create according to the utility model is applied
All the changes and improvements made by range etc., shall still fall within the scope of this patent.
Claims (6)
1. a kind of vector controlled pump, it is characterised in that: it includes overall structure composed by cylinder body and plunger pair, the whole knot
Structure it is central axial through there is transmission shaft, the both ends of the transmission shaft externally protrude out in the end wall of the cylinder body of corresponding end, the biography respectively
One end of the evagination of moving axis is connected with the straight line output end that straight-line electric directly drives element, the straight line by bearing jointing structure
Electricity directly drives and is provided with displacement sensor on element, and the other end of the evagination of the transmission shaft is connected with connecting shaft, the company
Spindle is arranged perpendicular to the transmission shaft, in the mounting groove that drive shaft inner end is stretched in the length direction both ends of the connecting shaft
Arrangement, the correspondence shaft end of the connecting shaft is set in mounting groove, mounting groove formed with the correspondence shaft end of the connecting shaft it is parallel
The defeated of servo motor is connected in the outer end center of the axial activity spacing of the center transmission shaft axis, the drive shaft
Outlet, the servo motor are built-in with rotary encoder.
2. a kind of vector controlled pump as described in claim 1, it is characterised in that: evagination one end of the transmission shaft is set with angle
Contact bearing, the outer ring of the angular contact bearing are connected with the corresponding interior concave ring groove in straight line transmission axle inner end, the straight line transmitting
Circumferential surface is set with linear roller bearing outside the inner end of axis, and the respective side of the cylinder body is close in the outer ring of the linear roller bearing
The center outer end connection straight-line electric of bulge loop wall arrangement, the straight line transmission axle directly drives element.
3. a kind of vector controlled pump as claimed in claim 1 or 2, it is characterised in that: the connecting shaft is located at the transmission
The part of axis two sides is respectively installed with deep groove ball bearing, and the outer ring of the deep groove ball bearing is placed in the drive shaft respective side
In mounting groove, the connecting shaft drives the outer ring of the deep groove ball bearing along the axial length direction linear reciprocation row of mounting groove
Into the length of the axial direction activity space directly drives the linear drives distance of element not less than the straight-line electric.
4. a kind of vector controlled pump as claimed in claim 3, it is characterised in that: the inner end of the drive shaft is specially U-shaped
Shape and structure, the outer end of the two sidewalls of the U-shaped shape and structure are respectively disposed with corresponding mounting groove, and the deep groove ball bearing is embedding
It is living that loaded on the vertical into space of the mounting groove, in the horizontal axis space of the mounting groove, there are the axial directions of deep groove ball bearing
Dynamic space, the drive shaft driving deep groove ball bearing and connecting shaft rotation, the connecting shaft drive the transmission shaft to rotate again.
5. a kind of vector controlled pump as claimed in claim 4, it is characterised in that: the length direction both ends of the connecting shaft are corresponding
Corresponding bearing cap is respectively disposed in the inner end outer end face of the corresponding deep groove ball bearing.
6. a kind of vector controlled pump as described in claim 1, it is characterised in that: the straight-line electric directly drive element include but
It is not limited to linear motor, proportion electro-magnet or linear force motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821222451.XU CN208634001U (en) | 2018-07-31 | 2018-07-31 | A kind of vector controlled pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821222451.XU CN208634001U (en) | 2018-07-31 | 2018-07-31 | A kind of vector controlled pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208634001U true CN208634001U (en) | 2019-03-22 |
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ID=65741105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821222451.XU Active CN208634001U (en) | 2018-07-31 | 2018-07-31 | A kind of vector controlled pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208634001U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799045A (en) * | 2018-07-31 | 2018-11-13 | 江苏钧微动力科技有限公司 | A kind of vector controlled pump |
-
2018
- 2018-07-31 CN CN201821222451.XU patent/CN208634001U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799045A (en) * | 2018-07-31 | 2018-11-13 | 江苏钧微动力科技有限公司 | A kind of vector controlled pump |
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