CN205715002U - The hydraulic transformer that a kind of inner disc rotates - Google Patents

The hydraulic transformer that a kind of inner disc rotates Download PDF

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Publication number
CN205715002U
CN205715002U CN201620295162.7U CN201620295162U CN205715002U CN 205715002 U CN205715002 U CN 205715002U CN 201620295162 U CN201620295162 U CN 201620295162U CN 205715002 U CN205715002 U CN 205715002U
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CN
China
Prior art keywords
disc
casing
disk
plunger
rotary actuator
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Expired - Fee Related
Application number
CN201620295162.7U
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Chinese (zh)
Inventor
仉志强
李永堂
刘志奇
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Taiyuan University of Science and Technology
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Taiyuan University of Science and Technology
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Priority to CN201620295162.7U priority Critical patent/CN205715002U/en
Application granted granted Critical
Publication of CN205715002U publication Critical patent/CN205715002U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The hydraulic transformer that a kind of inner disc rotates, belong to hydraulic part technical field, the outer disk that it is characterized in that being shaped with two internal tooths is sleeved on the outside of the inner disc being shaped with two external tooths, in the center cavity in the left side that inner disc and outer disk are arranged on back casing, outer disk first, second internal tooth and inner disc first, second external tooth is with in an annular groove, annular groove is divided into first, second, 3rd, 4th arcuate groove, the first of back casing, second, 3rd, 4th oil duct is respectively by first, second, 3rd, 4th arcuate groove connects with plunger cavity, inner disc is rotated by rotary actuator rotor by spline, outer disk is connected with back casing by bearing pin.Advantage is that hydraulic transformer port plate structure is relatively simple, and radial dimension is little, it is easy to accomplish SERVO CONTROL.

Description

The hydraulic transformer that a kind of inner disc rotates
Technical field
The invention belongs to hydraulic part technical field, be specifically related to the hydraulic transformer that a kind of inner disc rotates.
Background technology
Constant pressure network Secondary Regulation Technology is the very important energy-saving scheme in current hydraulic drive field.Hydraulic transformer is the core parts of constant pressure network Secondary Regulation Technology.The technical barrier that " current situation of hydraulic transformer " summary and induction hydraulic transformer exists, is " control problem ", " vibration and noise ", the interface problem of rear end cap " valve plate with " respectively.For above-mentioned " vibration and noise " and " valve plate and the interface problem of rear end cap ", the combination type valve plate that existing application for a patent for invention proposes to use inner disc, outer disk to constitute replaces existing one chip valve plate, improve the transformation ratio of hydraulic transformer, reduce the pressure in plunger cavity and increase sharply.In foregoing invention patent application, outer disk is driven by rotary actuator and realizes rotating, and its shortcoming is that the radial dimension of hydraulic transformer is relatively big, and inner disc and outer disk CONTACT WITH FRICTION area are relatively big, cause friction loss big.
Summary of the invention
It is an object of the present invention to provide a kind of inner disc rotate hydraulic transformer, can be efficiently against problems of the prior art.nullThe object of the invention is realized in,As shown in Fig. 1 ~ Fig. 8,It includes procapsid 1、Back casing 10、Drive end bearing bracket 18、Rear end cap 13、Rotary shaft 3、Plunger 5、Plunger case 6、Inner disc 15、Outer disk 14,Drive end bearing bracket 18 is arranged on the end of procapsid 1 by spring flange 17,Procapsid 1 is linked together by the first bolt group 8 with back casing 10,Back casing 10 is linked together by the second bolt group 11 with rear end cap 13,Rotary shaft 3 is arranged in the center cavity of procapsid 1 leading portion by clutch shaft bearing 2 and the second bearing 4,Plunger case 6 is connected with the ball-and-socket on rotary shaft 3 rear end face by the bulb of n plunger 5,Plunger case 6 and n plunger 5 define n plunger cavity 7,N is positive integer,Rotary shaft 3 and plunger case 6,Both axis intersect with sharp angle α in approximately the same plane,It is characterized in that:
nullSuch as Fig. 1、2、Shown in 3,It is shaped with outer disk first、Second internal tooth 14.1、The outer disk 14 of 14.2 is sleeved on and is shaped with inner disc first、Second external tooth 15.1、The outside of the inner disc 15 of 15.2,Outer disk 14 and inner disc 15 are arranged in the cavity of back casing 10 left end,Outer disk 14 is connected with back casing 10 by alignment pin 9,Fit with the concave spherical surface of plunger case 6 right-hand member respectively in the left side of outer disk 14 and inner disc 15,It is shaped with first、Second external tooth 12.1、The rotary actuator rotor 12 of 12.2 is arranged on and is shaped with back casing first、Second internal tooth 10.1、In the centre bore of the back casing 10 of 10.2,Its left end is connected with inner disc 15 by spline J,Its right-hand member is inconsistent with rear end cap 13,Rotary actuator rotor first、Second external tooth 12.1、12.2 and back casing first、Second internal tooth 10.1、In the 10.2 annular chamber Q1 between back casing 10 and rotary actuator rotor 12,Annular chamber Q1 is divided into rotary actuator first、Second、3rd、4th working chamber A1、B1、C1、D1 respectively with rotary actuator first、Second、3rd、4th hydraulic fluid port a1、b1、c1、D1 connects.
Advantage of the present invention and good effect be:
(1) inner disc is driven by rotary actuator, reduces the radial dimension of hydraulic transformer.
(2) inner disc and outer disk CONTACT WITH FRICTION area are less, and friction loss is little.
(4) inner disc is driven by independent rotary actuator, it is easy to accomplish SERVO CONTROL, it is achieved the high response characteristic of hydraulic transformer.
Accompanying drawing explanation
Fig. 1 is the structural profile schematic diagram of the hydraulic transformer of the present invention.
Fig. 2 is the A A sectional view in Fig. 1.
Fig. 3 is the B B sectional view in Fig. 1.
Fig. 4 (b) is the sectional view of back casing.
Fig. 4 (a) is the left view of Fig. 4 (b).
Fig. 4 (c) is the right view of Fig. 4 (b).
Fig. 4 (d) is the C C sectional view in Fig. 4 (c).
Fig. 4 (e) is the D D sectional view in Fig. 4 (c).
Fig. 5 (b) is the front view of inner disc.
Fig. 5 (a) is the left view of Fig. 5 (b).
Fig. 6 (b) is the front view of outer disk.
Fig. 6 (a) is the left view of Fig. 6 (b).
Fig. 7 (a) is rotary actuator rotor front view.
Fig. 7 (b) is the right view of rotary actuator rotor.
Fig. 8 is inner disc slewing area schematic diagram.
nullIn figure: 1-procapsid,2-clutch shaft bearing,3-rotary shaft,4-the second bearing,5-plunger,6-plunger case,7-plunger cavity,8-the first bolt group,8 '-the first bolts hole,9-alignment pin,Hole, 9 '-location,10-back casing,10.1-back casing the first internal tooth,10.2-back casing the first internal tooth,11-the second bolt group,11 '-the second bolts hole,12-rotary actuator rotor,12.1-rotary actuator rotor the first external tooth,12.2-rotary actuator rotor the second external tooth,13-rear end cap,14-outer disk,14.1-outer disk the first internal tooth,14.2-outer disk the second internal tooth,15-inner disc,15.1-inner disc the first external tooth,15.2-inner disc the second external tooth,16-spacer,17-check ring,18-drive end bearing bracket,19-the first arcuate groove,20-the second arcuate groove,21-the 3rd arcuate groove,22-the 4th arcuate groove,23-the first oil duct,24-the second oil duct,25-the 3rd oil duct,26-the 4th oil duct,27-positions hole,28-annular groove,First working chamber of A1-rotary actuator,Second working chamber of B1-rotary actuator,3rd working chamber of C1-rotary actuator,4th working chamber of D1-rotary actuator,First hydraulic fluid port of a1-rotary actuator,Second hydraulic fluid port of b1-rotary actuator,3rd hydraulic fluid port of c1-rotary actuator,4th hydraulic fluid port of d1-rotary actuator,The extreme higher position of P1-inner disc external tooth,The extreme lower position of P2-inner disc external tooth,J-spline,Q1-annular chamber,Stop angles on θ 1-,Stop angles under θ 2-.
Detailed description of the invention
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings.
As it is shown in figure 1, drive end bearing bracket 18, rear end cap 13 and procapsid 1 constitute the closing cavity volume of inclined shaft type hydraulic transformer with back casing 10;Drive end bearing bracket 18 does not open hole, rotary shaft 3 is in the interior rotation of the cavity volume closed, rotary shaft 3 is arranged in the center cavity of procapsid 1 by clutch shaft bearing 2 and the second bearing 4, angle α=20 ° of the axis of the axis of rotary shaft 3 and plunger case 6, during rotary shaft 3 and plunger case 6 rotate simultaneously, there is stretching motion in plunger 5 in plunger cavity 7, plunger cavity 7 realizes oil suction and oil extraction;
Such as Fig. 1, 2, shown in 3, the rotary actuator rotor 12 being shaped with two external tooths has collectively constituted a twayblade rotary actuator with back casing 10 and rear end cap 13, the active force symmetrically formula of back casing is distributed by twayblade rotary actuator, external high pressure oil sources and low pressure oil sources pass through the first of rotary actuator, second, third and fourth hydraulic fluid port a1, b1, c1, d1 is to the first of rotary actuator, second, third and fourth working chamber A1, B1, C1, D1 fuel feeding and oil extraction, rotary actuator rotor 12 drives inner disc 15 to realize rotating by spline J, the pendulum angle of rotary actuator rotor 12 is equal to the pendulum angle of inner disc 15, upper stop angles θ 1=30 ° of outer disk, lower stop angles θ 2=30 ° of outer disk;
Such as Fig. 1, shown in 2, outer disk 14 is sleeved on the outside of inner disc 15, in the cavity of the left end that outer disk 14 and inner disc 15 are arranged on back casing 10, inner disc first, second external tooth 15.1, the crest top land of 15.2 fit clearance with the inner headed face of outer disk 14 respectively is 4um, outer disk first, second internal tooth 14.1, the crest top land of 14.2 fit clearance with the periphery of inner disc 15 respectively is 4um, realize lubrication and leakage rate is little, inner disc first, second external tooth 15.1, 15.2 and outer disk first, second internal tooth 14.1, annular groove 28 is divided into first by 14.2, second, 3rd, 4th arcuate groove 19, 20, 21, 22;
As shown in Figure 1, outer disk 15 is connected with back casing 10 by alignment pin 9, outer disk 15 cannot rotate relative to back casing 10, and in work process, fit with the concave spherical surface of plunger case 6 rear end under pressure oil effect respectively in the right side of inner disc 15 and outer disk 14, forms hydrostatic support means of press seals district between binding face;
As shown in Figure 8, the highest and extreme lower position of the most residing annular groove 28 of outer disk first, second external tooth 14.1,14.2, the respectively top dead-centre in plunger case 6 rotary course and lower dead point position, reduce the pressure in plunger cavity 7 and increase sharply;First, second oil duct 23,24 lays respectively at the both sides of outer disk the first external tooth 14.1, and the three, the 4th oil ducts 25,26 lay respectively at the both sides of outer disk the second external tooth 14.2, and the pendulum angle scope making inner disc 15 is maximum;
As shown in Figure 8, outer disk first, second internal tooth 14.1,14.2 and 1.5 times of oilhole diameter that inner disc first, second external tooth 15.1,15.2 width at 1/2 tooth depth is plunger case 6 rear end face, avoiding in work process and realize connection by the oilhole of plunger case 6 rear end face between adjacent arcuate groove, in preventing plunger cavity 7, pressure increases sharply;
Such as Fig. 1, shown in 8, the anchor ring at the oilhole place of the rear end face of annular groove 28 and plunger case 6 is the most right, and both internal diameters are the most identical with external diameter, makes whole oil circuit avoid the occurrence of bigger part throttle loss;
Such as Fig. 1, shown in 4, first, second, third, fourth oil duct 23,24,25,26 has been opened in back casing 10, first oil duct 23 is connected with one or more plunger cavities 7 by the first arcuate groove 19, second oil duct 24 is connected with one or more plunger cavities 7 by the second arcuate groove 20,3rd oil duct 25 is connected with one or more plunger cavities 7 by the 3rd arcuate groove 21, and the 4th oil duct 26 is connected with one or more plunger cavities 7 by the 4th arcuate groove 22;
As shown in Figure 8, inner disc 15 rotates relative to outer disk 14, makes the area of first, second, third, fourth arcuate groove 19,20,21,22 change, and causes the first oil duct 23 of hydraulic transformer and the pressure ratio of the second oil duct 24 to change;
As it is shown in figure 1, rotary actuator rotor 12 drives inner disc 15 to rotate, improve the change response speed of hydraulic transformer output pressure and output flow.

Claims (1)

  1. null1. the hydraulic transformer that an inner disc rotates,It includes procapsid (1)、Back casing (10)、Drive end bearing bracket (18)、Rear end cap (13)、Rotary shaft (3)、Plunger (5)、Plunger case (6)、Inner disc (15)、Outer disk (14),Drive end bearing bracket (18) is arranged on the end of procapsid (1) by spring flange (17),Procapsid (1) is linked together by the first bolt group (8) with back casing (10),Back casing (10) is linked together by the second bolt group (11) with rear end cap (13),Rotary shaft (3) is arranged in the center cavity of procapsid (1) leading portion by clutch shaft bearing (2) and the second bearing (4),Plunger case (6) is connected with the ball-and-socket on rotary shaft (3) rear end face by the bulb of n plunger (5),Plunger case (6) and n plunger (5) define n plunger cavity (7),N is positive integer,Rotary shaft (3) and plunger case (6),Both axis intersect with sharp angle α in approximately the same plane,It is characterized in that:
    nullIt is shaped with outer disk first、Second internal tooth (14.1、14.2) outer disk (14) is sleeved on and is shaped with inner disc first、Second external tooth (15.1、15.2) outside of inner disc (15),Outer disk (14) and inner disc (15) are arranged in the cavity of back casing (10) left end,Outer disk (14) is connected with back casing (10) by alignment pin (9),Fit with the concave spherical surface of plunger case (6) right-hand member respectively in the left side of outer disk (14) and inner disc (15),It is shaped with first、Second external tooth (12.1、12.2) rotary actuator rotor (12) is arranged on and is shaped with back casing first、Second internal tooth (10.1、10.2) in the centre bore of back casing (10),Its left end is connected with inner disc (15) by spline (J),Its right-hand member is inconsistent with rear end cap (13),Rotary actuator rotor first、Second external tooth (12.1、12.2) and back casing first、Second internal tooth (10.1、10.2) it is positioned at by the annular chamber (Q1) between back casing (10) and rotary actuator rotor (12),Annular chamber (Q1) is divided into rotary actuator first、Second、3rd、4th working chamber (A1、B1、C1、D1) respectively with rotary actuator first、Second、3rd、4th hydraulic fluid port (a1、b1、c1、D1) connection.
CN201620295162.7U 2016-04-11 2016-04-11 The hydraulic transformer that a kind of inner disc rotates Expired - Fee Related CN205715002U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620295162.7U CN205715002U (en) 2016-04-11 2016-04-11 The hydraulic transformer that a kind of inner disc rotates

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620295162.7U CN205715002U (en) 2016-04-11 2016-04-11 The hydraulic transformer that a kind of inner disc rotates

Publications (1)

Publication Number Publication Date
CN205715002U true CN205715002U (en) 2016-11-23

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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106762505A (en) * 2016-11-28 2017-05-31 太原科技大学 A kind of hydraulic pump with swing swash plate and rotation valve plate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106762505A (en) * 2016-11-28 2017-05-31 太原科技大学 A kind of hydraulic pump with swing swash plate and rotation valve plate

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20161123

Termination date: 20170411