CN202484242U - Spiral swing type torque output hydraulic device - Google Patents
Spiral swing type torque output hydraulic device Download PDFInfo
- Publication number
- CN202484242U CN202484242U CN2012201134156U CN201220113415U CN202484242U CN 202484242 U CN202484242 U CN 202484242U CN 2012201134156 U CN2012201134156 U CN 2012201134156U CN 201220113415 U CN201220113415 U CN 201220113415U CN 202484242 U CN202484242 U CN 202484242U
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- rear end
- swing type
- hydraulic cylinder
- hydraulic pressure
- pto
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Abstract
The utility model discloses a spiral swing type torque output hydraulic device which comprises a hydraulic cylinder, a power output shaft and a torque conversion gear pair, wherein a hydraulic oil hole is formed in the side wall of the hydraulic cylinder; a front end cover and a rear end cover are arranged at the two ends of the hydraulic cylinder respectively; the rear end cover is in sealed fit with the power output shaft; and the rear end of the power output shaft is in movable fit with the torque conversion gear pair in the hydraulic gear. The device disclosed by the utility model makes full use of the advantage of great hydraulic power output to drive the torque conversion gear pair with a turbine structure in the hydraulic cylinder by use of hydraulic oil, converts the linearly input power into torque force, and outputs the torque force by the power output shaft in a spiral swing manner. Through the utility model, the torque conversion can be realized without an additional reversing mechanism, the hydraulic cylinder has small volume, the torque power is strong, the output angle can be accurately controlled, and the using requirement of the small-space and large-torque output technology is sufficiently met.
Description
Technical field
The utility model belongs to the hydraulic equipment technical field, is specifically related to a kind of simple in structurely, and working stability is reliable, can hydraulic linear thrust be converted into the spiral swing type moment of torsion output hydraulic pressure installation of rotary torsion.
Background technique
Hydraulic pressure installation is big with its take-off output, at various machineries, has especially obtained on the engineering machinery using widely.But generally, the direction of transfer of hydraulic machinery power is generally the transmission of ability linear reciprocating, if will change straight-line hydraulic power, need on hydraulic equipment, set up switching mechanism and realize.At present, the high torsion swing torque of domestic this type of the realization way of output is the hydraulic transmission rack pinion moment of torsion way of output and the hydraulic pressure rotary actuator moment of torsion way of output.The rack pinion oil hydraulic cylinder generally can not surpass 3 teeth because of the total number of teeth in engagement at its transmission position, and will realize the moment of torsion that transmission is bigger, and the form structure of its member can be big more, therefore causes application area to receive very big restriction, and the place narrow and small to the space is not suitable for; And the shortcoming of hydraulic pressure rotary actuator is to realize accurate angle output.For this reason, develop a kind of simple in structurely, advantages of small volume can be fit under the little space to use, but and high pulling torque accurately control the moment of torsion output oil hydraulic cylinder of output angle, be very important for satisfying high pulling torque power output needs.
The model utility content
It is a kind of simple in structure that the purpose of the utility model is to provide, and working stability is reliable, can hydraulic linear thrust be converted into the spiral swing type moment of torsion output hydraulic pressure installation of rotary torsion.
The purpose of the utility model is to realize like this; Comprise oil hydraulic cylinder, pto and goes through torque conversion gear pair; On the described oil hydraulic cylinder sidewall hydraulic pressure oilhole is set; Described oil hydraulic cylinder two ends are provided with front cover and rear end cover respectively, and described rear end cover and pto are sealed and matched, and the goes through torque conversion gear pair in described pto rear end and the oil hydraulic cylinder movingly.
The utility model makes full use of the big advantage of hydraulic power output, drives with hydraulic oil and is arranged at goes through torque conversion gear pair in the oil hydraulic cylinder, that be turbine structure, and the power that straight line is imported changes torsion into, and through pto swing type output in the shape of a spiral.The utility model needn't peripheral hardware steering equipment can be realized the conversion of moment, and the oil hydraulic cylinder volume is small and exquisite, and torque power is strong, and the output angle can accurately control, and satisfies little space fully, the use of high pulling torque output technology purpose.
Description of drawings
Fig. 1 is the utility model overall structure cross-sectional schematic;
Fig. 2 is the three-dimensional view of external spiral gear;
Fig. 3 is the three-dimensional view of internal spiral gear ring;
Fig. 4 is the left view of Fig. 1;
Among the figure: 1-front cover, 2-oil hydraulic cylinder, 3-rear end cover, 4-pto, 5-external spiral gear, 6-internal spiral gear ring, 7-countershaft, 8-spline, 9-hydraulic pressure oilhole, 10-bearing support, 11-angle indicator panel, 12-angle indicator.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described, but never in any form the utility model is limited,, all fall into the protection domain of the utility model based on any conversion or the improvement that the utility model training centre is done.
As shown in Figure 1, the utility model comprises oil hydraulic cylinder 2, pto 4 and goes through torque conversion gear pair, on described oil hydraulic cylinder 2 sidewalls hydraulic pressure oilhole 9 is set; Described oil hydraulic cylinder 2 two ends are provided with front cover 1 and rear end cover 3 respectively, and described rear end cover 3 is sealed and matched with pto 4, and the goes through torque conversion gear pair in described pto 4 rear ends and the oil hydraulic cylinder 2 movingly.
As shown in Figure 1, described goes through torque conversion gear pair comprises external spiral gear 5 and internal spiral gear ring 6, and the two is meshing with each other; The outer rim of described internal spiral gear ring 6 and oil hydraulic cylinder 2 inwalls closely cooperate, and described external spiral gear 5 connecting ends are connected with oil hydraulic cylinder 2 inner wall sealings and movingly, the rear end of external spiral gear 5 and pto 4 movingly.
Like Fig. 2, shown in Figure 3, on the inner circumference of described internal spiral gear ring 6 helical tooth is set, be provided with and internal spiral gear ring 6 intermeshing helical tooths on the excircle of described external spiral gear 5.
As shown in Figure 1, described pto 4 middle parts are provided with spline 8 and are slidingly matched with external spiral gear 5 endoporus.
The countershaft 7 and the front cover 1 of described pto 4 rear ends are sealed and matched.
Described external spiral gear 5 connecting ends are provided with oil seal groove, and Sealing is set in the oil seal groove.
Described rear end cover 3 coupling shaft bearings 10 are provided with bearing between rear end cover 3 and the bearing support 10, and described pto 4 through bearing and rear end cover 3 movingly.
Described rear end cover 3 is provided with oil seal groove at least on the fitting surface of pto 4, Sealing is set in the oil seal groove.
Described front cover 1 is provided with oil seal groove at least on the working surface that countershaft 7 cooperates, Sealing is set in the oil seal groove.
As shown in Figure 4, on the described front cover 1 angle indicator panel 11 is set, angle indicator 12 is set on the countershaft 7.
The utility model working principle and working procedure:
The utility model is through the goes through torque conversion gear pair in the oil hydraulic cylinder 2, is torsion and externally output with the straight line power-converting of importing, to satisfy the power needs of high pulling torque actuator.
During work, hydraulic oil gets into oil hydraulic cylinder 2 through hydraulic pressure oilhole 9, and hydraulic oil acts on along hydraulic pressure oilhole 9 on the section of external spiral gear 5, promotes external spiral gear 5 straight line motions; Internal spiral gear ring 6 affixed on external spiral gear 5 and the oil hydraulic cylinder 2 is through the helical tooth engagement; Under the leading role of helical tooth; Force external spiral gear 5 to produce and rotatablely move, external spiral gear 5 is slidingly matched through the spline 8 with pto 4 middle parts, and the torque that produces is conducted to pto 4; To the oil hydraulic cylinder 2 outside running torques of transmitting, this running torque promptly can be used as the power source of the actuator that needs several angle rotation or swing through pto 4.
The utility model is provided with angle indicator panel 11 on front cover 1, on countershaft 7, be provided with angle indicator 12, can clearly indicate windup-degree like this.
The characteristics of the utility model:
1, under the condition of output equal torque, the utility model gear rack swing type hydraulic cylinder body is long-pending little, in light weight, and adaptability is stronger;
2, the utility model is than the hydraulic pressure rotary actuator, moves more steadily, and angle is more accurate;
3, the external spiral gear cooperates with the internal spiral gear ring, and transmission efficiency is high.
Claims (10)
1. a spiral swing type moment of torsion is exported hydraulic pressure installation; Comprise oil hydraulic cylinder (2), pto (4) and goes through torque conversion gear pair; On described oil hydraulic cylinder (2) sidewall hydraulic pressure oilhole (9) is set; It is characterized in that: described oil hydraulic cylinder (2) two ends are provided with front cover (1) and rear end cover (3) respectively, and described rear end cover (3) is sealed and matched with pto (4), and the goes through torque conversion gear pair in described pto (4) rear end and the oil hydraulic cylinder (2) movingly.
2. spiral swing type moment of torsion output hydraulic pressure installation according to claim 1, it is characterized in that: described goes through torque conversion gear pair comprises external spiral gear (5) and internal spiral gear ring (6), and the two is meshing with each other; The outer rim of described internal spiral gear ring (6) and oil hydraulic cylinder (2) inwall closely cooperate, and described external spiral gear (5) connecting end is connected with oil hydraulic cylinder (2) inner wall sealing and movingly, external spiral gear (5) and pto (4) rear end are movingly.
3. spiral swing type moment of torsion output hydraulic pressure installation according to claim 2; It is characterized in that: on the inner circumference of described internal spiral gear ring (6) helical tooth is set, is provided with and the intermeshing helical tooth of internal spiral gear ring (6) on the excircle of described external spiral gear (5).
4. according to claim 2 or 3 described spiral swing type moment of torsion output hydraulic pressure installation, it is characterized in that: described pto (4) middle part is provided with spline (8) and is slidingly matched with external spiral gear (5) endoporus.
5. spiral swing type moment of torsion output hydraulic pressure installation according to claim 4, it is characterized in that: the countershaft (7) of described pto (4) rear end is sealed and matched with front cover (1).
6. according to claim 2 or 3 described spiral swing type moment of torsion output hydraulic pressure installation, it is characterized in that: described external spiral gear (5) connecting end is provided with oil seal groove, and Sealing is set in the oil seal groove.
7. spiral swing type moment of torsion output hydraulic pressure installation according to claim 1; It is characterized in that: described rear end cover (3) coupling shaft bearing (10); Between rear end cover (3) and the bearing support (10) bearing is set, described pto (4) through bearing and rear end cover (3) movingly.
8. according to claim 1 or 7 described spiral swing type moment of torsion output hydraulic pressure installation, it is characterized in that: described rear end cover (3) is provided with oil seal groove at least on the fitting surface of pto (4), Sealing is set in the oil seal groove.
9. according to claim 1 or 5 described spiral swing type moment of torsion output hydraulic pressure installation, it is characterized in that: described front cover (1) is provided with oil seal groove at least on the working surface that countershaft (7) cooperates, Sealing is set in the oil seal groove.
10. according to claim 1 or 5 described spiral swing type moment of torsion output hydraulic pressure installation, it is characterized in that: angle indicator panel (11) is set on the described front cover (1), angle indicator (12) is set on the countershaft (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201134156U CN202484242U (en) | 2012-03-23 | 2012-03-23 | Spiral swing type torque output hydraulic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201134156U CN202484242U (en) | 2012-03-23 | 2012-03-23 | Spiral swing type torque output hydraulic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202484242U true CN202484242U (en) | 2012-10-10 |
Family
ID=46958668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201134156U Expired - Fee Related CN202484242U (en) | 2012-03-23 | 2012-03-23 | Spiral swing type torque output hydraulic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202484242U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696468A (en) * | 2013-12-09 | 2015-06-10 | 四川凌峰航空液压机械有限公司 | Hydraulic drive limited-rotating-angle straight rotating actuator |
| CN106151439A (en) * | 2015-04-10 | 2016-11-23 | 中国石油化工股份有限公司 | A kind of actuating device for plunger displacement pump |
-
2012
- 2012-03-23 CN CN2012201134156U patent/CN202484242U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696468A (en) * | 2013-12-09 | 2015-06-10 | 四川凌峰航空液压机械有限公司 | Hydraulic drive limited-rotating-angle straight rotating actuator |
| CN104696468B (en) * | 2013-12-09 | 2017-05-10 | 四川凌峰航空液压机械有限公司 | Hydraulic drive limited-rotating-angle straight rotating actuator |
| CN106151439A (en) * | 2015-04-10 | 2016-11-23 | 中国石油化工股份有限公司 | A kind of actuating device for plunger displacement pump |
| CN106151439B (en) * | 2015-04-10 | 2018-08-17 | 中国石油化工股份有限公司 | A kind of transmission device for plunger pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20190323 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |