CN222163350U - Angle positioning type rotary hydraulic cylinder - Google Patents
Angle positioning type rotary hydraulic cylinder Download PDFInfo
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- CN222163350U CN222163350U CN202420974841.1U CN202420974841U CN222163350U CN 222163350 U CN222163350 U CN 222163350U CN 202420974841 U CN202420974841 U CN 202420974841U CN 222163350 U CN222163350 U CN 222163350U
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Abstract
本实用新型公开了一种角度定位型旋转液压缸，具体涉及液压缸领域，包括主壳体，所述主壳体的内侧设置有轴转子，所述主壳体和轴转子之间形成有油腔室，所述轴转子的外侧固定设置有扇形块和挡块，所述扇形块和挡块将油腔室分割为A油腔和B油腔，所述主壳体上设置有右旋转缓冲调节阀和左旋转缓冲调节阀，所述右旋转缓冲调节阀和左旋转缓冲调节阀的一侧均设置有闷塞螺钉。本装置旋转液压缸的轴转子在作旋转运动时，是由快速运动转为缓慢定位的运动过程，达到既保证运动效率的同时也要保证定位的精确性和液压缸的寿命，本申请设计原理较为简单，具有制造成本较低，定位准确，控制简单以及免维护等优点。
The utility model discloses an angle positioning rotary hydraulic cylinder, which specifically relates to the field of hydraulic cylinders, including a main housing, a shaft rotor is arranged on the inner side of the main housing, an oil chamber is formed between the main housing and the shaft rotor, a sector block and a stopper are fixedly arranged on the outer side of the shaft rotor, the sector block and the stopper divide the oil chamber into an A oil chamber and a B oil chamber, a right rotation buffer regulating valve and a left rotation buffer regulating valve are arranged on the main housing, and a plug screw is arranged on one side of the right rotation buffer regulating valve and the left rotation buffer regulating valve. When the shaft rotor of the rotary hydraulic cylinder of this device performs a rotational motion, the motion process is changed from rapid motion to slow positioning, so as to ensure both the motion efficiency and the positioning accuracy and the life of the hydraulic cylinder. The design principle of this application is relatively simple, and has the advantages of low manufacturing cost, accurate positioning, simple control and maintenance-free.
Description
Technical Field
The utility model relates to the technical field of hydraulic cylinders, in particular to an angle positioning type rotary hydraulic cylinder.
Background
The hydraulic cylinder is a hydraulic executive component which converts hydraulic energy into mechanical energy, and when the hydraulic executive component is used for realizing reciprocating motion, a speed reducing device can be omitted, a transmission gap is avoided, the hydraulic cylinder moves stably, and the hydraulic cylinder is widely applied to hydraulic systems of various machines. The traditional hydraulic cylinder comprises a cylinder body, a piston and a piston rod, wherein an oil inlet and an oil outlet are formed in the cylinder body, the movement of the piston and the piston rod is realized through the inlet and the outlet of hydraulic oil, various control functions are realized through external components, the movement of the hydraulic rod is linear movement, and the driven external components also linearly move. In the actual production process, many external components driven by the hydraulic cylinder not only need linear travel, but also need rotary motion, but the hydraulic cylinder cannot realize rotary motion, so that the rotary hydraulic cylinder is indispensable to meet the actual production requirement.
In the fields of modern mechanical equipment and automation equipment, the problem of fixed-angle steering of an actuating mechanism is frequently encountered, and a designer can perform selective design by comprehensively considering the aspects of functional implementation, design cost, design occasion, installation and debugging and the like. The fixed angle steering of the actuating mechanism can be realized by adopting modes such as electric driving or hydraulic driving. However, the existing rotary hydraulic cylinder is complex in structure, and the angle positioning is inaccurate when the hydraulic cylinder rotates, so that the use requirements of people cannot be met.
Disclosure of utility model
The utility model aims to provide an angle positioning type rotary hydraulic cylinder so as to solve the problems in the background art.
In order to solve the technical problems, the utility model provides the technical scheme that the angle positioning type rotary hydraulic cylinder comprises a main shell, wherein a front end cover and a rear end cover are respectively arranged at two ends of the main shell, a shaft rotor is arranged at the inner side of the main shell, an oil cavity is formed between the main shell and the shaft rotor, a sector block and a stop block are fixedly arranged at the outer side of the shaft rotor, the sector block and the stop block divide an oil cavity into an oil cavity A and an oil cavity B, a right rotary buffer regulating valve and a left rotary buffer regulating valve are arranged on the main shell, and a plug screw is arranged at one side of each of the right rotary buffer regulating valve and the left rotary buffer regulating valve.
In a preferred embodiment, the two ends of the shaft rotor are provided with deep groove ball bearings, the front end cover and the rear end cover are connected with the main shell through lock nuts, an elastic check ring is arranged at the joint of the main shell and the front end cover, a lip seal ring is arranged at the joint of the shaft rotor and the main shell, the deep groove ball bearings are convenient for the shaft rotor to rotate, and the elastic check ring and the lip seal ring can ensure the tightness of the oil chamber.
In a preferred embodiment, the main housing is provided with a first hydraulic oil inlet and a second hydraulic oil inlet and outlet, the first hydraulic oil inlet and outlet and the second hydraulic oil inlet and outlet are communicated with the oil chamber, and the first hydraulic oil inlet and outlet and the second hydraulic oil inlet and outlet are arranged to facilitate the inflow and the outflow of hydraulic oil from the oil chamber.
In a preferred embodiment, the main housing is provided with a left rotation angle limiting and adjusting screw and a right rotation angle limiting and adjusting screw, one ends of the left rotation angle limiting and adjusting screw and the right rotation angle limiting and adjusting screw extend into the oil chamber, and the setting of the left rotation angle limiting and adjusting screw and the right rotation angle limiting and adjusting screw facilitates limiting of the stop block and the sector block, so that the limiting of the adjusting angle of the shaft rotor is realized.
In a preferred embodiment, oil guide holes are formed in two plug screws, the two oil guide holes are respectively communicated with a first hydraulic oil inlet and a second hydraulic oil inlet and outlet, and the oil guide holes are formed in the plug screws so as to facilitate backflow of hydraulic oil.
Compared with the prior art, the utility model has the following beneficial effects:
The utility model directly drives the actuating mechanism by a simple hydraulic control principle, realizes the accurate positioning of steering angle by the mechanical design of the actuating mechanism, is the angle positioning type rotary hydraulic cylinder, pushes the rotor of the shaft to rotate by hydraulic oil, utilizes the rotary buffer regulating valve and the rotary angle limiting regulating screw to limit, ensures the accuracy of angle regulation of the rotary hydraulic cylinder, can finely adjust the rotary angle by utilizing the rotary angle limiting regulating screw, and changes the quick movement into the slow positioning movement process when the shaft rotor of the rotary hydraulic cylinder performs rotary movement, thereby ensuring the accuracy of positioning and the service life of the hydraulic cylinder while ensuring the movement efficiency.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a front view of the present utility model;
FIG. 2 is a schematic view of the cross-sectional structure A-A of FIG. 1 according to the present utility model;
FIG. 3 is a schematic view of the cross-sectional structure B-B of FIG. 1 according to the present utility model;
FIG. 4 is a schematic view of the cross-sectional structure D-D of FIG. 1 according to the present utility model;
FIG. 5 is a schematic view of the cross-sectional structure F-F of FIG. 1 in accordance with the present utility model;
FIG. 6 is a schematic view of the cross-sectional structure E-E of FIG. 5 according to the present utility model.
1, A main shell; 2, a front end cover, 3, a rear end cover, 4, a shaft rotor, 5, a sector block, 6, a stop block, 7, an oil cavity A, 8, an oil cavity B, 9, a right-rotation buffer regulating valve, 10, a left-rotation buffer regulating valve, 11, a plug screw, 12, a deep groove ball bearing, 13, a lock nut, 14, a circlip, 15, a lip seal ring, 16, a first hydraulic oil inlet and outlet, 17, a second hydraulic oil inlet and outlet, 18, a left-rotation angle limiting regulating screw, and 19, a right-rotation angle limiting regulating screw.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-6, the utility model provides an angle positioning type rotary hydraulic cylinder, which comprises a main housing 1, wherein a front end cover 2 and a rear end cover 3 are respectively arranged at two ends of the main housing 1, a shaft rotor 4 is arranged at the inner side of the main housing 1, an oil cavity is formed between the main housing 1 and the shaft rotor 4, a sector block 5 and a stop block 6 are fixedly arranged at the outer side of the shaft rotor 4, the sector block 5 and the stop block 6 divide the oil cavity into an oil cavity A7 and an oil cavity B8, a right rotary buffer regulating valve 9 and a left rotary buffer regulating valve 10 are arranged on the main housing 1, and a plug screw 11 is arranged at one side of the right rotary buffer regulating valve 9 and one side of the left rotary buffer regulating valve 10.
In a preferred embodiment, the two ends of the shaft rotor 4 are provided with deep groove ball bearings 12, the front end cover 2 and the rear end cover 3 are connected with the main housing 1 through lock nuts 13, an elastic check ring 14 is arranged at the joint of the main housing 1 and the front end cover 2, a lip seal 15 is arranged at the joint of the shaft rotor 4 and the main housing 1, the deep groove ball bearings 12 facilitate the rotation of the shaft rotor 4, and the sealing performance of an oil chamber can be ensured by the arrangement of the elastic check ring 14 and the lip seal 15.
In a preferred embodiment, the main housing 1 is provided with a first hydraulic oil inlet and outlet 16 and a second hydraulic oil inlet and outlet 17, and the first hydraulic oil inlet and outlet 16 and the second hydraulic oil inlet and outlet 17 are communicated with the oil chamber.
In a preferred embodiment, the main housing 1 is provided with a left rotation angle limiting and adjusting screw 18 and a right rotation angle limiting and adjusting screw 19, one ends of the left rotation angle limiting and adjusting screw 18 and the right rotation angle limiting and adjusting screw 19 extend into the oil chamber, and the setting of the left rotation angle limiting and adjusting screw 18 and the right rotation angle limiting and adjusting screw 19 can limit the stop block 6 and the sector block 5, and fine adjustment of the rotation angle of the shaft rotor 4 can be performed through the left rotation angle limiting and adjusting screw 18 and the right rotation angle limiting and adjusting screw 19.
In a preferred embodiment, oil guiding holes are formed in the two plug screws 11, and the two oil guiding holes are respectively communicated with the first hydraulic oil inlet and outlet 16 and the second hydraulic oil inlet and outlet 17, and the oil guiding holes are arranged to facilitate the backflow of hydraulic oil.
The working principle of the utility model is as follows:
When hydraulic oil enters through the first hydraulic oil inlet and outlet 16, hydraulic oil enters the B oil cavity 8, hydraulic oil pushes the stop block 6, the stop block 6 is fixed on the 2-shaft rotor 4, so that under the action of hydraulic oil, the stop block 6 and the shaft rotor 4 rotate anticlockwise and rapidly together, the rotation speed is determined by the flow of hydraulic oil, meanwhile, oil in the A oil cavity 7 is rapidly discharged through the second hydraulic oil inlet and outlet 17, when the position of the stop block 6 reaches and covers the second hydraulic oil inlet and outlet 17, at the moment, residual oil in the A oil cavity 7 flows through the right rotation buffer regulating valve 9 and flows into the second hydraulic oil inlet and outlet 17 from the oil guide hole at the plug screw 11, and finally, the stop block 6 and the shaft rotor 4 stop rotating until the stop block 6 reaches the right rotation angle limiting regulating screw 19, the oil in the A oil cavity 7 stops being discharged at the same time, the right rotation buffer regulating valve 9 is used for regulating the speed of the shaft rotor 4 before the final selection of limiting, so that if the shaft rotor 4 reaches the end point, namely, after the right rotation angle limiting regulating screw 19 position, the rotation angle of the shaft rotor 4 is found, a certain deviation of the rotation angle can still be easily realized, and the rotation angle of the shaft rotor 4 can be further rotated by the length of the right rotation regulating screw 19 is stopped;
Similarly, when hydraulic oil enters through the second hydraulic oil inlet and outlet 17, the hydraulic oil enters the A oil cavity 7, the hydraulic oil pushes the stop block 6, and the shaft rotor 4 rapidly rotates clockwise at the moment. When the position of the stop block 6 reaches and covers the first hydraulic oil inlet and outlet 16, the shaft rotor 4 is turned from quick rotation to slow rotation until the stop block 6 is blocked by the left rotation angle limiting and adjusting screw 18 to stop rotation and positioning, and if the positioning angle of the shaft rotor 4 is deviated, the final stopping angle of the shaft rotor can be easily realized by finely adjusting the screwing length of the left rotation angle limiting and adjusting screw 18.
Finally, it should be noted that the above-mentioned embodiments are only preferred embodiments of the present utility model, and the present utility model is not limited to the above-mentioned embodiments, but it is possible for those skilled in the art to modify the technical solutions described in the above-mentioned embodiments or to make equivalent substitutions for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420974841.1U CN222163350U (en) | 2024-05-07 | 2024-05-07 | Angle positioning type rotary hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420974841.1U CN222163350U (en) | 2024-05-07 | 2024-05-07 | Angle positioning type rotary hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222163350U true CN222163350U (en) | 2024-12-13 |
Family
ID=93791539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420974841.1U Active CN222163350U (en) | 2024-05-07 | 2024-05-07 | Angle positioning type rotary hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222163350U (en) |
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2024
- 2024-05-07 CN CN202420974841.1U patent/CN222163350U/en active Active
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