CN215486934U - Angle fine-adjustment type gear rack swing hydraulic cylinder - Google Patents
Angle fine-adjustment type gear rack swing hydraulic cylinder Download PDFInfo
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- CN215486934U CN215486934U CN202121871342.2U CN202121871342U CN215486934U CN 215486934 U CN215486934 U CN 215486934U CN 202121871342 U CN202121871342 U CN 202121871342U CN 215486934 U CN215486934 U CN 215486934U
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Abstract
The utility model discloses an angle fine-adjustment type gear rack swing hydraulic cylinder which comprises a box body and two cylinder bodies, wherein the two cylinder bodies are respectively connected with a box body flange through a flange and a first inner hexagonal screw penetrating through the flange through threads, the left end port and the right end port of each cylinder body are connected with a cylinder bottom in a plugging mode, the inner sides of the two cylinder bodies are provided with gear shafts penetrating through the box body, the inner sides of conical roller bearings in the box body are connected with gears in a transmission mode, the front side face and the rear side face of the box body are respectively connected with a first gland and a second gland in a sealing mode through the second inner hexagonal screw, the gear shafts are fixedly connected with hydraulic output shafts extending to the outer side of the box body, and each cylinder body is connected with an adjusting screw with a nut and a combined cushion in a threaded mode. According to the utility model, the maximum advancing position of the gear shaft can be adjusted by adjusting the distance of the adjusting screw extending into the hydraulic cavity, so that the swinging angle of the gear rack swinging hydraulic cylinder is finely adjusted.
Description
Technical Field
The utility model belongs to the technical field of hydraulic cylinders, and particularly relates to an angle fine-adjustment type gear rack swing hydraulic cylinder.
Background
The principle of the rack and pinion type swing hydraulic cylinder is that reciprocating motion of the hydraulic cylinder drives a gear through a rack, the reciprocating motion is converted into forward and reverse swing rotation of a gear shaft, and meanwhile thrust of a reciprocating cylinder is converted into output torque of the gear shaft. Because the swing angle of the gear shaft is in direct proportion to the length of the rack, the swing angle of the gear shaft can be arbitrarily selected and can be larger than 360 degrees.
The rack and pinion formula swing hydraulic cylinder of prior art adopts hydraulic oil to promote the piston and drive the rack and realize reciprocating motion at the in-process that uses, consequently the sealing performance of hydraulic pressure intracavity, it is especially important to the use of pneumatic cylinder, the biggest stroke of gear shaft translation in the present rack and pinion formula swing hydraulic cylinder is fixed, can not finely tune according to actual demand, the sealing performance of hydraulic pressure intracavity is good inadequately moreover, and rack and pinion formula swing hydraulic cylinder overall design is too complicated, be not convenient for assembly production.
Therefore, the angle fine-adjustment type gear rack swing hydraulic cylinder which is good in sealing performance, simple in structure and convenient to assemble, assemble and produce is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an angle fine-adjustment type gear rack swing hydraulic cylinder to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: an angle fine adjustment type gear rack swing hydraulic cylinder comprises a box body and two cylinder bodies communicated with the box body, wherein the two cylinder bodies are respectively positioned at the left side and the right side of the box body, the two cylinder bodies are respectively connected with a box body flange through a flange and a first hexagon socket head cap screw penetrating through the flange through threads, the left end port and the right end port of each cylinder body are connected with a cylinder bottom in a sealing manner, gear shafts penetrating through the box body and respectively connected with the inner side walls of the two cylinder bodies in a sliding manner are arranged at the inner sides of the two cylinder bodies, the inner side of a tapered roller bearing fixedly arranged on the inner side of the box body is in transmission connection with a gear meshed with a gear shaft, the front side surface and the rear side surface of the box body are respectively connected with a first gland and a second gland in a sealing way through second inner hexagon screws, the hydraulic output shaft extending to the outer side of the box body is fixedly connected to the gear shaft, and each cylinder body is connected with an adjusting screw with a nut and a combined pad in a threaded mode.
Preferably, a plurality of first inner hexagon screws on the flange are annularly and equidistantly arranged.
Preferably, the splicing and butt joint parts of the two cylinder bodies and the box body are respectively provided with a first O-shaped ring.
Preferably, the inner sides of the first gland and the second gland are provided with dustproof gaskets.
Preferably, the outer side faces of the left end and the right end of the gear shaft are respectively provided with an elastic retainer ring for holes.
Preferably, two sealed hydraulic inner cavities located on the left side and the right side of the box body are enclosed between the gear shaft, the two cylinder bottoms and the two cylinder bodies, and liquid inlet and outlet communicated with the hydraulic inner cavities are formed in the two cylinder bottoms.
Preferably, a second O-shaped ring is arranged on the outer side surface of the adjusting screw.
The utility model has the technical effects and advantages that: the angle fine adjustment type gear rack swing hydraulic cylinder is characterized in that two cylinder bodies are connected with a box body flange through a flange and a first inner hexagonal screw penetrating through the flange through threads, a first pressing cover and a second pressing cover are hermetically connected with the box body through a second inner hexagonal screw, the whole gear rack swing hydraulic cylinder is convenient to assemble, assemble and produce, the arrangement of a first O-shaped ring at the splicing and butting position of the two cylinder bodies and the box body, the arrangement of dustproof gaskets at the inner sides of the first pressing cover and the second pressing cover, the arrangement of elastic check rings for holes at the outer sides of the left end and the right end of a gear shaft improves the sealing performance of the gear rack swing hydraulic cylinder, the sealing and protecting effect of the gear rack swing hydraulic cylinder is improved, each cylinder body is screwed with an adjusting screw with a nut and a combined gasket, and the maximum advancing position of the gear shaft can be adjusted by adjusting the distance of the adjusting screw extending into a hydraulic cavity, therefore, the swing angle of the gear rack swing hydraulic cylinder is finely adjusted, and the sealing performance of the hydraulic inner cavity is further improved by the second O-shaped ring on the outer side surface of the adjusting screw.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a half-sectional view of FIG. 1 in accordance with the present invention;
FIG. 3 is a left side cross-sectional view of the case of FIG. 2 according to the present invention;
fig. 4 is a left side view of fig. 1 of the present invention.
In the figure: 1. a cylinder bottom; 2. a cylinder body; 3. a circlip for a hole; 4. a first socket head cap screw; 5. a first O-ring; 6. a box body; 7. a gear shaft; 8. a flange; 9. a second socket head cap screw; 10. a tapered roller bearing; 11. a first gland; 12. a second gland; 13. a dust-proof gasket; 14. a gear; 15. a second O-ring; 16. and adjusting the screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides an angle fine-adjustment type gear rack swing hydraulic cylinder as shown in figures 1-4, which comprises a box body 6 and two cylinder bodies 2 communicated with the box body 6, wherein the two cylinder bodies 2 are respectively positioned at the left side and the right side of the box body 6, the two cylinder bodies 2 are respectively in flange connection with the box body 6 through flanges 8 and first hexagon socket screws 4 penetrating through the flanges 8 through threads, the first hexagon socket screws 4 on the flanges 8 are annularly and equidistantly arranged, the insertion and butt joints of the two cylinder bodies 2 and the box body 6 are respectively provided with a first O-shaped ring 5, each cylinder body 2 is in threaded connection with an adjusting screw 16 with a nut and a combined pad, and the outer side surface of each adjusting screw 16 is provided with a second O-shaped ring 15;
the ports of the left end and the right end of the two cylinder bodies 2 are connected with cylinder bottoms 1 in a plugging manner, gear shafts 7 which penetrate through the box body 6 and are respectively connected with the inner side walls of the two cylinder bodies 2 in a sliding manner are arranged on the inner sides of the two cylinder bodies 2, gears 14 which are meshed with the gear shafts 7 are connected on the inner sides of tapered roller bearings 10 fixedly arranged on the inner sides of the box body 6 in a transmission manner, a first pressing cover 11 and a second pressing cover 12 are respectively connected on the front side surface and the rear side surface of the box body 6 in a sealing manner through second inner hexagon screws 9, a hydraulic output shaft which extends to the outer side of the box body 6 is fixedly connected on the gear shaft 7, dustproof gaskets 13 are respectively arranged on the inner sides of the first pressing cover 11 and the second pressing cover 12, elastic check rings 3 for holes are respectively arranged on the outer side surfaces of the left end and the right end of the gear shaft 7, the two cylinder bottoms 1 and the two cylinder bodies 2, and two sealed hydraulic inner cavities which are positioned on the left side and the right side of the box body 6 are enclosed, the two cylinder bottoms 1 are provided with liquid inlet and outlet communicated with the hydraulic inner cavity;
the two cylinder bodies 2 are respectively in flange connection with the box body 6 through the flange 8 and the first inner hexagon screws 4 penetrating the flange 8 through threads, and the first pressing cover 11 and the second pressing cover 12 are in sealing connection with the box body 6 through the second inner hexagon screws 9, so that the whole gear rack swing hydraulic cylinder is convenient to assemble and produce;
the arrangement of the first O-shaped rings 5 at the splicing and butt joint positions of the two cylinder bodies 2 and the box body 6, the arrangement of the dustproof gaskets 13 at the inner sides of the first gland 11 and the second gland 12, and the arrangement of the elastic check rings 3 for the holes at the outer side surfaces of the left end and the right end of the gear shaft 7 all improve the sealing performance of the gear rack swing hydraulic cylinder and the sealing protection effect of the gear rack swing hydraulic cylinder;
the adjusting screws 16 with nuts and combined gaskets are connected to each cylinder body 2 in a threaded mode, the maximum advancing position of the gear shaft 7 can be adjusted by adjusting the distance of the adjusting screws 16 extending into the hydraulic inner cavity, the swinging angle of the gear rack swinging hydraulic cylinder is finely adjusted, and the sealing performance of the hydraulic inner cavity is further improved by the arrangement of the second O-shaped rings 15 on the outer side faces of the adjusting screws 16.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (7)
1. The utility model provides an angle fine-tuning rack and pinion swing pneumatic cylinder, includes box (6) and two cylinder bodies (2) that switch on mutually with box (6), its characterized in that: the two cylinder bodies (2) are respectively positioned at the left side and the right side of the box body (6), the two cylinder bodies (2) are respectively connected with the box body (6) through a flange (8) and a first inner hexagonal screw (4) which penetrates through the flange (8) through a thread, the port plugging of the left end and the right end of each cylinder body (2) is connected with the cylinder bottom (1), the inner sides of the two cylinder bodies (2) are provided with gear shafts (7) which penetrate through the box body (6) and are respectively connected with the inner side walls of the two cylinder bodies (2) in a sliding manner, the inner side of a conical roller bearing (10) fixedly arranged at the inner side of the box body (6) is in transmission connection with gears (14) meshed with the gear shafts (7), the front side face and the rear side face of the box body (6) are respectively connected with a first gland (11) and a second gland (12) through a second inner hexagonal screw (9) in a sealing manner, and the gear shaft (7) is fixedly connected with a hydraulic output shaft which extends to the outer side of the box body (6), each cylinder body (2) is connected with an adjusting screw (16) with a nut and a combined pad in a threaded mode.
2. The fine angle adjustment type rack and pinion oscillating hydraulic cylinder according to claim 1, wherein: a plurality of first inner hexagon screws (4) on the flange (8) are annularly arranged at equal intervals.
3. The fine angle adjustment type rack and pinion oscillating hydraulic cylinder according to claim 1, wherein: and the splicing and butt joint parts of the two cylinder bodies (2) and the box body (6) are respectively provided with a first O-shaped ring (5).
4. The fine angle adjustment type rack and pinion oscillating hydraulic cylinder according to claim 1, wherein: and the inner sides of the first gland (11) and the second gland (12) are provided with dustproof gaskets (13).
5. The fine angle adjustment type rack and pinion oscillating hydraulic cylinder according to claim 1, wherein: the outer side faces of the left end and the right end of the gear shaft (7) are respectively provided with an elastic retainer ring (3) for holes.
6. The fine angle adjustment type rack and pinion oscillating hydraulic cylinder according to claim 1, wherein: two sealed hydraulic inner cavities positioned at the left side and the right side of the box body (6) are defined by the gear shaft (7), the two cylinder bottoms (1) and the two cylinder bodies (2), and liquid inlet and outlet communicated with the hydraulic inner cavities are formed in the two cylinder bottoms (1).
7. The fine angle adjustment type rack and pinion oscillating hydraulic cylinder according to claim 1, wherein: and a second O-shaped ring (15) is arranged on the outer side surface of the adjusting screw (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121871342.2U CN215486934U (en) | 2021-08-11 | 2021-08-11 | Angle fine-adjustment type gear rack swing hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121871342.2U CN215486934U (en) | 2021-08-11 | 2021-08-11 | Angle fine-adjustment type gear rack swing hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215486934U true CN215486934U (en) | 2022-01-11 |
Family
ID=79758363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121871342.2U Active CN215486934U (en) | 2021-08-11 | 2021-08-11 | Angle fine-adjustment type gear rack swing hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215486934U (en) |
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2021
- 2021-08-11 CN CN202121871342.2U patent/CN215486934U/en active Active
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