CN220016270U

CN220016270U - Rotating mechanism taking compressed air as power

Info

Publication number: CN220016270U
Application number: CN202223494200.6U
Authority: CN
Inventors: 张蔚; 张健輝; 刘晓铭; 张荣锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-11-14
Anticipated expiration: 2032-12-27

Abstract

The utility model discloses a rotating mechanism taking compressed air as power, and belongs to the technical field of valve control. According to the utility model, compressed air is used as power, the piston head in the cylinder is pushed by air pressure to periodically abut against the push rod, so that torsion is generated, the main shaft rotates, and larger torsion is output through the planetary gear mechanism, so that the opening and closing of the forward and reverse rotation or the valve of the transmission mechanism are realized.

Description

Rotating mechanism taking compressed air as power

Technical Field

The utility model relates to the technical field of hand wheel rotation replacement in industrial production, mechanical manufacturing, national defense and military, and the like, in particular to a rotating mechanism taking compressed air as power.

Background

In the fields of petroleum, chemical industry, metallurgy, iron and steel, cement, machinery manufacturing, national defense and military, there are many devices that use hand wheels to perform rotation transmission motion, such as valves in the production field, movement of large supporting mechanisms in the manufacturing industry, field radar lifting mechanisms for national defense and military, etc. However, the hand wheel shake switch for the large-scale manual valve is very laborious and time-consuming, and has low safety, especially when the vehicle is started and stopped and emergency is handled, the valve can be quickly and accurately opened and closed in a second-competing manner and timely handled, the expansion of the accident can be avoided, and the harm faced by operators is furthest reduced, so that the manpower can be greatly reduced and the efficiency is improved if the hand wheel shake switch is replaced by the technology of the patent. The existing valve pneumatic device is lack of a sealing structure in structure, external moisture, dust, impurities, corrosive gas and the like can easily enter the pneumatic device to cause machine damage, so that a rotating mechanism using compressed air as power is provided, and the problem in the prior art is solved.

Disclosure of Invention

The utility model aims to provide a rotating mechanism taking compressed air as power, which solves the problems that the prior pneumatic device provided by the background art lacks a sealing structure in structure, and external moisture, dust, impurities, corrosive gas and the like easily enter the pneumatic device to cause machine damage.

In order to achieve the above purpose, the utility model provides a rotating mechanism taking compressed air as power, which comprises an outer cylinder body, wherein a main shaft penetrates through the center of the outer cylinder body, an upper cover plate is arranged at the top of the outer cylinder body, a lower cover plate is arranged at the bottom of the outer cylinder body, an upper compression ring is arranged at the bottom of the upper cover plate, a lower compression ring is arranged at the top of the lower cover plate, an upper bearing seat is arranged at the top of the upper cover plate, a gas distribution ring is matched in the upper bearing seat, a gas distribution ring is matched with the gas distribution ring, the main shaft sequentially penetrates through the upper bearing seat, the gas distribution ring, the upper compression ring and the lower compression ring, O-shaped sealing rings matched with the main shaft are arranged on the upper bearing seat, a plurality of cylinder bodies are arranged in the outer cylinder body and between the upper compression ring and the lower compression ring, pistons of 6 circumferences are arranged on the cylinder bodies, push rods contacted with the push rods are matched with the piston seats, the push rods are matched with the push rods, the upper compression ring and the lower compression ring are matched with the lower compression ring, the main shaft is provided with a planetary gear mechanism, and the bottom end of the planetary mechanism is provided with the bottom end of the main shaft, and the planetary mechanism is connected with the bottom of the main shaft.

Preferably, a sealing structure is matched between the gas distribution ring and the upper bearing seat and between the gas distribution ring and the gas distribution ring.

Preferably, six piston chambers are uniformly distributed in the piston, each piston chamber is provided with a piston head, and an O-shaped sealing ring structure is arranged between the piston head and the piston chamber.

Preferably, the piston head is T-shaped, so that stable operation of the piston can be realized, and the contact area between the piston head and the push rod is increased.

Preferably, bearings are matched between the upper bearing seat and the lower cover plate and the main shaft.

Preferably, the air distribution ring is matched with the outside with a first air inlet (air outlet) and a second air inlet (air outlet).

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, compressed air is used as power, the piston head in the cylinder is pushed by air pressure to periodically abut against the push rod, so that torsion is generated, the main shaft rotates, and larger torsion is output through the planetary gear mechanism, so that the opening and closing of the forward and reverse rotation or the valve of the transmission mechanism are realized.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model;

fig. 3 is a schematic top view of the lower cover plate of the present utility model.

In the figure: 1. a hand wheel; 2. distributing a gas ring; 201. a gas distribution sealing ring; 3. an upper bearing seat; 301. an O-ring seal; 4. an upper cover plate; 5. a cylinder block; 501. an air inlet hole; 6. a piston; 7. a push rod; 701. a rolling bearing; 8. a lower cover plate; 9. a planetary gear mechanism; 10. an output shaft; 11. a main shaft; 12. a lower pressing ring; 13. a pressing ring is arranged; 14. an outer cylinder; 15. an air inlet (air outlet); 16. and a second air inlet (air outlet).

Detailed Description

In order to more clearly illustrate the present utility model, the present utility model will be further described with reference to preferred embodiments. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and that this utility model is not limited to the details given herein.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, or detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-2, the present utility model provides a rotating mechanism using compressed air as power, including an outer cylinder 14, a main shaft 11 is disposed through the center of the outer cylinder 14, an upper cover plate 4 is disposed at the top of the outer cylinder 14, a lower cover plate 8 is disposed at the bottom of the outer cylinder 14, an upper compression ring 13 is disposed at the bottom of the upper cover plate 4, a lower compression ring 12 is disposed at the top of the lower cover plate 8, an upper bearing seat 3 is disposed at the top of the upper cover plate 4, a gas distributing ring 2 is matched with the upper bearing seat 3, a gas distributing ring 201 is matched with the gas distributing ring 2, the main shaft 11 sequentially penetrates through the upper bearing seat 3, the gas distributing ring 2, the upper compression ring 13 and the lower compression ring 12, an O-shaped sealing ring 301 matched with the main shaft 11 is disposed on the upper bearing seat 3, a plurality of cylinder blocks 5 are disposed in the outer cylinder 14 and between the upper compression ring 13 and the lower compression ring 12, a gas inlet holes 501 are matched with the cylinder blocks 5, 6 pistons 6 uniformly distributed circumferentially are disposed in each cylinder block 5, push rods 7 are matched with the upper and lower ends of the push rods 7 in contact with the piston 6, a hand wheel 1 is disposed at the top of the main shaft 11, a bottom end of the main shaft 11 is provided with a gear mechanism 9, and a planetary gear mechanism is connected to the planetary gear mechanism 10.

Sealing structures are matched between the gas distribution ring 2 and the gas distribution ring 201 and the upper bearing seat 3.

Six piston chambers are uniformly distributed in the piston 6, each piston chamber is provided with a piston head, and an O-shaped sealing ring structure is arranged between the piston heads and the piston chambers.

The piston head is T-shaped.

Bearings are matched between the upper bearing seat 3 and the lower cover plate 8 and the main shaft 11.

The air distribution ring 2 is matched with the outside with a first air inlet and outlet 15 and a second air inlet and outlet 16.

Example 1

Referring to fig. 1-2, a rotating mechanism using compressed air as power comprises an outer cylinder 14, a main shaft 11 is arranged in the center of the outer cylinder 14 in a penetrating manner, an upper cover plate 4 is arranged at the top of the outer cylinder 14, a lower cover plate 8 is arranged at the bottom of the outer cylinder 14, an upper pressing ring 13 is arranged at the bottom of the upper cover plate 4, a lower pressing ring 12 is arranged at the top of the lower cover plate 8, an upper bearing seat 3 is arranged at the top of the upper cover plate 4, a gas distribution ring 2 is matched in the upper bearing seat 3, a gas distribution ring 201 is matched on the gas distribution ring 2, and a sealing structure is matched between the gas distribution ring 2 and the gas distribution ring 201 and the upper bearing seat 3, so that the sealing effect inside is enhanced.

The main shaft 11 sequentially penetrates through the upper bearing seat 3, the gas distribution ring 2, the upper pressing ring 13 and the lower pressing ring 12, and the O-shaped sealing ring 301 matched with the main shaft 11 is arranged on the upper bearing seat 3, so that external moisture, dust, impurities, corrosive gas and the like are difficult to enter the pneumatic device, and damage to the machine can be avoided.

A plurality of cylinder blocks 5 are arranged in the outer cylinder body 14 and between the upper compression ring 13 and the lower compression ring 12, air inlets 501 are matched on the cylinder blocks 5, 6 pistons 6 with the circumference being uniformly distributed are arranged in each cylinder block 5, push rods 7 in contact with the pistons 6 are matched on one side of the pistons, rolling bearings 701 are matched at two ends of each push rod 7, a hand wheel 1 is arranged at the top end of a main shaft 11, a planetary gear mechanism 9 is arranged at the bottom end of the main shaft 11, an output shaft 10 is connected at the bottom end of the planetary gear mechanism 9, and the output shaft 10 is connected with a valve rod of an external valve.

Referring to fig. 1-3, when the intake main valve 20 is opened, compressed air enters the cylinder block 5 through the intake hole 501, the piston head in the cylinder block 5 is pushed to extend by air pressure, and the push rod 7 is pushed to move, such as push rod 3A/3B in fig. 3, to move to the top of the curve on the arc curve groove in the lower cover plate 8, the intake of the cylinder block 7 is finished, torque is generated in the process, so that the main shaft 11 rotates, meanwhile, the push rod 2A/2B moves from the top of the arc to half of the arc, the piston 6 moves inwards, and the air in the cylinder block 5 is discharged through the intake (exhaust) air valve. At the same time, the push rod 1A/1B moves from the half position of the circular arc to the end of the innermost exhaust of the circular arc, and the piston 6 moves forwards at the air inlet stage through the air distribution ring 2 to push the push rod 7 to move, so that torque is generated to drive the main shaft 11 to rotate continuously. The rotation of the main shaft 11 is realized by the cyclic reciprocation, and the planetary gear mechanism 9 at the bottom end of the main shaft 11 drives the output shaft 10, so that the external valve rod is driven to rotate. When the switching valve 19 is pulled to switch the intake (exhaust) position, the reverse rotation of the rotating mechanism is achieved to open and close the valve due to the opposite torque generated. The hand wheel 1 can be used as an alternative way, and the valve can be manually opened and closed under the condition of closing the air source of the rotating mechanism, so that the manual and pneumatic mutual switching is realized, and meanwhile, the rotation of the valve rod is convenient to observe.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A rotating mechanism powered by compressed air, comprising an outer cylinder (14), characterized in that: the center of the outer cylinder body (14) is penetrated and provided with a main shaft (11), the top of the outer cylinder body (14) is provided with an upper cover plate (4) and the bottom of the outer cylinder body (14) is provided with a lower cover plate (8), the bottom of the upper cover plate (4) is provided with an upper press ring (13), the top of the lower cover plate (8) is provided with a lower press ring (12), the top of the upper cover plate (4) is provided with an upper bearing seat (3), the upper bearing seat (3) is internally matched with a gas distribution ring (2), the gas distribution ring (2) is matched with a gas distribution ring (201), the main shaft (11) sequentially penetrates through the upper bearing seat (3), the gas distribution ring (2), the upper press ring (13) and the lower press ring (12), the upper bearing seat (3) is provided with an O-shaped sealing ring (301) matched with the main shaft (11), the outer cylinder body (14) is internally and is positioned between the upper press ring (13) and the lower press ring (12) and is provided with a plurality of gas distribution rings (5), the piston rings (6) are uniformly distributed on one side of the piston cylinder body (6) and each piston ring (6) are contacted with each piston (6), the upper end and the lower end of the push rod (7) are matched with rolling bearings (701), a hand wheel (1) is arranged at the top end of the main shaft (11), a planetary gear mechanism (9) is arranged at the bottom end of the main shaft (11), and an output shaft (10) is connected to the bottom end of the planetary gear mechanism (9).

2. A compressed air powered rotary mechanism according to claim 1, wherein: sealing structures are matched between the gas distribution ring (2) and the gas distribution sealing ring (201) and the upper bearing seat (3).

3. A compressed air powered rotary mechanism according to claim 1, wherein: six piston chambers are uniformly distributed in the piston (6), each piston chamber is provided with a piston head, and an O-shaped sealing ring structure is arranged between the piston head and the piston chamber.

4. A compressed air powered rotary mechanism according to claim 3, wherein: the piston head is T-shaped.

5. A compressed air powered rotary mechanism according to claim 1, wherein: bearings are matched between the upper bearing seat (3) and the lower cover plate (8) and the main shaft (11).

6. A compressed air powered rotary mechanism according to claim 1, wherein: the air distribution ring (2) is matched with the outside with an air inlet (air outlet) I (15) and an air inlet (air outlet) II (16).