CN111911704A

CN111911704A - Movable pneumatic actuator

Info

Publication number: CN111911704A
Application number: CN202010933303.4A
Authority: CN
Inventors: 林年泽; 章鹤; 陈迎; 刘天宏
Original assignee: Hefei Machinery Co ltd
Current assignee: Hefei Machinery Co ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2020-11-10
Anticipated expiration: 2040-09-08
Also published as: CN111911704B

Abstract

A mobile pneumatic actuator, comprising: the hand-held pneumatic motor driver rotates around the X-axis direction to output, and the hand-held pneumatic motor driver is connected with a hand wheel adapter which can be connected with a valve hand wheel in a driving way; still be connected with the moment manipulator on the hand-held type pneumatic motor driver, the moment manipulator includes a plurality of articulated linking arms in proper order, and the linking arm is articulated around Y axle direction, and the tip of moment manipulator is equipped with the support fixer that can be connected with the valve support. When the movable pneumatic actuator is used, the support fixer is fixedly connected with the valve support, the handheld pneumatic motor driver is connected with the valve hand wheel through the hand wheel adapter, and the valve can be driven to open and close by opening the handheld pneumatic motor driver.

Description

Movable pneumatic actuator

Technical Field

The invention relates to a pneumatic actuator, in particular to a movable pneumatic actuator.

Background

The pneumatic actuator is a valve actuator that converts pressure energy of compressed air into mechanical energy of rotation or expansion, and is generally used as a driving power source for opening and closing a valve.

At present, a pneumatic actuator is generally fixed, one valve is configured with one actuator, and the problems of unstable performance, complex structure, large appearance, high manufacturing cost and the like exist.

Disclosure of Invention

In order to overcome the defects of the background art, the invention provides a movable pneumatic actuator.

The technical scheme adopted by the invention is as follows: a mobile pneumatic actuator comprising a hand-held pneumatic motor driver; the hand-held pneumatic motor driver rotates around the X-axis direction to output, and the hand-held pneumatic motor driver is connected with a hand wheel adapter which can be connected with a valve hand wheel in a driving way; still be connected with the moment manipulator on the hand-held type pneumatic motor driver, the moment manipulator includes a plurality of articulated linking arms in proper order, just the linking arm is articulated around Y axle direction, the tip of moment manipulator is equipped with the support fixer that can be connected with valve support.

The hand-held pneumatic motor driver comprises a pneumatic motor, a planetary speed reducing mechanism and an output mechanism; the output end of the pneumatic motor is in driving connection with the planetary reduction mechanism, and the output end of the planetary reduction mechanism is connected with the output mechanism through a bevel gear.

The planetary reduction mechanism adopts a three-stage planetary reduction mechanism.

The output mechanism comprises a shell, an output shaft and a limiting sleeve, the output shaft and the limiting sleeve are coaxially and rotatably arranged in the shell, the output shaft and the limiting sleeve are axially limited, conical teeth are integrally formed outside the output shaft and are meshed with a bevel gear, and a polygonal operation through hole is formed in the center of the output shaft.

The hand wheel adapter comprises a connecting disc and a connector, wherein a plurality of groups of mounting holes used for mounting the U-shaped bolts are formed in the connecting disc, and the connector is a polygon matched with the operating through holes of the output shaft.

And a central hole communicated with the operation through hole is formed in the center of the hand wheel adapter.

Still including removing the air supply annex, it includes hand-basket, air supply trigeminy piece to remove the air supply annex, air supply trigeminy piece sets up in the hand-basket, air supply trigeminy piece passes through the hose and connects compressed gas air supply and hand-held type pneumatic motor driver respectively.

The hose and the air source triple piece, the compressed air source and the handheld pneumatic motor driver are detachably connected through quick connectors.

The invention has the beneficial effects that: when the movable pneumatic actuator is used, the support fixer is fixedly connected with the valve support, the handheld pneumatic motor driver is connected with the valve hand wheel through the hand wheel adapter, and the valve can be driven to open and close by opening the handheld pneumatic motor driver.

Drawings

Fig. 1 is a schematic view of an installation structure of a mobile pneumatic actuator according to an embodiment of the present invention.

Fig. 2 is a schematic view of an installation structure of a mobile pneumatic actuator according to another embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a handheld pneumatic motor driver according to an embodiment of the present invention.

Fig. 4 is a cross-sectional view of a hand-held pneumatic motor drive in accordance with an embodiment of the present invention.

Fig. 5 is a schematic structural view of a handwheel adapter of an embodiment of the present invention 1.

Fig. 6 is a schematic structural view of a handwheel adapter of an embodiment of the present invention 2.

Fig. 7 is a schematic structural diagram of a torque manipulator according to an embodiment of the present invention.

Fig. 8 is a schematic structural diagram of a mobile air supply accessory according to an embodiment of the invention.

Detailed Description

The embodiments of the invention will be further described with reference to the accompanying drawings in which:

as shown in the figure, the mobile pneumatic actuator comprises a handheld pneumatic motor driver 1, a hand wheel adapter 2, a torque manipulator 3 and a mobile air source accessory 4.

The hand-held pneumatic motor driver 1 comprises a pneumatic motor 11, a planetary speed reducing mechanism 12 and an output mechanism 13, wherein an air source interface is arranged on the pneumatic motor 11, and can be connected with a compressed air source through a hose to provide pneumatic driving force; the output end of the pneumatic motor 11 is in driving connection with a planetary speed reducing mechanism 12, and the planetary speed reducing mechanism 12 is a three-stage high-precision planetary speed reducing mechanism, so that the pneumatic motor is small in size, has a large speed reducing ratio and improves torque; the output end of the planetary reduction mechanism 12 is connected with the output mechanism 13 through the bevel gear 14, and the bevel gear 14 not only further reduces the speed and increases the torque, but also enables the output mechanism 13 and the planetary reduction mechanism 12 to form a 90-degree turn, and is small in size.

The output mechanism 13 includes a housing 131, an output shaft 132, and a limiting sleeve 133, the output shaft 132 and the limiting sleeve 133 are coaxially disposed and rotatably installed in the housing 131, the output shaft 132 and the limiting sleeve 133 are axially limited, the output shaft 132 is integrally formed with tapered teeth outside to be engaged with the bevel gear 14, and a polygonal operation through hole is formed in the center of the output shaft 132. The operation through hole is in a regular polygon shape, such as an octagon and a hexagon, and is convenient to process.

The hand wheel adapter 2 comprises a connecting disc 21 and a connecting head 22, wherein a plurality of groups of mounting holes 211 for mounting U-shaped bolts are formed in the connecting disc 21, so that the hand wheel adapter can be in adaptive connection with a hand wheel of a valve through the U-shaped bolts, has good universality and is convenient to be in adaptive connection with various valve hand wheels; the connector 22 is a polygon matched with the operation through hole of the output shaft 132, during operation, the hand wheel adapter 2 is installed on a valve hand wheel through a U-shaped bolt, then the operation through hole of the output shaft 132 on the hand-held pneumatic motor driver 1 is sleeved on the connecting disc 21 of the hand wheel adapter 2, and the hand-held pneumatic motor driver 1 is controlled to conveniently realize the opening and closing operation of the valve.

The center of the hand wheel adapter 2 is provided with a center hole 23 communicated with the operation through hole, a locking bolt and the like in the center of the hand wheel can be accommodated, and the hand wheel adapter is convenient to adapt to various valve hand wheels.

Moment 3 one end of manipulator is connected with hand-held type pneumatic motor driver 1, and the other end is equipped with support fixer 32 to can be through support fixer 32 and valve support fixed connection, when support fixer 32 and valve support fixed connection, can provide the effect of a counter torque, at operation hand-held type pneumatic motor driver 1, it is more laborsaving, the action is more stable.

Wherein, the body of the torque manipulator 3 is formed by connecting a plurality of connecting arms 31 which are sequentially hinged, supposing that the rotating output direction of the hand-held pneumatic motor driver 1 and the rotating hinge direction of the connecting arms 31 are defined on the basis of an X-Y axis coordinate system, when the rotary output of the hand-held pneumatic motor driver 1 is defined as a rotary output about the X-axis direction, the rotary hinge definition of the connecting arm 31 can be set as a rotary hinge about the Y-axis direction, i.e. the centre line of rotation of the articulation of the connecting arm 31 is perpendicular to the centre line of rotation of the output of the hand-held pneumatic motor drive 1, while ensuring that the torque manipulator 3 provides a reliable counter torque effect for the hand-held pneumatic motor drive 1, it is convenient to adjust the articulated multi-section connecting arm 31 for the connecting arm 31 can be out of shape to satisfy multiple types of valves.

In addition, the torque manipulator 3 the support fixer 32 adopts a clamping plate type structure, can be locked and fixedly connected with the valve support through bolts, and is conveniently and fixedly connected with various valve supports.

Remove air supply annex 4 including hand-basket 41, air supply trigeminy piece 42 is placed in hand-basket 41, portable, the entry end of air supply trigeminy piece 42 passes through the hose and is connected with the compressed air supply, and the exit end passes through the hose and is connected with pneumatic motor 11 to for handheld pneumatic motor driver 1 provides multiple functions such as air supply passageway, filtration, purification oil mist, pressure regulating, realize the effect that the express delivery removed, convenient switching operation simultaneously.

In addition, the hose is connected with the air source triple piece 42, the pneumatic motor 11 and the compressed air source through quick connectors, and the hose is convenient to disassemble and assemble.

By adopting the scheme, the method has the following advantages:

1. the hand-held pneumatic motor driver 1 is adopted and matched with the hand wheel adapter 2, the valve can be used as long as an air source is connected, the valve is small in size, light in appearance and convenient to carry, and can be suitable for valves of various types/specifications, so that the valve is multipurpose, the cost is greatly saved, and the operation time is saved;

2. the handheld pneumatic motor driver 1 adopts a three-stage high-precision planetary reduction mechanism and a bevel gear for multiple reduction, so that the torque is greatly improved while the small volume is ensured, the large torque output is realized, the power is sufficient, and the action is reliable;

3. the moment manipulator 3 can adapt to valves of various types/specifications through the hinged structure of the multi-section connecting arms 31, provides the function of counter moment, and can ensure that a person using a tool can operate comfortably, reduce fatigue and improve safety;

4. set up and remove air supply annex 4, not only provide multiple functions such as air supply passageway, filtration, purification, oil mist, pressure regulating, realize the express delivery simultaneously and remove, the effect of convenient switching operation.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The skilled person should understand that: although the invention has been described in terms of the above specific embodiments, the inventive concept is not limited thereto and any modification applying the inventive concept is intended to be included within the scope of the patent claims.

Claims

1. A mobile pneumatic actuator comprising a hand-held pneumatic motor drive (1); the method is characterized in that: the hand-held pneumatic motor driver (1) rotates around the X-axis direction to output, and the hand-held pneumatic motor driver (1) is connected with a hand wheel adapter (2) which can be connected with a valve hand wheel in a driving mode; still be connected with moment manipulator (3) on hand-held type air motor driver (1), moment manipulator (3) include a plurality of articulated linking arm (31) in proper order, just linking arm (31) are around the rotatory articulated of Y axle direction, the tip of moment manipulator (3) is equipped with support fixer (32) that can be connected with valve support.

2. A mobile pneumatic actuator as recited in claim 1, wherein: the hand-held pneumatic motor driver (1) comprises a pneumatic motor (11), a planetary speed reducing mechanism (12) and an output mechanism (13); the output end of the pneumatic motor (11) is connected with a planetary reduction mechanism (12) in a driving mode, and the output end of the planetary reduction mechanism (12) is connected with an output mechanism (13) through a bevel gear (14).

3. A mobile pneumatic actuator as recited in claim 2, wherein: the planetary reduction mechanism (12) adopts a three-stage planetary reduction mechanism.

4. A mobile pneumatic actuator as recited in claim 2, wherein: the output mechanism (13) comprises a shell (131), an output shaft (132) and a limiting sleeve (133), the output shaft (132) and the limiting sleeve (133) are coaxially and rotatably mounted in the shell (131), the output shaft (132) and the limiting sleeve (133) are axially limited, conical teeth are integrally formed outside the output shaft (132) and are meshed with the bevel gears (14), and a polygonal operation through hole is formed in the center of the output shaft (132).

5. A mobile pneumatic actuator according to claim 4, wherein: hand wheel adapter (2) include connection pad (21), connector (22), be equipped with multiunit mounting hole (211) that are used for installing the U-shaped bolt on connection pad (21), connector (22) are the polygon with the operation through-hole looks adaptation of output shaft (132).

6. A mobile pneumatic actuator according to claim 5, wherein: and a central hole (23) communicated with the operation through hole is formed in the center of the hand wheel adapter (2).

7. A mobile pneumatic actuator as recited in claim 1, wherein: still including removing air supply annex (4), remove air supply annex (4) including hand-basket (41), air supply trigeminy piece (42) set up in hand-basket (41), compressed gas air source and hand-held type pneumatic motor driver (1) are connected respectively through the hose to air supply trigeminy piece (42).

8. A mobile pneumatic actuator according to claim 7, wherein: the hose and air source triple piece (42), the compressed air source and the handheld pneumatic motor driver (1) are detachably connected through quick connectors.