Gear type pneumatic motor actuator

Abstract

The invention relates to the technical field of valves, and discloses a gear type pneumatic motor actuator which comprises a supporting mechanism and a driving mechanism, the supporting mechanism comprises a shell, an air chamber is fixedly connected to the outer wall of the top of the shell, and a hand wheel is rotationally connected to the top of the air chamber through a rotating shaft; when the gear type pneumatic motor actuator works, the pressure of an air source has the possibility of fluctuation, when the air pressure is too low and the low air pressure is not enough to push the stress plate, the rotating frame cannot rotate, air is continuously injected into the air chamber, the air pressure is increased, and when the air pressure reaches a certain degree, the first groove is formed in the inner wall of the end, close to the air chamber, of the rotating frame. When the air pressure is too high, the force bearing plate can be pushed by the air pressure, then the motor execution assembly starts to work, when the air pressure is too high, the auxiliary assembly slows down the motor execution assembly, through the speed reduction mechanism, the motor execution assembly can be prevented from bearing too large loads, abrasion is prevented from being aggravated, and finally the service life of the motor execution assembly is prolonged.

Description

Technical Field

[0001] The invention relates to the field of valve technology, in particular to a gear-type pneumatic motor actuator. Background Art

[0002] Geared pneumatic motor actuators are devices driven by compressed air. The gears inside them rotate under the action of air pressure, converting energy into mechanical energy. They are composed of gear motors, control units, etc. They have many advantages, such as large starting torque, forward and reverse rotation, overload protection, and remote control. They are suitable for hazardous environments such as petrochemicals, mining and other fields.

[0003] The patent application with application number CN201310220719.1 discloses a gear-type pneumatic motor actuator, including a housing and a sleeve. The sleeve is inserted into the housing, one end of the sleeve is linked to the valve, and a handwheel is installed on the other end of the sleeve. An air motor is arranged in the housing, and a manual pneumatic switching device is also arranged between the sleeve and the air motor. The manual pneumatic switching device includes an inner clutch disc, an outer clutch disc, a switching handle, a switching seat, an upper switching pin and a lower switching pin.

[0004] In summary, during the operation of the geared pneumatic motor actuator, the air source pressure may fluctuate. When the air pressure is too low, the geared pneumatic motor actuator will have insufficient output torque and will be unable to drive the load normally. On the contrary, if the air pressure is too high, it may cause damage to the internal structure of the actuator, such as causing excessive gear load, resulting in increased wear and tear, and even broken teeth in severe cases, thereby shortening the service life of the actuator.

[0005] To this end, we propose a geared pneumatic motor actuator. Summary of the invention

[0006] In view of the deficiencies in the prior art, the present invention provides a gear-type pneumatic motor actuator to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned object, the present invention provides the following technical solutions: a gear-type pneumatic motor actuator, comprising a supporting mechanism and a driving mechanism, the supporting mechanism comprising a shell, the top outer wall of the shell is fixedly connected to an air chamber, the top of the air chamber is rotatably connected to a hand wheel via a rotating shaft, a first groove is provided on the inner wall of one end of the shell close to the air chamber, a first fixing frame is fixedly connected to the inner wall of the shell on the side away from the first groove, a second groove is provided on the top outer surface of the first fixing frame, and the driving mechanism comprises: The motor actuator assembly is arranged inside the shell, and the top outer surface of the motor actuator assembly is fixedly sleeved with a second connecting frame, and the outer wall of the second connecting frame on the side away from the motor actuator assembly is rotatably connected to a second auxiliary wheel through a rotating shaft, and the outer surface of the second auxiliary wheel is rollingly connected to the inner wall of the second groove, and the outer surface of the motor actuator assembly is rotatably connected to a fan blade through a rotating shaft, and an adjustment frame is arranged on the side of the fan blade away from the motor actuator assembly, and the inner wall of the adjustment frame is rotatably connected to the fan blade through a rotating shaft, and the bottom of the fan blade is rotatably connected to a second auxiliary rod through a rotating shaft, and the end of the second auxiliary rod away from the fan blade is rotatably connected to a sliding wheel through a rotating shaft, when compressed gas is injected into the shell, the fan blade is used to contact with the compressed gas, thereby driving the motor actuator assembly to rotate, and the second connecting frame is used to improve the stability of the motor actuator assembly during operation.

[0008] According to the above technical solution, a second fixing frame is fixedly connected to an inner wall of a side of the shell away from the first fixing frame, a third groove is provided on the top outer surface of the second fixing frame, a third connecting frame is fixedly sleeved on the outer surface of one end of the motor actuator away from the second connecting frame, a third auxiliary wheel is rotatably connected to the bottom of the third connecting frame via a rotating shaft, the third auxiliary wheel is rotatably connected to the inner wall of the third groove, so that the third connecting frame can slide on the top outer surface of the second fixing frame, and the third connecting frame is used to support the motor actuator when in contact with the second fixing frame.

[0009] According to the above technical solution, the bottom of the motor actuator is fixedly connected to a third fixed frame via a rotating shaft, and the outer wall of the third fixed frame at one end away from the motor actuator is fixedly connected to an inner ring gear. The third fixed frame is used to transmit the rotation direction and rotation amplitude of the motor actuator to the inner ring gear, so that the inner ring gear can start to rotate.

[0010] According to the above technical solution, the auxiliary component includes a support frame fixedly sleeved on the outer surface of the bottom of the motor actuator component, the outer surface of the support frame is fixedly connected to a fixing rod, the inner wall of the fixing rod on the side away from the support frame is rotatably connected to a roller via a rotating shaft, the inner wall of the fixing rod is fixedly connected to a fixed shaft, and the roller is connected to the inner wall of the outer shell through a rolling connection, and then the roller is used to enhance the stability of the support frame during the rotation of the motor actuator component.

[0011] The cam is provided with a first end fixedly mounted on the support frame, and the second end is provided with a second end fixedly mounted on the support frame.

[0012] According to the above technical solution, the outer surface of the air chamber is fixedly connected to the first air pipe, the outer surface of one end of the air chamber away from the first air pipe is fixedly connected to the second air pipe, an adjusting mechanism is arranged inside the air chamber, a first through hole is opened on the outer surface of the top inner wall of the outer shell, the inner wall of the air chamber is fixedly connected to the first baffle, the number of the first through holes is two, the two first through holes are symmetrically arranged with the central axis of the first baffle as the center, the first through holes are respectively adjacent to the first air pipe and the second air pipe, the first through holes are used to ensure the flow of compressed gas inside the outer shell, when the first through hole located on one side injects the compressed gas into the inner shell, the motor actuator starts to work, and then the gas is discharged from the first through hole on the other side.

[0013] According to the above technical solution, the adjustment mechanism includes a rotating frame rotatably connected to the top of the outer shell, a force-bearing plate is fixedly connected to the outer surface of the rotating frame on the side close to the air chamber, a second baffle is fixedly connected to the outer wall of the rotating frame on the side close to the force-bearing plate, a first spring is fixedly connected to the outer surface of the force-bearing plate away from the rotating frame, and one end of the first spring away from the force-bearing plate is fixedly connected to the first baffle. When the force-bearing plate causes the rotating frame to rotate due to the action of air pressure, the first spring is used to restore the rotating frame to its original position with the help of the force-bearing plate.

[0014] According to the above technical solution, a first connecting frame is fixedly connected to an outer surface of a side of the rotating frame away from the air chamber, an inclined plate is fixedly connected to an inner wall of the first connecting frame, and a first auxiliary wheel is rotatably connected to an outer surface of a side of the first connecting frame away from the rotating frame via a rotating shaft. The first auxiliary wheel is used to rotate on the inner wall of the first groove, and it is fixedly connected to the first connecting frame, and the first connecting frame is connected to the rotating frame, thereby enhancing the stability of the rotating frame during the rotation process when it is squeezed by compressed gas.

[0015] Compared with the prior art, the present invention provides a gear-type pneumatic motor actuator, which has the following beneficial effects: 1. The present invention sets up a gear-type pneumatic motor actuator. During the operation of the gear-type pneumatic motor actuator, the air source pressure may fluctuate. When the air pressure is too low, the low air pressure is not enough to push the force-bearing plate, and the rotating frame cannot rotate. As gas is continuously injected into the air chamber, the air pressure increases. When it reaches a certain level, the air pressure can push the force-bearing plate, and then the motor actuator starts to work. When the air pressure is too high, the auxiliary component will decelerate the motor actuator. Through this deceleration mechanism, the motor actuator can be prevented from being subjected to excessive load, thereby preventing aggravated wear and ultimately increasing the service life of the motor actuator.

[0016] 2. The present invention sets an adjustment mechanism. When gas is injected into the air chamber from one side, it will push the force-bearing plate. After the force is applied to the force-bearing plate, the rotating frame will be deflected. Then, the gas enters the shell from the first through hole close to the gas injection side, and blows the fan blades through the inclined plate to rotate the motor actuator. The gas after rotation is discharged from the first through hole on the other side. During this process, the air chamber can continuously increase the pressure on the gas injection side, so as to avoid insufficient output torque when the motor actuator rotates due to too low gas pressure.

[0017] 3. The present invention sets a driving mechanism. When the motor actuator rotates rapidly, the sliding block slides toward one side of the shell under the action of centrifugal force. During the sliding of the sliding block, the fan blades slide on the inner wall of the third through hole through the sliding wheel connected to the outer wall of the second auxiliary rod through the rotation axis. Due to the inclination angle of the first auxiliary rod, when the sliding block slides toward the shell, the angle of the fan blades changes with the sliding of the sliding block, which reduces the contact area between the fan blades and the airflow, thereby reducing the rotation speed of the motor actuator, thereby preventing the problem of aggravated wear caused by excessive rotation speed of the motor actuator.

[0018] 4. The present invention sets an auxiliary component. When excessively high-pressure gas is injected into the interior of the shell, the excessive air pressure will cause the motor actuator to rotate rapidly through the fan blades. When the motor actuator rotates rapidly, the sliding block slides to one side of the shell due to centrifugal force, and the buffer rod fixedly connected to the top of the sliding block will contact the inner wall of the shell. As the motor actuator continues to rotate rapidly, the contact surface between the buffer rod and the shell will deform, which increases the friction area between the buffer rod and the inner wall of the shell, thereby controlling the rotation rate of the motor actuator, thereby avoiding excessive load on the motor actuator, preventing increased wear, and thereby increasing the service life of the motor actuator. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall front structure of the present invention; Figure 2 It is a schematic diagram of the overall front cross-sectional structure of the present invention; Figure 3 It is a schematic cross-sectional structural diagram of the support mechanism of the present invention; Figure 4 It is a schematic diagram of the structure of the regulating mechanism of the present invention; Figure 5 It is a schematic diagram of the driving mechanism structure of the present invention; Figure 6 It is a schematic diagram of the motor actuator and fan blade structure of the present invention; Figure 7 It is a schematic diagram of the auxiliary component structure of the present invention; Figure 8 It is a schematic diagram of the structure of the sliding block of the present invention; Fig. 9 For the present invention Figure 2 Schematic diagram of the enlarged structure of A.

[0020] In the figure: 1. Support mechanism; 101. Shell; 102. Air chamber; 103. First air pipe; 104. Second air pipe; 105. Hand wheel; 106. First baffle; 107. First through hole; 108. First groove; 109. First fixing frame; 110. Second groove; 111. Second fixing frame; 112. Third groove; 2. Adjustment mechanism; 201. Rotating frame; 202. Second baffle; 203. Force plate; 204. First spring; 205. First connecting frame; 206. First auxiliary wheel; 207. Tilt plate; 3. Driving mechanism; 301. Motor actuator; 302. Second connecting frame ; 303, second auxiliary wheel; 304, third connecting frame; 305, third auxiliary wheel; 306, fan blade; 307, third fixed frame; 308, inner ring gear; 309, auxiliary component; 3091, support frame; 3092, fixed rod; 3093, roller; 3094, fixed shaft; 3095, sliding block; 3096, second spring; 3097, first rotating rod; 3098, second rotating rod; 3099, buffer rod; 30910, second through hole; 30911, first auxiliary rod; 30912, third through hole; 310, second auxiliary rod; 311, sliding wheel; 312, adjustment frame. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0022] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0023] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] Example 1: See Figure 1-Figure 3 The present invention provides a technical solution: a gear-type pneumatic motor actuator, including a support mechanism 1 and a driving mechanism 3, the support mechanism 1 includes a shell 101, the top outer wall of the shell 101 is fixedly connected with an air chamber 102, the top of the air chamber 102 is rotatably connected with a hand wheel 105 through a rotating shaft, the inner wall of the shell 101 at one end close to the air chamber 102 is provided with a first groove 108, the inner wall of the shell 101 at one side away from the first groove 108 is fixedly connected with a first fixing frame 109, and the top outer surface of the first fixing frame 109 is provided with a second groove 110, the driving mechanism 3 includes: The motor actuator component 301 is arranged inside the housing 101. The top outer surface of the motor actuator component 301 is fixedly sleeved with a second connecting frame 302. The outer wall of the second connecting frame 302 on the side away from the motor actuator component 301 is rotatably connected to a second auxiliary wheel 303 through a rotating shaft. The outer surface of the second auxiliary wheel 303 is rollingly connected to the inner wall of the second groove 110. The outer surface of the motor actuator component 301 is rotatably connected to a fan blade 306 through a rotating shaft. An adjustment frame 312 is arranged on the side of the fan blade 306 away from the motor actuator component 301. The adjustment frame 312 can make the fan blade 306 connected thereto have a consistent inclination angle. The inner wall of the adjustment frame 312 is rotatably connected to the fan blade 306 through a rotating shaft. The bottom of the fan blade 306 is rotatably connected to a second auxiliary rod 310 through a rotating shaft. The second auxiliary rod 310 The end away from the fan blade 306 is rotatably connected to the sliding wheel 311 through a rotating shaft. When compressed gas is injected into the shell 101, the fan blade 306 is used to contact the compressed gas, thereby driving the motor actuator 301 to rotate, and the second connecting frame 302 is used to improve the stability of the motor actuator 301 during operation. When the high-pressure gas flows to the fan blade 306 through the air chamber 102, the fan blade 306 starts to rotate under the blowing of the high-pressure gas and drives the motor actuator 301 to rotate accordingly. At the same time, the second connecting frame 302 fixed to the outer wall of the top of the motor actuator 301, and the second auxiliary wheel 303 connected to the bottom of the second connecting frame 302 by a rotating shaft roll on the inner wall of the second groove 110, so that the second connecting frame 302 and the first fixed frame 109 form a sliding connection, thereby improving the stability of the motor actuator 301 during rotation.

[0025] The outer surface of the air chamber 102 is fixedly connected to the first air pipe 103, and the outer surface of one end of the air chamber 102 away from the first air pipe 103 is fixedly connected to the second air pipe 104. The interior of the air chamber 102 is provided with an adjustment mechanism 2. The outer surface of the top inner wall of the shell 101 is provided with a first through hole 107. The inner wall of the air chamber 102 is fixedly connected to a first baffle 106. There are two first through holes 107. The two first through holes 107 are symmetrically arranged around the central axis of the first baffle 106. The first through holes 107 are respectively adjacent to the first air pipe 103 and the second air pipe 104. The first through holes 107 are used to ensure the flow of compressed gas inside the shell 101. When the first through hole 107 located on one side injects the compressed gas into the shell 101, the motor actuator 301 starts to work. Then, the gas is discharged from the first through hole 107 on the other side. When the first air pipe 103 injects high-pressure gas into the air chamber 102, the high-pressure gas pushes the rotating frame 201 close to the force-bearing plate 203 on one side of the first air pipe 103. The force-bearing plate 203 deflects the rotating frame 201 under the action of the high-pressure gas. During this process, the squeezed force-bearing plate 203 will squeeze the first spring 204. Subsequently, the high-pressure gas is injected into the shell 101 through the first through hole 107, and then the fan blades 306 are blown to rotate the motor actuator 301. After this part of the high-pressure gas completes the driving rotation, it will be discharged to the second air pipe 104 from the first through hole 107 on the other side. When the second air pipe 104 injects high-pressure gas into the air chamber 102, the motor actuator 301 will rotate in the opposite direction.

[0026] Example 2: Please refer to Figure 4 On the basis of the first embodiment, the present invention provides a technical solution: the adjustment mechanism 2 includes a rotating frame 201 rotatably connected to the top of the housing 101, a force-bearing plate 203 is fixedly connected to the outer surface of the rotating frame 201 on one side close to the air chamber 102, a second baffle 202 is fixedly connected to the outer wall of the rotating frame 201 on one side close to the force-bearing plate 203, a first spring 204 is fixedly connected to the outer surface of the force-bearing plate 203 away from the rotating frame 201, and one end of the first spring 204 away from the force-bearing plate 203 is fixedly connected to the first baffle 106, when the force-bearing plate 20 After the rotating frame 201 rotates due to the gas pressure, the first spring 204 is used to restore the rotating frame 201 to its original position with the help of the force plate 203. When the high-pressure gas is injected into the air chamber 102 on one side, the rotating frame 201 on the corresponding side is pushed to make the rotating frame 201 start to rotate. During the rotation of the rotating frame 201, the force plate 203 close to the gas injection side will squeeze the first spring 204. When the high-pressure gas is injected, the first spring 204 returns to its original position through the force plate 203.

[0027] A first connecting frame 205 is fixedly connected to the outer surface of the rotating frame 201 on one side away from the air chamber 102, and an inclined plate 207 is fixedly connected to the inner wall of the first connecting frame 205. The inclined plate 207 allows the high-pressure gas inside the air chamber 102 to be blown toward the fan blades 306 in a more concentrated manner. A first auxiliary wheel 206 is rotatably connected to the outer surface of the first connecting frame 205 on one side away from the rotating frame 201 through a rotating shaft. The first auxiliary wheel 206 is used to rotate on the inner wall of the first groove 108. It is fixedly connected to the first connecting frame 205, and the first connecting frame 205 is connected to the rotating frame 201, so as to enhance the stability of the rotating frame 201 during the rotation process when it is squeezed by compressed gas. The first connecting frame 205 is fixedly sleeved on the outer surface of the bottom of the rotating frame 201, and the first auxiliary wheel 206 inside the first connecting frame 205 is rotatably connected in the first groove 108, so that the rotating frame 201 fixedly connected to the first connecting frame 205 can remain stable during rotation.

[0028] Example 3: Please refer to Figure 5-Figure 9 On the basis of the first and second embodiments, the present invention provides a technical solution: the inner wall of the housing 101 on one side away from the first fixing frame 109 is fixedly connected with the second fixing frame 111, the top outer surface of the second fixing frame 111 is provided with a third groove 112, the outer surface of the end of the motor actuator 301 away from the second connecting frame 302 is fixedly sleeved with the third connecting frame 304, the bottom of the third connecting frame 304 is rotatably connected with a third auxiliary wheel 305 through a rotating shaft, and the third auxiliary wheel 305 is rotatably connected to the inner wall of the third groove 112, so that the third connecting frame 304 can slide on the top outer surface of the second fixing frame 111 The third connecting frame 304 is used to support the motor actuator 301 when it contacts the second fixing frame 111. The top outer surface of the motor actuator 301 is fixedly sleeved with the second connecting frame 302. The second connecting frame 302 is slidably connected to the first fixing frame 109, and the second connecting frame 302 is rotatably connected to the second auxiliary wheel 303 through a rotating shaft. The second auxiliary wheel 303 can roll inside the second groove 110. When the high-pressure gas blows the fan blades 306 to drive the motor actuator 301 to rotate, the second connecting frame 302 can make the motor actuator 301 rotate more stably during operation.

[0029] The bottom of the motor actuator component 301 is fixedly connected to a third fixing frame 307 via a rotating shaft, and an inner ring gear 308 is fixedly connected to the outer wall of the end of the third fixing frame 307 away from the motor actuator component 301. The third fixing frame 307 is used to transmit the rotation direction and rotation amplitude of the motor actuator component 301 to the inner ring gear 308, so that the inner ring gear 308 can start to rotate. When the motor actuator component 301 starts to rotate, due to the connection effect of the third fixing frame 307, the motor actuator component 301 will drive the inner ring gear 308 to rotate accordingly. The third fixing frame 307 transmits the rotational power of the motor actuator component 301 to the inner ring gear 308, so that the inner ring gear 308 can rotate smoothly, thereby ensuring that the rotation direction and rotation amplitude of the inner ring gear 308 are completely consistent with the motor actuator component 301.

[0030] The auxiliary component 309 includes a support frame 3091 fixedly sleeved with the outer surface of the bottom of the motor actuator 301, a fixed rod 3092 is fixedly connected to the outer surface of the support frame 3091, and a roller 3093 is rotatably connected to the inner wall of the fixed rod 3092 away from the support frame 3091 through a rotating shaft, and a fixed shaft 3094 is fixedly connected to the inner wall of the fixed rod 3092. The roller 3093 is connected to the inner wall of the housing 101 through rolling, and then the roller 3093 is used to enhance the support frame 3091 in the motor actuator. The stability of the row component 301 during rotation. When the motor actuator component 301 starts to work and rotates, since its bottom is fixedly connected to the support frame 3091, it will drive the support frame 3091 to rotate together. The inner wall of the support frame 3091 is provided with a rotatably connected roller 3093. During the rotation of the support frame 3091, the roller 3093 will contact the inner wall of the shell 101, thereby providing a stable supporting force for the support frame 3091 during rotation, thereby ensuring the stable operation of the support frame 3091.

[0031] The outer surface of the fixed shaft 3094 is slidably connected to a sliding block 3095, the outer wall of the sliding block 3095 on one side close to the second auxiliary rod 310 is fixedly connected to the first auxiliary rod 30911, the outer surface of the first auxiliary rod 30911 is provided with a third through hole 30912, the top outer wall of the sliding block 3095 is fixedly connected to a buffer rod 3099, the inner wall of the buffer rod 3099 is provided with a second through hole 30910, the outer wall of the sliding block 3095 on one side away from the buffer rod 3099 is fixedly connected to a second spring 3096, the end of the second spring 3096 away from the sliding block 3095 is fixedly connected to the support frame 3091, and the sliding block 3095 is fixedly connected to the support frame 3091. The outer surface is rotatably connected to a first rotating rod 3097 via a rotating shaft, and one end of the first rotating rod 3097 away from the sliding block 3095 is rotatably connected to a second rotating rod 3098 via a rotating shaft, and one end of the second rotating rod 3098 away from the first rotating rod 3097 is fixedly connected to the support frame 3091. The sliding block 3095 slides toward one side of the housing 101 when the motor actuator 301 is working, and the buffer rod 3099 fixedly connected to the top of the sliding block 3095 is used for contacting and rubbing with the inner wall of the housing 101, thereby preventing the motor actuator 301 from rotating excessively. When excessively high-pressure gas is injected into the housing 101, the excessively high gas pressure will The fan blades 306 are used to make the motor actuator 301 rotate rapidly. During this process, due to the rapid rotation of the motor actuator 301, the sliding block 3095 slides toward the side of the housing 101 under the action of centrifugal force. At the same time, the buffer rod 3099 fixedly connected to the top of the sliding block 3095 will contact the inner wall of the housing 101. As the motor actuator 301 continues to rotate rapidly, the contact surface between the buffer rod 3099 and the housing 101 will deform. This deformation increases the friction area between the buffer rod 3099 and the inner wall of the housing 101. The increase in the friction area can control the rotation rate of the motor actuator 301, thereby avoiding The motor actuator 301 is overloaded. During the sliding of the sliding block 3095, the fan blade 306 slides on the inner wall of the third through hole 30912 through the sliding wheel 311 connected to the outer wall of the second auxiliary rod 310 by rotation. Because the first auxiliary rod 30911 has an inclination angle, when the sliding block 3095 slides toward the housing 101, the fan blade 306 will deflect at an angle as the sliding of the sliding block 3095, thereby reducing the direct contact area between the fan blade 306 and the airflow, thereby reducing the rotation speed of the motor actuator 301. This can prevent the problem of aggravated wear due to excessive load, thereby increasing the service life of the motor actuator 301.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0033] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A gear-type pneumatic motor actuator, comprising a support mechanism (1) and a drive mechanism (3), wherein the support mechanism (1) comprises a housing (101), the top outer wall of the housing (101) is fixedly connected to an air chamber (102), the top of the air chamber (102) is rotatably connected to a hand wheel (105) via a rotating shaft, a first groove (108) is provided on the inner wall of one end of the housing (101) close to the air chamber (102), a first fixing frame (109) is fixedly connected to the inner wall of the side of the housing (101) away from the first groove (108), a second groove (110) is provided on the top outer surface of the first fixing frame (109), and the actuator is characterized in that: The driving mechanism (3) comprises: A motor actuator component (301), the motor actuator component (301) being arranged inside the housing (101), a second connecting frame (302) being fixedly sleeved on the top outer surface of the motor actuator component (301), a second auxiliary wheel (303) being rotatably connected to an outer wall of the second connecting frame (302) on a side away from the motor actuator component (301) via a rotating shaft, an outer surface of the second auxiliary wheel (303) being rollingly connected to an inner wall of a second groove (110), an outer surface of the motor actuator component (301) being rotatably connected to a fan blade (306) via a rotating shaft, the fan blade (306) being away from the motor actuator component (3 An adjustment frame (312) is provided on one side of the housing (101), the inner wall of the adjustment frame (312) is rotatably connected to the fan blade (306) via a rotating shaft, the bottom of the fan blade (306) is rotatably connected to a second auxiliary rod (310) via a rotating shaft, and one end of the second auxiliary rod (310) away from the fan blade (306) is rotatably connected to a sliding wheel (311) via a rotating shaft. When compressed gas is injected into the housing (101), the fan blade (306) is used to contact the compressed gas, thereby driving the motor actuator (301) to rotate, and the second connection frame (302) is used to improve the stability of the motor actuator (301) during operation.

2. A gear-type pneumatic motor actuator according to claim 1, characterized in that: A second fixing frame (111) is fixedly connected to an inner wall of a side of the housing (101) away from the first fixing frame (109); a third groove (112) is provided on the top outer surface of the second fixing frame (111); a third connecting frame (304) is fixedly sleeved on the outer surface of one end of the motor actuator (301) away from the second connecting frame (302); a third auxiliary wheel (305) is rotatably connected to the bottom of the third connecting frame (304) via a rotating shaft; the third auxiliary wheel (305) is rotatably connected to the inner wall of the third groove (112), so that the third connecting frame (304) can slide on the top outer surface of the second fixing frame (111); and the third connecting frame (304) is used to support the motor actuator (301) when in contact with the second fixing frame (111).

3. The gear-type pneumatic motor actuator according to claim 1, characterized in that: The bottom of the motor actuator component (301) is fixedly connected to a third fixing frame (307) via a rotating shaft, and an outer wall of one end of the third fixing frame (307) away from the motor actuator component (301) is fixedly connected to an inner gear ring (308). The third fixing frame (307) is used to transmit the rotation direction and rotation amplitude of the motor actuator component (301) to the inner gear ring (308), so that the inner gear ring (308) can start to rotate.

4. A gear-type pneumatic motor actuator according to claim 3, characterized in that: The auxiliary component (309) comprises a support frame (3091) fixedly sleeved on the outer surface of the bottom of the motor actuator component (301); the outer surface of the support frame (3091) is fixedly connected to a fixing rod (3092); the inner wall of the fixing rod (3092) away from the support frame (3091) is rotatably connected to a roller (3093) via a rotating shaft; the inner wall of the fixing rod (3092) is fixedly connected to a fixing shaft (3094); the roller (3093) is connected to the inner wall of the housing (101) by rolling, and is used to enhance the stability of the support frame (3091) during the rotation of the motor actuator component (301) through the roller (3093).

5. A gear-type pneumatic motor actuator according to claim 4, characterized in that: The outer surface of the fixed shaft (3094) is slidably connected to a sliding block (3095); an outer wall of the sliding block (3095) on one side close to the second auxiliary rod (310) is fixedly connected to a first auxiliary rod (30911); a third through hole (30912) is provided on the outer surface of the first auxiliary rod (30911); a buffer rod (3099) is fixedly connected to the top outer wall of the sliding block (3095); a second through hole (30910) is provided on the inner wall of the buffer rod (3099); a second spring (3096) is fixedly connected to the outer wall of the sliding block (3095) on one side away from the buffer rod (3099); an end of the second spring (3096) away from the sliding block (3095) is connected to the support frame ( The outer surface of the sliding block (3095) is rotatably connected to a first rotating rod (3097) via a rotating shaft, one end of the first rotating rod (3097) away from the sliding block (3095) is rotatably connected to a second rotating rod (3098) via a rotating shaft, and one end of the second rotating rod (3098) away from the first rotating rod (3097) is fixedly connected to the support frame (3091), and the sliding block (3095) slides toward one side of the housing (101) when the motor actuator (301) is working, and a buffer rod (3099) fixedly connected to the top of the sliding block (3095) is used to contact and rub against the inner wall of the housing (101), thereby preventing the motor actuator (301) from rotating excessively.

6. The gear-type pneumatic motor actuator according to claim 1, characterized in that: The outer surface of the air chamber (102) is fixedly connected to a first air pipe (103); the outer surface of one end of the air chamber (102) away from the first air pipe (103) is fixedly connected to a second air pipe (104); an adjusting mechanism (2) is arranged inside the air chamber (102); a first through hole (107) is provided on the outer surface of the top inner wall of the housing (101); the inner wall of the air chamber (102) is fixedly connected to a first baffle (106); the number of the first through holes (107) is two, and the two through holes (107) are arranged at a fixed position. The first through holes (107) are symmetrically arranged with the central axis of the first baffle (106) as the center. The first through holes (107) are respectively adjacent to the first air pipe (103) and the second air pipe (104). The first through holes (107) are used to ensure the flow of compressed gas inside the housing (101). When the first through hole (107) on one side injects compressed gas into the housing (101), the motor actuator (301) starts to work, and then the gas is discharged from the first through hole (107) on the other side.

7. A gear-type pneumatic motor actuator according to claim 6, characterized in that: The regulating mechanism (2) comprises a rotating frame (201) rotatably connected to the top of the housing (101); a force-bearing plate (203) is fixedly connected to an outer surface of a side of the rotating frame (201) close to the air chamber (102); a second baffle (202) is fixedly connected to an outer wall of a side of the rotating frame (201) close to the force-bearing plate (203); a first spring (204) is fixedly connected to an outer surface of a side of the force-bearing plate (203) away from the rotating frame (201); an end of the first spring (204) away from the force-bearing plate (203) is fixedly connected to the first baffle (106); when the force-bearing plate (203) causes the rotating frame (201) to rotate due to air pressure, the first spring (204) is used to restore the rotating frame (201) to its original position with the help of the force-bearing plate (203).

8. The gear-type pneumatic motor actuator according to claim 7, characterized in that: A first connecting frame (205) is fixedly connected to an outer surface of a side of the rotating frame (201) away from the air chamber (102); an inclined plate (207) is fixedly connected to an inner wall of the first connecting frame (205); a first auxiliary wheel (206) is rotatably connected to an outer surface of a side of the first connecting frame (205) away from the rotating frame (201) via a rotating shaft; the first auxiliary wheel (206) is used to rotate on the inner wall of the first groove (108); the first auxiliary wheel (206) is fixedly connected to the first connecting frame (205), and the first connecting frame (205) is connected to the rotating frame (201), so as to enhance the stability of the rotating frame (201) during the rotation process when it is squeezed by compressed gas.

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