Manual-automatic integrated high-frequency actuator

Abstract

The utility model relates to the technical field of actuators, in particular to a manual and automatic integrated high-frequency actuator which comprises an actuator cylinder body assembly and a hand wheel driving assembly. The actuator cylinder body assembly comprises a cylinder barrel, the two ends of the cylinder barrel are sealed through a first end cover and a second end cover respectively to form an installation cavity, a piston is arranged in the installation cavity, and a first piston rod and a second piston rod are arranged on the two sides of the piston respectively. The first piston rod can penetrate through the first end cover through hole to extend outwards and is connected with the hand wheel driving assembly. The second piston rod can penetrate through the second end cover through hole to extend outwards; a piston rod holding assembly is arranged between the first side face of the piston and the inner wall of the first end cover, and a spring is arranged on the piston rod holding assembly in a sleeving mode. The actuator is simple in structure, the piston rod can be effectively protected, a traditional pneumatic actuator can have the manual driving function, the control modes of the actuator can be effectively enriched, and safety control over the actuator under the emergency condition is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to actuator technical field especially relates to a hand self -consisting high frequency actuator. BACKGROUND

[0002] High frequency pneumatic actuator is a kind of pneumatic actuator that can work at high frequency, it uses compressed air as power source, and drives the opening and closing of valve through the reciprocating motion of cylinder piston.When control signal arrives, air control valve opens or closes, makes compressed air enter or discharge the cylinder of pneumatic actuator, thereby propelling piston movement, and further passes through connecting rod and other transmission mechanism to transmit motion to valve stem of valve, realizes the opening and closing or regulation of valve.It has fast response capability, can complete frequent action control in short time, meets the demand of high frequency operation.It is widely used in manufacturing industry, industrial automation equipment, chemical and petroleum industry.

[0003] In the existing high frequency pneumatic actuator, in order to realize the rapid closing of valve in emergency, a spring is usually sleeved outside the piston rod, the piston rod drives the piston to compress the spring when the valve is in the open state;When the valve needs to be closed quickly, the resistance of the piston rod is directly eliminated, the piston is directly driven to move quickly under the action of spring restoring force, and then the rapid closing of the valve is realized.

[0004] Because the traditional way is to directly sleeve the spring outside the piston rod, deformation of the piston rod is easily caused in long-term use, and then the sealing property between the piston side and the actuator cylinder body is affected, air leakage on both sides of the piston is easily caused, further affecting the effect of pneumatic driving, causing the precision of high frequency actuator control valve opening or closing to be out of adjustment, and safety accidents are easily caused.

[0005] In addition, if pneumatic device fails, or in the case of power failure, it is difficult to realize the opening and closing control of valve connected with actuator through pneumatic, and then safety hazards are caused.

[0006] Therefore, a new technical scheme is needed to solve the above technical problems. UTILITY MODEL CONTENT

[0007] The utility model aims at overcoming the problems of prior art, provides a hand self -consisting high frequency actuator, to solve the technical problems that spring is directly sleeved outside the piston rod in prior art, deformation of the piston rod is easily caused in long-term use, and then the sealing property between the piston side and the actuator cylinder body is affected, air leakage is easily caused;And if pneumatic device fails, or in the case of power failure, it is difficult to realize the opening and closing control of valve connected with actuator through pneumatic, and then safety hazards are caused.

[0008] The above purpose is realized by the following technical scheme:

[0009] A hand-wheel automatic high-frequency actuator, comprising an actuator cylinder assembly and a hand-wheel driving assembly; the actuator cylinder assembly comprises a cylinder barrel, both ends of the cylinder barrel are sealed to form an installation cavity through a first end cover and a second end cover, and a first inlet and outlet hole and a second inlet and outlet hole are arranged on the first end cover and the second end cover respectively; a piston is arranged in the installation cavity, a first piston rod is arranged on a first side of the piston, and a second piston rod is arranged on a second side of the piston; the first piston rod can extend outward through a first end cover through hole arranged at the center of the first end cover and is connected with the hand-wheel driving assembly; the second piston rod can extend outward through a second end cover through hole arranged at the center of the second end cover; a piston rod retaining assembly is arranged between the first side of the piston and the inner wall of the first end cover, and a spring is sleeved on the piston rod retaining assembly.

[0010] Further, the piston rod retaining assembly comprises a first guide sleeve arranged on the inner wall of the first end cover and a second guide sleeve arranged on the first side of the piston, a guide connecting barrel is movably arranged between the first guide sleeve and the second guide sleeve, and the first piston rod is sleeved and limited by the first guide sleeve, the guide connecting barrel and the second guide sleeve; the outer side of the first guide sleeve, the guide connecting barrel and the second guide sleeve is sleeved with the spring.

[0011] Further, a first guide sleeve through hole is arranged at the center of the first guide sleeve and can be penetrated by the guide connecting barrel, and a second guide sleeve through hole is arranged at the center of the second guide sleeve and can be penetrated by the guide connecting barrel; the first end of the guide connecting barrel extends into the first guide sleeve and is sleeved with a first limiting ring; the second end of the guide connecting barrel extends into the second guide sleeve and is sleeved with a second limiting ring.

[0012] Further, the first guide sleeve is a T-shaped guide sleeve arranged at the center of the inner wall of the first end cover and comprises a first guide sleeve sleeve body and a first guide sleeve spring stop ring connected with each other; the second guide sleeve is a T-shaped guide sleeve arranged at the center of the first side of the piston and comprises a second guide sleeve sleeve body and a second guide sleeve spring stop ring connected with each other; one end of the spring abuts against the first guide sleeve spring stop ring, and the other end of the spring abuts against the second guide sleeve spring stop ring.

[0013] Further, a first guide sleeve embedding groove is arranged on the inner wall of the first end cover and can partially embed the first guide sleeve, and a second guide sleeve embedding groove is arranged on the first side of the piston and can partially embed the second guide sleeve.

[0014] Further, the hand wheel driving assembly comprises a support connected with the outer wall of the first end cover, a hand wheel support is arranged on the support, a hand wheel shell seat with a gear installation cavity is arranged on the hand wheel support, a lead screw sleeve with a lead screw telescopic cavity is arranged on the top of the hand wheel shell seat, a large bevel gear is movably arranged in the gear installation cavity, a lead screw engaging sleeve is sleeved on the inner ring of the large bevel gear, a lead screw is arranged in the lead screw engaging sleeve, and a thread engaging sleeve thread is arranged on the inner wall of the lead screw engaging sleeve and can engage with the outer thread wall of the lead screw; one end of the lead screw is movably connected with the first piston rod extending into the support through a lead screw through hole arranged on the hand wheel support, and the other end of the lead screw extends into the lead screw telescopic cavity; a small bevel gear movable cavity in communication with the gear installation cavity is arranged on the side of the hand wheel shell seat, a small bevel gear is movably arranged in the small bevel gear movable cavity and is sealed by a small gear movable cavity cover plate; the small bevel gear can engage with the large bevel gear, a hand wheel rotating shaft is sleeved on the inner ring of the small bevel gear, the other end of the hand wheel rotating shaft extends outward through a rotating shaft through hole arranged on the small gear movable cavity cover plate, and a hand wheel disc is arranged at the end of the hand wheel rotating shaft.

[0015] Further, the end of the first piston rod and the end of the lead screw are connected by a pin shaft.

[0016] Further, the inner wall of the small bevel gear movable cavity is further provided with a bearing embedding groove capable of embedding a rotating shaft bearing, and the inner ring of the rotating shaft bearing is sleeved with the hand wheel rotating shaft.

[0017] Further, the support is T-shaped, comprising a support barrel body for the first piston rod and the lead screw to penetrate, and a support support for fixed connection with the first end cover.

[0018] The hand-automatic high-frequency actuator provided by the utility model realizes the isolation of the spring and the first piston rod through the piston rod retaining assembly, and can effectively guide and limit the protection of the piston rod. Through the hand wheel driving assembly, the movement control of the piston can be realized by manually rotating the hand wheel disc, and the opening and closing control of the valve is realized. The actuator not only has a simple structure and can effectively protect the piston rod, but also enables the traditional pneumatic actuator to have a manual driving function, effectively enriches the control mode of the actuator, and improves the safety control of the actuator in an emergency. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structure schematic view of the hand-automatic high-frequency actuator.

[0020] Figure 2 It is a structure schematic view of the actuator cylinder body assembly and the piston rod retaining assembly in the hand-automatic high-frequency actuator.

[0021] Figure 3 The utility model discloses a hand wheel drive assembly structure diagram of hand -self -actuated high -frequency actuator.

[0022] Figure mark:

[0023] 1 - actuator cylinder body assembly, 101 - cylinder, 102 - first end cover, 103 - second end cover, 104 - first inlet and outlet air hole, 105 - second inlet and outlet air hole, 106 - piston, 107 - first piston rod, 108 - second piston rod, 109 - first end cover through -hole, 110 - second end cover through -hole, 111 - first guide sleeve nest groove, 112 - second guide sleeve nest groove;

[0024] 2 - piston rod retaining assembly, 201 - first guide sleeve, 202 - second guide sleeve, 203 - guide connection cylinder, 204 - first guide sleeve through -hole, 205 - second guide sleeve through -hole, 206 - first limit baffle ring, 207 - second limit baffle ring, 208 - first guide sleeve sleeve body, 209 - first guide sleeve spring baffle ring, 210 - second guide sleeve sleeve body, 211 - second guide sleeve spring baffle ring;

[0025] 3 - spring;

[0026] 4 - hand wheel drive assembly, 401 - support, 402 - hand wheel support, 403 - gear installation cavity, 404 - hand wheel shell seat, 405 - screw sleeve, 406 - screw telescopic cavity, 407 - big bevel gear, 408 - screw meshing sleeve, 409 - screw rod, 410 - screw rod through -hole, 411 - small bevel gear movable cavity, 412 - small bevel gear, 413 - pinion movable cavity cover plate, 414 - hand wheel rotating shaft, 415 - rotating shaft through -hole, 416 - hand wheel disc, 417 - pin shaft, 418 - bearing nest groove, 419 - rotating shaft bearing, 420 - support cylinder body, 421 - support support. DETAILED DESCRIPTION

[0027] The utility model will be further explained in detail below according to the drawings and examples. The described example is only a part of the utility model example, not all examples. Based on the example in the utility model, all other examples obtained by the ordinary skill in the art without making creative labor belong to the scope of the utility model protection.

[0028] As Figure 1 And Figure 2 The utility model discloses a hand wheel drive assembly structure diagram of hand -self -actuated high -frequency actuator, including actuator cylinder body assembly 1 and hand wheel drive assembly 4.

[0029] The executor cylinder assembly 1 includes a cylinder 101, both ends of the cylinder 101 are sealed to form a mounting cavity through a first end cover 102 and a second end cover 103, and a first inlet and outlet hole 104 and a second inlet and outlet hole 105 are arranged on the first end cover 102 and the second end cover 103 respectively; the first inlet and outlet hole 104 and the second inlet and outlet hole 105 are connected with the gas supply pipeline respectively, and an electromagnetic valve is arranged on the gas supply pipeline to control the gas supply or gas outlet; a piston 106 is arranged in the mounting cavity, a first piston rod 107 is arranged on the first side of the piston 106, and a second piston rod 108 is arranged on the second side of the piston 106; the first piston rod 107 can protrude outward through a first end cover through hole 109 opened at the axial position of the first end cover 102, and is connected with the hand wheel driving assembly 4;

[0030] The second piston rod 108 can protrude outward through a second end cover through hole 110 opened at the axial position of the second end cover 103, and is used to be connected with a valve;

[0031] A piston rod retaining assembly 2 is arranged between the first side of the piston 106 and the inner wall of the first end cover 102, and a spring 3 is sleeved on the piston rod retaining assembly 2, wherein the piston rod retaining assembly 2 is used to guide and limit the operation of the first piston rod 107.

[0032] The hand-automatic integrated high-frequency executor provided by the scheme has two modes of automatic pneumatic control and manual control, specifically:

[0033] I. Pneumatic control mode: by conducting the first inlet and outlet hole 104 and inputting air pressure into the second inlet and outlet hole 105, the piston 106 can drive the first piston rod 107 and the second piston rod 108 to move synchronously and in the same direction, that is, to move in the direction of the first end cover 102, so as to achieve the purpose of opening the valve;

[0034] In this manual control mode, there are two ways to close the valve:

[0035] Method one: by conducting the second inlet and outlet hole 105 and inputting air pressure into the first inlet and outlet hole 104, the piston 106 can drive the first piston rod 107 and the second piston rod 108 to move synchronously and in the same direction, that is, to move in the direction of the second end cover 103, so as to achieve the purpose of closing the valve. Since the pneumatic control in this process is realized by the action of the air pump and the electromagnetic valve, both need electricity, so it is automatic control;

[0036] Method 2: Directly connect the second air inlet / outlet 105. Under the action of the spring return force, directly drive the piston 106 to drive the first piston rod 107 and the second piston rod 108 to move synchronously in the same direction, that is, to move towards the second end cover 103, thereby achieving the purpose of closing the valve.

[0037] II. Manual Control: In the event of a power outage or gas supply failure, manual control is required to adjust the valve. By opening the first air inlet / outlet 104 and the second air inlet / outlet 105, and manually controlling the handwheel drive assembly 4 to rotate clockwise, the first piston rod 107 can drive the piston 106 and the second piston rod 108 to move synchronously and in the same direction, i.e., towards the first end cover 102, thereby achieving the purpose of opening the valve;

[0038] In this manual control mode, there are two ways to close the valve:

[0039] Method 1: By connecting the first air inlet / outlet 104 and the second air inlet / outlet 105, and manually controlling the handwheel drive assembly 4 to rotate counterclockwise, the first piston rod 107 can drive the piston 106 and the second piston rod 108 to move synchronously in the same direction, that is, towards the second end cover 103, thereby achieving the purpose of opening the valve.

[0040] Method 2: Directly disconnect the connection between the handwheel drive assembly 4 and the first piston rod 107. Under the action of the spring return force, the piston is directly driven to drive the first piston rod 107 and the second piston rod 108 to move synchronously in the same direction, that is, to move towards the second end cover 103, thereby achieving the purpose of closing the valve.

[0041] like Figure 2 As shown, in this embodiment, the piston rod holding assembly 2 includes a first guide sleeve 201 disposed on the inner wall of the first end cap 102 and a second guide sleeve 202 disposed on the first side of the piston 106. A guide connecting cylinder 203 is movably disposed between the first guide sleeve 201 and the second guide sleeve 202. The first piston rod 107 is sleeved and limited by the first guide sleeve 201, the guide connecting cylinder 203 and the second guide sleeve 202.

[0042] The spring 3 is sleeved on the outer side of the first guide sleeve 201, the guide connecting cylinder 203 and the second guide sleeve 202.

[0043] Specifically, the first guide sleeve 201 has a first guide sleeve through hole 204 at its axial position, through which the guide connecting cylinder 203 can pass; the second guide sleeve 202 has a second guide sleeve through hole 205 at its axial position, through which the guide connecting cylinder 203 can pass.

[0044] The first end of the guide connecting cylinder 203 extends into the first guide sleeve 201 and is sleeved with a first limiting stop ring 206.

[0045] The second end of the guide connecting cylinder 203 extends into the second guide sleeve 202 and is sleeved with a second limiting stop ring 207.

[0046] It should be noted that the outer diameter of the first limiting stop ring 206 is greater than the inner diameter of the first guide sleeve through hole 204, and the outer diameter of the second limiting stop ring 207 is greater than the inner diameter of the second guide sleeve through hole 205. Under this constraint, through the joint action of the first limiting stop ring 206 and the second limiting stop ring 207, it can be ensured that the two ends of the guide connecting cylinder 203 will not be separated from the first guide sleeve 201 and the second guide sleeve 202, thereby better limiting and protecting the first piston rod 107.

[0047] During the movement of the piston, the guide connecting cylinder 203 can effectively guide and limit the movement of the second guide sleeve 202, so that it is always coaxial with the first guide sleeve 201.

[0048] In this embodiment, the first guide sleeve 201 is a T-shaped guide sleeve, which is arranged at the axial position of the inner wall of the first end cover 102 and includes a first guide sleeve sleeve body 208 and a first guide sleeve spring stop ring 209 connected with each other.

[0049] The second guide sleeve 202 is a T-shaped guide sleeve, which is arranged at the axial position of the first side surface of the piston 106 and includes a second guide sleeve sleeve body 210 and a second guide sleeve spring stop ring 211 connected with each other.

[0050] One end of the spring 3 abuts against the first guide sleeve spring stop ring 209, and the other end abuts against the second guide sleeve spring stop ring 211.

[0051] It should be noted that the length of the spring 3 in this embodiment is not less than the maximum distance between the first guide sleeve spring stop ring 209 and the second guide sleeve spring stop ring 211; under this constraint, through the structure of the above-mentioned structure, it can be ensured that the first guide sleeve 201 and the second guide sleeve 202 can be firmly connected with the inner wall of the first end cover 102 and the first side surface of the piston 106 under the action of the spring force.

[0052] The inner wall of the first end cap 102 is provided with a first guide sleeve groove 111 that can partially fit the first guide sleeve 201, and the first side of the piston 106 is provided with a second guide sleeve groove 112 that can partially fit the second guide sleeve 202. Under the action of the first guide sleeve groove 111 and the second guide sleeve groove 112, the displacement of the first guide sleeve 201 and the second guide sleeve 202 can be effectively prevented, thereby better guiding and limiting the first piston rod 107.

[0053] like Figure 3 As shown, the handwheel drive assembly 4 in this embodiment includes a bracket 401 connected to the outer wall of the first end cover 102. A handwheel support 402 is provided on the bracket 401, and a handwheel housing 404 with a gear mounting cavity 403 is provided on the handwheel support 402. A lead screw sleeve 405 with a lead screw telescopic cavity 406 is provided on the top of the handwheel housing 404.

[0054] A large bevel gear 407 is movably disposed in the gear mounting cavity 403. A lead screw engagement sleeve 408 is sleeved on the inner ring of the large bevel gear 407. A lead screw 409 is disposed inside the lead screw engagement sleeve 408, and an engagement sleeve thread is provided on the inner wall of the lead screw engagement sleeve 408, which can engage with the external thread wall of the lead screw 409.

[0055] One end of the lead screw 409 passes through the lead screw through hole 410 opened on the handwheel support 402 and is movably connected to the first piston rod 107 that extends into the bracket 401; the other end of the lead screw 409 extends into the lead screw telescopic cavity 406.

[0056] The side of the handwheel housing 404 is also provided with a small bevel gear movable cavity 411 that can communicate with the gear mounting cavity 403. A small bevel gear 412 is movably disposed in the small bevel gear movable cavity 411 and sealed by the small bevel gear movable cavity cover plate 413. The small bevel gear 412 can mesh with the large bevel gear 407. The inner ring of the small bevel gear 412 is sleeved on the handwheel shaft 414. The other end of the handwheel shaft 414 extends outward through the shaft through hole 415 opened on the small bevel gear movable cavity cover plate 413, and a handwheel disc 416 is provided at the end of the handwheel shaft 414.

[0057] The control principle is as follows:

[0058] The manual rotating handle disc 416 drives the small bevel gear 412 connected therewith to rotate, which in turn drives the large bevel gear 407 engaged therewith to rotate; since the large bevel gear 407 rotates in a fixed position, it drives the screw engaging sleeve 408 to rotate, and the screw engaging threads provided on the inner wall of the sleeve drive the screw rod 409 engaged therewith to extend or retract.

[0059] It should be noted that, under the above structure, the movement of the screw rod 409 does not rotate, so as to avoid the rotation of the piston rod connected therewith.

[0060] In the embodiment, when the screw rod 409 extends, it drives the piston rod and the piston connected therewith to move to close the valve.

[0061] When the screw rod 409 retracts, it drives the piston rod and the piston connected therewith to move to open the valve; the preset screw rod extension and retraction cavity 406 is used to protect the extended screw rod 409.

[0062] The extension and retraction of the screw rod 409 are achieved by the clockwise or counterclockwise rotation of the handle disc 416.

[0063] The end of the first piston rod 107 and the end of the screw rod 409 are connected by the pin shaft 417.

[0064] Specifically, if the valve needs to be opened, the end of the screw rod 409 is connected to the end of the first piston rod 107 through the pin shaft 417, so that the screw rod 409 can drive the movement of the first piston rod 107.

[0065] When the valve needs to be quickly closed, the pin shaft 417 can be directly pulled out, and the first inlet and outlet hole 107 and the second inlet and outlet hole 108 are connected, so that the piston 106 directly drives the first piston rod 107 and the second piston rod 108 to move synchronously and in the same direction under the action of the spring restoring force, i.e., moving in the direction of the second end cover, thereby achieving the purpose of closing the valve.

[0066] The operation of the pin shaft can be achieved by opening a through slot in the support cylinder to manually connect the end of the screw rod 409 to the end of the first piston rod 107 through the pin shaft 417, and the alignment between the two can be achieved by manually rotating the handle disc 416 to adjust the position of the end of the screw rod 409.

[0067] The inner wall of the bevel gear movable cavity 411 is also provided with a bearing embedding groove 418 capable of embedding a rotating shaft bearing 419, and the inner ring of the rotating shaft bearing 419 is sleeved with the hand wheel rotating shaft 414. Through the structure, the stable movable support of the rotating shaft bearing 419 can be ensured, and then the stable action of the bevel gear 412 on the large bevel gear 407 and the stable meshing can be ensured.

[0068] The bracket 401 in the embodiment is T-shaped, comprising a bracket cylinder 420 for penetrating the first piston rod 107 and the lead screw 409, and a bracket support 421 for forming fixed connection with the first end cover 102. Through the structure, the bracket cylinder 420, the lead screw through hole 410, the gear mounting cavity 403 and the lead screw telescopic cavity 406 are communicated with each other, and a closed environment for the movement of the lead screw 409 and the first piston rod 107 is ensured.

[0069] The above only describes the implementation manner of the present application, and is not used for limiting the present application. For the person skilled in the art, any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A servo-hydraulic high frequency actuator, characterized by, The handwheel driving assembly (4) and the actuator cylinder assembly (1) are included. The actuator cylinder assembly (1) includes a cylinder barrel (101), the two ends of the cylinder barrel (101) are sealed to form an installation cavity through a first end cover (102) and a second end cover (103), and a first inlet and outlet hole (104) and a second inlet and outlet hole (105) are arranged on the first end cover (102) and the second end cover (103) respectively; a piston (106) is arranged in the installation cavity, a first piston rod (107) is arranged on the first side of the piston (106), and a second piston rod (108) is arranged on the second side of the piston (106); the first piston rod (107) can extend outwardly through a first end cover through hole (109) arranged at the axial position of the first end cover (102) and is connected with the handwheel driving assembly (4); The second piston rod (108) can extend outwardly through a second end cover through hole (110) arranged at the axial position of the second end cover (103); A piston rod retaining assembly (2) is arranged between the first side of the piston (106) and the inner wall of the first end cover (102), and a spring (3) is sleeved on the piston rod retaining assembly (2).

2. A high frequency actuator according to claim 1, wherein The piston rod retaining assembly (2) includes a first guide sleeve (201) arranged on the inner wall of the first end cover (102) and a second guide sleeve (202) arranged on the first side of the piston (106), a guide connecting barrel (203) is movably arranged between the first guide sleeve (201) and the second guide sleeve (202), and the first piston rod (107) is sleeved and limited by the first guide sleeve (201), the guide connecting barrel (203) and the second guide sleeve (202); The outer side of the first guide sleeve (201), the guide connecting barrel (203) and the second guide sleeve (202) is sleeved with the spring (3).

3. A high frequency actuator according to claim 2, wherein A first guide sleeve through hole (204) is arranged at the axial position of the first guide sleeve (201) and can be penetrated by the guide connecting barrel (203), and a second guide sleeve through hole (205) is arranged at the axial position of the second guide sleeve (202) and can be penetrated by the guide connecting barrel (203); The first end of the guide connecting barrel (203) extends into the first guide sleeve (201) and is sleeved with a first limiting check ring (206); The second end of the guide connecting barrel (203) extends into the second guide sleeve (202) and is sleeved with a second limiting check ring (207).

4. A manual / automatic high-frequency actuator according to claim 2 or 3, characterized in that The first guide sleeve (201) is a T-shaped guide sleeve arranged at the axial position of the inner wall of the first end cover (102) and includes a first guide sleeve sleeve body (208) and a first guide sleeve spring stop ring (209) connected with each other; The second guide sleeve (202) is a T-shaped guide sleeve arranged at the axial position of the first side of the piston (106) and includes a second guide sleeve sleeve body (210) and a second guide sleeve spring stop ring (211) connected with each other; One end of the spring (3) is in contact with the first guide sleeve spring stop ring (209), and the other end is in contact with the second guide sleeve spring stop ring (211).

5. A manual / automatic high frequency actuator according to claim 4, characterized in that, The inner wall of the first end cover (102) is provided with a first guide sleeve embedding groove (111) capable of partially embedding the first guide sleeve (201), and the first side of the piston (106) is provided with a second guide sleeve embedding groove (112) capable of partially embedding the second guide sleeve (202).

6. A manual / automatic high frequency actuator according to claim 1, wherein The hand wheel driving assembly (4) comprises a bracket (401) connected to the outer wall of the first end cover (102), a hand wheel support (402) is arranged on the bracket (401), a hand wheel shell seat (404) with a gear mounting cavity (403) is arranged on the hand wheel support (402), and a lead screw sleeve (405) with a lead screw telescopic cavity (406) is arranged on the top of the hand wheel shell seat (404). The gear mounting cavity (403) movably arranges a large bevel gear (407), the inner ring of the large bevel gear (407) is sleeved with a lead screw meshing sleeve (408), the lead screw meshing sleeve (408) is provided with a lead screw (409), and the inner wall of the lead screw meshing sleeve (408) is provided with a meshing sleeve thread capable of being engaged with the outer thread wall of the lead screw (409). One end of the lead screw (409) penetrates through the lead screw through hole (410) arranged on the hand wheel support (402) and is movably connected with the first piston rod (107) extending into the bracket (401), and the other end of the lead screw (409) extends into the lead screw telescopic cavity (406). The side of the hand wheel shell seat (404) is also provided with a small bevel gear movable cavity (411) capable of communicating with the gear mounting cavity (403), a small bevel gear (412) is movably arranged in the small bevel gear movable cavity (411) and is sealed by a small gear movable cavity cover plate (413); the small bevel gear (412) can be engaged with the large bevel gear (407), the inner ring of the small bevel gear (412) is sleeved with a hand wheel rotating shaft (414), the other end of the hand wheel rotating shaft (414) extends outward through the rotating shaft through hole (415) arranged on the small gear movable cavity cover plate (413), and a hand wheel disc (416) is arranged at the end of the hand wheel rotating shaft (414).

7. A manual / automatic high frequency actuator according to claim 6, characterized in that The end of the first piston rod (107) is connected with the end of the lead screw (409) through a pin shaft (417).

8. A manual / automatic high frequency actuator according to claim 6, wherein The inner wall of the small bevel gear movable cavity (411) is also provided with a bearing embedding groove (418) capable of embedding a rotating shaft bearing (419), and the inner ring of the rotating shaft bearing (419) is sleeved with the hand wheel rotating shaft (414).

9. A manual / automatic high frequency actuator according to claim 6, wherein The bracket (401) is T-shaped, comprising a bracket cylinder (420) for penetrating the first piston rod (107) and the lead screw (409), and a bracket support (421) for being fixedly connected with the first end cover (102). The inner wall of the first end cover (102) is provided with a first guide sleeve embedding groove (111) capable of partially embedding the first guide sleeve (201), and the first side of the piston (106) is provided with a second guide sleeve embedding groove (112) capable of partially embedding the second guide sleeve (202).

Images