CN217713847U

CN217713847U - Actuator propelled by actuator cylinder

Info

Publication number: CN217713847U
Application number: CN202221632788.4U
Authority: CN
Inventors: 李岐; 刘建民
Original assignee: Tianjin Sealing Leak Science And Technology Co ltd
Current assignee: Tianjin Sealing Leak Science And Technology Co ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-11-01
Anticipated expiration: 2032-06-27

Abstract

The utility model discloses an use propulsive executor of pressurized strut belongs to valve technical field. The actuator comprises a normal clutch, a sliding sleeve, an emergency clutch, a push rod, an actuating cylinder and a support, wherein the push rod is sleeved on a valve shaft, the sliding sleeve is slidably mounted on the valve shaft, two parts of the normal clutch in meshing transmission are respectively mounted on the sliding sleeve and a turbine, two parts of the emergency clutch in meshing transmission are respectively mounted on the sliding sleeve and the push rod, the sliding sleeve is used for switching the working states of the normal clutch and the emergency clutch and transmitting the rotating force of the turbine and the push rod, the actuating cylinder is hinged on the support, and the output end of the actuating cylinder is in transmission connection with the push rod. The utility model discloses introduce the pressurized strut under the emergent dual mode of valve shaft, make the valve shaft accomplish fast and open or closed rotation, strengthened the emergent ability of carrying out of valve, improved the agility of adjusting the aperture, be favorable to reducing the loss of the lives and property that emergency caused.

Description

Actuator propelled by actuator cylinder

Technical Field

The utility model belongs to the technical field of the valve, especially, use propulsive executor of pressurized strut.

Background

The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. The valves are of various types, for example, butterfly valves, the closing and opening of which are determined by the position of a valve plate, and the position adjustment of the valve plate is realized by rotating a valve shaft. At present, a normal butterfly valve transmits torque to a valve shaft through a worm gear, a spur gear or a bevel gear so as to drive a valve plate to be closed or opened.

In the prior art, the operation of closing and opening the butterfly valve needs a process through transmission of a worm wheel and a worm gear, a spur gear or a bevel gear, and simultaneously a certain time is occupied, under the conditions that equipment failure and dangerous medium leakage need to close the valve immediately, fire fighting needs to open the valve quickly and the like, the opening mode of a normal butterfly valve is not applicable any more, the defects of poor emergency execution capacity of opening or closing the existing butterfly valve, insufficient rapidness of opening adjustment and easiness of life and property loss caused under emergency are reflected.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: an actuator using a ram for propulsion is provided to solve the above problems of the prior art.

The technical scheme is as follows: an actuator propelled by an actuating cylinder comprises a valve shell, a valve shaft and a turbine, wherein the valve shaft is arranged in the valve shell, the end part of the valve shaft extends to the outside of the valve shell, and the turbine is arranged in the valve shell and is in transmission connection with the valve shaft;

the emergency clutch comprises a valve shaft, a valve shell, an actuating cylinder, a valve rod, a connecting key, a normal clutch, a sliding sleeve, an emergency clutch, a push rod, an actuating cylinder and a support, wherein the push rod is connected to the valve shaft in a key mode, the sliding sleeve is installed on the valve shaft in a sliding mode through the connecting key, two parts of the normal clutch in meshing transmission are installed on the sliding sleeve and a turbine respectively, two parts of the emergency clutch in meshing transmission are installed on the sliding sleeve and the push rod respectively, the sliding sleeve is used for switching working states of the normal clutch and the emergency clutch, the sliding sleeve is used for transmitting rotating force of the turbine or the push rod, the support is installed on the valve shell, the actuating cylinder is hinged to the support, the output end of the actuating cylinder is in transmission connection with the push rod, and the actuating cylinder is used for forcedly and emergently driving the push rod when the emergency clutch works.

Further, the actuating cylinder comprises an actuating cylinder shell, an output piston and a piston rod head, the output piston is arranged in the actuating cylinder shell and used for releasing the propelling force, the piston rod head is arranged at the end part of the output piston, and the piston rod head is connected with the push rod; the introduction of the actuating cylinder provides stable and reliable power for the rapid rotation of the valve shaft, and the actuating cylinder is an important part for rapidly rotating the valve shaft in an emergency state and realizing the opening or closing of the valve.

Furthermore, the actuator cylinder shell comprises a compression screw, an actuator cylinder bottom, an actuator cylinder main body, an actuator cylinder edge and an actuator cylinder cover, the actuator cylinder main body is hinged to the support, the actuator cylinder bottom is installed at the bottom of the actuator cylinder main body, the compression screw is installed at the actuator cylinder bottom, the actuator cylinder edge is installed on the outer wall of the top of the actuator cylinder main body, and the actuator cylinder cover is installed on the actuator cylinder edge through the screw; the actuator cylinder shell provides an installation station and an output environment for the output piston, and the actuator cylinder body is hinged on the support, so that the linear output of the actuator cylinder meets the requirement of the circular motion of the push rod, and the dead point of the structure is avoided.

Further, the output piston comprises a piston rod, a piston bottom, a filter, a gas generator, a line pressing stud, a partition plate and a lead post, the piston rod is of a cylindrical structure, the piston rod is arranged in the actuator cylinder main body, the push rod is arranged at the top of the piston rod, the piston bottom is arranged at the bottom of the piston rod, an exhaust hole is formed in the piston bottom, the piston bottom is used for releasing propulsion energy, the filter is arranged on the piston bottom, the bottom of the gas generator extends into the filter and is fixed on the filter through a rigid fastener, the gas generator is used for providing explosives, the partition plate is arranged at the top of the gas generator, the lead post is arranged at the upper part of the partition plate and is used for transmitting ignition media released by the ignition unit, the line pressing stud is arranged at the lower part of the partition plate and is used for guiding electric sparks to enter the gas generator from the lead post; the output piston detonates the gas in the gas generator through the lead post, and the energy that produces when utilizing the explosion pushes out the pressurized strut shell with self, and the output effect is sufficient, possesses required drive power when emergent, and the setting of filter has prevented harmful waste gas's discharge, and the aspect of the use safety ring protects.

The actuating cylinder further comprises an ignition unit, the ignition unit comprises a clamping pipe and a controller, the clamping pipe is arranged in the piston rod, the upper end face of the clamping pipe abuts against the piston rod head, the lower end face of the clamping pipe abuts against the partition plate, a control chamber is formed in the clamping pipe, the controller is arranged in the control chamber, and the controller is used for providing electric sparks for explosives; the ignition unit can select modes such as manual control or sensor automatic control, and a controller independently arranged in the control chamber has a safe working environment, so that stable driving of the actuating cylinder is guaranteed.

Further, the push rod is mounted on the valve shaft through an emergency bearing, and the turbine is mounted on the valve shaft through a normal bearing; the emergency bearing and the normal bearing are arranged to facilitate the rotation of the push rod and the turbine, so that the loss caused by mechanical abrasion is reduced, and the service life of the device is prolonged.

Further, the bottom of the piston rod is closely contacted with the actuator cylinder main body through a sealing ring; the sealing ring at the bottom of the piston rod is used for preventing the driving energy generated by the output piston from leaking, and the efficient utilization of the driving energy is ensured.

Further, the partition plate is closely contacted with the piston rod through a sealing ring; the sealing ring on the partition plate is used for sealing the control chamber and preventing the driving energy from influencing the operation and the service life of the ignition unit.

Further, the actuating cylinder cover is closely contacted with the piston rod through a sealing ring; the sealing ring on the actuating cylinder cover is used for bearing abrasion between the piston rod and the actuating cylinder cover, and the assembling effect is enhanced.

Has the advantages that: the utility model discloses a change of sliding sleeve position realizes control normality clutch and emergent clutch work operating condition, valve shaft normality and emergent dual mode's rotation has been realized, and introduce the propulsion of valve shaft with the actuator cylinder under emergency condition, the actuator cylinder utilizes the lead post to detonate the gas that gas generator produced, force the propulsion push rod through the energy that the explosion produced, make the quick completion of valve shaft open or closed rotation, thereby the time that the operation process occupied has been shortened, at equipment failure, dangerous medium leaks and need close the valve immediately, fire control extinguishment need open the valve fast under the condition such as valve fast and have huge advantage, the emergent ability of carrying out of valve has been strengthened, the rapidity of adjusting the aperture has been improved, be favorable to reducing the loss of lives and property that emergency caused.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is a schematic view of the internal structure of the actuator cylinder of the present invention.

Fig. 4 is an enlarged view of a portion a in fig. 3 according to the present invention.

Fig. 5 is an enlarged view of the present invention at B in fig. 3.

The reference signs are: 1. a valve shaft; 2. a turbine; 3. a normal state clutch; 4. a sliding sleeve; 5. an emergency clutch; 6. a push rod; 61. a first extreme position; 62. a second limit position; 7. an emergency bearing; 8. an actuator cylinder; 801. a compression screw; 802. Actuating the cylinder bottom; 803. an actuator cylinder body; 804. a piston rod; 805. a piston bottom; 806. a filter; 807. a gas generator; 808. pressing a wire stud; 809. a partition plate; 810. a lead post; 811. clamping the pipe; 812. a control chamber; 813. An actuator cylinder rim; 814. actuating the cylinder cover; 815. a piston rod head; 9. a support; 10. a valve housing.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.

Example 1:

in order to change the single mode that the traditional butterfly valve drives a valve plate to be closed or opened by transmitting torque to a valve shaft through a worm gear, a spur gear or a bevel gear, the butterfly valve which slowly executes the opening and closing actions in a normal state and quickly executes the opening and closing actions in an emergency state is provided.

As shown in fig. 1-2, a binary valve comprises a valve housing 10, a valve shaft 1 and a turbine 2, wherein the valve shaft 1 is disposed in the valve housing 10, and the end portion of the valve shaft extends to the outside of the valve housing 10, and the turbine 2 is disposed in the valve housing 10 and is mounted on the valve shaft 1 through a normal bearing; still include normality clutch 3, sliding sleeve 4, emergency clutch 5, push rod 6, push rod drive and support 9, push rod 6 passes through emergency bearing 7 and installs on valve shaft 1, sliding sleeve 4 passes through connecting key slidable mounting on valve shaft 1, and sliding sleeve 4 and valve shaft 1 do not take place relative rotation, normality clutch 3 meshes driven two parts and installs respectively on sliding sleeve 4 and turbine 2, emergency clutch 5's meshing driven two parts are installed respectively on sliding sleeve 4 and push rod 6, sliding sleeve 4 is used for switching normality clutch 3 and emergency clutch 5's operating condition, sliding sleeve 4 is used for transmitting the turning force of turbine 2 or push rod 6, support 9 installs on valve casing 10, the push rod drive is installed on support 9, push rod drive's output and push rod 6 transmission are connected, the push rod drive is used for forcing emergency drive push rod 6 when emergency clutch 5 works.

When the valve shaft 1 does not need to be emergently executed, the sliding sleeve 4 is adjusted to be close to the turbine 2, the normal clutch 3 is meshed to work, then the turbine 2 is driven to rotate around the valve shaft 1, due to the existence of a normal bearing, the rotation resistance of the turbine 2 is small, the rotation is smooth, under the action of the normal clutch 3, the torsional force is transmitted to the valve shaft 1 by the sliding sleeve 4, and the valve shaft 1 slowly rotates to drive the valve plate to adjust the opening of the valve;

when the valve shaft 1 needs to be executed emergently, the adjusting sliding sleeve 4 is close to the push rod 6, the emergency clutch 5 is enabled to be meshed to work, then the push rod drives to work, under the action of the emergency clutch 5, the torsional force is transmitted to the valve shaft 1 by the sliding sleeve 4, and the valve shaft 1 rotates fast to drive the valve plate to adjust the opening degree of the valve.

Example 2:

in order to provide a push rod drive with stable operation, a detailed structure of the actuating cylinder 8 is provided;

in this embodiment, an improvement is made on the basis of embodiment 1, specifically, referring to fig. 3 to 5, the actuator cylinder 8 includes an actuator cylinder housing, an output piston and a piston rod head 815, the output piston is disposed in the actuator cylinder housing, the output piston is used for releasing propulsive force, the piston rod head 815 is mounted at an end portion of the output piston, the piston rod head 815 is connected to the push rod 6, and introduction of the actuator cylinder 8 provides stable and reliable power for rapid rotation of the valve shaft 1, and is an important component for rapidly rotating the valve shaft 1 to open or close the valve in an emergency state.

The actuator cylinder shell comprises a compression screw 801, an actuator cylinder bottom 802, an actuator cylinder main body 803, an actuator cylinder edge 813 and an actuator cylinder cover 814, the actuator cylinder main body 803 is hinged to a support 9, the actuator cylinder bottom 802 is installed at the bottom of the actuator cylinder main body 803, the compression screw 801 is installed on the actuator cylinder bottom 802, the actuator cylinder edge 813 is installed on the outer wall of the top of the actuator cylinder main body 803, the actuator cylinder cover 814 is installed on the actuator cylinder edge 813 through screws, the actuator cylinder 8 shell provides an installation station and an output environment for an output piston, and the actuator cylinder main body 803 is hinged to the support 9 so that linear output of the actuator cylinder meets the requirement of circular motion of a push rod 6 and structural dead points are avoided.

The output piston comprises a piston rod 804, a piston bottom 805, a filter 806, a gas generator 807, a pressing stud 808, a partition 809 and a lead post 810, the piston rod 804 is of a cylindrical structure, the piston rod 804 is arranged in the actuator main body 803, a push rod 6 is arranged at the top of the piston rod 804, the piston bottom 805 is arranged at the bottom of the piston rod 804, an exhaust hole is formed in the piston bottom 805, the piston bottom 805 is used for releasing propulsion energy, the filter 806 is arranged on the piston bottom 805, the bottom of the gas generator 807 extends into the filter 806 and is fixed on the filter 806 through a fastening piece, the gas generator 807 is used for providing explosive substances, the partition 809 is arranged at the top of the gas generator 807, the lead post 810 is arranged at the upper part of the partition 809, the lead post 810 is used for transmitting ignition media released by an ignition unit, the pressing stud 808 is arranged at the lower part of the partition 809, the pressing stud 808 is used for guiding electric sparks to enter the gas generator 807 from the lead post 810, the output piston detonates gas in the gas generator 807 through the lead post 810, the energy generated in explosion is pushed out of the actuator 8 shell by utilizing the energy generated in the emergency, the aspects of the environment-friendly exhaust gas generator 806, the output effect is sufficient, the driving force required by the emergency, and the environment-friendly filter 806 is prevented from the environment.

When the valve plate is used, the output piston drives the piston rod head 815 to extend out of the actuating cylinder shell, the piston rod head 815 is transited from the first limit position 61 to the second limit position 62, in the process, the valve shaft 1 rotates 90 degrees, and the valve plate is switched between the closed posture and the opened posture.

Example 3:

to provide an ignition unit of a cylinder 8, embodiment 3 is provided;

in this embodiment, an improvement is made on the basis of embodiment 2, specifically, referring to fig. 3 and 5, the actuator cylinder 8 further includes an ignition unit, the ignition unit includes a clamping tube 811 and a controller, the clamping tube 811 is disposed in the piston rod 804, an upper end surface of the clamping tube 811 abuts against the piston rod head 815, a lower end surface of the clamping tube 811 abuts against the partition 809, a control chamber 812 is formed in the clamping tube 811, the controller is disposed in the control chamber 812, the controller is configured to provide an electric spark to an explosive, the ignition unit can select a manual control mode or a sensor automatic control mode, and the controller separately disposed in the control chamber 812 has a safe working environment, so that stable driving of the actuator cylinder 8 is ensured.

When the ignition device is used, the controller releases electric energy to the lead posts 810 after receiving an ignition instruction, the electric energy is converted into electric sparks at the tail ends of the lead posts 810, the electric sparks enter the gas generator 807 under the guidance of the wire pressing studs 808, and explosives in the gas generator are detonated to complete the control of primary ignition explosion.

Example 4:

in order to optimize the use effect of the actuating cylinder 8, embodiment 4 is provided;

this embodiment is an improvement of embodiment 2-3, and specifically, please refer to fig. 3-5,

the bottom of the piston rod 804 is in close contact with the actuator cylinder main body 803 through a sealing ring, and the sealing ring at the bottom of the piston rod 804 is used for preventing the driving energy generated by the output piston from leaking out, so that the efficient utilization of the driving energy is ensured.

The partition 809 is in intimate contact with the piston rod 804 by a seal ring, the seal ring on the partition 809 being used to seal the control chamber 812, preventing the drive energy from affecting the operation and life of the ignition unit.

The actuating cylinder cover 814 is closely contacted with the piston rod 804 through a sealing ring, and the sealing ring on the actuating cylinder cover 814 is used for bearing abrasion between the piston rod 804 and the actuating cylinder cover 814, so that the assembling effect is enhanced.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be modified to perform various equivalent transformations, which all belong to the protection scope of the present invention.

Claims

1. An actuator using an actuator cylinder for propulsion comprises a valve shell (10), a valve shaft (1) and a turbine (2), wherein the valve shaft (1) is arranged in the valve shell (10), the end part of the valve shaft extends to the outside of the valve shell (10), and the turbine (2) is arranged in the valve shell (10) and is in transmission connection with the valve shaft (1);

the method is characterized in that: the emergency clutch comprises a valve shaft (1), a valve shell, an actuating cylinder (8), a valve sliding sleeve (4), a push rod (6), an actuating cylinder (8) and a support (9), wherein the push rod (6) is connected to the valve shaft (1) in a keyed mode, the sliding sleeve (4) is installed on the valve shaft (1) in a sliding mode through a connecting key, two parts of the normal clutch (3) in meshing transmission are installed on the sliding sleeve (4) and a turbine (2) respectively, two parts of the emergency clutch (5) in meshing transmission are installed on the sliding sleeve (4) and the push rod (6) respectively, the sliding sleeve (4) is used for switching working states of the normal clutch (3) and the emergency clutch (5), the sliding sleeve (4) is used for transmitting rotating force of the turbine (2) or the push rod (6), the support (9) is installed on the valve shell (10), the actuating cylinder (8) is hinged to the support (9), an output end of the actuating cylinder (8) is in transmission connection with the push rod (6), and the actuating cylinder (8) is used for driving the push rod (6) when the emergency clutch (5) is meshed.

2. An actuator actuated by ram propulsion according to claim 1, wherein: the actuator cylinder (8) comprises an actuator cylinder shell, an output piston and a piston rod head (815), the output piston is arranged in the actuator cylinder shell and used for releasing the propelling force, the piston rod head (815) is arranged at the end part of the output piston, and the piston rod head (815) is connected with the push rod (6).

3. An actuator utilizing ram propulsion according to claim 2 wherein: the actuator cylinder shell comprises a compression screw (801), an actuator cylinder bottom (802), an actuator cylinder body (803), an actuator cylinder edge (813) and an actuator cylinder cover (814), wherein the actuator cylinder body (803) is hinged to a support (9), the actuator cylinder bottom (802) is installed at the bottom of the actuator cylinder body (803), the compression screw (801) is installed on the actuator cylinder bottom (802), the actuator cylinder edge (813) is installed on the outer wall of the top of the actuator cylinder body (803), and the actuator cylinder cover (814) is installed on the actuator cylinder edge (813) through screws.

4. An actuator actuated by a ram as claimed in claim 3, wherein: the output piston comprises a piston rod (804), a piston bottom (805), a filter (806), a gas generator (807), a pressing line stud (808), a partition plate (809) and a lead post (810), wherein the piston rod (804) is of a cylindrical structure, the piston rod (804) is arranged in a cylinder main body (803), the push rod (6) is installed at the top of the piston rod (804), the piston bottom (805) is installed at the bottom of the piston rod (804), an exhaust hole is formed in the piston bottom (805), the piston bottom (805) is used for releasing propulsion energy, the filter (806) is installed on the piston bottom (805), the bottom of the gas generator (807) extends into the filter (806) and is fixed on the filter (806) through a fastener, the gas generator (807) is used for providing explosives, the top of the gas generator (807) is provided with the partition plate (809), the lead post (810) is installed at the upper part of the partition plate (809), the lead post (810) is used for transferring ignition media released by an ignition unit, the pressing line stud (809) is installed at the lower part of the partition plate (809), and the lead post (808) is used for guiding the gas generator (808) from the electric spark stud (808) into the electric spark stud (808).

5. An actuator actuated by ram propulsion according to claim 4, wherein: the actuating cylinder (8) further comprises an ignition unit, the ignition unit comprises a clamping tube (811) and a controller, the clamping tube (811) is arranged in the piston rod (804), the upper end face of the clamping tube (811) abuts against the piston rod head (815), the lower end face of the clamping tube (811) abuts against the partition plate (809), a control chamber (812) is formed in the clamping tube (811), the controller is arranged in the control chamber (812), and the controller is used for providing electric sparks for explosives.

6. An actuator utilizing ram propulsion according to claim 1 wherein: the push rod (6) is installed on the valve shaft (1) through an emergency bearing (7), and the turbine (2) is installed on the valve shaft (1) through a normal bearing.

7. An actuator actuated by a ram as claimed in claim 5, wherein: the bottom of the piston rod (804) is closely contacted with the actuator cylinder main body (803) through a sealing ring; the partition plate (809) is closely contacted with the piston rod (804) through a sealing ring; the actuator cap (814) is in intimate contact with the piston rod (804) through a sealing ring.