Explosion-proof angular travel executing mechanism
By filling in the inner air of the angle stroke actuator housing and designing the tank and conveying pipe system, the problem of the angle stroke actuator that may generate sparks and deflagration in a flammable environment is solved, significantly reducing the risk of accidents and providing safer working environment.
Patent Information
- Application Number
- CN202420562439.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-22
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-03-22
AI Technical Summary
Angle stroke actuator may generate friction and spark in flammable gases, steam or dust environments, resulting in a deflagration accident.
An explosion-proof angular stroke actuator is designed to reduce the formation of combustible mixture by filling the inner part of the angular stroke actuator housing, and replenishing inert gas during leakage through the tank and conveying pipe system to reduce the risk of spark explosion .
Effectively reduces the risks of sparks and explosions, and provides a safer working environment, especially in flammable and explosive environments.
Smart Images
Figure CN222502917U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of control devices, in particular to an explosion-proof angular travel actuator. Background Art
[0002] Angular-turn actuators are often used in equipment that requires angle adjustment or rotation. Angular-turn actuators are used to control the opening and closing of valves, and are used to adjust and control the pressure, flow or temperature of fluids such as liquids, gases, and powders, such as regulating valves, control valves, and mixing valves.
[0003] The electric or mechanical parts of the angular stroke actuator may generate friction and sparks during operation. In an environment with flammable gas, steam or dust, these sparks may become the fuse of deflagration and cause serious accidents. Therefore, we propose an explosion-proof angular stroke actuator to solve the existing problems. Utility Model Content
[0004] The utility model aims to provide an explosion-proof angular stroke actuator in view of the problems existing in the background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an explosion-proof angular stroke actuator, comprising a tank body, an angular stroke actuator shell, a gas sensor and a piston, wherein a tank body is arranged above the angular stroke actuator shell, a gas sensor is arranged on one side of the angular stroke actuator shell, a delivery pipe is arranged at the lower end of the angular stroke actuator shell, a contact sensor is arranged on one side of the upper end of the tank body, a piston is arranged inside the upper end of the tank body, a top ring is arranged above the tank body, a pressure rod is arranged on one side of the lower end of the top ring, and the lower end of the pressure rod corresponds to the contact sensor.
[0006] Preferably, a bracket is provided at the lower end of the tank body, and the lower end of the bracket is connected to the upper end of the angular stroke actuator housing. The bracket supports the lower end of the tank body so that the tank body is fixed above the angular stroke actuator housing.
[0007] Preferably, a fixing block is provided at one end of the gas sensor, and one end of the fixing block is connected to the outer wall of the angular stroke actuator housing. The fixing block is connected to the outer wall of the angular stroke actuator housing to fix the gas sensor on one side of the angular stroke actuator housing.
[0008] Preferably, the outer wall of the angular stroke actuator housing is provided with a grounding wire, which can connect the angular stroke actuator housing to the ground potential, effectively eliminate the static charge on the housing, avoid accumulation, release the static charge in time, and reduce the risk of sparks or explosions caused by static discharge.
[0009] Preferably, the lower end of the delivery pipe passes through the interior of the angular stroke actuator housing, and a valve is arranged inside the upper end of the delivery pipe. The delivery pipe connects the tank body with the interior of the angular stroke actuator housing, and the opening of the delivery pipe is controlled by the valve.
[0010] Preferably, a viewing window is embedded in one end of the tank body, so that the staff can observe the inside of the tank body from the outside.
[0011] Preferably, the upper end of the piston is provided with equidistantly distributed plug rods, the upper end of the plug rods is connected to the top ring, the upper end of the tank body is embedded with equidistantly distributed sliding sleeves, the upper end of the plug rods is slidably inserted in the sliding sleeves, the upper end of the tank body is provided with a feed port, and a control valve is provided in the feed port. The plug rod is slidably inserted in the upper end of the angular stroke actuator housing through the sliding sleeve, moves synchronously with the piston, the feed port transports the medium to the inside of the tank body, and the opening and closing of the feed port is controlled by the valve.
[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0013] 1. The utility model fills the inside of the angular stroke actuator housing with inert gas. The inert gas has excellent non-combustible properties and can effectively replace oxygen in the air, thereby reducing the formation of combustible mixtures. The angular stroke actuator housing is connected to a pressure tank. When leakage and sparks occur in the angular stroke actuator housing, the high pressure inside the tank replenishes the inert gas into the angular stroke actuator housing to make up for the internal pressure. The inert gas mixes with the combustible gas, thereby reducing the possibility of gas leakage and explosion hazards. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the main three-dimensional structure of the utility model;
[0015] Figure 2 It is a side view stereoscopic structural schematic diagram of the utility model;
[0016] Figure 3 This is a schematic diagram of the main three-dimensional structure of the tank body of the utility model;
[0017] Figure 4 It is a schematic diagram of the main cross-sectional three-dimensional structure of the tank body of the utility model.
[0018] Figure numerals: 1. top ring; 2. tank body; 3. delivery pipe; 4. angular stroke actuator housing; 5. grounding wire; 6. fixing block; 7. gas sensor; 8. pressure rod; 9. contact sensor; 10. sliding sleeve; 11. valve; 12. bracket; 13. piston; 14. feed port; 15. control valve; 16. plug rod; 17. viewing window. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0020] like Figure 1-Figure 4 As shown, the utility model proposes an explosion-proof angular stroke actuator, including a tank body 2, an angular stroke actuator housing 4, a gas sensor 7 and a piston 13, the tank body 2 is arranged above the angular stroke actuator housing 4, a bracket 12 is arranged at the lower end of the tank body 2, the lower end of the bracket 12 is connected to the upper end of the angular stroke actuator housing 4, a gas sensor 7 is arranged on one side of the angular stroke actuator housing 4, a fixing block 6 is arranged at one end of the gas sensor 7, one end of the fixing block 6 is connected to the outer wall of the angular stroke actuator housing 4, and a grounding wire 5 is arranged on the outer wall of the angular stroke actuator housing 4.
[0021] Implementation steps based on Example 1: The angular stroke actuator housing 4 is installed in conjunction with the valve 11, and the angular stroke actuator rotates the shaft of the valve opening and closing rotating part. During use, the gas sensor 7 detects the gas medium transported in the pipeline at the angular stroke actuator housing 4. When the concentration of the specified gas in the air exceeds the standard, an alarm is sounded to the terminal so that timely maintenance can be carried out.
[0022] like Figure 1-Figure 4 As shown, compared with the first embodiment, the explosion-proof angular stroke actuator proposed by the utility model further includes: a delivery pipe 3 is provided at the lower end of the angular stroke actuator housing 4, the lower end of the delivery pipe 3 passes through the interior of the angular stroke actuator housing 4, a valve 11 is provided at the upper end of the delivery pipe 3, a contact sensor 9 is provided on one side of the upper end of the tank body 2, a piston 13 is provided inside the upper end of the tank body 2, a visual window 17 is embedded and installed at one end of the tank body 2, a top ring 1 is provided above the tank body 2, a pressure rod 8 is provided on one side of the lower end of the top ring 1, and the lower end of the pressure rod 8 corresponds to the contact sensor 9, an equidistantly distributed plug rod 16 is provided on the upper end of the piston 13, and the upper end of the plug rod 16 is connected to the top ring 1, an equidistantly distributed sliding sleeve 10 is embedded and installed inside the upper end of the tank body 2, and the upper end of the plug rod 16 is slidably inserted in the interior of the sliding sleeve 10, a feed port 14 is provided at the upper end of the tank body 2, and a control valve 15 is provided inside the feed port 14.
[0023] In the present embodiment, when leakage occurs inside the angular stroke actuator housing 4, the delivery pipe 3 connected to the tank body 2 delivers inert gas into the interior of the angular stroke actuator housing 4, replenishes the pressure inside the depressurized angular stroke actuator housing 4, avoids direct contact between sparks and oxygen, and prevents the entry of external oxygen, thereby providing valuable time for maintenance staff and reducing the possibility of explosion. During the pressure replenishment process, the piston 13 descends due to the reduction in internal pressure of the tank body 2, driving the pressure rod 8 to descend. When the pressure rod 8 touches the contact sensor 9, a signal is transmitted to the terminal again, reminding the staff that the inert gas inside the tank body 2 is about to be insufficient, so that the staff can better grasp the maintenance time.
[0024] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.
[0025] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. An explosion-proof angular stroke actuator, comprising a tank body (2), an angular stroke actuator housing (4), a gas sensor (7) and a piston (13), characterized in that: A tank body (2) is arranged above the angular stroke actuator housing (4), a gas sensor (7) is arranged on one side of the angular stroke actuator housing (4), a delivery pipe (3) is arranged at the lower end of the angular stroke actuator housing (4), a contact sensor (9) is arranged on one side of the upper end of the tank body (2), a piston (13) is arranged inside the upper end of the tank body (2), a top ring (1) is arranged above the tank body (2), a pressure rod (8) is arranged on one side of the lower end of the top ring (1), and the lower end of the pressure rod (8) corresponds to the contact sensor (9).
2. The explosion-proof angular stroke actuator according to claim 1, characterized in that: A bracket (12) is provided at the lower end of the tank body (2), and the lower end of the bracket (12) is connected to the upper end of the angular stroke actuator housing (4).
3. The explosion-proof angular stroke actuator according to claim 1, characterized in that: A fixing block (6) is provided at one end of the gas sensor (7), and one end of the fixing block (6) is connected to the outer wall of the angular stroke actuator housing (4).
4. The explosion-proof angular stroke actuator according to claim 1, characterized in that: The outer wall of the angular travel actuator housing (4) is provided with a grounding wire (5).
5. The explosion-proof angular stroke actuator according to claim 1, characterized in that: The lower end of the delivery pipe (3) passes through the interior of the angular stroke actuator housing (4), and a valve (11) is provided inside the upper end of the delivery pipe (3).
6. The explosion-proof angular stroke actuator according to claim 1, characterized in that: A visual window (17) is embedded and installed inside one end of the tank body (2).
7. The explosion-proof angular stroke actuator according to claim 1, characterized in that: The upper end of the piston (13) is provided with plug rods (16) which are distributed at equal intervals, and the upper end of the plug rods (16) is connected to the top ring (1). The upper end of the tank body (2) is embedded with sliding sleeves (10) which are distributed at equal intervals, and the upper end of the plug rods (16) is slidably inserted into the sliding sleeves (10). The upper end of the tank body (2) is provided with a feed port (14), and a control valve (15) is provided inside the feed port (14).