Brake device applied to diaphragm compressor

Abstract

The utility model discloses a braking device applied to a diaphragm compressor, and belongs to the technical field of diaphragm compressors. The brake device comprises a driving mechanism, a brake executing mechanism and a transmission mechanism, the brake executing mechanism comprises a brake disc and a brake pad, the brake disc is connected with the brake pad in a matched mode, the brake disc and the brake pad can generate mutual friction, the first end of the transmission mechanism is connected with the driving mechanism, and the second end of the transmission mechanism is connected with the brake disc. Rapid braking is achieved through a mechanical structure, when the diaphragm compressor needs to be braked, the brake pad is driven to be close to the brake disc through the driving mechanism and the transmission mechanism, friction force between the brake pad and the brake disc is achieved, and the friction force generates a braking torque to enable a main shaft of the compressor to stop rotating; and when the friction force between the brake pad and the brake disc is gradually reduced, the brake pad is gradually moved away through the transmission mechanism, so that brake release is realized, and the stable and reliable brake effect of the diaphragm compressor in a high-pressure environment is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of diaphragm compressors, and more specifically, it relates to a braking device applied to a diaphragm compressor. Background Technique

[0002] A diaphragm compressor is a device widely used in various industrial fields. Its characteristic is that it can convert mechanical energy into gas pressure energy, and it has advantages such as high compression efficiency and wide application range. The braking system plays a very important role in the entire diaphragm compressor. The length of the braking time directly determines whether the safety performance of the diaphragm compressor can be guaranteed in an emergency, and the quality of the braking performance determines the reliability of the diaphragm compressor. However, when the compressor fails or suddenly loses power, how to effectively stop the operation of the compressor and prevent it from reversing is an important problem faced in this field.

[0003] The existing braking devices for diaphragm compressors are mostly hydraulic or electromagnetic. These methods often have a slow response speed in terms of braking speed and stability, insufficient braking force, and are prone to problems such as wear and jamming under complex working conditions. At the same time, they may also affect the performance and safety of the compressor. Summary of the Utility Model

[0004] The utility model aims at the technical problems existing in the prior art and provides a braking device applied to a diaphragm compressor.

[0005] To solve the above technical problems, the utility model includes a driving mechanism, a braking execution mechanism and a transmission mechanism. The braking execution mechanism includes a brake disc and a brake pad. The brake disc is cooperatively connected with the brake pad, and the brake disc and the brake pad can rub against each other. The first end of the transmission mechanism is connected to the driving mechanism, and the second end of the transmission mechanism is connected to the brake disc.

[0006] Preferably, it further includes a control system. The control system includes an electric execution element and a limit switch. The control system drives the brake disc and the brake pad to rub against each other through the action of the transmission mechanism.

[0007] Preferably, the electric execution element is provided with a control chamber. The electric execution element controls and adjusts the control valve of the device, receives the control signal of the control system and converts it into mechanical motion, and the electric execution element cooperates with the limit switch to act.

[0008] Preferably, the control system is electrically connected to the transmission mechanism and the driving mechanism, and the control system controls the actions of the transmission mechanism and the driving mechanism.

[0009] Preferably, a temperature sensor and a pressure sensor are connected to the control system, and the temperature sensor and the pressure sensor are connected to the braking execution mechanism.

[0010] Preferably, the brake disc is mounted on the main shaft of the compressor, the brake pads are mounted on the compressor frame, and the transmission mechanism drives the brake pads to approach or move away from the brake disc.

[0011] Preferably, the brake disc is of a metal disc structure and rotates synchronously with the main shaft of the compressor; when the braking brake device operates, the transmission mechanism drives the brake pads to move relative to the brake disc, increasing or decreasing the frictional force between the brake pads and the brake disc.

[0012] Preferably, the brake pads include a brake pad substrate and a brake pad friction part. The brake pad substrate provides support for the brake pads, and the brake pad friction part is connected to the brake disc.

[0013] Preferably, the driving mechanism is provided with an output shaft, and the driving mechanism is connected to the transmission mechanism through its output shaft to achieve the transmission of rotational energy. The transmission mechanism is a crankshaft transmission mechanism.

[0014] Preferably, the driving mechanism includes a hydraulic motor.

[0015] Compared with the prior art, the present utility model has the following beneficial effects:

[0016] The present utility model realizes rapid braking through a mechanical structure. When the diaphragm compressor needs to brake, the rotational speed of the compressor reaches a preset value. The driving mechanism and the transmission mechanism drive the brake pads to approach the brake disc, achieving the frictional force between the two. The frictional force will generate a braking torque to stop the rotation of the main shaft of the compressor; when the frictional force between the brake pads and the brake disc gradually decreases, the brake pads are gradually moved away through the transmission mechanism, thereby realizing the release of the brake, ensuring that the diaphragm compressor maintains a stable and reliable braking effect in a high-pressure environment. The braking brake device of the present utility model improves the braking performance and safety of the diaphragm compressor. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the following drawings are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0018] Figure 1 Structural schematic of the embodiment of the braking brake device of the present utility model Figure 1 ;

[0019] Figure 2 Schematic diagram of the control principle of the embodiment of the braking brake device of the present utility model;

[0020] Figure 3 Structural schematic of the embodiment of the braking brake device of the present utility model Figure 2 ;

[0021] Figure 4 For the present utility model Figure 3 is a partial enlarged structural schematic diagram of part A in this utility model.

[0022] Explanation of symbol markings in the figure:

[0023] 100, driving mechanism; 200, transmission mechanism; 300, brake disc; 400, brake pad; 500, control system; 1, hydraulic motor. Specific embodiments

[0024] In order to make the technical problems, technical solutions and beneficial effects to be solved by this application clearer, the following further details this application in combination with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not used to limit this application.

[0025] Please refer to Figure 1 , the present utility model provides a braking device applied to a diaphragm compressor, which includes a driving mechanism 100, a brake execution mechanism and a transmission mechanism 200. The brake execution mechanism includes a brake disc 300 and a brake pad 400. The brake disc 300 is cooperatively connected with the brake pad 400, and the brake disc 300 and the brake pad 400 can rub against each other. The first end of the transmission mechanism 200 is connected to the driving mechanism 100, and the second end of the transmission mechanism 200 is connected to the brake disc 300.

[0026] The present utility model realizes rapid braking through a mechanical structure. When the diaphragm compressor needs to brake, the rotational speed of the compressor reaches a preset value. The driving mechanism 100 and the transmission mechanism 200 drive the brake pad 400 to approach the brake disc 300 to realize the frictional force between the two. The frictional force will generate a braking torque to stop the rotation of the compressor main shaft; when the frictional force between the brake pad 400 and the brake disc 300 gradually decreases, the brake pad is gradually moved away through the transmission mechanism 200, thereby realizing the release of the brake, ensuring that the diaphragm compressor maintains stable and reliable braking performance in a high-pressure environment. The braking device of the present utility model improves the braking performance and safety of the diaphragm compressor.

[0027] In this embodiment, a control system 500 is further included. The control system 500 includes an electric actuator and a limit switch. The control system 500 drives the brake disc 300 and the brake pad 400 to rub against each other through the action of the transmission mechanism 200.

[0028] Specifically, the control system 500 is an electric control system. Signals are received and commands are controlled through the control system 500, thereby realizing the braking action of the compressor. The electric actuator is an electric actuator. The electric actuator receives the control signal from the control system 500 and converts it into mechanical motion to control components such as the compressor.

[0029] In this embodiment, as Figure 2 shown, through precise drive, the electric actuator can achieve precise adjustment of components such as compressor valves and flow control valves, thereby controlling parameters such as the flow rate and pressure of the gas. And compared with manual operation, the electric actuator greatly improves the degree of automation, realizes automatic control, reduces human intervention, and improves production efficiency and safety.

[0030] The electric actuator is provided with a control chamber. The electric actuator controls and adjusts the control valve of the device. The control signal sent by the control system is processed by the internal circuit of the electric actuator and then converted into a driving signal for the motor. Moreover, the driving mechanism drives the transmission mechanism to transmit the rotational motion to the actuator such as the valve to realize the opening, closing or adjustment of the valve.

[0031] In this embodiment, the electric actuator cooperates with the limit switch to act. The limit switch can realize the automatic control and protection of mechanical equipment. The limit switch is used to detect the movement positions of components such as compressor valves to ensure that they are in the predetermined safe or working positions. When the mechanical equipment moves to the limit position, the limit switch will send a signal to cut off the power supply or start the braking device to prevent equipment damage or safety accidents. Through the control of the electric actuator and the limit switch in this embodiment, the friction force between the brake pads and the brake disc is maintained within a reasonable range, improving the stability and safety of braking.

[0032] When the moving part of the diaphragm compressor contacts the triggering part of the limit switch, it will change the state of the executing part, which can change from off to on. The change in the state of the executing part will trigger the action of the switch in the circuit, thereby outputting a corresponding electrical signal. The electrical signal can be received by the control system and used to control the next action of the mechanical equipment.

[0033] Furthermore, in this embodiment, the control system 500 is electrically connected to the transmission mechanism 200 and the driving mechanism 100, and the control system 500 controls the actions of the transmission mechanism 200 and the driving mechanism 100.

[0034] Specifically, the driving mechanism 100 includes a hydraulic motor 1. The hydraulic motor 1 is provided with an output shaft at its end. Compared with an electric motor with a similar power output, the hydraulic motor 1 is usually more compact and lighter, which makes them suitable for applications with limited space. Moreover, the hydraulic motor 1 is also known for its durability and ability to withstand harsh environments and can operate effectively in dusty, humid or corrosive conditions.

[0035] In this embodiment, the drive mechanism 200 adopted by the diaphragm compressor is a crankshaft drive mechanism. One end of the drive mechanism 200 is connected to the drive end, and the other end is connected to the brake disc 300 to ensure a firm and reliable connection. The connection between the crankshaft drive mechanism in the diaphragm compressor and the hydraulic motor 1 is achieved through the output shaft of the hydraulic motor 1. The rotational energy generated by the hydraulic motor 1 can be directly transmitted to the crankshaft drive mechanism of the diaphragm compressor, enabling it to perform the expected functions. The hydraulic motor 1 is directly connected to the crankshaft drive mechanism of the diaphragm compressor through its output shaft, realizing the transmission of rotational energy. At the same time, it provides precise control of speed and torque, as well as flexible adjustment of the rotational direction, making the hydraulic motor a well-suited drive mode in the diaphragm compressor.

[0036] As is well known, a diaphragm compressor is a reciprocating compressor that compresses and transports gases by the reciprocating motion of a diaphragm in a cylinder. The diaphragm is clamped by two limiting plates along the periphery to form a cylinder and an oil cylinder. With the diaphragm as the boundary, the diaphragm reciprocates in the cylinder driven mechanically or hydraulically, thereby achieving the compression and transportation of gases. A diaphragm compressor is a volumetric compressor with a special structure, featuring a large compression ratio, good sealing performance, and the compressed gas is not contaminated by lubricating oil and other solid impurities. Therefore, it is suitable for compressing gases such as high-purity, rare and precious, flammable and explosive, toxic and harmful, corrosive, and high-pressure gases.

[0037] Furthermore, in this embodiment, the crankshaft drive mechanism mainly consists of a compressor head, a cylinder, a diaphragm, a crankshaft, a connecting rod, an intake valve, and an exhaust valve, etc. These components work together to ensure the normal operation of the diaphragm compressor. Among them, the compressor head contains important components such as a cylinder, a diaphragm, and valves, which is the core of the entire compressor. The crankshaft drives the diaphragm to move up and down through the connecting rod, thereby realizing the change in volume within the cylinder, and then completing the processes of suction, compression, and exhaust. The intake valve and the exhaust valve are respectively responsible for opening or closing at the appropriate time to control the entry and exit of gases.

[0038] As Figure 3 、 Figure 4 shown, in this embodiment, the brake disc 300 is installed on the main shaft of the compressor, and the brake pad 400 is installed on the compressor frame. The drive mechanism 200 drives the brake pad 400 to approach or move away from the brake disc 300, and the brake function of the diaphragm compressor is achieved through the contact between the brake pad 400 and the brake disc 300.

[0039] Specifically, when the diaphragm compressor needs to brake, the control system 500 drives the brake pads 400 to approach the brake disc 300 through the transmission mechanism 200 to achieve the frictional force between the two. This frictional force will generate a braking torque to stop the rotation of the compressor main shaft. When the frictional force between the brake pads 400 and the brake disc 300 gradually decreases, the control system 500 will gradually move the brake pads away through the transmission mechanism 200 to release the brake.

[0040] In this embodiment, the brake disc 300 is a metal disc structure fixedly connected to the outer periphery of the compressor main shaft. The brake disc 300 rotates synchronously with the compressor main shaft. The design and material selection of the brake disc 300 can withstand the huge heat and frictional force generated during high-speed rotation and frequent braking. The brake pads 400 are installed on the side of the brake disc 300 and are installed in the braking grooves of the brake disc 300 in the correct direction and position to ensure the close fit between the brake pads 400 and the brake disc 300. When the braking device operates, the transmission mechanism 200 drives the brake pads 400 to move relative to the brake disc 300 to increase or decrease the frictional force between the brake pads 400 and the brake disc 300, and the brake pads 400 are driven to clamp the brake disc 300 to achieve braking.

[0041] In this embodiment, the brake pads 400 include a brake pad substrate and a brake pad friction part. The brake pad substrate provides support for the brake pads, and the brake pad friction part is connected to the brake disc. The brake pad friction part is the part that directly contacts the brake disc and generates frictional force. A control oil circuit is provided in the braking device. When the braking device is started, the brake oil builds pressure in the brake pipeline, the crankshaft transmission mechanism operates, and the driving component moves to compress the brake pads 400 to make them close to the brake disc 300. Since the brake disc 300 is rotating, the frictional force between the brake pads 400 and the brake disc 300 will increase rapidly, thereby generating a braking torque to decelerate and stop the rotation of the compressor main shaft.

[0042] The utility model adopts a mechanical disc brake device. Not only does the braking device respond quickly, capable of achieving high-frequency braking and rapid braking with balanced braking force, but also the structure of the disc brake is relatively simple and convenient to maintain. The brake pads and the brake disc are in close contact and generate frictional force through driving. The connection method not only ensures the stability and reliability of the braking system but also enables the braking process to be carried out quickly and effectively.

[0043] Furthermore, as a preferred embodiment of the utility model, a temperature sensor and a pressure sensor are connected to the control system 500. The temperature sensor and the pressure sensor are connected to the brake actuator. Through the monitoring of the temperature sensor and the pressure sensor, the utility model can monitor the temperature and pressure of the brake pads 400 in real time, promptly detect abnormal situations and handle them, further improving the safety performance of the compressor.

[0044] Furthermore, in this embodiment, as Figure 2 shown, the control system 500 controls the working state of the hydraulic cylinder according to the input signal. The control signal may come from the sensors of the equipment or the instructions from the operator. When braking, the control system 500 transmits an action signal, the hydraulic motor 1 stops outputting, and the brake pads 400 act. By reducing the gap and position with the brake disc 300 and adjusting the connection state of the connecting shaft, the adjustment and optimization of the braking effect are achieved; when the braking needs to be released, the control system 500 transmits an action signal, the hydraulic motor 1 starts, and the brake pads 400 act. By increasing the gap and position between the brake pads 400 and the brake disc 300, the braking is released.

[0045] The present utility model provides a braking device applied to a diaphragm compressor. The mechanical disc brake system is applied to the braking of the diaphragm compressor, and rapid braking is achieved through a mechanical structure. When the diaphragm compressor needs to brake, the electric actuator acts according to the signal of the switch to control the friction force of the brake pads 400. The control system 500 will drive the brake pads 400 to approach the brake disc 300 through the transmission mechanism 200 to achieve the friction force between the two. This friction force will generate a braking torque to stop the rotation of the compressor main shaft; when the friction force between the brake pads 400 and the brake disc 300 gradually decreases, the control system 500 will gradually move the brake pads 400 away through the transmission mechanism 200 to release the braking. When the rotational speed of the compressor reaches the preset value, the limit switch triggers the electric actuator to perform the braking action. At the same time, the temperature sensor and the pressure sensor monitor the temperature and pressure of the brake pads in real time. When an abnormal situation occurs, the safety protection mechanism will immediately handle it.

[0046] The braking system of the present utility model is simple and convenient, and realizes the extension of the service life of the braking system at the minimum manufacturing cost, thereby reducing the cost of replacement and maintenance. Moreover, the braking is reliable, the operation is safe, the braking performance and safety of the diaphragm compressor are improved, and the diaphragm compressor applied in a high-pressure environment maintains a stable and reliable braking effect.

[0047] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation to the present application.

[0048] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of this application, "a plurality of" means two or more unless otherwise specifically defined.

[0049] The above are only the preferred embodiments of this application and are not intended to limit this application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of this application shall be included within the protection scope of this application.

Claims

1. A braking device applied to a diaphragm compressor, comprising a driving mechanism, a brake execution mechanism and a transmission mechanism, characterized in that, The brake actuator includes a brake disc and brake pads. The brake disc is cooperatively connected with the brake pads, and the brake disc and the brake pads can rub against each other. The first end of the transmission mechanism is connected to the driving mechanism, and the second end of the transmission mechanism is connected to the brake disc.

2. The braking device for a diaphragm compressor according to claim 1, characterized in that, It further includes a control system. The control system includes an electric actuator and a limit switch. The control system drives the brake disc and the brake pads to rub against each other through the action of the transmission mechanism.

3. A braking device applied to a diaphragm compressor according to claim 2, characterized in that, The electric actuator is provided with a control chamber. The electric actuator controls and adjusts the control valve of the device, receives the control signal of the control system and converts it into mechanical motion, and the electric actuator cooperates with the limit switch to act.

4. A braking device for a diaphragm compressor according to claim 2, characterized in that, The control system is electrically connected to the transmission mechanism and the driving mechanism. The control system controls the actions of the transmission mechanism and the driving mechanism.

5. The braking device for a diaphragm compressor according to claim 2, characterized in that, A temperature sensor and a pressure sensor are connected to the control system. The temperature sensor and the pressure sensor are connected to the brake actuator.

6. The braking device for a diaphragm compressor according to claim 1, characterized in that, The brake disc is mounted on the main shaft of the compressor, and the brake pads are mounted on the compressor frame. The transmission mechanism drives the brake pads to approach or move away from the brake disc.

7. A braking device applied to a diaphragm compressor according to claim 6, characterized in that, The brake disc is of a metal disc structure and rotates synchronously with the main shaft of the compressor; when the braking device operates, the transmission mechanism drives the brake pads to move relative to the brake disc, realizing an increase or decrease in the frictional force between the brake pads and the brake disc.

8. The braking device for a diaphragm compressor according to claim 6, characterized in that, The brake pads include a brake pad substrate and a brake pad friction part. The brake pad substrate provides support for the brake pads, and the brake pad friction part is connected to the brake disc.

9. The braking device applied to a diaphragm compressor according to claim 1, characterized in that, The driving mechanism is provided with an output shaft. The driving mechanism is connected to the transmission mechanism through its output shaft to realize the transmission of rotational energy. The transmission mechanism is a crankshaft transmission mechanism.

10. A braking device applied to a diaphragm compressor according to claim 9, characterized in that, The driving mechanism includes a hydraulic motor.

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