Brake cylinder

Abstract

The invention discloses a brake cylinder, which belongs to the technical field of cylinders, and has the technical key points that the brake cylinder comprises a cylinder barrel, a front end cover and a rear end cover are respectively arranged at the front end and the rear end of the cylinder barrel, an inner piston is arranged in the cylinder barrel, a piston rod is fixedly connected in the inner piston, the top end of the piston rod penetrates through the front end cover, and a brake mechanism is arranged at the top of the front end cover. The buffering throttle valve is used for controlling flowing of gas, then the controller controls action of the actuator according to a detection result of the magnetic sensor so as to achieve an energy-saving working mode of the brake air cylinder, meanwhile, friction between the inner piston and the inner wall of the cylinder barrel is reduced through the abrasion-resistant coating, energy saving is facilitated, and the service life of the brake air cylinder is prolonged. And the working temperature of the brake air cylinder during working is monitored in real time through the temperature sensor, heat dissipation treatment can be effectively conducted on the temperature generated during working of the brake air cylinder through the heat dissipation fins, and therefore the service life of the brake air cylinder is effectively prolonged.

Description

Technical Field

[0001] The invention belongs to the technical field of cylinders, and in particular relates to a brake cylinder. Background Art

[0002] A brake cylinder is required to realize braking operation when the workover rig is in use. During operation, the existing brake cylinder will cause large energy loss and affect the braking effect due to the friction between the piston and the inner wall of the cylinder body and poor sealing performance.

[0003] In addition, after long-term use, the existing brake cylinder is prone to wear, leakage and other problems, resulting in reduced braking performance. At the same time, the brake cylinder will overheat when working for a long time, thereby affecting the service life of the brake cylinder. For this reason, we propose a brake cylinder to solve the above problems. Summary of the invention

[0004] The object of the present invention is to provide a brake cylinder to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] The brake cylinder comprises a cylinder barrel, the front end and rear end of the cylinder barrel are respectively provided with a front end cover and a rear end cover, an inner piston is provided in the cylinder barrel, a piston rod is fixedly connected to the interior of the inner piston, and the top end of the piston rod passes through the front end cover, a brake mechanism is provided on the top of the front end cover, and an intelligent control system for controlling the working state of the cylinder and a temperature control unit for monitoring the working state of the cylinder are provided on one side of the cylinder barrel.

[0007] Preferably, one side of the front cover and the rear cover is provided with an air port, and a guide sealing sleeve is provided between the front cover and the piston rod.

[0008] Preferably, the intelligent control system includes two magnetic sensors, which are respectively fixedly connected to one side of the cylinder barrel, and buffer throttle valves are provided in the air ports opened in the front cover and the rear cover.

[0009] Preferably, the inner wall of the cylinder is provided with a wear-resistant coating to reduce the friction between the inner piston and the inner wall of the cylinder.

[0010] Preferably, the temperature control unit comprises a plurality of groups of heat dissipating fins, and the plurality of heat dissipating fins are detachably mounted on the outer wall of the cylinder by screws, and a temperature sensor is provided on one side of the cylinder.

[0011] Preferably, the braking mechanism includes an upper clamping seat, which is fixedly connected to the top of the front end cover, a rotating frame is hinged on one side of the upper clamping seat, and the rotating frame contacts the top of the piston rod, a lower clamping seat is hinged on the top of the rotating frame, and friction plates are provided at the corresponding positions of the lower clamping seat and the upper clamping seat.

[0012] Compared with the prior art, the beneficial effects of the present invention are: a buffer throttle valve is used to control the flow of gas, and then the controller controls the action of the actuator according to the detection result of the magnetic sensor to realize the energy-saving working mode of the brake cylinder. At the same time, the inner wall of the cylinder is provided with a wear-resistant coating to reduce the friction between the inner piston and the inner wall of the cylinder, which is also beneficial to energy saving. Then, the rotating frame is subjected to force and rotated by the lifting and rising of the piston rod, so that the lower clamp seat and the upper clamp seat are closed when the rotating frame rotates, and braking is performed by the friction plate. The working temperature of the brake cylinder is monitored in real time by the temperature sensor, and an alarm is sounded when the temperature is too high. The temperature generated by the working of the brake cylinder can be effectively dissipated by the heat dissipation fins, thereby effectively improving the service life of the brake cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a front perspective view of the present invention;

[0014] Figure 2 It is a rear perspective view of the present invention;

[0015] Figure 3 It is a partial cross-sectional view of the present invention.

[0016] In the figure: 1. rotating frame; 2. magnetic sensor; 3. temperature sensor; 4. cylinder barrel; 5. rear end cover; 6. front end cover; 7. lower clamping seat; 8. friction plate; 9. upper clamping seat; 10. cooling fin; 11. piston rod; 12. guide sealing sleeve; 13. buffer throttle valve; 14. air port; 15. inner piston. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] See also Figure 1-Figure 3The present invention provides a brake cylinder, including a cylinder barrel 4, a front end cover 6 and a rear end cover 5 are respectively provided at the front and rear ends of the cylinder barrel 4, an inner piston 15 is provided in the cylinder barrel 4, a piston rod 11 is fixed to the interior of the inner piston 15 by bolts, and the top end of the piston rod 11 passes through the front end cover 6, a brake mechanism is provided on the top of the front end cover 6, an intelligent control system for controlling the working state of the cylinder and a temperature control unit for monitoring the working state of the cylinder are provided on one side of the cylinder barrel 4, an air port 14 is opened on one side of the front end cover 6 and the rear end cover 5, and a guide sealing sleeve 12 is provided between the front end cover 6 and the piston rod 11.

[0019] In this embodiment, the intelligent control system includes two magnetic sensors 2, which are respectively fixed on one side of the cylinder 4 by bolts. A buffer throttle valve 13 is provided in the air port 14 opened in the front cover 6 and the rear cover 5. The buffer throttle valve 13 is used to control the flow of gas. Then the controller controls the action of the actuator according to the detection result of the magnetic sensor 2 to realize the energy-saving working mode of the brake cylinder.

[0020] In this embodiment, the inner wall of the cylinder 4 is provided with a wear-resistant coating to reduce the friction between the inner piston 15 and the inner wall of the cylinder 4, which is also beneficial to energy saving.

[0021] In this embodiment, the temperature control unit includes a plurality of groups of heat dissipating fins 10, and the plurality of heat dissipating fins 10 are detachably mounted on the outer wall of the cylinder 4 by screws. A temperature sensor 3 is provided on one side of the cylinder 4. The temperature sensor 3 monitors the working temperature of the brake cylinder in real time during operation, and an alarm is sounded when the temperature is too high. The heat dissipating fins 10 can effectively dissipate the temperature generated by the operation of the brake cylinder, thereby effectively improving the service life of the brake cylinder.

[0022] In this embodiment, the braking mechanism includes an upper clamping seat 9, which is fixed to the top of the front end cover 6 by bolts. A rotating frame 1 is hinged on one side of the upper clamping seat 9, and the rotating frame 1 is in contact with the top of the piston rod 11. A lower clamping seat 7 is hinged on the top of the rotating frame 1. Friction plates 8 are provided at the corresponding positions of the lower clamping seat 7 and the upper clamping seat 9. The piston rod 11 is lifted up to make the rotating frame 1 subjected to force and rotate, so that the lower clamping seat 7 and the upper clamping seat 9 are closed when the rotating frame 1 rotates, and braking is performed by the friction plate 8.

[0023] The working principle and use process of the present invention are as follows: the buffer throttle valve 13 is used to control the flow of gas, and then the controller controls the action of the actuator according to the detection result of the magnetic sensor 2 to realize the energy-saving working mode of the brake cylinder. At the same time, the inner wall of the cylinder 4 is provided with a wear-resistant coating to reduce the friction between the inner piston 15 and the inner wall of the cylinder 4, which is also beneficial to energy saving. Then, the rotating frame 1 is subjected to force and rotated by the lifting and rising of the piston rod 11, so that the lower clamp seat 7 and the upper clamp seat 9 are closed when the rotating frame 1 rotates, and the friction plate 8 is used for braking. The working temperature of the brake cylinder is monitored in real time by the temperature sensor 3, and an alarm is sounded when the temperature is too high. The heat dissipation fins 10 can effectively dissipate the temperature generated by the operation of the brake cylinder, thereby effectively improving the service life of the brake cylinder.

[0024] The electronic components and modules used in the invention can be parts commonly used in the market and can realize the specific functions in this case, and the specific models and sizes can be selected and adjusted according to actual needs.

[0025] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A brake cylinder, comprising a cylinder barrel (4), wherein the front end and the rear end of the cylinder barrel (4) are respectively provided with a front end cover (6) and a rear end cover (5), wherein: An inner piston (15) is provided in the cylinder barrel (4), a piston rod (11) is fixedly connected to the interior of the inner piston (15), and the top end of the piston rod (11) passes through the front end cover (6), a brake mechanism is provided on the top of the front end cover (6), and an intelligent control system for controlling the working state of the cylinder and a temperature control unit for monitoring the working state of the cylinder are provided on one side of the cylinder barrel (4).

2. The brake cylinder according to claim 1, characterized in that: A gas port (14) is provided on one side of the front end cover (6) and the rear end cover (5), and a guide sealing sleeve (12) is provided between the front end cover (6) and the piston rod (11).

3. The brake cylinder according to claim 2, characterized in that: The intelligent control system comprises two magnetic sensors (2), the two magnetic sensors (2) are respectively fixedly connected to one side of the cylinder barrel (4), and a buffer throttle valve (13) is provided in the air port (14) opened in the front cover (6) and the rear cover (5).

4. The brake cylinder according to claim 1, characterized in that: The inner wall of the cylinder (4) is provided with a wear-resistant coating to reduce the friction between the inner piston (15) and the inner wall of the cylinder (4).

5. The brake cylinder according to claim 1, characterized in that: The temperature control unit comprises a plurality of groups of heat dissipation fins (10), wherein the plurality of heat dissipation fins (10) are detachably mounted on the outer wall of a cylinder barrel (4) by means of screws, and a temperature sensor (3) is provided on one side of the cylinder barrel (4).

6. The brake cylinder according to claim 1, characterized in that: The braking mechanism comprises an upper clamping seat (9), which is fixedly connected to the top of the front end cover (6); a rotating frame (1) is hinged on one side of the upper clamping seat (9), and the rotating frame (1) is in contact with the top of the piston rod (11); a lower clamping seat (7) is hinged on the top of the rotating frame (1); and friction plates (8) are provided at positions corresponding to the lower clamping seat (7) and the upper clamping seat (9).

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