Ferrule type connector for locomotive braking system

Abstract

The utility model relates to the technical field of locomotive brake connectors, in particular to a ferrule type connector of a locomotive brake system, which filters oil passing through a body pipe through a lifting device. Impurities filtered out in the lifting device are cleaned through the cleaning device, the equipment can conveniently and automatically filter oil through the auxiliary device, and the practicability of the equipment is improved; comprising a body pipe, connecting grooves, steel pipes, clamping sleeves and clamping sleeve nuts, the connecting grooves are formed in the front end and the rear end of the body pipe respectively, one end of each steel pipe can be inserted into the corresponding connecting groove, the clamping sleeves are placed in the two ends of the body pipe, and the clamping sleeve nuts are connected with the body pipe through threads; comprising a lifting device, a cleaning device and an auxiliary device, the lifting device is installed on a body pipe, the cleaning device is installed on the lifting device, and the auxiliary device is installed on the lifting device.

Description

Technical Field

[0001] The utility model relates to the technical field of locomotive brake connection joints, in particular to a locomotive brake system ferrule type connection joint. Background Art

[0002] Today's locomotive brakes usually use ferrule type joints for connection. Ferrule type joints have the characteristics of high reliability, maintenance-free, long service life, good shock resistance, etc. They meet the performance requirements of the locomotive and can ensure the safe operation of the entire locomotive vehicle. Ferrule type joints use ferrule type joint assembly method, which is simpler to connect pipes than traditional welding combination and tapered thread combination method, which can reduce the resistance of pipes during assembly and improve assembly efficiency.

[0003] The Chinese utility model patent with application number CN201920492020.3 in the prior art relates to a universal pipe ferrule-type joint assembly, including a sealing ring, an annular groove, a locking ring, etc., which can reduce the impact of pipeline water hammer on the pipeline interface.

[0004] However, in actual use of the above device, impurities in the brake oil will affect the braking effect, and the oil needs to be filtered and replaced regularly. The brake end and the oil supply are both inside the equipment, and the filtering process requires the operator to disassemble the locomotive, which increases the labor intensity of the operator. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a locomotive brake system ferrule type connecting joint which filters the oil passing through the main body tube through a lifting device; cleans the filtered impurities in the lifting device through a cleaning device, and facilitates the equipment to automatically filter the oil through an auxiliary device, thereby improving the practicality of the device.

[0006] The utility model discloses a ferrule type connecting joint for a locomotive brake system, comprising a main body pipe, a connecting groove, a steel pipe, a ferrule and a ferrule nut, wherein a group of connecting grooves are respectively arranged inside the front and rear ends of the main body pipe, one end of the steel pipe can be inserted into the connecting groove, ferrules are placed inside both ends of the main body pipe, and the ferrule nut is connected to the main body pipe through a thread; the utility model comprises a lifting device, a cleaning device and an auxiliary device, wherein the lifting device is mounted on the main body pipe, the cleaning device is mounted on the lifting device, and the auxiliary device is mounted on the lifting device; the lifting device is used to filter the oil passing through the main body pipe; the cleaning device is used to clean the filtered impurities in the lifting device, and the auxiliary device is used to facilitate the equipment to automatically filter the oil, thereby improving the practicality of the device.

[0007] Preferably, it also includes raised blocks, and multiple groups of raised blocks are arranged on the side of the ferrule nut; the multiple groups of raised blocks on the side of the ferrule nut make it convenient for the operator to use tools to rotate the ferrule nut, reduce the slippage of the tool during the rotation process, and facilitate manual rotation of the ferrule nut, thereby improving the practicality of the device.

[0008] Preferably, the lifting device includes a cleaning box, an electric cylinder, a filter frame and a filter screen. A cleaning box is installed on the lower end surface of the middle part of the main body tube, and the cleaning box is connected to the inside of the main body tube. An electric cylinder is installed on the lower end surface of the cleaning box. The movable end of the electric cylinder passes through the lower end surface of the cleaning box and extends to the inside of the cleaning box and is connected to the filter frame. A filter screen is installed on the upper part of the filter frame. The upper part of the filter frame is pushed into the main body tube by controlling the extension of the electric cylinder, so that the oil passing through the main body tube is filtered through the filter screen, thereby reducing the labor intensity of the operator.

[0009] Preferably, it also includes a pressure switch. The pressure switch is installed on the upper end surface of the main body tube, and the sensing end of the pressure switch extends through the upper end surface of the main body tube to the top of the main body tube; the pressure between the filter frame and the top of the main body tube is monitored by the pressure switch. When the pressure is greater than the set value, the pressure switch controls the electric cylinder to stop extending, thereby preventing equipment damage and improving the practicability of the device.

[0010] Preferably, the cleaning device includes a cleaning bin, a circular hole, a high-pressure pipe and a first solenoid valve. A cleaning bin is provided in the upper inner part of the filter frame. Two groups of filter screens are respectively located on the left and right sides of the cleaning bin and are connected to the cleaning bin. A circular hole is provided on the front end surface of the filter frame. A high-pressure pipe is connected to the front end surface of the cleaning box. The output end of the high-pressure pipe extends through the front end surface of the cleaning box to the inside of the cleaning box. A first solenoid valve is installed on the high-pressure pipe. The electric cylinder is controlled to contract so that the filter frame falls until the output end of the high-pressure pipe is aligned with the circular hole. Then, the first solenoid valve is opened to allow external high-pressure oil to rush into the cleaning bin, and impurities on the filter screens on both sides are flushed into the inside of the cleaning box, thereby improving the practicability of the device.

[0011] Preferably, it also includes an arcuate surface and a second solenoid valve. The front of the lower end surface in the cleaning box is provided with an arcuate surface, the rear of the lower end surface in the cleaning box is provided with a sewage outlet, and the second solenoid valve is installed on the sewage outlet; the arcuate surface allows the dirt to slide to the rear of the cleaning box, thereby reducing the residual dirt in the cleaning box during the sewage discharge process. Opening the second solenoid valve facilitates the discharge of the dirt in the cleaning box, thereby reducing the difficulty of sewage discharge and improving the practicability of the device.

[0012] Preferably, the auxiliary device includes a PLC controller, a battery, a glass observation window and scale lines. The PLC controller and the glass observation window are installed on the front face of the cleaning box, the battery is installed on the rear face of the cleaning box, and scale lines are engraved on the side of the glass observation window; the glass observation window and the scale lines are convenient for operators to observe the accumulation of dirt in the cleaning box, the switches of all electrical appliances of the equipment are controlled by the PLC controller, and the equipment is provided with temporary power by the battery, so that the device has the ability to be used when the power is off, thereby improving the practicality of the device

[0013] Compared with the prior art, the utility model has the following beneficial effects: the oil passing through the main body tube is filtered by the lifting device; the filtered impurities in the lifting device are cleaned by the cleaning device; the auxiliary device facilitates the equipment to automatically filter the oil, thereby improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a first axonometric structural schematic diagram of the utility model;

[0015] Figure 2 It is a second axonometric structural schematic diagram of the utility model;

[0016] Figure 3 It is a schematic diagram of the first cross-sectional structure of the utility model;

[0017] Figure 4 It is a second cross-sectional structural schematic diagram of the utility model;

[0018] Figure 5 It is a partial enlarged structural schematic diagram of the utility model;

[0019] Markings in the attached figure: 1. Main body tube; 2. Connecting groove; 3. Steel pipe; 4. Ferrule; 5. Ferrule nut; 6. Raised block; 7. Cleaning box; 8. Electric cylinder; 9. Filter rack; 10. Filter screen; 11. Pressure switch; 12. Cleaning chamber; 13. Circular hole; 14. High-pressure pipe; 15. First solenoid valve; 16. Arc surface; 17. Second solenoid valve; 18. PLC controller; 19. Battery; 20. Glass observation window; 21. Scale line. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] Example

[0022] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 The lifting device shown is installed on the main body tube 1, the cleaning device is installed on the lifting device, and the auxiliary device is installed on the lifting device;

[0023] First, insert the steel pipe 3 into the connecting groove 2, then place the ferrule 4 between the main body pipe 1 and the steel pipe 3, then turn the ferrule nut 5 to push the ferrule 4 to clamp the steel pipe 3 in the main body pipe 1 to complete the connection, and then control the extension of the electric cylinder 8 to push the upper part of the filter frame 9 into the main body pipe 1 during regular maintenance, so that the oil passing through the main body pipe 1 is filtered through the filter screen 10, and after the filtering is completed, the electric cylinder 8 is controlled to contract so that the filter frame 9 falls to the output end of the high-pressure pipe 14 and is aligned with the circular hole 13, and then the first solenoid valve 15 is opened to allow the external high-pressure oil to rush into the cleaning bin 12, and the impurities on the filter screens 10 on both sides are flushed into the cleaning box 7;

[0024] It also includes a protruding block 6, and a plurality of groups of protruding blocks 6 are arranged on the side of the ferrule nut 5;

[0025] The lifting device includes a cleaning box 7, an electric cylinder 8, a filter frame 9 and a filter screen 10. The cleaning box 7 is installed on the lower end surface of the middle part of the main body tube 1. The cleaning box 7 is connected to the inside of the main body tube 1. The electric cylinder 8 is installed on the lower end surface of the cleaning box 7. The moving end of the electric cylinder 8 passes through the lower end surface of the cleaning box 7 and extends to the inside of the cleaning box 7 and is connected to the filter frame 9. The filter screen 10 is installed on the upper part of the filter frame 9.

[0026] It also includes a pressure switch 11. The pressure switch 11 is installed on the upper end surface of the main body tube 1. The sensing end of the pressure switch 11 passes through the upper end surface of the main body tube 1 and extends to the top of the main body tube 1.

[0027] The cleaning device includes a cleaning chamber 12, a circular hole 13, a high-pressure pipe 14 and a first solenoid valve 15. The cleaning chamber 12 is arranged at the upper part of the filter frame 9. Two groups of filter screens 10 are respectively located on the left and right sides of the cleaning chamber 12 and are connected to the cleaning chamber 12. A circular hole 13 is opened on the front end surface of the filter frame 9. The front end surface of the cleaning box 7 is connected with a high-pressure pipe 14. The output end of the high-pressure pipe 14 passes through the front end surface of the cleaning box 7 and extends to the inside of the cleaning box 7. The first solenoid valve 15 is installed on the high-pressure pipe.

[0028] It also includes an arc surface 16 and a second solenoid valve 17. The front of the lower end surface of the cleaning box 7 is provided with an arc surface 16. The rear of the lower end surface of the cleaning box 7 is provided with a sewage outlet, and the second solenoid valve 17 is installed on the sewage outlet;

[0029] The oil passing through the main body pipe 1 is filtered by the lifting device; the impurities filtered out in the lifting device are cleaned by the cleaning device, and the auxiliary device facilitates the equipment to automatically filter the oil, thereby improving the practicability of the device.

[0030] The pressure switch 11, battery 19, PLC controller 18, electric cylinder 8, second solenoid valve 17 and first solenoid valve 15 of the ferrule type connecting joint of a locomotive brake system of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for creative labor by technicians in this field.

[0031] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A ferrule-type connecting joint for a locomotive brake system, comprising a body tube (1), a connecting groove (2), a steel tube (3), a ferrule (4) and a ferrule nut (5); It is characterized in that The utility model also comprises a lifting device, a cleaning device and an auxiliary device. The lifting device is mounted on the main body tube (1), the cleaning device is mounted on the lifting device, and the auxiliary device is mounted on the lifting device. The lifting device comprises a cleaning box (7), an electric cylinder (8), a filter frame (9) and a filter screen (10). The cleaning box (7) is mounted on the lower end surface of the middle part of the main body tube (1). The cleaning box (7) is communicated with the inside of the main body tube (1). The electric cylinder (8) is mounted on the lower end surface of the cleaning box (7). The movable end of the electric cylinder (8) passes through the lower end surface of the cleaning box (7) and extends to the inside of the cleaning box (7) and is connected to the filter frame (9). The filter screen (10) is mounted on the upper part of the filter frame (9). The cleaning device comprises a cleaning chamber (12), a circular hole (13), a high-pressure pipe (14) and a first electromagnetic valve (15). The upper part of the filter frame (9) is A cleaning chamber (12) is provided, two groups of filter screens (10) are respectively located on the left and right sides of the cleaning chamber (12) and are connected to the cleaning chamber (12), a circular hole (13) is opened on the front end surface of the filter frame (9), a high-pressure pipe (14) is connected to the front end surface of the cleaning box (7), the output end of the high-pressure pipe (14) passes through the front end surface of the cleaning box (7) and extends to the inside of the cleaning box (7), and a first solenoid valve (15) is installed on the high-pressure pipe; the auxiliary device comprises a PLC controller (18), a battery (19), a glass observation window (20) and a scale line (21), the front end surface of the cleaning box (7) is installed with the PLC controller (18) and the glass observation window (20), the rear end surface of the cleaning box (7) is installed with the battery (19), and the side surface of the glass observation window (20) is engraved with a scale line (21).

2. A locomotive brake system ferrule type connection joint as claimed in claim 1, It is characterized in that It also includes raised blocks (6), and a plurality of groups of raised blocks (6) are arranged on the side surface of the ferrule nut (5).

3. A locomotive brake system ferrule type connection joint as claimed in claim 1, It is characterized in that It also includes a pressure switch (11). The pressure switch (11) is installed on the upper end surface of the main body tube (1). The sensing end of the pressure switch (11) passes through the upper end surface of the main body tube (1) and extends to the top of the main body tube (1).

4. A locomotive brake system ferrule type connection joint as claimed in claim 1, It is characterized in that It also comprises an arcuate surface (16) and a second solenoid valve (17). The front part of the lower end surface of the cleaning box (7) is provided with an arcuate surface (16). The rear part of the lower end surface of the cleaning box (7) is provided with a sewage outlet, and the second solenoid valve (17) is installed on the sewage outlet.

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