CN214408447U

CN214408447U - Train brake hose connector wind water pressure test platform

Info

Publication number: CN214408447U
Application number: CN202120047598.5U
Authority: CN
Inventors: 于永志; 李伟; 李晓杰; 滕丕建
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2021-10-15
Anticipated expiration: 2031-01-08

Abstract

The utility model relates to a train brake hose check out test set technical field specifically discloses a train brake hose connector wind water pressure test bench, including brake hose connector, pressure cylinder, air compressor, PLC control cabinet, still include shell, water storage tank, hose clamping mechanism and invade water mechanism, the water storage tank is located the shell bottom, and clamping mechanism is located the shell top, and elevating system is located between water storage tank and the clamping mechanism, the utility model provides a traditional wind pressure test bench need adopt manual operation to plug up the screw thread end of brake hose connector, leads to inefficiency, problem that intensity of labour is big.

Description

Train brake hose connector wind water pressure test platform

Technical Field

The application relates to the technical field of train brake hose detection equipment, and particularly discloses a train brake hose connector wind and water pressure test bed.

Background

The quality of the brake hose connector is a necessary guarantee for the safety of railway trains, and the main failures of the brake hose connector are leakage and bulging. According to the test requirements of the passenger car brake hose in the general iron transport (2014)215, maintenance rules of air brake devices of passenger cars. The requirement of the iron general science and technology No. 2017 [ temporary technical conditions of 160 km/h power concentrated electric motor train unit ], a train brake hose connector needs to be subjected to wind pressure and water pressure tests, whether a leakage point exists in the hose connector is detected through a wind and water pressure test bed, the existing test bed is manually screwed on a thread at a threaded end of the hose connector through a plug, and the defects of low working efficiency, high labor intensity, incapability of recording test data and the like exist.

Therefore, the present invention provides a wind and water pressure test stand for a train brake hose connector to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve traditional wind pressure test bench and need adopt manual operation to plug up the screw thread end of braking hose connector, lead to inefficiency, problem that intensity of labour is big.

In order to achieve the aim, the basic scheme of the utility model provides a train brake hose connector wind and water pressure test bed, which comprises a brake hose connector, a pressure cylinder, an air compressor, a PLC console, a shell, a water storage tank, a hose clamping mechanism and a water intrusion mechanism, wherein the water storage tank is positioned at the bottom in the shell, the clamping mechanism is positioned at the top of the shell, and a lifting mechanism is positioned between the water storage tank and the clamping mechanism;

the water intrusion mechanism comprises a water tank and lifters symmetrically arranged on two sides of the inner wall of the shell, and lifting rods of the lifters are fixedly connected with the bottom of the water tank;

the hose clamping mechanism comprises a mounting part and a clamping part, the mounting part comprises a mounting pipe and a plurality of mounting heads which are arranged on the mounting pipe and communicated with the mounting pipe, openings are arranged on the mounting heads, and a three-way pipe for communicating the supercharger and the air compressor is arranged on the mounting pipe;

the clamping part comprises a concave bottom plate, an axial cylinder, a radial cylinder, joint holes corresponding to the installation head in position and quantity are formed in the inner wall, close to one side of the installation part, of the concave bottom plate, the axial cylinder is fixedly connected to the bottom plate, the number of the joint holes is equal to that of the axial cylinder, a clamping plate capable of being used for being matched with the joint holes to fix the joints of the braking hose connectors is fixedly connected to the telescopic rod of the axial cylinder, the radial cylinder corresponding to the joint holes in quantity and in position is arranged on the inner wall, away from one side of the installation part, of the concave bottom plate, rubber gaskets capable of being used for sealing the joints of the braking hose connectors are arranged on the telescopic rod of the radial cylinder, a pressure cylinder, an air compressor, a lifter, an overflow valve, the axial cylinder and a longitudinal cylinder are connected with a PLC control console.

The principle and effect of this basic scheme lie in:

1. compared with the prior art, the utility model discloses a motion of PLC controller control axial cylinder and radial cylinder seals the joint one end of braking hose connector, guarantees at the in-process of experiment, can not lead to experimental error because of revealing of joint end, has replaced traditional one end of screwing the end cap with the manual work and has sealed the braking hose connector.

2. Compared with the prior art, the utility model discloses an it detects hose clamping mechanism's gas tightness to invade water mechanism, highly carries out the lifting to the basin through the lift that invades in the water mechanism, makes the surface of water completely overflow the braking hose connector that will test, and is convenient, easy operation, replaced traditional needs manual work and put into the aquatic to the interface end of braking hose connector.

Furthermore, the two sides of the inner wall of the shell are both provided with sliding grooves, and the water tank is provided with pulleys capable of sliding in the sliding grooves. The lifting of basin of being convenient for reduces the frictional force of basin and shells inner wall.

Further, an overflow valve is arranged at the bottom of the water tank, and a telescopic hose is communicated between the overflow valve and the water storage tank. After the hydrostatic test is finished, the over-limit water in the water tank can flow into the water storage tank through the overflow valve.

Further, the shape of the joint hole is the same as the shape of the joint end of the hose connector. The connector of the brake hose connector is convenient to fix and cannot move and leak air in the experiment.

Furthermore, a leakage-proof gasket is arranged at the joint of the mounting head and the brake hose connector. The air tightness of the equipment in the experiment is ensured not to cause inaccurate experimental results due to the equipment.

Furthermore, a bearing which can lead the mounting head to rotate for 360 degrees is arranged in the mounting head. The installation angle can be conveniently adjusted when the installation head is connected with the brake hose connector.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 shows a top view of a train brake hose connector wind and water pressure test stand according to an embodiment of the present application;

FIG. 2 shows a side view of a train brake hose connector wind and water pressure test stand according to an embodiment of the present application;

FIG. 3 shows a schematic side view of A of FIG. 1;

fig. 4 shows a schematic diagram of a train brake hose connector wind and water pressure test stand according to an embodiment of the application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The following is further detailed by the specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a shell 1, a water storage tank 2, a lifter 3, a water tank 4, a mounting pipe 5, a mounting head 6, a concave bottom plate 7, an axial cylinder 8, a radial cylinder 9, a joint hole 10, a clamping plate 11, a rubber gasket 12, a pressure cylinder 13, a PLC (programmable logic controller) console 14, a hose 15, a chute 16 and a pulley 17.

An embodiment of a train brake hose connector wind and water pressure test stand is shown in fig. 1 and fig. 2 and comprises a brake hose 15 connector, a pressure cylinder 13, an air compressor, a PLCPLC console 14, a shell 1, a water storage tank 2, a hose 15 clamping mechanism and a water intrusion mechanism, wherein the water storage tank 2 is positioned at the bottom in the shell 1, the clamping mechanism is positioned at the top of the shell 1, and a lifter 3 mechanism is positioned between the water storage tank 2 and the clamping mechanism;

the water intrusion mechanism comprises a water tank 4 and lifters 3 symmetrically arranged on two sides of the inner wall of the shell, a lifting rod of each lifter 3 is fixedly connected with the bottom of the water tank 4, an overflow valve is arranged at the bottom of the water tank 4, a telescopic hose 15 is communicated between the overflow valve and a water storage tank and used for enabling the over-limit water amount in the water tank 4 to flow into the water storage tank 2 through the overflow valve after a water pressure test, sliding grooves 16 are formed in the left side and the right side of the inner wall of the shell 1, and pulleys 17 capable of sliding in the sliding grooves 16 are arranged on the water tank 4;

the hose 15 clamping mechanism comprises a mounting part and a clamping part, the mounting part comprises a mounting pipe 5 and a plurality of mounting heads 6 which are arranged on the mounting pipe 5 and communicated with the mounting pipe 5, openings are formed in the mounting heads 6 so that gas or water can enter the connector of the brake hose 15 from the openings during experiments, and a three-way pipe for communicating a supercharger and an air compressor is arranged on the mounting pipe 5;

the clamping part comprises a concave bottom plate 7, an axial cylinder 8 and radial cylinders 9, joint holes 10 with the positions and the number corresponding to that of the mounting head 6 are arranged on the inner wall of the left side of the concave bottom plate 7, the shape of the joint holes 10 is the same as that of the joint end of the hose 15 connector, the axial cylinders 8 are fixedly connected on the bottom plate and the number of the joint holes 10 is the same, a clamping plate 11 which can be used for fixing the connector joint of the brake hose 15 in a manner of matching with the joint holes 10 is fixedly connected on the telescopic rod of the axial cylinder 8, the radial cylinders 9 with the number equal to that of the joint holes 10 and the positions corresponding to that of the joint holes 10 are arranged on the inner wall of the right side of the concave bottom plate 7, rubber gaskets 12 which can be used for sealing the connector joint of the brake hose 15 are arranged on the telescopic rod of the radial cylinders 9, leakproof gaskets are arranged at the joints of the hose 15 clamping mechanism and the connector of the brake hose 15, a pressurizing cylinder 13, an air compressor and a lifter 3, The overflow valve, the axial cylinder 8 and the longitudinal cylinder are all connected with a PLC console 14.

The method comprises the following specific implementation steps: firstly, a brake hose 15 connector is installed on a test bed, one end of a connector body of the brake hose 15 connector is matched and installed with an installing head 6 of an installing part, one end of a joint of the brake hose 15 connector is placed in a joint hole 10, then an axial cylinder 8 is controlled by a PLC (programmable logic controller) console 14, a clamping plate 11 installed on an expansion rod of the axial cylinder 8 is matched with the joint hole 10 to fix one end of the joint of the brake hose 15 connector, then a radial cylinder 9 is controlled, a rubber gasket 12 used for sealing the joint of the brake hose 15 connector is arranged on the expansion rod of the radial cylinder 9 to seal the joint of the brake hose 15 connector, the air leakage or water leakage of the joint end of the brake hose 15 connector in the experiment process is prevented, the experiment data is enabled to generate errors, after the sealing and the fixing are completed, the PLC console 14 controls an air compressor to convey 0.6MPa of compressed air into an installing pipe 5, the brake hose 15 connector enters the brake hose 15 connector through an opening on the mounting head 6, a start button is clicked on a touch control screen of the LPC control cabinet, the elevator 3 drives the water tank 4 to ascend upwards, the water surface in the water tank 4 overflows the brake hose 15 connector to be detected, pressure maintaining and leakage detection are carried out for 5 minutes, data are recorded by the system, an operator observes whether leakage occurs or the hose 15 bulges, the brake hose 15 connector with the leakage occurs is unqualified, after the air pressure test is finished, the elevator 3 drives the water tank 4 to descend, the test piece is separated from the water tank 4, gas in the system and the test piece is discharged, after the gas is discharged, compressed air enters the water storage tank 2, water is pressed into the brake hose 15 connector and in front of water in the pressurization cylinder 13, and when the pressure reaches 0.5MPa, a one-way pressure sequence valve in the device is opened to supply gas to the pressurization cylinder, push water piston pressure boost, when test piece water pressure reaches 1MPa, pressurize 2 minutes after, the system records data, the relief pressure valve is opened, when system pressure drops to 0.02MPa, unclamp the fixed of the joint end of brake hose 15 connector with tight with the clamp of radial cylinder 9 and axial cylinder 8, PLC control console 14 control opens the overflow valve simultaneously, make the ultralimit water yield in the basin 4 flow into water storage tank 2 through the overflow valve, this test condition is accomplished, the data of record in the printer print system experiment.

The utility model provides a traditional wind pressure test bench adopt the artifical problem of plugging up the screw thread end of braking hose connector with the end cap.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims

1. A train brake hose connector wind and water pressure test stand comprises a brake hose connector, a pressure cylinder, an air compressor, a PLC (programmable logic controller) console and is characterized by further comprising a shell, a water storage tank, a hose clamping mechanism and a water intrusion mechanism, wherein the water storage tank is positioned at the bottom in the shell, the clamping mechanism is positioned at the top of the shell, and a lifting mechanism is positioned between the water storage tank and the clamping mechanism;

2. The wind and water pressure test bed for the train brake hose connector according to claim 1, wherein sliding grooves are formed in two sides of the inner wall of the shell, and pulleys capable of sliding in the sliding grooves are arranged on the water tank.

3. The train brake hose connector wind and water pressure test stand as claimed in claim 1, wherein an overflow valve is arranged at the bottom of the water tank, and a telescopic hose is communicated between the overflow valve and the water storage tank.

4. The train brake hose connector wind and water pressure test stand of claim 1, wherein the shape of the connector hole is the same as the shape of the connector end of the hose connector.

5. The train brake hose connector wind and water pressure test stand of claim 1, wherein a leak-proof gasket is arranged at the joint of the mounting head and the brake hose connector.

6. The wind and water pressure test stand for the brake hose connector of the train as claimed in claim 5, wherein the mounting head is provided with a bearing for allowing the mounting head to rotate 360 degrees.