Hydraulic support sealing performance test device

Abstract

The utility model relates to the technical field of hydraulic support testing, and discloses a hydraulic support sealing performance testing device, which comprises a sealing performance testing cabin, the front surface of the sealing performance testing cabin is rotatably connected with a cabin door, and the inner wall of the cabin door is fixedly provided with an observation window; the environment temperature simulation mechanism is arranged at the top of the sealing performance test cabin, and the environment temperature simulation mechanism is used for controlling the temperature in the inner cavity of the sealing performance test cabin. According to the utility model, through the overall design of the environment temperature simulation mechanism, the blades can be driven to rotate through the work of the driving motor, and then air in the inner cavity of the sealing performance test cabin is driven to pass through the connecting cover to flow, and in the process, the air can be heated by the heating device, and the air temperature is controlled in cooperation with the temperature sensor; therefore, the function of simulating the high-temperature use environment is realized, the tested hydraulic support can be rapidly heated, and the accuracy and efficiency of the sealing performance test are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic support test technical field, specifically, relate to a kind of hydraulic support sealing performance test device. BACKGROUND

[0002] Hydraulic support is with high-pressure liquid as power, by the coal mine downhole supporting equipment of hydraulic component and metal structural member, its core function includes control coal face roof pressure, isolate gangue of goaf, maintain safety operating space and push away face conveyor etc. Through roof beam, column and other components are transmitted to the bottom plate, and the height and strength of support are adjusted using hydraulic system, dynamic balance is realized, with high safety, high efficiency and adaptability.

[0003] Hydraulic support needs to test the sealing performance of hydraulic support rod in the process of production test. The existing sealing performance test device does not have the function of simulating high temperature environment, the leakage risk of hydraulic support in high temperature environment relative to room temperature is more significant, the comprehensive influence of high temperature on the stability of sealing element and metal part is more direct and extensive, and the hydraulic support that passes the test at room temperature is still prone to sealing failure when used in high temperature environment, which affects the stability of its work. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of hydraulic support sealing performance test device, solve the problem of not having the function of simulating high temperature environment in prior art.

[0005] The utility model provides the following technical scheme: a kind of hydraulic support sealing performance test device, comprising:

[0006] Sealing performance test cabin, the front of the sealing performance test cabin is rotatably connected with cabin door, and the inner wall of the cabin door is fixedly installed with observation window;

[0007] Environment temperature simulation mechanism, the environment temperature simulation mechanism is arranged at the top of sealing performance test cabin, and the environment temperature simulation mechanism is used to control the temperature in the cavity of sealing performance test cabin;

[0008] Sealing performance test mechanism, the sealing performance test mechanism is arranged on sealing performance test cabin, and the sealing performance test mechanism is used to carry out sealing performance test to the hydraulic support inside sealing performance test cabin.

[0009] As the preferred technical scheme, the environment temperature simulation mechanism includes cabin top plate, the cabin top plate is fixedly installed at the top of sealing performance test cabin, the top of the cabin top plate is fixedly installed with driving motor, the output shaft of the driving motor extends to the bottom of cabin top plate and is fixedly connected with rotating shaft, and the outer wall of the rotating shaft is fixedly installed with blade.

[0010] Through the technical scheme, the air can be driven to flow on the surface of the measured object through the design of the driving motor and the blade, and the efficiency of warming the measured object is improved.

[0011] As a preferred form of the above technical scheme, the bottom of the cabin top plate is fixedly provided with a supporting leg, the bottom of the supporting leg is fixedly provided with a connecting cover, and the bottom of the connecting cover is detachably connected with a supporting ring seat.

[0012] Through the connecting relationship between the connecting cover and the supporting ring seat, the user can conveniently disassemble and maintain the heating device.

[0013] As a preferred form of the above technical scheme, the top of the supporting ring seat is fixedly provided with a heating device, and the bottom of the cabin top plate is fixedly provided with a temperature sensor.

[0014] Through the design of the heating device and the temperature sensor, the air temperature inside the sealing performance test cabin can be conveniently controlled.

[0015] As a preferred form of the above technical scheme, the sealing performance test mechanism comprises a test pipeline and an air pump, the test pipeline is fixedly installed on the front face of the sealing performance test cabin, the left side of the test pipeline is fixedly connected with a branch pipe, one end of the branch pipe away from the test pipeline extends into the inner cavity of the sealing performance test cabin and is threadedly connected with a connecting hose, and the middle part of the branch pipe is fixedly connected with a branch valve located on the front face of the sealing performance test cabin.

[0016] Through the design of the branch pipe and the branch valve, the hydraulic support containing different numbers of interfaces can be conveniently connected.

[0017] As a preferred form of the above technical scheme, the front face of the test pipeline is fixedly connected with a digital air pressure gauge, the front face of the test pipeline is fixedly connected with a main valve, the air pump is fixedly installed on the front face of the sealing performance test cabin, and the output pipe of the air pump is fixedly connected with the side face of the test pipeline.

[0018] Through the cooperation of the digital air pressure gauge and the air pump, the sealing performance test can be conveniently performed.

[0019] As a preferred form of the above technical scheme, the sealing performance test mechanism further comprises heat-insulating glass, the heat-insulating glass is fixedly installed on the inner wall of the side face of the sealing performance test cabin, the side face of the heat-insulating glass is fixedly provided with a connecting cylinder, one end of the connecting cylinder away from the heat-insulating glass is fixedly provided with a supporting block, and the side face of the supporting block is fixedly provided with an illuminating lamp located in the inner cavity of the connecting cylinder.

[0020] Through the design of the illuminating lamp, the brightness inside the sealing performance test cabin can be increased, and the test operation is facilitated.

[0021] Compared with the prior art, the utility model has the advantages of:

[0022] The utility model discloses a whole design through environmental temperature simulation mechanism, and the air in the sealing performance test cabin inner chamber is driven to flow through the connecting cover by the rotation of the blade driven by the driving motor, in the process, the air can be heated by the heating device, and the air temperature is controlled by the temperature sensor, that is, the function of simulating high-temperature use environment is realized, and the measured hydraulic support can be rapidly heated and treated, and the accuracy and efficiency of the sealing performance test are improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the perspective view of the utility model;

[0024] Figure 2 It is the cut open structure schematic view of cabin top plate and connecting cover of the utility model;

[0025] Figure 3 It is the structure schematic view of test pipeline of the utility model;

[0026] Figure 4 It is Figure 3 The enlarged structure schematic view of A in the middle;

[0027] Figure 5 It is the whole exploded structure schematic view of heat insulation glass of the utility model.

[0028] In the drawing: 1, sealing performance test cabin;11, cabin door;12, observation window;2, environmental temperature simulation mechanism;21, cabin top plate;22, driving motor;23, support leg;24, connecting cover;25, rotating shaft;26, blade;27, support ring seat;28, heating device;29, temperature sensor;3, sealing performance test mechanism;31, test pipeline;32, branch pipe;33, connecting hose;34, branch valve;35, digital air pressure gauge;36, main valve;37, air pump;38, heat insulation glass;381, connecting cylinder;382, support block;383, illuminating lamp. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model.

[0030] As Figures 1-5 Indicated, the utility model provides a technical scheme: a kind of hydraulic support sealing performance test device, comprising:

[0031] The front of the sealing performance test cabin 1 is rotatably connected with a cabin door 11, and the inner wall of the cabin door 11 is fixedly installed with an observation window 12.

[0032] The environmental temperature simulation mechanism 2 is arranged at the top of the sealing performance test cabin 1, and is used for controlling the temperature in the inner cavity of the sealing performance test cabin 1.

[0033] The sealing performance test mechanism 3 is arranged on the sealing performance test cabin 1, and is used for sealing performance test of the hydraulic support inside the sealing performance test cabin 1.

[0034] As an embodiment in the embodiment, as shown in the figure, Figure 2 The environmental temperature simulation mechanism 2 includes a cabin top plate 21, which is fixedly installed at the top of the sealing performance test cabin 1. The top of the cabin top plate 21 is fixedly installed with a driving motor 22. The output shaft of the driving motor 22 extends to the bottom of the cabin top plate 21 and is fixedly connected with a rotating shaft 25. The outer wall of the rotating shaft 25 is fixedly installed with a blade 26. The bottom of the cabin top plate 21 is fixedly installed with a supporting leg 23. The bottom of the supporting leg 23 is fixedly installed with a connecting cover 24. The bottom of the connecting cover 24 is detachably connected with a supporting ring seat 27. The top of the supporting ring seat 27 is fixedly installed with a heating device 28. The bottom of the cabin top plate 21 is fixedly installed with a temperature sensor 29. The driving motor 22 is controlled to work. The blade 26 is driven to rotate in the inner cavity of the connecting cover 24 through the transmission of the rotating shaft 25. The air is absorbed from the top of the connecting cover 24 and then conveyed downward, thereby driving the air in the inner cavity of the sealing performance test cabin 1 to flow through the connecting cover 24. During the air flow process, the heating device 28 is controlled to work to heat the air. The front of the sealing performance test cabin 1 is provided with a controller. The model of the temperature sensor 29 is B3950. The temperature sensor 29 is used for monitoring the air temperature inside the sealing performance test cabin 1 and feeding back the temperature data to the controller. After the temperature reaches the preset value, the heating device 28 is controlled to pause work, thereby realizing the function of raising the air in the inner cavity of the sealing performance test cabin 1 to a specified temperature, simulating a high-temperature use environment, and improving the accuracy of the sealing performance test. The supporting ring seat 27 is installed at the bottom of the connecting cover 24 through screws, so as to facilitate the user to disassemble and clean the heating device 28 during maintenance.

[0035] As an embodiment in the embodiment, as shown in the figure, Figure 3 , Figure 4As shown, the sealing performance test mechanism 3 comprises a test pipeline 31 and a gas pump 37, the test pipeline 31 is fixedly installed on the front of the sealing performance test cabin 1, the left side of the test pipeline 31 is fixedly connected with a branch pipe 32, the end of the branch pipe 32 away from the test pipeline 31 extends into the inner cavity of the sealing performance test cabin 1 and is threadedly connected with a connecting hose 33, the middle part of the branch pipe 32 is fixedly connected with a branch valve 34 located on the front of the sealing performance test cabin 1, the front of the test pipeline 31 is fixedly connected with a digital gas pressure gauge 35, the front of the test pipeline 31 is fixedly connected with a main valve 36, the gas pump 37 is fixedly installed on the front of the sealing performance test cabin 1, the output pipe of the gas pump 37 is fixedly connected with the side of the test pipeline 31, after the measured hydraulic support is transferred to the inner cavity of the sealing performance test cabin 1, the end of the connecting hose 33 is connected to the hydraulic support rod, then the branch valve 34 corresponding to the connected connecting hose 33 is opened, at this time, the measured hydraulic support rod, the connecting hose 33, the branch pipe 32 and the inner cavity of the test pipeline 31 are in a communication state, then the gas pump 37 is controlled to work to transport a certain amount of gas into the test pipeline 31, then the change of gas pressure is observed from the digital gas pressure gauge 35, if the change of gas pressure is within a suitable range, it indicates that the sealing performance of the hydraulic support is qualified, otherwise it is unqualified, through the design that the connecting hose 33 is threadedly connected with the branch pipe 32, the user can replace the connecting hose 33 of different lengths, which is convenient for the test.

[0036] As an embodiment in the present embodiment, as shown in Figure 5 As shown, the sealing performance test mechanism 3 further comprises heat insulation glass 38, the heat insulation glass 38 is fixedly installed on the inner wall of the side of the sealing performance test cabin 1, the side of the heat insulation glass 38 is fixedly installed with a connecting barrel 381, the end of the connecting barrel 381 away from the heat insulation glass 38 is fixedly installed with a support block 382, the side of the support block 382 is fixedly installed with an illuminating lamp 383 located in the inner cavity of the connecting barrel 381, the illuminating lamp 383 is controlled to work, can irradiate into the inner cavity of the sealing performance test cabin 1 through the heat insulation glass 38, improve the illumination intensity of the inner cavity of the sealing performance test cabin 1, which is convenient for the test, the inner wall of the connecting barrel 381 is coated with reflective paint, which can be used to improve the light supplement effect of the illuminating lamp 383.

[0037] Working principle: first, the measured hydraulic support is transferred to the inner cavity of the sealing performance test cabin 1, then the end of the connecting hose 33 is connected to the hydraulic support, then the branch valve 34 corresponding to the connecting hose 33 is opened, at this time the measured hydraulic support, the connecting hose 33, the branch pipe 32 and the test pipeline 31 are in communication state, then the driving motor 22 is controlled to work, the blade 26 is rotated in the inner cavity of the connecting cover 24, and then the air in the inner cavity of the sealing performance test cabin 1 is driven to flow through the inner cavity of the connecting cover 24, in the air flow process, the heating device 28 is controlled to work to heat the air, and the temperature sensor 29 is matched to heat the air to a specified temperature, the function of simulating a high-temperature use environment is realized, after the measured object is heated for a period of time, the air pump 37 is controlled to work to deliver a certain amount of gas into the test pipeline 31, then the change of air pressure is observed from the digital air pressure gauge 35, if the change of air pressure is in a suitable range, it indicates that the sealing performance of the hydraulic support is qualified, otherwise it is unqualified, after the test is completed, the main valve 36 is opened and then the connection of the connecting hose 33 is disconnected, the measured hydraulic support is taken out from the sealing performance test cabin 1.

[0038] The above examples are only used to illustrate the technical solutions of the present application, and not to limit them.

Claims

1. A hydraulic support seal performance test device, characterized by, Include: Sealing performance test cabin (1), the front of the sealing performance test cabin (1) is rotatably connected with a cabin door (11), and an observation window (12) is fixedly installed on the inner wall of the cabin door (11); The environmental temperature simulation mechanism (2) is arranged on the top of the sealing performance test cabin (1), and the environmental temperature simulation mechanism (2) is used for controlling the temperature in the cavity of the sealing performance test cabin (1); The sealing performance test mechanism (3) is arranged on the sealing performance test cabin (1), and the sealing performance test mechanism (3) is used for sealing performance test of the hydraulic support inside the sealing performance test cabin (1).

2. The hydraulic support sealing performance test device according to claim 1, characterized in that: The environmental temperature simulation mechanism (2) includes a cabin top plate (21), which is fixedly installed on the top of the sealing performance test cabin (1), and a driving motor (22) is fixedly installed on the top of the cabin top plate (21). The output shaft of the driving motor (22) extends to the bottom of the cabin top plate (21) and is fixedly connected with a rotating shaft (25), and the outer wall of the rotating shaft (25) is fixedly installed with blades (26).

3. The hydraulic support sealing performance test device according to claim 2, characterized in that: The bottom of the cabin top plate (21) is fixedly installed with a supporting leg (23), and the bottom of the supporting leg (23) is fixedly installed with a connecting cover (24), and the bottom of the connecting cover (24) is detachably connected with a supporting ring seat (27).

4. The hydraulic support sealing performance test device according to claim 3, characterized in that: The top of the supporting ring seat (27) is fixedly installed with a heating device (28), and the bottom of the cabin top plate (21) is fixedly installed with a temperature sensor (29).

5. The hydraulic support sealing performance test device according to claim 1, characterized in that: The sealing performance test mechanism (3) includes a test pipeline (31) and a gas pump (37), and the test pipeline (31) is fixedly installed on the front of the sealing performance test cabin (1). The left side of the test pipeline (31) is fixedly connected with a branch pipe (32), one end of the branch pipe (32) away from the test pipeline (31) extends into the cavity of the sealing performance test cabin (1) and is threadedly connected with a connecting hose (33), and the middle part of the branch pipe (32) is fixedly connected with a branch valve (34) located on the front of the sealing performance test cabin (1).

6. The hydraulic support sealing performance test device according to claim 5, characterized in that: The front of the test pipeline (31) is fixedly connected with a digital air pressure gauge (35), and the front of the test pipeline (31) is fixedly connected with a main valve (36). The gas pump (37) is fixedly installed on the front of the sealing performance test cabin (1), and the output pipe of the gas pump (37) is fixedly connected with the side of the test pipeline (31).

7. The hydraulic support sealing performance test device according to claim 5, characterized in that: The sealing performance test mechanism (3) further includes heat insulation glass (38), which is fixedly installed on the inner wall of the side of the sealing performance test cabin (1). The side of the heat insulation glass (38) is fixedly installed with a connecting cylinder (381), one end of the connecting cylinder (381) away from the heat insulation glass (38) is fixedly installed with a supporting block (382), and the side of the supporting block (382) is fixedly installed with a lighting lamp (383) located in the cavity of the connecting cylinder (381).

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