Shock-proof pressure gauge calibration table

Abstract

The utility model relates to the technical field of shock-proof pressure gauge calibration tables, in particular to a shock-proof pressure gauge calibration table, which is characterized in that a liquid device is started to observe the change condition of pressure in a normal liquid flowing state through a pressure gauge, and after a knocking device is started to knock the liquid device and stop knocking, the change condition of the pressure gauge is observed. The liquid stopping device starts the gas device, verifies the pressure of gas under normal conditions, starts the extreme climate device, observes the change condition of data of the pressure gauge in hot and severe cold extreme environments, and improves the accuracy of the pressure gauge. Comprising a fixing mechanism; the device further comprises a liquid device, a pressure gauge, a beating device, a gas device and an extreme climate device.

Description

Technical Field

[0001] The utility model relates to the technical field of earthquake-resistant pressure gauge calibration tables, in particular to an earthquake-resistant pressure gauge calibration table. Background Art

[0002] The main feature of the seismic pressure gauge is its good seismic resistance. It is extremely suitable for measuring the pressure of fluids with instantaneous impact and the pressure of media with severe pulsation. The seismic pressure gauge must be pressure tested before leaving the factory.

[0003] Currently, pressure test benches such as the seismic-resistant pressure gauge calibration test bench disclosed in the utility model patent with application number CN202021916435.8 and the pressure gauge calibration bench disclosed in the utility model patent with application number CN201620044859.7 can both calibrate seismic-resistant pressure gauges.

[0004] In order to further calibrate the seismic-resistant pressure gauge, this device provides the changes of the seismic-resistant pressure gauge under different environments. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a seismic-resistant pressure gauge calibration platform which improves the accuracy of the seismic-resistant pressure gauge by measuring the data changes of the seismic-resistant pressure gauge under different media and different environmental conditions.

[0006] The utility model discloses a seismic pressure gauge calibration table, comprising a fixing mechanism; a liquid device, a pressure gauge, a knocking device, a gas device and an extreme climate device, wherein the liquid device is installed on the fixing mechanism to calibrate the change of the pressure gauge under normal liquid flow, the pressure gauge is installed on the liquid device to read the change of the pressure value, the knocking device is installed on the fixing mechanism to calibrate the change of the seismic pressure gauge when the pipeline vibrates, the gas device is installed on the fixing mechanism to calibrate the pressure value of the air, and the extreme climate device is installed on the fixing mechanism to calibrate the change of the seismic pressure gauge under hot and cold environments; the liquid device is started to observe the change of the pressure under normal liquid flow state through the pressure gauge, the knocking device is started to knock the liquid device and after stopping the knocking, the change of the pressure gauge is observed, the liquid device is stopped to start the gas device to calibrate the pressure of the gas under normal conditions, the extreme climate device is started to observe the change of the pressure gauge data under hot and severe cold extreme environments, and the accuracy of the pressure gauge is improved.

[0007] Preferably, the fixing mechanism includes a calibration table and three support frames, and the three support frames are all installed on the top of the calibration table; the three support frames support the liquid device to prevent the liquid device from tilting and affecting the pressure gauge data.

[0008] Preferably, the liquid device includes a water tank, a water pump and a pipeline. The water tank is installed on the calibration table, the water pump is installed on the calibration table, one end of the pipeline is connected to the output end of the water pump, and the other end is connected to the water tank, and three support frames support it; start the water pump to return the liquid in the water tank through the pipeline to the water tank for circulation, and observe the changes in the pressure gauge.

[0009] Preferably, the pressure gauge includes a normal pressure gauge and a seismic-resistant pressure gauge, both of which are installed on the pipeline, and the normal pressure gauge and the seismic-resistant pressure gauge are adjacent to each other; the accuracy of the data change of the seismic-resistant pressure gauge is verified by the data on the normal pressure gauge.

[0010] Preferably, the knocking device includes a support, a motor, a turntable, a connecting rod and a hammer. The support is installed on the verification table and an arc groove is provided on the support. The motor is installed on the verification table, the output end of the motor is connected to the turntable, one end of the connecting rod is connected to the turntable, and the other end is connected to the hammer; start the motor to rotate the turntable to drive the hammer to knock on the pipeline through the arc groove on the support, and observe the changes of the normal pressure gauge and the seismic-resistant pressure gauge.

[0011] Preferably, the gas device includes an air tank, an air pump, an air pipe, a first valve, a second valve and a vent valve. The air tank is installed on a calibration table, the air pump is installed on the calibration table, one end of the air pipe is connected to the output end of the air pump, and the other end is connected to the pipeline, the first valve and the second valve are both installed on the pipeline, and the vent valve is installed on the pipeline; close the first valve and the second valve, open the vent valve to vent the pipeline, start the air pump to discharge the gas in the air tank into the pipeline through the air pipe, and observe the data changes of the normal pressure gauge and the seismic-resistant pressure gauge.

[0012] Preferably, the extreme climate device includes a heater, an air cooler, a third valve and a fourth valve, the heater is installed on a calibration bench, the air cooler is installed on a calibration bench, and the third valve and the fourth valve are both installed on an air pipe; open the third valve, start the air pump, and discharge the air in the air tank into the pipe through the heater, observe the data changes of the normal pressure gauge and the seismic pressure gauge, close the third valve, open the fourth valve, discharge the air in the air pipe into the pipe, observe the data changes of the normal pressure gauge and the seismic pressure gauge, calibrate the impact of extreme weather on the seismic pressure gauge, and improve the accuracy of the seismic pressure gauge.

[0013] Compared with the prior art, the utility model has the following beneficial effects: starting the liquid device to observe the pressure change under normal liquid flow state through the pressure gauge, starting the knocking device to knock the liquid device and after stopping the knocking, observing the change of the pressure gauge, stopping the liquid device and starting the gas device to check the gas pressure under normal conditions, starting the extreme climate device to observe the change of the pressure gauge data in hot and cold extreme environments, and improving the accuracy of the pressure gauge. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0015] Figure 2 It is a schematic diagram of the axonometric structure of the fixing mechanism, the liquid device and the pressure gauge;

[0016] Figure 3 It is a schematic diagram of the axonometric structure of the striking device;

[0017] Figure 4 It is a schematic diagram of the axonometric structure of the gas device and the extreme climate device.

[0018] Markings in the accompanying drawings: 01, fixing mechanism; 11, calibration table; 12, support frame; 02, liquid device; 21, water tank; 22, water pump; 23, pipeline; 03, pressure gauge; 31, normal pressure gauge; 32, earthquake-resistant pressure gauge; 04, knocking device; 41, support; 42, motor; 43, turntable; 44, connecting rod; 45, hammer; 05, gas device; 51, air tank; 52, air pump; 53, air pipe; 54, first valve; 55, second valve; 56, vent valve; 06, extreme climate device; 61, heater; 62, air cooler; 63, third valve; 64, fourth valve. DETAILED DESCRIPTION

[0019] 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.

[0020] The utility model discloses a seismic pressure gauge calibration table, comprising a fixing mechanism 01; a liquid device 02, a pressure gauge 03, a knocking device 04, a gas device 05 and an extreme climate device 06. The liquid device 02 is mounted on the fixing mechanism 01 to calibrate the change of the pressure gauge of normal liquid flow; the pressure gauge 03 is mounted on the liquid device 02 to read the change of the pressure value; the knocking device 04 is mounted on the fixing mechanism 01 to calibrate the change of the seismic pressure gauge when the pipeline vibrates; the gas device 05 is mounted on the fixing mechanism 01 to calibrate the pressure value of the air; the extreme climate device 06 is mounted on the fixing mechanism 01 to calibrate the pressure value of the air; The fixed mechanism 01 is used to check the changes of the seismic pressure gauge in hot and cold environments; the fixed mechanism 01 includes a check bench 11 and three support frames 12, and the three support frames 12 are all installed on the top of the check bench 11; the liquid device 02 includes a water tank 21, a water pump 22 and a pipe 23, the water tank 21 is installed on the check bench 11, the water pump 22 is installed on the check bench 11, one end of the pipe 23 is connected to the output end of the water pump 22, and the other end is connected to the water tank 21, and the three support frames 12 support it; the pressure gauge 03 includes a normal pressure gauge 31 and a seismic pressure gauge 32, the normal pressure gauge 3 1 and the seismic pressure gauge 32 are both installed on the pipeline 23, and the normal pressure gauge 31 and the seismic pressure gauge 32 are adjacent; the knocking device 04 includes a support 41, a motor 42, a turntable 43, a connecting rod 44 and a hammer 45, the support 41 is installed on the test bench 11, and the support 41 is provided with an arc groove, the motor 42 is installed on the test bench 11, the output end of the motor 42 is connected to the turntable 43, one end of the connecting rod 44 is connected to the turntable 43, and the other end is connected to the hammer 45; the gas device 05 includes an air tank 51, an air pump 52, an air pipe 53, a first valve 54, a second valve 55 and a vent valve 56, the air tank 51 is installed on the calibration bench 11, the air pump 52 is installed on the calibration bench 11, one end of the air pipe 53 is connected to the output end of the air pump 52, and the other end is connected to the pipeline 23, the first valve 54 and the second valve 55 are both installed on the pipeline 23, and the vent valve 56 is installed on the pipeline 23; the extreme climate device 06 includes a heater 61, a cold air fan 62, a third valve 63 and a fourth valve 64, the heater 61 is installed on the calibration bench 11, the cold air fan 62 is installed on the calibration bench 11, and the third valve 63 and the fourth valve 64 are both installed on the air pipe 53.

[0021] like Figures 1 to 4As shown, the utility model is a seismic pressure gauge calibration table, which, when working, starts the water pump 22 to pass the liquid in the water tank 21 through the pipe 23, observes the pressure change under the normal liquid flow state through the normal pressure gauge 31 and the seismic pressure gauge 32, starts the support 41 to make the hammer 45 knock on the pipe 23 and stops knocking, observes the changes in the normal pressure gauge 31 and the seismic pressure gauge 32, stops the liquid device 02 to close the first valve 54 and the second valve 55, opens the air vent 56, starts the air pump 52, discharges the gas in the air tank 51 into the pipe 23, verifies the gas pressure under normal conditions, starts the heater 61 and the air cooler 62, observes the changes in the data of the normal pressure gauge 31 and the seismic pressure gauge 32 in hot and cold extreme environments, and improves the accuracy of the seismic pressure gauge 32.

[0022] The water pump 22, the motor 42 and the air pump 52 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 manuals, without the need for creative work by technicians in the field.

[0023] 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 seismic-resistant pressure gauge calibration platform, comprising a fixing mechanism (01); characterized in that: It also includes a liquid device (02), a pressure gauge (03), a knocking device (04), a gas device (05) and an extreme climate device (06). The liquid device (02) is installed on the fixed mechanism (01) to verify the changes in the pressure gauge under normal liquid flow. The pressure gauge (03) is installed on the liquid device (02) to read the changes in the pressure value. The knocking device (04) is installed on the fixed mechanism (01) to verify the changes in the earthquake-resistant pressure gauge when the pipeline vibrates. The gas device (05) is installed on the fixed mechanism (01) to verify the pressure value of the air. The extreme climate device (06) is installed on the fixed mechanism (01) to verify the changes in the earthquake-resistant pressure gauge under hot and cold environments.

2. A seismic-resistant pressure gauge calibration platform as claimed in claim 1, characterized in that: The fixing mechanism (01) comprises a checking platform (11) and three supporting frames (12), and the three supporting frames (12) are all installed on the top of the checking platform (11).

3. A seismic-resistant pressure gauge calibration platform as claimed in claim 2, characterized in that: The liquid device (02) comprises a water tank (21), a water pump (22) and a pipeline (23). The water tank (21) is installed on the calibration table (11). The water pump (22) is installed on the calibration table (11). One end of the pipeline (23) is connected to the output end of the water pump (22), and the other end is connected to the water tank (21). The pipeline (23) is supported by three support frames (12).

4. A seismic-resistant pressure gauge calibration platform as claimed in claim 3, characterized in that: The pressure gauge (03) comprises a normal pressure gauge (31) and a shockproof pressure gauge (32). Both the normal pressure gauge (31) and the shockproof pressure gauge (32) are installed on the pipeline (23), and the normal pressure gauge (31) and the shockproof pressure gauge (32) are adjacent to each other.

5. A seismic-resistant pressure gauge calibration platform as claimed in claim 4, characterized in that: The striking device (04) comprises a support (41), a motor (42), a rotating disk (43), a connecting rod (44) and a hammer (45), wherein the support (41) is mounted on a test bench (11), and an arc groove is arranged on the support (41), the motor (42) is mounted on the test bench (11), an output end of the motor (42) is connected to the rotating disk (43), one end of the connecting rod (44) is connected to the rotating disk (43), and the other end is connected to the hammer (45).

6. A seismic-resistant pressure gauge calibration platform as claimed in claim 5, characterized in that: The gas device (05) comprises an air tank (51), an air pump (52), an air pipe (53), a first valve (54), a second valve (55) and a vent valve (56). The air tank (51) is mounted on a calibration bench (11), the air pump (52) is mounted on the calibration bench (11), one end of the air pipe (53) is connected to the output end of the air pump (52), and the other end is connected to the pipeline (23), the first valve (54) and the second valve (55) are both mounted on the pipeline (23), and the vent valve (56) is mounted on the pipeline (23).

7. A seismic-resistant pressure gauge calibration platform as claimed in claim 6, characterized in that: The extreme climate device (06) comprises a heater (61), a cooling fan (62), a third valve (63) and a fourth valve (64). The heater (61) is installed on the calibration bench (11), the cooling fan (62) is installed on the calibration bench (11), and the third valve (63) and the fourth valve (64) are both installed on the air pipe (53).

Images