CN220366948U - Shock-resistant manometer detects frock - Google Patents

Abstract

The utility model discloses a detection tool for a shock-resistant pressure gauge, which can simulate the real installation environment of the shock-resistant pressure gauge and directly install the shock-resistant pressure gauge on a test part to test mechanical vibration and severe pulsation of medium pressure. The key points of the technical scheme are as follows: the utility model provides a shock-resistant manometer detects frock for detect shock resistance ability of shock-resistant manometer, including detecting base, vibrations simulation work piece, mechanical vibrator and vibration connection structure, vibrations simulation work piece is including the pressure casing that is used for installing shock-resistant manometer, is equipped with the flange seat on the pressure casing, the shock-resistant manometer with sealing connection can be dismantled to the flange seat, the pressure casing passes through vibration connection structure hangs and establishes on detecting the base, and the pressure casing is opened and is connected with sealed pipeline interface, and mechanical vibrator connects the pressure casing shakes with the drive pressure casing.

Description

Shock-resistant manometer detects frock

Technical Field

The utility model relates to a pressure gauge detection and debugging tool, in particular to a vibration-resistant pressure gauge detection tool.

Background

The pressure gauge is used for detecting the pressure of a fluid medium, and the pressure gauge converts the elastic deformation of a Bowden tube into rotary motion through a conversion mechanism of a movement in the gauge through the elastic deformation of a sensitive element, namely the Bowden tube, in the gauge, so as to cause a pointer to deflect to display the pressure. For the conditions of strong mechanical vibration and strong medium pressure pulsation, the vibration resistance of the pressure gauge for detection is particularly important, and the pressure gauge with the vibration resistance which does not reach the standard is easy to have the defects of large pointer shake, large pressure indication error, imbalance of transmission ratio and the like, so that the accuracy of pressure measurement is influenced, the normal operation of the production process is possibly influenced, and even production accidents are possibly caused in serious cases.

Therefore, aiming at the earthquake-resistant pressure gauge applied to the situation of vibration, the earthquake-resistant performance of the earthquake-resistant pressure gauge is required to be detected in production, and the defect of the earthquake-resistant pressure gauge can be evaluated through the earthquake-resistant performance detection result so as to feed back to the design production stage for optimization and adjustment, thereby ensuring the performance of the factory earthquake-resistant pressure gauge. At present, a targeted and easy-to-operate tool for detecting the shock resistance performance is lacking in the production of the shock resistance pressure gauge.

Disclosure of Invention

The utility model aims to solve the problems in the background art, and provides a shock-resistant pressure gauge detection tool which can simulate the real installation environment of a shock-resistant pressure gauge and directly install the shock-resistant pressure gauge to a test part to test mechanical vibration and severe pulsation of medium pressure.

In order to achieve the above object, the present utility model adopts the following technical scheme:

the utility model provides a shock-resistant manometer detects frock for detect shock resistance ability of shock-resistant manometer, including detecting base, vibrations simulation work piece, mechanical vibrator and vibration connection structure, vibrations simulation work piece is including the pressure casing that is used for installing shock-resistant manometer, is equipped with the flange seat on the pressure casing, the shock-resistant manometer with sealing connection can be dismantled to the flange seat, the pressure casing passes through vibration connection structure hangs and establishes on detecting the base, and the pressure casing is opened and is connected with sealed pipeline interface, and mechanical vibrator connects the pressure casing shakes with the drive pressure casing.

Preferably, the pressure casing is cylinder tube structure, and the flange seat is located the pressure casing lateral wall, detect the base and include first fixed station and second fixed station, shake connection structure for the spring spare, the pressure casing is located between first fixed station and the second fixed station, and pressure casing both ends are connected first fixed station and second fixed station through the spring spare respectively, and sealed pipeline interface sets up on first fixed station, and the pressure casing has first flexible pipe towards the end connection of first fixed station, first flexible pipe intercommunication pressure casing inner chamber, and first flexible pipe intercommunication extremely sealed pipeline interface.

Preferably, an output pipeline interface is arranged on the second fixed table, a second flexible pipe is also connected to the end part of the pressure shell, which faces the second fixed table, the second flexible pipe is communicated with the inner cavity of the pressure shell, and the second flexible pipe is communicated to the output pipeline interface.

Preferably, the three-way pipe mechanism comprises a three-way valve, an input pipe, a test pressure conveying pipe and a pressure pulsation conveying pipe, wherein the input pipe is connected with an output port of the three-way valve, the test pressure conveying pipe and the pressure pulsation conveying pipe are respectively connected with two input ports of the three-way valve, and the input pipe is connected with the sealing pipeline interface.

Preferably, the mechanical vibrator comprises a vibration motor.

Preferably, the pressure shell is provided with a mounting base, the mechanical vibrator comprises a vibrating motor and a mounting plate, the vibrating motor is fixedly connected with the mounting plate, at least two mounting plates and the vibrating motor are simultaneously and detachably mounted on the mounting base, and different vibrating motors can be mounted and fixed on the mounting base in different directions.

Compared with the prior art, the shock-resistant pressure gauge detection tool adopting the technical scheme has the following advantages that

The beneficial effects are that:

in the production test procedure, the vibration-resistant pressure gauge can be directly arranged on the vibration simulation workpiece of the tool for testing, the pressure shell can simulate the actual mechanical vibration condition through the mechanical vibrator, meanwhile, the pulse pump can be connected through the sealing pipeline interface, the vibration formed by severe pulsation of the medium pressure is simulated, and the device is convenient and quick to test, and meanwhile, more accurate and more practical test results are achieved.

The medium in the pressure shell can be rapidly switched through the three-way valve, a connecting pipeline for replacing a sealing pipeline interface is not required to be disassembled, and the medium can be switched between the pulsation medium and the conventional test medium, so that the vibration-resistant pressure gauge is switched between the medium pulsation test state and the test result acquisition state, and the test efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a shock-resistant pressure gauge detection tool according to the present utility model.

Fig. 2 is a schematic structural diagram of the back view angle of the present embodiment.

Fig. 3 is a schematic front view of the present embodiment.

Reference numerals: 1. detecting a base; 10. a base; 11. a first fixed stage; 12. a second fixed stage; 2. a pressure housing; 20. a flange seat; 21. a first flexible tube; 22. a second flexible tube; 3. a spring member; 4. sealing the pipeline joint; 5. an output pipeline interface; 6. a three-way pipe mechanism; 60. a three-way valve; 61. an input tube; 62. testing the pressure conveying pipe; 63. a pressure pulsation delivery pipe; 7. a mounting base; 8. a mechanical vibrator; 80. a vibration motor; 81. a mounting plate; 9. a shock-resistant pressure gauge.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

The shock-resistant pressure gauge detection tool as shown in fig. 1 to 3 is used for detecting shock resistance of a shock-resistant pressure gauge 9 and comprises a detection base 1, a shock simulation workpiece, a mechanical vibrator 8, a shock connection structure and a tee joint mechanism 6. The detection base 1 comprises a base 10, a first fixing table 11 and a second fixing table 12 which are fixedly arranged on the base 10, a vibration simulation workpiece comprises a pressure shell 2 used for installing a vibration-resistant pressure gauge 9, a flange seat 20 is arranged on the pressure shell 2, the pressure shell 2 is of a cylindrical pipe structure, the flange seat 20 is arranged on the side wall of the pressure shell 2, and the vibration-resistant pressure gauge 9 is detachably and hermetically connected with the flange seat 20. The pressure shell 2 is suspended on the detection base 1 through a vibration connection structure, the vibration connection structure is a spring piece 3, the pressure shell 2 is located between the first fixed table 11 and the second fixed table 12, and two ends of the pressure shell 2 are respectively connected with the inner walls of the first fixed table 11 and the second fixed table 12 through the spring piece 3.

The outer wall of the first fixed table 11 is provided with a sealed pipeline connector 4, the end part of the pressure shell 2, which faces the first fixed table 11, is connected with a first flexible pipe 21, the first flexible pipe 21 is communicated with the inner cavity of the pressure shell 2, and the first flexible pipe 21 is communicated to the sealed pipeline connector 4. The second fixed table 12 is provided with an output pipeline interface 5, the end part of the pressure shell 2 facing the second fixed table 12 is also connected with a second flexible pipe 22, the second flexible pipe 22 is communicated with the inner cavity of the pressure shell 2, and the second flexible pipe 22 is communicated to the output pipeline interface 5. The three-way pipe mechanism 6 comprises a three-way valve 60, an input pipe 61, a test pressure conveying pipe 62 and a pressure pulsation conveying pipe 63, wherein the input pipe 61 is connected with an output port of the three-way valve 60, the test pressure conveying pipe 62 and the pressure pulsation conveying pipe 63 are respectively connected with two input ports of the three-way valve 60, the input pipe 61 is connected with the sealing pipeline interface 4, the test pressure conveying pipe 62 is connected to a conventional pressure pump for introducing conventional test media, and the pressure pulsation conveying pipe 63 is connected to a pulsation pump for introducing pulsation media.

The pressure shell 2 is provided with a mounting base 7, the mechanical vibrator 8 comprises a vibration motor 80 and a mounting plate 81, the vibration motor 80 is fixedly connected with the mounting plate 81, and the vibration motor 80 is connected to the mounting base 7 through the mounting plate 81 to drive the pressure shell 2 to vibrate. Be provided with a plurality of fixed orificess on the mounting base 7, mounting panel 81 accessible screw nut fixed connection fixed orifices, mounting base 7 can connect two at least mounting panels 81 simultaneously, can make two vibrating motor 80 install simultaneously on mounting base 7, through setting up the installation angle of two vibrating motor 80, can form the vibration wave of different directions to simulate the mechanical vibration condition under the multiple sight, obtain more comprehensive, accurate data.

The specific test mode is as follows:

(1) Test for resistance to mechanical vibrations

1) Firstly, a vibration-resistant pressure gauge 9 to be tested is installed on a pressure shell 2;

2) Introducing a conventional test medium into the pressure shell 2 to obtain initial reference data of the shock-resistant pressure gauge 9;

3) After the vibration motor 80 is turned on and vibration test is performed for a period of time, test data of the current vibration-resistant pressure gauge 9 is acquired, and the vibration-resistant pressure gauge 9 is compared with initial reference data to evaluate the mechanical vibration resistance.

(2) Test against vibration caused by medium pulsation

1) Firstly, a vibration-resistant pressure gauge 9 to be tested is installed on a pressure shell 2;

2) Introducing a conventional test medium into the pressure shell 2 to obtain initial reference data of the shock-resistant pressure gauge 9;

3) And adjusting the three-way valve 60, introducing a pulsation medium into the pressure shell 2 to cause the pressure shell 2 to vibrate, and after a period of testing, acquiring test data of the current vibration-resistant pressure gauge 9, and comparing the test data with initial reference data to evaluate the medium pulse vibration resistance of the vibration-resistant pressure gauge 9.

The above-described technical solution is a preferred embodiment of the present utility model, and it should be understood that those skilled in the art may make several modifications and improvements without departing from the principles of the present utility model, and these should also be considered as the protection scope of the present utility model.

Claims (6)

1. The utility model provides a shock-resistant manometer detects frock for detect shock resistance performance of shock-resistant manometer (9), its characterized in that: including detecting base (1), vibrations simulation work piece, mechanical vibrator (8) and vibrations connection structure, vibrations simulation work piece is including being used for installing pressure casing (2) of shock-resistant manometer (9), is equipped with flange seat (20) on pressure casing (2), shock-resistant manometer (9) with sealing connection can be dismantled to flange seat (20), pressure casing (2) are passed through vibrations connection structure hangs and establishes on detecting base (1), and pressure casing (2) are opened and are connected with sealed pipeline interface (4), and mechanical vibrator (8) are connected pressure casing (2) take place vibrations with drive pressure casing (2).

2. The shock resistant manometer detection tool of claim 1, wherein: the utility model provides a pressure casing (2) is cylinder tube structure, and pressure casing (2) lateral wall is located to flange seat (20), detect base (1) including first fixed station (11) and second fixed station (12), vibrations connection structure is spring piece (3), pressure casing (2) are located between first fixed station (11) and second fixed station (12), first fixed station (11) and second fixed station (12) are connected through spring piece (3) respectively at pressure casing (2) both ends, seal line interface (4) set up on first fixed station (11), pressure casing (2) are connected with first flexible pipe (21) towards the end of first fixed station (11), first flexible pipe (21) intercommunication pressure casing (2) inner chamber, and first flexible pipe (21) intercommunication extremely seal line interface (4).

3. The shock resistant manometer detection tool of claim 2, wherein: the second fixed table (12) is provided with an output pipeline interface (5), the end part of the pressure shell (2) facing the second fixed table (12) is also connected with a second flexible pipe (22), the second flexible pipe (22) is communicated with the inner cavity of the pressure shell (2), and the second flexible pipe (22) is communicated to the output pipeline interface (5).

4. The shock resistant manometer detection tool of claim 1, wherein: the three-way pipe device is characterized by further comprising a three-way pipe mechanism (6), wherein the three-way pipe mechanism (6) comprises a three-way valve (60), an input pipe (61), a test pressure conveying pipe (62) and a pressure pulsation conveying pipe (63), the input pipe (61) is connected with an output port of the three-way valve (60), the test pressure conveying pipe (62) and the pressure pulsation conveying pipe (63) are respectively connected with two input ports of the three-way valve (60), and the input pipe (61) is connected with the sealing pipeline interface (4).

5. The shock resistant manometer detection tool of claim 1, wherein: the mechanical vibrator (8) comprises a vibration motor (80).

6. The shock resistant manometer detection tool of claim 5, wherein: be equipped with mounting base (7) on pressure casing (2), mechanical vibrator (8) include vibrating motor (80) and mounting panel (81), vibrating motor (80) fixed connection mounting panel (81), at least two mounting panel (81) and vibrating motor (80) are detachable simultaneously installs on mounting base (7), different vibrating motor (80) can be installed in different positions and fix on mounting base (7).