CN210375523U

CN210375523U - Pressure gauge calibrating device

Info

Publication number: CN210375523U
Application number: CN201921506559.6U
Authority: CN
Inventors: 张健; 孙国梅; 罗贤科
Original assignee: Guizhou Hongda Lixin Measurement And Testing Co Ltd
Current assignee: Guizhou Hongda Lixin Measurement And Testing Co Ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-04-21
Anticipated expiration: 2029-09-10

Abstract

The scheme discloses a manometer calibrating installation in measuring equipment field, including the support arm that is 'L' shape, the backup pad that fixed connection has the level to set up on the support arm, be equipped with a plurality of screw thread through-holes in the backup pad, the vertical and fixedly connected with in below of backup pad and the connecting pipe that screw thread through-hole quantity is the same, connecting pipe and screw thread through-hole intercommunication, the below of connecting pipe is equipped with the connecting plate that the level set up, be equipped with the through-hole the same with connecting pipe quantity on the connecting plate, the connecting pipe in proper order with through-hole fixed connection, the vertical and fixedly connected with in below of connecting plate and the pipe that the through-hole quantity is the same, pipe and through-hole intercommunication, the below of pipe is equipped with high compression pump. When this scheme of adoption examination manometer, effectively improved the factor of safety in the verification process and also improved measurement accuracy simultaneously.

Description

Pressure gauge calibrating device

Technical Field

The utility model belongs to the measuring equipment field, concretely relates to manometer calibrating installation.

Background

The pressure gauge is a meter which takes an elastic element as a sensitive element and measures and indicates the pressure higher than the ambient pressure, is very commonly applied and almost extends to all the fields of industrial processes and scientific researches. The method is widely available in the fields of heating power pipe networks, oil and gas transmission, water and gas supply systems, vehicle maintenance plants and shops and the like. Especially in the industrial process control and technical measurement process, the mechanical pressure gauge is more and more widely applied due to the characteristics of high mechanical strength, convenient production and the like of an elastic sensitive element of the mechanical pressure gauge, and the pressure gauge transmits pressure deformation to a pointer through the sensitive element and the elastic deformation in the gauge and a switching mechanism of a movement in the gauge to cause the pointer to rotate to display the pressure.

When examining the manometer at present, adopt the manual work to insert the manometer into high-pressure steel bottle usually, whether there is the error according to the standard atmospheric pressure measurement manometer of high-pressure steel bottle, but this kind of verification mode is very dangerous, and measurement accuracy is also very low simultaneously, is difficult to satisfy the technology of modernized production.

SUMMERY OF THE UTILITY MODEL

The utility model provides a manometer calibrating installation to there is the problem that the precision is low and factor of safety is low in the manual detection manometer among the solution prior art.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a manometer calibrating installation, is including the support arm that is 'L' shape, fixed connection has the backup pad that the level set up on the support arm, be equipped with a plurality of screw through-holes in the backup pad, the vertical and fixedly connected with in below of backup pad and the connecting pipe that screw through-hole quantity is the same, connecting pipe and screw through-hole intercommunication, the below of connecting pipe is equipped with the connecting plate that the level set up, be equipped with the through-hole the same with connecting pipe quantity on the connecting plate, the connecting pipe in proper order with through-hole fixed connection, the vertical and fixedly connected with in below of connecting plate and the pipe that the through-hole quantity is the same, pipe and through-hole intercommunication, the below of pipe is equipped with high compression pump, be connected with the atmospheric pressure pipe on the high compression.

The utility model discloses a theory of operation and beneficial effect thereof:

manometer calibrating installation in this scheme, during the use, at first will treat the manometer of examination and connect gradually in the backup pad, because be equipped with a plurality of screw through-holes in the backup pad, in proper order with screw through-hole threaded connection with the manometer back, start the valve on the high compression pump, high compression pump just begins jet-propelled, high compression pump spun gas passes through the barotube and carries the pipe with gas, because the through-hole intercommunication on pipe and the connecting plate, and the intercommunication has the connecting pipe on the connecting plate, so gas just enters into the manometer of waiting to examine the examination through the connecting pipe, the reading through observing the barometer is compared with the standard, just so can judge whether qualified the barometer of waiting to examine and determine. Compared with the prior art, when this scheme of adoption examination manometer, can not only examine and determine a plurality of manometers simultaneously to the manometer passes through threaded connection in the backup pad, the effectual gas tightness of guaranteeing the manometer, the effectual measurement accuracy that has improved, and the in-process staff of examination only need through the valve control high compression pump at any time the switch can, adopt such detection mode just very simple and factor of safety obtains effectual guarantee.

Further, the connecting pipe is in threaded connection with the through hole. Threaded connection is simple structure not only, is convenient for produce and process moreover, effectual resources are saved, adopts threaded connection's mode to also guarantee the gas tightness between connecting pipe and the through-hole simultaneously, has guaranteed the precision among the manometer verification process as far as.

Further, the high pressure air pump is located the support arm and can dismantle with the support arm and be connected. Adopt detachable connected mode, just so be convenient for change high compression pump, just can treat the manometer of examination simultaneously and carry out different atmospheric pressure values and detect.

Furthermore, the bottom of the supporting arm is provided with a universal wheel with a brake. The supporting arm can be moved more conveniently and more labor-saving.

Drawings

Fig. 1 is a schematic structural view of a pressure gauge calibrating apparatus of the present invention;

fig. 2 is a cross-sectional view of the disc of fig. 1.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the universal wheel 1, the supporting arm 2, the screw 3, the high-pressure air pump 4, the disc 5, the conduit 6, the connecting plate 7, the connecting pipe 8, the supporting plate 9, the threaded through hole 10, the pneumatic pipe 11, the valve 12 and the connecting hole 13.

The embodiment is substantially as shown in figures 1 and 2: a pressure gauge calibrating device comprises an L-shaped supporting arm 2, the supporting arm 2 comprises a horizontal section and a vertical section, a horizontally arranged supporting plate 9 is fixedly connected to the vertical section on the supporting arm 2, a plurality of threaded through holes 10 are arranged on the supporting plate 9, connecting pipes 8 with the same number as the threaded through holes 10 are vertically and fixedly connected below the supporting plate 9, the connecting pipes 8 are communicated with the threaded through holes 10, a horizontally arranged connecting plate 7 is arranged below the connecting pipes 8, through holes with the same number as the connecting pipes 8 are arranged on the connecting plate 7, the connecting pipes 8 are sequentially and fixedly connected with the through holes, the connecting plate 7 is fixedly connected with the horizontal section of the supporting arm 2 through threaded rods, guide pipes 6 with the same number as the through holes are vertically and fixedly connected below the connecting plate 7, the guide pipes 6 are communicated with the through holes, a high-pressure air pump 4 is arranged below the, the pneumatic tube 11 is communicated with the guide tube 6 through the hollow disc 5, the upper end of the disc 5 is provided with connecting holes 13 the number of which is the same as that of the guide tube 6, the guide tube 6 is in threaded connection with the connecting holes 13, the bottom end of the disc 5 is provided with a valve 12 which is in threaded connection and communicated with the pneumatic tube 11, the high-pressure air pump 4 is further provided with a valve 12, the high-pressure air pump 4 is in threaded connection with the horizontal section of the supporting arm 2 through a screw 3, and the universal wheel 1 with a brake is arranged below the horizontal section of.

Manometer calibrating installation in this scheme, during the use, at first will treat that the manometer of examination connects gradually in backup pad 9, because be equipped with a plurality of screw through-holes 10 in the backup pad 9, in proper order with screw through-hole 10 threaded connection good back with the manometer, start valve 12 on the high compression pump 4, high compression pump 4 just begins jet-propelled, high compression pump 4 spun gas passes through pneumatic tube 11 and carries pipe 6 with gas, because through-hole intercommunication on pipe 6 and the connecting plate 7, and it has connecting pipe 8 still to communicate on the connecting plate 7, so gas just enters into the manometer of waiting to examine the ration through connecting pipe 8, reading and standard through observing the manometer are compared, just so can judge whether qualified to treat the manometer.

Claims

1. The utility model provides a manometer calibrating installation which characterized in that: including the support arm that is 'L' shape, fixed connection has the backup pad that the level set up on the support arm, be equipped with a plurality of screw thread through-holes in the backup pad, the vertical and fixedly connected with in below of backup pad and the connecting pipe that screw thread through-hole quantity is the same, connecting pipe and screw thread through-hole intercommunication, the below of connecting pipe is equipped with the connecting plate that the level set up, be equipped with the through-hole the same with connecting pipe quantity on the connecting plate, the connecting pipe in proper order with through-hole fixed connection, the vertical and fixedly connected with in below of connecting plate and the pipe that through-hole quantity is the same, pipe and through-hole intercommunication, the below of pipe is equipped with high compression pump, be connected with the atmospheric pressure pipe on the high compression pump.

2. A pressure gauge calibrating device according to claim 1, wherein: the connecting pipe is in threaded connection with the through hole.

3. A pressure gauge calibrating device according to claim 2, wherein: the high-pressure air pump is positioned on the supporting arm and is detachably connected with the supporting arm.

4. A pressure gauge calibrating device according to claim 3, wherein: the bottom of the supporting arm is provided with a universal wheel with a brake.