CN210689932U

CN210689932U - Semi-automatic adjustable pressure gauge calibration stand

Info

Publication number: CN210689932U
Application number: CN201921936100.XU
Authority: CN
Inventors: 田士旺
Original assignee: Jinan Odimete Fluid Control Equipment Co Ltd
Current assignee: Jinan Odimete Fluid Control Equipment Co Ltd
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-06-05
Anticipated expiration: 2029-11-11

Abstract

The utility model discloses a manometer check table with semi-automatic adjustable, including the check-up plate, the upper surface of check-up plate sets up the level, the fixed first motor that is provided with of upper surface upside of check-up plate, the first threaded rod of brake end fixedly connected with of first motor, first threaded rod rotates to be connected in first telescopic inside, first sleeve sliding connection is in the inside of first compression cylinder, the fixed stop valve that is provided with in one side of first compression cylinder, the fixed second compression cylinder that is provided with in below of stop valve. The utility model discloses in, the upper surface is equipped with fine setting pressure module, realizes the pressure fine setting operation, makes the poor degree of falling of check-up numerical value reduce, realizes the less pressure change numerical value of contrast, realizes the accurate contrast check-up operation of manometer, and the motor braking is adopted in whole braking, realizes semi-automatic operation flow, saves the check-up time, increases the check-up speed, and the check-up pressure difference value can realize going up and down at the uniform velocity, and the accurate audio-visual manometer value that provides contrasts and changes.

Description

Semi-automatic adjustable pressure gauge calibration stand

Technical Field

The utility model relates to a manometer field especially relates to a manometer check table with adjustable it is semi-automatic.

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 factory setting of general manometer is comparatively accurate, can cause partial error after using a period, needs corresponding check-up operation this moment, and general check-up mode is comparatively simple to manual change pressure contrasts the numerical value change of two sets of different manometer, and this kind of mode is because manual operation pressure, and it has randomness to change the numerical value size, can't realize accurate control, can only roughly examine, has partial error, and manual operation is consuming time longer relatively, and the check-up rate is low.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing a semi-automatic adjustable pressure gauge calibration stand.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a semi-automatic adjustable pressure gauge calibration stand comprises a calibration plate, wherein the upper surface of the calibration plate is horizontal, a first motor is fixedly arranged on the upper side of the upper surface of the calibration plate, a first threaded rod is fixedly connected to the braking end of the first motor, the first threaded rod is rotatably connected to the inside of a first sleeve, a first sleeve is slidably connected to the inside of a first compression cylinder, a stop valve is fixedly arranged on one side of the first compression cylinder, a second compression cylinder is fixedly arranged below the stop valve, a second sleeve is slidably connected to the inside of the second compression cylinder, a second threaded rod is rotatably connected to the inside of the second sleeve, the second threaded rod is fixedly connected to the braking end of a second motor, an exhaust module is attached to the surface of one side, which is opposite to and connected with the second sleeve, of the second compression cylinder, and a third sleeve is slidably connected to the inside of the exhaust module, the inside of the third sleeve is rotatably connected with a third threaded rod, the third threaded rod is fixedly connected at the braking end of a third motor, and the position of the lower side of the upper surface of the check plate is fixedly connected with a standard meter butt-joint block and a check meter butt-joint block respectively.

As a further description of the above technical solution:

the upper surface of check-up board is fixed and is provided with the fixed plate, the fixed plate is fixed to be set up in the both sides of first motor, the outer fixed surface structure setting of second motor and third motor is the same with the fixed structure of first motor.

As a further description of the above technical solution:

the fixed screw hole that is provided with in first telescopic inside, the screw hole corresponds with first threaded rod and rotates and be connected, the fixed piston that is provided with in first telescopic tip position, the external diameter size of piston sets up to the same with the inner space internal diameter size of first compression cylinder.

As a further description of the above technical solution:

the connecting structure between the second motor and the second compression cylinder is the same as the connecting structure between the first motor and the first compression cylinder, the diameter of the second threaded rod is the same as that of the first threaded rod, and the thread space on the surface of the second threaded rod is smaller than that on the outer surface of the first threaded rod.

As a further description of the above technical solution:

the pneumatic connecting parts on the upper surface of the verification board are all arranged into pneumatic transmission pipes in a connecting mode, and the pipe diameters of the pneumatic transmission pipes among the parts are the same.

As a further description of the above technical solution:

the inside of exhaust module is fixed and is provided with the jam, jam side surface fixedly connected with third sleeve, the third sleeve runs through the exhaust module lateral wall and is connected with the rotation of third threaded rod, the inside both sides of exhaust module respectively with both ends atmospheric pressure transmission pipe fixed connection, the fixed exhaust hole that is provided with in rear portion of exhaust module, and the exhaust hole is located both sides atmospheric pressure transmission pipe connection position rear side.

As a further description of the above technical solution:

the standard meter butt joint block and the check meter butt joint block are fixedly arranged on two sides of the upper surface of the check plate respectively, and the standard meter butt joint block and the check meter butt joint block are connected through an air pressure transmission pipe.

The utility model discloses following beneficial effect has:

1. the utility model discloses structural fixed surface is provided with fine setting pressure module, can realize the pressure fine setting operation, makes the poor degree of falling of manometer check-up numerical value reduce to the realization changes numerical value to less pressure, realizes the accurate contrast check-up operation of manometer.

2. The utility model discloses the whole majority braking of structure adopts the motor braking, compares traditional manual operation and realizes semi-automatic operation flow, saves the check-up time to increase the check-up speed, the check-up pressure difference can realize going up and down at the uniform velocity, and more accurate provides audio-visual manometer value and contrasts the change.

Drawings

FIG. 1 is a top view of a semi-automatic adjustable pressure gauge calibration stand;

FIG. 2 is a schematic view of a compression structure of a calibration stand of a semi-automatic adjustable pressure gauge;

fig. 3 is a schematic view of an exhaust structure of a semi-automatic adjustable pressure gauge calibration stand.

Illustration of the drawings:

1. checking the plate; 2. a first motor; 3. a first threaded rod; 4. a first sleeve; 5. a first compression cylinder; 6. a pneumatic transmission pipe; 7. a stop valve; 8. a second compression cylinder; 9. a second motor; 10. a second threaded rod; 11. a second sleeve; 12. an exhaust module; 13. a third motor; 14. a third threaded rod; 15. a standard table butt joint block; 16. checking a meter butt joint block; 17. a fixing plate; 18. a piston; 19. a third sleeve; 20. blocking; 21. and (4) exhausting holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a semi-automatic adjustable pressure gauge calibration stand comprises a calibration plate 1, a calibration surface is provided, the upper surface of the calibration plate 1 is horizontal, the accuracy of pressure gauge calibration is guaranteed, a first motor 2 is fixedly arranged on the upper side of the upper surface of the calibration plate 1, a first threaded rod 3 is fixedly connected with the braking end of the first motor 2, the first threaded rod 3 is rotatably connected inside a first sleeve 4, the first sleeve 4 is slidably connected inside a first compression cylinder 5, gas compression operation inside the first compression cylinder 5 is achieved, a stop valve 7 is fixedly arranged on one side of the first compression cylinder 5, air flow stop operation is achieved, a second compression cylinder 8 is fixedly arranged below the stop valve 7, a second sleeve 11 is slidably connected inside the second compression cylinder 8, a second threaded rod 10 is rotatably connected inside the second sleeve 11, and the second threaded rod 10 is fixedly connected with the braking end of a second motor 9, realize the inside gas compression operation of second compression cylinder 8, second compression cylinder 8 deviates from one side surface laminating of connecting second sleeve 11 and is connected with exhaust module 12, provide carminative effect, exhaust module 12's inside sliding connection has third sleeve 19, third sleeve 19's inside rotation is connected with third threaded rod 14, third threaded rod 14 fixed connection is at the brake end of third motor 13, the upper surface lower side position difference fixedly connected with standard table butt joint piece 15 and check meter butt joint piece 16 of check plate 1, realize the butt joint operation of two manometers.

The upper surface of the checking plate 1 is fixedly provided with a fixing plate 17, the fixing plate 17 is fixedly arranged at two sides of the first motor 2 to realize the fixing operation of the first motor 2, the outer surface fixing structure of the second motor 9 and the third motor 13 is the same as that of the first motor 2 to ensure the fixing operation of each motor, the inner part of the first sleeve 4 is fixedly provided with a threaded hole which is correspondingly and rotatably connected with the first threaded rod 3, the end part position of the first sleeve 4 is fixedly provided with a piston 18, the outer diameter of the piston 18 is the same as the inner diameter of the inner space of the first compression cylinder 5 to realize the gas compression sealing property of the inner part, the connecting structure between the second motor 9 and the second compression cylinder 8 is the same as that between the first motor 2 and the first compression cylinder 5, the rod diameter of the second threaded rod 10 is the same as that of the first threaded rod 3, the thread space on the surface of the second threaded rod 10 is smaller than that of the outer surface of the first threaded rod 3, the fine adjustment operation is ensured to be executed, the connection mode among all the pneumatic connecting parts on the upper surface of the check plate 1 is set to be an air pressure transmission pipe 6, the pipe diameters of the air pressure transmission pipes 6 among all the parts are set to be the same, the transmission of the internal air pressure is realized, the inner part of the exhaust module 12 is fixedly provided with a plug 20, the side surface of the plug 20 is fixedly connected with a third sleeve 19, the third sleeve 19 penetrates through the side wall of the exhaust module 12 and is rotatably connected with a third threaded rod 14, two sides in the exhaust module 12 are fixedly connected with the air pressure transmission pipes 6 at two ends respectively, the rear part of the exhaust module 12 is fixedly provided with an exhaust hole 21, the exhaust hole 21 is positioned at the rear side of the connection position of the air pressure transmission pipes 6 at two sides, the adjustment of the exhaust work is ensured, the standard meter butt-joint block 15 and the check meter butt-joint block 16 are fixedly arranged at two sides of the upper, the same internal air pressure is realized for comparison.

The working principle is as follows: when carrying out the manometer check-up operation, at first connect standard pressure table and the manometer that needs the check-up respectively in the top of standard table butt joint piece 15 and check meter butt joint piece, after the butt joint is accomplished, realize the closure of exhaust hole 21 through starting third motor 13, open stop valve 7, at first realize the gas compression of first compression cylinder 5 inside through starting first motor 2, input to the inside of second compression cylinder 8 through pneumatic transmission pipe 6, through the effect of starting second motor 9, realize the pressure fine setting operation, at this in-process, observe the numerical value change of standard pressure table and check-up manometer, with the purpose of realizing the check-up, the setting of each motor of upper portion, realize the semi-automatization flow, the accuracy and the efficiency of inspection have been guaranteed.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent embodiments without departing from the scope of the present invention, but all the technical matters of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a manometer check table with semi-automatic adjustable, includes check-up board (1), its characterized in that: the upper surface of check-up board (1) sets up the level, the fixed first motor (2) that is provided with of upper surface upside of check-up board (1), the first threaded rod (3) of braking end fixedly connected with of first motor (2), first threaded rod (3) are rotated and are connected in the inside of first sleeve (4), first sleeve (4) sliding connection is in the inside of first compression cylinder (5), one side of first compression cylinder (5) is fixed and is provided with stop valve (7), the fixed second compression cylinder (8) that is provided with in below of stop valve (7), the inside sliding connection of second compression cylinder (8) has second sleeve (11), the inside rotation of second sleeve (11) is connected with second threaded rod (10), second threaded rod (10) fixed connection is at the braking end of second motor (9), second compression cylinder (8) deviate from one side surface laminating of connecting second sleeve (11) and are connected with exhaust module (12) ) The utility model discloses a check gauge, the inside sliding connection of exhaust module (12) has third sleeve (19), the inside rotation of third sleeve (19) is connected with third threaded rod (14), third threaded rod (14) fixed connection is at the brake end of third motor (13), the upper surface lower side position difference fixedly connected with standard table butt joint piece (15) and check table butt joint piece (16) of check gauge (1).

2. The semi-automatic adjustable pressure gauge calibration stand of claim 1, wherein: the upper surface of check-up board (1) is fixed and is provided with fixed plate (17), fixed plate (17) are fixed to be set up the both sides in first motor (2), the fixed structure setting of the surface of second motor (9) and third motor (13) is the same with the fixed structure of first motor (2).

3. The semi-automatic adjustable pressure gauge calibration stand of claim 1, wherein: the fixed screw hole that is provided with in inside of first sleeve (4), the screw hole corresponds rotation with first threaded rod (3) and is connected, the fixed piston (18) that is provided with in tip position of first sleeve (4), the external diameter size of piston (18) sets up to the same with the inner space internal diameter size of first compression cylinder (5).

4. The semi-automatic adjustable pressure gauge calibration stand of claim 1, wherein: the connecting structure between the second motor (9) and the second compression cylinder (8) is the same as the connecting structure between the first motor (2) and the first compression cylinder (5), the diameter of the second threaded rod (10) is the same as that of the first threaded rod (3), and the thread pitch of the surface of the second threaded rod (10) is smaller than that of the outer surface of the first threaded rod (3).

5. The semi-automatic adjustable pressure gauge calibration stand of claim 1, wherein: the pneumatic connecting parts on the upper surface of the verification board (1) are all arranged into pneumatic transmission pipes (6) in a connecting mode, and the pipe diameters of the pneumatic transmission pipes (6) among the parts are arranged to be the same.

6. The semi-automatic adjustable pressure gauge calibration stand of claim 1, wherein: the inside of exhaust module (12) is fixed and is provided with and blocks up (20), block up (20) side surface fixedly connected with third sleeve (19), third sleeve (19) run through exhaust module (12) lateral wall and are connected with third threaded rod (14) rotation, the inside both sides of exhaust module (12) respectively with both ends atmospheric pressure transmission pipe (6) fixed connection, the fixed exhaust hole (21) that is provided with in rear portion of exhaust module (12), and exhaust hole (21) are located both sides atmospheric pressure transmission pipe (6) connection position rear side.

7. The semi-automatic adjustable pressure gauge calibration stand of claim 1, wherein: the standard meter butt joint block (15) and the check meter butt joint block (16) are respectively and fixedly arranged on two sides of the upper surface of the check plate (1), and the standard meter butt joint block (15) is connected with the check meter butt joint block (16) through an air pressure transmission pipe (6).