阅读说明：本技术 一种压力表检验方法 (Pressure gauge inspection method ) 是由 缪然清 于 2021-07-21 设计创作，主要内容包括：本发明公开了一种压力表检验方法,包括校验容器,校验容器包括箱体、箱盖、箱门、分隔板、承载板、校验装置、传动机构、第一容纳室和第二容纳室,箱体的顶部铰接有箱盖,箱体的前侧铰接有箱门,箱体的内腔固接有分隔板,分隔板的顶部设置有承载板,承载板的顶部设置有校验装置,箱体的内腔通过分隔板分隔有第一容纳室和第二容纳室,第一容纳室位于第二容纳室的底部,且第一容纳室与箱门相对应,校验装置位于第二容纳室中,箱体的内腔设置有传动机构。本发明结构设计合理,便于对校验装置的存放,避免来回搬运使用,节约时间和体力,减少对校验装置造成磕碰损坏的可能,以及方便对压力表的检验,提高检验效率。(The invention discloses a pressure gauge checking method which comprises a checking container, wherein the checking container comprises a box body, a box cover, a box door, a partition plate, a bearing plate, a checking device, a transmission mechanism, a first accommodating chamber and a second accommodating chamber, the top of the box body is hinged with the box cover, the front side of the box body is hinged with the box door, the inner cavity of the box body is fixedly connected with the partition plate, the top of the partition plate is provided with the bearing plate, the top of the bearing plate is provided with the checking device, the inner cavity of the box body is divided into the first accommodating chamber and the second accommodating chamber through the partition plate, the first accommodating chamber is positioned at the bottom of the second accommodating chamber, the first accommodating chamber corresponds to the box door, the checking device is positioned in the second accommodating chamber, and the inner cavity of the box body is provided with the transmission mechanism. The pressure gauge has reasonable structural design, is convenient to store the calibration device, avoids carrying and using back and forth, saves time and physical force, reduces the possibility of collision and damage to the calibration device, is convenient to inspect the pressure gauge, and improves the inspection efficiency.)

1. The utility model provides a manometer inspection is with check-up container which characterized in that: the checking container comprises a box body (1), a box cover (2), a box door (3), a partition plate (4), a bearing plate (5), a checking device (6), a transmission mechanism (7), a first accommodating chamber (8) and a second accommodating chamber (9), wherein the box cover (2) is hinged to the top of the box body (1), and the box door (3) is hinged to the front side of the box body (1);

a partition plate (4) is fixedly connected to the inner cavity of the box body (1), a bearing plate (5) is arranged at the top of the partition plate (4), and a calibration device (6) is arranged at the top of the bearing plate (5);

the inner chamber of box (1) has first accommodation chamber (8) and second accommodation chamber (9) through division board (4) partition, first accommodation chamber (8) are located the bottom of second accommodation chamber (9), and first accommodation chamber (8) are corresponding with chamber door (3), calibration equipment (6) are arranged in second accommodation chamber (9), the inner chamber of box (1) is provided with drive mechanism (7).

2. The verification container for pressure gauge verification according to claim 1, wherein: the outside rigid coupling of case lid (2) has U-shaped rubber border (201).

3. A method for testing a pressure gauge according to claim 1, wherein: guide sliding grooves (501) are formed in the front end and the rear end of the left side wall and the rear end of the front end and the rear end of the right side wall of the bearing plate (5), guide columns (101) matched with the guide sliding grooves (501) are fixedly connected to the left side wall and the right side wall of an inner cavity of the box body (1), and the bottoms of the guide columns (101) are fixedly connected with the partition plates (4).

4. The verification container for pressure gauge verification according to claim 1, wherein: the checking device (6) comprises a first cavity seat (601) and a second cavity seat (610), the top of the first cavity seat (601) is respectively and uniformly communicated with a first air pipe (602), a second air pipe (603) and a third air pipe (604) from front to back, the first air pipe (602), the second air pipe (603) and the third air pipe (604) are gradually increased, the first air pipe (602) and the third air pipe (604) are arranged in a staggered way with the second air pipe (603), the outer walls of a group of second air pipes (603) on the first cavity seat (601) are communicated with an air inlet nozzle (605), the top of the second cavity seat (610) is communicated with an air outlet pipe (609), an air inlet pipe (606) and a checking air pipe (607), the top output end of the air outlet pipe (609) is communicated with the air inlet nozzle (605) through a guide pipe, the top end of the checking air pipe (607) is in threaded connection with a standard pressure gauge (608).

5. The verification container for pressure gauge verification according to claim 1, wherein: the front side and the rear side of the first cavity seat (601) and the second cavity seat (610) are fixedly connected with positioning blocks, bolts are arranged at the tops of the positioning blocks, and the positioning blocks are connected with the bearing plate (5) through the bolts.

6. The verification container for pressure gauge verification according to claim 1, wherein: the transmission mechanism (7) comprises a linkage rod (704), the left end and the right end of the outer wall of the linkage rod (704) are rotatably connected with bearing seats (705), the bottoms of the bearing seats (705) are fixedly connected with a box body (1), threaded rods (706) are arranged on the left side and the right side of the linkage rod (704), the threaded rods (706) are rotatably connected with a partition plate (4) and the box body (1), the threaded rods (706) are in threaded connection with a bearing plate (5), the outer walls of the two groups of threaded rods (706) are fixedly connected with second secondary bevel gears (707), the left end and the right end of the linkage rod (704) are fixedly connected with first secondary bevel gears (703), the first secondary bevel gears (703) are correspondingly meshed with the second secondary bevel gears (707), a forward and reverse motor (701) is arranged on the rear side of the threaded rod (706) on the left side, and the power output end on the front side of the forward and reverse motor (701) is connected with a main bevel gear (702), and the main bevel gear (702) is meshed with a left second slave bevel gear (707).

7. The verification container for pressure gauge verification according to claim 1, wherein: the forward and reverse rotation motor (701), the main bevel gear (702), the first slave bevel gear (703), the linkage rod (704), the bearing seat (705) and the second slave bevel gear (707) are all located in an inner cavity of the first accommodating chamber (8), and the directions of threads on the two groups of threaded rods (706) are opposite.

8. Method for checking with a checking container for pressure gauges according to claims 1-7, characterized in that: the method comprises the following specific steps:

firstly, a box cover (2) is rotated on a box body (1) to be opened, then a forward and reverse rotation motor (701) is started, a bearing plate (5) on a partition plate (4) and a checking device (6) are moved out of the box body (1) upwards through a transmission mechanism (7), and then the forward and reverse rotation motor (701) is stopped to work.

And step two, communicating and installing a plurality of pressure gauges with the same measuring range to be checked on a first air pipe (602), a second air pipe (603) and a third air pipe (604) respectively through the effect of threaded connection, communicating and installing a standard pressure gauge (608) on a checking air pipe (607) through the effect of threaded connection, and providing stable support for the checking device (6) during checking through the whole box cover (2).

Step three, communicating the air inlet end of an air inlet pipe (606) with external pressure air transmission equipment, transmitting pressure air into a second cavity seat (610), transmitting the pressure air into an air outlet pipe (609) and a check air pipe (607), transmitting the pressure air into a standard pressure gauge (608) through the check air pipe (607), enabling a pointer on the standard pressure gauge (608) to change, recording a numerical value on a dial scale pointed by the pointer, simultaneously transmitting the pressure air into an air inlet nozzle (605) through the air outlet pipe (609), further transmitting the pressure air into a first cavity seat (601) through a group of second air pipes (603), transmitting the pressure air into all first air pipes (602), second air pipes (603) and third air pipes (604) in the first cavity seat (601), and finally transmitting the pressure air into each pressure gauge to be checked, wherein the pointer on the pressure gauge to be checked also changes, and also records the numerical value on the dial scale pointed by the pointer.

And step four, comparing the value recorded by the pressure gauge to be verified with the value recorded by the standard pressure gauge (608), judging that the pressure gauge to be verified with the same value as the standard pressure gauge (608) is qualified without verification, judging that the pressure gauge to be verified with the different value from the standard pressure gauge (608) is unqualified, and verifying, thereby completing the simultaneous verification work of a plurality of pressure gauges with the same measuring range.

And step five, after the checking work is finished, starting a positive and negative rotation motor (701), moving a checking device (6) on the partition plate (4) downwards into the box body (1) through a transmission mechanism (7), then stopping the positive and negative rotation motor (701) from working, rotating the box body (1) to cover the box cover (2), and storing the checking device (6) for checking the pressure gauge.

Technical Field

The invention relates to the technical field of pressure gauge inspection, in particular to a pressure gauge inspection method.

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 the elastic sensitive element of the mechanical pressure gauge.

At present, when the pressure gauge is inspected conventionally, a checking device used for checking the pressure gauge needs to be carried to a test board for use, and the checking device is carried to a storage area for storage after being used up, so that the carrying is time-consuming and labor-consuming, the checking device is easy to collide and damage, the checking sensitivity is reduced, and therefore the pressure gauge inspection method is provided.

Disclosure of Invention

The invention aims to overcome the problems in the prior art, and provides a calibration container for pressure gauge calibration and a calibration method thereof, which are convenient for storing a calibration device, avoiding carrying and using back and forth, saving time and physical strength, reducing the possibility of collision and damage to the calibration device, facilitating the calibration of the pressure gauge and improving the calibration efficiency.

In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:

a calibration container for pressure gauge inspection comprises a box body, a box cover, a box door, a partition plate, a bearing plate, a calibration device, a transmission mechanism, a first accommodating chamber and a second accommodating chamber, wherein the box cover is hinged to the top of the box body, and the box door is hinged to the front side of the box body;

a partition plate is fixedly connected to an inner cavity of the box body, a bearing plate is arranged at the top of the partition plate, and a calibration device is arranged at the top of the bearing plate;

the inner cavity of the box body is divided into a first containing chamber and a second containing chamber through a partition plate, the first containing chamber is located at the bottom of the second containing chamber and corresponds to the box door, the checking device is located in the second containing chamber, and a transmission mechanism is arranged in the inner cavity of the box body.

Preferably, the outside of the case cover is fixedly connected with a U-shaped rubber edge.

Based on the technical characteristics, the cover of the box cover on the box body is convenient to close and limit.

Preferably, the guide sliding grooves are formed in the front end and the rear end of the left side wall and the front end and the rear end of the right side wall of the bearing plate, the guide columns matched with the guide sliding grooves are fixedly connected to the left side wall and the right side wall of the inner cavity of the box body, and the bottoms of the guide columns are fixedly connected with the partition plate.

Based on above-mentioned technical characteristics for through direction spout sliding guide on the guide post when the loading board removes, stability when improving the loading board and removing.

Preferably, the checking device comprises a first cavity seat and a second cavity seat, the top of the first cavity seat is respectively and uniformly communicated with a first air pipe, a second air pipe and a third air pipe from front to back, the first air pipe, the second air pipe and the third air pipe are gradually increased, the first air pipe and the third air pipe are arranged with the second air pipe in a staggered mode, the outer walls of a group of second air pipes on the first cavity seat are communicated with air inlet nozzles, the top of the second cavity seat is communicated with an air outlet pipe, an air inlet pipe and a checking air pipe, the top output end of the air outlet pipe is communicated with the air inlet nozzles through a guide pipe, and the top end of the checking air pipe is communicated with a standard pressure gauge in a threaded mode.

Based on the technical characteristics, the installation of the standard pressure gauge on the calibration air pipe is convenient to fix and disassemble.

Preferably, the front side and the rear side of the first cavity seat and the second cavity seat are fixedly connected with positioning blocks, bolts are arranged at the tops of the positioning blocks, and the positioning blocks are connected with the bearing plate through the bolts.

Based on the technical characteristics, the first cavity seat and the second cavity seat can be conveniently and fixedly installed and detached on the bearing plate, and the whole checking device can be conveniently and fixedly installed and detached on the bearing plate.

Preferably, drive mechanism includes the gangbar, both ends are all rotated and are connected with the bearing frame about the outer wall of gangbar, and the bottom and the box looks rigid coupling of bearing frame, the left and right sides of gangbar all is provided with the threaded rod, the threaded rod all rotates with division board and box to be connected, and threaded rod and loading board threaded connection, and is two sets of the outer wall rigid coupling of threaded rod has the second to follow bevel gear, the equal rigid coupling in both ends has first from bevel gear about the gangbar, and just first from bevel gear and the second from the corresponding mesh of bevel gear, left side the rear side of threaded rod is provided with the motor that just reverses, the front side power take off end of the motor that reverses is connected with main bevel gear, and main bevel gear meshes from bevel gear with the left side second.

Based on above-mentioned technical characteristics, be convenient for transmit the power that positive and negative motor carried out to the threaded rod on, and then drive it and rotate the regulation.

Preferably, the forward and reverse rotation motor, the main bevel gear, the first slave bevel gear, the linkage rod, the bearing seat and the second slave bevel gear are all located in an inner cavity of the first accommodating chamber, and the directions of threads on the two groups of threaded rods are opposite.

Based on above-mentioned technical characteristics, be convenient for can drive the loading board when the threaded rod rotates and reciprocate the regulation in the box.

The invention also provides a method for testing the pressure gauge by using the container, which comprises the following specific steps:

firstly, a box cover is rotated on a box body to be opened, then a forward and reverse motor is started, a bearing plate on a partition plate and a checking device are moved out of the box body upwards through a transmission mechanism, and then the forward and reverse motor is stopped to work;

step two, a plurality of pressure gauges with the same measuring range to be checked are respectively communicated and installed on a first air pipe, a second air pipe and a third air pipe through the effect of threaded connection, standard pressure gauges are also communicated and installed on a checking air pipe through the effect of threaded connection, and the whole box cover provides stable support for the checking device during checking;

thirdly, communicating the air inlet end of the air inlet pipe with external pressure air conveying equipment, conveying pressure air into the second cavity seat, conveying the pressure air into the air outlet pipe and the check air pipe, conveying the pressure air into the standard pressure gauge through the check air pipe, changing a pointer on the standard pressure gauge, recording a numerical value on a dial scale pointed by the pointer, conveying the pressure air into the air inlet nozzle through the air outlet pipe, further conveying the pressure air into the first cavity seat through a group of second air pipes, conveying the pressure air into all the first air pipes, the second air pipes and the third air pipes in the first cavity seat, finally conveying the pressure air into each pressure gauge to be checked, changing the pointer on the pressure gauge to be checked, and recording the numerical value on the dial scale pointed by the pointer;

comparing the value recorded by the pressure gauge to be checked with the value recorded by the standard pressure gauge, judging that the pressure gauge to be checked is qualified if the value of the pressure gauge to be checked is the same as that of the standard pressure gauge, judging that the pressure gauge to be checked is unqualified if the value of the pressure gauge to be checked is not the same as that of the standard pressure gauge, and checking to complete the simultaneous checking work of a plurality of pressure gauges in the same measuring range;

and step five, after the checking work is finished, starting the forward and reverse rotating motor, downwards moving the checking device on the partition plate into the box body through the transmission mechanism, then stopping the forward and reverse rotating motor to work, rotating the box body to cover the box cover, and storing the checking device for checking the pressure gauge.

Compared with the prior art, the invention has the following beneficial effects:

the invention has reasonable structural design, and one specific application of the embodiment is as follows: firstly, the method comprises the following steps: the detection device is accommodated by the box body, and is moved out and accommodated in the box body through the transmission mechanism, and when the detection device is moved out, the box body replaces the test board to be used as a support to facilitate the direct use of the detection device and the storage of the calibration device, so that the possibility of collision and damage to the calibration device caused by the back-and-forth carrying and use is avoided, and the time and the physical power are saved;

secondly, the method comprises the following steps: through being on the first cavity seat among the detection device and being the cooperation that increases gradually and misplace the first trachea, second trachea and third trachea of arranging, be convenient for install the back respectively through threaded connection's effect with a plurality of blocks of meters of the same kind of range of waiting to check, check-up when realizing a plurality of blocks of meters of the same kind of range, improve detection efficiency.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a first schematic structural view of a verification container according to the present invention;

FIG. 2 is a second schematic structural view of the verification container of the present invention;

FIG. 3 is a front view of FIG. 2 of the present invention;

FIG. 4 is a schematic structural diagram of the verification apparatus of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1-box body, 101-guide column, 2-box cover, 201-U-shaped rubber edge, 3-box door, 4-separation plate, 5-bearing plate, 501-guide sliding groove, 6-checking device, 601-first cavity seat, 602-first air pipe, 603-second air pipe, 604-third air pipe, 605-air inlet nozzle, 606-air inlet pipe, 607-checking air pipe, 608-standard pressure gauge, 609-air outlet pipe, 610-second cavity seat, 7-transmission mechanism, 701-positive and negative rotation motor, 702-main bevel gear, 703-first secondary bevel gear, 704-linkage rod, 705-bearing seat, 706-threaded rod, 707-second secondary bevel gear, 8-first accommodating chamber and 9-second accommodating chamber.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, the present invention provides a technical solution: the utility model provides a manometer examines uses check-up container, the check-up container includes box 1, case lid 2, chamber door 3, division board 4, loading board 5, calibration equipment 6, drive mechanism 7, first accommodation chamber 8 and second accommodation chamber 9, and the top of box 1 articulates there is case lid 2, and the outside rigid coupling of case lid 2 has U-shaped rubber border 201, is convenient for close spacing to the lid of case lid 2 on box 1, and the front side of box 1 articulates there is chamber door 3.

As shown in fig. 2, the inner chamber rigid coupling of box 1 has division board 4, the top of division board 4 is provided with loading board 5, the top of loading board 5 is provided with calibration equipment 6, guide chute 501 has all been seted up at both ends around the left sidewall of loading board 5 and both ends around the right sidewall, the equal rigid coupling of the inner chamber left and right sides wall of box 1 has guide post 101 with guide chute 501 matched with, and the bottom and the division board 4 looks rigid coupling of guide post 101, through guide chute 501 sliding guide on guide post 101 when making loading board 5 remove, stability when improving loading board 5 and removing.

As shown in fig. 3, the inner cavity of the box body 1 is divided into a first accommodating chamber 8 and a second accommodating chamber 9 by a partition plate 4, the first accommodating chamber 8 is positioned at the bottom of the second accommodating chamber 9, the first accommodating chamber 8 corresponds to the box door 3, the checking device 6 is positioned in the second accommodating chamber 9, and the inner cavity of the box body 1 is provided with a transmission mechanism 7;

the transmission mechanism 7 comprises a linkage rod 704, the left end and the right end of the outer wall of the linkage rod 704 are rotatably connected with bearing seats 705, the bottoms of the bearing seats 705 are fixedly connected with the box body 1, threaded rods 706 are arranged on the left side and the right side of the bearing seats 705, the threaded rods 706 are rotatably connected with the partition plate 4 and the box body 1, the threaded rods 706 are in threaded connection with the bearing plate 5, second slave bevel gears 707 are fixedly connected with the outer walls of the two groups of threaded rods 706, first slave bevel gears 703 are fixedly connected with the left end and the right end of the linkage rod 704, the first slave bevel gears 703 are correspondingly meshed with the second slave bevel gears 707, a forward and reverse motor 701 is arranged on the rear side of the left threaded rod 706, the front side power output end of the forward and reverse motor 701 is connected with a main bevel gear 702, the main bevel gear 702 is meshed with the left second slave bevel gears 707, the main bevel gear 702 is driven to rotate through the forward and reverse motion of the forward and reverse motor 701, and a group of the first slave bevel gears 703 are jointly driven to drive a group of the second slave bevel gears 707 through the meshing transmission of the main bevel gear 702 and a group of the second slave bevel gears 707 The threaded rod 706 rotates on the partition plate 4, and drives the linkage rod 704 to rotate on the bearing block 705, through the meshing transmission of the other set of first slave bevel gears 703 with the other set of second slave bevel gears 707, when the linkage rod 704 rotates, another group of threaded rods 706 are driven to rotate on the partition plate 4, thereby facilitating the transmission of the power transmitted by the forward and reverse rotation motor 701 to the threaded rod 706, and further drives the motor to rotate, the positive and negative rotation motor 701, the main bevel gear 702, the first driven bevel gear 703, the linkage rod 704, the bearing seat 705 and the second driven bevel gear 707 are all positioned in the inner cavity of the first accommodating chamber 8, through opening and closing with the lid to the rotation of chamber door 3 on box 1, be convenient for to its maintenance, maintenance and use in first accommodation chamber 8, the screw thread opposite direction on two sets of threaded rods 706 is convenient for can drive loading board 5 when threaded rod 706 rotates and reciprocate the regulation in box 1.

As shown in fig. 4, the detecting device 6 includes a first cavity seat 601 and a second cavity seat 610, the top of the first cavity seat 601 is respectively and uniformly communicated with a first air pipe 602, a second air pipe 603 and a third air pipe 604 from front to back, the first air pipe 602, the second air pipe 603 and the third air pipe 604 are gradually increased in height, the first air pipe 602 and the third air pipe 604 are arranged in a staggered manner with the second air pipe 603, so that after a plurality of pressure gauges to be checked with the same measurement range are mounted on all air pipes, the pressure gauges to be checked are mutually staggered and gradually increased in height, so as to observe and record the value on the pressure gauge to be checked, the outer walls of a group of second air pipes 603 on the first cavity seat 601 are communicated with an air inlet nozzle 605, the top of the second cavity seat 610 is communicated with an air outlet pipe 609, an air inlet pipe 606 and a check air pipe 607, the top output end of the air outlet pipe 609 is communicated with the air inlet nozzle 605 through a guide pipe, the pressure gas in the gas outlet pipe 609 is conveniently guided and conveyed into the gas inlet nozzle 605, the top end of the checking gas pipe 607 is in threaded connection with a standard pressure gauge 608, and the standard pressure gauge 608 is conveniently mounted, fixed and detached on the checking gas pipe 607;

the front side and the rear side of the first cavity seat 601 and the second cavity seat 610 are fixedly connected with positioning blocks, bolts are arranged at the tops of the positioning blocks, the positioning blocks are connected with the bearing plate 5 through the bolts, so that the first cavity seat 601 and the second cavity seat 610 can be conveniently installed, fixed and detached on the bearing plate 5, and the whole detection device 6 can be conveniently installed, fixed and detached on the bearing plate 5.

The method also comprises the following concrete steps:

firstly, a box cover 2 is rotated on a box body 1 to be opened, then a forward and reverse rotation motor 701 is started, a bearing plate 5 on a partition plate 4 and a checking device 6 are moved out of the box body 1 upwards through a transmission mechanism 7, and then the forward and reverse rotation motor 701 is stopped to work;

step two, a plurality of pressure gauges with the same measuring range to be checked are respectively communicated and installed on a first air pipe 602, a second air pipe 603 and a third air pipe 604 through the effect of threaded connection, a standard pressure gauge 608 is also communicated and installed on a checking air pipe 607 through the effect of threaded connection, and the whole box cover 2 is used for providing stable support for the checking device 6 during checking;

step three, communicating the air inlet end of the air inlet pipe 606 with external pressure air transmission equipment, transmitting pressure air into the second cavity seat 610, transmitting the pressure air into the air outlet pipe 609 and the check air pipe 607, transmitting the pressure air into the standard pressure gauge 608 through the check air pipe 607, enabling a pointer on the standard pressure gauge 608 to change, recording a numerical value on a dial scale pointed by the pointer, simultaneously transmitting the pressure air into the air inlet nozzle 605 through the air outlet pipe 609, further transmitting the pressure air into the first cavity seat 601 through a group of second air pipes 603, transmitting the pressure air into all the first air pipe 602, the second air pipe 603 and the third air pipe 604 in the first cavity seat 601, finally transmitting the pressure air into each pressure gauge to be checked, changing the pointer on the pressure gauge to be checked, and recording the numerical value on the dial scale pointed by the pointer;

comparing the value recorded by the pressure gauge to be checked with the value recorded by the standard pressure gauge 608, judging that the pressure gauge to be checked with the same value as the standard pressure gauge 608 is qualified without checking, judging that the pressure gauge to be checked with the different value from the standard pressure gauge 608 is unqualified, and checking, thereby completing the simultaneous checking work of a plurality of pressure gauges with the same measuring range;

and step five, after the checking work is finished, starting the forward and reverse rotation motor 701, moving the checking device 6 on the partition plate 4 downwards into the box body 1 through the transmission mechanism 7, then stopping the forward and reverse rotation motor 701 to work, rotating the box body 1 to cover the box cover 2, and storing the checking device 6 for checking the pressure gauge.

Hold detection device 6 through box 1, and shift out and accomodate detection device 6 in box 1 through drive mechanism 7, and when shifting out, use convenient direct detection device 6's use as the support through box 1 replacement testboard, also be convenient for deposit to calibration equipment 6, avoid making a round trip to carry the use and cause the possibility of colliding with the damage to calibration equipment 6, and save time and physical power, be through being on the first cavity seat 601 among detection equipment 6 and increase gradually and the first trachea 602 of dislocation arrangement, the cooperation of second trachea 603 and third trachea 604, be convenient for install the back respectively through threaded connection's effect with a plurality of blocks of meters of the same kind of range of waiting to check, check when realizing a plurality of blocks of meters of the same kind of range, and the efficiency of the inspection is improved.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.