CN216349319U

CN216349319U - Measuring device for detecting valve pressure

Info

Publication number: CN216349319U
Application number: CN202122820854.2U
Authority: CN
Inventors: 隋轩; 崔迪; 丁丽丽
Original assignee: BEIJING AEROSPACE PULIN TECHNOLOGY CO LTD
Current assignee: BEIJING AEROSPACE PULIN TECHNOLOGY CO LTD
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-04-19
Anticipated expiration: 2031-11-17

Abstract

The utility model discloses a measuring device for detecting valve pressure, which belongs to the technical field of valve detection and comprises a dynamic data acquisition instrument, wherein a protective box is arranged on the outer side of the dynamic data acquisition instrument, the left side surface of the dynamic data acquisition instrument and the right side surface of the dynamic data acquisition instrument are both fixedly connected with two buffering roller rods, and the left side surface and the right side surface of the protective box are both rotatably connected with a first adjusting screw rod through bearings. This measuring device for detecting valve pressure, through being provided with buffering gyro wheel pole, when dynamic data acquisition appearance removes and produces vibrations, thereby the dynamic data acquisition appearance is controlled or is rocked from top to bottom and can make buffering gyro wheel pole extrusion buffering slope piece, and the first elastic telescopic link of buffering slope piece gliding compression downwards cushions through the reaction force of first elastic telescopic link, reduces the damage that vibrations caused dynamic data acquisition appearance, guarantees the normal life of dynamic data acquisition appearance.

Description

Measuring device for detecting valve pressure

Technical Field

The utility model belongs to the technical field of valve detection, and particularly relates to a measuring device for detecting valve pressure.

Background

In the design, test and production process of the valve, whether the valve is reliable or not needs various index parameters to be verified, in the general design process, an airflow experiment table is used for testing whether the valve is reliable or not, although the testing method is reliable, a large number of personnel and sites are needed in practical application, the testing mode becomes clumsy due to immobility and a single measuring table, the requirements of testing the reliability of the valve in a large number and portable movement cannot be met, the pressure tester integrates the airflow experiment table, and the original large-sized airflow experiment table is changed into small-sized portable multi-channel testing equipment through modes of embedding, data acquisition circuit design, data processing software development and the like, so that the problem of simultaneous measurement of immobility and multiple channels is solved.

However, the dynamic data acquisition instrument in the conventional pressure tester needs to be moved frequently, so that the vibration generated by the movement damages electronic elements inside the dynamic data acquisition instrument, the normal use of the dynamic data acquisition instrument is influenced, and the accuracy of the pressure measurement data of the valve cannot be ensured.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects in the prior art, the utility model provides a measuring device for detecting the pressure of a valve, which solves the problems that the dynamic data acquisition instrument in the traditional pressure tester needs to be moved frequently, so that the electronic elements in the dynamic data acquisition instrument are damaged by vibration generated by the movement, the normal use of the dynamic data acquisition instrument is influenced, and the accuracy of the measured data of the pressure of the valve cannot be ensured.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a measuring device for detecting the pressure of a valve comprises a dynamic data acquisition instrument, wherein a protective box is arranged on the outer side of the dynamic data acquisition instrument, two buffering roller rods are fixedly connected to the left side surface of the dynamic data acquisition instrument and the right side surface of the dynamic data acquisition instrument respectively, a first adjusting screw rod is rotatably connected to the left side surface and the right side surface of the protective box through bearings, a fixed inserting rod is slidably connected to the left side surface and the right side surface of the protective box respectively, the right side surface of the fixed inserting rod is in threaded connection with the outer surface of the first adjusting screw rod, the upper end and the lower end of the fixed inserting rod are in an inclined shape, two limiting slideways are fixedly connected to the left side surface of the inner wall of the protective box and the right side surface of the inner wall of the protective box respectively, a buffering inclined block is slidably connected to the inner wall of the limiting slideways, the lower surface of the buffering inclined block and the lower surface of the inner wall of the limiting slideways are fixedly connected with the same first elastic telescopic rod, the right end of the buffering roller rod is tightly attached to the outer surface of the corresponding buffering inclined block, and the lower surface of the inner wall of the protective box is rotatably connected with a second adjusting screw rod through a bearing.

As a further scheme of the utility model: the lower surface sliding connection of guard box has two to remove the wheel, the top that removes the wheel and the same second elastic telescopic rod of positive fixedly connected with of guard box inner wall.

As a further scheme of the utility model: the lower surface sliding connection of guard box inner wall has two to adjust the sloping piece, the inner wall threaded connection who adjusts the sloping piece is at the surface of second adjusting screw.

As a further scheme of the utility model: the second adjusting screw rod is composed of two screw rods with opposite thread directions, and the right side surface of the adjusting inclined block is inclined.

As a further scheme of the utility model: the protection box is characterized in that an inflation cavity is formed in the protection box, the inner wall of the inflation cavity is connected with two piston rods in a sliding mode, and the top ends of the piston rods are connected to the outer surface of the second adjusting screw in a threaded mode.

As a further scheme of the utility model: the inside of protective housing has seted up the intercommunication chamber, the intercommunication chamber is linked together with aerifing the chamber, the lower surface of protective housing is provided with the sucking disc.

(III) advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

1. the measuring device for detecting the valve pressure is provided with a first adjusting screw rod, a fixed inserted rod, a limiting slideway, a buffering inclined block, a first elastic telescopic rod and a buffering roller rod, when the dynamic data acquisition instrument moves to generate vibration, the dynamic data acquisition instrument shakes left and right or up and down so that the buffering roller rod extrudes the buffering inclined block, the buffering inclined block slides downwards to compress the first elastic telescopic rod, the damage to the dynamic data acquisition instrument caused by vibration is reduced by buffering through the counterforce of the first elastic telescopic rod, the normal service life of the dynamic data acquisition instrument is ensured, when the dynamic data acquisition instrument needs to be used, the fixed insertion rod is driven to slide leftwards by rotating the first adjusting screw rod, the two buffer inclined blocks corresponding to the fixed insertion rod are limited, thereby it is fixed with dynamic data acquisition appearance, prevent that dynamic data acquisition appearance from rocking when using and influencing data line transmission data.

2. This measuring device of check valve pressure, through being provided with the removal wheel, second elasticity telescopic link, aerify the chamber, the piston rod, UNICOM chamber and sucking disc, after removing dynamic data acquisition instrument and accomplishing, the regulation sloping block that drives both sides through rotatory second adjusting screw slides to the middle part, it can upwards slide to make protective housing decline sucking disc and working face contact to remove the wheel under the reaction force of second elasticity telescopic link, the piston rod of both sides slides to the middle part under second adjusting screw's transmission, thereby pass through the inside air of UNICOM chamber suction to aerifing the intracavity with the sucking disc, make the protective housing fix on the working face, avoid bumping the condition that leads to dynamic data acquisition instrument to drop because the mistake and take place, improve the protective effect to dynamic data acquisition instrument.

Drawings

FIG. 1 is a schematic structural view of a front view cross section of the present invention;

FIG. 2 is an enlarged schematic view of a second adjusting screw of the present invention;

FIG. 3 is an enlarged schematic view of FIG. 1 at A;

in the figure: the device comprises a dynamic data acquisition instrument 1, a protective box 2, a first adjusting screw rod 3, a fixed inserted rod 4, a limiting slide rail 5, a buffering inclined block 6, a first elastic telescopic rod 7, a buffering roller rod 8, a moving wheel 9, a second elastic telescopic rod 10, a second adjusting screw rod 11, an adjusting inclined block 12, an inflation cavity 13, a piston rod 14, a communication cavity 15 and a sucker 16.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1-3, the present invention provides a technical solution: a measuring device for detecting the pressure of a valve comprises a dynamic data acquisition instrument 1, a protective box 2 is arranged on the outer side of the dynamic data acquisition instrument 1, two buffering roller rods 8 are fixedly connected with the left side surface of the dynamic data acquisition instrument 1 and the right side surface of the dynamic data acquisition instrument 1, a first adjusting screw rod 3 is rotatably connected with the left side surface and the right side surface of the protective box 2 through bearings, a fixed inserting rod 4 is slidably connected with the left side surface and the right side surface of the protective box 2, the right side surface of the fixed inserting rod 4 is in threaded connection with the outer surface of the first adjusting screw rod 3, the upper end and the lower end of the fixed inserting rod 4 are in an inclined shape, two limiting slide ways 5 are fixedly connected with the left side surface of the inner wall of the protective box 2 and the right side surface of the inner wall of the protective box 2, buffering inclined blocks 6 are slidably connected with the inner wall of the limiting slide ways 5, and the same first elastic telescopic rod 7 is fixedly connected with the lower surfaces of the buffering inclined blocks 6 and the inner wall of the limiting slide ways 5, the right end of the buffering roller rod 8 is tightly attached to the outer surface of the corresponding buffering inclined block 6, and the lower surface of the inner wall of the protective box 2 is rotatably connected with a second adjusting screw rod 11 through a bearing.

Specifically, as shown in fig. 2, the lower surface of the protection box 2 is connected with two movable wheels 9 in a sliding manner, the top end of each movable wheel 9 is fixedly connected with the same second elastic telescopic rod 10 on the front side of the inner wall of the protection box 2, the lower surface of the inner wall of the protection box 2 is connected with two adjustable inclined blocks 12 in a sliding manner, the inner wall of each adjustable inclined block 12 is connected to the outer surface of a second adjusting screw rod 11 in a threaded manner, each second adjusting screw rod 11 is composed of two screw rods with opposite thread directions, and the right side surface of each adjustable inclined block 12 is inclined.

Specifically, as shown in fig. 3, an inflation cavity 13 is formed in the protective box 2, two piston rods 14 are slidably connected to the inner wall of the inflation cavity 13, the top ends of the piston rods 14 are connected to the outer surface of the second adjusting screw 11 in a threaded manner, a communication cavity 15 is formed in the protective box 2, the communication cavity 15 is communicated with the inflation cavity 13, and a suction cup 16 is arranged on the lower surface of the protective box 2.

The working principle of the utility model is as follows:

s1, when the dynamic data acquisition instrument 1 moves to generate vibration, the dynamic data acquisition instrument 1 swings left and right or up and down to enable the buffering roller rod 8 to extrude the buffering inclined block 6, the buffering inclined block 6 slides downwards to compress the first elastic telescopic rod 7, buffering is performed through the reaction force of the first elastic telescopic rod 7, when the dynamic data acquisition instrument 1 needs to be used, the first adjusting screw rod 3 is rotated to drive the fixed inserting rod 4 to slide leftwards, and the fixed inserting rod 4 limits the two corresponding buffering inclined blocks 6, so that the dynamic data acquisition instrument 1 is fixed;

s2, after the mobile dynamic data acquisition instrument 1 is completed, the second adjusting screw 11 is rotated to drive the adjusting inclined blocks 12 on the two sides to slide towards the middle part, the movable wheel 9 can slide upwards under the reaction force of the second elastic telescopic rod 10 to enable the protective box 2 to descend, the sucker 16 is contacted with a working surface, the piston rods 14 on the two sides slide towards the middle part under the transmission of the second adjusting screw 11, and therefore air inside the sucker 16 is pumped into the inflation cavity 13 through the communicating cavity 15, and the protective box 2 is fixed on the working surface.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a measuring device of check valve pressure, includes dynamic data acquisition instrument (1), its characterized in that: the protection box is characterized in that a protection box (2) is arranged on the outer side of the dynamic data acquisition instrument (1), two buffering roller rods (8) are fixedly connected to the left side surface of the dynamic data acquisition instrument (1) and the right side surface of the dynamic data acquisition instrument (1), a first adjusting screw rod (3) is rotatably connected to the left side surface and the right side surface of the protection box (2) through bearings, a fixed inserted rod (4) is slidably connected to the left side surface and the right side surface of the protection box (2), the right side surface of the fixed inserted rod (4) is in threaded connection with the outer surface of the first adjusting screw rod (3), the upper end and the lower end of the fixed inserted rod (4) are inclined, two limiting slide ways (5) are fixedly connected to the left side surface of the inner wall of the protection box (2) and the right side surface of the inner wall of the protection box (2), and a buffering inclined block (6) is slidably connected to the inner wall of the limiting slide ways (5), the lower surface of buffering slope piece (6) and the same first elastic telescopic rod (7) of lower fixed connection of spacing slide (5) inner wall, the right-hand member of buffering gyro wheel pole (8) closely laminates with the surface that corresponds buffering slope piece (6), the lower surface of protective housing (2) inner wall is rotated through the bearing and is connected with second adjusting screw (11).

2. A measuring device for detecting a valve pressure according to claim 1, wherein: the lower surface sliding connection of guard box (2) has two to remove wheel (9), the top of removing wheel (9) and the same second elastic telescopic rod (10) of positive fixedly connected with of guard box (2) inner wall.

3. A measuring device for detecting a valve pressure according to claim 2, wherein: the lower surface sliding connection of guard box (2) inner wall has two to adjust slope piece (12), the inner wall threaded connection who adjusts slope piece (12) is at the surface of second adjusting screw (11).

4. A measuring device for detecting a valve pressure according to claim 3, wherein: the second adjusting screw (11) is composed of two screws with opposite thread directions, and the right side surface of the adjusting inclined block (12) is inclined.

5. The measuring device for detecting valve pressure according to claim 4, wherein: inflation cavity (13) have been seted up to the inside of guard box (2), the inner wall sliding connection in inflation cavity (13) has two piston rods (14), the top threaded connection of piston rod (14) is at the surface of second adjusting screw (11).

6. The measuring device for detecting valve pressure according to claim 5, wherein: the inside of protective housing (2) has been seted up and has been linked together chamber (15), it is linked together to link together chamber (15) and aerify chamber (13), the lower surface of protective housing (2) is provided with sucking disc (16).