CN212721905U

CN212721905U - Flange formula manometer calibration automatic clamping device

Info

Publication number: CN212721905U
Application number: CN202022014228.XU
Authority: CN
Inventors: 徐锦庭
Original assignee: Xinjiang Xixixin New Energy Material Technology Co ltd
Current assignee: Xinjiang Xixixin New Energy Material Technology Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-03-16
Anticipated expiration: 2030-09-15

Abstract

The utility model discloses a flange type pressure gauge calibration automatic clamping device, which comprises a fixed platform, a cylinder, a jacking sleeve, a fixed claw sliding table and a pressure gauge pressing device; the cylinder and the jacking sleeve are respectively positioned in the fixed platform; the top end of a telescopic rod of the air cylinder is fixedly connected with the bottom of the jacking sleeve, and the jacking sleeve is driven to move up and down through the telescopic rod; the fixed claw sliding table is positioned at the top of the fixed platform, and a through hole through which the top end of the jacking sleeve penetrates is reserved in the center; the top end of the jacking sleeve sequentially penetrates through the fixed platform and the fixed claw sliding table and is exposed out of the top, a through groove is reserved in the middle of the jacking sleeve, the top opening of the through groove is located at the top end of the jacking sleeve, and the middle of the through groove is connected with a pressure gauge pressing device through a hose penetrating through the side wall of the jacking sleeve; the fixed claws are movably arranged on the fixed claw sliding table and are uniformly distributed around the top end of the jacking sleeve; and a sliding groove used for the fixed claw to slide along the radius direction is arranged on the fixed claw sliding table.

Description

Flange formula manometer calibration automatic clamping device

Technical Field

The utility model belongs to calibration auxiliary assembly field specifically is a flange formula manometer calibration automatic clamping device.

Background

In the existing pressure gauge pressing device, only a threaded pressure gauge connecting device is arranged, the connecting device cannot be directly connected with a flange type pressure gauge, and can only be connected with the flange type pressure gauge through a connector of a threaded rotary flange, and then fastened with the flange type pressure gauge by utilizing 4-8 bolts (the number of different bolt holes is different according to pound levels of a pressure gauge flange), and in the mode, normal verification and calibration cannot be guaranteed (zero leakage is required due to pressure verification equipment requirements) if the force is not uniform or the force is insufficient in the fastening process. The manual bolt fastening mode not only has low working efficiency, but also has higher working strength.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art not enough, provide a flange formula manometer calibration automatic clamping device to overcome the big work efficiency low problem of current flange formula manometer examination, calibrating device working strength.

In order to solve the technical problem, the utility model discloses the technical scheme who takes as follows:

a flange type pressure gauge calibration automatic clamping device comprises a fixed platform, a cylinder, a jacking sleeve, a fixed claw sliding table and a pressure gauge pressing device;

the cylinder and the jacking sleeve are respectively positioned in the fixed platform; the top end of a telescopic rod of the air cylinder is fixedly connected with the bottom of the jacking sleeve, and the jacking sleeve is driven to move up and down through the telescopic rod;

the fixed claw sliding table is positioned at the top of the fixed platform, and a through hole through which the top end of the jacking sleeve penetrates is reserved in the center; the top end of the jacking sleeve sequentially penetrates through the fixed platform and the fixed claw sliding table and is exposed out of the top, a through groove is reserved in the middle of the jacking sleeve, the top opening of the through groove is located at the top end of the jacking sleeve, and the middle of the through groove is connected with a pressure gauge pressing device through a hose penetrating through the side wall of the jacking sleeve;

the fixed claws are movably arranged on the fixed claw sliding table and are uniformly distributed around the top end of the jacking sleeve; and a sliding groove used for the fixed claw to slide along the radius direction is arranged on the fixed claw sliding table.

Furthermore, a sealing gasket is arranged at the top end of the jacking sleeve, and a through hole matched with the opening at the top end of the jacking sleeve is reserved in the middle of the sealing gasket. The flange type pressure gauge to be calibrated is placed at the top end of the jacking sleeve, is jacked upwards through the jacking sleeve, is in contact with the fixed claw and is tightly gripped, and then standard gas or liquid is injected through the hose by utilizing the pressure gauge pressing device, so that the inspection and calibration work of the flange type pressure gauge is realized.

Specifically, the sliding groove is arranged along the radial direction of the fixed claw sliding table, and the outer end of the sliding groove is open; the bottom of the fixed claw is provided with a sliding block matched with the sliding groove, and the top of the fixed claw is exposed from the upper part of the fixed claw sliding table; the bottom of the fixed claw is arranged in the sliding groove from an opening at the outer end of the sliding groove, and the sliding block is matched with the sliding groove to realize the horizontal sliding of the fixed claw.

Preferably, the number of the fixed claws is at least 3, and the fixed claws are uniformly distributed around the top end of the jacking sleeve so as to realize stable fixation of the flange type pressure gauge to be calibrated.

Furthermore, one end of the hose is connected with the pressure gauge pressing device in a sealing mode through a threaded connector, and the other end of the hose is connected with the jacking sleeve through a loop type connector and sealed through a sealing rubber strip.

Furthermore, an electromagnetic valve used for controlling the operation of the air cylinder is arranged in the fixed platform, the electromagnetic valve is electrically connected with a control panel arranged on the side face of the fixed platform, and the electromagnetic valve is driven by the control panel to control the air cylinder to move up and down.

Has the advantages that:

the utility model discloses automatic clamping device can test and treat the stability of calibrated flange formula manometer and snatch, makes its firm top of fixing at the jack-up cover to effectual improvement work efficiency makes flange formula manometer calibration work show often and shortens, and has avoided manual operation can reduce the intensity of work of examining and deciding the person because of the rework that the gasket pressure caused partially, simultaneously.

Drawings

These and/or other advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings and the following detailed description.

Fig. 1 is a schematic view of the entire structure of the calibrating automatic clamping device for the flange type pressure gauge.

Fig. 2 is a plan view of the stationary jaw slide table.

Fig. 3 is a schematic view of the sliding of the fixed jaw in the sliding slot.

Wherein each reference numeral represents: 1, a cylinder; 2, jacking the sleeve; 21 through grooves; 3, bolts; 4 a flange type pressure gauge; 5, fixing the claw; 51 a slide block; 6 fixing the claw sliding table; 61 sliding chutes; 7, a pressure gauge pressing device; 71 a hose; 8, an electromagnetic valve; 9 a control panel; 10 a sealing gasket; 11, a telescopic rod; 12 the platform is fixed.

Detailed Description

The invention will be better understood from the following examples.

The drawings in the specification show the structure, ratio, size, etc. only for the purpose of matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and not for the purpose of limiting the present invention, so the present invention does not have the essential meaning in the art, and any structure modification, ratio relationship change or size adjustment should still fall within the scope covered by the technical content disclosed in the present invention without affecting the function and achievable purpose of the present invention. Meanwhile, the terms "upper", "lower", "front", "rear", "middle", and the like used in the present specification are for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.

As shown in fig. 1, the automatic clamping device for calibrating the flange type pressure gauge comprises a fixed platform 12, a cylinder 1, a jacking sleeve 2, a fixed claw 5, a fixed claw sliding table 6 and a pressure gauge pressing device 7.

Wherein, the cylinder 1 and the jacking sleeve 2 are respectively positioned inside the fixed platform 12; the top end of a telescopic rod 11 of the cylinder 1 is fixedly connected with the bottom of the jacking sleeve 2 through a bolt 3, and the jacking sleeve 2 is driven to move up and down through the telescopic rod 11.

The fixed claw sliding table 6 is positioned at the top of the fixed platform 12, and a through hole through which the top end of the jacking sleeve 2 penetrates is reserved in the center; the top of jack-up cover 2 passes fixed platform 12 and stationary dog sliding stand 6 in proper order to expose from the top, and the middle part of jack-up cover 2 leaves a logical groove 21, the open-top that leads to groove 21 is located the top of jack-up cover 2, and the middle part that leads to groove 21 is connected with manometer pressure device 7 through the hose 71 that penetrates jack-up cover 2 lateral wall. One end of the hose 71 is connected with the pressure gauge pressing device 7 through a M20 x 1.5 threaded joint, a circular PTFE gasket with the thickness of 2 mm is used as a sealing surface at the connecting part, the other end of the hose is connected with the jack-up and jack-up device 2 through a loop type joint, and sealant is added at the threaded joint to ensure the reliable sealing of the hose connector.

The fixed claws 5 are movably arranged on the fixed claw sliding table 6 and are uniformly distributed around the top end of the jacking sleeve 2; the fixed claw sliding table 6 is provided with a sliding groove 61 for the fixed claw 5 to slide along the radius direction. The sliding groove 61 is arranged along the radius direction of the fixed claw sliding table 6, and the outer end of the sliding groove is open; the bottom of the fixed claw 5 is provided with a slide block 51 matched with the slide groove 61, and the top of the fixed claw 5 is exposed from the upper part of the fixed claw sliding table 6; the bottom of the fixed claw 5 is loaded into the sliding groove 61 from the outer end opening of the sliding groove 61, and the sliding block 51 is matched with the sliding groove 61 to realize the horizontal sliding of the fixed claw 5, as shown in fig. 3.

As shown in fig. 2, the number of the fixing claws 5 is at least 3, and the fixing claws are uniformly distributed around the top end of the jacking sleeve 2 so as to realize stable scraping and fixing of the flange type pressure gauge to be calibrated.

The fixed platform 12 is internally provided with an electromagnetic valve 8 for controlling the operation of the cylinder 1, the electromagnetic valve 8 is electrically connected with a control panel 9 arranged on the side surface of the fixed platform 12, the electromagnetic valve 8 is driven by the control panel 9, and the cylinder 1 is controlled to move up and down.

The top end of the jacking sleeve 2 is provided with a sealing gasket 10, and the middle part of the sealing gasket 10 is provided with a through hole matched with the opening at the top end of the jacking sleeve 2. The flange type pressure gauge to be calibrated is placed at the top end of the jacking sleeve 2, is jacked upwards through the jacking sleeve 2, is in contact with the fixed claw 5 and is tightly grasped, and then standard gas or liquid is injected into the flange type pressure gauge through the hose 71 by utilizing the pressure gauge pressing device 7, so that the inspection and calibration work of the flange type pressure gauge is realized.

When the flange type pressure gauge is used, the electromagnetic valve 8 is driven through the control panel 9, the air cylinder 1 is controlled to move to the initial position, then the DN25/150LB flange type pressure gauge 4 needing to be calibrated is placed on the top end sealing gasket 10 of the jacking sleeve 2, the telescopic rod 11 is driven through the control panel 9 to drive the jacking sleeve 2 to move upwards, the flange type pressure gauge 4 continuously rises, when the upper flange surface of the flange type pressure gauge 4 is blocked by the three claws, and the upward force of the air cylinder is balanced with the force blocked by the three claws, the purpose of automatically fixing and sealing the pressure gauge flange is achieved. The standard gas or liquid sent by the pressure gauge pressing device 7 (model number is SPMK2000E) enters the through groove 21 of the jacking sleeve 2 through the hose 71 and then is transmitted to the pressure gauge, and the verification and calibration of the pressure gauge can be realized. The fastening cylinder of the flange can be selected according to the specific flange calibration pressure so as to ensure sufficient flange fastening force.

Taking a pressure gauge with 150LB pressure grade as an example, the verification and calibration work efficiency is improved by about 24 times, and the verification and calibration work efficiency of the pressure gauge with 300LB pressure grade is improved by about 48 times.

The utility model provides a thought and method of flange formula manometer calibration automatic clamping device specifically realize that this technical scheme's method and approach are many, above only the utility model discloses a preferred embodiment should point out, to the ordinary technical personnel of this technical field, is not deviating from the utility model discloses under the prerequisite of principle, can also make a plurality of improvements and moist decorations, these improvements should also be regarded as with moist decorations the utility model discloses a protection scope. All the components not specified in the present embodiment can be realized by the prior art.

Claims

1. A flange type pressure gauge calibration automatic clamping device is characterized by comprising a fixed platform (12), a cylinder (1), a jacking sleeve (2), a fixed claw (5), a fixed claw sliding table (6) and a pressure gauge pressing device (7);

the cylinder (1) and the jacking sleeve (2) are respectively positioned in the fixed platform (12); the top end of a telescopic rod (11) of the cylinder (1) is fixedly connected with the bottom of the jacking sleeve (2), and the jacking sleeve (2) is driven to move up and down through the telescopic rod (11);

the fixed claw sliding table (6) is positioned at the top of the fixed platform (12), and a through hole through which the top end of the jacking sleeve (2) penetrates is reserved in the center; the top end of the jacking sleeve (2) sequentially penetrates through the fixed platform (12) and the fixed jaw sliding table (6) and is exposed out of the top, a through groove (21) is reserved in the middle of the jacking sleeve (2), the top opening of the through groove (21) is located at the top end of the jacking sleeve (2), and the middle of the through groove (21) is connected with a pressure gauge pressing device (7) through a hose (71) penetrating through the side wall of the jacking sleeve (2);

the fixed claws (5) are movably arranged on the fixed claw sliding table (6) and are uniformly distributed around the top end of the jacking sleeve (2); and a sliding groove (61) for the fixed claw (5) to slide along the radius direction is arranged on the fixed claw sliding table (6).

2. The automatic clamping device for calibrating the flange pressure gauge according to claim 1, wherein a sealing gasket (10) is arranged at the top end of the jacking sleeve (2), and a through hole matched with the opening at the top end of the jacking sleeve (2) is reserved in the middle of the sealing gasket (10).

3. The calibrating automatic clamping device for the flange pressure gauge according to claim 1, wherein the sliding groove (61) is arranged along the radial direction of the fixed jaw sliding table (6), and the outer end of the sliding groove is open; the bottom of the fixed claw (5) is provided with a sliding block (51) matched with the sliding groove (61), and the top of the fixed claw is exposed from the upper part of the fixed claw sliding table (6); the bottom of the fixed claw (5) is arranged in the sliding groove (61) from the outer end opening of the sliding groove (61), and the sliding block (51) is matched with the sliding groove (61) to realize the horizontal sliding of the fixed claw (5).

4. The calibrated automatic clamping device for a flange pressure gauge according to claim 3, characterized in that said fixed jaw (5) is at least 3.

5. The calibrating automatic clamping device for a flange pressure gauge according to claim 1, characterized in that one end of the flexible tube (71) is connected with the pressure gauge pressing device (7) in a sealing way through a threaded joint, and the other end of the flexible tube is connected with the jacking sleeve (2) through a loop type joint and sealed through a sealing rubber strip.

6. The automatic clamping device for calibrating the flange type pressure gauge according to claim 1, wherein an electromagnetic valve (8) for controlling the operation of the air cylinder (1) is arranged in the fixed platform (12), the electromagnetic valve (8) is electrically connected with a control panel (9) arranged on the side surface of the fixed platform (12), and the electromagnetic valve (8) is driven by the control panel (9) to control the air cylinder (1) to move up and down.