CN212321308U

CN212321308U - Multi-head pressure tester for pipe fittings

Info

Publication number: CN212321308U
Application number: CN202020857390.5U
Authority: CN
Inventors: 蒋干
Original assignee: Zhejiang Jinuo Technology Co ltd
Current assignee: Zhejiang Jinuo Technology Co ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2021-01-08
Anticipated expiration: 2030-05-21

Abstract

The utility model discloses a pipe fitting bull pressure testing machine, which comprises a frame, one side fixedly connected with of frame surveys test panel, survey the lower extreme fixedly connected with pressure section of thick bamboo of test panel, the even a plurality of backup pads of fixedly connected with of lower extreme of pressure section of thick bamboo, and the lower extreme and the frame fixed connection of backup pad, the interior diapire of frame and the inboard fixed mounting at the pressure section of thick bamboo have the pressurized cylinder, pressurized cylinder's flexible end fixedly connected with piston plate, and piston plate and the vertical sealed sliding connection of pressure section of thick bamboo, piston plate, pressure section of thick bamboo and survey and form sealed pressurization chamber jointly between the test panel. The utility model discloses a set up a plurality of pipe fitting pressure testing units, can obtain the withstand voltage value that corresponds of corresponding pipe fitting body to a plurality of (including same kind type or different types) pipe fitting body pressure testing simultaneously, accessible audible-visual annunciator leaks gas simultaneously and reports to the police, and the gas leakage position of pipe fitting body is reminded to gas raise a strip, makes things convenient for the post processing analysis.

Description

Multi-head pressure tester for pipe fittings

Technical Field

The utility model relates to a pressure testing machine technical field especially relates to a pipe fitting bull pressure testing machine.

Background

The pipe fitting standard component needs to use a pressure testing machine to carry out pressure-resistant test after production so as to detect whether the pipe fitting standard component can meet the pressure-resistant requirement, the pressure testing machine on the market is mainly hydraulic pressure generally, but in daily life, the pipe fitting is applied to a gas pressure scene and is also wide, and general pressure testing machine can only carry out pressure-resistant test on a single pipe fitting, the test efficiency is low, and the highest pressure-resistant value of the pipe fitting cannot be obtained quickly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of proposing in the background art, and a pipe fitting bull pressure testing machine that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a multi-head pressure testing machine for pipe fittings comprises a frame, wherein a testing plate is fixedly connected to one side of the frame, a pressure cylinder is fixedly connected to the lower end of the testing plate, a plurality of supporting plates are uniformly and fixedly connected to the lower end of the pressure cylinder, the lower ends of the supporting plates are fixedly connected with the frame, a pressurizing cylinder is fixedly mounted on the inner bottom wall of the frame and on the inner side of the pressure cylinder, a piston plate is fixedly connected to the telescopic end of the pressurizing cylinder and vertically and hermetically and slidably connected with the pressure cylinder, a sealed pressurizing cavity is formed among the piston plate, the pressure cylinder and the testing plate, a pressing cylinder is fixedly mounted on the inner top wall of the frame, a pressing plate is fixedly connected to the telescopic end of the pressing cylinder, and a plurality of pipe fitting pressure testing units; pipe fitting pressure testing unit is including fixing the solid fixed cylinder who surveys test panel upper end, the inlet port with solid fixed cylinder intercommunication is seted up to the interior roof in pressurization chamber, install the solenoid valve on the inlet port, the internal perisporium of solid fixed cylinder is equipped with annular spacing arch, sealing ring and last sealing ring down are installed respectively to the lower extreme of spacing bellied upper end and clamp plate on corresponding the position, be equipped with the pipe fitting body between last sealing ring and the lower sealing ring, survey the upper end of test panel and fixed mounting respectively has gas tightness detector and digital barometer in the both sides of solid fixed cylinder, and the gas tightness detector all seals with the sense terminal of digital barometer and runs through solid fixed cylinder setting.

Preferably, the pressure cylinder is of a square structure.

Preferably, the width of the upper sealing ring and the width of the lower sealing ring are larger than the width of the pipe fitting body.

Preferably, the airtightness detector is electrically connected with an alarm, and the alarm is fixed at the upper end of the test board.

Preferably, the alarm is an audible and visual alarm.

Preferably, the lower end of the pressure plate and the periphery of the upper sealing ring are uniformly and fixedly connected with air lifting strips.

Compared with the prior art, the multi-head pressure testing machine for the pipe fittings has the advantages that:

the utility model discloses a set up a plurality of pipe fitting pressure testing units, can obtain the withstand voltage value that corresponds of corresponding pipe fitting body to a plurality of (including same kind type or different types) pipe fitting body pressure testing simultaneously, accessible audible-visual annunciator leaks gas simultaneously and reports to the police, and the gas leakage position of pipe fitting body is reminded to gas raise a strip, makes things convenient for the post processing analysis.

Drawings

Fig. 1 is a front perspective view of a multi-head pressure testing machine for pipe fittings according to the present invention;

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

In the figure: the device comprises a frame 1, a test board 2, a pressure cylinder 3, a support plate 4, a pressurizing cylinder 5, a piston plate 6, a fixed cylinder 7, an air inlet 8, a pipe fitting body 9, a limiting bulge 10, a lower sealing ring 11, an air tightness detector 12, a digital barometer 13, a pressure plate 14, an upper sealing ring 15, an air lifting strip 16, an alarm 17 and a pressing cylinder 18.

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.

Referring to fig. 1-2, a multi-head pressure testing machine for pipe fittings comprises a frame 1, wherein a testing plate 2 is fixedly connected to one side of the frame 1, a pressure cylinder 3 is fixedly connected to the lower end of the testing plate 2, a plurality of supporting plates 4 are uniformly and fixedly connected to the lower end of the pressure cylinder 3, the lower ends of the supporting plates 4 are fixedly connected to the frame 1, a pressurizing cylinder 5 is fixedly installed on the inner bottom wall of the frame 1 and on the inner side of the pressure cylinder 3, a piston plate 6 is fixedly connected to the telescopic end of the pressurizing cylinder 5, the piston plate 6 is vertically and slidably connected to the pressure cylinder 3, a sealed pressurizing cavity is formed among the piston plate 6, the pressure cylinder 3 and the testing plate 2, a compressing cylinder 18 is fixedly installed on the inner top wall of the frame 1, a pressing plate 14 is fixedly connected to the telescopic end of the compressing;

specifically, pipe fitting pressure testing unit is including fixing the solid fixed cylinder 7 of surveying test panel 2 upper end, the inlet port 8 with solid fixed cylinder 7 intercommunication is seted up to the interior roof in pressurization chamber, install the solenoid valve on the inlet port 8, gu fixed cylinder 7's internal perisporium is equipped with annular spacing arch 10, lower sealing ring 11 and upper sealing ring 15 are installed respectively to spacing arch 10's upper end and the lower extreme of clamp plate 14 on corresponding the position, be equipped with pipe fitting body 9 between upper sealing ring 15 and the lower sealing ring 11, survey test panel 2's upper end and fixed mounting respectively has gas tightness detector 12 and digital barometer 13 in solid fixed cylinder 7's both sides, and gas tightness detector 12 and digital barometer 13's the equal sealed solid fixed cylinder 7 that runs through setting, gas tightness detector 12 and digital barometer 13's sense terminal all is located spacing arch 10's.

The pressure cylinder 3 is of a square structure, conforms to the shape of the test board 2, and has high space utilization rate.

The widths of the upper sealing ring 15 and the lower sealing ring 11 are larger than the width of the pipe fitting body 9, so that the pipe fitting bodies 9 with different widths can be sealed.

The electrical connection of the air tightness detector 12 is provided with an alarm 17, the alarm 17 is fixed at the upper end of the test board 2, the alarm 17 is an audible and visual alarm, and the alarm 17 can give an alarm in the sense of hearing and vision.

The lower extreme of clamp plate 14 and the even fixedly connected with of peripheral circumference at last sealing ring 15 air-lift strip 16 reminds the gas leakage position, the post processing analysis of being convenient for.

It should be noted that the air tightness detector 12, the digital barometer 13 and the alarm 17 are all in the prior art, the internal structure and the working principle are not described in detail, and the air tightness detector 12, the digital barometer 13 and the alarm 17 are all powered by mains supply.

When the utility model is used, a plurality of pipe fitting bodies 9 to be tested are respectively placed at the upper end of the lower sealing ring 11, the pressing cylinder 18 pushes the pressing plate 14 to generate a downward pressure on the pipe fitting bodies 9, the upper sealing ring 15 and the lower sealing ring 11 respectively seal the upper end and the lower end of the pipe fitting bodies 9, the pressing plate 14, the upper sealing ring 15, the pipe fitting bodies 9, the lower sealing ring 11 and the fixed cylinder 7 form a pressure testing space which can only be used for air inlet, and the air lifting strips 16 are enclosed outside the pipe fitting bodies 9;

the piston plate 6 is gradually jacked upwards by the pressurizing cylinder 5, the air in the pressurizing cavity is squeezed into the pressure testing space through the air inlet holes 8 respectively, the air tightness of the pressure testing space is detected by the air tightness detector 12 in real time, the air pressure value of the pressure testing space is detected by the digital barometer 13 in real time, the air leakage is broken until one of the pipe fitting bodies 9 cannot bear the air pressure, after the air tightness detector 12 detects the air leakage of the pipe fitting bodies 9, the alarm 17 gives an alarm to remind a worker to close the electromagnetic valve corresponding to the air leakage pipe fitting body 9 in time, the air leakage is avoided, the air leakage position of the pipe fitting body 9 can be judged through the floating position of the air lifting strip 16, other pipe fitting bodies 9 are not influenced, the pressure testing can be continuously carried out, and the maximum.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The multi-head pressure testing machine for the pipe fittings comprises a frame (1) and is characterized in that one side of the frame (1) is fixedly connected with a testing plate (2), a pressure cylinder (3) is fixedly connected with the lower end of the testing plate (2), a plurality of supporting plates (4) are uniformly and fixedly connected with the lower end of each of the supporting plates (4), the lower end of each of the supporting plates (4) is fixedly connected with the frame (1), a pressurizing cylinder (5) is fixedly arranged on the inner side of each of the inner bottom walls of the frame (1) and on the inner side of the pressure cylinder (3), a piston plate (6) is fixedly connected with the telescopic end of each of the pressurizing cylinders (5), the piston plate (6) is vertically connected with the pressure cylinder (3) in a sealing and sliding manner, a sealed pressurizing cavity is jointly formed among the piston plate (6), the pressure cylinder (3) and the testing plate (2), and a compressing cylinder, a pressing plate (14) is fixedly connected with the telescopic end of the pressing cylinder (18), and a plurality of pipe fitting pressure test units are arranged between the pressing plate (14) and the test plate (2);

the pipe fitting pressure test unit comprises a fixed cylinder (7) fixed at the upper end of the test board (2), the inner top wall of the pressure cavity is provided with an air inlet (8) communicated with the fixed cylinder (7), an electromagnetic valve is arranged on the air inlet hole (8), an annular limiting bulge (10) is arranged on the inner peripheral wall of the fixed cylinder (7), the upper end of the limiting bulge (10) and the lower end of the pressure plate (14) are respectively provided with a lower sealing ring (11) and an upper sealing ring (15) at corresponding positions, a pipe fitting body (9) is arranged between the upper sealing ring (15) and the lower sealing ring (11), an air tightness detector (12) and a digital barometer (13) are respectively and fixedly arranged at the upper end of the test board (2) and at the two sides of the fixed cylinder (7), and the detection ends of the air tightness detector (12) and the digital barometer (13) are sealed and penetrate through the fixed cylinder (7).

2. The multi-head pressure testing machine for pipe fittings according to claim 1, wherein the pressure cylinder (3) is of a square structure.

3. The multi-head pressure test machine for pipe fittings according to claim 1, wherein the widths of the upper sealing ring (15) and the lower sealing ring (11) are larger than the width of the pipe fitting body (9).

4. The multi-head pressure test machine for the pipe fittings according to claim 1, wherein the air tightness detector (12) is electrically connected with an alarm (17), and the alarm (17) is fixed at the upper end of the test board (2).

5. The multi-head pressure test machine for pipe fittings according to claim 4, wherein the alarm (17) is an audible and visual alarm.

6. The multi-head pressure test machine for pipe fittings according to claim 1, wherein the lower end of the pressure plate (14) and the periphery of the upper sealing ring (15) are uniformly and fixedly connected with air lifting strips (16).