CN211205681U - Air valve airtightness detection equipment for reciprocating compressor - Google Patents
Air valve airtightness detection equipment for reciprocating compressor Download PDFInfo
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- CN211205681U CN211205681U CN201921734864.0U CN201921734864U CN211205681U CN 211205681 U CN211205681 U CN 211205681U CN 201921734864 U CN201921734864 U CN 201921734864U CN 211205681 U CN211205681 U CN 211205681U
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Abstract
The utility model discloses an airtight check out test set of reciprocating compressor pneumatic valve, including baroceptor and with baroceptor electric connection's controller, the controller is electric connection display, cylinder and vacuum pump respectively, still includes a supporting bench, and a supporting bench's upper end rear side is fixed with ascending backup pad, and the upper end of backup pad is fixed with forward diaphragm, and the cylinder is installed on the diaphragm, and the telescopic link of cylinder passes the diaphragm downwards and is connected with vertical exhaust column, and baroceptor is located the exhaust column, and exhaust column and vacuum pump connection, it carries out the sealing mechanism that seals to support tight pneumatic valve upper end when moving down to be provided with on the exhaust column. The air cylinder drives the air pumping cylinder to move downwards, so that the sealing gasket is enabled to abut against the air valve tightly for sealing, when the sealing plate extrudes the pressure sensor, when set pressure is reached, a signal is given to the controller, the controller controls the air cylinder to stop, the laminating pressure is guaranteed, manual fixing and sealing are not needed, and time is saved.
Description
Technical Field
The utility model relates to a compressor pneumatic valve airtight detection field specifically is a reciprocating compressor pneumatic valve airtight check out test set.
Background
At present, the gas valve air tightness test is mostly carried out in a manual or semi-automatic mode, and a large amount of gas labor is consumed in the air tightness test process. In addition, the long working time can cause visual fatigue and increase the risk of missing detection of the product, and the control of the pressure maintaining time is determined by the habit or consciousness of the inspector during the detection. Therefore, the traditional air tightness testing machine has the factors of high labor cost, missing detection, uncertain pressure maintaining time and the like. For this reason, a device capable of setting time and intelligently measuring is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an airtight check out test set of reciprocating compressor pneumatic valve to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the air valve airtightness detection equipment of the reciprocating compressor comprises an air pressure sensor and a controller electrically connected with the air pressure sensor, wherein the controller is respectively and electrically connected with a display, an air cylinder and a vacuum pump;
still include the brace table, the upper end rear side of brace table is fixed with ascending backup pad, and the upper end of backup pad is fixed with decurrent diaphragm, and the cylinder is installed on the diaphragm, and the telescopic link of cylinder passes the diaphragm downwards and is connected with vertical pump bowl, and baroceptor is located the pump bowl, and pump bowl and vacuum pump connection, be provided with on the pump bowl and support when moving down and tightly carry out sealed sealing mechanism on the pneumatic valve.
Preferably, the sealing mechanism comprises a sealing plate which is sleeved on the air pumping cylinder and can move up and down, a sealing ring is arranged between the sealing plate and the air pumping cylinder, a sealing gasket sleeved on the air pumping cylinder is fixed at the lower end of the sealing plate, and a pressure measuring mechanism for measuring sealing pressure is arranged on the air pumping cylinder.
Preferably, the pressure measuring mechanism comprises an annular baffle fixed on the circumference of the air pumping cylinder, the lower end of the baffle is clamped with a pressure sensor fixedly connected with the sealing plate, and the pressure sensor is electrically connected with the controller.
Preferably, the sealing gasket is of an inverted truncated cone shape.
Preferably, four square bottom plates located on the outer side of the air valve are symmetrically arranged on the supporting platform, positioning plates inclined back to back are fixed at the opposite ends of the four bottom plates, a sliding groove pointing to the outer side is formed in each bottom plate, and each sliding groove is connected with the supporting platform through a fastening knob.
Compared with the prior art, the beneficial effects of the utility model are that:
1. according to the size of the air valve, the fastening knob is unscrewed, and the position of the baffle plate is adjusted, so that the air valve is conveniently placed on the lower side of the air suction cylinder for positioning;
2. the air cylinder drives the air pumping cylinder to move downwards, so that the sealing gasket is pressed against the air valve to seal, the sealing plate extrudes the pressure sensor during extrusion, a signal is given to the controller when the pressure sensor reaches a set pressure, the controller controls the air cylinder to stop, the laminating pressure is ensured, manual fixed sealing is not needed, and time is saved;
3. the controller controls the vacuum pump to work, the air pump is vacuumized, the air pressure sensor detects air pressure, the vacuum pump stops after the set pressure is reached, after the set time of the controller, the result detected by the air pressure sensor is displayed on the display through the controller, if the air pressure is reduced or reduced to pass through an allowable range, leakage is shown, the air valve is not sealed well, and if the numerical value is not reduced or reduced to be within the set range, the air tightness is shown to be good; in the intelligent detection, manual detection is not needed, time is set by a timer in the controller, human influence is eliminated, and the method is more accurate.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
in the figure: 1 air pressure sensor, 11 displays, 12 air cylinders, 13 vacuum pumps, 2 support tables, 21 support plates, 22 suction cylinders, 23 sealing plates, 24 sealing gaskets, 25 baffles and 26 pressure sensors.
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.
Referring to fig. 1 to 2, the present invention provides a technical solution of an air valve airtightness testing apparatus for a reciprocating compressor: an airtight detection device of reciprocating compressor air valve, including the baroceptor 1 and the controller with baroceptor 1 electric connection, the controller is electric connection display 11, air cylinder 12 and vacuum pump 13 separately, this is prior art, it is already mature on the market, the detailed circuit is not detailed any more, the sealing mechanism includes the closing plate 23 that can move up and down that cup joints on the air suction tube 22, there are seal rings between closing plate 23 and air suction tube 22, and the bottom end of the closing plate 23 is fixed with the sealed pad 24 that cup joints on the air suction tube 22, there is a pressure measurement mechanism to measure the sealing pressure on the air suction tube 22, the upper end of the air valve is a tubular plane, here the diameter of the air suction tube 22 is far smaller than the internal diameter of the air valve, thus facilitate the insertion, also adapt to the air valve of reciprocating compressor of different diameter size, and the closing plate 23 is bigger, the pressure measurement mechanism, air can be pumped, and if air leaks, the inside of the air valve has problems.
The pneumatic air pressure measuring device comprises a support table 2, an upward support plate 21 is fixed on the rear side of the upper end of the support table 2, a forward transverse plate is fixed on the upper end of the support plate 21, an air cylinder 12 is installed on the transverse plate, an expansion rod of the air cylinder 12 penetrates through the transverse plate downwards to be connected with a vertical air pumping cylinder 22, an air pressure sensor 1 is located in the air pumping cylinder 22, the air pumping cylinder 22 is connected with a vacuum pump 13, a sealing mechanism which tightly abuts against the upper end of an air valve to seal when moving downwards is arranged on the air pumping cylinder 22, a pressure measuring mechanism comprises an annular baffle plate 25 fixed on the circumferential direction of the air pumping cylinder 22, a pressure sensor 26 fixedly connected with a sealing plate 23 is clamped at the lower end of the baffle plate 25, the pressure sensors 26 are electrically connected with a controller, two pressure sensors can be arranged to guarantee stress balance, then an average value is obtained, thereby control cylinder 12 stops, sealed pad 24 is radius platform type, when receiving the extrusion of pneumatic valve upper end, can extrude sealed pad 24's inclined plane, the exhaust pump 2 of laminating more easily, increase the leakproofness, the symmetry is provided with four square bottom plates 3 that are located the pneumatic valve outside on the brace table 2, four 3 relative one ends of bottom plate are fixed with the locating plate 31 of back of the body slope mutually, the spout in directional outside has been seted up on the bottom plate 3, and be connected through the fastening knob between spout and the brace table 2, avoid the pneumatic valve opening skew too big.
The working principle is as follows: according to the size of the air valve, the fastening knob is unscrewed, the position of the baffle plate 25 is adjusted, so that the air valve is conveniently placed on the lower side of the air extraction cylinder 22 for positioning, the air cylinder 12 drives the air extraction cylinder 22 to move downwards, the sealing gasket 24 is urged to abut against the air valve for sealing, the sealing plate 23 extrudes the pressure sensor 26 during extrusion, when the set pressure is reached, a signal is given to the controller, the controller controls the air cylinder 12 to stop, the laminating pressure is ensured, manual fixing and sealing are not needed, and the time is saved;
then the controller controls the vacuum pump 13 to work, the air pump 22 is vacuumized, the air pressure sensor 1 detects the air pressure, the vacuum pump 13 stops after the set pressure is reached, after the time set by the controller, the result detected by the air pressure sensor 1 is displayed on the display 11 through the controller, if the air pressure is reduced or reduced to pass through an allowable range, leakage is shown, the air valve sealing is not good, and if the numerical value is not reduced or reduced to be within the set range, the air tightness is good.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The air valve airtightness detection equipment of the reciprocating compressor comprises an air pressure sensor (1) and a controller electrically connected with the air pressure sensor (1), wherein the controller is respectively and electrically connected with a display (11), an air cylinder (12) and a vacuum pump (13);
the method is characterized in that: still include brace table (2), the upper end rear side of brace table (2) is fixed with ascending backup pad (21), and the upper end of backup pad (21) is fixed with decurrent diaphragm, and cylinder (12) are installed on the diaphragm, and the telescopic link of cylinder (12) passes the diaphragm downwards and is connected with vertical pump bowl (22), and baroceptor (1) is located pump bowl (22), and pump bowl (22) are connected with vacuum pump (13), support tight pneumatic valve upper end when moving down and carry out sealing mechanism on pump bowl (22).
2. The reciprocating compressor gas valve airtightness detection apparatus according to claim 1, wherein: the sealing mechanism comprises a sealing plate (23) which is sleeved on the air pumping cylinder (22) and can move up and down, a sealing ring is arranged between the sealing plate (23) and the air pumping cylinder (22), a sealing gasket (24) sleeved on the air pumping cylinder (22) is fixed at the lower end of the sealing plate (23), and a pressure measuring mechanism for measuring sealing pressure is arranged on the air pumping cylinder (22).
3. The reciprocating compressor gas valve airtightness detection apparatus according to claim 2, wherein: the pressure measuring mechanism comprises an annular baffle (25) fixed on the circumferential direction of the air pumping cylinder (22), a pressure sensor (26) fixedly connected with the sealing plate (23) is clamped at the lower end of the baffle (25), and the pressure sensor (26) is electrically connected with the controller.
4. The reciprocating compressor gas valve airtightness detection apparatus according to claim 3, wherein: the sealing gasket (24) is in an inverted circular truncated cone shape.
5. The reciprocating compressor gas valve airtightness detection apparatus according to any one of claims 1 to 4, wherein: four square bottom plates (3) located on the outer side of the air valve are symmetrically arranged on the supporting table (2), one opposite ends of the four bottom plates (3) are fixedly provided with positioning plates (31) which are inclined oppositely, sliding grooves pointing to the outer side are formed in the bottom plates (3), and the sliding grooves are connected with the supporting table (2) through fastening knobs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921734864.0U CN211205681U (en) | 2019-10-16 | 2019-10-16 | Air valve airtightness detection equipment for reciprocating compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921734864.0U CN211205681U (en) | 2019-10-16 | 2019-10-16 | Air valve airtightness detection equipment for reciprocating compressor |
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| Publication Number | Publication Date |
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| CN211205681U true CN211205681U (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921734864.0U Active CN211205681U (en) | 2019-10-16 | 2019-10-16 | Air valve airtightness detection equipment for reciprocating compressor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112683470A (en) * | 2020-12-31 | 2021-04-20 | 重庆诺伯斯自动化设备有限公司 | Air tightness test method and equipment capable of shortening test time |
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2019
- 2019-10-16 CN CN201921734864.0U patent/CN211205681U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112683470A (en) * | 2020-12-31 | 2021-04-20 | 重庆诺伯斯自动化设备有限公司 | Air tightness test method and equipment capable of shortening test time |
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