CN204831690U - Hydraulic pressure test emptier - Google Patents

Abstract

The utility model provides a hydraulic pressure test emptier, including U type pipe, first air bleeding valve, two manometers, the port at U type pipe both ends is provided with the difference in height, the bottom of U type pipe is provided with the container connector that is used for with the container intercommunication, the port at the both ends of U type pipe all is provided with the manometer connector, two manometers pass through the manometer connector communicates with the both ends that the U type was managed respectively, first air bleeding valve set up in the higher port in U type pipe position on the manometer connector. Air in the U type of the having discharged pipe has improved the accuracy of hydraulic pressure test's final data.

Description

A kind of hydro-test emptier

Technical field

The utility model relates to a kind of hydro-test technical field, in particular to a kind of hydro-test emptier.

Background technology

Hydro-test is a kind of important step that pressure vessel controls product final mass, controls generally to use at the end product quality of pressure vessel.Enterprise does not have special tooling to control when hydro-test usually, during test, the air emptying that existing device can not will be connected in manometric U-shaped pipeline, can have an impact to the data that the tensimeter in test reads, thus produces certain error to the final data of test.

Utility model content

The purpose of this utility model is to provide a kind of hydro-test emptier.To improve the accuracy of the final data of hydro-test.

The utility model is achieved in that

A kind of hydro-test emptier, comprise U-tube, first row air valve, two tensimeters, the port at described U-tube two ends is provided with difference in height, the bottom of described U-tube is provided with for the container connector with reservoir, the port at the two ends of described U-tube is provided with tensimeter connector, described two tensimeters are communicated with the two ends of U-tube respectively by described tensimeter connector, and described first row air valve is arranged on the described tensimeter connector of the higher port in described U-tube position.

Above-described a kind of hydro-test emptier, preferably, also comprises second row air valve, and described second row air valve is arranged at described U-tube and does not arrange on the tensimeter connector of the port of described first row air valve.Can quickly by by the air emptying in container and U-tube by two vent valves, ensure the equal emptying of air at U-tube two ends simultaneously further, thus liquid can fully be contacted with tensimeter, the data that hydro-test records are more accurate.

Above-described a kind of hydro-test emptier, preferably, also comprise two gas outlets, described gas outlet is communicated with described tensimeter connector inside, and described first row air valve, second row air valve are arranged at described two gas outlets one end away from described tensimeter connector respectively.Relative to being arranged on by vent valve on tensimeter connector, be connected by gas outlet with tensimeter connector, then be arranged on gas outlet by vent valve, this set makes installation more convenient, meanwhile, and also convenient operation valve.

Above-described a kind of hydro-test emptier, preferably, described gas outlet is corresponding with described manometric bottom with the connection position of described tensimeter connector.Gas in U-tube can be discharged by above-mentioned being arranged so that as much as possible, and when air is discharged from gas outlet, the liquid in U-tube and the air between tensimeter reduce gradually, and final liquid contacts with tensimeter, and the reading making tensimeter final is more accurate.

Above-described a kind of hydro-test emptier, preferably, described two gas outlets are " L " shape, and the position of one end that described two gas outlets are connected with described first row air valve, second row air valve is all higher than described tensimeter connector.Above-mentioned be arranged to be full of liquid in U-tube after, after namely liquid fully contacts with tensimeter, liquid just can be discharged from the valve of gas outlet further, further ensures between liquid in U-tube and tensimeter and can not there is air.

Above-described a kind of hydro-test emptier, preferably, described gas outlet is threaded with described tensimeter connector.By arranging screw thread to connect, can more convenient installation and removal, time valve is bad, be also convenient to maintenance., be threaded connection, the sealing of this junction is relatively good meanwhile, can bear larger hydraulic pressure and can not leak, thus hydro-test can be carried out better.

Above-described a kind of hydro-test emptier, preferably, described U-tube, gas outlet are made up of alloy steel material.Alloy steel is the iron-carbon alloy adding one or more appropriate alloying elements and form on common straightcarbon steel basis.It has high strength, high tenacity, the performance such as wear-resisting, corrosion-resistant, therefore, the U-tube of alloy steel material and gas outlet can bear very large hydraulic pressure, meet the demand of hydro-test, and not fragile in long-term use procedure, extend the serviceable life of reequiping and putting.

Above-described a kind of hydro-test emptier, preferably, described first row air valve, second row air valve are ball valve.Ball valve has that structure is simple, volume is little, lightweight closely advantage reliably, and it has two sealing surfaces, and the seal face materials of ball valve widely uses various plastics, good airproof performance, can realize sealing completely, can meet the demand of leakproofness during the boosting of hydro-test.And operation is very easy for ball valve, opening and closing is rapid, if from standard-sized sheet to complete shut-down 90-degree rotation, be convenient to remote control.Meanwhile, easy to maintenance, ball-valve structure is simple, and O-ring seal is all generally movable, and dismounting and change is all more convenient.

Above-described a kind of hydro-test emptier, preferably, described tensimeter is threaded with described tensimeter connector.Above-mentionedly be arranged so that tensimeter can be dismantled, be convenient to manometric calibration and maintenance, meanwhile, the connected mode of screw thread also makes junction have good sealing property.

Above-described a kind of hydro-test emptier, preferably, described container connector is external thread connector.Above-mentionedly be arranged so that this device can be connected with the container that will carry out hydro-test well, and the mode be threaded connection makes to connect tightr, better tightness, this device is also detachable, convenient repeatedly long-term use.

The beneficial effect that the utility model realizes: by the tensimeter connector between higher one end, U-tube position and tensimeter arranges the first valve, make in hydro-test, air in test container and U-tube can be discharged completely, liquid when making boosting in U-tube fully contacts with tensimeter, make manometric reading more accurate, thus improve the accuracy of the final data of hydro-test.

Accompanying drawing explanation

In order to be illustrated more clearly in the technical scheme of the utility model embodiment, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present utility model, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is the structural representation of the first embodiment of the present utility model;

Fig. 2 is the structural representation of the second embodiment of the present utility model.

Reference numeral in figure: U-tube 100; First row air valve 200; Tensimeter 300; Container connector 400; Tensimeter connector 500; Second row air valve 600; Gas outlet 700.

Embodiment

Enterprise does not have special tooling to control when hydro-test usually, during test, first the air in container all to be discharged from exhausr port, make to be full of liquid in container, but the air emptying that existing device can not will be connected in manometric U-shaped pipeline, therefore, the data that the tensimeter in test reads can be had an impact, thus certain error is produced to the final data of test.

Inventor, by after the summary of long-term working experience and a large amount of thinkings, proposes a kind of hydro-test emptier, solves the problems referred to above, improve the accuracy of the final data of test.

Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.

First embodiment

With reference to accompanying drawing 1, a kind of hydro-test emptier that the first embodiment of the present utility model provides, comprises U-tube 100, first row air valve 200, two tensimeters 300.

The port at U-tube 100 two ends is provided with difference in height, namely one end of two ports of U-tube 100 is higher than the other end, the bottom of U-tube 100 is provided with for the container connector 400 with reservoir, and container connector 400 is directly communicated with U-tube 100 with the bottom welding of U-tube 100.

Specify in special safety equipment technical manual, hydro-test at least adopts two ranges identical and through the tensimeter 300 of verification, test tensimeter 300 should be arranged on the position that test pressure container top is convenient to observe.Therefore, the port at the two ends of U-tube 100 is provided with tensimeter connector 500, the port of one end U-tube 100 of tensimeter connector 500 is communicated with, internal thread can be set in the inside at the two ends of tensimeter connector 500, the port of U-tube 100 arranges external thread, screwed by screw thread by the port of tensimeter connector 500 with U-tube 100, the other end of tensimeter connector 500 also can be connected with tensimeter 300 by screw thread.Certainly, also other connected modes such as welding can be used.

First row air valve 200 is arranged on the tensimeter connector 500 of the higher port in U-tube 100 position.This tensimeter connector 500 has a hole, and first row air valve 200 is arranged at this hole place, and by the inner space of described hole and tensimeter connector 500.

In the hydro-test of pressure vessel, test(ing) liquid generally adopts water, and before test, container outer surface should keep dry, and from lower vessel portion one adapter mouth toward water filling in container, and establishes exhausr port at container top.Confirm that container is filled by water, gas by whole emptying, and wall temperature identical with water temperature after, slowly could boost (GB150_1998).

And test tensimeter 300 is installed in the tip position of test pressure container, be connected with test pressure container by U-tube 100, in the process of air-discharging, after being filled by water in container, also can there is partial air in the U-tube 100 be connected with pressure vessel, assemble the top with U-tube 100, when making boosting, water in container not easily directly contacts with tensimeter, thus the accuracy of impact test.And after this device is arranged on pressure vessel, begins through exhausr port and discharge air, after pressure vessel is full of water, close exhausr port, continue to pass into water, open first row air valve 200, further the air in U-tube 100 is discharged.After making to discharge air, water can directly contact with tensimeter 300, and during boosting, the data that tensimeter 300 is measured are more accurate, and test figure is more accurate.

Second embodiment

With reference to accompanying drawing 2, the primary structure of a kind of hydro-test emptier that the second embodiment of the present utility model provides is with reference to the first embodiment, it is not used in the first embodiment part and is, in the present embodiment, this emptier also comprises second row air valve 600, and second row air valve 600 is arranged on the tensimeter connector 500 of the port of lower one end, U-tube 100 position.Can quickly by the air emptying in container and U-tube 100 by two vent valves, can when being vented, the exhausr port of closed container, directly open two vent valves, simplify the operation, ensure equal for the air at the two ends of U-tube 100 emptying further simultaneously, thus liquid can fully be contacted with tensimeter 300, the data that hydro-test records are more accurate.

Further, in the present embodiment, this emptier also comprises two gas outlets 700, and gas outlet 700 is communicated with tensimeter connector 500 inside, and first row air valve 200, second row air valve 600 are arranged at two gas outlets 700 one end away from tensimeter connector 500 respectively.Relative to being arranged on by vent valve on tensimeter connector 500, by being connected with tensimeter connector 500 by gas outlet 700, then be arranged on by vent valve on gas outlet 700, this set makes installation more convenient, meanwhile, is also convenient to the operation of valve.Gas outlet 700 is corresponding with the bottom of tensimeter 300 with the connection position of tensimeter connector 500.Gas in U-tube 100 can be discharged by above-mentioned being arranged so that as much as possible.When air is discharged from gas outlet 700, the liquid in U-tube 100 constantly rise and and air between tensimeter reduce gradually, final liquid contacts with tensimeter, and the reading making tensimeter final is more accurate.

Further, gas outlet 700 is threaded with tensimeter connector 500.Tensimeter connector 500 has and is provided with threaded hole, the inner space of described threaded hole and tensimeter connector 500, one end that gas outlet 700 is connected with tensimeter connector 500 is provided with the external thread coordinated with threaded hole, therefore, directly gas outlet 700 can be rotated on tensimeter connector 500, thus complete connection.By arranging screw thread to connect, being convenient to installation and removal, time valve is bad, being also convenient to maintenance., be threaded connection meanwhile, make the sealing of this junction relatively good, larger hydraulic pressure can be born and can not leak, thus hydro-test can be carried out better.Certainly, according to actual conditions, in other embodiments, also gas outlet 700 and tensimeter connector 500 can be connected by other modes such as welding.

Further, in the present embodiment, two gas outlets 700 are " L " shape, and the position of one end that two gas outlets 700 are connected with first row air valve 200, second row air valve 600 is all higher than tensimeter connector 500.After this arrangement ensure that water goes out to flow out from first row air valve 200, second row air valve 600, must be full of liquid in U-tube 100, air can not be had residual in U-tube 100, therefore, water fully can contact with tensimeter 300, and the reading of tensimeter 300 can reflect hydraulic pressure.

In the present embodiment, U-tube 100, gas outlet 700 are made up of alloy steel material.Alloy steel is the iron-carbon alloy adding one or more appropriate alloying elements and form on common straightcarbon steel basis.It has high strength, high tenacity, the performance such as wear-resisting, corrosion-resistant, therefore, U-tube 100 and the gas outlet 700 of alloy steel material can bear very large hydraulic pressure, can meet the demand of hydro-test, and not fragile in long-term use procedure, extend the serviceable life of reequiping and putting.

Further over the ground, in the present embodiment, first row air valve 200, second row air valve 600 are ball valve.Ball valve has that structure is simple, volume is little, lightweight closely advantage reliably, and it has two sealing surfaces, and the seal face materials of ball valve widely uses various plastics, good airproof performance, can realize sealing completely, can meet the demand of leakproofness during the boosting of hydro-test.And operation is very easy for ball valve, opening and closing is rapid, if from standard-sized sheet to complete shut-down 90-degree rotation, be convenient to remote control.Meanwhile, easy to maintenance, ball-valve structure is simple, and O-ring seal is all generally movable, and dismounting and change is all more convenient.

Further, in the present embodiment, tensimeter 300 and tensimeter connector 500 are threaded connection, and the link of tensimeter 300 is provided with the external thread that the internal thread that arranges with tensimeter connector 500 inside mates.Above-mentionedly be arranged so that tensimeter 300 can be dismantled, be convenient to calibration and the maintenance of tensimeter 300, and the connected mode of screw thread also make junction have good sealing property.

Further, in the present embodiment, container connector 400 is external thread connector, and the top of pressure vessel is provided with the threaded connection hole coordinated with external thread connector.This set makes this device to be connected with the container that will carry out hydro-test well, and the mode be threaded connection makes to connect tightr, better tightness.Meanwhile, this set also makes this device to dismantle, and is convenient to repeatedly, long-term use.

In sum, by arranging vent valve in the port of U-tube 100, make in hydro-test, can by the air emptying in the U-tube 100 of Bonding pressure table 300, liquid is fully contacted with tensimeter 300, and the pressure data recorded is more accurate, ensure that the accuracy of final test figure.

For making the object of the utility model embodiment, technical scheme and advantage clearly, above in conjunction with the accompanying drawing in the utility model embodiment, carry out describing clearly and completely to the technical scheme in the utility model embodiment, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.The assembly of the utility model embodiment describing and indicate in usual accompanying drawing herein can be arranged with various different configuration and design.

Therefore, the detailed description of the above embodiment of the present utility model to providing in the accompanying drawings the claimed scope of the present utility model of not intended to be limiting, but only represent selected embodiment of the present utility model.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.

In description of the present utility model, it should be noted that, term " " center ", " on ", D score, " left side ", " right side ", " vertically ", " level ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, or this utility model product orientation of usually putting or position relationship when using, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. only for distinguishing description, and can not be interpreted as instruction or hint relative importance.

In description of the present utility model, also it should be noted that, unless otherwise clearly defined and limited, term " setting ", " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.

Claims (10)

1. a hydro-test emptier, it is characterized in that, comprise U-tube, first row air valve, two tensimeters, the port at described U-tube two ends is provided with difference in height, the bottom of described U-tube is provided with for the container connector with reservoir, the port at the two ends of described U-tube is provided with tensimeter connector, described two tensimeters are communicated with the two ends of U-tube respectively by described tensimeter connector, and described first row air valve is arranged on the described tensimeter connector of the higher port in described U-tube position.

2. a kind of hydro-test emptier according to claim 1, is characterized in that, also comprise second row air valve, and described second row air valve is arranged at described U-tube and does not arrange on the tensimeter connector of the port of described first row air valve.

3. a kind of hydro-test emptier according to claim 2, it is characterized in that, also comprise two gas outlets, described gas outlet is communicated with described tensimeter connector inside, and described first row air valve, second row air valve are arranged at described two gas outlets one end away from described tensimeter connector respectively.

4. a kind of hydro-test emptier according to claim 3, is characterized in that, described gas outlet is corresponding with described manometric bottom with the connection position of described tensimeter connector.

5. a kind of hydro-test emptier according to claim 3 or 4, it is characterized in that, described two gas outlets are " L " shape, and the position of one end that described two gas outlets are connected with described first row air valve, second row air valve is all higher than described tensimeter connector.

6. a kind of hydro-test emptier according to claim 3 or 4, is characterized in that, described gas outlet is threaded with described tensimeter connector.

7. a kind of hydro-test emptier according to claim 3, it is characterized in that, described U-tube, gas outlet are made up of alloy steel material.

8. a kind of hydro-test emptier according to claim 2, is characterized in that, described first row air valve, second row air valve are ball valve.

9. a kind of hydro-test emptier according to claim 1, is characterized in that, described tensimeter is threaded with described tensimeter connector.

10. a kind of hydro-test emptier according to claim 1, is characterized in that, described container connector is external thread connector.