CN202947842U - Leakage detection device for air suction pipe of compressor - Google Patents

Leakage detection device for air suction pipe of compressor Download PDF

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Publication number
CN202947842U
CN202947842U CN 201220613437 CN201220613437U CN202947842U CN 202947842 U CN202947842 U CN 202947842U CN 201220613437 CN201220613437 CN 201220613437 CN 201220613437 U CN201220613437 U CN 201220613437U CN 202947842 U CN202947842 U CN 202947842U
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CN
China
Prior art keywords
air intake
intake duct
annular seal
measured
seal space
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Expired - Lifetime
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CN 201220613437
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Chinese (zh)
Inventor
云天川
魏夫
付国靖
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TCL Rechi Huizhou Refrigeration Equipment Co Ltd
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TCL Rechi Huizhou Refrigeration Equipment Co Ltd
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Priority to CN 201220613437 priority Critical patent/CN202947842U/en
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Abstract

The utility model discloses a leakage detection device for an air suction pipe of a compressor. The leakage detection device comprises a sealing assembly of a sealing cavity formed by sealing a welding portion of an air suction pipe to be detected, an air inflating assembly for inflating the sealing cavity and an air leakage observing assembly arranged outside the sealing cavity. By means of the leakage detection device, a welding condition of the welding portion of the air suction pipe of the compressor can be judged fast and precisely, and the leakage detection device is favorable for controlling compressor quality.

Description

A kind of compressor suction duct leak-checking apparatus
Technical field
The utility model relates to a kind of compressor pick-up unit technical field, particularly the bubble-tight compressor suction duct leak-checking apparatus of a kind of test compression machine air intake duct weld.。
Background technology
Compressor is a kind of driven fluid machinery that low-pressure gas is promoted to high pressure, and the air intake duct in its structure has higher impermeability requirement.If the impermeability of air intake duct is not enough, in compressor operation, easily leak gas, thereby cause suction deficiency, power consumption to increase or produce gas turbulence, corrode compressor inner structure.Based on energy-conserving and environment-protective production and the demand that reduces production costs, the compressor industry is replaced by electric resistance welding gradually by original silver soldering circle soldering on the air intake duct welding technology.But welding appears in electric resistance welding after welding can't process when tight again, can cause scrapping of whole compressor equipment.Particularly in current compressor is produced, can complete the approximately welding of 4000 air intake ducts every day, if can not in time check out the welding position impermeability of air intake duct, with causing the batch of product to scrap, bring serious economic loss to enterprise.Therefore, before the assemble compressible machine and carry out air intake duct when welding, the impermeability that checks the air intake duct welding position seems and is even more important.
Summary of the invention
The deficiency that exists in order to solve above-mentioned prior art, the utility model provides a kind of contracting machine air intake duct leak-checking apparatus.
The purpose of this utility model is achieved through the following technical solutions:
A kind of compressor suction duct leak-checking apparatus comprises the seal assembly that forms annular seal space with the welding position sealing of air intake duct to be measured, and the inflatable component of described annular seal space inflation and the gas leakage that is arranged on outside annular seal space are observed assembly.
The welding position of described seal assembly and air intake duct to be measured consists of annular seal space; Inflatable component is filled with gases at high pressure and keeps a period of time described annular seal space; In keeping inflationtime, can observe assembly by the outer gas leakage of annular seal space and observe air intake duct welding position impermeability.
Described seal assembly comprises to be accepted the chassis, is arranged on to accept on the chassis and is used for laying the bed die of air intake duct to be measured and is arranged on bed die correspondence top and observes with described gas leakage the mold that assembly is communicated with; Described bed die comprises at right angle setting in the cylindrical shell of accepting the chassis, and in described cylindrical shell, shaft position is provided with to be fixed in and accepts the plug that is used for stopping up air intake duct tube chamber to be measured on the chassis; Described bed die and accept between the chassis, be respectively arranged with seal above bed die; The welding position of described bed die, mold and air intake duct to be measured consists of annular seal space.
Described mold and bed die can grip air intake duct to be measured, make on air intake duct to be measured the welding position inwall towards described bed die the cylinder chamber in; Described plug stops up the tube chamber of air intake duct to be measured; Cylinder chamber, the welding position inwall of air intake duct to be measured, the plug of accepting chassis, bed die enclose described annular seal space jointly; Simultaneously, be provided with seal at described bed die with accepting chassis, bed die upper end and air intake duct to be measured contact site, help the lift-off seal chamber impermeability, keep the annular seal space internal gas pressure, be conducive to accurately judge the welding quality of welding portion.
Described gas leakage is observed assembly and is comprised the tank that is arranged on described mold top and at least one view window of tank sidewall; Described mold is a derby, and described derby is arranged between annular seal space and tank, and the welding position of connection air intake duct to be measured and the passage of tank are set in derby.
Air intake duct to be measured is stated the seal assembly clamping, and the welding position of air intake duct to be measured and seal assembly just can be poured water in described tank after consisting of described annular seal space.The liquid level of water trough inner water should be higher than described view window, convenient observation.Passage due to air intake duct weld outer wall to be measured by mold is connected with described tank inside, if in the gas replenishment process to annular seal space, there is gas to reveal through the air intake duct weld, reveals gas and just can enter in tank by the passage of above-mentioned mold, and form bubble in tank.The operator sees through the impermeability that described view window can observe directly the air intake duct welding position, and simple, with low cost, its testing result reliability is high.
Further, the utility model also comprises locking device; Described locking device comprises tie down screw and the fixed mount of tie down screw be used for to be installed, and described tie down screw lower end is connected with the roof of tank or is connected with mold.
Described seal assembly, inflatable component, gas leakage are observed assembly and are arranged on same worktable, and described fixed mount is arranged on described worktable.Be provided with screw on described fixed mount, tie down screw is rotatably installed in screw, by the turn tie down screw, can make mold and bed die locking air intake duct to be measured, and the three is fitted tightly.The effect of locking device is to lock mold and bed die, avoids the surface of contact of mold, bed die and air intake duct to be measured the gap to occur, to strengthen the impermeability of described annular seal space, guarantees that testing result is true, reliable.
Described accepting is provided with air hole in the chassis, be provided with the plug through hole in described plug, and described air hole is communicated with the plug through hole and forms breather line with inflatable component, annular seal space.
Be respectively arranged with air hole and plug through hole in accepting the chassis He in plug, and form breather line with inflatable component and annular seal space, need not separately to establish pipeline communication inflatable component and annular seal space, can effectively reduce equipment volume when saving cost; Simplify the annular seal space structure, be conducive to improve described annular seal space impermeability.
Described plug is compressible plug, and its upper end is provided with the truncated cone-shaped elastic component that the welding position with air intake duct to be measured suits.
The plug upper end arranges the elastic component that the welding position with air intake duct to be measured suits, and purpose is to make described plug to be combined closely with the tube chamber of air intake duct to be measured, formation positiver sealing chamber; When upper/lower die clamps air intake duct to be measured, described truncated cone-shaped elastic component will produce certain elastic deformation, strengthen sealing effectiveness.
Described inflatable component comprises inflator, gas storage pressure maintaining tank, and described gas storage pressure maintaining tank connects respectively inflator and the air hole of accepting in the chassis, and described gas storage pressure maintaining tank is provided with vent valve; Be provided with rain glass between gas storage pressure maintaining tank and described air hole.
Preferably, described gas storage pressure maintaining tank is connected with described inflator by the fast aeration head, also is provided with the ventilating control valve between described gas storage pressure maintaining tank and described air hole.
The gas storage pressure maintaining tank can store the gas that is filled with by inflator, and makes it be filled with described annular seal space under certain pressure, can keep certain air pressure with the gas that guarantees annular seal space, guarantees the stable of testing result; Vent valve can drain the gas in gas storage pressure maintaining tank and annular seal space, the air intake duct of completing to take out test after test finishes; Barometric be provided with help the operator to pass into the sealing intracavity gas air pressure monitor.
Principle of work of the present utility model is as follows: air intake duct to be measured is arranged on bed die, and make compressible plug be jammed in the welding position of air intake duct to be measured, rotatably compress tie down screw, impel mold and bed die to clamp air intake duct to be measured, form an annular seal space between air intake duct weld to be measured, bed die, compressible plug.The water higher than view window of packing in tank; Inflator is inflated the gas storage pressure maintaining tank, after the gas in the gas storage pressure maintaining tank reaches certain pressure, opens the ventilating control valve that is arranged between gas storage pressure maintaining tank and air hole, and annular seal space is filled with gases at high pressure, and keeps certain hour.By bubble whether occurring in view window Observable annular seal space; If bubble occurs, represent the weld failure welding of air intake duct, poor air-tightness; Occur if there is no above-mentioned phenomenon, represent that air intake duct impermeability to be measured is good.
A kind of compressor suction duct leak-checking apparatus disclosed in the utility model has following beneficial effect with respect to prior art:
The utility model can air intake duct weld complete after or be assembled into compressor before, welding position impermeability on air intake duct is carried out fast detecting with timely discovery welding technology problem and it is revised, prevent that a large amount of unacceptable products from producing, avoiding the air intake duct of impermeability deficiency to be applied to the compressor assembling and affecting compressor performance.
2. the utility model is respectively arranged with air hole and plug through hole in accepting the chassis He in plug, and form breather line with inflatable component and annular seal space, need not separately to establish pipeline communication inflatable component and annular seal space, can effectively reduce equipment volume when saving cost; Simplify the annular seal space structure, be conducive to improve described annular seal space impermeability.
3. the utility model has adopted the compressible plug with truncated cone-shaped elastic component, and described truncated cone-shaped elastic component will produce certain elastic deformation in test process, strengthens the sealing effectiveness of described annular seal space.
4. the utility model is provided with the gas storage pressure maintaining tank between annular seal space and inflator, and the gaseous tension of guaranteeing to be filled with annular seal space is stable, helps to improve to detect degree of accuracy.
Description of drawings
Fig. 1 is a kind of compressor suction duct leak-checking apparatus of the utility model structural representation;
Fig. 2 is another angle structural representation of a kind of compressor suction duct leak-checking apparatus of the utility model;
Fig. 3 is compressible stopper structure schematic diagram;
Fig. 4 is a kind of compressor suction duct leak-checking apparatus of the utility model structural representation.
Embodiment
For the ease of it will be appreciated by those skilled in the art that below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail:
Embodiment 1
As Fig. 1 and a kind of compressor suction duct leak-checking apparatus shown in Figure 2, comprise the seal assembly that forms annular seal space with the welding position sealing of air intake duct 9 to be measured, to the inflatable component of described annular seal space inflation and be arranged on the outer gas leakage of annular seal space and observe assembly.
The welding position of described seal assembly and air intake duct to be measured 9 consists of annular seal space jointly; Inflatable component is filled with gases at high pressure and keeps a period of time described annular seal space; Keeping aeration period, can observe assembly by the outer gas leakage of annular seal space and observe air intake duct welding position impermeability.
Described seal assembly comprises to be accepted chassis 1, is arranged on to accept on chassis 1 and is used for laying the bed die 2 of air intake duct 9 to be measured and is arranged on bed die correspondence top and observes with described gas leakage the mold 3 that assembly is communicated with; Described bed die 2 comprises at right angle setting in the cylindrical shell of accepting chassis 1, and in described cylindrical shell, shaft position is provided with to be fixed in and accepts the plug 4 that is used for stopping up air intake duct tube chamber to be measured on chassis 1; Described bed die 2 and accept between chassis 1, be respectively arranged with seal above bed die 2; Described bed die 2, mold 3 consist of annular seal space with the welding position of air intake duct 9 to be measured.
Described mold 3 can grip air intake duct to be measured with counterdie 2 tools, makes welding position inwall on air intake duct 9 to be measured in the cylinder chamber of described bed die 2; The tube chamber of 4 pairs of air intake ducts 9 to be measured of described plug stops up; Cylinder chamber, the welding position inwall of air intake duct to be measured 9, the plug 4 of accepting chassis 1, bed die 2 enclose described annular seal space jointly; Simultaneously, be provided with seal at described bed die 2 with accepting chassis 1, bed die 2 upper ends and air intake duct to be measured 9 contacts site, help the lift-off seal chamber impermeability, keep the annular seal space internal gas pressure, be conducive to accurately judge the welding quality of welding portion.
Above-mentioned seal can adopt all kinds of packoffs commonly used to realize, in the present embodiment, seal is selected O RunddichtringO 21.
Above-mentioned gas leakage is observed assembly and is comprised the tank 5 that is arranged on mold 3 tops and a view window of tank sidewall; Described mold 3 is a derby, and described derby is arranged between annular seal space and tank 5, and the welding position of connection air intake duct to be measured and the passage of tank 5 are set in derby.
Air intake duct 9 to be measured is stated the seal assembly clamping, and the welding position of air intake duct to be measured and seal assembly just can be poured water in described tank 5 after consisting of described annular seal space.The liquid level of tank 5 interior water should be higher than described view window, convenient observation.Passage due to air intake duct 9 weld outer walls to be measured by mold 3 is connected with described tank 5 inside, if in the gas replenishment process to annular seal space, there is gas to reveal through the air intake duct weld, reveal gas and just can enter in tank 5 by the passage of above-mentioned mold 3, and form bubble in tank 5.The operator sees through the impermeability that described view window can observe directly air intake duct 9 welding positions, and simple, with low cost, its testing result reliability is high.
For strengthening the sealing grade of above-mentioned annular seal space, the utility model also comprises locking device; Described locking device comprises tie down screw 7 and the fixed mount 71 of tie down screw 6 be used for to be installed, and described tie down screw 6 lower ends are connected with the roof of tank 5.
Described seal assembly, inflatable component, gas leakage are observed assembly and are arranged on same worktable 7, and described fixed mount 71 is arranged on described worktable 7.Be provided with screw on described fixed mount 71, tie down screw 6 is rotatably installed in screw, by turn tie down screw 6, can make mold 3 and bed die 2 locking air intake ducts 9 to be measured, and the three is fitted tightly.The effect of locking device is to lock mold 3 and bed die 2, avoids mold 3, bed die 2 gap to occur with the surface of contact of air intake duct 9 to be measured, with the impermeability of the above-mentioned annular seal space of further reinforcement, guarantees that testing result is true, reliable.
Described accepting is provided with air hole 11 in chassis 1, be provided with plug through hole 41 in described plug 4, and described air hole 11 is communicated with plug through hole 41 and forms breather line with inflatable component, annular seal space.
The utility model designer finds in to the utility model development, and the structure in annular seal space is more simplified, and more is conducive to strengthen its sealing ability.Therefore be respectively arranged with air hole 11 and plug through hole 41 in accepting chassis 1 He in plug 4, and form breather line with inflatable component and annular seal space, need not separately to establish pipeline communication inflatable component and annular seal space, can simplify the annular seal space structure, be conducive to improve described annular seal space impermeability.
In the present embodiment, above-mentioned plug 4 is compressible plug.As shown in Figure 3, its upper end is provided with the truncated cone-shaped elastic component 42 that the welding position with air intake duct 9 to be measured suits.
Plug 4 upper ends arrange the elastic component 42 that the welding position with air intake duct 9 to be measured suits, and purpose is to make described plug 4 to be combined closely with the tube chamber of air intake duct 9 to be measured, formation positiver sealing chamber; When upper/lower die clamps air intake duct to be measured, described truncated cone-shaped elastic component 42 will produce certain elastic deformation, strengthen sealing effectiveness.
Described inflatable component comprises connecting to be accepted the inflator of the air hole 11 in chassis 1 and is arranged on inflator rain glass 81, the vent valve 82 middle with accepting chassis 1, and 11 of above-mentioned vent valve 82 and air holes are provided with the ventilating control valve.
Being provided with of rain glass 81 helps the operator pressure that passes into the sealing intracavity gas monitored, and further air pressure maintained in optimum test specification; Close inflator and open vent valve 82, can discharge the gas in annular seal space, to finish test.
Its workflow of above-mentioned compressor air intake duct leak-checking apparatus is as follows: by mold 3 and bed die 2, air intake duct 9 to be measured is gripped, make welding position inwall on air intake duct 9 to be measured in the cylinder chamber of described bed die 2; The tube chamber of 4 pairs of air intake ducts 9 to be measured of described plug stops up; Cylinder chamber, the welding position inwall of air intake duct to be measured 9, the plug 4 of accepting chassis 1, bed die 2 enclose described annular seal space jointly.Turn tie down screw 6 orders about mold 3 and bed die 2 locking air intake ducts 9 to be measured, and the three fits tightly and strengthens the annular seal space impermeability.Pour water in described tank 5, make liquid level higher than view window.Start inflator, close vent valve 82 and open the ventilating control valve, inflate and make the gas in annular seal space to keep one section duration under certain pressure to annular seal space.Whether bubble appears outward by view window Observable annular seal space; If bubble occurs, represent the weld failure welding of air intake duct, poor air-tightness; Occur if there is no above-mentioned phenomenon, represent that air intake duct impermeability to be measured is good.Close inflator, open vent valve 82 and discharge the sealing intracavity gas, take out air intake duct 9 and finish test.
Be more than wherein specific implementation of the present utility model, it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.Should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these apparent replacement forms all belong to protection domain of the present utility model.
Embodiment 2
A kind of compressor suction duct leak-checking apparatus as shown in Figure 4 comprises the seal assembly that forms annular seal space with the welding position sealing of air intake duct 9 to be measured, and the inflatable component of described annular seal space inflation and the gas leakage that is arranged on outside annular seal space are observed assembly.
The welding position of described seal assembly and air intake duct to be measured 9 consists of annular seal space jointly; Inflatable component is filled with gases at high pressure and keeps a period of time described annular seal space; Keeping aeration period, can observe assembly by the outer gas leakage of annular seal space and observe air intake duct 9 welding position impermeability.
Described seal assembly comprises to be accepted chassis 4, is arranged on to accept on chassis 4 and is used for laying the bed die 2 of air intake duct 9 to be measured and is arranged on the corresponding top of bed die 2 and observes with described gas leakage the mold 3 that assembly is communicated with; Described bed die 2 comprises at right angle setting in the cylindrical shell of accepting chassis 1, and in described cylindrical shell, shaft position is provided with to be fixed in and accepts the plug 4 that is used for stopping up air intake duct tube chamber to be measured on chassis 1; Described bed die 2 and accept between chassis 1, be respectively arranged with seal above bed die 2; Described bed die 2, mold 3 consist of annular seal space with the welding position of air intake duct 9 to be measured.
Described mold 3 can grip air intake duct 9 to be measured with bed die 2, makes welding position inwall on air intake duct 9 to be measured in the cylinder chamber of described bed die 2; The tube chamber of 4 pairs of air intake ducts 9 to be measured of described plug stops up; Cylinder chamber, the welding position inwall of air intake duct to be measured 9, the plug 4 of accepting chassis 1, bed die 2 enclose described annular seal space jointly; Simultaneously, be provided with seal at described bed die 2 with accepting chassis 1, bed die 2 upper ends and air intake duct to be measured 9 contacts site, help the lift-off seal chamber impermeability, keep the annular seal space internal gas pressure, be conducive to accurately judge the welding quality of welding portion.
Above-mentioned gas leakage is observed assembly and is comprised tank 5 and equidistant 3 view windows that arrange of tank 5 sidewalls that are arranged on mold 3 tops; Described mold 3 is a derby, and described derby is arranged between annular seal space and tank 5, and the welding position of connection air intake duct 9 to be measured and the passage of tank 5 are set in derby.
Air intake duct 9 to be measured is stated the seal assembly clamping, and the welding position of air intake duct 9 to be measured and seal assembly just can be poured water in described tank 5 after consisting of described annular seal space.The liquid level of tank 5 interior water should be higher than described view window, convenient observation.Passage due to air intake duct 9 weld outer walls to be measured by mold 3 is connected with described tank 5 inside, if in the gas replenishment process to annular seal space, there is gas to reveal through the air intake duct weld, reveal gas and just can enter in tank 5 by the passage of above-mentioned mold 3, and form bubble in tank 5.The operator sees through the impermeability that described view window can observe directly air intake duct 9 welding positions, and simple, with low cost, its testing result reliability is high.
For strengthening the sealing grade of above-mentioned annular seal space, the utility model also comprises locking device; Described locking device comprises tie down screw 6 and the fixed mount 71 of tie down screw be used for to be installed, and described tie down screw 6 lower ends are connected with mold 3.
Described seal assembly, inflatable component, gas leakage are observed assembly and are arranged on same worktable 7, and described fixed mount 71 is arranged on described worktable 7.Be provided with screw on described fixed mount 71, tie down screw 6 is rotatably installed in screw, by turn tie down screw 6, can make mold 3 and bed die 2 locking air intake ducts 9 to be measured, and the three is fitted tightly.The effect of locking device is to lock mold 3 and bed die 2, avoids mold 3, bed die 2 gap to occur with the surface of contact of air intake duct 9 to be measured, with the impermeability of the above-mentioned annular seal space of further reinforcement, guarantees that testing result is true, reliable.
Described accepting is provided with air hole 11 in chassis 1, be provided with plug through hole 41 in described plug 4, and described air hole 11 is communicated with plug through hole 41 and forms breather line with inflatable component, annular seal space.
The utility model designer finds in to the utility model development, and the structure in annular seal space is more simplified, and more is conducive to strengthen its sealing ability.Therefore be respectively arranged with air hole 11 and plug through hole 41 in accepting chassis 1 He in plug 4, and form breather line with inflatable component and annular seal space, need not separately to establish pipeline communication inflatable component and annular seal space, can simplify the annular seal space structure, be conducive to improve described annular seal space impermeability.
Described inflatable component comprises inflator, gas storage pressure maintaining tank 83, and described gas storage pressure maintaining tank 83 connects respectively inflator and the air hole 11 of accepting in the chassis, and described gas storage pressure maintaining tank 83 is provided with vent valve 82; Be provided with rain glass 81 between gas storage pressure maintaining tank 83 and described air hole 11.
Preferably, described gas storage pressure maintaining tank 83 is connected with described inflator by fast aeration 84, also is provided with the ventilating control valve between described gas storage pressure maintaining tank 83 and described air hole 11.Fast aeration 84 can make gas storage pressure maintaining tank 83 gases reach desired value in the short period of time, shortens detection time.
Gas storage pressure maintaining tank 83 can store the gas that is filled with by inflator, and makes it be filled with described annular seal space under certain pressure, can keep certain force value with the gas that guarantees annular seal space, guarantees the stable of testing result; 82 energy of vent valve drain the gas in gas storage pressure maintaining tank 83 and annular seal space, the air intake duct 9 of completing to take out test after test finishes; Being provided with of rain glass 81 helps the operator air pressure that passes into the sealing intracavity gas monitored.
Its workflow of above-mentioned compressor air intake duct leak-checking apparatus is as follows: get by mold 3 and bed die 2 air intake duct 9 to be measured is gripped, make welding position inwall on air intake duct 9 to be measured in the cylinder chamber of described bed die 2; The tube chamber of 4 pairs of air intake ducts 9 to be measured of described plug stops up; Cylinder chamber, the welding position inwall of air intake duct to be measured 9, the plug 4 of accepting chassis 1, bed die 2 enclose described annular seal space jointly.Turn tie down screw 6 orders about mold 3 and bed die 2 locking air intake ducts 9 to be measured, and the three fits tightly and strengthens the annular seal space impermeability.Pour water in described tank 5, make liquid level higher than view window.Start inflator, close vent valve 82 when gas storage pressure maintaining tank 83 internal gas pressures rise to OK range, open the ventilating control valve, inflate and make the gas in annular seal space to keep a period of time under certain pressure to annular seal space.By bubble whether occurring in view window Observable annular seal space; If bubble occurs, represent the weld failure welding of air intake duct 9, poor air-tightness; Occur if there is no above-mentioned phenomenon, represent that air intake duct 9 impermeability are good.Close inflator, open vent valve and discharge the sealing intracavity gas, take out air intake duct 9 and finish test.
Be more than wherein specific implementation of the present utility model, it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.Should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these apparent replacement forms all belong to protection domain of the present utility model.

Claims (8)

1. a compressor suction duct leak-checking apparatus, is characterized in that: comprise the seal assembly that forms annular seal space with the welding position sealing of air intake duct to be measured (9), the inflatable component of described annular seal space inflation and the gas leakage that is arranged on outside annular seal space are observed assembly.
2. a kind of compressor suction duct leak-checking apparatus according to claim 1 is characterized in that: described seal assembly comprises to be accepted chassis (1), is arranged on and accepts that chassis (1) is upper to be used for laying the bed die (2) of air intake duct to be measured and to be arranged on the corresponding top of bed die (2) and to observe with described gas leakage the mold (3) that assembly is communicated with; Described bed die (2) comprises at right angle setting in the cylindrical shell of accepting chassis (1), and in described cylindrical shell, shaft position is provided with to be fixed in and accepts the upper plug (4) that is used for stopping up air intake duct tube chamber to be measured in chassis (1); Described bed die (2) and accept between chassis (1), bed die is respectively arranged with seal above (2); Described bed die (2), mold (3) consist of annular seal space with the welding position of air intake duct to be measured (9).
3. a kind of compressor suction duct leak-checking apparatus according to claim 2 is characterized in that: described gas leakage is observed assembly and is comprised the tank (5) that is arranged on described mold (3) top and at least one view window of tank sidewall; Described mold (3) is a derby, and described derby is arranged between annular seal space and tank (5), and the welding position of connection air intake duct to be measured (9) and the passage of tank (5) are set in derby.
4. a kind of compressor suction duct leak-checking apparatus according to claim 3, is characterized in that: also comprise locking device; Described locking device comprises tie down screw (6) and the fixed mount of tie down screw (6) be used for to be installed, and described tie down screw lower end is connected with the roof of tank (5) or is connected with mold (3).
5. a kind of compressor suction duct leak-checking apparatus according to claim 2, it is characterized in that: described accepting is provided with air hole (11) in chassis (1), be provided with plug through hole (41) in described plug (4), described air hole (11) is communicated with plug through hole (41) and forms breather line with inflatable component, annular seal space.
6. a kind of compressor suction duct leak-checking apparatus according to claim 5, it is characterized in that: described plug (4) is compressible plug, its upper end is provided with the truncated cone-shaped elastic component (42) that the welding position with air intake duct to be measured (9) suits.
7. a kind of compressor suction duct leak-checking apparatus according to claim 2, it is characterized in that: described inflatable component comprises inflator, gas storage pressure maintaining tank (83), described gas storage pressure maintaining tank (83) connects respectively inflator and the air hole (11) of accepting in chassis (1), and described gas storage pressure maintaining tank (83) is provided with vent valve (82); Be provided with rain glass (81) between gas storage pressure maintaining tank (83) and described air hole (11).
8. a kind of compressor suction duct leak-checking apparatus according to claim 7, it is characterized in that: described gas storage pressure maintaining tank (83) is connected with described inflator by fast aeration head (84), also is provided with the ventilating control valve between described gas storage pressure maintaining tank (83) and described air hole (11).
CN 201220613437 2012-11-20 2012-11-20 Leakage detection device for air suction pipe of compressor Expired - Lifetime CN202947842U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220613437 CN202947842U (en) 2012-11-20 2012-11-20 Leakage detection device for air suction pipe of compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220613437 CN202947842U (en) 2012-11-20 2012-11-20 Leakage detection device for air suction pipe of compressor

Publications (1)

Publication Number Publication Date
CN202947842U true CN202947842U (en) 2013-05-22

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Application Number Title Priority Date Filing Date
CN 201220613437 Expired - Lifetime CN202947842U (en) 2012-11-20 2012-11-20 Leakage detection device for air suction pipe of compressor

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Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105092163A (en) * 2015-08-26 2015-11-25 赵西城 Gas pouring apparatus based on container sealing test
RU209939U1 (en) * 2021-11-15 2022-03-24 Публичное акционерное общество "КАМАЗ" PLUG FOR PIPING LEAK TEST

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105092163A (en) * 2015-08-26 2015-11-25 赵西城 Gas pouring apparatus based on container sealing test
CN105092163B (en) * 2015-08-26 2017-11-03 赵西城 Device of air based on container leakage test
RU209939U1 (en) * 2021-11-15 2022-03-24 Публичное акционерное общество "КАМАЗ" PLUG FOR PIPING LEAK TEST

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