CN205449417U - Self sealing capability test machine of PE three way connection weld - Google Patents
Self sealing capability test machine of PE three way connection weld Download PDFInfo
- Publication number
- CN205449417U CN205449417U CN201620255280.5U CN201620255280U CN205449417U CN 205449417 U CN205449417 U CN 205449417U CN 201620255280 U CN201620255280 U CN 201620255280U CN 205449417 U CN205449417 U CN 205449417U
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- end cover
- supervisor
- gripper shoe
- cylinder
- bottom end
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Abstract
The utility model discloses a self sealing capability test machine of PE three way connection weld relates to sealing performance test machine field, the positioned tapping tool comprises a base, the base on be equipped with a three way connection's positioning mechanism, sealing performance accredited testing organization and sealing performance accredited testing organization's push mechanism. The utility model discloses a solve large -scale three way connection and adopt the exit shutoff, inside cavity is great, the baroceptor is difficult for the problem that the judgement was revealed a little, proposes one kind stretch into PE three way connection inside, to the weld seal up, dwindle the test cavity, the self sealing capability test that carries the high atmospheric pressure transducer sensitivity is quick -witted.
Description
Technical field
This utility model relates to sealing performance testing machine field, particularly relates to the automatic-sealed performance test machine of a kind of PE three way cock's weld.
Background technology
Three way cock, as pipe fitting, conduit coupling, is commonly used in main pipeline and wants at branched pipe, for medium shunt.The mouth pipe of industrial PE (polyethylene) three way cock forms typically by pipe fitting welding, and weld leakage situation may occur because of reasons such as fusion temp, docking out-of-flatnesses, and three way cock reveals and is concentrated in weld.And it is as the important conduit coupling of gas ductwork, occur that leakage has bigger potential safety hazard, require before therefore using to carry out experiments of sealing performance with compressed gas for medium.
At present, three way cock carries out experiments of sealing performance and generally uses blister method and baroceptor monitoring method, use baroceptor monitoring method, often three outlets of three way cock are blocked, internal cavities is pressurized to pressurize after preset value, changed by baroceptor monitoring air pressure inside, it is judged that whether cavity internal gas pressure reduces, and whether threeway leaks.But some three way cock's volume is relatively big, if only blocked in three exits of three way cock, internal cavities can be relatively big, and minute leakage is less on the impact of air pressure inside, and baroceptor is susceptible to erroneous judgement.
Utility model content
This utility model uses exit to block to solve big model three way cock, internal cavities is bigger, baroceptor is difficult to judge the problem of micro-leakage, proposes inside a kind of PE of stretching into three way cock, seals for weld, reduces test cavity, the automatic-sealed performance test machine of raising baroceptor sensitivity.
To achieve these goals, this utility model is by the following technical solutions: the automatic-sealed performance test machine of a kind of PE three way cock's weld, including a base, described base is provided with the detent mechanism of a three way cock, a sealing performance testing machine structure and the delivery device of sealing performance testing machine structure；
Described detent mechanism is a laterally disposed cylinder, the internal diameter of cylinder mates with supervisor's external diameter of three way cock, offer a mouth pipe locating slot of a three way cock on cylinder side wall along cylindrical direction, a described mouth pipe locating slot is toward extending to end face of cylinder away from delivery device one end；
Described delivery device includes limiting plate, gag lever post, gripper shoe, sliding track mechanism and gripper shoe drive mechanism, described sliding track mechanism is arranged along cylindrical direction, described limiting plate both sides are positioned on the slide block of sliding track mechanism, it is vertically arranged with cylinder, limiting plate is fixed with gripper shoe towards cylinder side, opposite side is connected with gripper shoe drive mechanism, and gripper shoe is pushed by gripper shoe drive mechanism can extend cylinder interior, and described gripper shoe is provided with sealing performance testing machine structure；Being additionally provided with at least two gag lever posts with gripper shoe drive mechanism phase the same side on described limiting plate, gag lever post one end is vertically fixed on limiting plate, and the other end is provided with screw thread, and thread segment is provided with stop nut；Gag lever post between stop nut and limiting plate slidably extends through on the location-plate of gripper shoe drive mechanism, and through hole is less than stop nut；
Described sealing performance testing machine structure at least includes upper end cover assembly, bottom end cover assembly, pressure ring assembly and end cap drive mechanism；Described upper end cover assembly is divided into upper end cover and connecting shaft, and described upper end cover and connecting shaft are all in cylinder and central axes, along central axis section view in " T " font；Described bottom end cover assembly is followed successively by bottom end cover, connecting portion and supervisor's inner wall sealing block from top to bottom, bottom end cover is and the cylinder of the external diameters such as upper end cover, bottom end cover lower surface is connected by the upper surface of connecting portion with supervisor's inner wall sealing block, supervisor's inner wall sealing block is overall in cylinder, upper surface is the cambered surface mated with threeway supervisor's inwall, and bottom end cover and supervisor's inner wall sealing block central axes, it is I-shaped along central axis section view；At least one test gas channels it is additionally provided with on described supervisor's inner wall sealing block；Described bottom end cover assembly runs through along central axis and is provided with the through hole that the connecting shaft with upper end cover assembly mates, connecting shaft is from top to bottom through the central through hole of bottom end cover assembly, and fix with one piece of connecting plate, bottom end cover assembly is limited between upper end cover and connecting plate slidably；Being designed with oblique outer edge on described upper end cover and bottom end cover opposite face, two oblique outer edges form the spacing extruding groove of sealing ring, are provided with a mouth seal of tube circle in spacing extruding groove；Offer an annular sealing ring locating slot around central axis on the upper surface of described supervisor's inner wall sealing block, in sealing ring locating slot, be provided with supervisor's inner wall sealing circle；Described supervisor's inner wall sealing block outer sheath is provided with pressure ring assembly, on the downside of described pressure ring assembly, upside-down mounting has some plugs to play bolt, plug is beaten bolt-through connecting plate and is fixed with pressure ring assembly, connecting plate and plug are beaten and are slidably connected between bolt, and the plug between connecting plate and pressure ring assembly is beaten and is arranged with spring on bolt；Described bottom end cover assembly is connected with end cap drive mechanism through connecting plate by some connecting rods, and end cap drive mechanism is positioned in the gripper shoe of delivery device.
As preferably, described pressure ring assembly upper surface is the cambered surface mated with threeway supervisor's inwall, and in not test mode, pressure ring assembly upper surface is higher than supervisor's inner wall sealing block upper surface.
As preferably, the lower surface of described gripper shoe is the cambered surface mated with threeway supervisor's inwall.
As preferably, the oblique outer edge on described upper end cover and bottom end cover opposite face is all the chamfering of 45 °.
As preferably, described gripper shoe drive mechanism and end cap drive mechanism are all cylinders.
Therefore, this utility model has the advantages that 1, can reduce test cavity, improves measuring accuracy；2, automatic operation, testing efficiency height；3, structure linkage is strong, and cost of manufacture is low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of another angle of this utility model.
Fig. 3 is the structural representation of this utility model sealing performance testing machine structure.
Fig. 4 is the structural representation of this utility model sealing performance testing machine another angle of structure.
Fig. 5 is the front view of this utility model sealing performance testing machine structure.
Fig. 6 is the sectional view before this utility model sealing performance testing machine structure uses.
Fig. 7 is the sectional view during use of this utility model sealing performance testing machine structure.
Fig. 8 is the structural representation before this utility model uses.
Fig. 9 is the structural representation during this utility model uses.
Figure 10 is the another kind of structural representation during this utility model uses.
1: base；2: detent mechanism；201: cylinder；202: a mouth pipe locating slot；3: sealing performance testing machine structure；301: upper end cover assembly；302: bottom end cover assembly；303: pressure ring assembly；304: end cap drive mechanism；305: supervisor's inner wall sealing block；306: connecting plate；307: upper end cover；308: a mouth seal of tube circle；309: bottom end cover；310: connecting shaft；311: supervisor's inner wall sealing circle；312: spring；313: bolt played by plug；314: connecting rod；4: delivery device；401: sliding track mechanism；402: gripper shoe drive mechanism；403: limiting plate；404: gripper shoe；405: gag lever post；406: stop nut；5: three way cock；501: a mouth pipe；6: test gas channels；7: seal cavity；8: weld.
Detailed description of the invention
With specific embodiments, this utility model is further described below in conjunction with the accompanying drawings.
A kind of automatic-sealed performance test machine of PE three way cock's weld, as shown in Figure 1 and Figure 2, including a flat base 1, described base 1 is provided with 2, sealing performance testing machine structure 3 of detent mechanism and the delivery device 4 of sealing performance testing machine structure 3 of a three way cock 5.Detent mechanism 2 is used for placement and the location of three way cock 5, and sealing performance testing machine structure 3 is used for stretching into three way cock 5 and carries out sealing and testing sealing, and for being delivered to by sealing performance testing machine structure 3, three way cock 5 is internal determines position to delivery device 4.
Described detent mechanism 2 is a laterally disposed cylinder 201, the internal diameter of cylinder 201 mates with supervisor's external diameter of three way cock 5, cylinder 201 sidewall top side offers a mouth pipe locating slot 202 of a three way cock 5 along cylinder 201 direction, a described mouth pipe locating slot 202 is from cylinder 201 centre position toward extending to cylinder 201 end face away from delivery device 4 one end, and mouth pipe locating slot 202 width mates with mouth pipe 501 external diameter.
Described delivery device 4 includes limiting plate 403, gripper shoe 404, sliding track mechanism 401 and gripper shoe drive mechanism 402, described sliding track mechanism 401 is two light linkages, arrange along cylinder 201 direction, described limiting plate 403 both sides are positioned on the slide block of sliding track mechanism 401, it is vertically arranged with cylinder 201, limiting plate 403 is fixed with gripper shoe 404 towards cylinder 201 side, opposite side is connected with gripper shoe drive mechanism 402, described gripper shoe drive mechanism 402 is cylinder, gripper shoe 404 is pushed by gripper shoe drive mechanism 402 can extend cylinder 201 inside, described gripper shoe 404 lower surface is the cambered surface mated with threeway supervisor's inwall, inwall veneer sliding can be responsible for threeway, gripper shoe 404 is provided with sealing performance testing machine structure 3；Be additionally provided with two gag lever posts 405 on described limiting plate 403 with gripper shoe drive mechanism 402 phase the same side, gag lever post 405 one end is vertically fixed on limiting plate 403, and the other end is provided with screw thread, and thread segment is provided with stop nut 406；Gag lever post 405 between stop nut 406 and limiting plate 403 slidably extends through on the location-plate of gripper shoe drive mechanism 402, and through hole is less than stop nut 406.By regulation stop nut 406, the stroke of scalable cylinder, and then the farthest displacement of regulation limiting plate 403, stop nut 406 is blocked on the location-plate of gripper shoe drive mechanism 402, i.e. limiting plate 403 can not continue to move along.
Described sealing performance testing machine structure 3 at least includes upper end cover assembly 301, bottom end cover assembly 302, pressure ring assembly 303 and end cap drive mechanism 304, as shown in Fig. 3 to Fig. 7.
Described upper end cover assembly 301 is divided into upper end cover 307 and connecting shaft 310, and described upper end cover 307 and connecting shaft 310 are all in cylinder and central axes, along central axis section view in " T " font.
Described bottom end cover assembly 302 is followed successively by bottom end cover 309, connecting portion and supervisor's inner wall sealing block 305 from top to bottom, bottom end cover 309 is and the cylinder of upper end cover 307 external diameter such as grade, bottom end cover 309 lower surface is connected by the upper surface of connecting portion with supervisor's inner wall sealing block 305, supervisor's inner wall sealing block 305 entirety is cylinder, upper surface is the cambered surface mated with threeway supervisor's inwall, and bottom end cover 309 and supervisor's inner wall sealing block 305 central axes, it is I-shaped along central axis section view；Two test gas channels 6 it are additionally provided with, it is possible to be used for inflating, exitting, be connected with outside gas path test system on described supervisor's inner wall sealing block 305.
Described bottom end cover assembly 302 runs through along central axis and is provided with the through hole that the connecting shaft 310 with upper end cover assembly 301 mates, connecting shaft 310 is from top to bottom through the central through hole of bottom end cover assembly 302, and fix with one piece of connecting plate 306, bottom end cover assembly 302 is limited between upper end cover 307 and connecting plate 306 slidably.
The oblique outer edge of chamfering at 45 ° it is designed with on described upper end cover 307 and bottom end cover 309 opposite face, two oblique outer edges form the spacing extruding groove of sealing ring, a mouth seal of tube circle 308 it is provided with in spacing extruding groove, therefore, in separation trend between upper end cover 307 and bottom end cover 309, fit with connecting plate 306 on the downside of bottom end cover assembly 302；Offer an annular sealing ring locating slot around central axis on the upper surface of described supervisor's inner wall sealing block 305, in sealing ring locating slot, be provided with supervisor's inner wall sealing circle 311.
Described supervisor's inner wall sealing block 305 outer sheath is provided with pressure ring assembly 303, described pressure ring assembly 303 upper surface is the cambered surface mated with threeway supervisor's inwall, in not test mode, pressure ring assembly 303 upper surface is higher than supervisor's inner wall sealing block 305 upper surface, on the downside of pressure ring assembly 303, upside-down mounting has four plugs to play bolt 313, bolt 313 played by plug, and to run through connecting plate 306 fixing with pressure ring assembly 303, connecting plate 306 and plug are beaten and are slidably connected between bolt 313, and the plug between connecting plate 306 and pressure ring assembly 303 is beaten and is arranged with the spring 312 compressed on bolt 313.
Described bottom end cover assembly 302 is connected with end cap drive mechanism 304 through connecting plate 306 by four connecting rods 314, and described end cap drive mechanism 304 is twin shaft cylinder, and the cylinder body of cylinder is positioned in the gripper shoe 404 of delivery device 4.
During test, seeing Fig. 6 to Figure 10, first enter in cylinder 201 by three way cock 5 from mouth pipe locating slot 202 sidesway, a mouth pipe moves to innermost end location along a mouth pipe locating slot 202；According to three way cock 5 model, the position of regulation gag lever post 405 upper limit nut 406, the propelling movement position of sealing performance testing machine structure 3 is i.e. set, gripper shoe drive mechanism 402 pushes limiting plate 403 and moves, indirect Push gripper shoe 404 and sealing performance testing machine structure 3 enter in threeway supervisor from cylinder 201 other end, when stop nut 406 is stopped by the location-plate of gripper shoe drive mechanism 402, limiting plate 403 just stops mobile, owing to having mixed up sealing performance testing machine structure 3 position in advance, sealing performance testing machine structure 3 is just mobile to a positive downside of mouth pipe.Start end cap drive mechanism 304, end cap drive mechanism 304 promotes all parts on the upside of connecting plate 306 and connecting plate 306 to move toward a mouth pipe orifice direction, upper end cover 307 and bottom end cover 309 first stretch into a mouth pipe orifice, end cap drive mechanism 304 continues to push, when pressure ring assembly 303 rises to be responsible for inwall laminating with three way cock 5, move in stopping, owing to there being compression spring 312 to connect between pressure ring assembly 303 and connecting plate 306, fixing connection again between connecting plate 306 and upper end cover assembly 301, upper end cover 307 also stops upper shifting；Bottom end cover 309 continues upper shifting, with upper end cover 307 extruding mouth seal of tube circle 308, prop up mouth seal of tube circle 308 to expand, with a mouth inside pipe wall gluing, sealing, if processing is accurately, now, supervisor inner wall sealing block 305 upper surface supervisor's inner wall sealing circle 311 the most just with three way cock 5 inwall fit crush seal；If the deviation of being machined with, upper end cover 307 and bottom end cover 309 have been fitted or cannot extrude expansion mouth seal of tube circle 308 again, supervisor's inner wall sealing circle 311 is not fitted with three way cock 5 inwall, then end cap drive mechanism 304 may proceed to push, now, bottom end cover 309 and upper end cover 307 move on another, connecting plate 306 also will be shifted up the spring 312 between compression and pressure ring assembly 303, the crush seal until supervisor's inner wall sealing circle 311 of supervisor inner wall sealing block 305 upper surface and three way cock 5 inwall are fitted.When a mouth seal of tube circle 308 and a mouth inside pipe wall gluing, sealing, supervisor's inner wall sealing circle 311 and three way cock 5 inwall gluing, sealing, just define one between two sealing rings and seal cavity 7, and the weld 8 of three way cock 5 is exactly in this and seals on cavity 7 wall, so, just toward sealing the interior pressurization of cavity 7, pressure release, weld 8 can be carried out experiments of sealing performance by two test gas channels 6 on supervisor's inner wall sealing block 305.
Claims (5)
1. the automatic-sealed performance test machine of PE three way cock's weld, including a base (1), it is characterised in that: described base (1) is provided with the detent mechanism (2) of a three way cock (5), a sealing performance testing machine structure (3) and the delivery device (4) of sealing performance testing machine structure (3)；
Described detent mechanism (2) is a laterally disposed cylinder (201), the internal diameter of cylinder (201) mates with supervisor's external diameter of three way cock (5), offer mouth pipe locating slot (202) of a three way cock (5) on cylinder (201) sidewall along cylinder (201) direction, described mouth pipe locating slot (202) is toward extending to cylinder (201) end face away from delivery device (4) one end；
Described delivery device (4) includes limiting plate (403), gag lever post (405), gripper shoe (404), sliding track mechanism (401) and gripper shoe drive mechanism (402), described sliding track mechanism (401) is arranged along cylinder (201) direction, described limiting plate (403) both sides are positioned on the slide block of sliding track mechanism (401), it is vertically arranged with cylinder (201), limiting plate (403) is fixed with gripper shoe (404) towards cylinder (201) side, opposite side is connected with gripper shoe drive mechanism (402), gripper shoe (404) is pushed by gripper shoe drive mechanism (402) can extend cylinder (201) inside, described gripper shoe (404) is provided with sealing performance testing machine structure (3)；Described limiting plate (403) is upper is additionally provided with at least two gag lever posts (405) with gripper shoe drive mechanism (402) phase the same side, gag lever post (405) one end is vertically fixed on limiting plate (403), the other end is provided with screw thread, and thread segment is provided with stop nut (406)；Gag lever post (405) between stop nut (406) and limiting plate (403) slidably extends through on the location-plate of gripper shoe drive mechanism (402), and through hole is less than stop nut (406)；
Described sealing performance testing machine structure (3) at least includes upper end cover assembly (301), bottom end cover assembly (302), pressure ring assembly (303) and end cap drive mechanism (304)；Described upper end cover assembly (301) is divided into upper end cover (307) and connecting shaft (310), and described upper end cover (307) and connecting shaft (310) are all in cylinder and central axes, along central axis section view in " T " font；Described bottom end cover assembly (302) is followed successively by bottom end cover (309), connecting portion and supervisor's inner wall sealing block (305) from top to bottom, bottom end cover (309) is and the cylinder of the external diameters such as upper end cover (307), bottom end cover (309) lower surface is connected by the upper surface of connecting portion with supervisor's inner wall sealing block (305), supervisor's inner wall sealing block (305) is overall in cylinder, upper surface is the cambered surface mated with threeway supervisor's inwall, and bottom end cover (309) with supervisor inner wall sealing block (305) central axes, be I-shaped along central axis section view；At least one test gas channels (6) it is additionally provided with on described supervisor's inner wall sealing block (305)；Described bottom end cover assembly (302) runs through along central axis and is provided with the through hole that the connecting shaft (310) with upper end cover assembly (301) mates, connecting shaft (310) is from top to bottom through the central through hole of bottom end cover assembly (302), and fix with one piece of connecting plate (306), bottom end cover assembly (302) is limited between upper end cover (307) and connecting plate (306) slidably；Being designed with oblique outer edge on described upper end cover (307) and bottom end cover (309) opposite face, two oblique outer edges form the spacing extruding groove of sealing ring, are provided with mouth seal of tube circle (308) in spacing extruding groove；Offer an annular sealing ring locating slot around central axis on the upper surface of described supervisor's inner wall sealing block (305), in sealing ring locating slot, be provided with supervisor's inner wall sealing circle (311)；Described supervisor's inner wall sealing block (305) outer sheath is provided with pressure ring assembly (303), described pressure ring assembly (303) downside upside-down mounting has some plugs to play bolt (313), bolt (313) played by plug, and to run through connecting plate (306) and pressure ring assembly (303) fixing, connecting plate (306) and plug are beaten and are slidably connected between bolt (313), and the plug between connecting plate (306) and pressure ring assembly (303) is beaten and is arranged with spring (312) on bolt (313)；Described bottom end cover assembly (302) is connected with end cap drive mechanism (304) through connecting plate (306) by some connecting rods (314), and end cap drive mechanism (304) is positioned in the gripper shoe (404) of delivery device (4).
The automatic-sealed performance test machine of a kind of PE three way cock's weld the most according to claim 1, it is characterized in that: described pressure ring assembly (303) upper surface is the cambered surface mated with threeway supervisor's inwall, in not test mode, pressure ring assembly (303) upper surface is higher than supervisor's inner wall sealing block (305) upper surface.
The automatic-sealed performance test machine of a kind of PE three way cock's weld the most according to claim 1, it is characterised in that: the lower surface of described gripper shoe (404) is the cambered surface mated with threeway supervisor's inwall.
The automatic-sealed performance test machine of a kind of PE three way cock's weld the most according to claim 1, it is characterised in that: the oblique outer edge on described upper end cover (307) and bottom end cover (309) opposite face is all the chamfering of 45 °.
5. according to the automatic-sealed performance test machine of a kind of PE three way cock's weld described in any claim in Claims 1-4, it is characterised in that: described gripper shoe drive mechanism (402) and end cap drive mechanism (304) they are all cylinders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620255280.5U CN205449417U (en) | 2016-03-30 | 2016-03-30 | Self sealing capability test machine of PE three way connection weld |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620255280.5U CN205449417U (en) | 2016-03-30 | 2016-03-30 | Self sealing capability test machine of PE three way connection weld |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205449417U true CN205449417U (en) | 2016-08-10 |
Family
ID=56608473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620255280.5U Withdrawn - After Issue CN205449417U (en) | 2016-03-30 | 2016-03-30 | Self sealing capability test machine of PE three way connection weld |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205449417U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105651471A (en) * | 2016-03-30 | 2016-06-08 | 王国良 | Automatic sealing performance test machine for welded joints of PE (polyethylene) three-way connectors |
-
2016
- 2016-03-30 CN CN201620255280.5U patent/CN205449417U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105651471A (en) * | 2016-03-30 | 2016-06-08 | 王国良 | Automatic sealing performance test machine for welded joints of PE (polyethylene) three-way connectors |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160810 Effective date of abandoning: 20180522 |
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| AV01 | Patent right actively abandoned |