CN205426452U - Butt fusion three way connection's equipment of leaking hunting - Google Patents
Butt fusion three way connection's equipment of leaking hunting Download PDFInfo
- Publication number
- CN205426452U CN205426452U CN201620254270.XU CN201620254270U CN205426452U CN 205426452 U CN205426452 U CN 205426452U CN 201620254270 U CN201620254270 U CN 201620254270U CN 205426452 U CN205426452 U CN 205426452U
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- China
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- end cover
- supervisor
- bottom end
- gripper shoe
- way cock
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Abstract
The utility model discloses a butt fusion three way connection's equipment of leaking hunting 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 seat, one an oral siphon locating support, 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, automation the leak hunting equipment testing cavity, carry high atmospheric pressure transducer sensitivity is sealed up, is dwindled to the weld.
Description
Technical field
This utility model relates to sealing performance testing machine field, particularly relates to the leak detecting device of a kind of welding three way cock.
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 draws the result 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, automatization's leak detecting device of raising baroceptor sensitivity.
To achieve these goals, this utility model is by the following technical solutions: the leak detecting device of a kind of welding three way cock, including a base, described base is provided with the positioning seat of a three way cock, one mouth pipe locating support, a sealing performance testing machine structure and the delivery device of sealing performance testing machine structure；Described positioning seat is U-shaped piece outwardly of horizontal positioned, an opening, and the diameter of U-shaped piece of opening inner side circular arc mates with supervisor's external diameter of three way cock, and positioning seat upper surface both sides are respectively provided with draw-in groove, are provided with the positive stop strip of pluggable replacing in draw-in groove；A described mouth pipe locating support is positioned on front side of positioning seat, and a mouth pipe locating support upper end is an opening up U-shape structure, and U-shaped opening size mates with a mouth pipe external diameter；Described sealing performance testing machine structure and the delivery device of sealing performance testing machine structure are positioned on the upside of positioning seat；Described delivery device includes transfer plate, gripper shoe, sliding track mechanism and gripper shoe drive mechanism, described sliding track mechanism is vertically arranged in base both sides, described transfer plate both sides are positioned on the slide block of sliding track mechanism, transfer plate is in being horizontally disposed with, being fixed with gripper shoe on the downside of transfer plate, upside is connected with gripper shoe drive mechanism, and gripper shoe is pushed can be moved up and down by gripper shoe drive mechanism, stretch into inside three way cock, described gripper shoe is additionally provided with sealing performance testing machine structure；
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 before this utility model test.
Fig. 3 is structural representation during this utility model test.
Fig. 4 is the structural representation of this utility model sealing performance testing machine structure.
Fig. 5 is the structural representation of this utility model sealing performance testing machine another angle of structure.
Fig. 6 is the front view of this utility model sealing performance testing machine structure.
Fig. 7 is the sectional view before this utility model sealing performance testing machine structure uses.
Fig. 8 is the sectional view during use of this utility model sealing performance testing machine structure.
1: base；2: positioning seat；201: draw-in groove；202: positive stop strip；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: transfer plate；404: gripper shoe；5: three way cock；501: a mouth pipe；6: test gas channels；7: seal cavity；8: weld；9: a mouth pipe locating support.
Detailed description of the invention
With specific embodiments, this utility model is further described below in conjunction with the accompanying drawings.
A kind of leak detecting device of welding three way cock, as shown in Figure 1 to Figure 3, including the base 1 that an entirety is L-shaped, described base 1 is provided with positioning seat 2,9, sealing performance testing machine structure 3 of mouth pipe locating support and the delivery device 4 of sealing performance testing machine structure 3 of a three way cock 5.Positioning seat 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 inside 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 positioning seat 2 is U-shaped piece outwardly of horizontal positioned, an opening, U-shaped tile height is 20cm, the diameter of U-shaped piece of opening inner side circular arc mates with supervisor's external diameter of three way cock 5, and positioning seat 2 upper surface both sides are respectively provided with a draw-in groove 201, is provided with the positive stop strip 202 of pluggable replacing in draw-in groove 201.
A described mouth pipe locating support 9 is positioned at positioning seat 2 open front side, propping up mouth pipe locating support 9 upper end is an opening up U-shape structure, U-shaped opening size mates with mouth pipe 501 external diameter, and three way cock 5 is when vertically placing, the U-shaped open height of a mouth pipe locating support 9 can block a mouth pipe 501 of three way cock 5.
Described sealing performance testing machine structure 3 and the delivery device 4 of sealing performance testing machine structure 3 are positioned on the upside of positioning seat 2.Described delivery device 4 includes transfer plate 403, gripper shoe 404, sliding track mechanism 401 and gripper shoe drive mechanism 402, described sliding track mechanism 401 is two light linkages, light linkage is vertically symmetrical set in base 1 both sides, described transfer plate 403 both sides are positioned on the slide block of sliding track mechanism 401, transfer plate 403 is in being horizontally disposed with, it is positioned at above positive stop strip 202, positive stop strip 202 is for limiting the extreme lower position that transfer plate 403 declines, by changing the positive stop strip 202 of differing heights, the extreme lower position that transfer plate 403 declines can be regulated, when the limited bar of transfer plate 403 202 stops, i.e. transfer plate 403 can not continue to move down.Gripper shoe 404 it is fixed with on the downside of transfer plate 403, upside is connected with gripper shoe drive mechanism 402, described gripper shoe drive mechanism 402 is cylinder, gripper shoe 404 is pushed can be moved up and down by gripper shoe drive mechanism 402, stretch into inside three way cock 5, described gripper shoe 404 is additionally provided with sealing performance testing machine structure 3.
Described sealing performance testing machine structure 3 at least includes upper end cover assembly 301, bottom end cover assembly 302, pressure ring assembly 303, end cap drive mechanism 304, as shown in Fig. 4 to Fig. 8.
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.
The central axis of upper and lower side cap assemblies and the dead in line of limited support 405U type opening inner side center of arc so that when a mouth pipe 501 is stuck in the U-shaped opening inner side of limited support 405, upper end cover 307 and bottom end cover 309 can be directed at mouth pipe 501 endoporus.
During test, seeing Fig. 1, Fig. 2, Fig. 3, Fig. 7, Fig. 8, first three way cock 5 be vertically placed in positioning seat 2 opening of base 1, supervisor's outer wall is close to positioning seat 2 opening inner side, and mouth pipe 501 opening outwardly, is stuck in the U-shaped opening of mouth pipe locating support 9 upper end；According to three way cock 5 model, select the positive stop strip 202 of appropriate length, insert in the draw-in groove 201 of positioning seat 2 upper surface both sides, gripper shoe drive mechanism 402 pushes transfer plate 403 and moves down, indirect Push gripper shoe 404 and sealing performance testing machine structure 3 enter in threeway supervisor from the upper end mouth of pipe, when transfer plate 403 is displaced downwardly to and positive stop strip 202 upper-end contact, i.e. it is blocked, stops moving down.Owing to have selected positive stop strip 202 height before, now, sealing performance testing machine structure 3 is just displaced downwardly to a mouth pipe orifice correspondence direction.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 moves forward to be responsible for inwall laminating with three way cock 5, stop reach, 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 reach；Bottom end cover 309 continues reach, 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 another reach of upper end cover 307, 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 leak detecting device of a welding three way cock, including a base (1), it is characterised in that: described base (1) is provided with the positioning seat (2) of a three way cock (5), one mouth pipe locating support (9), a sealing performance testing machine structure (3) and the delivery device (4) of sealing performance testing machine structure (3)；
Described positioning seat (2) is U-shaped piece outwardly of horizontal positioned, an opening, the diameter of U-shaped piece of opening inner side circular arc mates with supervisor's external diameter of three way cock (5), positioning seat (2) upper surface both sides are respectively provided with draw-in groove (201), are provided with the positive stop strip (202) of pluggable replacing in draw-in groove (201)；Described mouth pipe locating support (9) is positioned at positioning seat (2) front side, and mouth pipe locating support (9) upper end is an opening up U-shape structure, and U-shaped opening size mates with mouth pipe (501) external diameter；Described sealing performance testing machine structure (3) and the delivery device (4) of sealing performance testing machine structure (3) are positioned at positioning seat (2) upside；
Described delivery device (4) includes transfer plate (403), gripper shoe (404), sliding track mechanism (401) and gripper shoe drive mechanism (402), described sliding track mechanism (401) is vertically arranged in base (1) both sides, described transfer plate (403) both sides are positioned on the slide block of sliding track mechanism (401), transfer plate (403) is in being horizontally disposed with, transfer plate (403) downside is fixed with gripper shoe (404), upside is connected with gripper shoe drive mechanism (402), gripper shoe (404) is pushed can be moved up and down by gripper shoe drive mechanism (402), stretch into three way cock (5) inner side, it is additionally provided with sealing performance testing machine structure (3) in described gripper shoe (404)；
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 leak detecting device of a kind of welding three way cock 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 leak detecting device of a kind of welding three way cock 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 leak detecting device of a kind of welding three way cock 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 leak detecting device of a kind of welding three way cock 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 |
|---|---|---|---|
| CN201620254270.XU CN205426452U (en) | 2016-03-30 | 2016-03-30 | Butt fusion three way connection's equipment of leaking hunting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620254270.XU CN205426452U (en) | 2016-03-30 | 2016-03-30 | Butt fusion three way connection's equipment of leaking hunting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205426452U true CN205426452U (en) | 2016-08-03 |
Family
ID=56522875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620254270.XU Expired - Fee Related CN205426452U (en) | 2016-03-30 | 2016-03-30 | Butt fusion three way connection's equipment of leaking hunting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205426452U (en) |
-
2016
- 2016-03-30 CN CN201620254270.XU patent/CN205426452U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20180330 |