CN205426453U - Three way connection's weld sealing performance test machine - Google Patents
Three way connection's weld sealing performance test machine Download PDFInfo
- Publication number
- CN205426453U CN205426453U CN201620255187.4U CN201620255187U CN205426453U CN 205426453 U CN205426453 U CN 205426453U CN 201620255187 U CN201620255187 U CN 201620255187U CN 205426453 U CN205426453 U CN 205426453U
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- Prior art keywords
- end cover
- supervisor
- gripper shoe
- sealing performance
- cylinder
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Abstract
The utility model discloses a three way connection's weld sealing performance test machine 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 three way connection inside, the sealing performance test machine 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 weld sealing performance testing machine of a kind of 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 three way cock of stretching into, seals for weld, reduces test cavity, the sealing performance testing machine of raising baroceptor sensitivity.
To achieve these goals, this utility model is by the following technical solutions: the weld sealing performance testing machine of a kind of three way cock, 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, 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；
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；It is provided with relocation mechanism between described end cap drive mechanism and gripper shoe, described relocation mechanism includes one piece of base plate and one piece of flexible cushion block, fix with base plate bottom end cap drive mechanism, described flexible cushion block is arranged between base plate and gripper shoe, it is correspondingly arranged on some through holes on base plate and flexible cushion block, having plug to play bolt, to run through the through hole on base plate and flexible cushion block from top to bottom fixing on the supporting plate, fills in beat and is slidably connected between bolt and base plate.
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 flexible cushion block is silicagel pad.
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 sectional view before this utility model sealing performance testing machine structure uses.
Fig. 6 is the sectional view during use of this utility model sealing performance testing machine structure.
Fig. 7 is the structural representation of relocation mechanism between this utility model end cap drive mechanism and gripper shoe.
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: flexible cushion block；406: base plate；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 weld sealing performance testing machine of three way cock, 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.
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 Figures 3 to 6.
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.
It is provided with relocation mechanism between described end cap drive mechanism 304 and gripper shoe 404, as shown in Figure 7, described relocation mechanism includes one piece of base plate 406 and one piece of flexible cushion block 405, described flexible cushion block 405 is silicagel pad, fix with base plate 406 bottom end cap drive mechanism 304, silicagel pad is arranged between base plate 406 and gripper shoe 404, base plate is arranged with four through holes on 406 4 angles, it is correspondingly arranged with base plate 406 in silicagel pad and also is provided with four through holes, have plug to play bolt 313 to run through the through hole in base plate 406 and silicagel pad from top to bottom and be fixed in gripper shoe 404, plug is beaten and is slidably connected between bolt 313 and base plate 406.When a mouth pipe 501 welding angle has deviation, base plate 406 just can be made floating by extruding silicagel pad and be adjusted, and the angle direction of fine setting sealing performance testing machine structure 3 adapts to the angular deviation of a mouth pipe 501.
During test, seeing Fig. 5 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；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 limiting plate 403 is stopped by cylinder 201 end face, stopping mobile, 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 (6)
1. the weld sealing performance testing machine of a three way cock, 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), 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 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)；
It is provided with relocation mechanism between described end cap drive mechanism (304) and gripper shoe (404), described relocation mechanism includes one piece of base plate (406) and one piece of flexible cushion block (405), end cap drive mechanism (304) bottom is fixed with base plate (406), described flexible cushion block (405) is arranged between base plate (406) and gripper shoe (404), it is correspondingly arranged on some through holes on base plate (406) and flexible cushion block (405), through hole that bolt (313) runs through in base plate (406) and flexibility cushion block (405) from top to bottom is fixed in gripper shoe (404) to have plug to beat, plug is beaten and is slidably connected between bolt (313) and base plate (406).
The weld sealing performance testing machine of a kind of 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 weld sealing performance testing machine of a kind of 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 weld sealing performance testing machine of a kind of 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 °.
The weld sealing performance testing machine of a kind of three way cock the most according to claim 1, it is characterised in that: described flexible cushion block (405) is silicagel pad.
6. according to the weld sealing performance testing machine of a kind of three way cock described in any claim in claim 1 to 5, 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 |
|---|---|---|---|
| CN201620255187.4U CN205426453U (en) | 2016-03-30 | 2016-03-30 | Three way connection's weld sealing performance test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620255187.4U CN205426453U (en) | 2016-03-30 | 2016-03-30 | Three way connection's weld sealing performance test machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205426453U true CN205426453U (en) | 2016-08-03 |
Family
ID=56521824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620255187.4U Withdrawn - After Issue CN205426453U (en) | 2016-03-30 | 2016-03-30 | Three way connection's weld sealing performance test machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205426453U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699025A (en) * | 2016-03-30 | 2016-06-22 | 王国良 | Sealing performance testing machine for welding joining part of tee joint |
-
2016
- 2016-03-30 CN CN201620255187.4U patent/CN205426453U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699025A (en) * | 2016-03-30 | 2016-06-22 | 王国良 | Sealing performance testing machine for welding joining part of tee joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160803 Effective date of abandoning: 20180223 |