CN207095785U - A kind of tightness test device for carborundum stalk - Google Patents
A kind of tightness test device for carborundum stalk Download PDFInfo
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- CN207095785U CN207095785U CN201720883211.3U CN201720883211U CN207095785U CN 207095785 U CN207095785 U CN 207095785U CN 201720883211 U CN201720883211 U CN 201720883211U CN 207095785 U CN207095785 U CN 207095785U
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- carborundum
- fixed
- stalk
- hole
- tank
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Abstract
The utility model discloses a kind of tightness test device for carborundum stalk, belong to technical field of test equipment.The tightness test device includes tank, lowering or hoisting gear, pipe fixing device and tube support device, and lowering or hoisting gear can drive pipe fixing device to be moved in the vertical direction inside the tank；Pipe fixing device includes adjusting base, fixed wedge, oil cylinder seat and hydraulic jack, is provided with regulation through hole at the top of adjusting base, fixed wedge is fixedly installed on one end of adjusting base, and hydraulic jack is fixedly installed on the oil cylinder seat of the adjusting base other end；Tube support device is arranged on adjusting base, and tube support device includes the first support block group and the second support block group, and the right angle trigonometry block that the first support block group and the second support block group are set by 2 opposite activities forms.The utility model disclosure satisfy that the air-tight test requirement of the carborundum stalk of different size shape, and apparatus structure is simple, and test efficiency is high, and applicability is good.
Description
Technical field
The utility model belongs to technical field of test equipment, and more particularly to a kind of air-tightness for carborundum stalk is tried
Experiment device technical field.
Background technology
Carborundum stalk, because it not only has preferable heat-resistant knocking stability, high temperature creep-resisting, anti acid alkali performance, antioxygen
The molten metal attack such as the property changed, aluminum-resistant, lead, tin, zinc, but also there is excellent thermal shock resistance, it has been widely used in coloured gold
Belong to casting industry, particularly Low Pressure Die Casting of Aluminum Wheel Hub industry.It is placed in the closed dress aluminium solution of die casting machine down at work
In holding furnace, directly contact with metallic solution, 700 DEG C or so of temperature, apply every 3~5 minutes die casting machines to aluminium solution liquid level
Certain air pressure, aluminum solutions is carried flowing in mold cavity in stalk is cast, and realizes its automation and serialization.
There is 0.8~1bar pressure in aluminium water cavity filling process, it is desirable to which stalk has preferable air-tightness.
Carborundum stalk generally customizes special pipe, and its pipe diameter, length even pipe ends diameter are according to design
Needing may be different, and specification shape is various, and the tightness test device that prior art is used to measure common steel tube is difficult to meet
Air-tight test requirement to miscellaneous carborundum stalk.
Utility model content
The utility model is to overcome problems of the prior art, there is provided a kind of air-tightness for carborundum stalk
Experimental rig, the air-tight test requirement of the carborundum stalk of different size shape is disclosure satisfy that, apparatus structure is simple, submergence
Stable, test efficiency is high, and applicability is good.
The utility model adopts the following technical scheme that to solve above-mentioned problems of the prior art.
A kind of tightness test device for carborundum stalk, including tank, it is characterised in that also include lifting dress
Put, pipe fixing device and tube support device, the lowering or hoisting gear are 2 and are symmetrically fixedly installed on the two of the tank top
End, the movable end of the lowering or hoisting gear are provided with the pipe fixing device, and the lowering or hoisting gear can drive pipe fixing device to exist
Moved in the vertical direction inside the tank；
The pipe fixing device includes adjusting base, fixed wedge, oil cylinder seat and hydraulic jack, the top of the adjusting base
Portion is provided with multigroup regulation through hole being arranged side by side, and the fixed wedge is fixedly installed on the adjusting base using bolt-connection
One end, the oil cylinder seat is fixedly installed on the other end of the adjusting base, the fixed wedge and institute using bolt-connection
State oil cylinder seat coaxial line to be oppositely arranged, hydraulic pressure rod through-hole is provided with the end plate of the oil cylinder seat, the hydraulic jack is fixed and set
Put on the oil cylinder seat, the hydraulic stem of the hydraulic jack runs through the hydraulic pressure rod through-hole, the hydraulic stem of the hydraulic jack
End set have moveable platen；
The tube support device is arranged on the adjusting base, and the tube support device includes the first support block group and the
The right angle trigonometry block that two support block groups, the first support block group and the second support block group are set by 2 opposite activities forms；
It is fixedly installed the first sealing gasket in the moveable platen, it is close that the front end of the fixed wedge is fixedly installed second
Packing, sealing gasket through hole is provided with the middle part of second sealing gasket, being provided with wedge screw thread in the middle part of the fixed wedge leads to
Hole, the sealing gasket through hole are coaxially set with the wedge tapped through hole, and it is empty that compression is provided with the wedge tapped through hole
Gas joint, the compressed air joint are connected with compressed air hose, and switch valve is provided with the compressed air hose.
Further, the lowering or hoisting gear includes fixed supported slab, cylinder and guide rod, and the fixed supported slab is consolidated using bolt
Surely the top of the tank is arranged on, the cylinder is fixedly installed on the fixed supported slab using bolt, and the guide rod is 2
The both sides of piston rod that is individual and being symmetricly set on the cylinder, the upper and lower ends of guide rod respectively with the fixed supported slab and tank
Bottom be fixedly connected, the bottom of the piston rod of the cylinder is fixedly installed the pipe fixing device, and the adjustable plate is close
The through hole being slidably matched with the guide rod is provided with the end angle of one end of the cylinder, the cylinder can drive pipe to fix
Device moves up and down inside tank along guide rod.
Further, the tube support device is made up of permanent-magnet material.
Further, the switch valve is 3-position-3-way solenoid valve.
Further, first sealing gasket is fixed on the oil cylinder seat using snapclip.
Further, second sealing gasket is fixed on the fixed wedge using snapclip.
Further, the bottom of the tank is provided with the valve for emptying tank.
Relative to prior art, the utility model achieves following beneficial effect：
1st, a kind of tightness test device for carborundum stalk provided by the utility model, the adjusting base
Top is provided with multigroup regulation through hole being arranged side by side, by adjusting fixed wedge and oil cylinder seat and regulation through hole bolt-connection
Position, the spacing being capable of between the fixed wedge of adjustment of quick-speed large-scale and oil cylinder seat；The hydraulic stem of the hydraulic jack can
Promote oil cylinder seat to be moved in the stroke range of hydraulic stem, fixed pressure also can be further adjusted in the stroke range of hydraulic stem
Spacing between seat and oil cylinder seat, so as to realize that a set of tightness test device meets to the carborundum stalk of different length
Testing requirements.
2nd, a kind of tightness test device for carborundum stalk provided by the utility model, is set using 2 activities
The the first support block group and the second support block group put are used for the support of stalk bottom, pass through mobile first support block group and second
One or two in support block can facilitate the spacing adjusted between the first support block group and the second support block group, realize to not
With the supporting role of the carborundum stalk of length；The first support block group and the second support block group are by 2 opposite activities
The right angle trigonometry block composition of setting, just can quickly be realized to difference by the registration between mobile 2 right angle trigonometry blocks
The supporting role of the carborundum stalk of diameter；The utility model uses the combination of two activity of 4 simple right angle trigonometry blocks
Set, it becomes possible to realize the support to different length, diameter and reducing stalk, the tube support device is compared with prior art routine
Tube support arrangement even for baroque tube support arrangement, novelty simple in construction, there is unexpected be applicable
Property.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the structure chart of the tightness test device of the present utility model for carborundum stalk.
Fig. 2 is the top view of Fig. 1 tightness test device for carborundum stalk.
Fig. 3 is Fig. 2 A-A to sectional view.
Fig. 4 is the structural representation of the utility model tube support device.
In figure：1, tank；2, lowering or hoisting gear；21, fixed supported slab；22, cylinder；23, guide rod；3, pipe fixing device；31,
Adjusting base；311, adjust through hole；32, fixed wedge；321, wedge tapped through hole；33, oil cylinder seat；34, hydraulic jack；35,
Moveable platen；36, the first sealing gasket；37, the second sealing gasket；4, tube support device；41, the first support block group；42, the second support
Block group.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in embodiment is carried out clear, complete
Ground describes.Obviously, described embodiment is only part of the embodiment of the present utility model, rather than whole embodiments.
Based on embodiment of the present utility model, institute that those of ordinary skill in the art are obtained under the premise of creative work is not made
There is other embodiment, belong to the scope of the utility model protection.
As shown in Figures 1 to 3, a kind of tightness test device for carborundum stalk described in the utility model, bag
Tank 1 is included, includes lowering or hoisting gear 2, pipe fixing device 3 and tube support device 4, the lowering or hoisting gear 2 is 2 and is symmetrically fixedly installed
At the both ends on the top of tank 1, the movable end of the lowering or hoisting gear 2 is provided with the pipe fixing device 3, the lowering or hoisting gear
2 can drive pipe fixing device 3 to be moved in the vertical direction inside the tank 1.
A kind of tightness test device for carborundum stalk described in the utility model, to carborundum stalk
Before carrying out air-tight test, pipe fixing device 3 can be risen to above the water surface of tank 1 by lowering or hoisting gear 2, can be convenient
Stalk is positioned and fixed, without carrying out associative operation below the water surface, is avoided in the buoyancy and stalk of water
The inconvenience that air comes on the positioning and fixing band that carry out stalk influences；, can also be first by 3 liters of pipe fixing device after off-test
The disassembling section of stalk is carried out above to the water surface again, test efficiency and operational comfort can be significantly improved.
Pipe fixing device 3 includes adjusting base 31, fixed wedge 32, oil cylinder seat 33 and hydraulic jack 34, the regulation bottom
The top of seat 31 is provided with multigroup regulation through hole 311 being arranged side by side, and the fixed wedge 32 is fixedly installed using bolt-connection
In one end of the adjusting base 31, the oil cylinder seat 33 is fixedly installed on the another of the adjusting base 31 using bolt-connection
End, the fixed wedge 32 are oppositely arranged with the coaxial line of oil cylinder seat 33, and hydraulic pressure is provided with the end plate of the oil cylinder seat 33
Rod through-hole, the hydraulic jack 34 are fixedly installed on the oil cylinder seat 33, and the hydraulic stem of the hydraulic jack 34 is through described
Hydraulic pressure rod through-hole, the end set of the hydraulic stem of the hydraulic jack 34 have moveable platen 35.
The top of adjusting base 31 is provided with multigroup regulation through hole 311 being arranged side by side, by adjust fixed wedge 32 and
Wedge 32 and oil cylinder seat 33 are fixed in oil cylinder seat 33 and the position of the regulation bolt-connection of through hole 311, the adjustment for being capable of quick-speed large-scale
Between spacing；The hydraulic stem of the hydraulic jack 34 can promote oil cylinder seat 33 to be moved in the stroke range of hydraulic stem,
The spacing between fixed wedge 32 and oil cylinder seat 33 can be further adjusted in the stroke range of hydraulic stem, it is a set of so as to realize
Tightness test device meets the testing requirements to the carborundum stalk of different length.
Tube support device 4 is arranged on the adjusting base 31, and the tube support device 4 includes the He of the first support block group 41
Second support block group 42, the right angle three that the first support block group 41 and the second support block group 42 are set by 2 opposite activities
Hornblock forms.
The the first support block group 41 and the second support block group 42 that tube support device 4 is set using 2 activities are used for stalk
The support of bottom, being capable of conveniently regulation the by one or two in mobile first support block group 41 and the second support block group 42
Spacing between one support block group 41 and the second support block group 42, realize that the support to the carborundum stalk of different length is made
With；The right angle trigonometry block that the first support block group 41 and the second support block group 42 are set by 2 opposite activities forms, and passes through
Registration between mobile 2 right angle trigonometry blocks just can quickly realize that the support to the carborundum stalk of different-diameter is made
With；The utility model is set using the combination of two activity of 4 simple right angle trigonometry blocks, it becomes possible to realization to different length,
The support of diameter and reducing stalk, the tube support device 4 tube support arrangement conventional compared with prior art even structure are answered
For miscellaneous tube support arrangement, novelty simple in construction, there is unexpected applicability.
The first sealing gasket 36 is fixedly installed in moveable platen 35, the front end of the fixed wedge 32 is fixedly installed second
Sealing gasket 37.First sealing gasket 36 is made with the second sealing gasket 37 of elastic abrasion-proof material, is entered to carborundum stalk
During promoting the circulation of qi tightness test, stalk is pressed abd fixed on oil cylinder seat 33 and fixed wedge under the pressure effect of hydraulic jack 34
Between 32, the first sealing gasket 36 and the second sealing gasket 37 can ensure after the compressed air of certain pressure is passed through in stalk,
Sealing at the mouth of pipe of stalk, the accuracy of guarantee test.
The middle part of second sealing gasket 37 is provided with sealing gasket through hole, and the middle part of the fixed wedge 32 is provided with wedge screw thread
Through hole 321, the sealing gasket through hole are coaxially set with the wedge tapped through hole 321, are set on the wedge tapped through hole 321
Compressed air joint is equipped with, the compressed air joint is connected with compressed air hose, and switch is provided with the compressed air hose
Valve.Quickly compressed air hose can be installed and dismantled using compressed air joint.Test into compressed-air line
Compressed air enter by the switch valve, compressed air joint, wedge tapped through hole 321 and sealing gasket through hole rise a liquid successively
In pipe, make to keep certain internal pressure in stalk.
Preferable scheme, the lowering or hoisting gear 2 include fixed supported slab 21, cylinder 22 and guide rod 23, the fixed supported slab
21 are fixedly installed on the top of the tank 1 using bolt, and the cylinder 22 is fixedly installed on the fixed supported slab using bolt
On 21, the guide rod 23 is 2 and is symmetricly set on the both sides of the piston rod of the cylinder 22, the upper and lower ends of guide rod 23
The bottom with the fixed supported slab 21 and tank 1 is fixedly connected respectively, and the bottom of the piston rod of the cylinder 22 is fixedly installed
The pipe fixing device 3, the adjustable plate is provided with the end angle of one end of the cylinder 22 to be slided with the guide rod 23
The dynamic through hole coordinated, the cylinder 22 can drive pipe fixing device 3 to be moved up and down inside tank 1 along guide rod 23.
Preferable scheme, the tube support device 4 are made up of permanent-magnet material.
Preferable scheme, the switch valve are 3-position-3-way solenoid valve., can be in air-tightness using 3-position-3-way solenoid valve
After off-test, it can carry out unloading press operation when can just make stalk by 3-position-3-way solenoid valve under water, release is completed
Afterwards, then by stalk rise to above the water surface, mobile possible operation accident when avoiding being in certain process stage inside stalk.
Preferable scheme, first sealing gasket 36 are fixed on the oil cylinder seat 33 using snapclip, convenient to the
One sealing gasket 36 is changed.
Preferable scheme, second sealing gasket 37 are fixed on the fixed wedge 32 using snapclip, convenient pair
First sealing gasket 36 is changed.
Preferable scheme, the bottom of the tank 1 are provided with the valve for emptying tank 1.
A kind of tightness test device for carborundum stalk described in the utility model, disclosure satisfy that different size
The air-tight test requirement of the carborundum stalk of shape, apparatus structure is simple, and submergence is stable, and test efficiency is high, and applicability is good.
Content described in this specification embodiment is only enumerating to the way of realization of utility model design, and this practicality is new
The protection domain of type is not construed as being only limitted to the concrete form that embodiment is stated, the scope of protection of the utility model also and
In those skilled in the art according to the utility model design it is conceivable that equivalent technologies mean.
Claims (7)
1. a kind of tightness test device for carborundum stalk, including tank (1), it is characterised in that：Also include lifting
Device (2), pipe fixing device (3) and tube support device (4), the lowering or hoisting gear (2) are 2 and are symmetrically fixedly installed on described
The both ends on tank (1) top, the movable end of the lowering or hoisting gear (2) are provided with the pipe fixing device (3), the lowering or hoisting gear
(2) pipe fixing device (3) can be driven to be moved in the vertical direction inside the tank (1)；
The pipe fixing device (3) includes adjusting base (31), fixed wedge (32), oil cylinder seat (33) and hydraulic jack (34),
Multigroup regulation through hole (311) being arranged side by side is provided with the top of the adjusting base (31), the fixed wedge (32) uses
Bolt-connection is fixedly installed on one end of the adjusting base (31), and the oil cylinder seat (33) is fixedly installed on using bolt-connection
The other end of the adjusting base (31), the fixed wedge (32) is oppositely arranged with the oil cylinder seat (33) coaxial line, described
Hydraulic pressure rod through-hole is provided with the end plate of oil cylinder seat (33), the hydraulic jack (34) is fixedly installed on the oil cylinder seat (33)
On, the hydraulic stem of the hydraulic jack (34) runs through the hydraulic pressure rod through-hole, the end of the hydraulic stem of the hydraulic jack (34)
It is provided with moveable platen (35)；
The tube support device (4) is arranged on the adjusting base (31), and the tube support device (4) includes the first support block
Group (41) and the second support block group (42), the first support block group (41) and the second support block group (42) are opposite living by 2
The dynamic right angle trigonometry block composition set；
The first sealing gasket (36), the front end fixed setting of the fixed wedge (32) are fixedly installed on the moveable platen (35)
There is the second sealing gasket (37), sealing gasket through hole is provided with the middle part of second sealing gasket (37), the fixed wedge (32)
Middle part is provided with wedge tapped through hole (321), and the sealing gasket through hole is coaxially set with the wedge tapped through hole (321),
Compressed air joint is provided with the wedge tapped through hole (321), the compressed air joint is connected with compressed air hose, institute
State and switch valve is provided with compressed air hose.
A kind of 2. tightness test device for carborundum stalk according to claim 1, it is characterised in that：It is described
Lowering or hoisting gear (2) includes fixed supported slab (21), cylinder (22) and guide rod (23), and the fixed supported slab (21) is fixed using bolt
The top of the tank (1) is arranged on, the cylinder (22) is fixedly installed on the fixed supported slab (21) using bolt, described
Guide rod (23) is 2 and is symmetricly set on the both sides of the piston rod of the cylinder (22), and the upper and lower ends of guide rod (23) are divided
Bottom not with the fixed supported slab (21) and tank (1) is fixedly connected, and the bottom of the piston rod of the cylinder (22), which is fixed, to be set
The pipe fixing device (3) is equipped with, the adjustable plate is provided with the end angle of one end of the cylinder (22) and led with described
The through hole being slidably matched to bar (23), the cylinder (22) can drive pipe fixing device (3) internal along guide rod in tank (1)
(23) move up and down.
A kind of 3. tightness test device for carborundum stalk according to claim 1, it is characterised in that：It is described
Tube support device (4) is made up of permanent-magnet material.
A kind of 4. tightness test device for carborundum stalk according to claim 1, it is characterised in that：It is described
Switch valve is 3-position-3-way solenoid valve.
A kind of 5. tightness test device for carborundum stalk according to claim 1, it is characterised in that：It is described
First sealing gasket (36) is fixed on the oil cylinder seat (33) using snapclip.
A kind of 6. tightness test device for carborundum stalk according to claim 1, it is characterised in that：It is described
Second sealing gasket (37) is fixed on the fixed wedge (32) using snapclip.
A kind of 7. tightness test device for carborundum stalk according to claim 1, it is characterised in that：It is described
The bottom of tank (1) is provided with the valve for emptying tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720883211.3U CN207095785U (en) | 2017-07-18 | 2017-07-18 | A kind of tightness test device for carborundum stalk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720883211.3U CN207095785U (en) | 2017-07-18 | 2017-07-18 | A kind of tightness test device for carborundum stalk |
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| Publication Number | Publication Date |
|---|---|
| CN207095785U true CN207095785U (en) | 2018-03-13 |
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ID=61544685
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720883211.3U Active CN207095785U (en) | 2017-07-18 | 2017-07-18 | A kind of tightness test device for carborundum stalk |
Country Status (1)
| Country | Link |
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| CN (1) | CN207095785U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440998A (en) * | 2019-07-30 | 2019-11-12 | 核工业第八研究所 | A kind of composite material of silicon carbide round tube leak rate method for testing performance |
| CN110926705A (en) * | 2019-12-03 | 2020-03-27 | 青岛新力通工业有限责任公司 | Semi-automatic pipe section air tightness testing machine |
-
2017
- 2017-07-18 CN CN201720883211.3U patent/CN207095785U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440998A (en) * | 2019-07-30 | 2019-11-12 | 核工业第八研究所 | A kind of composite material of silicon carbide round tube leak rate method for testing performance |
| CN110440998B (en) * | 2019-07-30 | 2021-10-29 | 核工业第八研究所 | Method for detecting leakage rate performance of silicon carbide composite circular tube |
| CN110926705A (en) * | 2019-12-03 | 2020-03-27 | 青岛新力通工业有限责任公司 | Semi-automatic pipe section air tightness testing machine |
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