CN109883618A - Groove tank bottom plate leak test vacuum box structure and test method - Google Patents
Groove tank bottom plate leak test vacuum box structure and test method Download PDFInfo
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- CN109883618A CN109883618A CN201910305087.6A CN201910305087A CN109883618A CN 109883618 A CN109883618 A CN 109883618A CN 201910305087 A CN201910305087 A CN 201910305087A CN 109883618 A CN109883618 A CN 109883618A
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- tank bottom
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- groove tank
- plate
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Abstract
The present invention relates to technical fields of mechanical processing, more particularly to a kind of groove tank bottom plate leak test vacuum box structure and test method, the vacuum pump and pressure vacuum gauge for including rectangle cover by the way that vacuum box structure is arranged and being connect respectively with rectangle cover, and in brushing foam water on weld seam before carrying out leak test, the rectangle cover is covered on groove tank bottom plate to be sealed weld seam to be checked on groove tank bottom plate, and after being vacuumized using vacuum pump, whether change judge whether the tightness of weld seam to be checked is qualified according to the reading of pressure vacuum gauge, if having bubble generation on the weld seam to be checked, then show there is leakage at bubble, and then it can judge the underproof specific location of weld seam tightness.Groove tank bottom plate tightness can be detected in the lesser tank body of restricted clearance using the vacuum box structure, effectively save resource, and the vacuum box structure have the advantages that tables of equipment one, it is easy to operate, easy to carry, be not take up space.
Description
Technical field
The present invention relates to technical field of mechanical processing more particularly to a kind of groove tank bottom plate leak test vacuum box structures
And test method.
Background technique
The detection of the tightness of groove tank bottom plate is extremely important, but at present more to the detection of the tightness of groove tank bottom plate
Complexity, especially in the lesser tank body of restricted clearance, one can not operate large scale equipment, the tightness inspection of groove tank bottom plate
Survey can not carry out, this is that those skilled in the art do not expect to see.
Summary of the invention
In view of the above problems, the invention discloses a kind of groove tank bottom plate leak test vacuum box structure,
In, including a rectangle cover, vacuum pump and pressure vacuum gauge；
The rectangle cover covers on the groove tank bottom plate to give weld seam to be checked on the groove tank bottom plate
Sealing；The rectangle cover includes top frame, under(-)chassis and the top frame and under(-)chassis links together
Side plate, and top plate is fixedly installed in the top frame, the top plate includes the gasket being set in the top frame
With the glass plate being set on the gasket, bleeding point and connector are offered on the side plate, the bleeding point passes through ball valve
The vacuum pump is connected, the connector connects the pressure vacuum gauge；
Above-mentioned groove tank bottom plate leak test vacuum box structure, wherein the rectangle cover includes left plate, the right side
Side plate, front side board and back side panel, and the bleeding point is set on the left plate, the connector is set to the right side plate
On.
Above-mentioned groove tank bottom plate leak test vacuum box structure, wherein the left plate, right side plate, front side board and
Back side panel is steel plate.
Above-mentioned groove tank bottom plate leak test vacuum box structure, wherein the top frame, the gasket and described
Glass plate is bolted together.
Above-mentioned groove tank bottom plate leak test vacuum box structure, wherein the gasket is rubber material.
Above-mentioned groove tank bottom plate leak test vacuum box structure, wherein the glass plate is poly (methyl methacrylate) plate.
The invention also discloses a kind of groove tank bottom plate leak test methods, wherein tight based on above-mentioned groove tank bottom plate
Property test use vacuum box structure, which comprises
Fire-proof mud is crammed in the rectangle cover bottom periphery；
Using hairbrush by foam water brushing on groove tank bottom plate weld seam to be checked；
The weld seam to be checked is covered using the rectangle cover, and presses fire-proof mud, to guarantee the rectangle
It is blocked between cover and the groove tank bottom plate tight；
The switch of the ball valve and the vacuum pump is opened, and reaches predetermined value in the reading when the pressure vacuum gauge
When, close the ball valve and the vacuum pump；
Whether change judge whether the tightness of the weld seam to be checked is qualified according to the reading of the pressure vacuum gauge,
And according to the bubble production on the weld seam to be checked, the underproof specific position of weld seam tightness to be checked is judged
It sets.
Above-mentioned groove tank bottom plate leak test method, wherein if the vacuum pressure meter reading is unchanged, judge to
The tightness of the weld seam of inspection is qualified.
Above-mentioned groove tank bottom plate leak test method, wherein using flashlight from the upper surface of the glass plate
The bubble production of weld seam to be checked, to obtain the position for thering is bubble to generate on weld seam to be checked.
Above-mentioned groove tank bottom plate leak test method, wherein dish washing liquid is put into clean water to form the foam
Water.
Foregoing invention is with the following advantages or beneficial effects:
The invention discloses a kind of groove tank bottom plate leak test vacuum box structure and test methods, by the way that vacuum is arranged
Box structure includes rectangle cover and the vacuum pump and pressure vacuum gauge that connect respectively with rectangle cover, and is carrying out tightness
In brushing foam water on weld seam before test, which is covered on groove tank bottom plate with will be to be checked on groove tank bottom plate
Weld seam is sealed, and after being vacuumized using vacuum pump, whether changed according to the reading of pressure vacuum gauge judge it is to be checked
Whether the tightness of weld seam is qualified, if having bubble generation on the weld seam to be checked, shows there is leakage at bubble, and then can
Judge the underproof specific location of weld seam tightness.It can be in the lesser tank body of restricted clearance to slot using the vacuum box structure
Tank bottom tightness is detected, and has effectively saved resource, and the vacuum box structure have tables of equipment once, it is easy to operate,
In carrying and mobile, slim and graceful, it is not take up space and saves artificial advantage, there is very strong practicability.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, the present invention and its feature, outer
Shape and advantage will become more apparent.Identical label indicates identical part in all the attached drawings.Not can according to than
Example draws attached drawing, it is preferred that emphasis is shows the gist of the present invention.
Fig. 1 is the main view of bracket groove tank bottom leak test vacuum box structure of the embodiment of the present invention；
Fig. 2 is the top view of bracket groove tank bottom leak test vacuum box structure of the embodiment of the present invention；
Fig. 3 is the left view of bracket groove tank bottom leak test vacuum box structure of the embodiment of the present invention；
Fig. 4 is the main view of vacuum tank pedestal in the embodiment of the present invention；
Fig. 5 is the top view of vacuum tank pedestal in the embodiment of the present invention；
Fig. 6 is the side view of vacuum tank pedestal in the embodiment of the present invention；
Fig. 7 is the top view of glass plate in the embodiment of the present invention.
Specific embodiment
The structure in the present invention is further described with specific embodiment with reference to the accompanying drawing, but not as this
The restriction of invention.
Embodiment one:
As shown in Fig. 1~7, present embodiment discloses a kind of groove tank bottom plate leak test vacuum box structures, are applied to
The tightness of the weld seam of groove tank bottom plate is tested, specifically, the groove tank bottom plate leak test includes with vacuum box structure
One rectangle cover, vacuum pump 10 and pressure vacuum gauge 9；The rectangle cover covers on groove tank bottom plate with will be on groove tank bottom plate
Weld seam to be checked is sealed；The rectangle cover includes by top frame, under(-)chassis and by top frame and bottom frame
The vacuum tank pedestal 1 that the side plate that frame links together is constituted together, and top plate is fixedly installed in the top frame to form top
The rectangle cover of portion's sealing, the top plate include the rubber sheet gasket 3 being set in top frame and are set on rubber sheet gasket 3
Poly (methyl methacrylate) plate 2 offers bleeding point 1061 and connector 1062 on the side plate, which is connected very by ball valve 5
Sky pump 10, which connects pressure vacuum gauge 9；
Specifically, above-mentioned rectangle cover includes left plate, right side plate, front side board and back side panel, and bleeding point 1061 is set
It is placed on left plate, connector 1062 is set on right side plate (can also be set on right side plate, connector with bleeding point 1061
1062 are set on left plate, this has no effect on the purpose of the present invention), which is connected with by outer silk short circuit head 11
Ball valve 5, and connect by metal hose 6 with vacuum pump 10, which is connect by outer silk short circuit head 7 with loop 8,
And then it is connected to pressure vacuum gauge 9.Above-mentioned left plate, right side plate, front side board and back side panel are steel plate, and the top frame and
Under(-)chassis is also steel plate, and is between the top frame, under(-)chassis and left plate, right side plate, front side board and back side panel
It is welded to connect.Above-mentioned top frame, rubber sheet gasket 3 and poly (methyl methacrylate) plate 2 are linked together by bolt 4, specifically, above-mentioned top
Portion's frame includes the upper short slab 101 that 2 upper long slabs 102 and 2 being oppositely arranged are oppositely arranged, and is uniformly opened up in the top frame
There are multiple bolts hole；The bolt hole that the top frame is corresponded on the rubber sheet gasket 3 offers bolt hole, the poly (methyl methacrylate) plate 2
The bolt hole of the corresponding top frame offers bolt hole 21, and then bolt 4 can be utilized top frame, 3 and of rubber sheet gasket
Poly (methyl methacrylate) plate 2 is fixed together；Above-mentioned under(-)chassis includes 2 lower lower short slabs 103 of long slab 104 and 2 being oppositely arranged, on
State left plate and right side plate be 2 upper lower short slabs 103 of short slab 101 and 2 are correspondingly connected with together with short side plate 106, it is above-mentioned
Front side board and back side panel be 2 upper lower long slabs 104 of long slab 102 and 2 are correspondingly connected with together with 2 long side plate 105.
Below with reference to specific example to the specific system of the present embodiment bracket groove tank bottom leak test vacuum box structure
It is described in detail as method:
Using 6mm Q235B steel plate, (monolithic needs to make between two parties 2 pieces of on-site cutting upper short slab 120*304, hole, Kong Zhong
In the heart away from 30mm), (monolithic needs to make between two parties 2 pieces of upper long slab 960*3032, hole, Kong Zhongxin spacing 30mm), 2 pieces of lower short slabs
120*30,2 pieces of lower long slab 960*30, side plate 8,88*,180 2 pieces long, 2 pieces of short side plate 180*108 (are opened at plate centerHole), according to
The lower lower short slab of long slab-- side long slab-side short slab-goes up the sequence that long slab-goes up short slab, is welded into rectangular frame as vacuum tank pedestal,
The outer silk short circuit of the outer silk nipple of the vacuum tank pedestal two sides short slab aperture center and DN15L=200mm, DN15L=150mm
Pipe welds integral (all weld seams need to guarantee ne-leakage situation)；Processing 12mm 960*180 organic glass (surrounding aperture, greatly
Small, pitch-row need to be consistent with plate aperture long and short on pedestal), 5mm rubber sheet gasket (consistent with organic glass specification).From top to bottom according to
It is secondary according to organic glass-rubber sheet gasket-pedestal sequence, tighten (bolt symmetrically should be moved tightly) with the bolt of M10*450.Pedestal connects
The side pipe L=150mm, successively according to L=150mm adapter tube-DN15 separator tube-pressure vacuum gauge (being purchased according to test requirements document)；Bottom
The side seated connection pipe L=200mm, successively according to L=200mm adapter tube-DN15 ball valve-L=150mm adapter tube-DN15L=1500mm metal
Hose (length can be determined voluntarily)-vacuum pump (rotary vane type), which is linked in sequence, to be completed.Raw material band need to be used with outer silk adapter tube junction
Package is tightened, and metal hose is connect with adapter tube junction with DN15 pipe collar, need to be tightened at total interface.
Wherein, vacuum pump can select the model needed according to field demand (this explanation is by taking 2XZ-4 type rotary vane type as an example).Make
Vacuum pump specification should be read over before, load pump oil.When attaching power supply, it need to should be infused according to the regulation wiring of motor label
The direction of rotation of meaning motor is consistent with the arrow direction on support.
Embodiment two:
The invention also discloses a kind of groove tank bottom plate leak test methods, specifically, the test method is based on above-mentioned reality
The groove tank bottom plate leak test vacuum box structure in example one is applied, i.e. the embodiment is to prepare above-mentioned groove tank bottom plate
It is carried out on the basis of leak test vacuum box structure, this method comprises the following steps:
Step 1: fire-proof mud is crammed in rectangle cover bottom periphery.
Specifically, groove tank bottom plate weld seam two sides sundries and grieshoch need to be cleaned out before carrying out above-mentioned steps one, it will
Appropriate dish washing liquid pours into the bucket of dress clean fresh water to form foam water.
It should be noted that needing to check vacuum tank respectively adapter tube interface before bottom plate test flume tank bottom leak test
Whether seal intact, select for a post meaning weld seam, by fire-proof mud (it is neither too hard, nor too soft, guarantee to block tight, mouth under pedestal with bottom plate when vacuumizing
Surrounding bubble-free is suitable) it crams under vacuum tank pedestal around mouth, ball valve switch is in the open state, vacuum pump switch is opened,
By foam water with hairbrush brushing in each adapter tube interface, when pressure gauge reading reaches test pressure value or more, bubble-free is generated, i.e.,
Seal it is intact, close vacuum pump, can operate repeatedly.After confirming that each junction sealing is intact, bottom plate leak test can be started.
Step 2: using hairbrush by foam water brushing on groove tank bottom plate weld seam to be checked.Specifically, the foam water applies
Brush length need to be greater than the length of vacuum tank pedestal
Step 3: being covered weld seam to be checked using rectangle cover, and press fire-proof mud, with guarantee rectangle cover with
It is blocked between groove tank bottom plate tight.Under(-)chassis is centrally placed in the rectangle cover length direction of fire-proof mud to be checked
Weld seam on, press fire-proof mud with hand, it is tight to guarantee that rectangle cover bottom and groove tank bottom plate block.
Step 4: opening ball valve and make ball valve in the open state, opens vacuum pump switch, and when pressure vacuum gauge
When reading reaches predetermined value (i.e. test requirements document value), ball valve switch is closed, turns off vacuum pump immediately.
Step 5: whether change judge whether the tightness of weld seam to be checked is qualified according to the reading of pressure vacuum gauge；
If vacuum pressure meter reading is unchanged, judge that the tightness of weld seam to be checked is qualified；If vacuum pressure meter reading declines,
Judge that the tightness of weld seam to be checked is unqualified.Checked weld seam from being irradiated using flashlight from the upper surface of glass plate
Bubble production, and then obtain the position for having bubble to generate on weld seam to be checked shows that is, as there is bubble generation in commissure
Weld seam has leakage at bubble, marks, to it is whole checked polished, repairing treatment.Repeating above step can check
The tightness of unsplit bed(-)plate.
It should be appreciated by those skilled in the art that those skilled in the art are combining the prior art and above-described embodiment can be with
Realize change case, this will not be repeated here.Such change case does not affect the essence of the present invention, and it will not be described here.
Presently preferred embodiments of the present invention is described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, devices and structures not described in detail herein should be understood as gives reality with the common mode in this field
It applies；Anyone skilled in the art, without departing from the scope of the technical proposal of the invention, all using the disclosure above
Methods and technical content many possible changes and modifications are made to technical solution of the present invention, or be revised as equivalent variations etc.
Embodiment is imitated, this is not affected the essence of the present invention.Therefore, anything that does not depart from the technical scheme of the invention, foundation
Technical spirit of the invention any simple modifications, equivalents, and modifications made to the above embodiment, still fall within the present invention
In the range of technical solution protection.
Claims (10)
1. a kind of groove tank bottom plate leak test vacuum box structure, which is characterized in that including a rectangle cover, vacuum pump and
Pressure vacuum gauge；
The rectangle cover covers on the groove tank bottom plate to be sealed weld seam to be checked on the groove tank bottom plate；
The rectangle cover includes top frame, under(-)chassis and the side that the top frame and under(-)chassis link together
Plate, and top plate is fixedly installed in the top frame, the top plate includes the gasket being set in the top frame and sets
The glass plate being placed on the gasket, bleeding point and connector are offered on the side plate, and the bleeding point passes through ball valve and connects
The vacuum pump, the connector connect the pressure vacuum gauge.
2. groove tank bottom plate leak test vacuum box structure as described in claim 1, which is characterized in that the rectangle cover
Body includes left plate, right side plate, front side board and back side panel, and the bleeding point is set on the left plate, the connector
It is set on the right side plate.
3. groove tank bottom plate leak test vacuum box structure as claimed in claim 2, which is characterized in that the left plate,
Right side plate, front side board and back side panel are steel plate.
4. groove tank bottom plate leak test vacuum box structure as described in claim 1, which is characterized in that the top frame
Together with frame, the gasket are bolted with the glass plate.
5. groove tank bottom plate leak test vacuum box structure as described in claim 1, which is characterized in that the gasket is rubber
Glue material matter.
6. groove tank bottom plate leak test vacuum box structure as described in claim 1, which is characterized in that the glass plate is
Poly (methyl methacrylate) plate.
7. a kind of groove tank bottom plate leak test method, which is characterized in that be based on slot as described in any one of claims 1 to 6
Tank bottom leak test vacuum box structure, which comprises
Fire-proof mud is crammed in the rectangle cover bottom periphery；
Using hairbrush by foam water brushing on groove tank bottom plate weld seam to be checked；
The weld seam to be checked is covered using the rectangle cover, and presses fire-proof mud, to guarantee the rectangle cover
It is blocked between the groove tank bottom plate tight；
The switch of the ball valve and the vacuum pump is opened, and when the reading of the pressure vacuum gauge reaches predetermined value, is closed
Close the ball valve and the vacuum pump；
Whether change judge whether the tightness of the weld seam to be checked is qualified according to the reading of the pressure vacuum gauge, and root
According to the bubble production on the weld seam to be checked, the underproof specific location of weld seam tightness to be checked is judged.
8. groove tank bottom plate leak test method as claimed in claim 7, which is characterized in that if the vacuum pressure meter reading
It is unchanged, then judge that the tightness of weld seam to be checked is qualified.
9. groove tank bottom plate leak test method as claimed in claim 7, which is characterized in that utilize flashlight from the glass
The bubble production of weld seam to be checked is observed in the upper surface of plate, to obtain the position for having bubble to generate on weld seam to be checked
It sets.
10. groove tank bottom plate leak test method as claimed in claim 7, which is characterized in that dish washing liquid is put into clean water
In to form the foam water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910305087.6A CN109883618A (en) | 2019-04-16 | 2019-04-16 | Groove tank bottom plate leak test vacuum box structure and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910305087.6A CN109883618A (en) | 2019-04-16 | 2019-04-16 | Groove tank bottom plate leak test vacuum box structure and test method |
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| Publication Number | Publication Date |
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| CN109883618A true CN109883618A (en) | 2019-06-14 |
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| CN201910305087.6A Pending CN109883618A (en) | 2019-04-16 | 2019-04-16 | Groove tank bottom plate leak test vacuum box structure and test method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111947865A (en) * | 2020-08-12 | 2020-11-17 | 河南卫华重型机械股份有限公司 | Low-pressure sealing test module integrated device |
| CN113390572A (en) * | 2020-03-12 | 2021-09-14 | Oppo（重庆）智能科技有限公司 | Airtight maintenance method and maintenance device |
| CN113776744A (en) * | 2021-08-30 | 2021-12-10 | 中国一冶集团有限公司 | Welding seam leakage detection device and method |
| CN116952483A (en) * | 2023-07-24 | 2023-10-27 | 盾构及掘进技术国家重点实验室 | Low-vacuum tunnel joint micro-leakage test device and test method thereof |
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Application publication date: 20190614 |