CN216433444U - Detection device for box air tightness test - Google Patents
Detection device for box air tightness test Download PDFInfo
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- CN216433444U CN216433444U CN202123106612.3U CN202123106612U CN216433444U CN 216433444 U CN216433444 U CN 216433444U CN 202123106612 U CN202123106612 U CN 202123106612U CN 216433444 U CN216433444 U CN 216433444U
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- box body
- frame
- cover plate
- detection device
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- 238000001514 detection method Methods 0.000 title claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 47
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000012797 qualification Methods 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- Examining Or Testing Airtightness (AREA)
Abstract
A detection device for a box air tightness test comprises a sealing plate assembly matched with a box port and a clamping element used for pressing the sealing plate assembly to the box port; the closing plate subassembly includes the apron, is used for compressing tightly the frame of apron, and the round sealing strip is equipped with to apron inner face periphery, is equipped with the quick change coupler who is linked together with the box inner chamber on the apron, and the apron outside periphery is arranged in to the frame, is equipped with the round clamp bolt on the frame, and the clamp bolt tip offsets with the apron outside. The utility model discloses an aerating device is connected with quick change coupler, aerifys to the box is inside. The utility model has the advantages of simple structure, easy processing of products, convenient detection, simple use and high qualification rate of one-time acceptance check of products.
Description
Technical Field
The utility model belongs to a test device, concretely relates to detection device for gas tightness test.
Background
The box body used for containing the rocket projectile needs to ensure the welding tightness, so the air tightness test needs to be carried out to prevent the phenomena of rain, water leakage and the like. The gas tightness test is one of density tests using gas as a pressurizing medium performed to prevent leakage of a pressure vessel. This is a pressure vessel that must be tested for gas tightness for those pressure vessels whose contents are extremely toxic, highly hazardous or are designed to not permit minor leaks.
At present, because the whole length of the box body is longer, the whole tightness test is not practical and is more complicated, and therefore, a practical tightness test device convenient to operate needs to be designed.
Disclosure of Invention
An object of the utility model is to overcome prior art's the aforesaid not enough, and provide a box is detection device for gas tightness test, realize that the gas tightness detects, simple structure, the product detects conveniently, simple to use, the product is once handed over the qualification rate height.
The technical scheme of the utility model is that: the sealing plate assembly is matched with the port of the box body, and the clamping piece is used for pressing the sealing plate assembly to the port of the box body; the closing plate subassembly includes the apron, is used for compressing tightly the frame of apron, and the round sealing strip is equipped with to apron inner face periphery, is equipped with the quick change coupler who is linked together with the box inner chamber on the apron, and the apron outside periphery is arranged in to the frame, is equipped with the round clamp bolt on the frame, and the clamp bolt tip offsets with the apron outside.
The clamping pieces are more than two, and each clamping piece comprises a hook plate, a hook seat for fixing the hook plate and a connecting piece for connecting the hook plate and the hook seat.
The inner end of the hook seat is connected to the frame, and the connecting piece is arranged at the outer end of the hook seat; the hook head of the hook plate is hooked on the box body frame at the box body port, and the hook tail of the hook plate corresponds to the outer end of the hook seat.
The clamping piece is arranged on the bottom side edge of the sealing plate component.
A baffle is arranged on the upper side edge of the sealing plate component, and the baffle is arranged opposite to the clamping piece; the baffle comprises a first baffle arranged on the upper side edge of the cover plate and a second baffle arranged on the frame, and the first baffle and the second baffle are arranged in a staggered mode.
And a rubber plate is arranged at the contact part of the end face of the box body and the sealing plate component.
The middle part of the upper side edge of the sealing plate component is provided with a hanging ring; the lifting ring comprises a first lifting ring arranged on the upper side edge of the cover plate and a second lifting ring arranged on the frame, and the centers of the first lifting ring and the second lifting ring are overlapped.
The sealing plate assembly also comprises a positioning assembly for positioning the cover plate and the frame, and the positioning assembly comprises a positioning ring arranged on the side edge of the cover plate and a positioning shaft arranged on the side edge of the frame; when the locating shaft is inserted in the locating ring, the cover plate is fixed with the frame at the corresponding position.
The cover plate is also provided with a pressure detection tube for detecting the pressure in the box body, and the pressure detection tube is provided with a manual ball valve and a pressure gauge.
The shrouding subassembly is two, is equipped with the endoscope device on at least one shrouding subassembly, only the apron facial make-up quick change coupler of a shrouding subassembly.
The air tightness test device is suitable for different types of box bodies; specifically, the front end face and the rear end face of the box body are plugged by the sealing plate assemblies, the box body is inflated, and whether air leakage occurs or not is judged by observing the numerical value change of the pressure gauge.
The utility model discloses to not unidimensional box, do rather than preceding, the back shrouding subassembly of looks adaptation, be applicable to the box of different grade type. The utility model has the advantages of simple structure, convenient product detection, simple use and high one-time acceptance rate of the product.
Drawings
FIG. 1 is a schematic structural view of a case;
FIG. 2 is a view showing the usage state of the present invention;
FIG. 3 is a schematic view of the construction of the closure plate assembly;
FIG. 4 is a schematic view of FIG. 3 rotated 90 counterclockwise;
FIG. 5 is a side view of FIG. 4;
FIG. 6 is a schematic structural view of a cover plate;
FIG. 7 is a side view of FIG. 6;
FIG. 8 is a schematic structural diagram of a bezel;
FIG. 9 is a right side view of FIG. 8;
fig. 10 is a left side view of fig. 8.
Detailed Description
In fig. 1 and 2, box body frames 16 are arranged on the outer rings of two ports of the box body A. One end of the box body A is provided with a sealing plate component B, and the other end of the box body A is provided with a sealing plate component C. A rubber plate is arranged at the contact position of the port A of the box body and the sealing plate component B/C to ensure the sealing property.
In fig. 3, 4 and 5, the endoscope device 7 is installed on the sealing plate component B and the sealing plate component C, the sealing plate component B or the sealing plate component C respectively comprises a cover plate 1 and a frame for compressing the cover plate 1, a circle of sealing strip 2 is installed on the periphery of the inner surface of the cover plate 1, a quick-change connector 8 communicated with the inner cavity of the box body is installed on the cover plate 1, and the quick-change connector 8 is connected with an inflation connector of the inflation device for inflation. And the sealing plate component B is provided with a quick-change connector 8 communicated with the inner cavity of the box body and a pressure detection pipe for detecting the pressure in the box body. Clamping member 13 cooperates with closure plate assembly B and closure plate assembly C for compressing the closure plate assembly against the port of the enclosure. The clamping pieces 13 are of three U-shaped structures, and each clamping piece 13 comprises a hook plate, a hook seat for fixing the hook plate and a connecting piece for connecting the hook plate and the hook seat. The inner end of the hook seat is connected to the frame, the connecting piece is arranged at the outer end of the hook seat, the hook head of the hook plate is hooked on the box body frame 16 at the port of the box body, and the hook tail of the hook plate corresponds to the outer end of the hook seat. The connecting piece being a bolt
In fig. 6 and 7, the cover plate 1 is welded together by a large flat plate in the middle and 4 thick plates on the periphery, and grooves are formed on the plates on the periphery for installing the sealing strips 2. The large flat plate in the middle of the cover plate 1 of the seal plate component B is provided with a hole, and the straight pipe is welded with the corresponding position of the hole and communicated with the inner cavity of the box body. The other end of the straight pipe 4 is provided with a manual ball valve 3, the other end of the manual ball valve 3 is connected with a pressure measuring hose 5, and the end part of the pressure measuring hose 5 is connected with a pressure gauge 6 which can be used for measuring after being connected. The inflation and the exhaust are controlled by manual ball valves.
Finally, the endoscope device 7 is mounted on the cover plate 1. The side edge of the cover plate 1 is provided with a first baffle plate 9. The large plate in the middle of the cover plate 1 of the closing plate assembly C is not provided with a hole, and sealing is kept.
In the figures 8, 9 and 10, the frame is arranged on the periphery of the outer surface of the cover plate, a circle of compression bolts 15 are arranged on the frame, and the end parts of the compression bolts 15 are abutted against the outer surface of the cover plate 1. The frame is formed by welding 4 rectangular beams together, the rectangular beam is provided with a threaded hole and is welded with a nut 14, a compression bolt 15 is arranged at the nut 14 and the threaded hole, the frame 2 is pressed on thick plates around the cover plate 1, and the compression bolt 15 is screwed to compress the sealing strip. And a second baffle 11 welded on the side edge of the frame.
When the box is used, a crane is used for hoisting a first hoisting ring 12 on the cover plate 1, the baffle plate 9 welded on the cover plate 1 is utilized, the cover plate 1 is lapped on the side surface of a box body frame 16, the sealing strip 2 is ensured to be close to the end surface of the box body frame, and the sealing property of the box body is ensured by the sealing strip 2; and then, hoisting a second hoisting ring of the frame by using the overhead crane, building the frame on the side surface of the frame 16 of the box body by using a second baffle plate 11 welded on the frame, positioning the positions of the frame and the box body, overlapping the frame and the periphery of the outer surface of the cover plate 1, and screwing the bolt on the clamping piece 13 to clamp the sealing plate component B/C and the frame 16 of the box body.
And then connecting the inflation connector with the quick-change connector 8, opening the manual ball valve, inflating the interior of the box body, closing the manual ball valve after inflation is finished, and keeping for 5min under the inflation pressure of 10 KPa. And the pressure gauge 6 is used for detecting whether the pressure value changes or not so as to detect the air tightness of the box body. If the pressure gauge 6 is not changed, the sealing is indicated, otherwise, the sealing is not indicated. The inside of the case can be observed by the endoscope apparatus 7.
Before detection, the front and rear sealing plate assemblies (namely the sealing plate assembly B and the sealing plate assembly C) are pressed by the clamping piece 13, the box body starts to be inflated, and two end faces are in a closed state, so that the sealing performance of the box body is kept. And (4) smearing soapy water on a welding bead of the welded box body, and detecting whether the whole welding of the box body is sealed or not when bubbles exist at an air leakage position.
Claims (10)
1. The utility model provides a box is detection device for gas tightness test which characterized in that: comprises a sealing plate component matched with the port of the box body and a clamping piece (13) used for pressing the sealing plate component to the port of the box body; the sealing plate assembly comprises a cover plate (1) and a frame used for compressing the cover plate (1), a circle of sealing strip (2) is installed on the periphery of the inner face of the cover plate (1), a quick-change connector (8) communicated with an inner cavity of a box body is installed on the cover plate (1), the periphery of the outer face of the cover plate is arranged on the frame, a circle of compression bolt (15) is installed on the frame, and the end portion of the compression bolt (15) is abutted to the outer face of the cover plate (1).
2. The detection device for the airtightness test of the box body according to claim 1, wherein: the clamping pieces (13) are more than two, and each clamping piece (13) comprises a hook plate, a hook seat used for fixing the hook plate and a connecting piece used for connecting the hook plate and the hook seat.
3. The detection device for the airtightness test of the box body according to claim 2, wherein: the inner end of the hook seat is connected to the frame, and the connecting piece is arranged at the outer end of the hook seat; the hook head of the hook plate is hooked on a box body frame (16) at the port of the box body, and the hook tail of the hook plate corresponds to the outer end of the hook seat.
4. The detection device for the airtightness test of the box body according to claim 1, wherein: the clamping piece (13) is arranged on the bottom side edge of the sealing plate component.
5. The detection device for the airtightness test of the box body according to claim 1, wherein: a baffle is arranged on the upper side edge of the sealing plate component and is opposite to the clamping piece (13); the baffle comprises a first baffle (9) arranged on the upper side edge of the cover plate (1) and a second baffle (11) arranged on the frame, and the first baffle (9) and the second baffle (11) are arranged in a staggered mode.
6. The detection device for the airtightness test of the box body according to claim 1, wherein: and a rubber plate is arranged at the contact position of the end face of the box body and the sealing plate component.
7. The detection device for the airtightness test of the box body according to claim 1, wherein: the middle part of the upper side edge of the sealing plate component is provided with a hanging ring; the lifting ring comprises a first lifting ring (12) arranged on the upper side edge of the cover plate (1) and a second lifting ring arranged on the frame, and the centers of the first lifting ring (12) and the second lifting ring are overlapped.
8. The detection device for the airtightness test of the box body according to claim 1, wherein: the sealing plate assembly further comprises a positioning assembly for positioning the cover plate (1) and the frame, and the positioning assembly comprises a positioning ring arranged on the side edge of the cover plate (1) and a positioning shaft arranged on the side edge of the frame; when the locating shaft is inserted in the locating ring, the cover plate (1) is fixed with the frame at the opposite position.
9. The detection device for the airtightness test of the box body according to claim 1, wherein: the cover plate (1) is also provided with a pressure detection tube for detecting the pressure in the box body, and the pressure detection tube is provided with a manual ball valve (3) and a pressure gauge (6).
10. The detection device for the airtightness test of the box body according to claim 1, wherein: the sealing plate component is two, an endoscope device (7) is arranged on at least one sealing plate component, and a quick-change connector (8) is arranged on a cover plate (1) of only one sealing plate component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123106612.3U CN216433444U (en) | 2021-12-13 | 2021-12-13 | Detection device for box air tightness test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123106612.3U CN216433444U (en) | 2021-12-13 | 2021-12-13 | Detection device for box air tightness test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216433444U true CN216433444U (en) | 2022-05-03 |
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ID=81317183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123106612.3U Active CN216433444U (en) | 2021-12-13 | 2021-12-13 | Detection device for box air tightness test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216433444U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115265961A (en) * | 2022-08-10 | 2022-11-01 | 湖南联诚轨道装备有限公司 | Traction converter box body sealing performance test tool and method |
-
2021
- 2021-12-13 CN CN202123106612.3U patent/CN216433444U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115265961A (en) * | 2022-08-10 | 2022-11-01 | 湖南联诚轨道装备有限公司 | Traction converter box body sealing performance test tool and method |
| CN115265961B (en) * | 2022-08-10 | 2025-04-22 | 湖南联诚轨道装备有限公司 | Traction converter box sealing performance test tool and method |
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