CN112881517A - Alloy shell sealing performance testing device - Google Patents
Alloy shell sealing performance testing device Download PDFInfo
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- CN112881517A CN112881517A CN202110048968.1A CN202110048968A CN112881517A CN 112881517 A CN112881517 A CN 112881517A CN 202110048968 A CN202110048968 A CN 202110048968A CN 112881517 A CN112881517 A CN 112881517A
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- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 62
- 239000000956 alloy Substances 0.000 title claims abstract description 62
- 238000012360 testing method Methods 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 title claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000001914 filtration Methods 0.000 claims abstract description 15
- 238000003756 stirring Methods 0.000 claims description 22
- 239000003638 chemical reducing agent Substances 0.000 claims description 16
- 238000002156 mixing Methods 0.000 claims description 14
- 230000001502 supplementing effect Effects 0.000 claims description 8
- 239000006247 magnetic powder Substances 0.000 abstract description 27
- 239000003350 kerosene Substances 0.000 description 26
- 239000007788 liquid Substances 0.000 description 25
- 238000004140 cleaning Methods 0.000 description 24
- 239000012535 impurity Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 239000011259 mixed solution Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910001325 element alloy Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 150000002843 nonmetals Chemical class 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910002058 ternary alloy Inorganic materials 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/83—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields
- G01N27/84—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields by applying magnetic powder or magnetic ink
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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- Chemical & Material Sciences (AREA)
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses an alloy shell tightness testing device, which comprises a box body, a baffle, a placing plate, a feeding module, a circulating pipe, a water pump and a filtering assembly, wherein the baffle is fixedly connected with the box body and is positioned between a first cavity and a second cavity, the placing plate is fixedly connected with the box body and is positioned on the inner side wall of the box body, the feeding module is fixedly connected with the box body and is positioned on the inner side wall of the box body, the water inlet end of the water pump is communicated with the box body and is positioned on the outer side wall of the box body, one end of the circulating pipe is communicated with the feeding module, the other end of the circulating pipe is fixedly connected with the water outlet end of the water pump, the filtering assembly is detachably connected with the box body and is positioned at the joint of the box body and the circulating pipe, when the magnetic powder is used for testing the tightness of the alloy shell, prevent the magnetic powder from being adsorbed in the tiny cracks and holes on the surface of the alloy shell to influence the product quality.
Description
Technical Field
The invention relates to the technical field of performance test equipment, in particular to a device for testing the sealing performance of an alloy shell.
Background
An alloy is a substance with metallic characteristics, which is synthesized by two or more metals and metals or nonmetals through a certain method. Typically by melting to a homogeneous liquid and solidifying. According to the number of constituent elements, binary alloys, ternary alloys, and multi-element alloys can be classified.
At present, when the sealing performance of a shell made of alloy is detected, magnetic powder is often used for detection, but due to the fact that the process technology is not perfect, micro cracks and holes still exist on the surface of the alloy shell, and when the magnetic powder is used for detecting the sealing performance of the alloy shell, the magnetic powder can be adsorbed in the micro cracks and holes on the surface of the alloy shell, and the product quality is affected.
Disclosure of Invention
The invention aims to provide a device for testing the sealing performance of an alloy shell, and aims to solve the technical problem that when magnetic powder is used for testing the sealing performance of the alloy shell in the prior art, the magnetic powder is adsorbed in tiny cracks and holes on the surface of the alloy shell to influence the product quality.
In order to achieve the purpose, the invention adopts a device for testing the sealing performance of an alloy shell, which comprises a box body, a baffle plate, a placing plate, a feeding module, a circulating pipe, a water pump and a filtering component, the box body is provided with a first cavity and a second cavity, the baffle is fixedly connected with the box body, and is positioned between the first cavity and the second cavity, the placing plate is fixedly connected with the box body, and is positioned on the inner side wall of the box body, the feeding module is fixedly connected with the box body and is positioned on the inner side wall of the box body, the water inlet end of the water pump is communicated with the box body, and is positioned on the outer side wall of the box body, one end of the circulating pipe is communicated with the feeding module, the other end of the circulating pipe is fixedly connected with the water outlet end of the water pump, the filtering component is detachably connected with the box body and is positioned at the joint of the box body and the circulating pipe.
The feeding module comprises a placing box, a supplementing pipe, an even component, a circulating pipe and a valve, wherein the placing box is fixedly connected with the box and is positioned on the inner side wall of the box, one end, far away from the water pump, of the circulating pipe penetrates through the outer side wall of the placing box, one end of the supplementing pipe is communicated with the placing box and is positioned above the placing box, the even component is fixedly connected with the placing box, the circulating pipe is communicated with the placing box and is positioned below the placing box, and the valve penetrates through the outer side wall of the circulating pipe and is positioned below the placing box.
The feeding module further comprises an anti-overflow plug, and the anti-overflow plug is detachably connected with the supplementing pipe and embedded in the supplementing pipe.
Wherein, it includes first rotation motor, first speed reducer, (mixing) shaft and stirring piece to mix even subassembly, first rotation motor with place case fixed connection, and be located place the lateral wall of case, just first rotation motor's output runs through place the lateral wall of case, first speed reducer with the output fixed connection of first rotation motor, and be located place the inside of case, the one end of (mixing) shaft with first speed reducer fixed connection, and be located place the inside of case, the quantity of stirring piece is a plurality of, every the stirring piece respectively with (mixing) shaft fixed connection, and all be located the lateral wall of (mixing) shaft.
The filter assembly comprises a limiting support, a pull rod and a filter screen, a sliding groove is formed in the box body, one end of the pull rod is fixedly connected with the limiting support, the pull rod is connected with the box body in a sliding mode and located in the sliding groove, the pull rod is matched with the sliding groove, and the filter screen is fixedly connected with the limiting support.
The alloy shell tightness testing device further comprises an observation plate, a groove is formed in the placing box, and the observation plate is fixedly connected with the placing groove and is located in the groove.
The invention has the beneficial effects that: respectively adding aviation kerosene and transformer oil into the feeding module through a technician, adding magnetic powder into the second cavity, uniformly stirring the aviation kerosene and the transformer oil in the feeding module, allowing a mixed solution of the aviation kerosene and the transformer oil to flow into the first cavity after the aviation kerosene and the transformer oil are uniformly mixed, placing an alloy shell to be tested into the first cavity by the technician, filling fine cracks and holes on the surface of the alloy shell with the mixed solution, taking out the alloy shell entering the first cavity by the technician, waiting for air drying, placing the alloy shell into the second cavity again, and detecting the tightness of the alloy shell by using the magnetic powder; the mixed liquid of the aviation kerosene and the transformer oil after use has impurities adhered to the alloy shell, and the reuse of the mixed liquid can cause more impurities to be adhered to the next batch of alloy shells to be tested, and at the moment, technicians are required to control the water pump, the water pump sucks the mixed liquid of the aviation kerosene and the transformer oil in the first cavity to work, so that the mixed liquid of the aviation kerosene and the transformer oil flows into the feeding module through the circulating pipe, impurities in the mixed liquor are blocked by the filtering component during the process of flowing the mixed liquor into the feeding module, and is adhered on the filtering component, after the mixed liquid in the first cavity is cleaned, a technician takes out the filtering component, when the tightness of the alloy shell is tested by using magnetic powder, prevent the magnetic powder from being adsorbed in the tiny cracks and holes on the surface of the alloy shell to influence the product quality.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an alloy housing tightness testing device of the present invention.
Fig. 2 is a plan view of the alloy housing sealability testing apparatus of the present invention.
Figure 3 is a schematic diagram of the construction of the loading module of the present invention.
100-alloy shell body sealing performance testing device, 1-box body, 2-baffle plate, 3-placing plate, 4-feeding module, 5-circulating pipe, 6-water pump, 7-filtering component, 8-observing plate, 9-placing box, 10-supplementing pipe, 11-mixing component, 12-circulating pipe, 13-valve, 14-overflow-preventing plug, 15-first rotating motor, 16-first speed reducer, 17-stirring shaft, 18-stirring block, 19-limiting bracket, 20-pull rod, 21-filter screen, 22-first cavity, 23-second cavity, 24-chute, 25-groove, 26-connecting plate, 27-connecting rod, 28-rotating component, 29-cleaning brush, 30-self-cleaning plate, 31-a second rotating motor, 32-a second speed reducer.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 3, the present invention provides an alloy housing tightness testing device 100, including a box 1, a baffle 2, a placing plate 3, a feeding module 4, a circulating pipe 5, a water pump 6 and a filtering component 7, wherein the box 1 has a first cavity 22 and a second cavity 23, the baffle 2 is fixedly connected with the box 1 and is located between the first cavity 22 and the second cavity 23, the placing plate 3 is fixedly connected with the box 1 and is located on an inner side wall of the box 1, the feeding module 4 is fixedly connected with the box 1 and is located on an inner side wall of the box 1, a water inlet end of the water pump 6 is communicated with the box 1 and is located on an outer side wall of the box 1, one end of the circulating pipe 5 is communicated with the feeding module 4, the other end of the circulating pipe 5 is fixedly connected with a water outlet end of the water pump 6, the filtering component 7 is detachably connected with the box body 1 and is positioned at the joint of the box body 1 and the circulating pipe 5.
In this embodiment, a technician adds aviation kerosene and transformer oil to the charging module 4, respectively, adds magnetic powder to the second cavity 23, and uniformly stirs the aviation kerosene and the transformer oil in the charging module 4, and after the aviation kerosene and the transformer oil are uniformly mixed, the technician makes a mixed solution of the aviation kerosene and the transformer oil flow into the first cavity 22, and at this time, the technician can place an alloy shell to be tested in the first cavity 22, so that the mixed solution fills up fine cracks and holes on the surface of the alloy shell, and the technician takes out the alloy shell entering the first cavity 22, waits for airing, places the alloy shell in the second cavity 23, and detects the sealing property of the alloy shell by using the magnetic powder; the mixed liquid of aviation kerosene and transformer oil after using has the impurity of adhesion on the alloy housing, and reuse can lead to the more impurity of adhesion on the alloy housing of next batch examination of awaiting measuring, needs the technical staff control this moment water pump 6, water pump 6 is right the mixed liquid of aviation kerosene and transformer oil in the first cavity 22 inhales a class work to let the mixed liquid of aviation kerosene and transformer oil pass through circulating pipe 5 flows in reinforced module 4, at mixed liquid flow in reinforced module 4 in-process, impurity in the mixed liquid by filter assembly 7 blocks, and the adhesion is in on filter assembly 7, treat after the mixed liquid in the first cavity 22 is clean, the technical staff takes out filter assembly 7, when having realized using magnetic powder inspection alloy housing leakproofness, prevent that the magnetic powder can adsorb the tiny crack on alloy housing surface, In the hole, the product quality is influenced.
Further, the feeding module 4 comprises a placing box 9, a supplementing pipe 10, a mixing component 11, a circulating pipe 12 and a valve 13, the placing box 9 is fixedly connected with the box 1 and is positioned on the inner side wall of the box 1, one end of the circulating pipe 5, which is far away from the water pump 6, penetrates through the outer side wall of the placing box 9, one end of the supplementing pipe 10 is communicated with the placing box 9 and is positioned above the placing box 9, the mixing component 11 is fixedly connected with the placing box 9, the circulating pipe 12 is communicated with the placing box 9 and is positioned below the placing box 9, and the valve 13 penetrates through the outer side wall of the circulating pipe 12 and is positioned below the placing box 9.
In this embodiment, the technical staff pass through replenish pipe 10, to place and add aviation kerosene and transformer oil in the case 9, and control with even subassembly 11 operation, stir aviation kerosene and transformer oil with even subassembly 11, when aviation kerosene and transformer oil with even back, the technical staff control valve 13 is opened, and the mixed liquid of aviation kerosene and transformer oil passes through flow tube 12 flows into in the first cavity 22, and the technical staff can place the alloy casing that awaits measuring this moment in the first cavity 22 for mixed liquid fills up tiny crackle, the hole on alloy casing surface.
Further, the loading module 4 further comprises a spill-proof plug 14, wherein the spill-proof plug 14 is detachably connected with the replenishing pipe 10 and is embedded in the replenishing pipe 10.
In this embodiment, the anti-overflow stopper 14 can avoid when the even subassembly 11 is stirring the mixed liquid of aviation kerosene and transformer oil, the mixed liquid passes through the opening on the supplementary pipe 10 overflows, leads to the ground of work area to have the oil stain, causes the technical staff to walk the time foot and skids.
Further, the mixing component 11 includes a first rotating motor 15, a first speed reducer 16, a stirring shaft 17 and stirring blocks 18, the first rotating motor 15 is fixedly connected to the placing box 9 and is located on the outer side wall of the placing box 9, the output end of the first rotating motor 15 penetrates through the outer side wall of the placing box 9, the first speed reducer 16 is fixedly connected to the output end of the first rotating motor 15 and is located inside the placing box 9, one end of the stirring shaft 17 is fixedly connected to the first speed reducer 16 and is located inside the placing box 9, the number of the stirring blocks 18 is multiple, and each stirring block 18 is fixedly connected to the stirring shaft 17 and is located on the outer side wall of the stirring shaft 17.
In this embodiment, the technical staff is in place case 9 and add aviation kerosene and transformer oil, control first rotating motor 15 operates, first rotating motor 15 with first speed reducer 16 cooperation drives (mixing) shaft 17 rotates to the feasible a plurality of fixing the lateral wall of (mixing) shaft 17 stirring and even the mixed liquid of aviation kerosene and transformer oil is stirred to stirring piece 18.
Further, the filtering component 7 comprises a limiting support 19, a pull rod 20 and a filtering net 21, a sliding groove 24 is formed in the box body 1, one end of the pull rod 20 is fixedly connected with the limiting support 19, the pull rod 20 is slidably connected with the box body 1 and is located in the sliding groove 24, the pull rod 20 is matched with the sliding groove 24, and the filtering net 21 is fixedly connected with the limiting support 19.
In this embodiment, the mixed liquid of aviation kerosene and transformer oil after use has impurities adhered to the alloy shell, and the mixed liquid of aviation kerosene and transformer oil after use has more impurities adhered to the next batch of alloy shell to be tested, at this time, a technician is required to control the water pump 6, the water pump 6 performs suction flow operation on the mixed liquid of aviation kerosene and transformer oil in the first cavity 22, so that the mixed liquid of aviation kerosene and transformer oil flows into the placing box 9 through the circulating pipe 5, in the process that the mixed liquid flows into the feeding module 4, the impurities in the mixed liquid are blocked by the filter screen 21 and adhered to the filter screen 21, after the mixed liquid in the first cavity 22 is completely flowed, the technician holds the pull rod 20, slides the pull rod 20 out of the sliding groove 24, and takes out the limit bracket 19 and the filter screen 21, and is positioned on the filter screen 21 for cleaning.
Further, the alloy housing tightness testing device 100 further comprises an observation plate 8, a groove 25 is formed in the placing box 9, and the observation plate 8 is fixedly connected with the placing groove and is located in the groove 25.
In this embodiment, observation board 8 is transparent material, and the technical staff accessible observation board 8 is right place the condition in the case 9 and observe, in time supply the stirring condition of mixed liquid or looking over aviation kerosene and transformer oil.
Further, the alloy shell tightness testing device 100 further comprises a connecting plate 26, a connecting rod 27, a rotating assembly 28, a cleaning brush 29 and a self-cleaning plate 30, wherein the connecting plate 26 is fixedly connected with the baffle 2 and is positioned above the box body 1, one end of the connecting rod 27 is fixedly connected with the connecting plate 26 and is positioned inside the second cavity 23, the other end of the connecting rod 27 is fixedly connected with the rotating assembly 28, the cleaning brush 29 is fixedly connected with the rotating assembly 28 and is positioned inside the second cavity 23, and the self-cleaning plate 30 is fixedly connected with the baffle 2 and is attached to the outer side wall of the cleaning brush 29.
In this embodiment, magnetic powder is added in the second cavity 23, the connecting plate 26 is fixed above the box 1 and connected to the connecting rod 27, when a technician takes out the alloy shell entering the first cavity 22, waits for drying, and places the alloy shell in the second cavity 23, the tightness of the alloy shell is detected by using the magnetic powder, because the magnetic powder adhered to the surface of the alloy shell taken out from the magnetic powder is present, the technician controls the rotating assembly 28 to operate, the rotating assembly 28 drives the cleaning brush 29 to rotate clockwise, the technician brings the alloy shell close to the cleaning brush 29, the cleaning brush 29 cleans the magnetic powder on the alloy shell, the alloy shell does not have magnetic powder, and the influence on the product quality is ensured; in the process that the cleaning brush 29 rotates clockwise, the cleaning brush always contacts with the self-cleaning plate 30, the self-cleaning plate 30 can block magnetic powder on the cleaning brush 29, so that the magnetic powder on the cleaning brush 29 directly drops to the bottom of the second cavity 23 when contacting with the self-cleaning plate 30, and the cleaning effect of the magnetic powder on the alloy shell is reduced due to the fact that a large amount of magnetic powder is arranged in the cleaning brush 29.
Further, the rotating assembly 28 includes a second rotating motor 31 and a second speed reducer 32, the second rotating motor 31 is fixedly connected to the connecting rod 27 and is located on the outer side wall of the connecting rod 27, the second speed reducer 32 is fixedly connected to the output end of the second rotating motor 31, and one end of the cleaning brush 29 is fixedly connected to the second speed reducer 32.
In this embodiment, the technician controls the second rotating motor 31 to operate, the second rotating motor 31 is matched with the second speed reducer 32 to drive the cleaning brush 29 to rotate clockwise, the technician closes the alloy shell to the cleaning brush 29, the cleaning brush 29 cleans magnetic powder on the alloy shell, the alloy shell does not have magnetic powder, and the influence on the product quality is guaranteed.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. A device for testing the sealing performance of an alloy shell is characterized in that,
including box, baffle, place board, reinforced module, circulating pipe, water pump and filtering component, the box has first cavity and second cavity, the baffle with box fixed connection, and be located first cavity with between the second cavity, place the board with box fixed connection, and be located the inside wall of box, reinforced module with box fixed connection, and be located the inside wall of box, the end of intaking of water pump with the box intercommunication, and be located the lateral wall of box, the one end intercommunication of circulating pipe reinforced module, the other end of circulating pipe with the play water end fixed connection of water pump, filtering component with the connection can be dismantled to the box, and be located the box with the junction of circulating pipe.
2. The alloy housing seal tightness test device according to claim 1,
the feeding module comprises a placing box, a supplementing pipe, an even component, a circulating pipe and a valve, wherein the placing box is fixedly connected with the box and is positioned on the inner side wall of the box, one end of the circulating pipe, which is far away from the water pump, penetrates through the outer side wall of the placing box, one end of the supplementing pipe is communicated with the placing box and is positioned above the placing box, the even component is fixedly connected with the placing box, the circulating pipe is communicated with the placing box and is positioned below the placing box, and the valve penetrates through the outer side wall of the circulating pipe and is positioned below the placing box.
3. The alloy housing seal tightness test device according to claim 2,
the feeding module further comprises an anti-overflow plug, and the anti-overflow plug is detachably connected with the replenishing pipe and embedded in the replenishing pipe.
4. The alloy housing seal tightness test device according to claim 3,
the even subassembly of with includes first rotation motor, first speed reducer, (mixing) shaft and stirring piece, first rotation motor with place case fixed connection, and be located place the lateral wall of case, just the output of first rotation motor runs through place the lateral wall of case, first speed reducer with the output fixed connection of first rotation motor, and be located place the inside of case, the one end of (mixing) shaft with first speed reducer fixed connection, and be located place the inside of case, the quantity of stirring piece is a plurality of, every the stirring piece respectively with (mixing) shaft fixed connection, and all be located the lateral wall of (mixing) shaft.
5. The alloy housing seal tightness test device according to claim 1,
the filter assembly comprises a limiting support, a pull rod and a filter screen, a sliding groove is formed in the box body, one end of the pull rod is fixedly connected with the limiting support, the pull rod is connected with the box body in a sliding mode and located in the sliding groove, the pull rod is matched with the sliding groove, and the filter screen is fixedly connected with the limiting support.
6. The alloy housing seal tightness test device according to claim 2,
the alloy shell tightness testing device further comprises an observation plate, a groove is formed in the placing box, and the observation plate is fixedly connected with the placing groove and is located in the groove.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110048968.1A CN112881517A (en) | 2021-01-14 | 2021-01-14 | Alloy shell sealing performance testing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110048968.1A CN112881517A (en) | 2021-01-14 | 2021-01-14 | Alloy shell sealing performance testing device |
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