CN219121997U - Salt fog testing machine with spraying function - Google Patents
Salt fog testing machine with spraying function Download PDFInfo
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- CN219121997U CN219121997U CN202223458105.0U CN202223458105U CN219121997U CN 219121997 U CN219121997 U CN 219121997U CN 202223458105 U CN202223458105 U CN 202223458105U CN 219121997 U CN219121997 U CN 219121997U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model relates to the technical field of salt spray tests, and discloses a salt spray testing machine with spraying function. The utility model relates to a salt spray testing machine with spraying, which comprises: the device comprises a test box, a box cover, a storage component, a spraying mechanism and a controller, wherein the box cover is hinged to the test box, the storage component and the spraying mechanism are arranged in the test box and used for placing test workpieces, and the spraying mechanism comprises: case and atomizer are placed to brine, and spray mechanism includes: the water tank, spray hose, spray pump and shower head, the shower head sets up in the test box, is connected with the water tank through the spray hose, and the spray pump sets up on the spray hose. According to the salt spray testing machine with spraying, detection workpieces such as the brake disc are placed on the storage component, and the controller controls the atomizer or the spraying pump to start according to the preset program, so that the detection workpieces are in a salt spray state or a spraying state, corrosion resistance detection of the detection workpieces in different environment states is realized, the detection efficiency is improved, and the test cost is reduced.
Description
Technical Field
The embodiment of the utility model relates to the technical field of salt spray tests, in particular to a salt spray tester with spraying function.
Background
The brake disc is arranged on an automobile, the brake disc rotates along with the automobile when the automobile runs, and the brake caliper clamps the brake disc to generate braking force when braking so as to play a role in decelerating or stopping.
After the manufacturing of the workpieces such as the brake disc and the brake pad is completed, the workpieces are required to be subjected to tests such as salt spray resistance, corrosion resistance, rust resistance and the like, the performances such as the corrosion resistance, the rust resistance and the like of the workpieces such as the brake disc and the brake pad are detected, and the performance degradation of the brake disc and the brake disc caused by the strength and the like due to the rust is prevented, so that the braking effect is influenced, and the safety of an automobile in running is jeopardized.
The inventor of the application finds that a plurality of devices are needed to be adopted in the prior art, and corrosion resistance tests of workpieces are finished item by item, so that the test cost is increased, and the test efficiency is low.
Disclosure of Invention
The utility model aims to provide a salt spray testing machine with spraying function, which aims to solve the problems in the background technology.
The embodiment of the utility model provides a salt spray testing machine with spraying, which comprises: test box, case lid, put thing subassembly, spraying mechanism and controller:
the top end of the test box is opened;
the box cover is hinged to one side of the test box and is used for sealing an opening of the test box when the box cover is closed;
the object placing component is arranged in the test box and used for placing a test workpiece;
the spraying mechanism sets up in the test chamber includes: a brine holding tank and an atomizer;
the atomizer is connected with the brine placing box;
the spraying mechanism comprises: the device comprises a water tank, a spray hose, a spray pump and a spray header;
the water tank is arranged at the outer side of the test box, the spray header is arranged at one end of the spray hose and is positioned in the test box, the other end of the spray hose is connected with the water tank, and the spray pump is arranged on the spray hose;
the atomizer and the spray pump are respectively and electrically connected with the controller.
Based on the above scheme, the salt spray testing machine with spraying according to the utility model comprises a testing box, a box cover, a storage component, a spraying mechanism and a controller, wherein the storage component and the spraying mechanism are arranged in the testing box, and the spraying mechanism comprises: case and atomizer are placed to salt water, and the atomizer is placed the case with salt water and is connected, and spray mechanism includes: the water tank, spray hose, spray pump and shower head, the shower head sets up in the test box, is connected with the water tank through the spray hose, and the spray pump sets up on the spray hose. According to the salt spray testing machine with spraying, detection workpieces such as the brake disc are placed on the storage component, the controller controls the atomizer or the spraying pump to start according to the preset program, so that the detection workpieces are in a salt spray state or a spraying state, switching of the detection workpieces between salt spray and spraying is realized, corrosion resistance detection of the workpieces in different environment states is completed, detection efficiency is improved, and test cost is reduced.
In one possible implementation, the storage assembly includes: the device comprises a first fixed plate, a second fixed plate, a movable plate and a round rod;
the first fixing plate and the second fixing plate are respectively arranged on the inner wall of the test box, and the second fixing plate is positioned above the first fixing plate;
the first fixing plate is provided with a first clamping groove, and the second fixing plate is provided with a second clamping groove;
the movable plate is clamped in the first clamping groove and is used for placing a workpiece;
the round rod is clamped in the second clamping groove and used for propping against a workpiece.
In one possible scheme, the first clamping groove and the movable plate are both in a V shape;
the bottom of the movable plate is provided with a water passing hole.
In one possible implementation, the method further includes: a fog blocking assembly;
the fog blocking assembly comprises: the baffle, the fixed ring and the connecting rod;
the baffle is connected with the fixed ring through the connecting rod;
the fixed ring is arranged on the atomizer, and the baffle is positioned above the atomizer and used for dispersing salt mist.
In one possible implementation, the mist blocking assembly further includes: a locking bolt;
the fixing ring is provided with a threaded hole;
the locking bolt is meshed with the threaded hole, and the locking bolt is used for enabling the fixing ring to be fixed on the atomizer when the locking bolt is screwed.
In one possible implementation, the method further includes: a water collecting cup, a connecting hose and a measuring cup;
the water collecting cup is conical and is arranged in the test box;
the measuring cup is arranged on the outer wall of the test box and is connected with the water collecting cup through the connecting hose.
In one possible solution, the cover is triangular;
the inner wall of the box cover is provided with a plurality of hooks, and the hooks are used for hanging the spray hose.
In one possible embodiment, the side wall of the case cover is provided with a viewing window.
In one possible implementation, the spraying mechanism further includes: filtering the net cover;
the filter screen is arranged at the water inlet end of the spray hose;
and the water outlet end of the spray hose is provided with a plurality of spray heads.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic diagram of a salt spray testing machine with spray in an embodiment of the utility model;
FIG. 2 is an enlarged view of FIG. 1 at A in an embodiment of the utility model;
fig. 3 is a schematic view of a spray mechanism in an embodiment of the utility model.
Reference numerals in the drawings:
11. a test chamber; 12. a case cover; 121. a hook; 122. an observation window; 21. a first fixing plate; 211. a first clamping groove; 22. a second fixing plate; 221. a second clamping groove; 23. a movable plate; 231. a water passing hole; 24. a round bar; 31. an atomizer; 41. a spray hose; 42. a spray header; 43. a spray pump; 44. filtering the net cover; 5. a controller; 6. a fog blocking assembly; 61. a baffle; 62. a fixing ring; 63. a connecting rod; 64. a locking bolt; 71. a water collecting cup; 72. a connecting hose; 73. measuring cup.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; either directly, or indirectly, through intermediaries, may be in communication with each other, or may be in interaction with each other, unless explicitly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The technical scheme of the utility model is described in detail below by specific examples. The following embodiments may be combined with each other, and some embodiments may not be repeated for the same or similar concepts or processes.
As described in the background art of the application, after the manufacturing of the workpieces such as the brake disc and the brake pad is completed, the workpieces are required to be subjected to tests such as salt spray resistance, corrosion resistance and the like, the performances such as corrosion resistance and corrosion resistance of the workpieces such as the brake disc and the brake pad are detected, the performance degradation of the brake disc and the brake disc caused by corrosion in strength and the like is prevented, the braking effect is affected, and the safety of an automobile in running is jeopardized.
The inventor of the application finds that a plurality of devices are needed to be adopted in the prior art, corrosion resistance and rust resistance tests of workpieces are finished item by item, so that the test cost is increased, the test time is long, and the efficiency is low.
In order to solve the above problems, the present inventors propose a technical solution of the present application, and specific embodiments are as follows:
fig. 1 is a schematic diagram of a salt spray testing machine with spraying according to an embodiment of the present utility model, fig. 2 is an enlarged view of a portion a in fig. 1 according to an embodiment of the present utility model, and fig. 3 is a schematic diagram of a spraying mechanism according to an embodiment of the present utility model. As shown in fig. 1 to 3, the salt spray testing machine with spray according to the present embodiment includes: the test chamber 11, the chamber cover 12, the storage component, the spraying mechanism and the controller 5.
The top end of the test chamber 11 is open.
One side of the box cover 12 is rotatably hinged on the test box 11, a sealing water tank is arranged at the top end of the side wall of the test box 11, and the box cover 12 seals the opening of the test box 11 when being covered, so that the box body of the test box 11 is in a completely sealed state.
The object placing component is arranged in the box body of the test box 11, and the object placing component is arranged at the upper end of the test box 11. When the workpiece is detected, the workpiece is placed on the object placing component to perform tests such as salt fog, spraying and the like.
The spraying mechanism sets up in the box of test chamber 11, and the spraying mechanism includes: an atomizer 31 and a brine holding tank.
The case is placed to salt water (not shown in the figure) sets up on the bottom plate of test box 11, and the case is placed to salt water passes through connecting line and outside liquid feeding union coupling, and atomizer 31 sets up on the case is placed to salt water, and atomizer 31's spraying mouth is located the top of test box 11.
The spraying mechanism comprises: spray hose 41, spray header 42, spray pump 43 and water tank.
A water tank (not shown in the figure) is provided on one side outside the test chamber 11, a spray hose 41 is provided on a side wall of the test chamber 11 in a penetrating manner, a spray header 42 is provided at one end (water outlet end) of the spray hose 41, and the spray header 42 is provided in the test chamber 11, the other end of the spray hose 41 is placed in the water tank, and a spray pump 43 is provided on the spray hose 41.
The controller 5 is arranged on one side outside the test chamber 11, the atomizer 31 and the spray pump 43 are respectively and electrically connected with the controller, and the controller 5 controls the on-off of the atomizer 31 and the spray pump 43 according to a preset program.
In this embodiment, the workpiece to be tested is placed on the placement component of the test box, so that the spray header of the spray mechanism is located above the workpiece, and then the box cover is closed. Under the control of the controller, a sprayer of the spraying mechanism and a spraying pump of the spraying mechanism are started according to a preset program, so that the workpiece is in a salt fog state, or in a spraying state, or in a salt fog and spraying state, the switching of the workpiece between salt fog and spraying is realized, the salt fog test and the spraying test of the workpiece are completed, and the corrosion resistance and the rust resistance of the workpiece are conveniently tested.
Of course, a heating pipe, a temperature sensor and the like are arranged in the box body of the test box, and the heating pipe and the temperature sensor are respectively and electrically connected with the controller and used for controlling the temperature of the test box. The bottom of the test box is provided with a liquid collecting box which is communicated with the liquid outlet pipe, and the salt water and spray water for the test are discharged out of the test box through the liquid outlet pipe.
Through the above-mentioned content is difficult to discover, and salt fog testing machine that the area that this embodiment sprayed is through setting up test box, case lid, put thing subassembly, spraying mechanism and controller, puts thing subassembly and spraying mechanism setting in the test box, and spraying mechanism includes: case and atomizer are placed to salt water, and the atomizer is placed the case with salt water and is connected, and spray mechanism includes: the water tank, spray hose, spray pump and shower head, the shower head sets up in the test box, is connected with the water tank through the spray hose, and the spray pump sets up on the spray hose. According to the salt spray testing machine with spraying, detection workpieces such as a brake disc are placed on the storage component, the controller controls the atomizer or the spraying pump to start according to the preset program, so that the detection workpieces are in a salt spray state or a spraying state, switching of the detection workpieces between salt spray and spraying is achieved, corrosion resistance detection of the workpieces in different environment states is completed, detection efficiency is improved, and test cost is reduced.
Optionally, as shown in fig. 1 and fig. 2, the salt spray testing machine with spraying in this embodiment includes: a first fixed plate 21, a second fixed plate 22, a movable plate 23 and a round bar 24.
The first fixing plate 21 and the second fixing plate 22 are arranged on the inner wall of the test chamber 11, the second fixing plate 22 is positioned above the first fixing plate 21, and the first fixing plate 21 and the second fixing plate 22 are arranged on the two opposite inner walls of the test chamber 11.
A plurality of first clamping grooves 211 are formed in the first fixing plate 21 at intervals, and a plurality of second clamping grooves 221 are formed in the second fixing plate 22 at intervals.
Both ends of the movable plate 23 are detachably clamped in the first clamping grooves 211 of the first fixed plate 21 respectively.
Both ends of the round bar 24 are detachably clamped in the second clamping grooves 221 of the second fixing plate 22.
In this embodiment, the bottom of work pieces such as brake disc, brake block is shelved on first fixed plate, with the work piece slope back, and the upper end of work piece leans on the round bar, makes unsettled setting of work piece in the test box, and the work piece can fully contact with salt fog, shower water when experimental, guarantees experimental effect.
Further, in the salt spray testing machine with spraying in this embodiment, the first clamping groove 211 of the first fixing plate 21 is V-shaped.
The longitudinal section of the movable plate 23 is also V-shaped, and a plurality of water passing holes 231 are formed in the bottom of the V-shaped movable plate 23.
The movable plate 23 is clamped in the V-shaped first clamping groove 211 of the first fixed plate 21, and the bottom end of the workpiece is clamped in the V-shaped groove of the movable plate 23, so that the workpiece can be placed conveniently.
Optionally, the salt spray testing machine with spraying in this embodiment further includes: and a fog blocking assembly 6.
The mist blocking assembly 6 includes: a baffle 61, a fixing ring 62 and a connecting rod 63.
The baffle 61 is connected to a fixed ring 62 by two connecting rods 63.
The stationary ring 62 is provided on the atomizer 31, and the baffle 61 is located directly above the spray opening of the atomizer 31.
In this embodiment, the baffle is located directly over the spraying mouth of atomizer, and from spraying mouth spun salt fog, blocked the back by the baffle and distribute all around for the salt fog in the test box is more even, reduces the different sides of work piece and contacts the concentration difference of salt fog, guarantees test effect.
Further, in the salt spray testing machine with spraying in this embodiment, the mist blocking assembly 6 further includes: locking bolt 64.
Threaded holes are provided on both sides of the fixing ring 62.
The locking bolt 64 is meshed with the threaded hole of the fixing ring 62, and the locking bolt 64 abuts against the atomizer 31 when being screwed, so that the fixing ring 62 is fixed on the atomizer 31, and the fixing of the fixing ring 62 on the atomizer 31 is facilitated.
Optionally, the salt spray testing machine with spraying in this embodiment further includes: a water collection cup 71, a connection hose 72 and a measuring cup 73.
The water collection cup 71 is conical and is disposed in the box body of the test box 11.
The measuring cup 73 is provided on the outer wall of the test chamber 11, and the measuring cup 73 is lower than the water outlet of the water collecting cup 71 in the up-down direction. The connecting hose 72 is arranged on the side wall of the test chamber 11 in a penetrating way, one end of the connecting hose 72 is connected with the water outlet of the water collecting cup 71, and the other end of the connecting hose 72 extends into the measuring cup 73 and is connected with the port of the measuring cup 73 in a sealing way.
In this embodiment, when carrying out salt spray test to the work piece, the salt spray flows into the graduated flask after the lateral wall of water collecting cup condenses, can judge the salt spray concentration in the test chamber through the ponding volume in the graduated flask to prevent equipment trouble.
Alternatively, in the salt spray testing machine with spraying in this embodiment, the longitudinal section of the box cover 12 is triangular.
A plurality of hooks 121 are provided on the inclined inner wall of the case cover 12, and the hooks 121 may be attached to the case cover 12 by means of gluing. The spray hose 41 is hung on the hook 121 of the box cover 12, so that the spray hose 41 and the spray header 42 are conveniently arranged in the test box 11, and the position of the spray header 42 is also conveniently adjusted to adapt to the spraying of workpieces with different specifications.
Further, in the salt spray testing machine with spraying in this embodiment, a transparent observation window 122 is provided on the inclined side wall of the box cover 12 to observe the working state in the test box 11 in real time.
Further, as shown in fig. 3, in the salt spray testing machine with spraying in this embodiment, the spraying mechanism further includes: a filter screen 44.
The filter screen 44 is disposed at the end of the water inlet end of the spray hose 41 to prevent foreign matters in the water tank from entering the spray pump 43 to damage the spray pump 43.
The water outlet end of the spray hose 41 is provided with a plurality of spray heads 42, and the spray heads 42 are arranged at intervals, so that a plurality of workpieces can be sprayed at the same time, and the spray hose is convenient to use.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be a direct contact between the first feature and the second feature, or an indirect contact between the first feature and the second feature through an intervening medium.
Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is at a lower level than the second feature.
In the description of the present specification, reference to the description of the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (9)
1. The utility model provides a salt fog test machine that area sprayed which characterized in that includes: test box, case lid, put thing subassembly, spraying mechanism and controller:
the top end of the test box is opened;
the box cover is hinged to one side of the test box and is used for sealing an opening of the test box when the box cover is closed;
the object placing component is arranged in the test box and used for placing a test workpiece;
the spraying mechanism sets up in the test chamber includes: a brine holding tank and an atomizer;
the atomizer is connected with the brine placing box;
the spraying mechanism comprises: the device comprises a water tank, a spray hose, a spray pump and a spray header;
the water tank is arranged at the outer side of the test box, the spray header is arranged at one end of the spray hose and is positioned in the test box, the other end of the spray hose is connected with the water tank, and the spray pump is arranged on the spray hose;
the atomizer and the spray pump are respectively and electrically connected with the controller.
2. The sprayed salt spray testing machine of claim 1, wherein the storage assembly comprises: the device comprises a first fixed plate, a second fixed plate, a movable plate and a round rod;
the first fixing plate and the second fixing plate are respectively arranged on the inner wall of the test box, and the second fixing plate is positioned above the first fixing plate;
the first fixing plate is provided with a first clamping groove, and the second fixing plate is provided with a second clamping groove;
the movable plate is clamped in the first clamping groove and is used for placing a workpiece;
the round rod is clamped in the second clamping groove and used for propping against a workpiece.
3. The salt spray testing machine with spraying according to claim 2, wherein the first clamping groove and the movable plate are both V-shaped;
the bottom of the movable plate is provided with a water passing hole.
4. The sprayed salt spray testing machine of claim 1, further comprising: a fog blocking assembly;
the fog blocking assembly comprises: the baffle, the fixed ring and the connecting rod;
the baffle is connected with the fixed ring through the connecting rod;
the fixed ring is arranged on the atomizer, and the baffle is positioned above the atomizer and used for dispersing salt mist.
5. The sprayed salt spray testing machine of claim 4, wherein the mist blocking assembly further comprises: a locking bolt;
the fixing ring is provided with a threaded hole;
the locking bolt is meshed with the threaded hole, and the locking bolt is used for enabling the fixing ring to be fixed on the atomizer when the locking bolt is screwed.
6. The sprayed salt spray testing machine of claim 1, further comprising: a water collecting cup, a connecting hose and a measuring cup;
the water collecting cup is conical and is arranged in the test box;
the measuring cup is arranged on the outer wall of the test box and is connected with the water collecting cup through the connecting hose.
7. The sprayed salt spray testing machine of claim 1, wherein the tank cover is triangular;
the inner wall of the box cover is provided with a plurality of hooks, and the hooks are used for hanging the spray hose.
8. The sprayed salt spray testing machine of claim 7, wherein the side wall of the box cover is provided with an observation window.
9. The sprayed salt spray testing machine of claim 1, wherein the spray mechanism further comprises: filtering the net cover;
the filter screen is arranged at the water inlet end of the spray hose;
and the water outlet end of the spray hose is provided with a plurality of spray heads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223458105.0U CN219121997U (en) | 2022-12-23 | 2022-12-23 | Salt fog testing machine with spraying function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223458105.0U CN219121997U (en) | 2022-12-23 | 2022-12-23 | Salt fog testing machine with spraying function |
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| Publication Number | Publication Date |
|---|---|
| CN219121997U true CN219121997U (en) | 2023-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223458105.0U Active CN219121997U (en) | 2022-12-23 | 2022-12-23 | Salt fog testing machine with spraying function |
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| CN (1) | CN219121997U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117491270A (en) * | 2023-12-27 | 2024-02-02 | 深圳市华捷智胜精密五金机械有限公司 | Hardware part performance detection equipment and technology |
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2022
- 2022-12-23 CN CN202223458105.0U patent/CN219121997U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117491270A (en) * | 2023-12-27 | 2024-02-02 | 深圳市华捷智胜精密五金机械有限公司 | Hardware part performance detection equipment and technology |
| CN117491270B (en) * | 2023-12-27 | 2024-04-02 | 深圳市华捷智胜精密五金机械有限公司 | Hardware part performance detection equipment and technology |
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