CN115430633A - Automatic cleaning and collecting method for residual materials in similar material simulation test - Google Patents
Automatic cleaning and collecting method for residual materials in similar material simulation test Download PDFInfo
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- CN115430633A CN115430633A CN202211091747.3A CN202211091747A CN115430633A CN 115430633 A CN115430633 A CN 115430633A CN 202211091747 A CN202211091747 A CN 202211091747A CN 115430633 A CN115430633 A CN 115430633A
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- drill bit
- residual materials
- lifting
- impact hammer
- collecting
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- 239000000463 material Substances 0.000 title claims abstract description 97
- 238000012360 testing method Methods 0.000 title claims abstract description 50
- 238000004140 cleaning Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000004088 simulation Methods 0.000 title claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000013519 translation Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 2
- 238000005065 mining Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 3
- 230000010405 clearance mechanism Effects 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000011435 rock Substances 0.000 description 5
- 239000003245 coal Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012067 mathematical method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
- B02C21/02—Transportable disintegrating plant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses an automatic cleaning and collecting method for residual materials in a similar material simulation test, and relates to the technical field of mining engineering. Its automatic clearance and collection device includes the box, hoist mechanism, clearance and collection mechanism, and clearance mechanism is located the box, including broken drill bit, jump bit and propelling movement scraper blade, is provided with the traction guide rail on the top surface in the box, is provided with the tractor on traction guide rail, and the tractor is connected with the link, and broken drill bit, jump bit and propelling movement scraper blade are connected respectively to the link, are provided with the lifting device in the bottom in the box, and broken drill bit, jump bit and propelling movement scraper blade keep balance through the lifting device. According to the automatic cleaning and collecting device, residual materials with high strength can be simply and efficiently cleaned, so that the effects of saving manpower and material resources are achieved.
Description
Technical Field
The invention relates to the technical field of mining engineering, in particular to the technical field of similar material simulation, and particularly relates to an automatic cleaning and collecting method for residual materials in a similar material simulation test.
Background
The simulation test of similar materials is a scientific and effective research means for solving the problems of material science, mine engineering technology, civil construction and underground engineering, and is a main research method in the directions of mineral pressure observation, water damage prevention and control and the like in mining engineering at present. Because the problems faced in mining engineering are increasingly complex and mathematical methods are difficult to obtain accurate answers, a large number of experiments are required to explore the scientific laws that exist in the field of mining engineering.
The two-dimensional similar material loading simulation test is a research method for researching the surrounding rock movement rule after coal seam mining by manufacturing a geological model similar to a field according to the field rock stratum column shape and the coal (rock) body mechanical property and according to a similar material theory and a similar criterion. And (3) carrying out uninterrupted observation on the overburden movement condition and the supporting pressure distribution condition caused by mining in the model mining process to obtain the actual measurement result of the test. And calculating or reversely deducing the surrounding rock motion rule and the supporting pressure distribution condition during on-site mining under the condition by using a similar criterion so as to provide a theoretical basis for the safe mining of on-site coal resources.
In original two-dimentional similar material analogue test system, the rock stratum after experimental completion is as residual material, because of its long-time solidification, sunning, has higher intensity, especially when adopting reinforcement materials such as cement as experimental materials, its intensity is higher, at present about the clearance of residual material among the similar material analogue test, be the manpower and go on, and because the high strength that itself exists, very easily cause the damage of experimental facilities in the clearance process to manual operation wastes time and energy.
Disclosure of Invention
The invention aims to provide an automatic cleaning and collecting method for residual materials in a similar material simulation test, which can simply and efficiently clean the residual materials with higher strength through an automatic cleaning and collecting device, thereby achieving the effect of saving manpower and material resources.
In order to achieve the purpose, the invention adopts the following technical scheme:
an automatic cleaning and collecting method for residual materials in a similar material simulation test sequentially comprises the following steps:
a. required automatic cleaning and collecting device for installation
The automatic cleaning and collecting device comprises a box body, a lifting mechanism, a cleaning mechanism and a collecting mechanism;
the box body is positioned on the test bed and can move up and down along the test bed under the action of the lifting mechanism;
the cleaning mechanism is positioned in the box body and comprises a breaking drill bit, an impact hammer and a pushing scraper, a traction guide rail is arranged on the top surface in the box body, a tractor is arranged on the traction guide rail and connected with a connecting frame, the connecting frame is respectively connected with the breaking drill bit, the impact hammer or/and the pushing scraper, a lifting device is arranged at the bottom in the box body, and the breaking drill bit, the impact hammer and the pushing scraper are kept balanced through the lifting device;
the connecting frame can be controlled to be connected with the breaking drill bit, the impact hammer and/or the pushing scraper by controlling the translation of the connecting frame;
the collecting mechanism comprises a material sliding plate and a conveyor belt, an opening is formed in the side wall of the box body, the material sliding plate is arranged at the opening, and the conveyor belt is arranged below the material sliding plate;
b. the box body is lifted to a proper height through a lifting mechanism and then locked to move up and down;
c. the connecting frame is connected with the crushing drill bit, and a tractor pulls the crushing drill bit to move through the connecting frame so as to crush the residual materials;
d. after the crushing step in the step c is finished, the crushing drill bit is pulled to the original position through a tractor;
e. the connecting frame is connected with the impact hammer, the tractor is controlled to move repeatedly and quickly, and the residual materials are hammered by the impact hammer to be further crushed; after the materials are crushed to a certain degree, the impact hammer is drawn to the original position through a tractor;
f. the connecting frame is simultaneously connected with the crushing drill bit, the impact hammer and the pushing scraper, the crushing drill bit, the impact hammer and the pushing scraper are jointly pushed through the tractor and the connecting frame, and the residual materials are pushed to the material sliding plate;
g. collecting, and allowing the residual materials to fall onto a conveying belt through a material sliding plate, and conveying the residual materials to one end of the conveying belt for automatic bagging.
As a preferable aspect of the present invention, the lifting mechanism includes two lifting winches, two lifting steel cables, and two diverting pulleys, the two lifting winches are located at two ends of the top plate of the test bed, the two diverting pulleys are respectively located at two side portions of the test bed which are opposite to each other, one end of each lifting steel cable is connected to the box body, and the other end is connected to the corresponding lifting winch through the diverting pulley.
In another preferred embodiment of the present invention, the left and right columns of the test bed are provided with a lifting guide rail, the box body is provided with a guide pulley which is engaged with the lifting guide rail, and the guide pulley moves on the lifting guide rail.
Furthermore, the test bed is of a frame structure and comprises a bottom plate, a left upright post, a right upright post and a top plate respectively; the box body can move up and down along the upright post.
Furthermore, the connecting frame comprises a sliding rod and a connecting part, the top end of the sliding rod is connected to the tractor, and the connecting part is located at the bottom end of the sliding rod.
Furthermore, the connecting portion include first connecting portion, second connecting portion and third connecting portion, first connecting portion and second connecting portion structure are the same, are the base and set up open-ended quadrangle structure, the third connecting portion be L type structure, broken drill bit, jump bit's top card respectively establish in the opening that quadrangle structure corresponds, the top of propelling movement scraper blade be provided with the trompil, pass through between propelling movement scraper blade and the third connecting portion horizontal portion of L type structure insert the trompil in connect.
Further, the two sides of the two openings are respectively a first rod body and a second rod body, the tops of the crushing drill bit and the impact hammer are respectively provided with a round hole arranged along the horizontal direction, and when the crushing drill bit is connected with the first connecting part or the impact hammer is connected with the second connecting part, a part of the first rod body and a part of the second rod body are inserted into the corresponding round holes to be fixed.
Compared with the prior art, the invention has the following beneficial technical effects:
(1) The operation is simple; the efficient disassembly and collection of residual materials can be realized only by controlling the connecting frame and the tractor.
(2) The labor is saved; can accomplish automatic clearance and the collection to remaining material through one-man operation, need not with the help of other instruments, use manpower and materials sparingly.
(3) The application range is wide; the whole set of automatic cleaning and collecting device can adapt to a two-dimensional similar material test platform with the existing size by increasing the length of the equipment.
In conclusion, the automatic cleaning and collecting method for the residual materials in the similar material simulation test, provided by the invention, can realize automatic disassembly of the high-strength residual materials after the test is finished, has the advantages of simple structure, reasonable design and wide application range, fully saves manpower and material resources, and enables the test to be more reasonable and efficient.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a front view of the automatic cleaning and collection device of the present invention;
FIG. 2 is a side view of the automatic cleaning and collection device of the present invention;
FIG. 3 is a top view of the automatic cleaning and collection device of the present invention;
FIG. 4 is a schematic view of the interior of the case of the present invention;
FIG. 5 is a schematic view of the connection of the connecting frame of the present invention with a breaking bit, a percussion hammer and a pushing blade;
in the figure:
1. the device comprises a box body, 2, a lifting winch, 3, a lifting steel cable, 4, a steering pulley, 5, a lifting guide rail, 6, a guide pulley, 7, a material sliding plate, 8, a conveyor belt, 9, a traction guide rail, 10, a tractor, 11, a connecting frame, 12, a crushing drill bit, 13, an impact hammer, 14, a pushing scraper, 15 and a lifter.
Detailed Description
The invention provides an automatic cleaning and collecting method for residual materials in a similar material simulation test, and in order to make the advantages and technical scheme of the invention clearer and clearer, the invention is described in detail below by combining specific embodiments.
The automatic cleaning and collecting method is particularly suitable for cleaning residual materials in a two-dimensional analog simulation test.
The test bed has a structure similar to that of a conventional test bed, is of a frame structure and comprises a bottom plate, left and right stand columns connected to two sides of the bottom plate and a top plate positioned at the tops of the left and right stand columns, and the test bed is mainly used for adjusting the position of a box body and providing support for other components.
Referring to fig. 1 to 5, the automatic cleaning and collecting device for the method for automatically cleaning and collecting the residual materials in the similar material simulation test of the present invention includes a box body 1, a lifting mechanism, a cleaning mechanism and a collecting mechanism.
The whole box body 1 is preferably of a rectangular parallelepiped structure and is fixed on a test bed, specifically, on left and right stand columns on two sides of the test bed.
The hoist mechanism, its main function is the position of adjusting the box, promptly: make the box carry out upper and lower removal along the stand of the left and right sides on the test bench, consequently, hoist mechanism mainly includes two lifting winch 2, two lifting steel cable 3 and two diverting pulley 4, and two lifting winch 2 are located the both ends of the roof of test bench, and two diverting pulley 4 are located two lateral parts that the test bench is the opposite side respectively, and the one end of every lifting steel cable is connected on the box, and the other end passes through diverting pulley to be connected on corresponding lifting winch. With this arrangement, the tank 1 can be adjusted in position by sliding the hoisting winch 2, the hoisting cable 3 and the diverting pulley 4 up and down.
In order to ensure that the box body 1 cannot rotate to separate from the test bed, lifting guide rails 5 are further arranged on the left and right upright posts on two sides of the test bed, guide pulleys 6 matched with the lifting guide rails 5 are arranged on the side wall close to the inner side of the box body, and the guide pulleys 6 move on the lifting guide rails 5.
The cleaning mechanism is located in the box and comprises a breaking drill bit 12, an impact hammer 13 and a pushing scraper 14, a traction guide rail 9 is arranged on the top surface in the box, a tractor 10 is arranged on the traction guide rail and connected with a connecting frame 11, the connecting frame is respectively connected with the breaking drill bit, the impact hammer and the pushing scraper, the tractor controls the breaking drill bit, the impact hammer and the pushing scraper to advance and retreat through the connecting frame, a lifter 15 is arranged at the bottom in the box, and the breaking drill bit, the impact hammer and the pushing scraper are kept balanced through the lifter.
The supporting body is preferably an iron column, the bottom of the supporting body is fixed on a bottom plate in the box body, the top end of the iron column is connected with the lifting body to support the iron column, the main function of the lifting body is to support and keep balance of the crushing drill bit, the impact hammer and the pushing scraper, and therefore the whole structure of the lifting body is preferably an annular body.
The retractor and the connecting frame are fixed in angle, so that the connecting frame only moves transversely along the retractor under the condition of not changing the angle.
The traction guide rail and the tractor are matched together in a gear connection mode.
The connecting frame can be controlled to be connected with the breaking drill bit, the impact hammer and/or the pushing scraper by controlling the translation of the connecting frame; as shown in fig. 4 and 5, the connecting frame includes a sliding rod having a top end connected to the retractor and a connecting portion at a bottom end of the sliding rod. When the tractor slides, the slide bar can be along with horizontal slip together, and connecting portion include first connecting portion, second connecting portion and third connecting portion, and wherein, first connecting portion are used for being connected with broken drill bit, and the second connecting portion are used for being connected with the jump bit, and the third connecting portion are used for being connected with the propelling movement scraper blade, first connecting portion and second connecting portion structure are the same, are the base and have seted up open-ended quadrangle structure, third connecting portion be L type structure, broken drill bit, jump bit's top card respectively establish in the opening that quadrangle structure corresponds, such design is convenient for install, can correspond broken drill bit and jump bit and install first connecting portion and second connecting portion fast, the top of propelling movement scraper blade is provided with the trompil, passes through between propelling movement scraper blade and the third connecting portion horizontal portion of L type structure insert the trompil internal connection.
More preferably, the two sides of the two openings are respectively a first rod body and a second rod body, the tops of the crushing drill bit and the impact hammer are respectively provided with a round hole along the horizontal direction, and when the crushing drill bit is connected with the first connecting part or the impact hammer is connected with the second connecting part, a part of the first rod body and a part of the second rod body are inserted into the corresponding round holes to be fixed. The stability of the impact hammer and the crushing drill bit can be enhanced by inserting the first rod body and the second rod body into the round hole along the horizontal direction.
The independent work or the synchronous work of the three of the breaking drill bit, the impact hammer and the pushing scraper can be controlled by controlling the translation of the connecting frame.
That is, the independent work or the synchronous work of the three of the breaking drill bit, the impact hammer and the pushing scraper can be controlled by controlling the translation of the connecting frame.
After carrying out automatic cleaning to the residual material through clearance mechanism, carry out automatic collection to it through collecting the mechanism, it is specific, collect the mechanism and include material slide 7 and conveyer belt 8, be provided with the opening at the lateral wall of box, the opening part sets up the material slide, and the below of material slide sets up the conveyer belt, and the material after the clearance falls into the conveyer belt after the material slide from the opening part.
The following description will be made of the specific steps of an automatic cleaning and collecting method for residual materials in a similar material simulation test according to the present invention.
Firstly, lifting a box body 1 to a proper height through a lifting winch 2, and then locking the box body to move up and down;
secondly, connecting the connecting frame with a crushing drill bit, and dragging the crushing drill bit 12 to move by a tractor 10 through the connecting frame 11 so as to crush the residual materials;
thirdly, after full crushing, the crushing drill bit 12 is pulled to the original position through the tractor 10;
fourthly, connecting the connecting frame with an impact hammer, controlling the tractor to repeatedly and rapidly move, and hammering the residual materials by the impact hammer to further break the residual materials; after the materials are crushed to a certain degree, the impact hammer is drawn to the original position through a tractor;
fifthly, after the materials are crushed to a certain degree, the impact hammer is dragged to the original position through a tractor 10;
sixthly, the connecting frame is connected with the impact hammer, the crushing drill bit and the pushing scraper, the crushing drill bit 12, the impact hammer 13 and the pushing scraper 14 are pushed together through the tractor 10 and the connecting frame 11, and the residual materials are pushed to the material sliding plate 7;
and seventhly, the residual materials fall on the conveyor belt 8 through the material sliding plate 7 and are conveyed to one end through the conveyor belt 8 to be automatically bagged.
In summary, the automatic cleaning and collecting method for the residual materials in the similar material simulation test can automatically and efficiently clean the residual materials, and saves manpower and material resources.
The parts which are not described in the invention can be realized by taking the prior art as reference.
It is intended that any equivalents, or obvious variations, which may be made by those skilled in the art in light of the teachings herein, be considered within the scope of the present invention.
Claims (7)
1. An automatic cleaning and collecting method for residual materials in a similar material simulation test is characterized by sequentially comprising the following steps of:
a. required automatic cleaning and collecting device for installation
The automatic cleaning and collecting device comprises a box body, a lifting mechanism, a cleaning mechanism and a collecting mechanism;
the box body is positioned on the test bed and can move up and down along the test bed under the action of the lifting mechanism;
the cleaning mechanism is positioned in the box body and comprises a breaking drill bit, an impact hammer and a pushing scraper, a traction guide rail is arranged on the top surface in the box body, a tractor is arranged on the traction guide rail and connected with a connecting frame, the connecting frame is respectively connected with the breaking drill bit, the impact hammer or/and the pushing scraper, a lifting device is arranged at the bottom in the box body, and the breaking drill bit, the impact hammer and the pushing scraper are kept balanced through the lifting device;
the connecting frame can be controlled to be connected with the breaking drill bit, the impact hammer and/or the pushing scraper by controlling the translation of the connecting frame;
the collecting mechanism comprises a material sliding plate and a conveyor belt, an opening is formed in the side wall of the box body, the material sliding plate is arranged at the opening, and the conveyor belt is arranged below the material sliding plate;
b. the box body is lifted to a proper height through a lifting mechanism and then locked to move up and down;
c. the connecting frame is connected with the crushing drill bit, and the tractor pulls the crushing drill bit to move through the connecting frame so as to crush the residual materials;
d. c, after the crushing step in the step c is finished, the crushing drill bit is pulled to the original position through a tractor;
e. the connecting frame is connected with the impact hammer, the tractor is controlled to move repeatedly and quickly, and the residual materials are hammered by the impact hammer to be further crushed; after the crushing is carried out to a certain degree, the impact hammer is drawn to the original position through a tractor;
f. the connecting frame is simultaneously connected with the crushing drill bit, the impact hammer and the pushing scraper, the crushing drill bit, the impact hammer and the pushing scraper are jointly pushed through the tractor and the connecting frame, and the residual materials are pushed to the material sliding plate;
g. collecting, the residual materials fall onto the conveying belt through the material sliding plate, and the conveying belt conveys the residual materials to one end for automatic bagging.
2. The method for automatically cleaning and collecting residual materials in a similar material simulation test as claimed in claim 1, wherein: the lifting mechanism comprises two lifting winches, two lifting steel cables and two steering pulleys, the two lifting winches are located at two ends of a top plate of the test bed, the two steering pulleys are respectively located on two side portions of the test bed, which are opposite sides, one end of each lifting steel cable is connected to the box body, and the other end of each lifting steel cable is connected to the corresponding lifting winch through the steering pulley.
3. The method for automatically cleaning and collecting residual materials in a similar material simulation test according to claim 1, wherein the method comprises the following steps: the test bed is characterized in that lifting guide rails are arranged on the left and right upright posts of the test bed, guide pulleys matched with the lifting guide rails are arranged on the box body, and the guide pulleys move on the lifting guide rails.
4. The method for automatically cleaning and collecting residual materials in a similar material simulation test according to claim 1, wherein the method comprises the following steps: the test bed is of a frame structure and comprises a bottom plate, a left upright post, a right upright post and a top plate respectively; the box body can move up and down along the upright post.
5. The method for automatically cleaning and collecting residual materials in a similar material simulation test as claimed in claim 1, wherein: the connecting frame comprises a sliding rod and a connecting part, the top end of the sliding rod is connected to the tractor, and the connecting part is located at the bottom end of the sliding rod.
6. The method for automatically cleaning and collecting residual materials in a similar material simulation test according to claim 5, wherein the method comprises the following steps: the connecting portion include first connecting portion, second connecting portion and third connecting portion, first connecting portion and second connecting portion structure are the same, are the base and have seted up open-ended quadrangle structure, third connecting portion be L type structure, broken drill bit, jump bit's top card respectively establish in the opening that quadrangle structure corresponds, the top of propelling movement scraper blade be provided with the trompil, pass through between propelling movement scraper blade and the third connecting portion the horizontal portion of L type structure insert the trompil internal connection.
7. The method for automatically cleaning and collecting residual materials in a similar material simulation test according to claim 6, wherein the method comprises the following steps: the two sides of the two openings are respectively a first rod body and a second rod body, the tops of the crushing drill bit and the impact hammer are respectively provided with a round hole arranged along the horizontal direction, and when the crushing drill bit is connected with the first connecting part or the impact hammer is connected with the second connecting part, a part of the first rod body and a part of the second rod body are inserted into the corresponding round holes to be fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211091747.3A CN115430633A (en) | 2022-09-07 | 2022-09-07 | Automatic cleaning and collecting method for residual materials in similar material simulation test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211091747.3A CN115430633A (en) | 2022-09-07 | 2022-09-07 | Automatic cleaning and collecting method for residual materials in similar material simulation test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115430633A true CN115430633A (en) | 2022-12-06 |
Family
ID=84246890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211091747.3A Withdrawn CN115430633A (en) | 2022-09-07 | 2022-09-07 | Automatic cleaning and collecting method for residual materials in similar material simulation test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115430633A (en) |
-
2022
- 2022-09-07 CN CN202211091747.3A patent/CN115430633A/en not_active Withdrawn
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Application publication date: 20221206 |