CN112009573B - Method for leveling inner decorative bottom plate of cab - Google Patents
Method for leveling inner decorative bottom plate of cab Download PDFInfo
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- CN112009573B CN112009573B CN202010890065.3A CN202010890065A CN112009573B CN 112009573 B CN112009573 B CN 112009573B CN 202010890065 A CN202010890065 A CN 202010890065A CN 112009573 B CN112009573 B CN 112009573B
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- cab
- bottom plate
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- silica gel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a method for leveling an interior bottom plate of a cab, which comprises the following steps: 1) adjusting the state of a cab or the whole vehicle to be in a horizontal position; 2) sealing the holes and gaps on the cab bottom plate and enclosing the cab bottom plate to form one or more closed rings; 3) stirring the bi-component liquid silica gel uniformly for later use; 4) pouring evenly stirred bi-component liquid silica gel into the cab bottom plate: 5) standing until the two-component liquid silica gel is solidified. The method for leveling the cab interior bottom plate has the advantages of simple process, easy molding of various irregular and complex bottom plates, and good adaptability and assembly.
Description
Technical Field
The invention belongs to the technical field of automobiles, and particularly relates to a method for leveling an interior bottom plate of a cab.
Background
On the basis of a traditional fuel vehicle cab, a new flat-bottom-plate cab is formed by reforming, leveling and re-welding, so that when a new generation of electric vehicle cab is researched and developed, the step of leveling an interior decorative bottom plate of the cab according to a common method is achieved: firstly, preparing materials such as iron sheets, wood plates, rubber pads and the like; then, cutting the cab interior decorative bottom plate according to the size and the shape of the cab interior decorative bottom plate; finally, they are fixed to the cab floor body by welding or riveting or adhesive.
When the existing cab is used for modeling and modifying design, the design is influenced by the original vehicle cab, the research and development cost and the research and development period, the design cannot be realized by developing a set of brand-new die, and only the design is realized by means of the existing cab white body, but the effect of leveling the cab interior decorative bottom plate is not ideal due to the fact that a plurality of reinforcing ribs and concave-convex structures exist in the sheet metal part in the existing cab white body, and the trial-manufacturing effect of the product is influenced. In addition, the preparation process and assembly process are also cumbersome when assembling other materials. Further, these materials are somewhat insufficient in corrosion resistance, shock absorption, hardness, resilience and the like.
When the model development research of the cab of the commercial vehicle is carried out, particularly the research development of the concept display vehicle, the number of the development vehicles is only one or two, and the development period is only one year or several months; therefore, the cab components cannot be realized by all molds, and the realization of a completely new cab model through modification based on the original components is still the main means of the automobile company. On the basis of meeting the functional requirements, the pursuit of the optimal modeling effect and the user experience are the ultimate targets of the concept exhibition vehicle. However, leveling the cab floor by conventional materials and manual methods often has several drawbacks:
(1) the traditional method for leveling the cab bottom plate by using traditional materials (iron sheet, wood plate and rubber pad) has poor adaptability and assembly property with the irregular complex bottom plate;
(2) the traditional material only has a certain specific physical property and has poor comprehensive properties (hardness, high and low temperature resistance, electric insulation, aging resistance, corrosion resistance, shock absorption and weather resistance);
(3) the processing procedures are various, and the leveling effect and the user experience are not ideal.
Disclosure of Invention
The invention aims to solve the defects of the background technology and provides a method for leveling an interior bottom plate of a cab.
In order to achieve the purpose, the invention adopts the technical scheme that: a method for leveling an interior floor of a cab, comprising the steps of:
1) adjusting the state of a cab or the whole vehicle to be in a horizontal position;
2) sealing the holes and gaps on the cab bottom plate and enclosing the cab bottom plate to form one or more closed rings;
3) stirring the bi-component liquid silica gel uniformly for later use;
4) pouring evenly stirred bi-component liquid silica gel into the cab bottom plate:
5) standing until the two-component liquid silica gel is solidified.
In the above technical solution, in the step 1), the specific method for adjusting the cab or the entire vehicle is: the level meter is placed in the middle of the bottom plate of the cab, and the position of the cab or the whole vehicle is adjusted to be in a horizontal state by using the jack.
In the technical scheme, in the step 2), holes and gaps on a bottom plate of the cab are sealed by adopting plasticine; the cab floor is enclosed with plasticine to form one or more closed loops.
In the above technical scheme, in the step 2), the setting height of the plasticine is higher than the most protruding part on the bottom plate of the cab.
In the above technical scheme, in the step 3), the bi-component liquid silica gel is formed by mixing a component A and a component B; the component A comprises the following components in percentage by mass: 32-42% of dimethyl siloxane, 34-38% of silicon dioxide powder and 24-30% of polydimethylsiloxane; the component B comprises the following components in percentage by mass: 25-35% of methyl hydrogen-containing silicone oil and 65-75% of vinyl-terminated dimethyl.
In a preferred embodiment, in the step 3), the two-component liquid silica gel is prepared by mixing the component A and the component B according to the mass ratio of 1: 1; the component A comprises the following components in percentage by mass: 37% of dimethyl siloxane, 36% of silicon dioxide powder and 27% of polydimethylsiloxane; the component B comprises the following components in percentage by mass: 30% of methyl hydrogen-containing silicone oil and 70% of vinyl-terminated dimethyl.
In the technical scheme, in the step 3), 3-6 drops of vinyl silicone oil are added in the stirring process of the two-component liquid silica gel.
In the above technical scheme, in the step 4), the coating height of the two-component liquid silicone rubber is flush with the most protruded part on the cab bottom plate.
In the technical scheme, in the step 5), the curing temperature of the bi-component liquid silica gel is 25-35 ℃, and the curing time is 8-12 h.
Compared with the prior art, the method has the following beneficial effects:
firstly, the method for leveling the inner decorative bottom plate of the cab has the advantages that the level meter is placed in the middle of the bottom plate of the cab, the state of the cab or the whole vehicle is adjusted by the jack, the bottom plate of the cab can be ensured to be in the horizontal position, and the leveling effect is good.
Secondly, the method for leveling the cab interior bottom plate adopts the plasticine to seal the holes and the gaps on the cab bottom plate and surround the bottom plate to form one or more closed rings, so that the irregular and complex bottom plate can be leveled, and the adaptability and the assembly are good.
Thirdly, the method for leveling the inner decorative bottom plate of the cab has simple working procedures, is easy to form various irregular and complex bottom plates, and has good adaptability and assembly.
Fourthly, the physical and mechanical properties of the liquid silica gel, such as flowability, tear resistance and the like, are improved by adding the vinyl silicone oil.
Detailed Description
The present invention will be described in further detail with reference to specific examples to facilitate the clear understanding of the invention, but the present invention is not limited thereto.
Example 1:
KS12 pure electric cab interior flat panel leveling method comprises the following steps:
1) adjusting the state of a cab or the whole vehicle to enable the cab or the whole vehicle to be in a horizontal position: the level meter is placed in the middle of a cab bottom plate, and the position of a cab or the whole vehicle is adjusted to be in a horizontal state by using a jack; the preparation is made for the subsequent pouring of liquid silica gel.
2) The holes and gaps on the cab floor are sealed and the floor is enclosed to form one or more closed rings. All holes or gaps on the bottom plate are plugged by plasticine, and the cab bottom plate is also enclosed by the plasticine to form a closed loop. The height of the plasticine should preferably be higher than the most protruding ribs or projections.
3) Preparing and stirring two-component liquid silica gel: estimation is performed according to the area of the cab floor, according to the following formula 1:1, respectively taking A, B two components by using a clean container, wherein the proportion is calculated according to the mass part of A, B two components. The weight is based on the electronic weighing result. The bi-component liquid silica gel is formed by mixing a component A and a component B, wherein the component A comprises the following components in percentage by mass: 37% of dimethyl siloxane, 36% of silicon dioxide powder and 27% of polydimethylsiloxane; the component B comprises the following components in percentage by mass: 30% of methyl hydrogen-containing silicone oil and 70% of vinyl-terminated dimethyl. A. The two components B are poured into a container and then are stirred uniformly by a stirring rod (stirrer). When the color is relatively uniform, it indicates that the mixture has been stirred uniformly. In order to increase the fluidity of the liquid silicone rubber, 3-6 drops of vinyl silicone oil are added to improve the physical and mechanical properties such as fluidity, tear resistance and the like.
4) Pouring liquid silica gel which is uniformly stirred into the cab bottom plate: and pouring the uniformly stirred liquid silica gel onto a cab bottom plate which is prepared in the earlier stage and is in a horizontal state until the liquid silica gel can just cover the most protruded part on the bottom plate. The uneven bottom plate of the cab is leveled through the natural flowing of liquid. The liquid silica gel is cured at 30 deg.C for 10 hr, and preferably left for 24 hr before other operations for optimum effect. Any other decoration can be carried out on the cured molded silica gel, such as grooving and routing; and finally, paving the molded silica gel floor mat to bring comfortable and high-grade user experience.
Example 2:
the method for leveling the cab interior flat bottom plate comprises the following steps:
1) adjusting the state of a cab or the whole vehicle to enable the cab or the whole vehicle to be in a horizontal position: the level meter is placed in the middle of a cab bottom plate, and the position of a cab or the whole vehicle is adjusted to be in a horizontal state by using a jack; the preparation is made for the subsequent pouring of liquid silica gel.
2) The holes and gaps on the cab floor are sealed and the floor is enclosed to form one or more closed rings. All holes or gaps on the bottom plate are plugged by plasticine, and the cab bottom plate is also enclosed by the plasticine to form a closed loop. The height of the plasticine should preferably be higher than the most protruding ribs or projections.
3) Preparing and stirring two-component liquid silica gel: estimation is performed according to the area of the cab floor, according to the following formula 1:1, respectively taking A, B two components by using a clean container, wherein the proportion is calculated according to the mass part of A, B two components. The bi-component liquid silica gel is formed by mixing a component A and a component B, wherein the component A comprises the following components in percentage by mass: 32% of dimethyl siloxane, 38% of silicon dioxide powder and 30% of polydimethylsiloxane; the component B comprises the following components in percentage by mass: 25% of methyl hydrogen-containing silicone oil and 75% of vinyl-terminated dimethyl. A. The two components B are poured into a container and then are stirred uniformly by a stirring rod (stirrer). When the color is relatively uniform, it indicates that the mixture has been stirred uniformly. In order to increase the fluidity of the liquid silicone rubber, 3-6 drops of vinyl silicone oil are added to improve the physical and mechanical properties such as fluidity, tear resistance and the like.
4) Pouring liquid silica gel which is uniformly stirred into the cab bottom plate: and pouring the uniformly stirred liquid silica gel onto a cab bottom plate which is prepared in the earlier stage and is in a horizontal state until the liquid silica gel can just cover the most protruded part on the bottom plate. The uneven bottom plate of the cab is leveled through the natural flowing of liquid. The liquid silica gel is cured at 25 deg.C for 8 hr, and preferably left for 24 hr before other operations for optimum effect. Any other decoration can be carried out on the cured molded silica gel, such as grooving and routing; and finally, paving the molded silica gel floor mat to bring comfortable and high-grade user experience.
Example 3:
the method for leveling the cab interior flat bottom plate comprises the following steps:
1) adjusting the state of a cab or the whole vehicle to enable the cab or the whole vehicle to be in a horizontal position:
the level meter is placed in the middle of a cab bottom plate, and the position of a cab or the whole vehicle is adjusted to be in a horizontal state by using a jack; the preparation is made for the subsequent pouring of liquid silica gel.
2) The holes and gaps on the cab floor are sealed and the floor is enclosed to form one or more closed rings. All holes or gaps on the bottom plate are plugged by plasticine, and the cab bottom plate is also enclosed by the plasticine to form a closed loop. The height of the plasticine should preferably be higher than the most protruding ribs or projections.
3) Preparing and stirring two-component liquid silica gel: estimation is performed according to the area of the cab floor, according to the following formula 1:1, respectively taking A, B two components by using a clean container, wherein the proportion is calculated according to the mass part of A, B two components. The weight is based on the electronic weighing result. The bi-component liquid silica gel is formed by mixing a component A and a component B, wherein the component A comprises the following components in percentage by mass: 42% of dimethyl siloxane, 34% of silicon dioxide powder and 24% of polydimethylsiloxane; the component B comprises the following components in percentage by mass: 35% of methyl hydrogen-containing silicone oil and 65% of vinyl-terminated dimethyl. A. The two components B are poured into a container and then are stirred uniformly by a stirring rod (stirrer). When the color is relatively uniform, it indicates that the mixture has been stirred uniformly. In order to increase the fluidity of the liquid silicone rubber, 3-6 drops of vinyl silicone oil are added to improve the physical and mechanical properties such as fluidity, tear resistance and the like.
4) Pouring liquid silica gel which is uniformly stirred into the cab bottom plate: and pouring the uniformly stirred liquid silica gel onto a cab bottom plate which is prepared in the earlier stage and is in a horizontal state until the liquid silica gel can just cover the most protruded part on the bottom plate. The uneven bottom plate of the cab is leveled through the natural flowing of liquid. The temperature for curing the liquid silica gel is 35 ℃, the curing time is 12 hours, and in order to achieve the best effect, other operations are preferably carried out after the liquid silica gel is placed for 24 hours. Any other decoration can be carried out on the cured molded silica gel, such as grooving and routing; and finally, paving the molded silica gel floor mat to bring comfortable and high-grade user experience.
The above description is only for the specific embodiments of the present invention, and it should be noted that the remaining detailed descriptions are related to the prior art, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.
Claims (8)
1. A method for leveling an interior bottom plate of a cab is characterized in that: the method comprises the following steps:
1) adjusting the state of a cab or the whole vehicle to be in a horizontal position;
2) sealing the holes and gaps on the cab bottom plate and enclosing the cab bottom plate to form one or more closed rings;
3) stirring the bi-component liquid silica gel uniformly for later use;
4) pouring evenly stirred bi-component liquid silica gel into the cab bottom plate:
5) standing until the bi-component liquid silica gel is solidified;
the double-component liquid silica gel is formed by mixing a component A and a component B; the component A comprises the following components in percentage by mass: 32-42% of dimethyl siloxane, 34-38% of silicon dioxide powder and 24-30% of polydimethylsiloxane; the component B comprises the following components in percentage by mass: 25-35% of methyl hydrogen-containing silicone oil and 65-75% of vinyl-terminated dimethyl.
2. The method of leveling an interior floor of a cab of claim 1, wherein: in the step 1), the specific method for adjusting the cab or the whole vehicle is as follows: the level meter is placed in the middle of the bottom plate of the cab, and the position of the cab or the whole vehicle is adjusted to be in a horizontal state by using the jack.
3. The method of leveling an interior floor of a cab of claim 1, wherein: in the step 2), holes and gaps on the bottom plate of the cab are sealed by using plasticine; the cab floor is enclosed with plasticine to form one or more closed loops.
4. The method of leveling an interior floor of a cab of claim 3, wherein: in the step 2), the setting height of the plasticine is higher than the most protruding part on the bottom plate of the cab.
5. The method of leveling an interior floor of a cab of claim 1, wherein: in the step 3), the bi-component liquid silica gel is formed by mixing the component A and the component B according to the mass ratio of 1: 1; the component A comprises the following components in percentage by mass: 37% of dimethyl siloxane, 36% of silicon dioxide powder and 27% of polydimethylsiloxane; the component B comprises the following components in percentage by mass: 30% of methyl hydrogen-containing silicone oil and 70% of vinyl-terminated dimethyl.
6. The method of leveling an interior floor of a cab of claim 1, wherein: and in the step 3), 3-6 drops of vinyl silicone oil are added in the stirring process of the two-component liquid silica gel.
7. The method of leveling an interior floor of a cab of claim 1, wherein: in the step 4), the coating height of the two-component liquid silicone rubber is flush with the most protruded part on the bottom plate of the cab.
8. The method of leveling an interior floor of a cab of claim 1, wherein: in the step 5), the curing temperature of the bi-component liquid silica gel is 25-35 ℃, and the curing time is 8-12 h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010890065.3A CN112009573B (en) | 2020-08-28 | 2020-08-28 | Method for leveling inner decorative bottom plate of cab |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010890065.3A CN112009573B (en) | 2020-08-28 | 2020-08-28 | Method for leveling inner decorative bottom plate of cab |
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| CN112009573A CN112009573A (en) | 2020-12-01 |
| CN112009573B true CN112009573B (en) | 2021-12-17 |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19927005C1 (en) * | 1999-06-09 | 2001-01-25 | Daimler Chrysler Ag | Method and device for positioning and leveling supports for floor construction and for other built-in parts in vehicles, in particular rail vehicles for the transportation of people |
| CN101457581A (en) * | 2008-12-25 | 2009-06-17 | 中国建筑第八工程局有限公司 | Construction method for auto-flowing floor |
| CN203318535U (en) * | 2013-07-01 | 2013-12-04 | 山东奥特姆新能源汽车制造有限公司 | Electric vehicle floor |
| CN204383606U (en) * | 2015-01-14 | 2015-06-10 | 北京现代汽车有限公司 | A kind of middle floor panel structure of electronic minibus |
| CN106699098A (en) * | 2016-11-17 | 2017-05-24 | 义乌市奥杰地坪有限公司 | Silica gel self-leveling cement and preparation method thereof |
| CN106916455A (en) * | 2017-03-12 | 2017-07-04 | 汕头市科源有机硅材料有限公司 | The formula and preparation method of a kind of new high tear organic silicon rubber of mould |
| CN107901992B (en) * | 2017-11-14 | 2021-04-09 | 江西昌河汽车有限责任公司 | Electric automobile floor assembly, battery and electric automobile |
| CN110395944B (en) * | 2019-08-23 | 2022-05-17 | 广东中南建设有限公司 | Construction method of self-leveling epoxy daub surface layer |
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2020
- 2020-08-28 CN CN202010890065.3A patent/CN112009573B/en active Active
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