CN108591184A - A kind of oil tank frame convenient for fuel tank dismounting - Google Patents
A kind of oil tank frame convenient for fuel tank dismounting Download PDFInfo
- Publication number
- CN108591184A CN108591184A CN201810345364.1A CN201810345364A CN108591184A CN 108591184 A CN108591184 A CN 108591184A CN 201810345364 A CN201810345364 A CN 201810345364A CN 108591184 A CN108591184 A CN 108591184A
- Authority
- CN
- China
- Prior art keywords
- stationary base
- base mount
- type stationary
- fuel tank
- threaded rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002828 fuel tank Substances 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 11
- 238000009434 installation Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 17
- 239000007787 solid Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000346 nonvolatile oil Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/26—Supply reservoir or sump assemblies
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
Abstract
The invention discloses a kind of oil tank frames convenient for fuel tank dismounting, including L-type stationary base mount, the side on L-type stationary base mount surface is threaded with the first threaded rod, one end of first threaded rod runs through L-type stationary base mount and extends to the outside of L-type stationary base mount, the surface of first threaded rod and it is threaded with montant positioned at the side of L-type stationary base mount, the surface of the L-type stationary base mount and it is threaded with the second threaded rod far from the side of montant, one end of second threaded rod runs through L-type stationary base mount and extends to the outside of L-type stationary base mount, the surface of second threaded rod and it is threaded with cross bar positioned at the side of L-type stationary base mount, the present invention relates to fuel tank fixing device technical fields.This is all extremely convenient convenient for the oil tank frame installation and dismounting of fuel tank dismounting, good to the fastening effect of fuel tank, solves the problems, such as that general oil tank frame dismounting is extremely inconvenient while protecting fuel tank.
Description
Technical field
The present invention relates to fuel tank fixing device technical field, specially a kind of oil tank frames convenient for fuel tank dismounting.
Background technology
Fuel tank generally refers to the container to charge on aircraft or on automobile, is that hydraulic oil or hydraulic pressure are stored in hydraulic system
The special container of liquid, fuel tank can be divided into two kinds of open type oil tank and sealed reservoir, and fuel tank must have a sufficiently large volume, fuel sucking pipe and
Oil return pipe should be inserted into minimum level hereinafter, with prevent from being emptied with oil return splash generate bubble, between fuel sucking pipe and oil return pipe away from
From remote as much as possible, between partition board should be set, other than oil storage, it is oily also to play heat dissipation, separation in hydraulic system for fuel tank
The effects that bubble in liquid, precipitated impurities.
The pattern of fuel tank is more, but mostly metal material is made, in order to prevent the corrosion of its surface rustization often its surface into
Row crosses paint, and it is mostly hard contact between fuel tank and fixed frame that traditional fuel tank, which is fixed, is easy to damage the outer surface of fuel tank, causes oil
Case corrosion even destroys situations such as tank body of oil tank, when fuel tank, which breaks down, to be needed to be repaired or replaced, because of traditional fixation
Method and existing fuel tank fastening assembly are complicated so that and it is extremely inconvenient to the dismounting of fuel tank, waste time and manpower.In invention
Hold
In view of the deficiencies of the prior art, the present invention provides a kind of oil tank frame convenient for fuel tank dismounting, it is solid to solve traditional fuel tank
Determine the difficult problem of component dismounting.
In order to achieve the above object, the present invention is achieved by the following technical programs：A kind of fuel tank convenient for fuel tank dismounting
The side of frame, including L-type stationary base mount, L-type stationary base mount surface is threaded with the first threaded rod, first screw thread
One end of bar is through L-type stationary base mount and extends to the outside of L-type stationary base mount, the surface of first threaded rod and is located at L
The side of type stationary base mount is threaded with montant, the surface of the L-type stationary base mount and the side threaded connection far from montant
There are the second threaded rod, one end of second threaded rod to run through L-type stationary base mount and extend to the outside of L-type stationary base mount, institute
State the surface of the second threaded rod and be threaded with cross bar positioned at the side of L-type stationary base mount, the bottom of the cross bar side with
The top of montant is in contact, and the one end of the cross bar far from the second threaded rod is fixedly connected with fixed plate, and the one of the fixed plate
Side is threaded with the first shank of bolt, and one end of the first shank of bolt sequentially passes through fixed plate and montant and extends to from right to left
The inside of montant, the screw top of the fixed plate are connected with the second shank of bolt, and one end of the second shank of bolt from top to bottom according to
It is secondary to run through fixed plate and cross bar and the inside for extending to cross bar.
Preferably, the both sides at the top of the L-type stationary base mount offer fixing groove, the top of two fixing groove inner walls
Slidably connect the first connecting plate between portion and bottom, and the side of side and fixing groove inner wall that the first connecting plate is away from each other
Between be provided with the first spring, two opposite sides of first connecting plate have been fixedly connected with connecting rod, two companies
The opposite one end of extension bar has been fixedly connected with the second connecting plate.
Preferably, the top and bottom of the L-type stationary base mount and positioned at cross bar bottom and the top of fixing groove between
It is fixedly connected with telescopic rod, one end of two telescopic rods has been fixedly connected with third connecting plate, two telescopic rods
Surface and positioned at L-type stationary base mount side and the side of third connecting plate between be arranged with second spring.
Preferably, the middle part on the cross bar and montant surface is threaded with third threaded rod, two third spiral shells
One end of rasp bar has been fixedly connected with the 4th connecting plate.
Preferably, the surface of first shank of bolt and second shank of bolt one end offers through-hole, and the L-type fixes base
Cushion is fixedly connected at the top of frame.
Advantageous effect
The present invention provides a kind of oil tank frames convenient for fuel tank dismounting.Has following advantageous effect：
（1）, should convenient for fuel tank dismounting oil tank frame, pass through the first threaded rod and the second threaded rod being arranged on L-type stationary base mount
Cooperation, secure one end of montant and cross bar, by fixed plate, the cooperation of the first shank of bolt and the second shank of bolt, secure
The other end of montant and cross bar secures fuel tank by the cooperation of third threaded rod and the 4th connecting plate, has thus reached solid
Stand oil case and the effect for facilitating fuel tank to dismantle solve traditional fuel tank because the reasons such as fixation kit is complicated cause dismounting tired
Difficult problem.
（2）, the fixing groove that is arranged on L-type stationary base mount, the first spring, the should be passed through convenient for oil tank frame of fuel tank dismounting
The cooperation of one connecting plate, the second connecting plate and connecting rod makes the bottom of fuel tank obtain preferably clamping firm effect, passes through cushion
Setting make between fuel tank and oil tank frame be soft contact, protect the surface of fuel tank, while providing the frictional force of bigger, make oil
Case more fastens.
（3）, the telescopic rod that is arranged on L-type stationary base mount, second spring and the should be passed through convenient for oil tank frame of fuel tank dismounting
The cooperation of three connecting plates makes the fastening effect that fuel tank is laterally subject to reinforce, while avoiding the direct of fuel tank and L-type stationary base mount
Contact.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the partial enlarged view at A in Fig. 1 of the present invention；
Fig. 3 is the vertical view of structure of the invention；
Fig. 4 is the partial enlarged view at A in Fig. 3 of the present invention.
In figure：1 L-type stationary base mount, 2 first threaded rods, 3 montants, 4 second threaded rods, 5 cross bars, 6 fixed plates, 7 first
Shank of bolt, 8 second shanks of bolt, 9 fixing grooves, 10 first connecting plates, 11 first springs, 12 connecting rods, 13 second connecting plates, 14 are stretched
Contracting bar, 15 third connecting plates, 16 second springs, 17 third threaded rods, 18 the 4th connecting plates, 19 through-holes, 20 cushions.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 4 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of oil tank frame convenient for fuel tank dismounting, including L-type are solid
Determine pedestal 1, the both sides at 1 top of L-type stationary base mount offer fixing groove 9, between the top and bottom of two 9 inner walls of fixing groove
The first connecting plate 10 is slidably connected, and is set between the first side being away from each other of connecting plate 10 and the side of 9 inner wall of fixing groove
It is equipped with the first spring 11, two opposite sides of the first connecting plate 10 have been fixedly connected with connecting rod 12, two 12 phases of connecting rod
To one end be fixedly connected with the second connecting plate 13, pass through fixing groove 9, the first spring 11, the first connecting plate 10, second connection
The cooperation of plate 13 and connecting rod 12 makes the bottom of fuel tank obtain preferably clamping firm effect, the top of L-type stationary base mount 1 and
Bottom and it has been fixedly connected with telescopic rod 14 between the bottom and the top of fixing groove 9 of cross bar 5, the one of two telescopic rods 14
End has been fixedly connected with third connecting plate 15, the surface of two telescopic rods 14 and side and the third company for being located at L-type stationary base mount 1
It is arranged with second spring 16 between the side of fishplate bar 15, passes through matching for telescopic rod 14, second spring 16 and third connecting plate 15
It closes, the fastening effect that fuel tank is laterally subject to is made to reinforce, while avoiding being in direct contact for fuel tank and L-type stationary base mount 1, cross bar 5
It is threaded with third threaded rod 17 with the middle part on 3 surface of montant, one end of third threaded rod 17 is designed for rotating handles, nothing
Third threaded rod 17 can need to be directly twisted with hand by tool, achieve the effect that fixed oil tank, dismounting also extremely convenient two
One end of third threaded rod 17 has been fixedly connected with the 4th connecting plate 18, the surface of 8 one end of the first shank of bolt 7 and the second shank of bolt
Offer through-hole 19, by onboard screwdriver by screwdriver front end be inserted into through-hole 19, you can rotation the first bolt and
Second bolt, easy to disassemble, the top of L-type stationary base mount 1 is fixedly connected with cushion 20, makes fuel tank and oil tank frame by cushion 20
Between be soft contact, protect the surface of fuel tank, while providing the frictional force of bigger, fuel tank made more to fasten, L-type stationary base mount
The side on 1 surface is threaded with the first threaded rod 2, and one end of the first threaded rod 2 through L-type stationary base mount 1 and extends to L-type
The outside of stationary base mount 1, the surface of the first threaded rod 2 and the side for being located at L-type stationary base mount 1 are threaded with montant 3, L-type
The surface of stationary base mount 1 and the side of separate montant 3 are threaded with the second threaded rod 4, and L is run through in one end of the second threaded rod 4
Type stationary base mount 1 and the outside for extending to L-type stationary base mount 1, the surface of the second threaded rod 4 and positioned at L-type stationary base mount 1 one
Side is threaded with cross bar 5, and the top of the first threaded rod 2 and the second threaded rod 4 is rotating handles design, without tool
The first threaded rod 2 and the second threaded rod 4 can be directly twisted with hand, achievees the effect that fixed montant 3 and cross bar 5, dismantles also pole
For convenience, the bottom of 5 side of cross bar is in contact with the top of montant 3, and the one end of cross bar 5 far from the second threaded rod 4 is fixedly connected
There is a fixed plate 6, the side of fixed plate 6 is threaded with the first shank of bolt 7, and one end of the first shank of bolt 7 is from right to left successively
Through fixed plate 6 and montant 3 and the inside for extending to montant 3, the screw top of fixed plate 6 is connected with the second shank of bolt 8, and
One end of two shanks of bolt 8 sequentially passes through fixed plate 6 and cross bar 5 and the inside for extending to cross bar 5 from top to bottom.
Work：In use, first fuel tank is placed on L-type stationary base mount 1, and the bottom of fuel tank is caught in the second connecting plate 13
Between, montant 3 is inserted into L-type stationary base mount 1, is fixed 3 bottom of montant with L-type stationary base mount 1 with the first threaded rod 2, it will be horizontal
Bar 5 is inserted into L-type stationary base mount 1, fixes one end of cross bar 5 and L-type stationary base mount 1 with the second threaded rod 4, passes through the first bolt
Bar 7, the second shank of bolt 8 and fixed plate 6 fix montant 3 and cross bar 5, turn third threaded rod 17, keep the 4th connecting plate 18 right
It the top of fuel tank and being laterally fixed, when dismounting, turns the first shank of bolt 7 and the second shank of bolt 8, and fixed plate 6 is unloaded, then
It turns the first threaded rod 2 and the second threaded rod 4 unloads sheer pole 5 and montant 3, you can unload fuel tank, this completes fuel tanks
The process of fastening and dismounting.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of oil tank frame convenient for fuel tank dismounting, including L-type stationary base mount（1）, it is characterised in that：The L-type stationary base mount
（1）The side on surface is threaded with the first threaded rod（2）, first threaded rod（2）One end run through L-type stationary base mount
（1）And extend to L-type stationary base mount（1）Outside, first threaded rod（2）Surface and be located at L-type stationary base mount（1）'s
Side is threaded with montant（3）, the L-type stationary base mount（1）Surface and far from montant（3）Side be threaded with
Two threaded rods（4）, second threaded rod（4）One end run through L-type stationary base mount（1）And extend to L-type stationary base mount（1）'s
Outside, second threaded rod（4）Surface and be located at L-type stationary base mount（1）Side be threaded with cross bar（5）, described
Cross bar（5）The bottom of side and montant（3）Top be in contact, the cross bar（5）Far from the second threaded rod（4）One end fix
It is connected with fixed plate（6）, the fixed plate（6）Side be threaded with the first shank of bolt（7）, and the first shank of bolt（7）'s
One end sequentially passes through fixed plate from right to left（6）And montant（3）And extend to montant（3）Inside, the fixed plate（6）Top
Portion is threaded with the second shank of bolt（8）, and the second shank of bolt（8）One end sequentially pass through fixed plate from top to bottom（6）And cross
Bar（5）And extend to cross bar（5）Inside.
2. a kind of oil tank frame convenient for fuel tank dismounting according to claim 1, it is characterised in that：The L-type stationary base mount
（1）The both sides at top offer fixing groove（9）, two fixing grooves（9）Sliding connects between the top and bottom of inner wall
It is connected to the first connecting plate（10）, and the first connecting plate（10）The side being away from each other and fixing groove（9）It is arranged between the side of inner wall
There is the first spring（11）, two first connecting plates（10）Opposite side has been fixedly connected with connecting rod（12）, two institutes
State connecting rod（12）Opposite one end has been fixedly connected with the second connecting plate（13）.
3. a kind of oil tank frame convenient for fuel tank dismounting according to claim 1, it is characterised in that：The L-type stationary base mount
（1）Top and bottom and be located at cross bar（5）Bottom and fixing groove（9）Top between be fixedly connected with telescopic rod
（14）, two telescopic rods（14）One end be fixedly connected with third connecting plate（15）, two telescopic rods（14）'s
Surface and be located at L-type stationary base mount（1）Side and third connecting plate（15）Side between be arranged with second spring（16）.
4. a kind of oil tank frame convenient for fuel tank dismounting according to claim 1, it is characterised in that：The cross bar（5）With it is perpendicular
Bar（3）The middle part on surface is threaded with third threaded rod（17）, two third threaded rods（17）One end it is fixed
It is connected with the 4th connecting plate（18）.
5. a kind of oil tank frame convenient for fuel tank dismounting according to claim 1, it is characterised in that：First shank of bolt
（7）With the second shank of bolt（8）The surface of one end offers through-hole（19）, the L-type stationary base mount（1）Top be fixedly connected
There is cushion（20）.
6. a kind of oil tank frame convenient for fuel tank dismounting according to claim 1, it is characterised in that：The work of the oil tank frame
It is as principle：In use, fuel tank is first placed on L-type stationary base mount（1）On, and the bottom of fuel tank is caught in the second connecting plate（13）
Between, by montant（3）It is inserted into L-type stationary base mount（1）, with the first threaded rod（2）By montant（3）Bottom and L-type stationary base mount（1）
It is fixed, by cross bar（5）It is inserted into L-type stationary base mount（1）, with the second threaded rod（4）By cross bar（5）One end and L-type stationary base mount
（1）It is fixed, pass through the first shank of bolt（7）, the second shank of bolt（8）And fixed plate（6）By montant（3）And cross bar（5）It is fixed, it turns
Third threaded rod（17）, make the 4th connecting plate（18）It to the top of fuel tank and is laterally fixed, when dismounting turns the first bolt
Bar（7）With the second shank of bolt（8）, by fixed plate（6）It unloads, then turns the first threaded rod（2）With the second threaded rod（4）Unload cross
Bar（5）And montant（3）, you can fuel tank is unloaded, this completes the processes of the fastening of fuel tank and dismounting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810345364.1A CN108591184A (en) | 2018-04-17 | 2018-04-17 | A kind of oil tank frame convenient for fuel tank dismounting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810345364.1A CN108591184A (en) | 2018-04-17 | 2018-04-17 | A kind of oil tank frame convenient for fuel tank dismounting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108591184A true CN108591184A (en) | 2018-09-28 |
Family
ID=63613260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810345364.1A Pending CN108591184A (en) | 2018-04-17 | 2018-04-17 | A kind of oil tank frame convenient for fuel tank dismounting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108591184A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111469657A (en) * | 2020-04-24 | 2020-07-31 | 高宝新 | Automobile chassis based on environmental protection |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200909271A (en) * | 2007-08-31 | 2009-03-01 | Kwang Yang Motor Co | Oil tank support for easy disassembly of oil tank |
| CN205956087U (en) * | 2016-08-19 | 2017-02-15 | 天津市远野科技发展有限公司 | Hydraulic tank with shock attenuation leak protection |
| CN107054923A (en) * | 2017-04-10 | 2017-08-18 | 成都大漠石油技术有限公司 | The fuel reserve tank of oil can quickly be discharged |
| CN206718966U (en) * | 2017-05-17 | 2017-12-08 | 台州瑞祥教育科技有限公司 | A kind of fuel tank dual-gripper frock clamp |
| CN207015158U (en) * | 2017-05-15 | 2018-02-16 | 新昌县羽林街道维新机械厂 | A kind of new automotive oil tank fixed seat |
| CN207059760U (en) * | 2017-06-23 | 2018-03-02 | 宝沃汽车（中国）有限公司 | Fuel tank protection device and there is its vehicle |
| CN208057589U (en) * | 2018-04-17 | 2018-11-06 | 盐城派威机械有限公司 | A kind of oil tank frame convenient for fuel tank dismounting |
-
2018
- 2018-04-17 CN CN201810345364.1A patent/CN108591184A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200909271A (en) * | 2007-08-31 | 2009-03-01 | Kwang Yang Motor Co | Oil tank support for easy disassembly of oil tank |
| CN205956087U (en) * | 2016-08-19 | 2017-02-15 | 天津市远野科技发展有限公司 | Hydraulic tank with shock attenuation leak protection |
| CN107054923A (en) * | 2017-04-10 | 2017-08-18 | 成都大漠石油技术有限公司 | The fuel reserve tank of oil can quickly be discharged |
| CN207015158U (en) * | 2017-05-15 | 2018-02-16 | 新昌县羽林街道维新机械厂 | A kind of new automotive oil tank fixed seat |
| CN206718966U (en) * | 2017-05-17 | 2017-12-08 | 台州瑞祥教育科技有限公司 | A kind of fuel tank dual-gripper frock clamp |
| CN207059760U (en) * | 2017-06-23 | 2018-03-02 | 宝沃汽车（中国）有限公司 | Fuel tank protection device and there is its vehicle |
| CN208057589U (en) * | 2018-04-17 | 2018-11-06 | 盐城派威机械有限公司 | A kind of oil tank frame convenient for fuel tank dismounting |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111469657A (en) * | 2020-04-24 | 2020-07-31 | 高宝新 | Automobile chassis based on environmental protection |
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