CN108189747A - A kind of automobile-used dust-proof mechanism of dregs - Google Patents
A kind of automobile-used dust-proof mechanism of dregs Download PDFInfo
- Publication number
- CN108189747A CN108189747A CN201810104075.2A CN201810104075A CN108189747A CN 108189747 A CN108189747 A CN 108189747A CN 201810104075 A CN201810104075 A CN 201810104075A CN 108189747 A CN108189747 A CN 108189747A
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- Prior art keywords
- block
- fixed
- dregs
- limited block
- face
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- 230000007246 mechanism Effects 0.000 title claims abstract description 30
- 239000000428 dust Substances 0.000 claims abstract description 27
- 239000002184 metal Substances 0.000 claims description 64
- 229910052751 metal Inorganic materials 0.000 claims description 64
- 239000000203 mixture Substances 0.000 claims description 21
- 239000002689 soil Substances 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 239000004035 construction material Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 244000309464 bull Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P7/00—Securing or covering of load on vehicles
- B60P7/02—Covering of load
- B60P7/04—Covering of load by tarpaulins or like flexible members
Abstract
The present invention provides a kind of automobile-used dust-proof mechanisms of dregs, it is main to include symmetrically being fixed at compartment both sides upper end and the strip guide-rail plate consistent with car length size, cuboid limited block is vertically fixed in guide-rail plate both ends lower face, the identical height and position in two limited block tops sets a leading screw, leading screw passes through the upper end of a square guide rail block, and retaining mechanism is set in the groove that front end face of the way block far from the compartment surface opens up;The lower section setting spring lever and the compressor arm consistent with spring lever size of leading screw are for compressing dust cover, and leading screw one end sets a motor, and motor drives the leading screw of compartment opposite side by chain or belt.The present invention makes dust cover be laid with automatically, effectively the powdered construction materials such as dregs is prevented to leak in transportational process, apparatus structure is simple, is easily installed, dismantles and operates.
Description
Technical field
The present invention relates to urban environmental protection slag-soil truck field more particularly to a kind of automobile-used dust-proof mechanisms of dregs.
Background technology
Slag-soil truck plays an important role in Process of Urban Development, with the continuous hair of National urban construction process
Exhibition, builds, builds the road, civil engineering etc. has obtained rapid development, using slag-soil truck transport sandy soil also more frequently.Current city
Slag-soil truck covers dregs using canvas mostly, on the one hand, closed not tight, occlusion effect is poor, slag-soil truck airborne dust and leakage on the way
It is more serious to shed phenomenon, seriously destroys the city appearance of the city, on the other hand, for powdered dregs construction material, encounters strong wind
Or road bump situation when, powdered dregs material can float in air, be polluted to road surface.It is in addition, existing
Slag-soil truck dust cover needs artificial be laid with that could use.Therefore, at present, lack in the market and a kind of automatic be laid with dust cover and can be with
The effective dust cover that the powdered construction materials such as dregs is prevented to leak in transportational process.
Invention content
The purpose of the present invention is to provide a kind of automobile-used dust-proof mechanisms of dregs, can not only solve what dust cover was laid with automatically
Problem, moreover it is possible to it is effective that the powdered construction materials such as dregs is prevented to leak in transportational process, and apparatus structure is simple, it is easy to pacify
Dress, dismounting and operation.
A kind of automobile-used dust-proof mechanism of dregs, it is main to include the symmetrical compartment both sides upper end and long with the compartment of being fixed at
The consistent strip guide-rail plate of size is spent, a cuboid limited block, two institutes are vertically fixed in guide-rail plate both ends lower face
It states the identical height and position in limited block top and one leading screw is set, the leading screw passes through the upper end of a square guide rail block and led with described
Rail block is threadedly coupled, and the way block top is embedded in the strip open slot of the guide-rail plate setting, and the way block is separate
Setting retaining mechanism in the groove that the front end face on the compartment surface opens up, the retaining mechanism lock dregs dustproof cover for vehicle;
Described leading screw one end sets a motor, and the motor is fixed on the end face in the compartment, and the motor passes through chain
Item or belt drive the leading screw of the compartment opposite side.
The retaining mechanism mainly includes abutting against the tooth plate of the groove inner face, the tooth plate under the way block
The gear engagement being fixedly installed in the groove of end, fixed setting has engagement in the groove below the gear
Tooth and the blend stop engaged with the tooth plate;Intermediate plate is fixedly installed in the tooth plate upper end upright front face, and the intermediate plate is by upper and lower
Position relationship and upper sheet metal with gap and lower sheet metal are formed, is threaded hole on the intermediate plate.
The lower section setting strip spring lever of the leading screw and the strip compressor arm consistent with the spring lever size, institute
It states spring lever and the compressor arm both passes through the long stripes through hole of the way block side setting, and the spring lever and the pressure
Tight bar both ends are arranged in the open slot that two limited block sides open up;The spring lever both ends are fixed on by spring
The upper surface of open slot that two limited block sides open up.
Fixed block on one is fixedly installed close to the compartment side in the spring lever both ends, positioned at the upper fixing block
Fixed block is fixedly installed in the underface compressor arm both ends, and the upper fixing block and the lower fixed block are threaded
Hole, the interior setting bolt of the threaded hole.
The compressor arm is close to the one drop-down component of lower face fixed setting of two limited block positions, the drop-down group
Part includes pull rod and bolt;The pull rod is by abutting the rectangular vertical portion of the limited block side and being fixed under the vertical portion
The horizontal part held and be movably arranged on the limited block lower face is formed, and the horizontal part is threaded hole, in the threaded hole
The bolt is set, and the threaded portion upper surface of the bolt is acted against on the lower face of the limited block.
Preferably, the drop-down component includes being fixed on the rectangular of the compressor arm lower face against the limited block side
Metal column sets several compact arranged grooves on two sides of the metal column;The drop-down component is further included by same
One fixing axle is hingedly arranged on the identical motion bar of two sizes of the limited block bottom surface, and two motion bars are close to described
The position of metal column is connected by extension spring, the end set of two motion bars and the groove card of the metal column
The array protrusion connect.
The upper sheet metal and lower sheet metal are square metal piece, circular metal plate, triangle metal piece, trapezoidal metal
One kind in piece, ellipse metal plate and fan-shaped sheet metal;The upper sheet metal end face is threaded hole, is set in the threaded hole
It puts bolt or the lower sheet metal end face is threaded hole, head bolt directed downwardly is set in the threaded hole.
One end of the blend stop is threaded hole or dowel hole, and the other end fixed setting of the blend stop is vertical described
The convex block of blend stop side.
The limited block is concordant with the lower face of the way block;The open slot lower face of limited block setting with it is described
The through-hole lower face that way block opens up is concordant.
The beneficial effects of the invention are as follows:The present invention is clamped dust cover cloth and using the intermediate plate on tooth plate in the effect of motor
Lower realization is automatic to be laid with, and using spring lever and compressor arm, by dust cover, clamped other marginal portions do not compress, and realize dust-proof
Cover whole fixation;In addition, using the up and down motion of tooth plate and the corrective action of limited block inner spring, it can be according to goods in compartment
The height of object carries out flexible modulation.
Description of the drawings
Fig. 1 is the structure diagram of Example 1 and Example 2 of the present invention.
Fig. 2 is the structure diagram of Example 1 and Example 2 of the present invention middle guide block.
Fig. 3 is the structure diagram that component is pulled down in the embodiment of the present invention 1.
Fig. 4 is the structure diagram of Example 1 and Example 2 of the present invention middle guide plate.
Fig. 5 is the structure diagram that component is pulled down in the embodiment of the present invention 2.
Wherein, reference numeral is:1st, compartment;2nd, leading screw;3rd, spring lever;3-1, upper fixed block;4th, compressor arm;It is 4-1, lower solid
Determine block;5th, blend stop;6th, way block;7th, gear;8th, tooth plate;8-1, intermediate plate;9th, bolt;10th, pull rod;11st, limited block;11-1, work
Lever;11-2, fixing axle;11-3, extension spring;11-4, metal column;12nd, motor;13rd, dust-proof cover plate;14th, fixing bolt;
15th, guide-rail plate.
Specific embodiment
In order to more clearly illustrate the technical characterstic of this programme, below by specific embodiment, this programme is carried out
It illustrates.
Embodiment 1
As shown in Figure 1, Figure 2 and Figure 4, the automobile-used dust-proof mechanism of a kind of dregs, it is main to include symmetrically being fixed on 1 both sides of compartment
It holds and a cuboid is vertically fixed in the strip guide-rail plate 15 consistent with 1 length dimension of compartment, 15 both ends lower face of guide-rail plate
Limited block 11, the identical height and position in two 11 tops of limited block set a leading screw 2, and leading screw 2 passes through the upper end of a square guide rail block 6
Portion is simultaneously threadedly coupled with way block 6, and in the strip open slot that 6 top of way block insertion guide-rail plate 15 is set, way block 6 is separate
Setting retaining mechanism in the groove that the front end face on compartment surface opens up, retaining mechanism locking dregs dustproof cover for vehicle;
2 one end of leading screw sets a motor 12, and motor 12 is fixed on the end face in compartment 1, and motor 12 passes through chain or skin
With the leading screw for driving compartment opposite side.
Retaining mechanism mainly includes abutting against the tooth plate 8 of groove inner face, tooth plate 8 in the groove of 6 lower end of way block
The gear 7 of fixed setting engages, and the blend stop for having engaging tooth and being engaged with tooth plate 8 is fixedly installed in 7 lower grooves of gear
5;8 upper end upright front face of tooth plate be fixedly installed intermediate plate 8-1, intermediate plate 8-1 by overlying relation and with gap upper gold
Belong to piece and lower sheet metal is formed, hole is threaded on intermediate plate 8-1.
The lower section setting strip spring lever 3 of leading screw 2 and the strip compressor arm 4 consistent with 3 size of spring lever, spring lever
3 and compressor arm 4 both pass through the long stripes through hole of 6 side of way block setting, and spring lever 3 and 4 both ends of compressor arm are arranged at two
In the open slot that a 11 side of limited block opens up;3 both ends of spring lever are fixed on what two 11 sides of limited block opened up by spring
The upper surface of open slot.
Fixed block 3-1 on one is fixedly installed close to compartment side in spring lever both ends, positioned at the underface of upper fixed block 3-1
4 both ends of compressor arm are fixedly installed fixed block 4-1, upper fixed block 3-1 and lower fixed block 4-1 and are threaded hole, threaded hole
Interior setting bolt.
As shown in figure 3, lower face fixed setting one drop-down component of the compressor arm 4 close to two 11 positions of limited block, drop-down
Component includes pull rod 10 and bolt 9;Pull rod 10 is by abutting the rectangular vertical portion of 11 side of limited block and being fixed on vertical portion lower end
And the horizontal part for being movably arranged on 11 lower face of limited block is formed, horizontal part is threaded hole, and bolt 9, spiral shell are set in threaded hole
The threaded portion upper surface of bolt 9 is acted against on the lower face of limited block 11.
Upper sheet metal and lower sheet metal are square metal piece, circular metal plate, triangle metal piece, trapezoidal sheet metal, ellipse
One kind in circular metal plate and fan-shaped sheet metal;Upper sheet metal end face is threaded hole, in threaded hole setting bolt or under
Sheet metal end face is threaded hole, and head bolt directed downwardly is set in threaded hole.
One end of blend stop 5 is threaded hole or dowel hole, and vertical 5 side of blend stop is fixedly installed in the other end of blend stop 5
Convex block.
Limited block 11 is concordant with the lower face of way block 6;The open slot lower face that limited block 11 is set is opened up with way block 6
Through-hole lower face it is concordant.
Dust cover is arranged in dust-proof cover plate, and dust-proof cover plate 13 is arranged on compartment one end, dust cover by fixing bolt 14
It is the prior art with dust-proof cover plate, this will not be detailed here.
The course of work of the present embodiment is as follows:
Beginning state:Way block 6 is initially located in 12 side of motor, and the bolt that dust cover one end angle is arranged on clamping plate is tightly pressed
Firmly;
Sprawl state:Start the motor 12 of compartment both sides, leading screw rotates at this time, and way block 6 is driven to be moved to the tailstock, works as dust cover
After reaching the tailstock with way block 6, stop motor 12 and work.
Clamped condition:7 shaft of gear is rotated, tooth plate 8 is moved down, is pressed in the dust cover of intermediate plate at this time with tooth
Plate 8 moves down, and when dust cover is tightly held, stop rotating 7 bull stick of gear, pushes the blend stop of 7 lower end of gear and nibbles it
It closes on tooth plate 8, the bolt of 5 one end of rotation blend stop is limited.
The bottom margin of dust cover is arranged between spring lever 3 and compressor arm 4, is turned between spring lever 3 and compressor arm 4
Bolt, clamp dust cover;The bolt between 11 bottom surface of 10 horizontal part of pull rod and limited block is turned, bolt end head is resisted against described
11 bottom surface of limited block can adjust the height of pressure plate 4 and spring lever 3, make it highly consistent with intermediate plate 8-1.
Embodiment 2
As shown in Figure 1, Figure 2 and Figure 4, the automobile-used dust-proof mechanism of a kind of dregs, it is main to include symmetrically being fixed on 1 both sides of compartment
It holds and a cuboid is vertically fixed in the strip guide-rail plate 15 consistent with 1 length dimension of compartment, 15 both ends lower face of guide-rail plate
Limited block 11, the identical height and position in two 11 tops of limited block set a leading screw 2, and leading screw 2 passes through the upper end of a square guide rail block 6
Portion is simultaneously threadedly coupled with way block 6, and in the strip open slot that 6 top of way block insertion guide-rail plate 15 is set, way block 6 is separate
Setting retaining mechanism in the groove that the front end face on compartment surface opens up, retaining mechanism locking dregs dustproof cover for vehicle;
2 one end of leading screw sets a motor 12, and motor 12 is fixed on the end face in compartment 1, and motor 12 passes through chain or skin
With the leading screw for driving compartment opposite side.
Retaining mechanism mainly includes abutting against the tooth plate 8 of groove inner face, tooth plate 8 in the groove of 6 lower end of way block
The gear 7 of fixed setting engages, and the blend stop for having engaging tooth and being engaged with tooth plate 8 is fixedly installed in 7 lower grooves of gear
5;8 upper end upright front face of tooth plate be fixedly installed intermediate plate 8-1, intermediate plate 8-1 by overlying relation and with gap upper gold
Belong to piece and lower sheet metal is formed, hole is threaded on intermediate plate 8-1.
The lower section setting strip spring lever 3 of leading screw 2 and the strip compressor arm 4 consistent with 3 size of spring lever, spring lever
3 and compressor arm 4 both pass through the long stripes through hole of 6 side of way block setting, and spring lever 3 and 4 both ends of compressor arm are arranged at two
In the open slot that a 11 side of limited block opens up;3 both ends of spring lever are fixed on two 11 sides of limited block by extension spring and open
If open slot upper surface.
Fixed block 3-1 on one is fixedly installed close to compartment side in spring lever both ends, positioned at the underface of upper fixed block 3-1
4 both ends of compressor arm are fixedly installed fixed block 4-1, upper fixed block 3-1 and lower fixed block 4-1 and are threaded hole, threaded hole
Interior setting bolt.
As shown in figure 5, lower face fixed setting one drop-down component of the compressor arm 4 close to two 11 positions of limited block, drop-down
Component includes the square metal column 11-4 that compressor arm lower face is fixed on against limited block side, is set on two sides of metal column
Put several compact arranged grooves;Drop-down component is further included hingedly is arranged on the two of limited block bottom surface by same fixing axle 11-2
The identical motion bar 11-1 of a size, two motion bars are connected close to the position of metal column by extension spring 11-3, two work
The end set of lever and the array protrusion of the groove clamping of metal column.
Upper sheet metal and lower sheet metal are square metal piece, circular metal plate, triangle metal piece, trapezoidal sheet metal, ellipse
One kind in circular metal plate and fan-shaped sheet metal;Upper sheet metal end face is threaded hole, in threaded hole setting bolt or under
Sheet metal end face is threaded hole, and head bolt directed downwardly is set in threaded hole.
One end of blend stop 5 is threaded hole or dowel hole, and vertical 5 side of blend stop is fixedly installed in the other end of blend stop 5
Convex block.
Limited block 11 is concordant with the lower face of way block 6;The open slot lower face that limited block 11 is set is opened up with way block 6
Through-hole lower face it is concordant.
Dust cover is arranged in dust-proof cover plate, and dust-proof cover plate 13 is arranged on compartment one end, dust cover by fixing bolt 14
It is the prior art with dust-proof cover plate, this will not be detailed here.
The course of work of the present embodiment is as follows:
Beginning state:Way block 6 is initially located in 12 side of motor, and the bolt that dust cover one end angle is arranged on clamping plate is tightly pressed
Firmly;
Sprawl state:Start the motor 12 of compartment both sides, leading screw rotates at this time, and way block 6 is driven to be moved to the tailstock, works as dust cover
After reaching the tailstock with way block 6, stop motor 12 and work.
Clamped condition:7 shaft of gear is rotated, tooth plate 8 is moved down, is pressed in the dust cover of intermediate plate at this time with tooth
Plate 8 moves down, and when dust cover is tightly held, stop rotating 7 bull stick of gear, pushes the blend stop of 7 lower end of gear and nibbles it
It closes on tooth plate 8, the bolt of 5 one end of rotation blend stop is limited.
The bottom margin of dust cover is arranged between spring lever 3 and compressor arm 4, is turned between spring lever 3 and compressor arm 4
Bolt, clamp dust cover;The square metal column 11-4 of compressor arm lower face is pulled downward on against limited block side and is fixed on,
Several compact arranged grooves are set on two sides of metal column 11-4, and two motion bar 11-1 lead to close to the position of metal column
The 11-3 connections of overstretching spring, strut two motion bar 11-1 at this time, due to the end set and metal of two motion bar 11-1
The array protrusion of the groove clamping of column 11-4, therefore the end of motion bar 11-1 is just stuck in the groove of metal column 11-4.
The present invention can not only solve the problems, such as that dust cover is laid with automatically, moreover it is possible to effective to prevent the powdered buildings such as dregs
The problem of material leaks in transportational process, and apparatus structure is simple, is easily installed, dismantles and operates.
Technical characteristic of the present invention without description can realize that details are not described herein by or using the prior art, certainly,
It is limitation of the present invention that above description, which is not, and the present invention is also not limited to the example above, the ordinary skill of the art
The variations, modifications, additions or substitutions that personnel are made in the essential scope of the present invention should also belong to the protection model of the present invention
It encloses.
Claims (9)
1. a kind of automobile-used dust-proof mechanism of dregs, which is characterized in that it is main include it is symmetrical be fixed at compartment both sides upper end and with
Cuboid limiting is vertically fixed in the consistent strip guide-rail plate of the car length size, guide-rail plate both ends lower face
Block, two one leading screws of the identical height and position setting in limited block top, the leading screw pass through the upper end of a square guide rail block
And be threadedly coupled with the way block, the way block top is embedded in the strip open slot of the guide-rail plate setting, described
Retaining mechanism is set in the groove that front end face of the way block far from the compartment surface opens up, and the retaining mechanism locks slag-soil truck
Use dust cover;
Described leading screw one end sets a motor, and the motor is fixed on the end face in the compartment, and the motor passes through chain
Item or belt drive the leading screw of the compartment opposite side.
2. the automobile-used dust-proof mechanism of dregs according to claim 1, which is characterized in that the retaining mechanism mainly includes abutting
In the tooth plate of the groove inner face, the gear being fixedly installed in the tooth plate and the groove of the way block lower end is nibbled
It closes, fixed setting has engaging tooth and the blend stop engaged with the tooth plate in the groove below the gear;The tooth
Intermediate plate is fixedly installed in plate upper end upright front face, and the intermediate plate is by overlying relation and the upper sheet metal with gap is under
Sheet metal is formed, and hole is threaded on the intermediate plate.
3. according to the automobile-used dust-proof mechanism of claim 1-2 any one of them dregs, which is characterized in that set below the leading screw
Strip spring lever and the strip compressor arm consistent with the spring lever size are put, the spring lever and the compressor arm are worn
The long stripes through hole of the way block side setting is crossed, and the spring lever and the compressor arm both ends are arranged at described in two
In the open slot that limited block side opens up;The spring lever both ends are fixed on what two limited block sides opened up by spring
The upper surface of open slot.
4. according to the automobile-used dust-proof mechanism of claim 1-3 any one of them dregs, which is characterized in that the spring lever both ends are leaned on
Fixed block on one is fixedly installed in the nearly compartment side, solid positioned at the underface of the upper fixing block compressor arm both ends
Fixed to set fixed block, the upper fixing block and the lower fixed block are threaded hole, bolt are set in the threaded hole.
5. according to the automobile-used dust-proof mechanism of claim 1-4 any one of them dregs, which is characterized in that the compressor arm is close to two
The one drop-down component of lower face fixed setting of a limited block position, the drop-down component include pull rod and bolt;The drawing
Bar is by abutting the rectangular vertical portion of the limited block side and being fixed on the vertical portion lower end and be movably arranged on the limiting
The horizontal part of block lower face is formed, and the horizontal part is threaded hole, and the bolt is set in the threaded hole, the bolt
Threaded portion upper surface is acted against on the lower face of the limited block.
6. according to the automobile-used dust-proof mechanism of claim 1-4 any one of them dregs, which is characterized in that the compressor arm is close to two
The one drop-down component of lower face fixed setting of a limited block position, the drop-down component are included against the limited block side
The square metal column of the compressor arm lower face is fixed on, is set on two sides of the metal column several compact arranged recessed
Slot;The drop-down component further includes the identical work of two sizes that the limited block bottom surface is hingedly arranged on by same fixing axle
Lever, two motion bars are connected close to the position of the metal column by extension spring, the end of two motion bars
The array protrusion that the groove of setting and the metal column is clamped.
7. according to the automobile-used dust-proof mechanism of claim 1-6 any one of them dregs, which is characterized in that the upper sheet metal is under
Sheet metal is square metal piece, circular metal plate, triangle metal piece, trapezoidal sheet metal, ellipse metal plate and fan-shaped metal
One kind in piece;The upper sheet metal end face is threaded hole, and bolt or the lower metal bit end are set in the threaded hole
Face is threaded hole, and head bolt directed downwardly is set in the threaded hole.
8. according to the automobile-used dust-proof mechanism of claim 1-7 any one of them dregs, which is characterized in that one end of the blend stop is set
Put threaded hole or dowel hole, the convex block of the vertical blend stop side of other end fixed setting of the blend stop.
9. according to the automobile-used dust-proof mechanism of claim 1-8 any one of them dregs, which is characterized in that the limited block and described
The lower face of way block is concordant;It puts down the through-hole lower face that the open slot lower face of the limited block setting is opened up with the way block
Together.
Priority Applications (1)
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CN201810104075.2A CN108189747A (en) | 2018-02-02 | 2018-02-02 | A kind of automobile-used dust-proof mechanism of dregs |
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CN201810104075.2A CN108189747A (en) | 2018-02-02 | 2018-02-02 | A kind of automobile-used dust-proof mechanism of dregs |
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CN201810104075.2A Pending CN108189747A (en) | 2018-02-02 | 2018-02-02 | A kind of automobile-used dust-proof mechanism of dregs |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109131032A (en) * | 2018-07-26 | 2019-01-04 | 利辛县江淮扬天汽车有限公司 | A kind of novel semi-trailer equipped with tilt |
CN110371012A (en) * | 2019-08-13 | 2019-10-25 | 江西长淮汽车有限公司 | A kind of trailer with extension cover automatic deploying and retracting function |
CN110745063A (en) * | 2019-11-26 | 2020-02-04 | 王鑫杰 | Improved protection tarpaulin for freight carriage |
TWI831930B (en) * | 2020-02-21 | 2024-02-11 | 丁三郎 | Truck bed cover |
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