CN109131573A - A kind of closed-type semitrailer - Google Patents
A kind of closed-type semitrailer Download PDFInfo
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- CN109131573A CN109131573A CN201811088334.3A CN201811088334A CN109131573A CN 109131573 A CN109131573 A CN 109131573A CN 201811088334 A CN201811088334 A CN 201811088334A CN 109131573 A CN109131573 A CN 109131573A
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- vehicle frame
- carriage body
- anticollision
- side plate
- frame
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- 238000005265 energy consumption Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
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- 239000010959 steel Substances 0.000 description 2
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- 244000261422 Lysimachia clethroides Species 0.000 description 1
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- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
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- 239000004753 textile Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/14—Understructures, i.e. chassis frame on which a vehicle body may be mounted of adjustable length or width
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/04—Enclosed load compartments ; Frameworks for movable panels, tarpaulins or side curtains
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The present invention relates to equipment technology field of transport, more particularly to a kind of closed-type semitrailer, including the first vehicle frame, it is fixed on the support leg of the first bottom of frame, the second vehicle frame of setting is matched and slided with the first vehicle frame, it is adapted to the first carriage body of setting with the first vehicle frame, the second carriage body of setting is adapted to the second vehicle frame and is adapted to the wheel group of setting with the second vehicle frame；Folding anticollision device, collision-prevention device is provided on the inside of first carriage body；One end of anticollision device, collision-prevention device is fixedly connected with the first carriage body, and the other end is fixedly connected with the second carriage body；By the first vehicle frame and the second vehicle frame of sliding adaptation setting, the adjusting of closed-type semitrailer length of wagon is realized, satisfaction can be adapted to different freight traffics, improve resource utilization, reduce transportation cost；And it is provided with foldable anticollision device, collision-prevention device in carriage body, makes to be in steady state always during cargo transport, ensure that the shipping mass of cargo.
Description
Technical field
The present invention relates to equipment technology field of transport, and in particular to a kind of closed-type semitrailer.
Background technique
Van type transporting semi-trailer is that have relatively strong carrying made of reequiping on the chassis of van or is separately fabricated
Power, the advantage that safety coefficient is high, design is reasonable, sturdy and durable.Van type transporting semi-trailer uses enclosed side protection design, phase
Than in the design of storehouse grating, transverse direction risk when can effectively reduce high vehicle speeds lowers energy consumption, and rear protecting design has rationally
Cart attachment, convenient working.Passenger compartment formula and carriage-type can be divided into according to the difference in its compartment.The compartment and driver's cabin of carriage-type
Specific constructive form for split type structure, compartment is different according to its function.The top cover in formula compartment in top such as living can be vertically moved up or down, with
Change carriage box volume capacity, meets the handling requirement of different cargos；Wing opening type carriage is then convenient for the handling of cargo, improves the efficiency of loading and unloading.
The fortune of closed-type semitrailer series of products are suitable for the construction materials such as household electrical appliance, light textile cargo, coal, sandstone and figure is taken stock object
It is defeated.
Van type transporting semi-trailer vehicle frame is to wear girder structure, and stringer uses straight formula or gooseneck type, and crossbeam penetrates stringer
And weld entirety.Carriage body has Duola, heavy duty, the spy from heavy and light using high-intensitive cold bundle corrugated steel plate, chassis less construction
Point.But closed-type semitrailer currently on the market, it is mostly integrally formed or is fixed the structure of van-type cargocubic capacity, is being transported not
When same size, different freight volume cargos, it is unable to flexible modulation cargocubic capacity.If such as required freight amount is less, vehicle
Space is superfluous in compartment, and transport resource is caused to waste；And the length of wagon of semitrailer is longer, and turning radius is big, and controllability is low, makes
It is low at Transport Safety；In addition, vehicle interior space is superfluous, it will lead to and shakiness is shaken by transport cargo during transportation, or
The mutual shipping mass that slight impact or displacement occurs and influences cargo.If required freight amount is more, need to increase
Add the semitrailer of respective numbers to meet the transport of entire cargo, increases transportation cost.
Summary of the invention
It is suitable by sliding in view of the deficiencies of the prior art, the present invention intends to provide a kind of closed-type semitrailer
The first vehicle frame and the second vehicle frame with setting, realize the adjusting of closed-type semitrailer length of wagon, equal to different freight traffics
It can be adapted to satisfaction, improved resource utilization, transportation cost is reduced；And foldable anticollision device, collision-prevention device is provided in carriage body,
Make to be in steady state always during cargo transport, ensure that the shipping mass of cargo.
The purpose of the present invention is achieved through the following technical solutions:
A kind of closed-type semitrailer, including the first vehicle frame, are fixed on the support leg of the first bottom of frame, match with the first vehicle frame and
The second vehicle frame for sliding setting is adapted to the first carriage body of setting with the first vehicle frame, and the second carriage body of setting is adapted to the second vehicle frame
With the wheel group for being adapted to setting with the second vehicle frame；Folding anticollision device, collision-prevention device is provided on the inside of first carriage body；Anticollision dress
The one end set is fixedly connected with the first carriage body, and the other end is fixedly connected with the second carriage body.
By using above-mentioned technical proposal, the second vehicle frame is adapted to sliding into the first vehicle frame, drives the second carriage body to first
Close to or far from realizing the adjusting of useful load inside semitrailer box body in carriage body.If required freight amount is less than first
Second vehicle frame and the second carriage body, then be maximumlly retracted in the first carriage body by the goods capacity of carriage body, avoids length of wagon superfluous,
The controllability in transportational process is caused to reduce and cause safety issue.If required freight amount is greater than the goods of the first carriage body
Second vehicle frame and the second carriage body are then stretched out outside the first carriage body to appropriate location, a semitrailer are made to can satisfy difference by capacity
Cargo transport demand, improves resource utilization, and reduces transportation cost.In addition, after the second carriage body is inserted into the first carriage body, the two
There can be drop between side wall, including the second carriage body, the first carriage body is outside；If cargo just across the junction of two carriage bodies,
It can then make between cargo and the outer i.e. side wall of the first carriage body that there are gaps, so that during transportation, which can locate always
In shaking unstable state, serious can also collide influences adjacent cargo, to reduce cargo transport quality.The present invention
In, the surface of folding anticollision device, collision-prevention device is concordant with the inner surface of the second carriage body, guarantees that cargo is in steady gear shield branch always
In support, the shipping mass of cargo ensure that.
Preferably, the anticollision device, collision-prevention device includes several anticollision vertical beams and flexible rack；The flexible rack is hingedly arranged
In the side of anticollision vertical beam, adjacent anticollision vertical beam is linked together.
By using above-mentioned technical proposal, anticollision vertical beam plays the role of support block shield goods inside, if flexible rack will
Dry anticollision vertical beam is connected as one, and realizes the retractable of anticollision device, collision-prevention device.
Preferably, first carriage body includes the first foreboard, the first side plate and the first top plate；First side plate is fixed
It is arranged in the first foreboard two sides；First top plate is fixed at the top of the first foreboard and the first side plate；The anticollision is perpendicular
Beam is slidably arranged in the first side plate interior sides, and the flexible rack is between anticollision vertical beam and the first side plate.
Preferably, second carriage body includes two the second side plates, the second back plate and position positioned at the second side plate rear end
The second top plate in the second side plate and the second back plate top；Second side plate is located at the first side plate interior sides, and with the second vehicle frame
The sliding of opposite first vehicle frame, to the first foreboard direction close to or far from；The anticollision vertical beam adjacent with the first foreboard is fixedly mounted
On first foreboard, the anticollision vertical beam adjacent with the second side plate is fixedly mounted on the second side plate.
By using above-mentioned technical proposal, during the second side plate is protruded into or pulled out with respect to the first side plate, anticollision device, collision-prevention device
It slides together therewith.Specifically: the anticollision vertical beam adjacent with the first side plate is fixed, the anticollision vertical beam adjacent with the second side plate
It is dynamic with the second side plate, when the second carriage body is protruded into the first carriage body, the second side plate forward compression anticollision device, collision-prevention device, rack pressure of stretching
Contracting pushes anticollision vertical beam to move forward；When second carriage body is stretched out to outside the first carriage body, the second side plate, which pulls back, stretches anticollision device, collision-prevention device,
Flexible rack is opened, and anticollision vertical beam is pushed to move backward.Flexible rack connects adjacent between anticollision vertical beam and the first side plate
While anticollision vertical beam, the effect for reinforcing carriage body side plate is also acted as.
Preferably, side of the anticollision vertical beam far from flexible rack is concordant with the inner surface of the second side plate.
By using above-mentioned technical proposal, guarantee either the second side plate is moved to where, the inner surface of the second side plate begins
Eventually with the flush of anticollision vertical beam, guarantees that the cargo inside carriage body is supported by concordant face always and protect, effectively avoid goods
Unstable problem is shaken in object transport, ensure that the shipping mass of cargo.
Preferably, first vehicle frame includes two the first side frames, several first girders and first crossbeam；Described first
Crossbeam is fixedly connected with two the first side frames, and is located at the front end of two the first side frames；First girder is distributed in two
Between first side frame.
By using above-mentioned technical proposal, the first body frame structure for automotive is simple, by the steel plate or metal of traditional closed-type semitrailer
Bottom plate replaces with several girder supports, cooperates cross beam support and connects girder, and side frame ballistic support car body meets what transport required
Meanwhile the lightweight of car body is realized, transport energy consumption is reduced, to reduce transportation cost.
Preferably, first top board undersurface has been wholely set first sliding groove, first side frame bottom is wholely set
There is second sliding slot；The top of the anticollision vertical beam matches respectively with bottom end to be slidably arranged in first sliding groove and second sliding slot, real
The folding and opening of existing anticollision device, collision-prevention device.
By using above-mentioned technical proposal, the upper and lower end of anticollision vertical beam slides in first sliding groove and second sliding slot respectively,
Realize the compression and opening of anticollision device, collision-prevention device.
Preferably, second vehicle frame includes two the second side frames, several second girders and several second cross beams；It is several
The second cross beam be fixedly connected with two the second side frames, and be located at the rear end of two the second side frames；Second girder interval
It is distributed between two the second side frames；The wheel group is located at the lower section of second cross beam.
By using above-mentioned technical proposal, the second body frame structure for automotive is simple, cooperates the first vehicle frame, can satisfy different cargo fortune
The requirement of throughput rate.
Preferably, offering third sliding slot on the inside of first side frame, it is sliding that third is provided on the outside of second side frame
Block；The two sides of first girder offer the 4th sliding slot, and the two sides of second girder are provided with Four-slider；Described
Three sliding blocks match sliding in third sliding slot, and Four-slider matches sliding in the 4th sliding slot, realize the second vehicle frame and the first vehicle
Adaptation sliding between frame；Alternate setting between first girder and the second girder.
By using above-mentioned technical proposal, third sliding slot matches setting with third sliding block, realizes the first vehicle frame and second
Sliding setting between vehicle frame, allows the second carriage body to stretch out or withdraw into the first carriage body.4th sliding slot and Four-slider
With setting, while realizing that the first vehicle frame is opposite with the second vehicle frame and slide, the stationarity of sliding process ensure that.First girder with
Alternate setting between second girder, the two are spliced to together, that is, are close to one piece of complete bottom plate, and it is strong can to further increase support
Degree；The two separates, and respectively still can normally support.While satisfaction transport requires, the lightweight of vehicle body is realized, is reduced
Transport energy consumption and cost.
It is equipped with the first limit pin hole preferably, being spaced apart on first side frame, is spaced and opens up on second side frame
There is the second limit pin hole, first limit pin hole matches in groups two-by-two with the second limit pin hole.
By using above-mentioned technical proposal, after realizing that the second vehicle frame is stretched out or withdrawn into the first vehicle frame, the two is limited
It is fixed, to be assembled to form the semitrailer of the stable structure of an entirety.
In conclusion the invention has the following beneficial effects:
(1) by sliding adaptation setting the first vehicle frame and the second vehicle frame, drive the second carriage body with protruded into the first carriage body or
It skids off, realizes the adjusting of closed-type semitrailer cargo length and cargocubic capacity, satisfaction can be adapted to different freight traffics,
The trouble for overcoming frequently replacement semitrailer, improves resource utilization, reduces transportation cost；
(2) flush on the surface of folding anticollision device, collision-prevention device and the second side plate guarantees that cargo is in steady gear shield branch always
In support, avoids cargo in transportational process and shake shakiness because of protection face injustice in the first side plate and the second side plate junction
Problem guarantees the shipping mass of cargo；
(3) free end of anticollision vertical beam is fixedly connected on the second side plate, allows anticollision vertical beam with the movement of the second side plate
And move, guarantee that each anticollision vertical beam and the second side plate cooperate, supports cargo by concordant face always and protect, effectively avoid goods
Unstable problem is shaken in object transport；
(4) first vehicle frames and the second body frame structure for automotive are simple, realize the lightweight of closed-type semitrailer；And it is alternate between the two to set
It sets, matching forms complete bottom plate, and load-bearing capacity is strong.
Detailed description of the invention
Fig. 1 is the structural schematic diagram at rear visual angle of the present invention；
Fig. 2 is the structural schematic diagram at present invention front visual angle；
Fig. 3 is the structural schematic diagram of anticollision device, collision-prevention device；
Fig. 4 is the partial enlargement structural representation in the portion A in Fig. 3；
Fig. 5 is the assembling structure schematic diagram of the first vehicle frame and the second vehicle frame；
Fig. 6 is the structural schematic diagram of vehicle body.
Appended drawing reference: 1, the first carriage body；11, the first foreboard；12, the first side plate；13, the first top plate；2, the second carriage body；
21, the second side plate；22, the second back plate；23, the second top plate；3, the first vehicle frame；31, the first side frame；32, the first girder；33,
One crossbeam；4, the second vehicle frame；41, the second side frame；42, the second girder；43, second cross beam；5, wheel group；6, support leg；7, prevent
Hit vertical beam；8, stretch rack；9, the first limit pin hole；10, the second limit pin hole；15, first sliding groove；16, second sliding slot；17,
Third sliding slot；18, third sliding block；19, the 4th sliding slot；20, Four-slider.
Specific embodiment
A kind of closed-type semitrailer, as depicted in figs. 1 and 2, including the first carriage body 1, the second carriage body 2, the first vehicle frame 3, second
Vehicle frame 4, wheel group 5 and support leg 6.The state of Fig. 1 is the state that is set in together of the first carriage body 1 and the second carriage body, Fig. 2 the
The state of two carriage bodies 2 stretching 1 extreme length of the first carriage body.First carriage body 1 is one of close car body traction end, the first carriage body 1
Setting is fixed and is adapted to the first vehicle frame 3, and the second carriage body 2 is fixed with the second vehicle frame 4 and is adapted to setting.Wheel group 5 is mounted on
The bottom of two vehicle frames 3, support leg 6 are mounted on the bottom of the first vehicle frame 3.First carriage body 1 includes the first foreboard 11, the first side plate 12
With the first top plate 13, the first side plate 12 is fixed at 11 two sides of the first foreboard, and the first top plate 13 is fixed at the first foreboard
11 and first side plate 12 top.Second carriage body 2 includes two the second side plates 21, the second back plate positioned at 21 rear end of the second side plate
22 and the second top plate 23 positioned at 22 top of the second side plate 21 and the second back plate, the second side plate 21 is located at 12 inside of the first side plate,
Second top plate 23 is located at 13 lower section of the first top plate, i.e., entire first carriage body 1 and the second carriage body 2 suit form a complete van-type
Semitrailer.
As shown in figure 3, the interior Slideslip of the first side plate 12 is provided with several anticollision vertical beams 7, adjacent anticollision vertical beam 7 it
Between be hingedly provided with flexible rack 8, flexible rack 8 is located at the side (i.e. outside) close to the first side plate 12 of anticollision vertical beam 7, logical
It crosses flexible rack 8 several anticollision vertical beams 7 links together.Anticollision vertical beam 7 near the first foreboard 11 is fixedly mounted on
On first foreboard 11, the anticollision vertical beam 7 near the second side plate 21 is fixedly mounted on the second side plate 21.And all anticollisions
The inner surface of vertical beam 7 is concordant with the holding of the inner surface of the second side plate 21.As shown in figure 4, one on the bottom surface of the first top plate 13
First sliding groove 15 is offered, the top matching of anticollision vertical beam 7 is slidably arranged in first sliding groove 15.
As shown in figure 5, the first vehicle frame 3 includes two the first side frames 31, several first girders 32 and first crossbeam 33.First
Crossbeam 31 is located at the front end of two the first side frames 31, and is fixedly connected with two the first side frames 31.First girder 32 and first is horizontal
Beam 33 is vertical, and is distributed between two the first side frames 31.Second vehicle frame 4 include two the second side frames 41, several second
Girder 42 and several second cross beams 43；Several second cross beams 43 is fixedly connected with two the second side frames 41, and is located at two second
The rear end of side frame 41；Vertical second side frame 41 of second girder 42, and be distributed between two the second side frames 41；Wheel group 5
Positioned at the lower section of second cross beam 43, so that the front end that will not influence the second vehicle frame 4 is slided into the first vehicle frame 3.First girder 32
The alternate setting between the second girder 42.It is spaced apart on first side frame 31 and is equipped with the first limit pin hole 9, be spaced on the second side frame 41
The second limit pin hole 10 is offered, the first limit pin hole 9 matches in groups two-by-two with the second limit pin hole 10, realizes the first vehicle frame 3
Limit with the second vehicle frame 4 is fixed.
As shown in Figure 5 and Figure 6, the bottom of the first side frame 31 has been wholely set second sliding slot 16, the matching of 7 bottom end of anticollision vertical beam
It is slidably arranged in second sliding slot 16, cooperation top matches sliding in first sliding groove 15, realizes the folding of anticollision vertical beam 7 and beats
It opens.The inside of first side frame 31 offers third sliding slot 17, and the outside of the second side frame 41 is provided with third sliding block 18.First girder
32 two sides offer the 4th sliding slot 19, and the two sides of the second girder 42 are provided with Four-slider 20.Third sliding block 18 is
Matching sliding, Four-slider 20 match sliding in the 4th sliding slot 19 in three sliding slots 17, realize the second vehicle frame 4 and the first vehicle frame 3
Between adaptation sliding.Wherein, second sliding slot 16 is located at the bottom of the first side frame 31, and third sliding slot 17 is made to be located at second sliding slot 16
Top, will not stop influences the second side frame 41 slides in third sliding slot 17.
As shown in fig. 6, in order to further ensure the stationarity of the first vehicle frame 3 and the opposite sliding process of the second vehicle frame 4, the
The inside of two side frames 41 is also equipped with third sliding block 18, and third sliding block 18 matches and is slidably arranged in the 4th sliding slot adjacent thereto
In 19.
Closed-type semitrailer of the invention, length of wagon and cargocubic capacity adjustment process and principle are specific as follows:
According to required freight amount, due cargocubic capacity inside carriage body is calculated；It is calculated according to the cargocubic capacity
The length stretched out or protruded into relative to the first carriage body 1 to the second carriage body 2, needing to protrude into the first carriage body 1 as follows with the second carriage body 2 is
Example is illustrated, and the process of stretching is similar therewith.
Support leg 6 is fixedly supported on ground, keeps the first carriage body 1 and the first vehicle frame 3 fixed；To the second carriage body 2
Apply thrust, specially applies thrust to the second back plate 22, make third sliding block 18 and Four-slider 20 respectively in third sliding slot 17
And the interior matching sliding of the 4th sliding slot 19, thus protrude into the second vehicle frame 4 in first vehicle frame 3, meanwhile, drive the second carriage body 2 to protrude into
In first carriage body 1.Wherein, the second side plate 21 and the second top plate 23 are located at the inside of the first side plate 12 and the first top plate 13,
That is 2 sets of the second carriage body is in the first carriage body 1.During the second side plate 21 is slided into the first side plate 12, with second
The anticollision vertical beam 7 that side plate 21 is connected also moves, and simultaneous retractable rack 8 is compressed continuously folding, realizes that each anticollision is perpendicular
Beam 7 is continuous close to the first foreboard 11.When the second carriage body 2 is moved to the position of setting, stops pushing the second back plate 22, use
Spacer pin be inserted into it is fixed in the first limit pin hole 9 and the second limit pin hole 10, thus realize the first carriage body 1 and the first vehicle frame 3 with
Second carriage body 2 and the second vehicle frame 4 are fixedly connected.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (10)
1. a kind of closed-type semitrailer, it is characterised in that: including the first vehicle frame (3), be fixed on the support leg of the first vehicle frame (3) bottom
(6), the second vehicle frame (4) that setting is matched and slided with the first vehicle frame (3) is adapted to the first compartment of setting with the first vehicle frame (3)
Body (1) is adapted to the second carriage body (2) of setting with the second vehicle frame (4) and is adapted to the wheel group (5) of setting with the second vehicle frame (4)；Institute
It states and is provided with folding anticollision device, collision-prevention device on the inside of the first carriage body (1)；One end of anticollision device, collision-prevention device and the first carriage body (1) fixed company
It connects, the other end is fixedly connected with the second carriage body (2)；The surface of anticollision device, collision-prevention device is concordant with the inner surface of the second carriage body (2).
2. closed-type semitrailer according to claim 1, it is characterised in that: the anticollision device, collision-prevention device includes several anticollision vertical beams
(7) and flexible rack (8)；The flexible rack (8) is hingedly arranged in the side of anticollision vertical beam (7), by adjacent anticollision vertical beam
(7) it links together.
3. closed-type semitrailer according to claim 2, it is characterised in that: first carriage body (1) includes the first foreboard
(11), the first side plate (12) and the first top plate (13)；First side plate (12) is fixed at the first foreboard (11) two sides；Institute
State the top that the first top plate (13) is fixed at the first foreboard (11) and the first side plate (12)；Anticollision vertical beam (7) sliding
On the inside of the first side plate (12), the flexible rack (8) is located between anticollision vertical beam (7) and the first side plate (12) for setting.
4. closed-type semitrailer according to claim 3, it is characterised in that: second carriage body (2) includes two second side
Plate (21) is located at second back plate (22) of the second side plate (21) rear end and is located at the second side plate (21) and the second back plate (22) top
The second top plate (23)；Second side plate (21) is located on the inside of the first side plate (12), and with the second vehicle frame (4) with respect to the first vehicle
The sliding of frame (3), to the first foreboard (11) direction close to or far from；The anticollision vertical beam (7) adjacent with the first foreboard (11) is fixed
It installs on the first foreboard (11), the anticollision vertical beam (7) adjacent with the second side plate (21) is fixedly mounted on the second side plate (21).
5. closed-type semitrailer according to claim 4, it is characterised in that: the anticollision vertical beam (7) is far from flexible rack (8)
Side it is concordant with the inner surface of the second side plate (21).
6. closed-type semitrailer according to claim 3, it is characterised in that: first vehicle frame (3) includes two the first sides
Frame (31), several first girders (32) and first crossbeam (33)；The first crossbeam (33) is fixedly connected with two the first side frames
(31), and positioned at the front end of two the first side frames (31)；First girder (32) is distributed in two the first side frames (31)
Between.
7. closed-type semitrailer according to claim 6, it is characterised in that: the first top plate (13) bottom surface has been wholely set
First sliding groove (15), the first side frame (31) bottom have been wholely set second sliding slot (16)；The top of the anticollision vertical beam (7)
It matches and is slidably arranged in first sliding groove (15) and second sliding slot (16) respectively with low side, realize the folding of anticollision device, collision-prevention device and beat
It opens.
8. closed-type semitrailer according to claim 6, it is characterised in that: second vehicle frame (4) includes two second side
Frame (41), several second girders (42) and several second cross beams (43)；Several second cross beams (43) are fixedly connected with two
Second side frame (41), and it is located at the rear end of two the second side frames (41)；Second girder (42) is distributed in two second
Between side frame (41)；The wheel group (5) is located at the lower section of second cross beam (43).
9. closed-type semitrailer according to claim 8, it is characterised in that: offer third on the inside of first side frame (31)
Sliding slot (17) is provided with third sliding block (18) on the outside of second side frame (41)；It opens the two sides of first girder (32)
Equipped with the 4th sliding slot (19), the two sides of second girder (42) are provided with Four-slider (20)；The third sliding block (18) exists
Matching sliding in third sliding slot (17), Four-slider (20) matching sliding in the 4th sliding slot (19), realize the second vehicle frame (4) with
Adaptation sliding between first vehicle frame (3)；Alternate setting between first girder (32) and the second girder (42).
10. closed-type semitrailer according to claim 9, it is characterised in that: be spaced apart and be equipped on first side frame (31)
First limit pin hole (9) is spaced apart on second side frame (41) and is equipped with the second limit pin hole (10), first limit pin hole
(9) it is matched in groups two-by-two with the second limit pin hole (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811088334.3A CN109131573B (en) | 2018-09-18 | 2018-09-18 | Van-type semitrailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811088334.3A CN109131573B (en) | 2018-09-18 | 2018-09-18 | Van-type semitrailer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109131573A true CN109131573A (en) | 2019-01-04 |
| CN109131573B CN109131573B (en) | 2020-02-21 |
Family
ID=64814599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811088334.3A Expired - Fee Related CN109131573B (en) | 2018-09-18 | 2018-09-18 | Van-type semitrailer |
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Cited By (3)
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| CN111332371A (en) * | 2020-03-19 | 2020-06-26 | 泰州市佳洁环保科技有限公司 | High-safety damping environment-friendly foldable electric vehicle |
| CN112339863A (en) * | 2020-11-12 | 2021-02-09 | 西南大学 | Telescopic deformation vehicle body |
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| CN112339863A (en) * | 2020-11-12 | 2021-02-09 | 西南大学 | Telescopic deformation vehicle body |
| CN112339863B (en) * | 2020-11-12 | 2022-12-20 | 西南大学 | Telescopic deformation vehicle body |
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| CN109131573B (en) | 2020-02-21 |
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