Utility model content
The utility model lies in that a kind of semitrailer is provided, to solve the problems of the prior art.
In order to solve the above technical problems, the utility model adopts the following technical solution:
The utility model provides a kind of semitrailer, including:Front baffle is fixedly connected with container;Afterframe, including frame
Main body and the traction saddle being set in chassis body, the traction saddle are located proximate to the frame in the chassis body
The rear end of frame body;The chassis body is slidably matched with the front baffle, and glide direction is parallel to the length of the front baffle
Spend direction;Limiting device corresponds to preceding extreme position and the setting of rear extreme position of chassis body sliding, in the frame
When frame body slides into the two limit positions, the chassis body and the front baffle are locked;The chassis body is located at preceding pole
When extreme position, the afterframe is integrally contained in the front baffle, and afterframe upper surface is upper not higher than the front baffle
Surface;When the chassis body is located at rear extreme position, the rear end of the afterframe is stretched out from the rear end of the front baffle, described
Traction saddle expose to the front baffle and between the front baffle have it is longitudinally spaced, for pulling another semi-mounted
Vehicle.
Preferably, the afterframe further includes at least one set of suspension mechanism, and the suspension mechanism is set to the frame master
Body lower surface;And one of which suspension mechanism is located at the underface of the traction saddle.
Preferably, the suspension mechanism is two groups;One of which is located at the rear end of the chassis body and is led positioned at described
Draw the underface of saddle;Another group is located at the central region of the chassis body, and is located at rear limit position in the chassis body
When setting, this group of suspension mechanism is located at below the front baffle.
Preferably, the limiting device includes front limited block, rear limited block and cylinder positioning pin assembly;The front limited block
It is spaced apart along the length direction of the front baffle with the rear limited block, the cylinder positioning pin assembly is set to the after-frame
On frame;When the front limited block is fixed with cylinder positioning pin assembly, afterframe locking is located at by the limiting device
Preceding extreme position;When limited block is fixed with cylinder positioning pin assembly after described, the limiting device locks the afterframe
Due to rear extreme position.
Preferably, the front limited block is set to the head end of the front baffle, and the rear limited block is set to the front frame
The central region of frame, the cylinder positioning pin assembly are set to the head end of the chassis body.
Preferably, the tail end of the rear limited block is additionally provided with reinforcer;The reinforcer includes sequentially connected rectangular tube
And reinforcing plate.
Preferably, the front baffle includes the front baffle longeron of two parallel intervals;The upper surface of each front baffle longeron is used for
With the container welding;Each front baffle side rail inner is formed with sliding rail;Each front baffle longeron tail end is equipped with the first idler wheel assembly;
The chassis body includes the afterframe longeron of two parallel intervals;The rear portion of each afterframe longeron is respectively provided with a mounting plate, two institutes
Mounting plate is stated for fixing the traction saddle;The both sides of the chassis body head end are equipped with the second idler wheel assembly;The frame
Main body between the two front baffle longerons, with the first idler wheel assembly sliding match by the upper surface of the afterframe longeron
Close, the sliding rail of the second idler wheel assembly and the front baffle side rail inner is slidably matched so that the chassis body and
The front baffle being capable of opposite sliding.
Preferably, the front baffle longeron is angle steel, has a horizontal panel and extends straight down perpendicular to panel
Web;The lower end of the web is fixedly connected with track plates, and groove profile knot is formed between the track plates and the front baffle longeron
Structure, to constitute the sliding rail.
Preferably, the track plates are welded in the central region of the front baffle;The track plates are L-shaped, and the one of L-type
While fitting in the outer surface of the web, the another side of L-type forms the trench structure with the web, the panel;It is described
An at least supporting block is additionally provided on the outside of track plates, the supporting block encases the track plates and upwardly extends and the web
Welding.
Preferably, the chassis body is equipped with afterframe front beam, the second idler wheel in the front end of the two afterframe longerons
The end of frame front end beam in the rear is arranged in assembly;The front area of the chassis body is equipped with reinforcing beam;The reinforcing beam
It it is 4, what each reinforcing beam joined end to end and assumed diamond in shape successively is set between two afterframe longerons.
As shown from the above technical solution, it is with good effect the advantages of the utility model:The semitrailer of the utility model
Another semitrailer can be dismounted as needed by the traction saddle of afterframe, and front baffle and afterframe are in the length side of front baffle
It opposite can slide upwards, further through limiting device so that front baffle is fixed with afterframe;When a section container can meet loading
When the demand of amount, afterframe is integrally contained in front baffle, to avoid semitrailer it is long and caused by it is various inconvenient for use;Work as dress
When carrying capacity is larger, afterframe stretches out, and pulls another semitrailer;When needing handling goods, half pulled on afterframe is first dismantled
Trailer is loaded on another semitrailer for needing to pull, has saved the time of handling goods.The semitrailer of the utility model disclosure satisfy that
The needs of different useful loads save the time of handling goods, and easy to operate, easy to use.
Description of the drawings
Fig. 1 is the schematic diagram that the utility model semitrailer preferred embodiment does not install container;
Fig. 2 is the schematic diagram of the utility model semitrailer front baffle longeron and sliding rail preferred embodiment;
Fig. 3 is the utility model semitrailer front baffle longeron and sliding rail and the schematic diagram of support element preferred embodiment;
Fig. 4 is the vertical view of the utility model semitrailer chassis body preferred embodiment;
Fig. 5 is the enlarged diagram at A in Fig. 4;
Fig. 6 is the B direction views of Fig. 5;
Fig. 7 is the schematic diagram of the utility model closed-type semitrailer preferred embodiment;
Fig. 8 is the schematic diagram that the utility model closed-type semitrailer pulls another semitrailer.
Wherein, the reference numerals are as follows:1, semitrailer;11, front baffle;111, front baffle longeron;1111, panel;
1112, web;112, the first idler wheel assembly;113, track plates;114, supporting block;12, afterframe;121, chassis body;1211、
Afterframe longeron;1212, afterframe front beam;1213, the second idler wheel assembly;1214, reinforcing beam;1215, mounting plate;1216、
Afterframe back end beam;1217, crossbeam;122, saddle is drawn;123, suspension mechanism;131, front limited block;132, rear limited block;
133, cylinder positions pin assembly;134, reinforcer;1341, rectangular tube;1342, reinforcing plate;14, container;2, tractor;3, another
One semitrailer.
Specific implementation mode
Embodying the exemplary embodiment of the utility model features and advantages will describe in detail in the following description.It should be understood that
To be the utility model can have various variations in different embodiments, all do not depart from the model of the utility model
It encloses, and the descriptions and illustrations are essentially for illustration purposes, rather than to limit the utility model.
In order to further illustrate the principles of the present invention and structure, the preferred implementation in conjunction with attached drawing to the utility model
Example is described in detail.
- Fig. 8 refering to fig. 1, the utility model provide a kind of semitrailer 1, including:The front baffle being fixedly connected with container 14
11, the afterframe 12 of another semitrailer 3 and the limiting device 13 of fixed front baffle 11 and afterframe 12 can be pulled.Semitrailer 1 can
It is used alone, another semitrailer 3 can also be pulled, disclosure satisfy that the demand of different useful loads, and reduce and needing to go not
With local handling goods when wait for handling goods time.
Front baffle 11 includes the front baffle longeron 111 of two parallel intervals.The upper surface of each front baffle longeron 111 is used for and collection
14 welding of vanning.111 inside of each front baffle longeron is formed with sliding rail.Each 111 tail end of front baffle longeron is equipped with the first idler wheel assembly
112。
As shown in Fig. 2, front baffle longeron 111 is angle steel, vertically with horizontal panel 1111 and perpendicular to panel 1111
The web 1112 extended downwardly.In the present embodiment, two webs 1112 are located at outside.The lower end of web 1112 is fixedly connected with track
Plate 113 forms trench structure between track plates 113 and front baffle longeron 111, to constitute sliding rail.Specifically, track plates 113
L-shaped, the outer surface for fitting in web 1112 on one side of L-type, another side and web 1112, the panel 1111 of L-type form slot
Type structure.
While ensureing 113 support strength of track plates, to mitigate the weight of track plates 113 and then mitigating semitrailer 1
Weight, track plates 113 are set to the central region of front baffle 11.More preferably, the tail end of track plates 113 is provided with one by its upper table
The 111 inclined inclined-plane in bottom end direction of frame rails forward.In the utility model, the central region of front baffle 11 and before being not specific to
Center position on 11 length direction of frame, and refer to certain including 11 length direction center position of front baffle
The region of length range does not include 11 length direction both ends end of front baffle.
To enhance the support strength of track plates 113, reduce the deflection of track plates 113 in use, track plates 113
Outside be additionally provided with an at least supporting block 114.As shown in figure 3, supporting block 114 encases track plates 113 and upwardly extends and abdomen
Plate 1112 welds.In other embodiment, the installation position of track plates 113 and setting length can be set according to actual conditions,
As long as being slidably matched for afterframe 12 and front baffle 11 can be met.
Afterframe 12 includes chassis body 121 and the traction saddle 122 being set in chassis body 121.Draw saddle 122
The rear end for being located proximate to chassis body 121 in chassis body 121.
As shown in figure 4, before the afterframe longeron 1211 of chassis body 121 including two parallel intervals, afterframe longeron 1211
Between the afterframe front beam 1212 at end, the afterframe back end beam 1216 and afterframe longeron 1211 of 1211 rear end of afterframe longeron
Crossbeam 1217.The rear portion of each afterframe longeron 1211 is respectively provided with a mounting plate 1215, and two mounting plates 1215 are used for fixed traction
Saddle 122.
To enhance the intensity of chassis body 121, the front area of chassis body 121 is equipped with reinforcing beam 1214.This practicality is new
In type, the head end that the front area of chassis body 121 refers to chassis body 121 extends back the region of certain length range.Specifically
Ground, reinforcing beam 1214 are 4, what each reinforcing beam 1214 joined end to end and assumed diamond in shape successively be set to two afterframe longerons 1211 it
Between.In the present embodiment, diamond shape is symmetrical with the longitudinal centre line of chassis body 121.Each reinforcing beam 1214 by connecting plate with it is described
Chassis body 121 is welded to connect.
As shown in Figure 5 and Figure 6, the end set of afterframe front beam 1212 has the second idler wheel assembly 1213.Specifically,
The upper surface of second wheel assembly 1213 is higher than the upper surface of afterframe longeron 1211, and lower surface is less than under afterframe longeron 1211
Surface.
Together refering to fig. 1 and Fig. 4, in the present embodiment, when afterframe 12 coordinates with front baffle 11, the frame master of afterframe 12
Body 121 is located between two front baffle longerons 111 of front baffle 11, the upper surface of afterframe longeron 1211 and the first idler wheel assembly
112 are slidably matched, and the second idler wheel assembly 1213 and the sliding rail of 111 inside of front baffle longeron are slidably matched, so that frame master
Body 121 being capable of opposite sliding with front baffle 11
Limiting device includes front limited block 131, rear limited block 132 and cylinder positioning pin assembly 133.131 He of front limited block
Limited block 132 is spaced apart along the length direction of front baffle 11 afterwards, and cylinder positioning pin assembly 133 is set on afterframe 12.Before
Limited block 131, rear limited block 132 correspond respectively to preceding extreme position and the setting of rear extreme position of the sliding of chassis body 121, with
When chassis body 121 slides into the two limit positions, latch frame main body 121 and front baffle 11.Before chassis body 121 is located at
When extreme position, afterframe 12 is whole to be contained in front baffle 11, and 12 upper surface of afterframe is not higher than the upper table of front baffle 11
Face.When chassis body 121 is located at rear extreme position, the rear end of afterframe 12 is stretched out from the rear end of front baffle 11, draws saddle 122
Expose to front baffle 11 and between front baffle 11 have it is longitudinally spaced, for pulling another semitrailer 3.
Specifically, in the present embodiment, front limited block 131 is set to the head end of front baffle 11, before rear limited block 132 is set to
The central region of frame 11, cylinder positioning pin assembly 133 are set to the head end of chassis body 121.In other embodiment, front limit
The position of block 131, rear limited block 132 and cylinder positioning pin assembly 133 can be set according to actual needs, as long as limit before capable of meeting
When position block 131 is fixed with cylinder positioning pin assembly 133, the locking of afterframe 12 is located at preceding extreme position by limiting device;After limit
When block 132 is fixed with cylinder positioning pin assembly 133, the locking of afterframe 12 is located at rear extreme position by limiting device.
Tail end for the fastness of limited block after enhancing 132, rear limited block 132 is additionally provided with reinforcer 134.The present embodiment
In, reinforcer 134 includes sequentially connected rectangular tube 1341 and reinforcing plate 1342.In other embodiment, reinforcer 134 can be with
It sets according to actual needs.
Referring again to Fig. 1, afterframe 12 further includes at least one set of suspension mechanism 123, and suspension mechanism 123 is set to chassis body
The lower section of 121 lower surfaces, chassis body 121 is additionally provided with walking mechanism, by 123 connection framework main body 121 of suspension mechanism with
Walking mechanism.When afterframe 12 is slided relative to front baffle 11, walking mechanism is walked in bottom surface in order to the sliding of afterframe 12.
Specifically, in the present embodiment, suspension mechanism 123 is two groups.One of which is located at the rear end of chassis body 121 and position
In the underface of traction saddle 122;Another group is located at the central region of chassis body 121, and is located at rear pole in chassis body 121
When extreme position, this group of suspension mechanism 123 is located at 11 lower section of front baffle, for providing support to front baffle 11.In other embodiment,
The quantity of suspension mechanism 123 and position can be set as needed, as long as ensureing that one of which suspension mechanism 123 is located at traction saddle
The underface of seat 122.
Refering to Fig. 7 and Fig. 8, in one embodiment, the semitrailer 1 of the utility model is closed-type semitrailer, front baffle
11 form integral structure with the welding of container 14, and front baffle 11 is generally located at the lower section of 14 latter half of container, container
14 front end is mounted on tractor 2, is drawn and is transported by tractor 2;The traction saddle 122 of afterframe 12 can be used for pulling another
Closed-type semitrailer.
As shown in fig. 7, when without pulling another semitrailer 3, chassis body 121 is slid into preceding extreme position, after-frame
Frame 12 is whole to be contained in front baffle 11, and front limited block 131 and cylinder positioning pin assembly 133 are locked and fixed frame
Main body 121 and front baffle 11.
As shown in figure 8, when needing to pull another semitrailer 3, releases front limited block 131 and position pin assembly 133 with cylinder
Fixation, chassis body 121 is slid into rear extreme position, and rear limited block 132 and cylinder positioning pin assembly 133 are locked
Determine and fixed frame main body 121 and front baffle 11, draws saddle 122 at this time and expose to front baffle 11 and have between front baffle 11
Have it is longitudinally spaced, by draw saddle 122 pull another semitrailer 3.
When needing replacing the semitrailer pulled, the semitrailer pulled on afterframe 12 is first dismantled, another semi-mounted is loaded on
Vehicle.
As shown from the above technical solution, it is with good effect the advantages of the utility model:The semitrailer of the utility model
Another semitrailer can be dismounted as needed by the traction saddle of afterframe, and front baffle and afterframe are in the length side of front baffle
It opposite can slide upwards, further through limiting device so that front baffle is fixed with afterframe;When a section container can meet loading
When the demand of amount, afterframe is integrally contained in front baffle, to avoid semitrailer it is long and caused by it is various inconvenient for use;Work as dress
When carrying capacity is larger, afterframe stretches out, and pulls another semitrailer;When needing handling goods, half pulled on afterframe is first dismantled
Trailer is loaded on another semitrailer for needing to pull, has saved the time of handling goods.The semitrailer of the utility model disclosure satisfy that
The needs of different useful loads save the time of handling goods, and easy to operate, easy to use.
The preferable possible embodiments that these are only the utility model not limit the scope of protection of the utility model, all fortune
With the equivalent structure variation made by the utility model specification and accompanying drawing content, it is all contained in the scope of protection of the utility model
It is interior.