CN210882320U - Framework semi-trailer - Google Patents
Framework semi-trailer Download PDFInfo
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- CN210882320U CN210882320U CN201921970055.XU CN201921970055U CN210882320U CN 210882320 U CN210882320 U CN 210882320U CN 201921970055 U CN201921970055 U CN 201921970055U CN 210882320 U CN210882320 U CN 210882320U
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- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
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Abstract
The utility model provides a skeleton semitrailer, include: the main frame is provided with two side-by-side crossbeams and mounting beams respectively arranged below the crossbeams; a plurality of groups of limiting holes are formed in two opposite side plates of the mounting beam at intervals along the longitudinal direction; the auxiliary frame comprises two longitudinal beams which are arranged side by side and mounting seats which are respectively arranged at the front end and the rear end of each longitudinal beam; four fastening units provided corresponding to the four mounting seats of the subframe; the two limiting rods are respectively positioned on the front side and the rear side of the auxiliary frame, so that the front side and the rear side of the auxiliary frame are limited to move up and down. Therefore, the fastening unit is arranged on the outer side of the auxiliary frame to fasten the auxiliary frame, and the interference on the sliding of the auxiliary frame caused by the fact that the fastening unit is arranged on the inner side is avoided; and the gag lever post has avoided leading to the fact and has interfered with the gas circuit structure from the inside process of sub vehicle frame.
Description
Technical Field
The utility model relates to a semitrailer haulage vehicle technical field, in particular to skeleton semitrailer.
Background
With the rise of the transportation industry, the mode of transportation by means of containers is more and more favored by people. The skeleton type semitrailer is used as a main carrier of a container in the road transportation process, and the application of the skeleton type semitrailer is more and more extensive. The framework vehicle with the sliding type auxiliary frame has the function of adjusting the wheel base so as to realize the maximization of load. The main frame of the skeleton vehicle is positioned at the front part of the vehicle body, and the auxiliary frame is relatively positioned at the rear part of the vehicle body. But the sub vehicle frame is longitudinal sliding for the main frame through self guide structure to adjust the wheelbase between the rear wheel axle for the tractor front wheel in a flexible way, thereby realize the regulation of semitrailer vehicle load, satisfy the functional demand of the container of the different specifications of transportation.
The auxiliary frame of the skeleton car on the market at present generally adopts four lockpin formula locking structures to be fixed with the main frame. The lock pins of the locking structure need to be arranged in a front group and a rear group, and the two groups of lock pins need to be linked through a transmission rod penetrating through the middle of the frame. The transmission rod can also easily cause the interference arrangement difficulty of the air path structure, and the difficulty of the arrangement of the transmission rod in a frame with longer longitudinal length is further increased for a semitrailer with longer wheelbase. Furthermore, existing components for mounting the fixed lock pin, such as lock boxes, which interfere with the sliding main frame and telescopic frame structure of the subframe, are generally disposed on the inner side of the frame.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a skeleton semitrailer to solve among the prior art subframe of skeleton car generally adopt four lockpin formula locking structures the problem of interfering with the gas circuit structure that leads to easily.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a skeletal semitrailer, comprising: the main frame is provided with two side-by-side crossbeams and mounting beams respectively arranged below the crossbeams; the mounting beam comprises a top plate, side plates bent downwards from the outer side of the top plate and flanges bent outwards from the bottoms of the side plates, the top plate is fixedly attached to the lower end of the girder, and a plurality of groups of limiting holes are formed in the two opposite side plates at intervals along the longitudinal direction; the auxiliary frame comprises two longitudinal beams which are arranged side by side and mounting seats which are respectively arranged at the front end and the rear end of each longitudinal beam; the two longitudinal beams are accommodated between the two side plates, one end of the mounting seat extends out of the outer sides of the side plates and forms a mounting surface, and the mounting surface is provided with a bolt hole; four fastening units provided corresponding to the four mounting seats of the subframe; each fastening unit comprises a fastening plate and a lap joint edge which are bent integrally, the lap joint edge is lapped on the upper surface of the flanging of the mounting beam, and the fastening plate is attached and fixed on the corresponding mounting surface of the mounting seat through the bolt hole and an adaptive fastener; the two limiting rods are inserted into the two limiting holes opposite to the side plates and detachably connected with the side plates, and the two limiting rods are respectively positioned on the front side and the rear side of the auxiliary frame so as to limit the front side and the rear side of the auxiliary frame to move up and down.
According to an embodiment of the present invention, the mounting base has a straight plate connected to the longitudinal beam and a mounting plate bent vertically downward from an outer side of the straight plate; the mounting plate is located below the flanging and outwards exceeds the outer side edge of the flanging, and the outer side face of the mounting plate is the mounting face.
According to an embodiment of the present invention, one end of the limiting rod is further connected to a limiting plate, and the limiting plate is further provided with a protruding stop member; the limiting rod with the stop part is located the same one side of limiting plate, just the limiting rod with distance between the stop part is two adjacent the interval in spacing hole, the limiting plate is located the outside of curb plate, the limiting rod inserts in a spacing hole, the stop part stretches into through another adjacent spacing hole the inboard and horizontal spacing of curb plate.
According to an embodiment of the present invention, the stopper comprises a connection section vertically connected to the stopper plate and a rotation section hinged on the connection section; when the rotating section rotates to be parallel to the connecting section, the rotating section can penetrate through the limiting hole; when the rotating section rotates to be perpendicular to the connecting section, two ends of the rotating section in the vertical direction respectively exceed the upper side and the lower side of the limiting hole and can be limited transversely.
According to the utility model discloses an embodiment, the limiting plate deviates from still be equipped with the handle on one side of gag lever post.
According to an embodiment of the present invention, the subframe further comprises bending beams respectively disposed at the front and rear ends of the longitudinal beam; the bending cross beam is connected with the two longitudinal beams and provided with an upper baffle plate extending out along the horizontal direction, the upper baffle plate is located above the limiting rod, and when the auxiliary frame moves downwards, the upper baffle plate is abutted against the limiting rod to prevent the auxiliary frame from further moving downwards to separate from the main frame.
According to an embodiment of the present invention, the longitudinal beam includes a web, and an upper flange plate and a lower flange plate bent and extended from the upper end and the lower end of the web to the same side, the front end and the rear end of the web are respectively provided with a notch, and the notch is close to the upper flange plate; the crossbeam of bending accepts respectively along horizontal both ends to be fixed in that two webs are relative in the breach, the crossbeam of bending is including consecutive first riser, horizontal plate and the second riser of bending, first riser the opening that horizontal plate and second riser enclose to close formation up, first riser and second riser be vertical form and with it is fixed to go up the flange connection, the overhead gage by the upper end of horizontal plate is bent and is formed to the horizontal direction extension.
According to an embodiment of the present invention, the bending device further comprises side guide units respectively disposed on both end portions of each of the bending beams; the side guide unit is provided with a smooth guide surface, the guide surface protrudes out of the outer side of the longitudinal beam and is abutted against the inner side of the girder to form sliding fit.
According to an embodiment of the present invention, each of the side guide units includes a connection cover plate and a guide channel; the connecting cover plate covers the opening, the connecting cover plate, the first vertical plate, the second vertical plate and the horizontal plate jointly enclose to form an installation cavity, and the upper surface of the connecting cover plate and the lower surface of the upper flange plate, which exceeds the gap, are welded and fixed; the direction channel-section steel is acceptd in the installation cavity, the direction channel-section steel have two relative rectangular boards and respectively with rectangular board bends the continuous short slab, two rectangular board respectively with the inboard laminating of first riser and second riser, the short slab is little outstanding in the installation cavity, the short slab expose in the surface of installation cavity is the spigot surface.
According to an embodiment of the present invention, the girder includes an upper wing plate, a lower wing plate, and a web plate vertically connecting the upper wing plate and the lower wing plate, the top plate of the mounting beam is fixedly attached to the lower wing plate, and the outer side of the top plate exceeds the outer side of the lower wing plate; the main frame further comprises a plurality of groups of reinforcing ribs which are arranged on the outer sides of the girders at intervals along the longitudinal direction, each pair of two reinforcing ribs are respectively arranged on the two girders, and the upper ends and the lower ends of the reinforcing ribs are respectively connected and fixed with the web plate and the upper end of the top plate exceeding the lower wing plate.
According to the above technical scheme, the utility model provides a pair of skeleton semitrailer has following advantage and positive effect at least:
the framework semi-trailer improves the structure for locking and limiting the auxiliary frame, and the new fastening unit and the limiting rod can avoid interference with the gas circuit structure inside the frame so as to flexibly adjust the axle distance of the semi-trailer. Specifically, mounting beams are hung below a crossbeam of the main frame, and a plurality of groups of limiting holes are formed in side plates of the two mounting beams at intervals along the axial direction. The longitudinal beam of the auxiliary frame is accommodated between the two side plates, the front end and the rear end of the longitudinal beam are respectively provided with a mounting seat for mounting the fastening unit, and the mounting seat is positioned on the outer side of the longitudinal beam. The four fastening units are arranged on the four mounting seats of the auxiliary frame in a one-to-one correspondence mode, and are fixed on the mounting seats through bolt holes in an attaching mode from the outer side, so that the auxiliary frame is locked and fixed on the main frame. Further, two stopper rods are inserted through the stopper holes of the opposite side plates to be positioned at the front and rear sides of the subframe, thereby limiting the vertical and longitudinal displacement of the subframe. Therefore, the fastening unit is arranged on the outer side of the auxiliary frame to fasten the auxiliary frame, and the interference on the sliding of the auxiliary frame caused by the fact that the fastening unit is arranged on the inner side is avoided; and the limiting rods respectively and independently realize the limitation of the displacement of the auxiliary frame in the vertical direction and the longitudinal direction, so that the interference with the air channel structure caused by the passing of the auxiliary frame from the inside is avoided.
Drawings
Fig. 1 is the utility model discloses in the embodiment overall structure schematic diagram of skeleton semitrailer.
Fig. 2 is a schematic structural view of the main frame in the embodiment of the present invention.
Fig. 3 is a schematic structural diagram of the auxiliary frame in the embodiment of the present invention.
Fig. 4 is a schematic view of the connection between the main frame and the sub-frame in the embodiment of the present invention.
Fig. 5 is a schematic structural view of a limiting rod according to an embodiment of the present invention.
Fig. 6 is a schematic structural view of the bending beam in the embodiment of the present invention.
Fig. 7 is a schematic structural view of a fastening unit and a side guide unit in an embodiment of the present invention.
The reference numerals are explained below: 100-framework semi-trailer, 1-main frame, 11-girder, 111-upper wing plate, 112-lower wing plate, 113-web plate, 12-mounting beam, 121-top plate, 122-side plate, 123-flanging, 13-limiting hole, 14-reinforcing rib, 2-auxiliary frame, 21-longitudinal beam, 211-upper wing edge plate, 212-lower wing edge plate, 213-web plate, 22-notch, 23-mounting seat, 231-straight plate, 232-mounting plate, 24-bending cross beam, 241-first vertical plate, 242-horizontal plate, 243-second vertical plate, 244-upper baffle plate, 245-mounting cavity, 3-fastening unit, 31-fastening plate, 32-overlapping edge, 33-bolt piece, 41-limiting rod, 42-limiting plate, 43-stop, 431-connecting section, 432-rotating section, 44-handle, 5-side guide unit, 51-guide surface, 52-connecting cover plate and 53-guide channel.
Detailed Description
Exemplary embodiments that embody features and advantages of the present invention will be described in detail in the following description. It is to be understood that the invention is capable of other and different embodiments and its several details are capable of modification without departing from the scope of the invention, and that the description and drawings are to be regarded as illustrative in nature and not as restrictive.
The skeleton semitrailer that this embodiment provided mainly used container semitrailer, its design primary function makes the axletree of vehicle can follow the longitudinal forward and backward adjustment of vehicle through each mechanism collaborative work, realizes the load maximize through the adjustment of wheel base, guarantees the security simultaneously.
Referring to fig. 1, the framework semitrailer 100 mainly includes a main frame 1, an auxiliary frame 2, four fastening units 3, two limiting rods 41, and four side guide units 5.
The main frame 1 is connected with a trailer through a traction pin, and the locking devices arranged at four corners of the main frame 1 are used for fixing a container to realize the loading function of the container. The auxiliary frame 2 is arranged below the main frame 1, and the main function of the auxiliary frame is to integrate a running mechanism of a vehicle, and the auxiliary frame comprises an axle steel rim tire and a related air path part. The four fastening units 3 are correspondingly disposed at four corners of the subframe 2, respectively, so as to lock the main frame 2 and the subframe 2. The two limit rods 41 are used to limit the longitudinal displacement of the subframe 2. The four side guide units 5 are also respectively and correspondingly arranged at four corners of the auxiliary frame 2, so that the auxiliary frame 2 is ensured to smoothly slide and be positioned in the main frame 1.
Referring to fig. 2, the main frame 1 includes two side-by-side crossbeams 11, mounting beams 12 respectively disposed below the crossbeams 11, and a plurality of sets of reinforcing ribs 14.
The girder 11 is an i-beam including an upper wing plate 111, a lower wing plate 112, and a web 113 vertically connecting the upper wing plate 111 and the lower wing plate 112.
The mounting beam 12 has a bent structure, and includes a top plate 121, a side plate 122 bent downward from the outside of the top plate 121, and a flange 123 bent outward from the bottom of the side plate 122. The top plate 121 is fixedly attached to the lower wing plate 112 of the girder 11, and the outer side of the top plate 121 extends beyond the outer side of the lower wing plate 112. A plurality of sets of limiting holes 13 are formed on the two opposite side plates 122 at intervals along the longitudinal direction to match with the limiting rods 41.
The reinforcing ribs 14 are arranged on the girders 11 at intervals along the longitudinal direction, and the two reinforcing ribs 14 of each group are correspondingly arranged on the two girders 11 respectively. The reinforcing ribs 14 are located outside the girder 11. The reinforcing rib 14 is substantially in the shape of a right triangle, and one right-angle side of the reinforcing rib 14 is welded to the web 113, and the other right-angle side is welded to the upper end of the top plate 121.
Referring to fig. 3, the subframe 2 includes two side-by-side longitudinal beams 21, four mounting seats 23 respectively disposed at front and rear ends of each longitudinal beam 21, and two bent cross beams 24 respectively disposed at front and rear ends of each longitudinal beam 21.
The longitudinal beam 21 is a half i-beam 11, and includes a web 213, and an upper flange plate 211 and a lower flange plate 212 bent and extended from the upper and lower ends of the web 213 to the same side, and the front and rear ends of the web 213 each have a notch 22. The notch 22 is adjacent to the upper flange plate 211 and communicates with the upper end surface of the upper flange plate 211. The side members 21 are accommodated between the side plates 122 of the main frame 1 to be restrained inside the main frame 1, so that the sub-frame 2 can only slide longitudinally to adjust the wheelbase between the axle and the kingpin.
The mounting seat 23 is located outside the web 213 of the stringer 21, near the lower end. Specifically, the mount 23 has a straight plate 231 vertically connected to the web 213 and a mount plate 232 bent vertically downward from the outer side of the straight plate 231. The mounting plate 232 is located below the flange 123 and extends slightly outwardly beyond the outer edge of the flange 123. The outer side surface of the mounting plate 232 is a mounting surface, and the mounting surface is provided with bolt holes for bolt connection to the fastening unit 3.
Referring to fig. 4, the fastening units 3 are disposed corresponding to the mounting seats 23.
The fastening unit 3 has a size close to that of the mounting plate 232. The fastening unit 3 includes a fastening plate 31 and a overlapping edge 32 bent integrally. The fastening plate 31 is vertical. The overlapping edge 32 overlaps and adheres to the upper end face of the flange 123, and the fastening plate 31 is also adhered and fixed to the mounting face through bolt holes and adaptive bolt pieces 33, so that four corners of the subframe 2 are fixed to the main frame 1, the position of the subframe 2 in the vertical direction is limited, and the main frame 2 and the subframe 2 cannot be separated from each other in the vertical direction.
Referring to fig. 5, two stop rods 41 are detachably connected to the main frame 1 and are respectively located at the front and rear sides of the subframe 2, so as to limit the longitudinal displacement of the subframe 2 when the pin-base distance is adjusted.
Specifically, the length of each stopper rod 41 is substantially the same as the width of the subframe 2 in the lateral direction. The limiting rod 41 is used for being inserted into the limiting holes 13 opposite to the two side plates 122, and the rod body part of the limiting rod 41 located between the side plates 122 can be abutted against the front end or the rear end of the auxiliary frame 2 for longitudinal limiting.
One end of the limiting rod 41 is further connected with a limiting plate 42, and a stopping part 43 is further arranged on the limiting plate 42 in a protruding mode.
The position-limiting plate 42 is elongated and has a longitudinal direction. The limiting rod 41 and the stop piece 43 are positioned on the same side of the limiting plate 42, and the longitudinal distance between the limiting rod 41 and the stop piece 43 is the distance between two adjacent limiting holes 13. When the limiting rod 41 is actually installed, the limiting plate 42 is located at the outer side of the side plate 122, the limiting rod 41 is inserted into one limiting hole 13, and the stop member 43 extends into the inner side of the side plate 122 through another adjacent limiting hole 13 and is transversely limited. A handle 44 is further provided on the side of the limit plate 42 facing away from the limit rod 41.
Specifically, the stopper 43 includes a connection segment 431 vertically connected to the limit plate 42 and a rotation segment 432 hinged on the connection segment 431. When the rotating section 432 is rotated to be parallel to the connecting section 431, it can pass through the limiting hole 13. When the rotating section 432 is already positioned at the inner side of the side plate 122, the rotating section 432 can be rotated to be perpendicular to the connecting section 431, and at this time, two ends of the rotating section 432 in the vertical direction respectively exceed the upper side and the lower side of the limiting hole 13 to be capable of limiting transversely.
Referring to fig. 6 and 7, the two ends of the bent beam 24 in the transverse direction are respectively received and fixed in the notches 22 of the two longitudinal beams 21 opposite to the web 213. The bending cross member 24 has an upper stopper 244 extending in the horizontal direction, the upper stopper 244 is located above the stopper rod 41, and when the subframe 2 moves downward, the upper stopper 244 abuts against the stopper rod 41 to prevent the subframe 2 from moving downward in the vertical direction and separating from the main frame 1.
Specifically, the bending beam 24 includes a first vertical plate 241, a horizontal plate 242, and a second vertical plate 243 which are connected in turn by bending. The opening that first riser 241, horizontal plate 242 and second riser 243 enclose to close and form is up, and first riser 241 and second riser 243 are vertical form and are connected fixedly with last flange board 211, and last baffle 244 is formed to the horizontal direction extension by the upper end bending of horizontal plate 242.
And the both side guide units 5 are respectively provided on both end portions of each bent beam 24 to ensure smooth sliding of the subframe 2 in the longitudinal direction with respect to the main frame 1. The side guide unit 5 has a smooth guide surface 51, the guide surface 51 protruding outside the side member 21 and abutting against and sliding-fitting with the inside of the girder 11.
Each side guide unit 5 includes a connection cover plate 52 and a guide channel 53.
The connecting cover plate 52 covers the opening of the bending cross beam 24, the connecting cover plate 52, the first vertical plate 241, the second vertical plate 243 and the horizontal plate 242 together enclose a mounting cavity 245, and the upper surface of the connecting cover plate 52 and the lower surface of the upper flange plate 211 exceeding the notch 22 are welded and fixed.
The guide channel 53 is housed in the mounting cavity 245. The guide channel 53 has two opposite long strips and short strips respectively connected with the long strips in a bending manner, the two long strips are respectively attached to the inner sides of the first vertical plate 241 and the second vertical plate 243, the short strips slightly protrude out of the installation cavity 245, and the surfaces of the short strips exposed out of the installation cavity 245 are guide surfaces 51.
In conclusion, the framework semitrailer 100 provided by the embodiment has the following advantages and positive effects:
this skeleton semitrailer 100 has improved the structure that is used for locking and spacing sub vehicle frame 2, and fastening unit 3 and gag lever post 41 after the improvement can avoid interfering with the inside gas circuit structure of frame to realize the nimble adjustment of the axletree wheelbase of semitrailer. Specifically, mounting beams 12 are hung below a girder 11 of the main frame 1, and a plurality of sets of limiting holes 13 are axially spaced on side plates 122 of the two mounting beams 12. The side member 21 of the subframe 2 is accommodated between the side plates 122, and the front and rear ends of the side member 21 are provided with mounting seats 23 for mounting the fastening units 3, respectively, and the mounting seats 23 are located outside the side member 21. The four fastening units 3 are correspondingly arranged on the four mounting seats 23 of the auxiliary frame 2 one by one, and each fastening unit 3 is attached and fixed to the mounting seat 23 through a bolt hole from the outer side, so that the auxiliary frame 2 is locked and fixed on the main frame 1. Further, two stopper rods 41 are inserted through the stopper holes 13 of the opposite side plates 122 to be positioned at the front and rear sides of the subframe 2, thereby restricting the displacement of the subframe 2 in the vertical direction and the longitudinal direction. In this way, the fastening unit 3 is arranged on the outer side of the subframe 2 to fasten the subframe 2, so that interference caused by the fact that the fastening unit is located on the inner side to slide the subframe 2 is avoided; the limiting rods 41 respectively and independently limit the longitudinal displacement of the auxiliary frame 2 in the front and back directions, and interference with an air path structure caused by passing through the auxiliary frame 2 is avoided.
While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.
Claims (10)
1. A skeleton semitrailer, comprising:
the main frame is provided with two side-by-side crossbeams and mounting beams respectively arranged below the crossbeams; the mounting beam comprises a top plate, side plates bent downwards from the outer side of the top plate and flanges bent outwards from the bottoms of the side plates, the top plate is fixedly attached to the lower end of the girder, and a plurality of groups of limiting holes are formed in the two opposite side plates at intervals along the longitudinal direction;
the auxiliary frame comprises two longitudinal beams which are arranged side by side and mounting seats which are respectively arranged at the front end and the rear end of each longitudinal beam; the two longitudinal beams are accommodated between the two side plates, one end of the mounting seat extends out of the outer sides of the side plates and forms a mounting surface, and the mounting surface is provided with a bolt hole;
four fastening units provided corresponding to the four mounting seats of the subframe; each fastening unit comprises a fastening plate and a lap joint edge which are bent integrally, the lap joint edge is lapped on the upper surface of the flanging of the mounting beam, and the fastening plate is attached and fixed on the corresponding mounting surface of the mounting seat through the bolt hole and an adaptive fastener;
the two limiting rods are inserted into the two limiting holes opposite to the side plates and detachably connected with the side plates, and the two limiting rods are respectively positioned on the front side and the rear side of the auxiliary frame so as to limit the front side and the rear side of the auxiliary frame to move up and down.
2. The skeletal semitrailer of claim 1, wherein:
the mounting seat is provided with a straight plate connected to the longitudinal beam and a mounting plate which is vertically bent downwards from the outer side of the straight plate;
the mounting plate is located below the flanging and outwards exceeds the outer side edge of the flanging, and the outer side face of the mounting plate is the mounting face.
3. The skeletal semitrailer of claim 1, wherein:
one end of the limiting rod is also connected with a limiting plate, and a stop piece is also arranged on the limiting plate in a protruding mode;
the limiting rod with the stop part is located the same one side of limiting plate, just the limiting rod with distance between the stop part is two adjacent the interval in spacing hole, the limiting plate is located the outside of curb plate, the limiting rod inserts in a spacing hole, the stop part stretches into through another adjacent spacing hole the inboard and horizontal spacing of curb plate.
4. The skeletal semitrailer of claim 3, wherein:
the stop piece comprises a connecting section vertically connected to the limiting plate and a rotating section hinged to the connecting section;
when the rotating section rotates to be parallel to the connecting section, the rotating section can penetrate through the limiting hole; when the rotating section rotates to be perpendicular to the connecting section, two ends of the rotating section in the vertical direction respectively exceed the upper side and the lower side of the limiting hole and can be limited transversely.
5. The skeletal semitrailer of claim 3, wherein:
and a handle is further arranged on one side of the limiting plate, which deviates from the limiting rod.
6. The skeletal semitrailer of claim 1, wherein:
the auxiliary frame also comprises bending cross beams which are respectively arranged at the front end and the rear end of the longitudinal beam;
the bending cross beam is connected with the two longitudinal beams and provided with an upper baffle plate extending out along the horizontal direction, the upper baffle plate is located above the limiting rod, and when the auxiliary frame moves downwards, the upper baffle plate is abutted against the limiting rod to prevent the auxiliary frame from further moving downwards to separate from the main frame.
7. The skeletal semitrailer of claim 6, wherein:
the longitudinal beam comprises a web plate, an upper flange plate and a lower flange plate, wherein the upper flange plate and the lower flange plate are bent and extended from the upper end and the lower end of the web plate to the same side;
the crossbeam of bending accepts respectively along horizontal both ends to be fixed in that two webs are relative in the breach, the crossbeam of bending is including consecutive first riser, horizontal plate and the second riser of bending, first riser the opening that horizontal plate and second riser enclose to close formation up, first riser and second riser be vertical form and with it is fixed to go up the flange connection, the overhead gage by the upper end of horizontal plate is bent and is formed to the horizontal direction extension.
8. The skeletal semitrailer of claim 7, wherein:
the bending device also comprises side guide units which are respectively arranged on two end parts of each bending cross beam;
the side guide unit is provided with a smooth guide surface, the guide surface protrudes out of the outer side of the longitudinal beam and is abutted against the inner side of the girder to form sliding fit.
9. The skeletal semitrailer of claim 8, wherein:
each side guide unit comprises a connecting cover plate and a guide channel steel;
the connecting cover plate covers the opening, the connecting cover plate, the first vertical plate, the second vertical plate and the horizontal plate jointly enclose to form an installation cavity, and the upper surface of the connecting cover plate and the lower surface of the upper flange plate, which exceeds the gap, are welded and fixed;
the direction channel-section steel is acceptd in the installation cavity, the direction channel-section steel have two relative rectangular boards and respectively with rectangular board bends the continuous short slab, two rectangular board respectively with the inboard laminating of first riser and second riser, the short slab is little outstanding in the installation cavity, the short slab expose in the surface of installation cavity is the spigot surface.
10. The skeletal semitrailer of claim 1, wherein:
the crossbeam comprises an upper wing plate, a lower wing plate and a web plate vertically connecting the upper wing plate and the lower wing plate, a top plate of the mounting beam is fixedly attached to the lower wing plate, and the outer side of the top plate exceeds the outer side of the lower wing plate;
the main frame further comprises a plurality of groups of reinforcing ribs which are arranged on the outer sides of the girders at intervals along the longitudinal direction, each pair of two reinforcing ribs are respectively arranged on the two girders, and the upper ends and the lower ends of the reinforcing ribs are respectively connected and fixed with the web plate and the upper end of the top plate exceeding the lower wing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921970055.XU CN210882320U (en) | 2019-11-14 | 2019-11-14 | Framework semi-trailer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921970055.XU CN210882320U (en) | 2019-11-14 | 2019-11-14 | Framework semi-trailer |
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| CN210882320U true CN210882320U (en) | 2020-06-30 |
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| CN201921970055.XU Expired - Fee Related CN210882320U (en) | 2019-11-14 | 2019-11-14 | Framework semi-trailer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112158261A (en) * | 2020-09-23 | 2021-01-01 | 福建省闽铝轻量化汽车制造有限公司 | Full-assembly type aluminum alloy frame assembly |
-
2019
- 2019-11-14 CN CN201921970055.XU patent/CN210882320U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112158261A (en) * | 2020-09-23 | 2021-01-01 | 福建省闽铝轻量化汽车制造有限公司 | Full-assembly type aluminum alloy frame assembly |
| CN112158261B (en) * | 2020-09-23 | 2021-12-31 | 福建省闽铝轻量化汽车制造有限公司 | Full-assembly type aluminum alloy frame assembly |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201222 Address after: 523208 Jinwo section of Shuixiang Avenue, Wangniudun Town, Dongguan City, Guangdong Province Patentee after: DONGGUAN CIMC SPECIAL VEHICLE Co.,Ltd. Patentee after: Zhongji Vehicle (Group) Co.,Ltd. Address before: 523208 Jinwo section of Shuixiang Avenue, Wangniudun Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN CIMC SPECIAL VEHICLE Co.,Ltd. Patentee before: CHINA INTERNATIONAL MARINE CONTAINERS (GROUP) Ltd. Patentee before: Zhongji Vehicle (Group) Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200630 |