CN212172034U

CN212172034U - Flat-bed semi-trailer

Info

Publication number: CN212172034U
Application number: CN202020941642.2U
Authority: CN
Inventors: 宫传伦; 吴艳红
Original assignee: Bengbu Gongchi Special Purpose Vehicle Manufacturing Co ltd
Current assignee: Anhui gongchi Co.,Ltd.
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2020-12-18
Anticipated expiration: 2030-05-28

Abstract

The utility model relates to a flat-bed semi-trailer, including lower loading board and the last loading board that is used for supporting the goods, loading board length direction's both ends are rotated respectively down and are installed the pivot, the pivot extends the setting along loading board length direction under the perpendicular to on the horizontal plane, the both ends difference fixedly connected with swinging arms of pivot, the swinging arms perpendicular to pivot, go up the loading board lower extreme and be located its width direction's both sides and seted up the spout respectively, the spout extends the setting along being on a parallel with last loading board width direction, the swinging arms is kept away from the one end of pivot and is articulated to have the slider, the articulated axis of slider is on a parallel with the axis of pivot, the slider slides and inlays and locates in the spout, be provided with relative or back of the body pivoted drive unit between the. The utility model discloses have and adopt upper and lower bearing plate structure to through the lift of last bearing plate, realize can double placing the goods, and then promote freight efficiency.

Description

Flat-bed semi-trailer

Technical Field

The utility model belongs to the technical field of the technique of freight train and specifically relates to a flat-bed semi-trailer is related to.

Background

Truck, refers to an automobile used mainly for transporting goods.

The current general freight train, including locomotive and semitrailer, semitrailer can dismantle the rear end of connecting in the locomotive, and the semitrailer will be treated the goods of transporting and arrange the pallet in on including supporting in the tire on ground and setting up in the pallet of tire top, starts the freight train, realizes the purpose of transporting goods.

The above prior art solutions have the following drawbacks:

when actual transportation goods, the goods are mostly stacked and placed on the loading plate, but to the goods of easy pressurized damage, can't stack and place in on the loading plate, cause the freight train at every turn the freight volume reduce, influence the conveying efficiency of freight train.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a flat-bed trailer adopts upper and lower bearing plate structure to through the lift of last bearing plate, realize can double placing the goods, and then promote freight efficiency.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a flatbed semitrailer, is including lower loading board and the last loading board that is used for supporting the goods, loading board length direction's both ends are rotated respectively down and are installed the pivot, the setting is extended along loading board length direction under the perpendicular to the pivot on the horizontal plane, the both ends difference fixedly connected with swinging arms of pivot, the swinging arms perpendicular to pivot, go up loading board lower extreme and be located its width direction's both sides and seted up the spout respectively, the spout extends the setting along being on a parallel with last loading board width direction, the one end that the swinging arms kept away from the pivot articulates there is the slider, the articulated axis of slider is on a parallel with the axis of pivot, the slider slides and inlays and locates in the spout, be provided with relative or back of the body pivoted drive unit.

Through adopting above-mentioned technical scheme, when some vulnerable goods of needs delivery, at first put the goods on last loading board, after last loading board is full, back of the body rotation mutually between the re-drive pivot, the swinging arms rotates at vertical plane, and the swinging arms increases at vertical planar component gradually, the slider in same spout slides back of the body mutually simultaneously, and then supports the loading board and upwards risees, make the loading board top form and put the space down, place the goods on the loading board down again, double freight efficiency of flatbed semitrailer has been increased.

The present invention may be further configured in a preferred embodiment as: the driving unit comprises a driving shaft and a motor, wherein the driving shaft is rotatably arranged on the lower bearing plate, the motor is used for controlling the driving shaft to rotate, the driving shaft is vertically arranged between rotating shafts, driving bevel gears are arranged at two ends of the driving shaft, and driven bevel gears meshed with the driving bevel gears are coaxially fixed on the rotating shafts.

Through adopting above-mentioned technical scheme, when the starter motor, the motor drives the drive shaft pivot, and the drive shaft then can drive the synchronous relative or back of the body rotation mutually of pivot, realizes the purpose that the bearing board rises and descends on the stable support.

The present invention may be further configured in a preferred embodiment as: one end of the lower bearing plate in the width direction extends to form a pair of lug plates, and two ends of the driving shaft are rotatably arranged in the lug plates.

Through adopting above-mentioned technical scheme, the up end of loading board has all been kept away from to drive shaft, drive bevel gear and driven bevel gear, has guaranteed that the loading board is used for supplying the area that the goods was placed down.

The present invention may be further configured in a preferred embodiment as: the caulking groove has been seted up to the upper end of slider, the both ends that just are located its length direction on the spout inner wall are seted up respectively and are aligned complex mounting groove with the caulking groove, be provided with thrust spring and abaculus in the mounting groove, thrust spring has the trend that promotes the abaculus downstream, the abaculus is fixed with the pulling-on piece towards thrust spring's one end, the pulling-on piece upwards extends to and runs through the last loading board.

Through adopting above-mentioned technical scheme, remove the slider to drive the abaculus through the pulling-on piece and accomodate in the mounting groove, when aligning until caulking groove and mounting groove, loosen the pulling-on piece, during thrust spring promoted the abaculus part and got into the caulking groove, and then locked the removal of slider, the swinging arms can't rotate again promptly, fixed after the rising of loading board is gone up in the realization, need not the continuous provision moment of torsion of motor.

The present invention may be further configured in a preferred embodiment as: and a pull ring is fixed at one end of the pull piece, which is far away from the embedded block, and the pull ring is in butt fit with the upper end of the upper bearing plate.

Through adopting above-mentioned technical scheme, when thrust spring promoted the abaculus, the pulling-on piece removed in the mounting groove in step, until pull ring and last loading board butt, avoided the pulling-on piece to get into the mounting groove completely, also avoided the abaculus to break away from the mounting groove completely simultaneously.

The present invention may be further configured in a preferred embodiment as: four corners of the upper end of the upper bearing plate are respectively arranged on the hook, and the pull ring is sleeved on the hook in a matching manner.

Through adopting above-mentioned technical scheme, when the loading board is gone up in needs decline, drive the pulling-on piece through the pull ring for the abaculus breaks away from the caulking groove, and overlaps the pull ring on the couple, maintains the state that the abaculus was accomodate in the mounting groove, and the motor is restarted at last, and the relative rotation of control pivot realizes going up the decline of loading board and resets.

The present invention may be further configured in a preferred embodiment as: one side of the embedded block facing the sliding block is provided with a chamfer inclined plane, and the chamfer inclined plane is matched with the sliding block in a sliding and abutting mode.

Through adopting above-mentioned technical scheme, remove the slider, the butt that slides between slider and the chamfer inclined plane for the abaculus is impressed in the mounting groove, and when the caulking groove aligns with the mounting groove, thrust spring promotes the abaculus part and gets into the caulking groove, need not to stimulate the pulling-on piece when rising the loading board.

The present invention may be further configured in a preferred embodiment as: the lower end of the upper bearing plate is provided with a pair of avoiding grooves for accommodating the rotating shaft.

Through adopting above-mentioned technical scheme, when last loading board descends, the swinging arms can be accomodate in the spout, and the pivot is then accomodate in dodging the inslot, and then can realize the laminating between loading board and the last loading board down, has guaranteed the support intensity of bearing plate group when supporting range upon range of goods.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the upper bearing plate structure and the lower bearing plate structure are adopted, and double goods can be placed through the lifting of the upper bearing plate, so that the goods conveying efficiency is improved;

2. the movement of the embedded block locking sliding block is adopted, so that the upper bearing plate is fixed after rising, and the motor is not required to continuously provide torque.

Drawings

Fig. 1 is a schematic view of the general assembly of a flatbed semitrailer;

FIG. 2 is an enlarged schematic view at A in FIG. 1 for illustrating the location and configuration of the hook and tab;

FIG. 3 is a schematic view for embodying a mounting structure on the lower carrier plate;

FIG. 4 is a schematic view for embodying an underside mounting structure of the upper carrier plate;

FIG. 5 is a schematic view of the assembly of the flatbed trailer for showing the lifting of the upper bearing plate;

fig. 6 is an exploded view of a structure embodying an insert and slider.

In the figure, 1, a bearing plate group; 2. a lower bearing plate; 3. an upper bearing plate; 31. a chute; 32. an avoidance groove; 33. mounting grooves; 4. a rotating shaft; 5. a swing lever; 6. a slider; 61. caulking grooves; 7. a thrust spring; 8. an insert block; 81. chamfering the inclined plane; 9. a pull tab; 91. a pull ring; 10. hooking; 11. a drive shaft; 12. a drive bevel gear; 13. a driven bevel gear; 14. an electric motor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, a flatbed semitrailer includes wheels and a bearing plate set 1, where the bearing plate set 1 includes an upper bearing plate 3 and a lower bearing plate 2 which are parallel, the wheels are installed below the lower bearing plate 2 (the specific installation method is the same as that in the prior art and is not described here in detail), and the upper bearing plate 3 is installed on the lower bearing plate 2 in a vertical direction in a lifting manner; when needing to carry some fragile goods that can not stack, at first put the goods on last loading board 3, after last loading board 3 was filled up, riseed last loading board 3 for 2 tops of lower loading board form and put the space, place the goods on lower loading board 2 again, increased the double freight efficiency of flatbed semitrailer.

As shown in fig. 3 and 4, bearing seats are respectively fixed at four corners of the upper end of the lower bearing plate 2, a rotating shaft 4 is rotatably mounted between two corresponding bearing seats located at two sides of the length direction of the lower bearing plate 2, swing rods 5 (arranged along the length direction of the lower bearing plate 2 in an initial state) are respectively and vertically welded at two ends of the rotating shaft 4, a slider 6 is hinged at one end of each swing rod 5 far away from the rotating shaft 4, the hinge axis of each slider 6 is parallel to the axis of the rotating shaft 4, a pair of parallel sliding grooves 31 are formed in the lower end surface of the upper bearing plate 3, the sliding grooves 31 extend along the length direction of the upper bearing plate 3 and are located at two sides of the width direction of the upper bearing plate 3, and the sliders 6 located at the same;

when the driving rotating shafts 4 rotate oppositely, the swinging rods 5 rotate on the vertical plane, the components of the swinging rods 5 on the vertical plane are gradually increased, and meanwhile, the sliding blocks 6 in the same sliding chute 31 slide oppositely, so that the upper bearing plate 3 is supported to be lifted upwards, and a double-layer cargo supporting structure is formed;

when the relative rotation between drive pivot 4, make the swinging arms 5 reduce at the weight of vertical direction, go up loading board 3 and descend promptly, and seted up a pair of groove 32 of dodging at the lower extreme of last loading board 3, dodge groove 32 and connect perpendicularly between spout 31, and be located and dodge the both sides that groove 32 is located loading board 3 length direction, when last loading board 3 descends, swinging arms 5 can be accomodate in spout 31, pivot 4 then is accomodate in dodging groove 32, and then can realize the laminating between lower loading board 2 and the last loading board 3, the support intensity of loading board group 1 when supporting range upon range of goods has been guaranteed.

As shown in fig. 5 and 6, an insertion groove 61 is formed at the upper end of the slider 6, mounting grooves 33 opposite to the insertion groove 61 are formed at both ends of the inner wall of the sliding groove 31 in the length direction, a thrust spring 7 and an insertion block 8 are arranged in the mounting grooves 33, the upper end of the thrust spring 7 abuts against the inner wall of the sliding groove 31, the lower end thereof abuts against the insertion block 8, and a chamfered inclined surface 81 is formed at one end of the insertion block 8 facing the slider 6; remove slider 6, the butt that slides between slider 6 and the chamfer inclined plane 81 for inlay 8 is impressed in mounting groove 33, and when caulking groove 61 aligns with mounting groove 33, thrust spring 7 promoted inlay 8 part and got into in caulking groove 61, and then locked slider 6's removal, and rocking bar 5 can't rotate again promptly, realizes going up fixed after the rising of loading board 3, need not the continuous moment of torsion that provides of motor 14.

As shown in fig. 6, a pull tab 9 is fixed at one end of the insert 8 facing the thrust spring 7, the pull tab 9 extends upwards to penetrate through the upper bearing plate 3, a pull ring 91 is bound and fixed at the upper end of the pull tab 9, and as shown in fig. 2, hooks 10 are welded at four corners of the upper end of the upper bearing plate 3; when the bearing plate 3 is required to descend, the pull tab 9 is driven by the pull ring 91, so that the insert 8 is separated from the insert groove 61, the pull ring 91 is sleeved on the hook 10, the state that the insert 8 is contained in the mounting groove 33 is maintained, the motor 14 is started again at last, the rotating shaft 4 is controlled to rotate relatively, and the descending and resetting of the bearing plate 3 are realized.

As shown in fig. 1 and 2, a pair of lug plates are welded at one end of the lower bearing plate 2 in the width direction, a driving shaft 11 is rotatably installed between the lug plates, the driving shaft 11 is located between the rotating shafts 4, the driving shaft 11 is perpendicular to the rotating shafts 4, a driving bevel gear 12 is coaxially fixed at two ends of the driving shaft 11, a driven bevel gear 13 is coaxially fixed at the end of the rotating shaft 4, the driving bevel gear 12 is engaged with the driven bevel gear 13, a support frame is fixed on the lower bearing plate 2, a motor 14 is installed on the support frame, and the rotating end of the motor 14 is coaxially fixed with the driving shaft 11; when the motor 14 is started, the motor 14 drives the rotating shaft 4 of the driving shaft 11, the driving shaft 11 can drive the rotating shaft 4 to synchronously rotate oppositely or reversely, the purpose of stably supporting the upper bearing plate 3 to ascend and descend is achieved, the driving shaft 11, the driving bevel gear 12 and the driven bevel gear 13 are far away from the upper end face of the lower bearing plate 2, and the area of the lower bearing plate 2 for placing goods is guaranteed.

The implementation principle of the embodiment is as follows:

when goods capable of resisting pressure need to be placed, the goods are directly stacked on the upper bearing plate 3, and the upper bearing plate 3 is attached to the lower bearing plate 2, so that the purpose of stably supporting the goods is achieved;

when the goods that can not resist compression are placed to needs, at first put the goods on last loading board 3, after putting in full on last loading board 3, starting motor 14 control pivot 4 rotates relatively for last loading board 3 rises, forms new space of placeeing in the below of last loading board 3, can place the second floor goods, so promotes the conveying efficiency of freight train.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A flat-bed semi-trailer comprises a body, wherein a cargo bearing platform is arranged on the body; the method is characterized in that: the cargo bearing platform comprises a lower bearing plate (2) and an upper bearing plate (3) which are used for supporting cargos, wherein the two ends of the length direction of the lower bearing plate (2) are respectively rotatably provided with a rotating shaft (4), the rotating shaft (4) is arranged on the horizontal plane along the length direction of the lower bearing plate (2) in a direction perpendicular to the length direction of the lower bearing plate, the two ends of the rotating shaft (4) are respectively and fixedly connected with a swinging rod (5), the swinging rod (5) is perpendicular to the rotating shaft (4), the two sides of the lower end of the upper bearing plate (3) in the width direction are respectively provided with a sliding groove (31), the sliding grooves (31) are arranged along the width direction parallel to the upper bearing plate (3), one end of the swinging rod (5) far away from the rotating shaft (4) is hinged with a sliding block (6), the hinged axis of the sliding block (6) is parallel to the axis of, the lower bearing plate (2) is provided with a driving unit which drives the rotating shafts (4) to rotate oppositely or back to back.

2. The flatbed semitrailer of claim 1, wherein: the driving unit comprises a driving shaft (11) rotatably arranged on the lower bearing plate (2) and a motor (14) used for controlling the driving shaft (11) to rotate, the driving shaft (11) is vertically arranged between the rotating shafts (4), driving bevel gears (12) are arranged at two ends of the driving shaft (11), and driven bevel gears (13) meshed with the driving bevel gears (12) are coaxially fixed on the rotating shafts (4).

3. The flatbed semitrailer of claim 2, wherein: one end of the width direction of the lower bearing plate (2) extends to form a pair of lug plates, and two ends of the driving shaft (11) are rotatably arranged in the lug plates.

4. The flatbed semitrailer of claim 1, wherein: caulking groove (61) have been seted up to the upper end of slider (6), on spout (31) inner wall and be located its length direction's both ends seted up respectively with caulking groove (61) alignment complex mounting groove (33), be provided with thrust spring (7) and abaculus (8) in mounting groove (33), thrust spring (7) have the trend that promotes abaculus (8) downstream, abaculus (8) are fixed with pulling-on piece (9) towards the one end of thrust spring (7), pulling-on piece (9) upwards extend to run through upper bearing board (3).

5. The flatbed semitrailer of claim 4, wherein: and a pull ring (91) is fixed at one end of the pull piece (9) far away from the insert (8), and the pull ring (91) is in butt fit with the upper end of the upper bearing plate (3).

6. The flatbed semitrailer of claim 5, wherein: four corners of the upper end of the upper bearing plate (3) are respectively arranged on the hook (10), and the pull ring (91) is sleeved on the hook (10).

7. The flatbed semitrailer of claim 4, wherein: one side of the embedded block (8) facing the sliding block (6) is provided with a chamfer inclined plane (81), and the chamfer inclined plane (81) is in sliding butt fit with the sliding block (6).

8. The flatbed semitrailer of claim 1, wherein: the lower end of the upper bearing plate (3) is provided with a pair of avoiding grooves (32) for accommodating the rotating shaft (4).