CN109532622B - Self-loading and unloading device for truck - Google Patents
Self-loading and unloading device for truck Download PDFInfo
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- CN109532622B CN109532622B CN201811353405.8A CN201811353405A CN109532622B CN 109532622 B CN109532622 B CN 109532622B CN 201811353405 A CN201811353405 A CN 201811353405A CN 109532622 B CN109532622 B CN 109532622B
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- 238000005096 rolling process Methods 0.000 claims description 116
- 230000007246 mechanism Effects 0.000 claims description 22
- 238000009434 installation Methods 0.000 claims description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 238000004804 winding Methods 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000009467 reduction Effects 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
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- 238000004806 packaging method and process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 238000000034 method Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
- B60P1/54—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading using cranes for self-loading or self-unloading
- B60P1/5438—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading using cranes for self-loading or self-unloading with a moveable base
- B60P1/5442—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading using cranes for self-loading or self-unloading with a moveable base attached to the roof of the vehicle
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- Engineering & Computer Science (AREA)
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- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The utility model belongs to the technical field of machinery, in particular to a truck self-loading and unloading device; the lifting device is arranged on the longitudinal spandrel girder, the left side girder and the right side girder are respectively connected with corresponding supporting columns through a driver, the driver drives the supporting columns to topple forward to reduce the overall height or drive the supporting columns to vertically reset; the height of the whole height-adjustable device is adjustable, the height-limited occasion can be easily passed, and the application range is wide.
Description
Technical field:
the utility model belongs to the technical field of machinery, and particularly relates to a truck self-loading and unloading device.
The background technology is as follows:
the freight car is the transport means that is indispensable in the transportation trade, and current freight car adopts fork truck or manpower transport or fork truck and manpower transport to combine to carry out loading and unloading goods mostly, has loading and unloading inefficiency, and the human cost is high, defects such as intensity of labour is big. And in loading and unloading cargoes such as cement and other cargoes with larger dust, the health of workers is easily damaged to a certain extent.
In order to improve the above phenomenon, chinese patent discloses a truck rail type self-loading and unloading device (grant bulletin number CN 205930438U), which comprises a first rail and a second rail which are arranged in parallel, wherein a first sliding seat is arranged on the first rail, a first driving unit for driving the first sliding seat to move along the first rail is arranged between the first sliding seat and the first rail, a second sliding seat is arranged on the second rail, a second driving unit for driving the second sliding seat to move along the second rail is arranged between the second sliding seat and the second rail, the first driving unit and the second driving unit synchronously act, a first upright post is fixedly connected to the rear end of the first sliding seat, a second upright post is fixedly connected to the middle part of a transverse frame parallel to the first rail, the upper end of the second upright post is fixedly connected to the middle part of a transverse frame parallel to the second rail, a supporting frame which is simultaneously arranged on the first transverse frame and the second transverse frame is arranged at the rear end of the first transverse frame, and the supporting frame is provided with a grabbing structure for grabbing goods and controlling lifting of the goods.
The first guide rail and the second guide rail of the truck track type self-loading and unloading device are fixed at two side edges of the truck bottom plate, and occupy a certain space in the truck carriage; the parts outside the first guide rail and the second guide rail are driven by the driving unit to move back and forth on the first guide rail and the second guide rail, so that the requirement on the driving unit is high; the upright post cannot fall over on the first guide rail and the second guide rail, so that the truck cannot pass through some occasions with limited heights, and the limitation of the use occasions is large.
The utility model comprises the following steps:
the utility model aims to provide a truck self-loading and unloading device with a liftable whole height and a wide application range.
The utility model is realized in the following way:
the utility model provides a freight train is from handling device, four support columns including the lower extreme articulates on the freight train carriage, four support columns are rectangular distribution, the upper end of corresponding two support columns articulates on left side roof beam, the upper end of other two support columns articulates on right side roof beam, left side roof beam and right side roof beam's both ends are connected with horizontal spandrel roof beam through horizontal spandrel roof beam two respectively, be provided with the longitudinal spandrel girder on horizontal spandrel roof beam and horizontal spandrel roof beam two, longitudinal spandrel girder and left side roof beam, right side roof beam parallel arrangement, the length of longitudinal spandrel girder is greater than the distance between horizontal spandrel girder and the horizontal spandrel beam two, the longitudinal spandrel girder is fixed on horizontal spandrel girder and horizontal spandrel girder two or by driving mechanism first drive along horizontal spandrel girder, horizontal spandrel girder two left and right reciprocating motion, the rear end of longitudinal spandrel girder stretches out outside horizontal spandrel girder two, the length is fixed or adjustable according to actual need, be provided with hoisting device on longitudinal spandrel girder, hoisting device can be on longitudinal spandrel girder, vertically and the back, the jack-up, the driver is correspondent to the support column of the side of the triangle-shaped by the driver through the side of the driver of the side of the driver, the support column is reduced to the whole, the side is driven by the driver to the side, the side has to the driver to the side has to the side to the driver to the side to be reduced;
or: the four telescopic support columns are distributed in a rectangular shape, the upper ends of the four telescopic support columns are connected with an upper frame, the upper frame comprises a left side beam, a right side beam and a first transverse spandrel beam and a second transverse spandrel beam, longitudinal spandrel beams are arranged on the first transverse spandrel beam and the second transverse spandrel beam, the longitudinal spandrel beams are arranged in parallel with the left side beam and the right side beam, the length of the longitudinal spandrel beams is greater than the distance between the first transverse spandrel beam and the second transverse spandrel beam, the longitudinal spandrel beams are fixed on the first transverse spandrel beam and the second transverse spandrel beam or driven by a first driving mechanism to reciprocate left and right along the first transverse spandrel beam and the second transverse spandrel beam, the rear end of the longitudinal spandrel beam extends out of the second transverse spandrel beam, the extending length is fixed or adjustable according to actual needs, a lifting device is arranged on the longitudinal spandrel beam, the lifting device can move back and forth on the longitudinal spandrel beam, and the length of the longitudinal spandrel beams is greater than the first transverse spanned beam or the second spanned beam;
or the box body comprises an upper box body with an opening at the lower end and a lower box body with an opening at the upper end, four telescopic supporting columns are fixedly arranged in the lower box body, the upper ends of the telescopic supporting columns are respectively fixedly arranged at corresponding positions in the upper box body, a first transverse spandrel girder and a second transverse spandrel girder are arranged in the upper box body front and back, a longitudinal spandrel girder is arranged on the first transverse spandrel girder and the second transverse spandrel girder, the longitudinal spandrel girder is fixed on the first transverse spandrel girder and the second transverse spandrel girder or is driven by a first driving mechanism to reciprocate left and right along the first transverse spandrel girder and the second transverse spandrel girder, a lifting device is arranged on the longitudinal spandrel girder, the lifting device can move back and forth on the longitudinal spandrel girder, and the telescopic supporting columns stretch to drive the upper box body to move upwards to raise the integral height or shrink to drive the upper box body to descend to reduce the integral height.
In the above-mentioned truck is from loading and unloading device, the interval is provided with first roll wheel mount pad group, second roll wheel mount pad group around on the vertical spandrel girder, and every group roll wheel mount pad group all includes preceding roll wheel mount pad, back roll wheel mount pad, and preceding roll wheel mount pad, back roll wheel mount pad are located the front and back both sides of horizontal spandrel girder one or horizontal spandrel girder two, are provided with the roll wheel on preceding roll wheel mount pad, back roll wheel mount pad, roll on roll wheel roll connection horizontal spandrel girder one, the horizontal spandrel girder two respectively.
In the above-mentioned automatic loading and unloading device for trucks, the two ends of the front rolling wheel mounting seat and the rear rolling wheel mounting seat are respectively located outside the longitudinal spandrel girder, the two ends of the front rolling wheel mounting seat and the rear rolling wheel mounting seat are respectively provided with the left rolling wheel mounting seat and the right rolling wheel mounting seat, the left rolling wheel mounting seat and the right rolling wheel mounting seat are provided with rolling wheels, and the rolling wheels can roll on the longitudinal spandrel girder.
In the truck self-loading and unloading device, at least one rolling wheel mounting seat group is provided with a locking bolt for fixing the longitudinal spandrel girder.
In the above-mentioned truck is from loading and unloading device, the length that the rear end of vertical spandrel girder stretches out is adjustable specifically according to actual need: the longitudinal spandrel girder moves back and forth on the transverse spandrel girder I and the transverse spandrel girder II manually; or the second driving mechanism drives the first transverse spandrel girder and the second transverse spandrel girder to automatically move back and forth.
In the above-mentioned truck automatic loading and unloading device, the first driving mechanism includes a first motor gear, an intermediate gear and a second motor gear, a first reel and a second reel are respectively arranged on gear shafts of the first gear and the second gear, the first motor drives the first reel and the second reel to rotate in the same direction, one end of the first wire rope is fixed on the first reel, the other end of the first wire rope is fixed on a rear rolling wheel mounting seat of the first rolling wheel mounting seat, one end of the second wire rope is fixed on the second reel, the other end of the second wire rope is fixed on a rear rolling wheel mounting seat of the first rolling wheel mounting seat, the first wire rope between the first reel and the rear rolling wheel mounting seat of the first rolling wheel mounting seat is turned through a wire rope steering wheel, the second wire rope between the second reel and the rear rolling wheel mounting seat of the first rolling wheel mounting seat is turned through a wire rope steering wheel, one end of the third wire rope is fixed on the first reel, the other end of the third wire rope is fixed on a front rolling wheel mounting seat of the second rolling wheel, the other end of the fourth wire rope is fixed on the second reel, the other end of the second wire rope is fixed on a front rolling wheel mounting seat of the second rolling wheel, the second wire rope passes through a wire rope steering wheel mounting seat of the second rolling wheel mounting seat, and the wire rope passes through a wire rope steering wheel between the first wire rope steering wheel and the first steering wheel mounting seat of the second wire rope is turned through the front rolling wheel mounting seat.
In the above-mentioned truck self-loading and unloading device, the hoisting device is arranged on the left mounting seat and the right mounting seat, the left mounting seat and the right mounting seat are respectively arranged on the left side and the right side of the longitudinal spandrel girder, the left mounting seat is connected on the longitudinal spandrel girder through the left driving wheel and the right mounting seat in a rolling way through the right driving wheel, and the left driving wheel or the right driving wheel is driven by the motor II to roll on the longitudinal spandrel girder to drive the hoisting device to reciprocate back and forth along the longitudinal spandrel girder.
In the above-mentioned truck self-loading and unloading device, the left driving wheel comprises a first driving wheel and a second driving wheel, the first driving wheel and the second driving wheel comprise integrally structured gear parts and roller parts, the roller parts are arranged on the longitudinal spandrel girder in a rolling way, the gear parts of the first driving wheel and the second driving wheel are in meshed transmission through an intermediate gear, and the second driving wheel and the first driving wheel are driven by the second motor to synchronously rotate.
In the truck self-loading and unloading device, the left mounting seat and the right mounting seat are fixed on the fixed seat, the lifting device is connected with the mounting seat through the central bearing shaft, and the lifting device can rotate around the central bearing shaft under the manual action or rotate around the central shaft by three motors.
In the truck self-loading and unloading device, the lifting device comprises a main body, a driving shaft and a driven shaft are arranged on the main body, a gear III and a gear IV are respectively arranged on the driving shaft and the driven shaft, the gear III and the gear IV are directly or indirectly in meshed transmission, the gear III and the gear IV reversely rotate, the driving shaft is connected with a reduction gearbox, the reduction gearbox is driven to rotate by a motor IV, lifting chain wheels are respectively arranged on the driving shaft and the driven shaft, two end parts of a chain are hung on the corresponding lifting chain wheels, the middle part of the chain automatically sags between the two lifting chain wheels, a hook I and a hook II are respectively arranged at two ends of the chain, a hook III and a hook IV are arranged in the middle part of the chain, the hook III and the hook IV can move on the chain, the motor IV is controlled by a controller to act, the controller is powered by a power supply, the power supply and the controller is arranged in the box, and the box is fixed on the main body.
In the truck self-loading and unloading device, the box body is a box body on a box truck; the upper box body comprises a top plate, three upper side plates and an upper door plate positioned at the rear side, the lower box body comprises a carriage bottom plate, three lower side plates and a lower door plate positioned at the rear side, longitudinal spandrel girder penetrating holes are formed in the upper side plates at the positions, opposite to the upper door plate, of the upper box body, the length of each longitudinal spandrel girder is greater than the distance between the first transverse spandrel girder and the second transverse spandrel girder, and when the upper door plate is opened, the rear end of each longitudinal spandrel girder can extend out of the second transverse spandrel girder and the front end of each longitudinal spandrel girder is positioned in the box body; when the upper door plate is closed, the front end of the longitudinal spandrel girder extends out of the longitudinal spandrel girder through hole, and the rear end is positioned in the box body.
In the truck self-loading and unloading device, the box body is a container, the upper box body comprises a top plate, three upper side plates and an upper door plate positioned at the rear side, the lower box body comprises a bottom plate, three lower side plates and a lower door plate positioned at the rear side, and both ends of the longitudinal spandrel girder are positioned in the container.
In the above-mentioned truck self-loading and unloading device, the lower end of the upper side plate is located outside the upper end of the lower side plate, and the lower end of the upper door plate is located outside the upper end of the lower door plate.
In the truck self-loading and unloading device, the four telescopic support columns are positioned at four corners of the box body.
Compared with the prior art, the utility model has the outstanding advantages that:
1. when the utility model is arranged on four upright posts of a wagon box, the utility model does not occupy the volume of the wagon box, and improves the transportation efficiency of the wagon box;
2. the support column is hinged with the wagon carriage, can be tilted towards the direction of the wagon head, or can realize the adjustment of the whole height through the telescopic support column, can easily pass through the occasion of height limitation, and has wide application range;
3. the chain is provided with two groups of hooks, the first hook is matched with the second hook for use, the third hook is matched with the fourth hook for use, and one chain realizes two different lifting modes, so that the occupied space is small, the use is convenient, and the lifting height of an object is improved;
4. the lifting device can rotate, is convenient for rotating the direction of an object, and is not limited by space in arrangement during loading and unloading;
5. the driving mechanism adopts traction rope transmission, has high synchronism and stable transmission, and reduces the failure rate.
6. The control system and the power supply of the lifting device are arranged in the box body, and the circuit does not stretch along the longitudinal spandrel girder along with the lifting device.
Description of the drawings:
FIG. 1 is a schematic illustration of a support column of the present utility model in an erect condition;
FIG. 2 is a schematic view of the support column of the present utility model in a forward dumping position;
FIG. 3 is a schematic diagram of the motor and the driving and driven reels of the first drive mechanism of the present utility model;
FIG. 4 is a schematic view of the lock nut of the present utility model disposed on a roller wheel mount;
FIG. 5 is a schematic view of the utility model in which the other ends of the first and second wire ropes are fixed to the rolling wheel mounting base;
FIG. 6 is an enlarged schematic view of portion A of FIG. 1;
FIG. 7 is a schematic diagram of a first drive mechanism of the present utility model;
FIG. 8 is a schematic top view of the lifting device of the present utility model;
FIG. 9 is a schematic diagram of the connection of the center bearing axle to the front mount and the rear mount of the present utility model;
FIG. 10 is a schematic diagram of the left drive wheel of the present utility model;
FIG. 11 is a schematic view of the lifting sprocket, driving gear, driven gear and motor of the present utility model disposed on a main body;
FIG. 12 is a top view of FIG. 11;
FIG. 13 is a cross-sectional view A-A of FIG. 12;
FIG. 14 is a schematic view of the utility model using telescoping support columns to effect lifting;
FIG. 15 is a schematic view of the telescoping support column of the present utility model in an extended state and provided with a housing;
fig. 16 is a schematic view of the telescopic support column of the present utility model in a contracted state and provided with a case.
In the figure: 1. a boxcar; 2. a first support column; 3. a second support column; 4. a third support column; 5. a support column IV; 6. a left side beam; 7. a right side beam; 8. a transverse spandrel girder I; 9. a transverse spandrel girder II; 10. a longitudinal load beam; 11. a lifting device; 12. an oil cylinder; 13. a front rolling wheel mounting seat; 14. a rear rolling wheel mounting seat; 15. a rolling wheel; 16. a left rolling wheel mounting seat; 17. a right rolling wheel mounting seat; 18. a locking bolt; 19. a first motor; 20. a first gear; 21. a second gear; 22. a fifth gear; 23. a first winding drum; 24. a second winding drum; 25. a first steel wire rope; 26. a second steel wire rope; 27. a wire rope steering wheel I; 28. a steel wire rope III; 29. a steel wire rope IV; 30. a second wire rope pulley; 31. a case; 32. a gear box; 33. a fourth motor; 34. a third gear; 35. a fourth gear; 36. a chain; 37. a first hook; 38. a second hook; 39. a third hook; 40. a hook IV; 41. a support; 42. a gear portion; 43. a roller part; 44. a second motor; 45. a right mounting seat; 46. a central bearing shaft; 47. a main body; 48. a lifting chain wheel; 49. a front mounting base; 50. a rear mounting base; 51. a connecting plate; 52. a driving shaft; 53. a driven shaft; 54. mounting a seat board; 55. a telescopic support column; 56. a top plate; 57. an upper side plate; 58. an upper door panel; 59. a lower side plate; 60. and a lower door plate.
The specific embodiment is as follows:
the utility model is further described below with reference to specific examples,
embodiment one: see fig. 1-13:
the utility model provides a freight train is from loading and unloading device, includes that the lower extreme articulates four spinal branch daggers on freight train carriage 1, is support column one 2, support column two 3, support column three 4 and support column four 5 respectively, and four support columns are the rectangle and distribute, and the upper end of corresponding two support columns (support column one 2, support column three 3) articulates on left boundary beam 6, and the upper end of other two support columns (support column two 3, support column four 5) articulates on right boundary beam 7. In the embodiment, hinge seats are respectively arranged on the upright posts of the boxcar 1, and the lower ends of the four support columns are hinged on the hinge seats. Two of the upright posts can be arranged inside the boxcar 1, but when four support posts are hinged on the upright posts of the boxcar 1, the capacity of the boxcar is not occupied, and the transportation efficiency of the boxcar is improved. The upper ends of the four support columns are hinged with the left side beam 6 and the right side beam 7 through hinge seats, and the hinge seats are fixed on the left side beam 6 and the right side beam 7. The two ends of the left side beam 6 and the right side beam 7 are respectively connected with a transverse spandrel girder 9 through a transverse spandrel girder 8, a longitudinal spandrel girder 10 is arranged on the transverse spandrel girder 8 and the transverse spandrel girder 9, the longitudinal spandrel girder 10 is parallel to the left side beam 6 and the right side beam 7, the length of the longitudinal spandrel girder 10 is longer than the distance between the transverse spandrel girder 8 and the transverse spandrel girder 9, and the longitudinal spandrel girder 10 is fixed on the transverse spandrel girder 8 and the transverse spandrel girder 9 or the longitudinal spandrel girder 10 is driven by a driving mechanism to reciprocate along the transverse spandrel girder 8 and the transverse spandrel girder 9. The rear end of the longitudinal spandrel girder 10 extends out of the rear part of the boxcar 1, thereby facilitating the lifting operation. The front and back positions of the longitudinal spandrel girder 10 on the transverse spandrel girder 8 and the transverse spandrel girder 9 are fixed or adjustable according to actual needs, the lifting device 11 is arranged on the longitudinal spandrel girder 10, the lifting device 11 can move back and forth on the longitudinal spandrel girder 10, the front and back adjusting position of the longitudinal spandrel girder 10 can improve the movable range of the lifting device 11 outside the wagon box 1, and the lifting range is enlarged. The left side beam 6 and the right side beam 7 are respectively connected with corresponding support columns through drivers, the left side beam 6 of the embodiment is connected with the first support column 2 through the drivers, and the right side beam 7 is connected with the third support column 4 through the drivers to form a triangular support. The driver contracts to drive the support column to topple forward to reduce the overall height or the driver stretches to drive the support column to vertically reset. The driver is an oil cylinder 12 or an electric push rod and the like. The cylinder 12 is preferred in this embodiment. The two ends of the oil cylinder 12 are respectively hinged on the left side beam 6 and the first support column 2 or the right side beam 7 and the third support column 4. As shown in fig. 2, when the present utility model needs to be folded (if the truck needs to be driven into a workshop or a bridge crossing hole, etc., the height of the support column is too high, so that a vehicle cannot pass through), the piston rod of the cylinder 12 contracts, driving one end of the support column one 2, the support column two 3, the support column three 4 and the support column four 5, which are beyond the truck head, to topple over, and the overall height is reduced after toppling over, so that the vehicle can pass through conveniently. As shown in fig. 1, when the utility model needs to perform loading and unloading operations, the piston rod of the oil cylinder 12 extends outwards to drive the first support column 2, the second support column 3, the third support column 4 and the fourth support column 5 to stand, so that the left side beam 6, the right side beam 7 and the longitudinal spandrel girder 10 are all arranged vertically to the support columns.
Further, a first rolling wheel installation seat group and a second rolling wheel installation seat group are arranged on the longitudinal spandrel girder 10 at intervals from front to back, each rolling wheel installation seat group comprises a front rolling wheel installation seat 13 and a rear rolling wheel installation seat 14, the front rolling wheel installation seat 13 and the rear rolling wheel installation seat 14 are positioned on the front side and the rear side of the transverse spandrel girder 8 or the transverse spandrel girder 9, rolling wheels 15 are arranged on the front rolling wheel installation seat 13 and the rear rolling wheel installation seat 14, and the rolling wheels 15 are respectively connected with the transverse spandrel girder 8 and the transverse spandrel girder 9 in a rolling way.
Furthermore, the two ends of the front rolling wheel mounting seat 13 and the rear rolling wheel mounting seat 14 are respectively positioned outside the longitudinal spandrel girder 10, the two ends of the front rolling wheel mounting seat 13 and the rear rolling wheel mounting seat 14 are respectively provided with a left rolling wheel mounting seat 16 and a right rolling wheel mounting seat 17, the left rolling wheel mounting seat 16 and the right rolling wheel mounting seat 17 are provided with rolling wheels 15, the rolling wheels 15 can roll on the longitudinal spandrel girder 10, the rolling wheels 15 can reduce the friction force when the longitudinal spandrel girder 10 moves left and right on the transverse spandrel girder 8 and the transverse spandrel girder 9, and the friction force when the longitudinal spandrel girder 10 is adjusted to the front and back positions of the transverse spandrel girder 8 and the transverse spandrel girder 9 is reduced.
The longitudinal spandrel girder 10 of the utility model has the following specific adjusting modes that the front and back positions of the transverse spandrel girder 8 and the transverse spandrel girder 9 are adjustable: firstly, the longitudinal spandrel girder 10 moves back and forth on the transverse spandrel girder 8 and the transverse spandrel girder 9 manually. In this case, a fastening mechanism is required to position the longitudinal spandrel girder 10 in the front-rear position on the first 8 and second 9 transverse spandrel girders. The fastening mechanism is as follows: at least one of the sets of roller wheel mounts is provided with a lock bolt 18 for securing the longitudinal load beam 10. The present embodiment provides for the lock bolt 18 to be disposed on the front roller wheel mount 13 of the first roller wheel mount set, as shown in fig. 4. When the front and back positions of the longitudinal spandrel girder 10 on the transverse spandrel girder 8 and the transverse spandrel girder 9 need to be adjusted, the locking bolts 18 are loosened, the longitudinal spandrel girder 10 is manually driven to move back and forth, and after the adjustment is completed, the locking bolts 18 are screwed again, and at the moment, the longitudinal spandrel girder 10 is fixed.
And secondly, the lifting device 11 is driven by the driving mechanism II to move back and forth on the transverse spandrel girder 8 and the transverse spandrel girder 9. The second driving mechanism can be a rack and pinion structure, a driving motor and a gear are arranged on the first transverse spandrel girder 8 or the second transverse spandrel girder 9, a rack is arranged on the longitudinal spandrel girder 10, and the gear motor rotates to drive the rack and pinion to be meshed and driven to drive the longitudinal spandrel girder 10 to move forwards and backwards. The second driving mechanism can also be a steel wire rope transmission structure, a driving motor and a group of gears meshed with each other are arranged on the first transverse spandrel girder 8 or the second transverse spandrel girder 9, the driving motor drives the gears to rotate, steel wire drums are respectively arranged on the input gear and the output gear, two steel wire ropes are respectively fixed on the steel wire drums, the other ends of the two steel wire ropes are connected with a left rolling wheel mounting seat or a right rolling wheel mounting seat on a rear rolling wheel mounting seat, and the driving motor drives the two steel wire drums to reversely rotate to realize that one winding steel wire rope and the other paying-off steel wire rope drives the hanging beam 10 to move back and forth.
As shown in fig. 7, the first driving mechanism of the present utility model includes a first motor 19 and a first gear 20 driven by the first motor 19 to rotate, the first gear 20 is meshed with a second gear 21 through an intermediate gear, the intermediate gear is a fifth gear 22, and the first gear 20 and the second gear 21 are rotated in the same direction through the fifth gear 22. A first reel 23 and a second reel 24 are respectively arranged on gear shafts of the first gear 20 and the second gear 21, one end of a first wire rope 25 is fixed on the first reel 23, the other end of the first wire rope 25 is fixed on a rear rolling wheel mounting seat 14 of the first rolling wheel mounting seat group, one end of a second wire rope 26 is fixed on the second reel 24, the other end of the second wire rope is fixed on the rear rolling wheel mounting seat 14 of the first rolling wheel mounting seat group, a first wire rope 25 between the first reel 23 and the rear rolling wheel mounting seat 14 of the first rolling wheel mounting seat group is steered through a first wire rope steering wheel 27, a second wire rope 26 between the second reel 24 and the rear rolling wheel mounting seat 14 of the first rolling wheel mounting seat group is steered through a first wire rope steering wheel 27, one end of a third wire rope 28 is fixed on the first reel 23, the other end of the third wire rope 28 is fixed on a front rolling wheel mounting seat 13 of the second rolling wheel mounting seat group, the other end of the fourth wire rope 29 is fixed on the second reel 24, the other end of the fourth wire rope 29 is fixed on the front rolling wheel mounting seat 13 of the second rolling wheel mounting seat group, the fourth wire rope steering wheel mounting seat 30 is steered through a third wire rope steering wheel mounting seat 30 between the first reel 23 and the front rolling wheel mounting seat 14 of the second rolling wheel mounting seat and the fourth wire rope steering wheel mounting seat 30.
When the longitudinal spandrel girder 10 needs to be driven to move leftwards, the first winding drum 23 winds the first steel wire rope 25 and the third steel wire rope 28, and the second winding drum 24 releases the second steel wire rope 26 and the fourth steel wire rope 29; when it is desired to move the longitudinal load beam 10 to the right, the motor one 19 is rotated in the opposite direction.
In order to prevent the longitudinal spandrel girder 10 from moving excessively on the transverse spandrel girder 8 and the transverse spandrel girder 9, the utility model can be provided with a travel switch for controlling the motor 19. When the travel switch senses the longitudinal load beam 10, the motor one 19 stops rotating.
Of course, the driving mechanism can be realized by adopting a gear rack structure instead of the mechanism. The present embodiment is preferably a wire rope structure. The steel wire rope has the advantages of low cost, low noise, stable transmission and the like.
Further, the lifting device 11 is disposed on a left mounting seat and a right mounting seat 45, the left mounting seat and the right mounting seat 45 are respectively disposed on the left side and the right side of the longitudinal spandrel girder 10, the left mounting seat is connected to the longitudinal spandrel girder 10 by rolling through a left driving wheel and a right mounting seat 45 by rolling through a right driving wheel, and the left driving wheel or the right driving wheel is driven by a second motor to roll on the longitudinal spandrel girder 10 to drive the lifting device 11 to reciprocate back and forth along the longitudinal spandrel girder 10. Wherein the driving wheels travel on the longitudinal girder 10 by frictional force with the longitudinal girder 10.
Further, the left driving wheel comprises a first driving wheel and a second driving wheel, the first driving wheel and the second driving wheel comprise a gear part 42 and a roller part 43 which are of an integral structure or a split structure, the roller part 43 is arranged on the longitudinal spandrel girder 10 in a rolling way, the gear parts 42 of the first driving wheel and the second driving wheel are in meshed transmission through an intermediate gear, the second driving wheel and the second driving wheel are driven by a motor 44 to synchronously rotate, the first driving wheel, the second driving wheel and the intermediate gear are arranged on one side of the installation seat plate 54, and the motor 44 is positioned on the other side of the installation seat plate 54.
In order to facilitate assembly and disassembly, the left mounting seat and the right mounting seat are fixed on the mounting seat, the lifting device 11 is connected with the mounting seat through the central bearing shaft 46, and the lifting device 11 can rotate around the central bearing shaft 46 under the manual action or rotate around the central bearing shaft 46 driven by a motor three. . In the use process, the goods hung by the lifting device 11 can be driven to rotate around the central bearing shaft 46 by an operator pulling the goods below the lifting device, so as to ensure the optimal loading and unloading angle of the goods. The lifting device 11 can also be driven by a motor three to rotate about the central bearing shaft 46. The motor three controls the rotation angle of the lifting device 11.
Specifically, the lifting device 11 includes a main body 47, a driving shaft 52 and a driven shaft 53 are disposed on the main body 47, a gear three 34 and a gear four 35 are disposed on the driving shaft 52 and the driven shaft 53, the gear three 34 is directly or indirectly meshed with the gear four 35, the gear three 34 and the gear four 35 rotate reversely, lifting sprockets 48 are disposed on the driving shaft 52 and the driven shaft 53, the driving shaft is connected with a reduction gearbox 32, the reduction gearbox 32 is driven to rotate by a motor four 33, a chain 36 is hung on the corresponding lifting sprockets 48, the middle part of the chain 36 automatically sags from between the two lifting sprockets 48, a first hook 37 and a second hook 38 are disposed at two ends of the chain 36, a third hook 39 and a fourth hook 40 are disposed in the middle of the chain 36, the third hook 39 and the fourth hook 40 can move on the chain 36, the motor four 33 is controlled to act by a controller, the controller is powered by a power supply, the power supply and the controller is disposed in the box 32, and the box 32 is fixed on the main body 47. Since the lifting device is suspended from the mounting base by the central bearing shaft 46, the problem of the center of gravity needs to be considered. Therefore, the box body 31 is L-shaped, so that the central bearing shaft 46 is positioned at the central position of the lifting device 11, and stable lifting is ensured.
Specifically, the mounting base comprises a front mounting base 49 and a rear mounting base 50 which are arranged front and back, the front mounting base 49 and the rear mounting base 50 are symmetrically and alternately arranged, vertical plates extend downwards from adjacent ends of the front mounting base 49 and the rear mounting base 50, a connecting plate 51 is fixedly arranged at the upper end of the central bearing shaft 46, and the connecting plate 51 is inserted between the vertical plates of the front mounting base 49 and the rear mounting base 50 and fixedly connected through a connecting piece. The connecting piece can be a pin shaft, and cotter pins are respectively arranged at two ends of the pin shaft for limiting, or bolts, nuts and the like.
Of course, the lifting device 11 of the present utility model may be suspended by a conventional crane.
The motor IV 33 drives the gear III 34 and the gear IV 35 to reversely rotate. When the first hook 37 and the second hook 38 are needed to be used for hanging cargoes, the motor IV 33 drives the two ends of the chain 36, the first hook 37 and the second hook 38 to move downwards, the middle part of the chain and the third hook 39 and the fourth hook 40 to move upwards. When the third hook 39 and the fourth hook 40 are needed to be used for hanging cargoes, the fourth motor 33 reversely rotates to drive the first hook 37 and the second hook 38 to move upwards, and the third hook 39 and the fourth hook 40 move downwards. The third hook 39 and the fourth hook 40 are respectively hung on two hanging rings of the container, the container is orderly stacked with goods such as cement, and when the third hook 39 and the fourth hook 40 are lifted upwards, the third hook 39 and the fourth hook 40 are automatically close to tighten the container for packing due to the gravity effect of the goods.
In order to ensure that the centre of gravity of the wagon is stable, the utility model provides two supports 41 at the rear end of the wagon box 1. The support 41 may be a cylinder or a support rod. When the support 41 is an oil cylinder, the same oil passage is used for the oil cylinder as the actuator. After the piston rod of the oil cylinder serving as the supporting member 41 is extended downwards to a proper position, the piston rod of the oil cylinder serving as the driver is extended outwards to drive the supporting column to vertically reset.
The working principle of the utility model is as follows:
during loading, the front-back positions of the longitudinal spandrel girder 10 on the transverse spandrel girder 8 and the transverse spandrel girder 9 are adjusted according to the positions of cargoes to be loaded, cargoes in different positions are hoisted by the longitudinal spandrel girder 10 along the left-right movement of the transverse spandrel girder 8 and the transverse spandrel girder 9 and the front-back positions of the hoisting device 11 on the longitudinal spandrel girder 10, and cargoes are loaded into the wagon box 1 by the hoisting device 11.
During unloading, the front-back positions of the longitudinal spandrel girder 10 on the transverse spandrel girder 8 and the transverse spandrel girder 9 are adjusted according to the unloading positions, cargoes at different positions in the boxcar 1 are hoisted by the left-right movement of the longitudinal spandrel girder 10 along the transverse spandrel girder 8 and the transverse spandrel girder 9 and the front-back positions of the hoisting device 11 on the longitudinal spandrel girder 10, and the cargoes are unloaded to the corresponding positions by the hoisting device 11 for stacking.
The utility model can be directly used with the utility model patent of a full-automatic stacking and packaging machine (the authorized bulletin number is CN 202337376U) applied by the applicant, the equipment is multifunctional equipment integrating bundling, transportation and loading and unloading, can play the self-function, can be directly matched with the full-automatic stacking and packaging machine to realize automatic bundling and loading, can be carried to a terminal user to automatically unload and stack, and has the advantages of tidy stacking, accurate quantity and the like.
Embodiment two: see fig. 14:
the structure of this embodiment is substantially the same as that of the first embodiment, except that:
the present embodiment achieves the overall height adjustment by four telescoping support columns 55. The upper ends of the four telescopic support columns 55 are connected with an upper frame, and the upper frame comprises a left side beam 6, a right side beam 7, a first transverse spandrel girder 8 and a second transverse spandrel girder 9. The four telescopic support columns 55 can be oil cylinders or electric push rods.
Embodiment III: see fig. 15, 16:
the structure of this embodiment is basically the same as that of the second embodiment, except that:
the embodiment also comprises a box body. The box body is a box body on a van; the box body comprises an upper box body and a lower box body, wherein the upper box body comprises a top plate 56, three upper side plates 57 (such as a left upper side plate, a right upper side plate and a front upper side plate) and an upper door plate 58 positioned at the rear side, the lower box body comprises a carriage bottom plate, three lower side plates 59 (such as a left lower side plate, a right lower side plate and a front lower side plate) and a lower door plate 60 positioned at the rear side, longitudinal spandrel girder penetrating holes are formed in the upper side plates 57 at the positions, opposite to the upper door plate, of the upper box body, the length of the longitudinal spandrel girder 10 is larger than the distance between a first transverse spandrel girder 8 and a second transverse spandrel girder 9, and when the upper door plate 58 is opened, the rear end of the longitudinal spandrel girder 10 can extend out of the second transverse spandrel girder 9 and the front end of the upper box body is positioned in the box body; when the upper door panel 58 is closed, the front end of the longitudinal spandrel girder 10 extends out of the longitudinal spandrel girder passing hole and the rear end is located in the case.
That is, when the rear end of the longitudinal girder 10 is required to extend beyond the second transverse girder 9, such as when an operation is required, the upper door panel 58 and the lower door panel 60 are opened, and the rear end of the longitudinal girder 10 is adjusted to extend beyond the second transverse girder 9; when the vehicle is running or no work is required, the upper door panel 58 and the lower door panel 60 are closed, and the rear end of the longitudinal spandrel girder 10 is adjusted to the inside of the box body, and the front end extends out of the longitudinal spandrel girder passing hole.
The container body of this embodiment may also be a container, in which case both ends of the longitudinal spandrel girder 10 are located within the container.
In this embodiment, the four telescopic support columns 55 are telescopic to drive the upper box body to move up and down, so that the volume of the inner cavity of the box body can be adjusted.
The above embodiment is only one of the preferred embodiments of the present utility model, and is not intended to limit the scope of the present utility model, therefore: all equivalent changes in shape, structure and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (9)
1. The utility model provides a freight train is from loading and unloading device which characterized in that: comprises four supporting columns with the lower ends hinged on a boxcar (1), wherein the four supporting columns are in rectangular distribution, the upper ends of the corresponding two supporting columns are hinged on a left side beam (6), the upper ends of the other two supporting columns are hinged on a right side beam (7), the left side beam (6) and the right side beam (7) are respectively connected with the transverse spandrel beam (9) through a transverse spandrel beam I (8), longitudinal spandrel beams (10) are arranged on the transverse spandrel beam I (8) and the transverse spandrel beam II (9), the longitudinal spandrel beams (10) are parallel to the left side beam (6) and the right side beam (7), the length of the longitudinal spandrel beams (10) is larger than the distance between the transverse spandrel beam I (8) and the transverse spandrel beam II (9), or the longitudinal spandrel beams (10) are driven by a driving mechanism I to reciprocate along the transverse spandrel beam I (8) and the transverse spandrel beam II (9), the longitudinal spandrel beams (10) are correspondingly arranged on the left side beam (10) and the right side beam (7) through a driving device, the longitudinal spandrel beams (11) can extend out of the front spandrel beam (11) and the rear spandrel beam (11) respectively according to the requirement, the shrinkage of the driver drives the support column to topple forward to reduce the overall height or the elongation of the driver drives the support column to vertically reset;
or: the four telescopic support columns are fixedly arranged on a truck carriage (1) at the lower end, the four telescopic support columns are in rectangular distribution, the upper ends of the four telescopic support columns are connected with an upper frame, the upper frame comprises a left side beam (6), a right side beam (7), a first transverse spandrel beam (8) and a second transverse spandrel beam (9), longitudinal spandrel beams (10) are arranged on the first transverse spandrel beam (8) and the second transverse spandrel beam (9), the longitudinal spandrel beams (10) are arranged in parallel with the left side beam (6) and the right side beam (7), the length of the longitudinal spandrel beams (10) is larger than the distance between the first transverse spandrel beam (8) and the second transverse spandrel beam (9), the longitudinal spandrel beams (10) are fixed on the first transverse spandrel beam (8) and the second transverse spandrel beam (9) or driven by a driving mechanism to reciprocate left and right along the first transverse spandrel beam (9), the rear ends of the longitudinal spandrel beams (10) extend out of the second transverse spandrel beams (9), the length of the longitudinal spandrel beams (10) is larger than the distance between the first transverse spandrel beams (8) and the second spandrel beams (9) and the second spandrel beams (11) are driven by a practical telescopic device to be driven to extend at the front telescopic support columns (11) or can be stretched up in a telescopic device to a front position after the spanned by the spanned device;
or the box body comprises an upper box body with an opening at the lower end and a lower box body with an opening at the upper end, four telescopic supporting columns are fixedly arranged in the lower box body, the upper ends of the telescopic supporting columns are respectively fixedly arranged at corresponding positions in the upper box body, a transverse spandrel girder I (8) and a transverse spandrel girder II (9) are arranged in the front and the back of the upper box body, a longitudinal spandrel girder (10) is arranged on the transverse spandrel girder I (8) and the transverse spandrel girder II (9), the longitudinal spandrel girder (10) is fixed on the transverse spandrel girder I (8) and the transverse spandrel girder II (9) or driven by a driving mechanism I to reciprocate left and right along the transverse spandrel girder I (8) and the transverse spandrel girder II (9), a lifting device (11) is arranged on the longitudinal spandrel girder (10), the telescopic supporting columns stretch to drive the upper box body to move upwards to raise the whole height or stretch and shrink to drive the upper box body to descend the whole height;
a first rolling wheel installation seat group and a second rolling wheel installation seat group are arranged on the longitudinal spandrel girder (10) at intervals in the front-back direction, each rolling wheel installation seat group comprises a front rolling wheel installation seat (13) and a rear rolling wheel installation seat (14), the front rolling wheel installation seats (13) and the rear rolling wheel installation seats (14) are positioned on the front side and the rear side of the transverse spandrel girder I (8) or the transverse spandrel girder II (9), rolling wheels (15) are arranged on the front rolling wheel installation seats (13) and the rear rolling wheel installation seats (14), and the rolling wheels (15) are respectively connected with the transverse spandrel girder I (8) and the transverse spandrel girder II (9) in a rolling way;
the two ends of the front rolling wheel mounting seat (13) and the rear rolling wheel mounting seat (14) are respectively positioned outside the longitudinal spandrel girder (10), the two ends of the front rolling wheel mounting seat (13) and the rear rolling wheel mounting seat (14) are respectively provided with a left rolling wheel mounting seat (16) and a right rolling wheel mounting seat (17), the left rolling wheel mounting seat (16) and the right rolling wheel mounting seat (17) are provided with rolling wheels (15), and the rolling wheels (15) can roll on the longitudinal spandrel girder (10);
the first driving mechanism comprises a first motor (19), a first gear, an intermediate gear and a second gear, a first winding drum (23) and a second winding drum (24) are respectively arranged on gear shafts of the first gear (20) and the second gear (21), the first winding drum (23) and the second winding drum (24) are driven by the first motor (19) to rotate in the same direction, one end of the first winding drum (25) is fixed on the first winding drum (23), the other end of the first winding drum is fixed on a rear rolling wheel mounting seat (14) of the first rolling wheel mounting seat group, one end of the second winding drum (26) is fixed on the second winding drum (24), the other end of the second winding drum (26) is fixed on a rear rolling wheel mounting seat (14) of the first rolling wheel mounting seat group, the first winding drum (23) and the second rolling wheel mounting seat (14) of the first rolling wheel mounting seat group are fixedly arranged on one end of the second rolling wheel (13) of the second rolling wheel mounting seat (13) through a first steel wire rope steering wheel (27), the second steel wire rope (26) between the second winding drum (24) and the rear rolling wheel mounting seat (14) of the first rolling wheel mounting seat group is fixedly arranged on the other end of the second rolling wheel mounting seat (13), the wire rope III (28) between the winding drum I (23) and the front rolling wheel mounting seat (13) of the second rolling mounting seat group is turned through the wire rope steering wheel II (30), and the wire rope IV (29) between the winding drum II (24) and the front rolling wheel mounting seat (13) of the second rolling mounting seat group is turned through the wire rope steering wheel II (30);
the lifting device (11) is arranged on a left mounting seat and a right mounting seat (45), the left mounting seat and the right mounting seat are respectively arranged on the left side and the right side of the longitudinal spandrel girder (10), the left mounting seat is connected to the longitudinal spandrel girder (10) through a left driving wheel and a right mounting seat (45) through a right driving wheel in a rolling way, and the left driving wheel or the right driving wheel is driven by a motor II to roll on the longitudinal spandrel girder (10) to drive the lifting device (11) to reciprocate back and forth along the longitudinal spandrel girder (10);
the lifting device (11) comprises a main body, wherein a driving shaft and a driven shaft are arranged on the main body, a gear III (34) and a gear IV (35) are respectively arranged on the driving shaft and the driven shaft, the gear III (34) and the gear IV (35) are directly or indirectly in meshed transmission, the gear III (34) and the gear IV (35) rotate reversely, the driving shaft is connected with a reduction gearbox (32), the reduction gearbox (32) is driven to rotate by a motor IV (33), lifting chain wheels are respectively arranged on the driving shaft and the driven shaft, a chain (36) is hung on the corresponding lifting chain wheels, the middle part of the chain (36) automatically sags from between the two lifting chain wheels, a hook I (37) and a hook II (38) are respectively arranged at two ends of the chain (36), the hook III (39) and the hook IV (40) can move on the chain (36), the motor IV is controlled by a controller to act, the controller is powered by a power supply, and the power supply and the controller is arranged in the box body is fixed on the main body.
2. A truck self-loading and unloading device as defined in claim 1 wherein: at least one group of rolling wheel mounting seat groups is provided with a locking bolt (18) for fixing the longitudinal spandrel girder (10).
3. A truck self-loading and unloading device as defined in claim 1 wherein: the length of the rear end of the longitudinal spandrel girder (10) which extends out is adjustable according to actual needs and is specifically as follows: the longitudinal spandrel girder (10) moves back and forth on the transverse spandrel girder I (8) and the transverse spandrel girder II (9) manually; or the second driving mechanism is used for driving the first transverse spandrel girder (8) and the second transverse spandrel girder (9) to automatically move back and forth.
4. A truck self-loading and unloading device as defined in claim 1 wherein: the left driving wheel comprises a first driving wheel and a second driving wheel, the first driving wheel and the second driving wheel comprise gear parts and roller parts which are integrally structured, the roller parts are arranged on a longitudinal spandrel girder (10) in a rolling way, the gear parts of the first driving wheel and the second driving wheel are in meshed transmission through an intermediate gear, and the second driving wheel and the first driving wheel are driven by a motor to synchronously rotate.
5. A truck self-loading and unloading device as defined in claim 1 wherein: the left mounting seat and the right mounting seat (45) are fixed on the fixed seat, the lifting device (11) is connected with the mounting seat (45) through the central bearing shaft, and the lifting device (11) can rotate around the central bearing shaft under the manual action or rotate around the central shaft by three motors.
6. A truck self-loading and unloading device as defined in claim 1 wherein: the box body is a box body on a van; the upper box body comprises a top plate, three upper side plates and an upper door plate positioned at the rear side, the lower box body comprises a carriage bottom plate, three lower side plates and a lower door plate positioned at the rear side, longitudinal spandrel girder penetrating holes are formed in the upper side plates at the positions, opposite to the upper door plate, of the upper box body, the length of the longitudinal spandrel girder (10) is larger than the distance between the transverse spandrel girder I (8) and the transverse spandrel girder II (9), and when the upper door plate is opened, the rear end of the longitudinal spandrel girder (10) can extend out of the transverse spandrel girder II (9) and the front end of the longitudinal spandrel girder is positioned in the box body; when the upper door plate is closed, the front end of the longitudinal spandrel girder (10) extends out of the longitudinal spandrel girder through hole, and the rear end is positioned in the box body.
7. A truck self-loading and unloading device as defined in claim 1 wherein: the container is characterized in that the container body is a container, the upper container body comprises a top plate, three upper side plates and an upper door plate positioned at the rear side, the lower container body comprises a bottom plate, three lower side plates and a lower door plate positioned at the rear side, and two ends of the longitudinal spandrel girder (10) are positioned in the container.
8. A truck self-loading and unloading device according to claim 6 or 7, characterized in that: the lower end of the upper side plate is positioned outside the upper end of the lower side plate, and the lower end of the upper door plate is positioned outside the upper end of the lower door plate.
9. A truck self-loading and unloading device as defined in claim 1 wherein: the four telescopic support columns are positioned at four corners of the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811353405.8A CN109532622B (en) | 2018-11-14 | 2018-11-14 | Self-loading and unloading device for truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811353405.8A CN109532622B (en) | 2018-11-14 | 2018-11-14 | Self-loading and unloading device for truck |
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| Publication Number | Publication Date |
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| CN109532622A CN109532622A (en) | 2019-03-29 |
| CN109532622B true CN109532622B (en) | 2023-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811353405.8A Active CN109532622B (en) | 2018-11-14 | 2018-11-14 | Self-loading and unloading device for truck |
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| CN (1) | CN109532622B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792039B (en) * | 2019-11-26 | 2022-05-27 | 蒋运臣 | A kind of engineering equipment for bridge guardrail installation |
| CN111169362B (en) * | 2020-02-26 | 2025-03-11 | 镇江市高等专科学校 | Longitudinal beam transfer vehicle structure |
| CN117141338B (en) * | 2023-10-11 | 2025-12-16 | 佛山市胜欧起重机械科技有限公司 | Cargo handling mechanism and van-type minibus with same |
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| CN106828250A (en) * | 2017-01-20 | 2017-06-13 | 盛文理 | Multi-functional Self-loading-unloading equipment |
| CN108557666A (en) * | 2018-06-29 | 2018-09-21 | 燕山大学 | A kind of buggy hoisting apparatus |
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| CN209870213U (en) * | 2018-11-14 | 2019-12-31 | 温岭市盛开物流设备科技有限公司 | Self-loading and unloading device for truck |
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| GB395800A (en) * | 1932-02-22 | 1933-07-27 | Joah Haigh Walker | Improvements in or relating to lifting and hauling gear for loading and unloading vehicles |
| JPH05221259A (en) * | 1992-02-17 | 1993-08-31 | Otec Japan:Kk | Cargo handling conveyer and its unit |
| CN201646503U (en) * | 2010-04-19 | 2010-11-24 | 浙江工业大学 | Van cargo loading device |
| CN205098016U (en) * | 2015-10-30 | 2016-03-23 | 战家富 | Container tipper |
| CN106828250A (en) * | 2017-01-20 | 2017-06-13 | 盛文理 | Multi-functional Self-loading-unloading equipment |
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| CN109532622A (en) | 2019-03-29 |
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