CN219214827U

CN219214827U - Lifting and discharging device for semitrailer

Info

Publication number: CN219214827U
Application number: CN202222554692.7U
Authority: CN
Inventors: 李阳垒
Original assignee: Shandong Zhongyu Special Purpose Vehicle Manufacturing Co ltd
Current assignee: Shandong Zhongyu Special Purpose Vehicle Manufacturing Co ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-06-20
Anticipated expiration: 2032-09-26

Abstract

The utility model relates to the technical field of self-unloading semitrailers and discloses a lifting and unloading device for a semitrailer, which comprises a saddle and a hopper, wherein the hopper is arranged at the top of the saddle, a rotatable turnover shaft is movably arranged above the rear side of the hopper, a rear door is fixedly sleeved on the turnover shaft, a movable seat is fixedly arranged at the bottom of the hopper, a rotatable movable shaft is movably arranged at the top of the saddle corresponding to the position of the movable seat, and the movable seat is fixedly sleeved on the movable shaft. According to the utility model, under the action of gravity, the push plate moves downwards along with the materials in the hopper, the transmission block on the push plate is in threaded connection with the transmission shaft, the push plate drives the transmission block to move, so that the transmission groove is driven to rotate, the transmission groove is meshed with the overturning shaft, the overturning shaft is driven to rotate, and the rear door can be overturned at the moment, so that the effect that the rear door is overturned and opened gradually during unloading is achieved, and the situation that the materials are scattered due to the fact that the materials are poured out at one time is avoided.

Description

Lifting and discharging device for semitrailer

Technical Field

The utility model relates to the technical field of self-unloading semitrailers, in particular to a lifting and discharging device for a semitrailer.

Background

The semitrailer is a trailer with axles placed behind the center of gravity of the vehicle and equipped with a coupling device for transmitting horizontal and vertical forces to the tractor, and is generally filled with a large amount of material, which is troublesome in unloading the material and requires lifting the trailer.

Through principal search, patent number CN211892967U discloses a self-discharging semitrailer back door elevating gear, relates to self-discharging semitrailer technical field. Including trailer body, trailer hopper, linkage wire rope, lift gate, stop gear, first leading wheel and second leading wheel, stop gear installs on the trailer hopper, the lift gate is installed at the tail end of trailer hopper and is in stop gear, first leading wheel is installed the upper end the place ahead of trailer hopper, the second leading wheel is installed the upper end rear of trailer hopper, be equipped with wire rope fixed block on the trailer body, linkage wire rope's one end is fixed on the wire rope fixed block, the bottom of lift gate is equipped with the hoisting block, linkage wire rope's the other end is fixed on the hoisting block.

Generally, when unloading, the rear door is directly opened, the raw materials can be poured on the ground at one time, and the raw materials can be scattered, so that the diffusion range of the raw materials is enlarged, and the raw materials are difficult to clean by workers.

Disclosure of Invention

The utility model mainly solves the technical problems in the prior art, and therefore, the utility model provides a lifting and discharging device for a semitrailer.

In order to achieve the above purpose, the lifting unloading device for the semitrailer comprises a saddle and a hopper, wherein the hopper is arranged at the top of the saddle, a rotatable turnover shaft is movably arranged above the rear side of the hopper, a rear door is fixedly sleeved on the turnover shaft, a movable seat is fixedly arranged at the bottom of the hopper, a rotatable movable shaft is movably arranged at the top of the saddle corresponding to the position of the movable seat, the movable seat is fixedly sleeved on the movable shaft, a push plate is movably arranged at the left side of the inside of the hopper, the push plate is a rectangular plate with the same size as the inside of the hopper, transmission grooves are formed in the upper parts of the left side and the right side of the inside of the hopper, and transmission mechanisms are arranged in the transmission grooves.

Preferably, the transmission mechanism comprises a transmission shaft and a transmission block, the transmission shaft is a cylindrical rod with threads, the transmission shaft is movably mounted in the transmission groove, the transmission block is of a rectangular structure, and the transmission block is movably mounted on the transmission shaft.

Preferably, the transmission shaft penetrates through the left side wall and the right side wall of the transmission block to be in threaded connection with the transmission block, the transmission block is fixedly connected with the push plate, and the transmission shaft is meshed with the overturning shaft.

Preferably, the top of saddle has seted up movable groove, and the bottom of movable groove is the inclined plane, and driving motor is inlayed to the inside front side of saddle, and fixed mounting has the pivot on driving motor's the output, and the pivot is located the inside of movable groove, has the extrusion piece through screw thread movable mounting in the pivot, and the bottom wall of extrusion piece is the inclined plane that laminates mutually with movable groove bottom.

Preferably, the bottom wall surface and the left side wall surface and the right side wall surface inside the hopper are respectively provided with a chute, and the positions of the push plates corresponding to the chutes are respectively fixedly provided with a limiting block positioned inside the chute.

Preferably, the top of the extrusion block is provided with a mounting groove, a pulley is movably mounted above the inside of the mounting groove, and a spring connected with the extrusion block is fixedly mounted at the bottom of the pulley.

Advantageous effects

The utility model provides a lifting and unloading device for a semitrailer. The beneficial effects are as follows:

(1) This lifting discharge device for semitrailer starts driving motor and makes the pivot rotatory, and the inside of pivot drive extrusion piece at the movable groove removes, and then extrudees the car hopper, and the car hopper will regard the movable shaft as the basic point upset, and the push pedal will incline this moment, and under the effect of gravity, the push pedal will move down along with the inside material of car hopper, and the drive block and the transmission shaft threaded connection on the push pedal, the push pedal drives the drive block and removes and will make the drive groove be driven rotatory, meshing between drive groove and the tilting axis, the tilting axis will be driven rotatory, the back door will overturn this moment to reached the effect that the back door overturns gradually when unloading, and then avoided the disposable whole pouring out of raw materials to lead to the condition emergence of raw materials scattering.

(2) This lifting discharge device for semitrailer, the inside of extrusion piece has the pulley through spring movable mounting, through pulley swing joint between extrusion piece and the car hopper, extrusion piece will extrude the car hopper through the pulley, and the contact between pulley and the car hopper will make the pulley rotatory to reduce the frictional force between pulley and the car hopper, make the upset that the car hopper can be more light unload.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments can be derived from the drawings provided without the inventive effort.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the ambit of the technical disclosure.

FIG. 1 is a schematic diagram of the main structure of the present utility model;

FIG. 2 is an enlarged view of the utility model at A in FIG. 1;

fig. 3 is an enlarged view of the utility model at B in fig. 1.

Legend description:

1. a saddle; 2. a hopper; 3. a rear door; 4. a turnover shaft; 5. a movable seat; 6. a movable shaft; 7. a chute; 8. a push plate; 9. a transmission groove; 10. a transmission shaft; 11. a transmission block; 12. a movable groove; 13. a driving motor; 14. a rotating shaft; 15. extruding a block; 16. a mounting groove; 17. a pulley; 18. a spring; 19. and a limiting block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: the utility model provides a lift discharge apparatus for semitrailer, as shown in fig. 1 through 3, including saddle 1 and car hopper 2, saddle 1 is rectangular structure, car hopper 2 is hollow rectangular structure, car hopper 2 sets up at saddle 1's top, rotatable tilting shaft 4 is movable mounting in inside rear side top of car hopper 2, tilting shaft 4 is cylindrical structure, fixed back door 3 of having cup jointed on the tilting shaft 4, back door 3 is rectangular structure's board, movable seat 5 is rectangular structure, movable seat 5's top correspondence movable seat 5's position movable mounting has rotatable loose axle 6, movable seat 5 is fixed cup joint on loose axle 6, inside left side movable mounting of car hopper 2 has push pedal 8, push pedal 8 is the rectangular plate unanimous with inside size of car hopper 2, transmission groove 9 has all been seted up to inside left and right sides top of car hopper 2, transmission groove 9 is rectangular structure's groove, transmission mechanism is provided with in the inside of transmission groove 9.

The transmission mechanism comprises a transmission shaft 10 and a transmission block 11, wherein the transmission shaft 10 is a cylindrical rod with threads, the transmission shaft 10 is movably arranged in the transmission groove 9, the transmission block 11 is of a rectangular structure, the transmission block 11 is movably arranged on the transmission shaft 10, the transmission shaft 10 penetrates through the left side wall and the right side wall of the transmission block 11 to be in threaded connection with the transmission block 11, the transmission block 11 is fixedly connected with the push plate 8, and the transmission shaft 10 is meshed with the overturning shaft 4.

The top of saddle 1 has seted up movable groove 12, and movable groove 12 is the groove of rectangle structure, and the bottom of movable groove 12 is the inclined plane, and saddle 1's inside front side is inlayed and is installed driving motor 13, and fixed mounting has pivot 14 on driving motor 13's the output, and pivot 14 is located movable groove 12's inside, has extrusion piece 15 through screw thread movable mounting in the pivot 14, and extrusion piece 15 is the piece of rectangle structure, and extrusion piece 15's bottom wall is the inclined plane that laminates mutually with movable groove 12 bottom.

The sliding grooves 7 are formed in the left side wall surface and the right side wall surface of the inside of the car hopper 2, the sliding grooves 7 are triangular grooves, limiting blocks 19 positioned in the sliding grooves 7 are fixedly installed on the pushing plate 8 corresponding to the sliding grooves 7, and the limiting blocks 19 are triangular blocks.

The top of the extrusion block 15 is provided with a mounting groove 16, a pulley 17 is movably mounted above the inside of the mounting groove 16, and a spring 18 connected with the extrusion block 15 is fixedly mounted at the bottom of the pulley 17.

The working principle of the utility model is as follows:

when the automatic overturning device is used, the driving motor 13 is started to enable the rotating shaft 14 to rotate, the rotating shaft 14 drives the extrusion block 15 to move in the movable groove 12, the hopper 2 is extruded, the movable shaft 6 is taken as a base point to overturn, the push plate 8 is inclined at the moment, under the action of gravity, the push plate 8 moves downwards along with materials in the hopper 2, the transmission block 11 on the push plate 8 is in threaded connection with the transmission shaft 10, the push plate 8 drives the transmission block 11 to move, the transmission groove 9 is driven to rotate, the transmission groove 9 is meshed with the overturning shaft 4, the overturning shaft 4 is driven to rotate, the rear door 3 is overturned at the moment, the effect that the rear door 3 is overturned gradually to be opened during unloading is achieved, and the situation that raw materials are scattered is avoided when the raw materials are all dumped at one time.

The pulley 17 is movably arranged in the extrusion block 15 through the spring 18, the extrusion block 15 is movably connected with the hopper 2 through the pulley 17, the hopper 2 is extruded through the pulley 17 by the extrusion block 15, and the pulley 17 is rotated by contact between the pulley 17 and the hopper 2, so that the friction force between the pulley 17 and the hopper 2 is reduced, and the hopper 2 can be overturned more easily to discharge.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a lift discharge apparatus for semitrailer, includes saddle (1) and car hopper (2), and car hopper (2) set up at the top of saddle (1), its characterized in that: the inside rear side top movable mounting of car hopper (2) has rotatable tilting shaft (4), fixed back door (3) of having cup jointed on tilting shaft (4), the bottom fixed mounting of car hopper (2) has movable seat (5), the top of saddle (1) corresponds the position movable mounting of movable seat (5) has rotatable loose axle (6), movable seat (5) is fixed cup joints on loose axle (6), inside left side movable mounting of car hopper (2) has push pedal (8), push pedal (8) be with the inside rectangular plate of the unanimous of size of car hopper (2), transmission groove (9) have all been seted up to the inside left and right sides top of car hopper (2), the inside of transmission groove (9) is provided with drive mechanism.

2. The lifting and unloading device for semitrailers according to claim 1, wherein: the transmission mechanism comprises a transmission shaft (10) and a transmission block (11), wherein the transmission shaft (10) is a cylindrical rod with threads, the transmission shaft (10) is movably mounted in the transmission groove (9), the transmission block (11) is a block with a rectangular structure, and the transmission block (11) is movably mounted on the transmission shaft (10).

3. The lifting and unloading device for semitrailers according to claim 2, wherein: the transmission shaft (10) penetrates through the left side wall and the right side wall of the transmission block (11) to be in threaded connection with the transmission block (11), the transmission block (11) is fixedly connected with the push plate (8), and the transmission shaft (10) is meshed with the overturning shaft (4).

4. The lifting and unloading device for semitrailers according to claim 1, wherein: the top of saddle (1) has seted up movable groove (12), and the bottom of movable groove (12) is the inclined plane, and driving motor (13) are inlayed to the inside front side of saddle (1), and fixed mounting has pivot (14) on the output of driving motor (13), and pivot (14) are located the inside of movable groove (12), have extrusion piece (15) through screw thread movable mounting in pivot (14), and the bottom wall of extrusion piece (15) is the inclined plane that laminates mutually with movable groove (12) bottom.

5. The lifting and unloading device for semitrailers according to claim 1, wherein: sliding grooves (7) are formed in the left side wall surface and the right side wall surface of the inside of the car hopper (2), and limiting blocks (19) located in the sliding grooves (7) are fixedly installed at positions, corresponding to the sliding grooves (7), on the pushing plate (8).

6. The lifting and unloading device for semitrailers as defined in claim 4, wherein: the top of extrusion piece (15) has seted up mounting groove (16), and the inside top movable mounting of mounting groove (16) has pulley (17), and the bottom fixed mounting of pulley (17) has spring (18) that are connected with extrusion piece (15).