CN111196199A - Propelling movement formula tipper - Google Patents

Abstract

A pushing type self-discharging vehicle is characterized in that a set of goods pushing device is arranged in a closed carriage body (7) provided with a rear door (9) and a carriage cover and consists of a front supporting frame (2), a rear pushing frame (4) and a power oil cylinder (3), grooves are arranged on the bottom surfaces of the front supporting frame and the rear pushing frame, a plurality of barrier piles (5) which are orderly arranged from front to back are arranged on a bottom plate of the carriage body (7), the barrier piles (5) can move forwards or backwards by the operation rod system oil cylinder (8) and the rod system (6), the pushing type dump truck can use a shorter common engineering oil cylinder as a power oil cylinder to finish the whole unloading operation of the whole carriage, is not limited by the length of the carriage, has reasonable and simple structure, is safe to unload and does not overturn, the compressed loading device can also be used for compressed loading of loose cargos such as grasses and the like, and can also be used for pushing and unloading cargos with high viscosity such as silt and the like.

Description

Propelling movement formula tipper

Technical Field

A push-type self-dumping truck is suitable for modifying the chassis of ordinary truck, dumper, semi-trailer and full-trailer to become a push-type self-dumping truck, a push-type semi-trailer and a push-type full-trailer.

Background

The common dump trucks are of a back-turning type and a side-turning type, the unloading is realized by lifting and inclining a carriage body, the unloading is realized by differential movement of a conveyor belt or a carriage body floor, a dump truck which pushes goods to unload by a power cylinder is developed at home and abroad in recent years, the unloading is finished by more than two piston type oil cylinders in a segmentation way, or a double-acting multi-stage sleeve cylinder (plunger cylinder) is used to complete the unloading operation of the whole carriage at one time, and a pen worker designs a step-push type dump truck (the patent number is ZL201420013287.7) and a plug-pull type step-push type dump truck (the patent number is ZL201620074055.1), it is characterized in that left and right bolt holes are arranged on the left and right side walls in the carriage or the carriage bottom plate in order from front to back, and the stepping pushing and unloading operation is realized through the bolts and the bolt oil cylinders which are arranged on the front supporting frame and the rear pushing frame.

Disclosure of Invention

The invention aims to provide a push type dump truck, wherein blocking piles (5) are sequentially arranged on a bottom plate in a carriage from front to back, and goods are pushed and unloaded by sequentially working a rear pushing frame (4), notches below a front supporting frame (2) and a power oil cylinder (3). A

The technical scheme adopted by the invention for solving the technical problems is as follows: a push-type self-unloading truck is composed of chassis, truck carriage body, back door and cargo push unit in the truck carriage body, which is composed of front and back supporting frames, and power oil cylinders with both ends connected to said supporting frames.

The invention has the beneficial effects that:

1. because the carriage body does not need to be lifted or tilted during unloading, the stability is good, and the occurrence of a rollover accident during unloading is avoided.

2. The goods with higher viscosity can be conveniently unloaded.

3. The compressed loading of the carriage is facilitated when loose goods (such as grass and the like) are loaded.

4. The segmented pushing and unloading can use common engineering oil cylinders without the limitation of the structural length, can use shorter oil cylinders to realize the pushing and unloading of longer cargo compartments (such as semi-trailer compartments and full trailer compartments), and has low manufacturing cost.

The invention will be further explained with reference to the drawings

FIG. 1 is a schematic view of the general structure of a push-type dump truck

FIG. 2 is a sectional view taken along line A-A of FIG. 1

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 2

FIG. 4 is a view from the direction C of FIG. 3

FIG. 5 is a schematic view (I) of the unloading sequence of the pushing type dump truck

FIG. 6 is a schematic view (II) of the unloading sequence of the pushing type dump truck

FIG. 7 is a schematic view (III) of the unloading sequence of the pushing type dump truck

FIG. 8 is a schematic view (IV) of the unloading sequence of the pushing type dump truck

FIG. 9 is a schematic view showing the sequence of unloading operation of the pushing type dump truck (V)

FIG. 10 is a schematic view (I) of the operation procedure for returning the pushing device of the pushing type dump truck to the carriage

FIG. 11 is a schematic view (II) of the operation procedure of the pusher-type dump truck to return to the inside of the vehicle body

FIG. 12 is a schematic view (III) of the procedure for returning the pusher of the pusher-type dump truck to the inside of the vehicle body

FIG. 13 is a schematic view (IV) of the procedure for returning the pusher of the pusher-type dump truck to the inside of the vehicle body

FIG. 14 is a schematic view (V) of the operation procedure of the pusher-type dump truck to return to the inside of the vehicle body

In the figure; 1. the hydraulic lifting device comprises a chassis, 2 parts of a front support frame, 3 parts of a power cylinder, 4 parts of a rear pushing frame, 5 parts of a barrier pile, 6 parts of a rod system, 7 parts of a carriage body, 8 parts of a rod system cylinder, 9 parts of a rear door, 10 parts of a gear, 11 parts of a compression spring, 12 parts of a pile head, 13 parts of a key and 14 parts of a gasket.

Detailed Description

A pushing type self-discharging vehicle is composed of a chassis 1, a carriage body 7, a rear door 9 and a cargo pushing device arranged in the carriage body 7, the goods pushing device arranged in the carriage body 7 consists of a front supporting frame 2, a rear pushing frame 4 and a power oil cylinder 3, wherein the front end and the rear end of the power oil cylinder are respectively connected with the front supporting frame 2 and the rear pushing frame 4, a plurality of fence blocking piles 5 which are orderly arranged from front to back are arranged on a bottom plate in the carriage body 7, each fence blocking pile 5 consists of a pile head 12, a compression spring 11, a gasket 14, a gear 10 and a key 13, wherein the head of the pile head 12 is a wedged inclined plane and is arranged in a pile hole fixed on the bottom plate of the carriage body 7, the compression spring 11, the gasket 14, the gear 10 and the key 13 are sleeved on the pile head 12 and the gear 10, all rack parts on a rod of a rod system 6 with racks are respectively meshed with the gear 10 on all fence blocking piles 5, and one end of the rod system 6 is connected with a rod system oil cylinder 8 to form an operating.

As shown in fig. 1, a carriage body 7 of a push type dump truck is fixedly arranged on a crossbeam of a chassis 1, the carriage body is provided with an upper cover and a rear door 9, a bottom plate in the carriage body 7 is provided with a plurality of barrier piles 5 which are orderly arranged from front to back, the cargo pushing device consists of a front support frame 2 and a rear push frame 4, one end of a power oil cylinder 3 is hinged with the front support frame 2, the other end of the power oil cylinder is hinged with the rear push frame 4 (two or more power oil cylinders can be simultaneously arranged in parallel according to the pushing and unloading amount), the bottoms of the front support frame 2 and the rear push frame 4 are respectively provided with a groove, so that a pile head 12 of the barrier pile 5 can be embedded, the whole carriage body 7 is internally divided into two cavities by the pushing device, the front cavity is provided with the pushing device, the rear cavity is loaded with cargos, the pushing device moves from front to back and gradually unloads the cargos from the opened rear door 9, after unloading, the pushing device gradually returns to the front of the carriage body from back to front, the rear door 9 can be closed after the rear cavity of the carriage body 7 is empty, and the carriage cover is opened for next loading operation.

Fig. 2 is a sectional view taken along line a-a of fig. 1, and it can be seen from fig. 2 that a plurality of fence-blocking piles 5 are sequentially arranged on the floor of the carriage body 7 from front to back, and a total of 12 fence-blocking piles are arranged in two rows (the number and the spacing distance of the fence-blocking piles 5 can be increased or decreased according to the length of the carriage body and the designed stroke of the power cylinder 3).

Fig. 3 is a sectional view taken along line B-B of fig. 2, fig. 3 shows the internal structure of the fence-stopping pile 5, in the fence-stopping pile hole on the floor of the car body 7, the pile head 12 with wedge-shaped inclined plane is installed, the compression spring 11 is sleeved on the pile head 12, the washer 14, the key 13, the gear 10 are also sleeved under the pile head, and fixed by two round nuts, the rack part of the bar system 6 is engaged with each gear 10, the moving bar system 6 can rotate the gear 10 through the rack, the pile head 12 rotates with the gear 10 because the key 13 connects the pile head 12 and the gear 10 into one, as shown in fig. 3, the head of the pile head 12 with wedge-shaped inclined plane is in inclined plane left state, and as shown in fig. 4, when the bar system 6 moves to the right, the gear 10 rotates clockwise together with the pile head 12, when the bar system 6 moves 1/2 of the gear 10 to index circumference length, the pile head 12 rotates just 180 degrees, the head inclined plane is just right as the inclined plane shown by the two-dot chain line in fig. 3. It can be seen that the direction of the inclined plane of the pile head 12 can be changed by moving the lever system 6, and it can be seen from fig. 3 that the gear 10 is thicker, and it is still ensured that the gear 10 engages with the rack of the lever system 6 when the pile head 12 is pressed down a distance. The movement of the rod system 6 is controlled by a control rod system oil cylinder 8, as can be seen from figure 1, the rod system 6 is connected with the rod system oil cylinder 8 and is arranged at two sides of the barrier pile 5, a rack on the rod system 6 is meshed with a gear 10 of the barrier pile, and the rod system 6 can move left and right only by controlling the control rod system oil cylinder 8, so that the inclined plane direction of a barrier pile head 12 is changed.

Fig. 5, 6, 7, 8, and 9 show the operation sequence of the components when the pusher-type dump truck completes each pushing step during the unloading operation (which will be described in detail in the following operation process, and fig. 10, 11, 12, 13, and 14 show the operation sequence in which the pusher returns to the inside of the vehicle cabin after the unloading operation of the pusher-type dump truck is completed, and will also be described in further detail in the following text).

A push type dump truck operates in the following mode, as shown in figure 1, the push type dump truck is in a parking unloading state, at the moment, a pushing device is arranged at the front part in a carriage, a power oil cylinder 3 is folded, a front support frame 2 and a rear push frame 4 are closed together, two barrier piles 5 on the bottom plate of the carriage are respectively inserted into grooves on the bottom surfaces of the front support frame 2 and the rear push frame 4, a piston rod of a rod system oil cylinder 8 extends to a proper position, so that an inclined plane on a pile head 12 of each barrier pile 5 is in a left-low-right-high-inclined state, the rear part of a carriage body 7 is filled with goods, the unloading operation starts, a rear door 9 is opened, a piston rod of the power oil cylinder 3 is extended by a hydraulic system, the rear push frame 4 is driven to move backwards, the goods are unloaded from a rear door opening, (as shown in figure 5, in the process that the rear push frame 4 moves backwards, the grooves at the bottom of, until reaching the set fourth fence-blocking pile 5 embedded in the groove), completing the first-step unloading operation. As shown in fig. 6, the power cylinder 3 retracts, the piston rod retracts, and the rear pushing frame 4 cannot move forward due to the action of the barrier piles 5 in the grooves on the bottom surface of the rear pushing frame 4, so that the rear pushing frame 4 is forced to move back and close to the power cylinder 3 and retract, and the grooves on the bottom of the front supporting frame 2 are just inserted into the barrier piles 5, so that the preparation of the next pushing and unloading operation is completed. As can be seen from fig. 7 and 8, the pusher apparatus completes the second unloading operation and is in the preparation state for the next unloading operation in the same operation sequence as in fig. 5 and 6. Fig. 9 shows the operation state of the dump truck after the last step of unloading (if the designed dump truck carriage is longer, several groups can be added between fig. 8 and fig. 9).

Fig. 10, 11, 12, 13 and 14 are schematic views showing the whole process of returning the pushing device to the inside of the carriage body until the next loading state is achieved after the unloading is completed, at this time, the rod system cylinder 8 is controlled to retract the piston rod to drive the rod system 6 to move backwards, as can be seen from fig. 3 and 4, when the rod system 6 moves to the right by the distance of 1/2 division circumference of the gear 10, the gear 10 engaged with the rack on the rod system 6 rotates 180 degrees clockwise to drive the pile head 12 to rotate 180 degrees simultaneously, so that the inclined plane of the head of the pile head 12 is inverted to be an inclined plane with a lower right and a higher left, at this time, the fence-blocking pile 5 plays a role of blocking the pushing device from moving backwards, and then the operation of returning the pushing device to the front of the carriage body is started, in this way, the oil feeding and discharging of the power cylinder 3 are controlled step-wise, that is, the piston rod of the power cylinder 3 is extended and retracted continuously, the bottoms of the front support frame 2 and the rear push frame 4 are pressed down and, so that the dumper is pressed and inserted into the lower groove, retreated from the rear to the front of the carriage step by step until the state shown in fig. 14 is obtained, and the rear door 9 is closed to put the dumper in a state to be loaded.

Claims (2)

1. A push type dump truck comprises a chassis (1), a carriage body (7), a rear door (9) and a cargo pushing device arranged in the carriage body (7), and is characterized in that the cargo pushing device arranged in the carriage body (7) comprises a front supporting frame (2), a rear pushing frame (4) and a power oil cylinder (3) of which the front end and the rear end are respectively connected with the front supporting frame (2) and the rear pushing frame (4).

2. A push type dump truck is further characterized in that a plurality of blocking piles (5) which are sequentially arranged from front to back are arranged on an inner bottom plate of a truck carriage body (7), each blocking pile (5) is composed of a pile head (12) with a wedge-shaped inclined plane head, a compression spring (11), a gasket (14), a gear (10) and a key (13) for connecting the pile head (12) with the gear (10), the pile head is fixed in a pile hole in the bottom plate of the truck carriage body (7), a rod system (6) with racks is arranged, the racks on the rod are meshed with the gear (10) on each blocking pile (5), one end of the rod system (6) is connected with a rod system oil cylinder (8), and an operating mechanism of the blocking piles (5) is formed.

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