CN212473225U - Multi-drive type novel unloading device for dump truck - Google Patents

Abstract

The utility model discloses a novel discharge apparatus of formula that drives more for on tipper, include: the two parallel cross beams are fixedly arranged on a chassis of the vehicle body; and a plate chain conveyor installed between the two cross beams; the plate link chain conveyor has: the drive shafts are parallel to each other, the two ends of each drive shaft are rotatably arranged on the two cross beams, and chain wheels are arranged at the two ends of each drive shaft. Has the advantages that: unloading device for tipper install on the tipper chassis of railway carriage below, but adaptation applicant's novel tipper, it is when the uninstallation powdery material, the railway carriage can remain motionless, unload through the unloading device of this application that sets up in the railway carriage below, the railway carriage does not lift the discharge with the pneumatic cylinder, security when having promoted the vehicle greatly and unloading, corresponding can suitably improve the loading capacity of railway carriage, especially adapted powdery material safety, quick unloading, the practicality is good.

Description

Multi-drive type novel unloading device for dump truck

Technical Field

The utility model relates to a tipper field, concretely relates to novel discharge apparatus of formula that drives more for on tipper.

Background

At present, when a dumper loaded with loose materials such as sand, powder, coal, ash and the like is unloaded, a carriage is jacked up to be inclined by a hydraulic cylinder on a vehicle-mounted chassis, and then the dumper slides down from the carriage by the aid of the dead weight of powdery materials to finish unloading.

Due to the influence of the operating cost, a vehicle owner generally overloads a few tons and tens of tons more when pulling goods, for example, a common highway killer is a hundred-ton king, the overload not only seriously affects the safety performance of the vehicle, but also brings danger to a hydraulic cylinder to lift a carriage, and in actual production, safety production accidents such as the hydraulic cylinder cannot lift the carriage or the hydraulic cylinder bursts, breaks and turns over due to excessive weight of the carriage materials often occur, especially heavy-duty trucks loaded with coal, gravel and other materials.

If the weight of the vehicle-mounted material is large and the volume is not too small, the vehicle-mounted material can be unloaded from the vehicle by adopting a crane, a forklift and other equipment, but for heavy trucks loading a large amount of powder materials (such as sand and stone and coal blocks), the hydraulic cylinder is controlled to lift the carriage to unload the powder materials under the risk of damaging the vehicle, or the heavy trucks unload the powder materials by manpower, which is troublesome and time-consuming, so that in order to meet the requirements of the heavy trucks with large loading capacity on safe and quick unloading of the powder materials, the applicant designs a novel dumper, the carriage of the dumper is not moved when unloading the material, the material is unloaded by an unloading device arranged below the carriage, the hydraulic cylinder is not used to lift the carriage, the safety is high, the loading capacity of the carriage is large, the dumper is very suitable for transporting the powder materials, and the specific shape and the working principle of the dumper can, the application discloses discharge apparatus is just for supporting above-mentioned novel tipper and design.

In addition, in recent years, the country has gradually increased the management and control of the flat-bed dump truck, and at present, the flat-bed dump truck (including a back-tipping dump truck and a side-tipping dump truck) has been called to stop production, so that it is urgent to find a new self-unloading mode.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an unloader for dumper in order to solve above-mentioned problem to solve traditional dumper and adopted the pneumatic cylinder to lift the design that the railway carriage carries out the unloading and restricted the volume of carrying cargo of dumper, the dumper loads goods can not too many, otherwise the pneumatic cylinder can't lift the railway carriage and unload, perhaps the pneumatic cylinder lifts the railway carriage and takes place the rollover accident when unloading, serious leading to the car to destroy the casualties, the tradition discharge mode that adopts the pneumatic cylinder can't satisfy the heavy cargo truck of big load capacity promptly and is safe to the powdery material, the quick demand of unloading of carrying on. The utility model provides a discharge apparatus installs on the tipper chassis of railway carriage below, but adaptation applicant's novel tipper, and it is when the uninstallation powdery material, the railway carriage can remain motionless, unloads through setting up the discharge apparatus in railway carriage below, and the railway carriage does not need the pneumatic cylinder to lift and unloads, has promoted the security when the vehicle unloads greatly, and corresponding can suitably improve the loading capacity of railway carriage, especially adapted powdery material safety, quick unloading, and the practicality is good, describes in detail below.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a novel discharge apparatus of formula that drives more for on tipper, include:

the two parallel cross beams are fixedly arranged on a chassis of the vehicle body; and

a plate chain conveyor installed between the two cross beams;

the plate link chain conveyor has:

the two ends of the driving shafts are rotatably arranged on the two cross beams, and the two ends of each driving shaft are provided with chain wheels;

the motors are in transmission connection with the driving shaft and are used for driving the driving shaft to rotate;

the plate chain with chains at two ends is tightly sleeved on the plurality of chain wheels and is driven to rotate by the chains; and

and the tensioning device is used for keeping the plate chain tensioned.

As an important design of the scheme, the plate chain support device further comprises a support frame which is in contact with the upper surface of the inner side of the plate chain and is used for supporting the plate chain, and the support frame is fixedly connected with the two cross beams.

As the optimized design of the scheme, the plate chain is formed by hinging a plurality of chain plates end to end, and two ends of each chain plate are provided with baffle plates capable of preventing powder from spilling and leaking; the upper end and the lower end of the cross beam are fixedly provided with mounting seats fixedly connected with a chassis of the vehicle body and a carriage, and the height of each mounting seat is greater than that of each baffle.

As the optimized design of the scheme, mounting holes are formed in two ends of the chain plate, and the baffle plate is fixedly connected to the chain plate in an inserted mode through the mounting holes.

As the optimized design of the scheme, the baffle plates of two adjacent chain plates with horizontal upper surfaces are in close contact.

As the optimized design of the scheme, the motor is a hydraulic motor, and the discharging device further comprises an oil pipe which connects the hydraulic motor with a hydraulic pump of the vehicle body.

As an optimized design of the present case, the tensioning device comprises:

the sliding block is sleeved on the driving shaft at the end part of the cross beam in a rolling way;

the sliding chute is arranged on the cross beam and used for slidably mounting the sliding block; and

and the hydraulic cylinder is fixedly arranged on the cross beam and used for pushing the sliding block to horizontally slide in the sliding groove.

As the optimized design of the scheme, a scraper conveyor is used for replacing a plate chain conveyor.

Has the advantages that: unloading device for tipper install on the tipper chassis of railway carriage below, but adaptation applicant's novel tipper, it is when the uninstallation powdery material, the railway carriage can remain motionless, unload through the unloading device of this application that sets up in the railway carriage below, the railway carriage does not lift the discharge with the pneumatic cylinder, security when having promoted the vehicle greatly and unloading, corresponding can suitably improve the loading capacity of railway carriage, especially adapted powdery material safety, quick unloading, the practicality is good.

Drawings

In order to more clearly illustrate the embodiments of the present invention 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 is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a dump truck equipped with the discharging device of the present invention;

fig. 2 is a front view of the discharging device of the present invention;

fig. 3 is a top view of the discharging device of the present invention;

FIG. 4 is a top view of the discharging device of the present invention with the plate link removed;

FIG. 5 is a cross-sectional view B-B of FIG. 4;

FIG. 6 is a front view of the container of FIG. 1;

FIG. 7 is a top view of the container of FIG. 1;

FIG. 8 is a bottom view of the container of FIG. 1;

FIG. 9 is a cross-sectional view C-C of FIG. 6;

fig. 10 is a cross-sectional view taken along line D-D in fig. 7.

The reference numerals are explained below:

1. a vehicle body;

2. a discharge device;

20. a mounting seat; 21. a cross beam; 22. a drive shaft; 23. a motor; 24. an oil pipe; 25. a plate link chain; 26. a support frame; 27. a sprocket; 28. a chain; 29. mounting holes;

3. a carriage;

31. a box body; 32. a box door; 33. a blanking through hole;

4. a baffle plate;

41. a hydraulic cylinder; 42. a chute; 43. a slider; 44. and (4) controlling the valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Fig. 1 shows a novel dump truck designed by the applicant, which comprises a truck body 1, a truck box 3 and a dumping device 2 of the present application.

As shown in fig. 6-10, the container 3 of the present application includes a container body 31 and a container door 32 hinged at the rear end of the container body 31, the upper end of the container body 31 is open, a blanking through hole 33 is provided on the bottom surface of the container body 31, and the blanking through hole 33 is used for allowing the powdery material in the container 3 to fall onto the discharging device 2.

As shown in fig. 1, the lower extreme of railway carriage 3 is provided with the discharge apparatus 2 that the powdery material that will fall out of blanking through-hole 33 unloaded from the car, discharge apparatus 2 installs on the chassis of automobile body 1, railway carriage 3 installs on discharge apparatus 2, this kind of structural design of unloading makes only need start discharge apparatus 2 during unloading can, railway carriage 3 is motionless, whole automobile body 1 is also motionless, unload through discharge apparatus 2, therefore need than the tradition adopt the pneumatic cylinder to lift railway carriage 3 and carry out the mode safety of unloading many, owing to need not worry the problem that the pneumatic cylinder can't lift railway carriage 3, so railway carriage 3 can suitably adorn some powdery materials more, effectively satisfy the heavy cargo vehicle of large loading volume to the powdery material safe, the quick user demand who unloads.

For the convenient design that ordinary cargo heavy-duty car repacking cost utility model discloses, fixed connection can be dismantled with the chassis of automobile body 1 to discharge apparatus 2, and fixed connection can also be dismantled with discharge apparatus 2 to railway carriage 3, for example bolted connection.

Specifically, as shown in fig. 2 to 5, the discharging device 2 includes:

two parallel cross beams 21 fixedly mounted on a chassis of the vehicle body 1; and

a plate chain conveyor installed between the two cross beams 21; the powdery material in the carriage 3 falls onto the plate chain conveyor through the blanking through hole 33, and the plate chain conveyor is started to unload the powdery material from the dumper to finish unloading.

Of course, a scraper conveyor is also possible in addition to a plate chain conveyor.

As shown in fig. 2 to 5, the plate link conveyor has:

the driving shafts 22 are parallel to each other, two ends of each driving shaft 22 are rotatably arranged on the two cross beams 21, and two ends of each driving shaft 22 are respectively provided with a chain wheel 27;

the motors 23 are in transmission connection with the driving shaft 22 and are used for driving the driving shaft 22 to rotate, the motors 23 are fixedly arranged on the cross beam 21, and the discharging device 2 can be ensured to work normally by driving the motors 23;

the plate chain 25 with the chains 28 at two ends, the chains 28 are tightly sleeved on the plurality of chain wheels 27, when the driving shaft 22 rotates, the driving shaft 22 drives the chains 28 to rotate through the chain wheels 27, and the chains 28 rotate to drive the plate chain 25 to move synchronously, so that the powdery materials on the plate chain 25 are unloaded from the dumper; and

a tensioning device for keeping the plate link chain 25 tensioned.

In order to enhance the mechanical strength of the discharging device 2, support the plate chain 25 to rotate at the same time, and prevent the plate chain 25 from being broken by the powdery material, a support frame 26 can be fixedly installed between the two cross beams 21, the support frame 26 is located in the plate chain 25, the upper surface of the support frame 26 is in contact with the upper surface of the inner side of the plate chain 25, and the driving shaft 22 is connected to the support frame 26 in a penetrating manner, as shown in fig. 4 and 5, after all, the carriage 3 has a large gravity after being fully loaded with the powdery material, and in order to ensure that the discharging device 2 can reliably and stably bear and install the carriage 3, a support frame 26 is fixedly installed between the two cross beams 21; in addition, more importantly, in order to prevent the plate chain 25 from being crushed by the powdery material in the container 3, after all, the plate chain 25 is also formed by a plurality of chain plates hinged end to end, two ends of each chain plate are connected with the chain wheel 27 through the chain 28, that is, the middle part of each chain plate is not supported, at this time, the powdery material in the container 3 is pressed on the chain plates, the chain plates are easily crushed, and normal unloading of the plate chain conveyor is affected, so in order to protect the plate chain 25, the chain plates are prevented from being bent or crushed by the powdery material in the container 3, particularly, a support frame 26 is fixedly installed between the two cross beams 21, the support frame 26 is located in the plate chain 25, the upper surface of the support frame 26 is in contact with the upper surface of the inner side of the plate chain 25, and therefore, the chain plates are effectively supported, and the chain plates are prevented.

In order to prevent the powdery material from spilling from the two ends of the chain plates when the plate chain conveyor is unloading, especially, the baffle plates 4 capable of preventing the powdery material from spilling are arranged at the two ends of each chain plate, when the chain plates move horizontally, the baffle plates 4 on two adjacent chain plates with horizontal upper surfaces are in close contact with each other, as shown in fig. 2-5, the design can not only effectively prevent the powdery material from spilling, but also prevent the upper surfaces of the plate chains 25, especially the positions far away from the driving shaft 22, from being bent and pressed on the support frames 26 under the heavy pressure of the powdery material, so that the friction force between the support frames 26 and the plate chains 25 is increased, the plate chains 25 are influenced to rotate and unload, because the upper surfaces of the two adjacent chain plates are not kept horizontal any more and slightly inclined when the chain plates are pressed by the powdery material, at the existence of the baffle plates 4 can prevent the chain plates from inclining, so that the upper surfaces of the chain plates are kept horizontal, that, the area of the upper surface of the plate chain 25 far away from the driving shaft 22 is prevented from bending and deforming downwards under the weight of the powder, and the heavier the powder on the chain plate is, the tighter the pressing between the baffle plates 4 of two adjacent chain plates is, the less easily the upper surface of the plate chain 25 is bent, so that the upper surface of the plate chain 25 is maintained to be horizontal, and the less easily the powder is scattered and leaked.

In addition, in order to facilitate the installation and the disassembly of the baffle plate 4, mounting holes 29 can be arranged at the two ends of the chain plate, and as shown in fig. 3, the baffle plate 4 is inserted and fixed on the chain plate through the mounting holes 29.

As shown in fig. 2, in order to prevent the chassis of the vehicle body 1 and the car box 3 from affecting the movement of the baffle 4, the upper and lower ends of the cross beam 21 are both fixedly provided with the mounting seats 20 fixedly connected with the chassis of the vehicle body 1 and the car box 3, and the height of the mounting seats 20 is greater than that of the baffle 4, so that the cross beam 21 is fixedly connected with the chassis and the car box 3 through the mounting seats 20, and a sufficient space is left between the bottom of the car box 3 and the chassis for the movement of the baffle 4.

In order to facilitate the operation of the unloading device 2 controlled by the driver, the motor 23 can be a hydraulic motor 23, and at this time, the unloading device 2 further comprises an oil pipe 24 connecting the hydraulic motor 23 with the hydraulic pump of the vehicle body 1, so that the unloading device 2 can be powered by the hydraulic pump carried by the dumper.

As shown in fig. 2 to 4, when the motor 23 is a hydraulic motor, the tensioner includes:

sliders 43 which are rolled over both ends of the drive shaft 22 at the ends of the cross member 21;

a sliding groove 42 arranged on the cross beam 21, and a sliding block 43 horizontally installed in the sliding groove 42 in a sliding manner; and

the hydraulic cylinder 41 is fixedly arranged on the cross beam 21 and used for pushing the sliding block 43 to horizontally slide in the sliding groove 42, and the sliding block 43 moves to drive the driving shaft 22 arranged on the sliding block to synchronously move so as to adjust the tensioning degree of the plate link chain 25; a control valve 44 for controlling the operation of the hydraulic cylinder 41 is also installed on a pipe connecting the hydraulic cylinder 41 and the oil pipe 24.

As shown in fig. 6-10, the blanking through hole 33 is a rectangular hole and is located at the bottom center of the box 31, the length and width of the rectangular hole are respectively parallel to the length and width of the box body 31, when the carriage 3 is arranged on the discharging device 2, the blanking through hole 33 is positioned right above the plate chain 25, so that the powdery material in the compartment 3 falls onto the plate chain 25 through the blanking through hole 33, after the box door 32 of the carriage 3 is opened, the plate chain conveyor is started to rotate, so that the powder in the carriage 3 can be unloaded, the unloading speed is far faster than that of manual unloading, the use requirements of a heavy truck with large loading capacity on safe and rapid unloading of the powder are fully met, the practicability is good, moreover, compared with a belt conveyor, the plate chain 25 of the plate chain conveyor has high mechanical strength, can bear the heavy pressure of the powdery material, is not easy to deform or break, and is more suitable for being used in the discharging device 2 of the novel dumper.

In order to prevent the materials on the plate link chain 25 from being scattered on the ground, the blanking through hole 33 should not only be located right above the plate link chain 25, but also be required to have a length and a width which are both correspondingly smaller than those of the upper surface of the plate link chain 25, and if the plate link chain 25 is provided with the baffle plates 4, the width of the blanking through hole 33 should be smaller than the distance between the baffle plates 4 on the two sides of the plate link chain 25.

The working principle of the novel dumper is as follows: when the materials in the carriage 3 need to be unloaded, the carriage door 32 is opened firstly, then the hydraulic motor 23 is controlled to rotate to drive the driving shaft 22 to rotate, the driving shaft 22 rotates to drive the plate chain 25 to rotate through the chain wheel 27 and the chain 28, the plate chain 25 rotates to drive the materials in the carriage 3 to move towards the tail part of the carriage body 1 and finally fall to the ground from the plate chain 25, the unloading is completed, the carriage 3 is not moved in the whole unloading process, the unloading is carried out through the unloading device 2 arranged below the carriage 3, the carriage 3 is not lifted by the hydraulic cylinder to unload, therefore, the safety is high, the risk of the rollover accident when the carriage 3 is lifted by the hydraulic cylinder to unload is avoided, the loading capacity of the carriage 3 can be properly increased, the requirements of a heavy vehicle with large loading capacity on safe and quick unloading of the powdery materials are met, and the.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (8)

1. A novel discharge apparatus of multi-drive formula for on tipper, its characterized in that includes: the two parallel cross beams are fixedly arranged on a chassis of the vehicle body; and a plate chain conveyor installed between the two cross beams; the plate link chain conveyor has: the two ends of the driving shafts are rotatably arranged on the two cross beams, and the two ends of each driving shaft are provided with chain wheels; the motors are in transmission connection with the driving shaft and are used for driving the driving shaft to rotate; the plate chain with chains at two ends is tightly sleeved on the plurality of chain wheels and is driven to rotate by the chains; and a tensioning device for keeping the plate link chain tensioned.

2. The multi-drive novel unloading device for the dumper as claimed in claim 1, wherein: the plate chain supporting device further comprises a supporting frame which is in contact with the upper surface of the inner side of the plate chain and is used for supporting the plate chain, and the supporting frame is fixedly connected with the two cross beams.

3. The multi-drive novel unloading device for the dumper as claimed in claim 1, wherein: the plate chain is formed by hinging a plurality of chain plates end to end, and two ends of each chain plate are provided with baffle plates capable of preventing powder from spilling and leaking; the upper end and the lower end of the cross beam are fixedly provided with mounting seats fixedly connected with a chassis of the vehicle body and a carriage, and the height of each mounting seat is greater than that of each baffle.

4. The multi-drive novel unloading device for the dumper as claimed in claim 3, wherein: and mounting holes are formed in two ends of the chain plate, and the baffle plate is fixedly inserted into the chain plate through the mounting holes.

5. The multi-drive novel unloading device for the dumper as claimed in claim 3, wherein: the baffle plates of two adjacent chain plates with horizontal upper surfaces are in close contact.

6. The multi-drive novel unloading device for the dumper as claimed in claim 1, wherein: the motor is a hydraulic motor, and the discharging device further comprises an oil pipe which connects the hydraulic motor with a hydraulic pump of the vehicle body.

7. The multi-drive novel unloading device for the dumper as claimed in claim 6, wherein: the tensioner includes: the sliding block is sleeved on the driving shaft at the end part of the cross beam in a rolling way; the sliding chute is arranged on the cross beam and used for slidably mounting the sliding block; and the hydraulic cylinder is fixedly arranged on the cross beam and used for pushing the sliding block to horizontally slide in the sliding groove.

8. The multi-drive novel unloading device for the dumper as claimed in claim 1, wherein: a scraper conveyor is used instead of a plate chain conveyor.

Images