CN212473223U - Sectional type unloading device for dumper - Google Patents

Abstract

The utility model discloses a sectional type discharge apparatus for on tipper, include: the plate chain conveyor comprises two parallel cross beams and a plurality of plate chain conveyors, wherein the two parallel cross beams are fixedly arranged on a chassis of the vehicle body, and the plate chain conveyors are arranged between the two cross beams and are arranged along the length direction of the cross beams. Has the advantages that: the utility model provides a sectional type discharge apparatus for dumper installs on the dumper 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 discharge apparatus who sets up in the railway carriage below, the railway carriage does not need the pneumatic cylinder to lift the discharge, the 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, and can carry out the sectional type and unload, discharge apparatus's discharge capacity has been promoted greatly, do not worry the problem that the unable normal work of discharge apparatus is leaded to too heavily to the goods in the railway carriage, the practicality is good.

Description

Sectional type unloading device for dumper

Technical Field

The utility model relates to a tipper field, concretely relates to sectional type discharge apparatus 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 sectional type unloading device is designed for matching with the novel dumper.

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 an unloader installs 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 setting up the unloader in the railway carriage below, the railway carriage does not need the pneumatic cylinder to lift and unloads, the 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, and can unload the sectional type, the discharge capacity of unloader has been promoted greatly, do not worry the problem that the too heavy normal work of unloader that leads to of goods in the railway carriage, the practicality is good, describe in detail below.

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

the utility model provides a sectional type discharge apparatus for on tipper, include:

two parallel transverse beams which are fixedly mounted on the chassis of the vehicle body, an

A plurality of plate chain conveyors arranged between the two cross beams along the length direction of the cross beams; and

the connecting plate is arranged at the joint of two adjacent plate chain conveyors and used for moving the powdery material from one plate chain conveyor to the other plate chain conveyor;

the connecting plate is fixedly connected with the two cross beams.

As an important design of the present case, the plate link chain conveyor includes:

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; and

the plate chains are tightly sleeved on the plurality of chain wheels, and the plate chains are driven by the chains to rotate so as to unload the powder from the dumper; and

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

As the optimized design of the scheme, the side face of the connecting plate is an arc concave face matched with the plate chain, and the central axis of the arc concave face is positioned on the central axis of the driving shaft at the end part of the plate chain conveyor.

As the optimized design of the scheme, the arc-shaped concave surface is provided with the brush wire which is used for blocking powder on the plate chain to enter the arc-shaped concave surface.

As the optimized design of the scheme, a material receiving device for receiving powder spilled from a gap at the joint of the connecting plate and the plate chain conveyor is arranged right below the connecting plate.

As the optimized design of the scheme, the material receiving device comprises a material receiving hopper, a mounting rod for fixedly suspending the material receiving hopper below the cross beam and a baffle inserted at the outlet of the material receiving hopper to stop the material discharge of the material receiving hopper.

As the optimized design of the scheme, the motor is a hydraulic motor, the plate chain conveyor further comprises an oil pipe for connecting the hydraulic motor with the hydraulic pump of the vehicle body, and an electromagnetic valve is mounted on a pipeline for communicating each hydraulic motor with the oil pipe.

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: the utility model provides a sectional type discharge apparatus for dumper installs on the dumper 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 discharge apparatus who sets up in the railway carriage below, the railway carriage does not need the pneumatic cylinder to lift the discharge, the 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, and can carry out the sectional type and unload, discharge apparatus's discharge capacity has been promoted greatly, do not worry the problem that the unable normal work of discharge apparatus is leaded to too heavily to the goods in the railway carriage, 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 with the sectional discharge apparatus of the present invention installed;

FIG. 2 is a front view of the sectional discharge apparatus of the present invention;

FIG. 3 is a top view of the sectional discharge apparatus of the present invention;

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

FIG. 5 is a left side view of the sectional discharge apparatus of the present invention;

FIG. 6 is a cross-sectional view B-B of FIG. 3;

FIG. 7 is an enlarged view of a portion of FIG. 6;

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

FIG. 9 is a top view of the container of FIG. 1;

FIG. 10 is a bottom view of the container of FIG. 1;

FIG. 11 is a cross-sectional view C-C of FIG. 8;

fig. 12 is a cross-sectional view taken along line D-D in fig. 9.

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 connecting plate; 27. a sprocket; 28. a chain; 29. brushing wires;

3. a carriage;

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

4. a material receiving device;

41. a receiving hopper; 42. mounting a rod; 43. a baffle plate;

5. an arc-shaped concave surface;

6. an electromagnetic valve;

71. a hydraulic cylinder; 72. a chute; 73. a slider; 74. 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. 8-12, 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 7, the discharging device 2 includes:

two parallel transverse beams 21 which are fixedly mounted on the chassis of the vehicle body 1, an

A plurality of plate-link conveyors arranged along the length direction of the two cross beams 21 and installed between the two cross beams 21, as shown in fig. 3, a connecting plate 26 for moving the powdery material from one plate-link conveyor to the other is arranged at the joint of two adjacent plate-link conveyors, and the two ends of the connecting plate 26 are fixedly connected with the two cross beams 21 so that a plurality of plate-link conveyors are arranged between the two cross beams 21, rather than a whole long plate-link conveyor, in order to facilitate the control of the unloading device 2 for unloading, because the carriage 3 is heavy after being filled with the powdery material, especially for heavy-duty vehicles filled with coal blocks and gravels, if the unloading device 2 is not designed in a sectional manner, but a whole plate-link conveyor is used, the plate-link conveyor needs to be provided with great power for the plate-link conveyor to start the unloading, which has high power requirements for the engine of the dump truck, if design into the shorter plate link conveyor of multistage length with a whole plate link conveyor segmentation, individual plate link conveyor just need not bear all powdery material in whole railway carriage 3 to its pressure like this, and only bear the powdery material directly over this plate link conveyor to its pressure, does not also need the tipper engine to provide too big power for it during corresponding plate link conveyor work, is fit for most tipper to go on the utility model discloses a modification design, the practicality is good, and sectional type discharge apparatus 2's discharge capacity is also higher than whole section formula discharge apparatus 2 (adopt the discharge apparatus 2 of the longer plate link conveyor of a length promptly) simultaneously, does not worry that the too heavy problem that leads to discharge apparatus 2 unable normal work of goods in the railway carriage 3.

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

The connecting plate 26 is provided to facilitate the smooth movement of the powdery material from one plate chain conveyor to another plate chain conveyor, and meanwhile, the connecting plate 26 can also enhance the mechanical strength of the whole discharging device 2, after all, the carriage 3 is fully loaded with the powdery material, and after all, the gravity is large, and in order to ensure that the discharging device 2 can reliably and stably bear and mount the carriage 3, two cross beams 21 are fixedly connected by a plurality of connecting plates 26, as shown in fig. 3 and 4.

Specifically, as shown in fig. 2 to 6, each plate link conveyor includes:

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 chains 28 at two ends, the plate chain 25 is formed by hinging a plurality of chain plates end to end, the chains 28 are tightly sleeved on a 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, the chains 28 rotate to drive the plate chain 25 to move synchronously, and therefore 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 reduce the spilling leakage of the powdery material from the gap at the joint of the connecting plate 26 and the plate chain conveyor, the side surface of the connecting plate 26 can be designed into an arc-shaped concave surface 5 matched with the plate chain 25, as shown in fig. 7, the central axis of the arc-shaped concave surface 5 is coincident with the central axis of the driving shaft 22 at the end part of the plate chain conveyor, as the connecting plate 26 cannot obstruct the rotation of the plate chain 25, the arc-shaped concave surface 5 cannot contact with the plate chain 25, so a gap still exists between the arc-shaped concave surface 5 and the plate chain 25, in order to prevent the powdery material from entering the gap, a brush wire 29 capable of preventing the powdery material on the plate chain 43 from entering the gap can be installed on the arc-shaped concave surface 5, as shown in fig. 7, although the brush wire 29 contacts with the plate chain 25, the spilling rotation of the plate chain 25 is not obstructed, and the existence of the brush.

Considering that the plate link chain 25 is formed by a plurality of plate link chains hinged end to end, and there is a gap between adjacent plate link chains, so that during the discharging process, the plate link chain conveyor inevitably spills some powder through the gap between adjacent plate link chains, in order to prevent the powder from being wasted, and at the same time, in order to contain the powder spilled from the gap at the joint of the connecting plate 26 and the plate link chain conveyor, a receiving device 4 may be arranged right below the plate link chain conveyor, as shown in fig. 2, 5 and 6, the receiving device 4 includes a receiving hopper 41, a mounting rod 42 for fixedly suspending the receiving hopper 41 below the cross beam 21, and a baffle 43 inserted at the outlet of the receiving hopper 41 to block the receiving hopper 41, the receiving hopper 41 is inclined, and the inclined downward end of the receiving hopper 41 is located at the tail of the dump truck, the powder spilled through the gap between adjacent plate link chains and the gap at the joint of the connecting plate 26 and the plate link chain conveyor all fall into the receiving hopper 41, then the materials are discharged from the outlet of the receiving hopper 41, in order to control the receiving hopper 41 to discharge the materials at fixed time, a baffle plate 43 can be inserted into the outlet of the receiving hopper 41, when the receiving hopper 41 is required to discharge the materials, the baffle plate 43 is taken away to discharge the materials, when the receiving hopper 41 is not required to discharge the materials, the baffle plate 43 is inserted into the outlet of the receiving hopper 41, and by the design, the powder materials are saved to a limited extent, and the powder materials are prevented from being scattered, leaked and wasted.

As shown in fig. 2, in order to prevent the material receiving device 4 from affecting the installation and fixation of the cross beam 21 on the chassis of the vehicle body 1, an installation seat 20 fixedly connected with the chassis of the vehicle body 1 may be fixedly installed at the lower end of the cross beam 21, and the lower surface of the installation seat 20 is located below the lowest point of the material receiving device 4, so that the cross beam 21 is fixedly connected with the chassis through the installation seat 20, and a sufficient space is left between the cross beam 21 and the chassis for arranging the material receiving device 4.

In order to facilitate the operation of a driver to control the operation of the discharging device 2, the motor 23 can adopt a hydraulic motor, and at the moment, the discharging device 2 also comprises an oil pipe 24 for connecting the hydraulic motor with a hydraulic pump of the vehicle body 1, so that the hydraulic pump of the dump truck can provide power for the operation of the discharging device 2; in order to realize the segmented control, the electromagnetic valve 6 is arranged on the pipeline of each hydraulic motor communicated with the oil pipe 24, and different hydraulic motors are controlled to work by opening different electromagnetic valves 6, so that different plate chain conveyors are controlled to unload materials.

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

sliders 73 which are rolled on both ends of the drive shaft 22 at the end of the cross member 21;

a slide groove 72 provided on the cross beam 21, and a slider 73 horizontally slidably mounted in the slide groove 72; and

the hydraulic cylinder 71 is fixedly arranged on the cross beam 21 and used for pushing the sliding block 73 to horizontally move in the sliding groove 72, and the sliding block 73 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 74 for controlling the operation of the hydraulic cylinder 71 is also installed in a line connecting the hydraulic cylinder 71 and the oil pipe 24.

As shown in fig. 8-12, 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, when the box door 32 of the carriage 3 is opened, the plate chain 25 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 requirement of a heavy-duty vehicle with large loading capacity on safe and quick unloading of the powder is 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 spilling on the ground, the blanking through hole 33 should not only be located right above the plate link chain 25, but also need to have a length and width that are smaller than those of the upper surface 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, then the plate chain conveyor close to the tail of the carriage is controlled to work, namely the electromagnetic valve 6 is opened to control the hydraulic motor to rotate, the hydraulic motor rotates 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 powdery materials in the carriage 3 and positioned right above the plate chain conveyor at the tail of the carriage to move to the tail of the carriage body 1 and finally fall to the ground from the plate chain 25, when the powdery materials positioned right above the plate chain conveyor at the tail of the carriage are about to be unloaded, the plate chain conveyor adjacent to the plate chain conveyor at the tail of the carriage can be opened to work together to continue unloading, and the like, until the powdery materials in the whole carriage 3 are completely unloaded, compared with the unloading mode that the unloading device 2 adopting a whole plate chain conveyor, the problem that the plate chain 25 cannot normally rotate due to too heavy cargos in the carriage 3 is avoided, the unloading ability is also stronger, and whole unloading in-process railway carriage 3 is motionless simultaneously, unloads through setting up discharge apparatus 2 in railway carriage 3 below, does not lift railway carriage 3 with the pneumatic cylinder and unloads, and consequently the security is high, has avoided the pneumatic cylinder to lift the risk that the railway carriage 3 took place the rollover accident when unloading, so can suitably increase the 3 loading capacities of railway carriage, has satisfied the demand that the heavy car of big loading capacity was safe, quick unloading to powdery material again simultaneously, and the practicality is good.

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 (9)

1. A sectional type discharge apparatus for on tipper, its characterized in that includes: the plate chain conveyor comprises two parallel cross beams, a plurality of plate chain conveyors and a plurality of plate chain conveyors, wherein the two parallel cross beams are fixedly arranged on a chassis of a vehicle body; the connecting plate is arranged at the joint of two adjacent plate chain conveyors and used for moving the powdery materials from one plate chain conveyor to the other plate chain conveyor; the connecting plate is fixedly connected with the two cross beams.

2. The segmented discharge apparatus for a dump truck according to claim 1 wherein the plate link conveyor comprises: 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 chains are tightly sleeved on the plurality of chain wheels, and the plate chains are driven by the chains to rotate so as to unload the powder from the dumper; and a tensioning device for keeping the plate link chain tensioned.

3. The segmented discharge apparatus for a dump truck according to claim 2 wherein: the side of the connecting plate is an arc concave surface matched with the plate chain, and the central axis of the arc concave surface is positioned on the central axis of a driving shaft at the end part of the plate chain conveyor.

4. The segmented discharge apparatus for a dump truck according to claim 3 wherein: and brush wires for blocking powder on the plate chain to enter the arc concave surface are arranged on the arc concave surface.

5. The segmented discharge apparatus for a dump truck according to claim 2 wherein: and a material receiving device for receiving powder spilled from a gap at the joint of the connecting plate and the plate chain conveyor is arranged right below the connecting plate.

6. The segmented discharge apparatus for a dump truck according to claim 5 wherein: the receiving device comprises a receiving hopper, a mounting rod for fixedly suspending the receiving hopper below the cross beam and a baffle inserted at the outlet of the receiving hopper to stop the receiving hopper from discharging.

7. The segmented discharge apparatus for a dump truck according to claim 2 wherein: the motor is a hydraulic motor, the plate chain conveyor further comprises an oil pipe connecting the hydraulic motor with a hydraulic pump of the vehicle body, and each hydraulic motor is provided with an electromagnetic valve on a pipeline communicated with the oil pipe.

8. The segmented discharge apparatus for a dump truck according to claim 7 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.

9. The segmented discharge apparatus for a dump truck according to claim 1 wherein: a scraper conveyor is used instead of a plate chain conveyor.

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