CN211734943U - Asphalt mixing plant - Google Patents

Abstract

The utility model provides an asphalt mixing plant, which comprises a mixing plant body, wherein the mixing plant body is supported above the ground through a plurality of supports, the mixing plant body is provided with a finished product bin, the bottom of the finished product bin is provided with a discharge opening, and the discharge opening is provided with a discharge door for controlling the opening and the closing of the discharge opening; the conveying device is correspondingly arranged on the ground below the discharge opening and used for bearing the receiving trolley and conveying the receiving trolley to a plurality of positions, so that different areas of the opening of the container of the receiving trolley are positioned under the discharge opening. Through the technical scheme of the utility model, can realize the on-the-spot unmanned operation of unloading of bituminous mixing plant, can improve the accuracy and the production efficiency of the operation of unloading, be favorable to reducing the human cost and reduce the potential safety hazard on the scene of unloading.

Description

Asphalt mixing plant

Technical Field

The utility model relates to an asphalt mixing plant technical field particularly, relates to an asphalt mixing plant.

Background

At present, in the process of unloading at an asphalt mixing station, a ground worker is generally required to command a receiving vehicle to align with an unloading door of a finished product bin of the asphalt mixing station, and when whether the receiving vehicle is full of materials or not is confirmed, a method of setting an observation platform is adopted, so that the command worker can ascend to observe the receiving state in the receiving vehicle, and the command of the movement of the receiving vehicle is facilitated, or a method of setting a camera is adopted, and the control room operator remotely commands the movement of the receiving vehicle through videos. In the above scheme, the operation process of unloading is complicated, and efficiency is lower, and the human cost is high, and the accuracy is not high, leads to the unrestrained polluted environment of pitch material easily, and has the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to at least one of the problems of the prior art or the related art.

Therefore, the utility model aims to provide an asphalt mixing plant.

In order to realize the above purpose, the technical scheme of the utility model provides an asphalt mixing plant, include:

the stirring station comprises a stirring station body, wherein the stirring station body is supported above the ground through a plurality of supports, the stirring station body is provided with a finished product bin, the bottom of the finished product bin is provided with a discharge opening, and the discharge opening is provided with a discharge door for controlling the opening and the closing of the discharge opening; the conveying device is correspondingly arranged on the ground below the discharge opening and used for bearing the receiving trolley and conveying the receiving trolley to a plurality of positions, so that different areas of the opening of the container of the receiving trolley are positioned under the discharge opening.

According to the technical scheme of the utility model, bituminous mixing plant includes the stirring station body and conveyor. The stirring station is provided with a plurality of brackets for supporting the stirring station body; the mixing plant body is equipped with the finished product storehouse for store finished product pitch material, the bottom in finished product storehouse is equipped with the discharge opening, and is equipped with the discharge door that is used for controlling the discharge opening switching in discharge opening department, carries out the operation of unloading through opening the discharge door, stops unloading when the discharge door is closed. The subaerial conveyor that is equipped with of discharge opening below for transport and connect the skip, be formed with operating space between mixing plant body and the conveyor, so that connect the skip to pass through and connect the material operation. The transport device may be used to carry the material receiving cart and transport the material receiving cart to a plurality of positions so that the material receiving cart may be aligned with the discharge gate when the discharge gate is performing a discharge operation. Specifically, when the receiving vehicle is located at the first position, the conveying device is started and starts to convey the receiving vehicle, when the receiving vehicle is conveyed to the second position, a container of the receiving vehicle is aligned to the discharge opening, and the discharge door is opened and starts to discharge. Can effectively improve the accuracy of connecing the material operation through conveyor, reduce the unrestrained possibility of pitch material, be favorable to reducing the waste and the environmental pollution of pitch material. Simultaneously, asphalt mixing plant simple structure in this scheme need not to set up observation platform or video observation equipment, also need not on-the-spot commander and commands the operation, is favorable to reducing the human cost, and on-the-spot potential safety hazard, can effectively improve the efficiency of unloading and connecing the material operation.

It should be noted that the second position may be a position where different areas of the container opening of the vehicle are aligned with the discharge opening, such as a center position of the container opening, or other positions of the container opening.

It can be understood that the air of the asphalt material unloading site is not beneficial to the health of site personnel, the accuracy of site manual command is low, the asphalt material is easy to fall outside the material receiving vehicle, the injury is easy to the site command personnel, and the potential safety hazard exists.

Additionally, the utility model provides an asphalt mixing plant among the above-mentioned technical scheme can also have following additional technical characterstic:

in the above-described aspect, the conveying device includes: a base extending from one end of the asphalt mixing plant to an opposite end; the conveying part is arranged at the top of the base and can move along the extending direction of the base; and the driving mechanism is in transmission connection with the conveying part so as to drive the conveying part to move.

In this solution, the transport device includes a base, a transfer portion, and a drive mechanism. Extend to the relative other end by the one end of pitch mixing plant through the base, the top of base is located to the conveying portion, can remove to the other end by the one end of base to in transport and connect the skip, make and connect the skip to remove to the position of going on aiming at with the discharge opening by the one end of pitch mixing plant, and after connecing the skip to connect full pitch material, transport the other end to pitch mixing plant through conveyor, and need not the navigating mate and operate transporting the in-process. The conveying part is driven to move by arranging a driving mechanism in transmission connection with the conveying part so as to provide power for the conveying part.

In above-mentioned technical scheme, conveyer's quantity is the even number, and a plurality of conveyer set up side by side, and wherein, two adjacent conveyer are a set of, and the interval between two conveyer of every group matches with the wheel track of material receiving vehicle, and every group conveyer is corresponding to at least one discharge opening.

In the technical scheme, the number of the conveying devices is even, and the plurality of conveying devices are arranged side by side, so that two adjacent conveying devices form a group of conveying devices and synchronously run. Through the wheel track phase-match of the interval between two conveyor that set up every group and connect the skip for two conveyor of every group can be corresponding to the wheel that connects the skip both sides, with transport the operation to same material receiving skip, can effectively reduce conveyor's volume and shared space, reduce the material waste, improve the utilization ratio. Through setting up every group conveyor corresponding to setting up a discharge opening to make the bituminous mixing plant can unload the operation to a plurality of material receiving trucks simultaneously, in order to improve the efficiency of unloading.

In above-mentioned technical scheme, the edge of the both sides on the transfer portion is located to a plurality of backstop boards, and the backstop board is upwards protruding by the transfer portion, and a plurality of backstop boards set up along the extending direction interval of transfer portion.

In this technical scheme, the edge through both sides on the transfer portion is equipped with a plurality of backstop boards, and the backstop board is upwards protruding by the transfer portion to when the wheel of material receiving car is in on the transfer portion, carry out axial direction's spacing to the wheel, prevent that the direction of material receiving car from taking place the relative position between skew influence and the discharge door. The extension direction interval setting along the conveying portion through setting up a plurality of backstop boards to carry out the axial through a plurality of positions and spacing to the wheel, still can play the guide effect to the skip simultaneously. Alternatively, the stopper plate may be made of a flexible material, or a surface of the stopper plate may be provided with a flexible material, such as rubber, sponge, or the like.

In the technical scheme, the number of the discharge openings is multiple, and a plurality of discharge openings are correspondingly arranged above each group of conveying devices.

In this technical scheme, through setting up a plurality of discharge openings, and every group conveyor top correspondence is equipped with a plurality of discharge openings to make a plurality of discharge openings can unload the operation to same material receiving vehicle simultaneously, be favorable to further improving the efficiency of unloading. Simultaneously, a plurality of discharge openings can correspond the different positions of the packing box of same material receiving vehicle, are favorable to receiving the even stacking of the pitch material on the material receiving vehicle, prevent that local piling is too much and spill over.

In the above technical solution, the asphalt mixing plant further comprises: and the controller is electrically connected with the discharge door and the conveying device and is used for controlling the operation of the discharge door and the conveying device.

In the technical scheme, the controller electrically connected with the discharge door and the conveying device is arranged to control the operation of the discharge door and the conveying device, so that the automatic control of the discharge operation of the asphalt mixing plant is realized, and the operation of saving field personnel and commanding operation are facilitated. Specifically, when the material receiving trolley moves to the second position under the action of the conveying device, the material receiving trolley is located at a position corresponding to the discharge opening, and at the moment, the controller controls the discharge door to be opened to start discharging. Further, in the discharging process, the receiving vehicle can continue to move under the action of the conveying device until the third position, and the controller controls the discharging door to be closed to finish discharging. Wherein, the receiving vehicle is by the second position to the third position removal in-process, and conveyor's translation rate and the speed phase-match of unloading of discharge opening to make pitch material pile up relatively evenly in the packing box of receiving vehicle, prevent to accomplish in advance to unload and lead to the part to pile up too much or postpone to accomplish to unload and lead to pitch material unrestrained outside receiving vehicle.

In the above technical solution, the conveying device further includes: and the limit switch is arranged on the conveying device and used for detecting the position information of the material receiving vehicle, wherein the limit switch is electrically connected with the controller.

According to the technical scheme, the conveying device is provided with the limit switch to detect the position information of the receiving vehicle, the limit switch is arranged to be electrically connected with the controller, so that the controller can determine whether the receiving vehicle reaches the first position, the second position and the third position, and the conveying device is controlled to operate according to the position information of the receiving vehicle.

In the above technical solution, the conveying device further includes: and the weighing device is arranged below the conveying device and used for weighing the material receiving vehicle positioned on the conveying device, wherein the weighing device is electrically connected with the controller.

In this technical scheme, through be provided with the weigher in conveyor below to the material receiving vehicle on the conveyor weighs, whether reach the volume of predetermineeing through the pitch material in the weight change determination material receiving vehicle of material receiving vehicle. Through setting up weighing device and controller electricity and being connected to make the controller can confirm the volume of the pitch material in the material receiving vehicle according to the information of weighing device, and correspondingly control the switching of unloading the door, can further improve the accuracy of the operation of unloading, can effectively prevent the material receiving vehicle and take place the overload.

In the above technical solution, the asphalt mixing plant further comprises: and the level indicator is arranged in the finished product bin and used for detecting the level of the asphalt in the finished product bin, wherein the level indicator is electrically connected with the controller.

In the technical scheme, a material level meter is arranged in the finished product bin to detect the material level of asphalt in the finished product bin. Through setting up the charge level indicator and being connected with the controller electricity to make the controller can confirm the volume of corresponding pitch according to the material level information that the charge level indicator detected, with control conveyor transport the skip car and by first position to second position when the material level is greater than predetermineeing the material level, and control and unload the bin gate and open, begin to unload. The preset material level can correspond to the full loading capacity of the material receiving vehicle and also can correspond to a set amount lower than the full loading capacity.

In the above technical solution, the asphalt mixing plant further comprises: and the display equipment is arranged on one side of the mixing station body and used for displaying the unloading state of the asphalt mixing station, wherein the display equipment is electrically connected with the controller.

In the technical scheme, the display device is arranged on one side of the stirring station body and used for displaying the unloading state of the asphalt stirring station, so that the unloading state of the asphalt stirring station can be visually displayed, a driver of the material receiving vehicle can know whether the unloading operation is finished or not in time, and the material receiving vehicle can be driven to leave the asphalt stirring station in time when the unloading is finished. Through setting up display device and controller electricity and being connected, can make the controller according to the display information of the switching control display device of unloading the door, realize the automatic butt joint of information, need not manual operation for display device's display information in time updates, is favorable to reducing the information and delays, raises the efficiency. Alternatively, the display device may be one of a warning light, a display screen, a buzzer, a voice prompt, or a combination of at least two of them.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 illustrates a partial cross-sectional view of an asphalt mixing plant according to one embodiment of the present invention;

FIG. 2 illustrates a partial cross-sectional view of an asphalt mixing plant according to one embodiment of the present invention;

FIG. 3 illustrates a partial cross-sectional view of an asphalt mixing plant according to one embodiment of the present invention;

fig. 4 shows a schematic structural view of a transport device according to an embodiment of the invention;

FIG. 5 illustrates a partial cross-sectional view of an asphalt mixing plant according to an embodiment of the present invention;

FIG. 6 illustrates a partial cross-sectional view of an asphalt mixing plant according to an embodiment of the present invention;

fig. 7 shows a schematic view of a conveyor and a receiving vehicle according to an embodiment of the invention;

FIG. 8 illustrates a partial cross-sectional view of an asphalt mixing plant according to an embodiment of the present invention;

fig. 9 shows a schematic view of a conveyor and a receiving vehicle according to an embodiment of the invention;

fig. 10 shows a schematic structural view of a transporter according to an embodiment of the invention;

figure 11 illustrates a partial cross-sectional view of an asphalt mixing plant according to one embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the components in fig. 1 to 11 is as follows:

the automatic conveying device comprises a mixing station body 1, a finished product bin 11, a 111 discharge hopper, a 1111 discharge opening, a 112 discharge door, a 12 support, a 2 conveying device, a 21 base, a 22 conveying part, a 23 driving mechanism, a 24 limit switch, a 3 stop plate, a 41 weighing device, a 42 display lamp, a 5 material receiving vehicle and a 51 container.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

Asphalt mixing plants according to some embodiments of the present invention are described below with reference to fig. 1-11.

Example one

The embodiment provides an asphalt mixing plant, which comprises a mixing plant body 1 and a conveying device 2. As shown in fig. 1 and fig. 2, the mixing station body 1 is supported above the ground by a plurality of supports 12, the mixing station body 1 is provided with a finished product bin 11, a discharge hopper 111 is arranged at the bottom of the finished product bin 11, a discharge door 112 is arranged at a discharge port 1111 of the discharge hopper 111, and the discharge door 112 can open or close the discharge port 1111, so that when the discharge door 112 is opened, asphalt materials in the finished product bin 11 can be discharged outwards by the discharge hopper 111, thereby realizing the discharging operation. The conveying device 2 is correspondingly arranged on the ground below the discharge opening 1111, and the conveying device 2 extends from one end of the asphalt mixing station to the other end of the asphalt mixing station and is used for bearing the material receiving vehicle 5 and conveying the material receiving vehicle 5 to a plurality of positions, so that different areas of the opening of a container of the material receiving vehicle 5 are positioned right below the discharge opening 1111. An operation space and a channel are formed between the mixing station body 1 and the conveying device 2 so as to facilitate the entering and exiting of the material receiving vehicle 5 and the material receiving operation. When the material receiving trolley 5 runs to a first position on the conveying device 2 (as shown in fig. 1), the conveying device 2 starts to operate and drives the material receiving trolley 5 to move, when the material receiving trolley 5 moves to a second position under the driving of the conveying device 2 (as shown in fig. 2), the container 51 on the material receiving trolley 5 is located at a position corresponding to the discharge door 112, at this time, the discharge door 112 is opened, so that asphalt materials in the finished product bin 11 are discharged through the discharge hopper 111 and fall into the container 51 of the material receiving trolley 5, until the container 51 is full or reaches a preset amount, the discharge door 112 is closed, and discharging is completed. Wherein, optionally, the first position may be a position when the driving wheel of the material receiving vehicle 5 is located on the conveying device 2, or may be a position when all the wheels of the material receiving vehicle 5 are located on the conveying device 2. The second position may be a position where the center of the container opening is aligned with the discharge opening 1111 or a position where other portions of the container opening are aligned with the discharge opening 1111.

Example two

The embodiment provides an asphalt mixing plant, which comprises a mixing plant body 1 and a conveying device 2. As shown in fig. 1 and fig. 2, the mixing station body 1 is supported above the ground by a plurality of supports 12, the mixing station body 1 is provided with a finished product bin 11, a discharge hopper 111 is arranged at the bottom of the finished product bin 11, a discharge door 112 is arranged at a discharge port 1111 of the discharge hopper 111, and the discharge door 112 can open or close the discharge port 1111, so that when the discharge door 112 is opened, asphalt materials in the finished product bin 11 can be discharged outwards by the discharge hopper 111, thereby realizing the discharging operation. The conveying device 2 is correspondingly arranged on the ground below the discharge opening, and the conveying device 2 extends towards the other opposite end along one end of the asphalt mixing plant and is used for bearing the receiving trolley 5 and conveying the receiving trolley 5 to a plurality of positions, so that different areas of the opening of a container of the receiving trolley 5 are positioned under the discharge opening 1111. An operation space and a channel are formed between the mixing station body 1 and the conveying device 2 so as to facilitate the entering and exiting of the material receiving vehicle 5 and the material receiving operation. As shown in fig. 3 and 4, the width of the conveyor 2 is larger than that of the receiving vehicle 5 so that the receiving vehicle 5 can be completely positioned on the receiving vehicle 5 in the width direction. The conveyor 2 specifically includes a base 21, a conveying section 22, and a drive mechanism 23. The base 21 extends from one end of the mixing station body 1 to the other opposite end, a conveying part 22 is arranged at the top of the base 21, and the conveying part 22 can move along the length extending direction of the base 21; the driving mechanism 23 is in transmission connection with the transmission part 22, so that the transmission part 22 is driven to move by the driving mechanism 23 outputting power. Optionally, the conveyor 22 is flush with the ground. Further, the transfer portion 22 may also move in the reverse direction.

When the material receiving trolley 5 runs to a first position (as shown in fig. 1) on the conveying device 2, the conveying device 2 starts to run, the conveying part 22 drives the material receiving trolley 5 to move, when the material receiving trolley 5 moves to a second position (as shown in fig. 2) under the driving of the conveying part 22, a container 51 on the material receiving trolley 5 is located at a position corresponding to the discharge door 112, at this time, the discharge door 112 is opened, so that asphalt materials in the finished product bin 11 are discharged through the discharge hopper 111 and fall into the container 51 of the material receiving trolley 5, until the container 51 is full or reaches a preset amount, the discharge door 112 is closed, and discharging is completed. Wherein, optionally, the first position may be a position when the driving wheel of the material receiving vehicle 5 is located on the conveying device 2, or may be a position when all the wheels of the material receiving vehicle 5 are located on the conveying device 2. The second position may be a position where the center of the container 51 is aligned with the discharge opening 1111, or a position where the other portion of the open side of the container 51 is aligned with the discharge opening 1111.

EXAMPLE III

The embodiment provides an asphalt mixing plant, which comprises a mixing plant body 1 and a conveying device 2. As shown in fig. 1 and fig. 2, the mixing station body 1 is supported above the ground by a plurality of supports 12, the mixing station body 1 is provided with a finished product bin 11, a discharge hopper 111 is arranged at the bottom of the finished product bin 11, a discharge door 112 is arranged at a discharge port 1111 of the discharge hopper 111, and the discharge door 112 can open or close the discharge port 1111, so that when the discharge door 112 is opened, asphalt materials in the finished product bin 11 can be discharged outwards by the discharge hopper 111, thereby realizing the discharging operation. The conveying device 2 is correspondingly arranged on the ground below the discharge opening, and the conveying device 2 extends to the other opposite end along one end of the asphalt mixing plant. An operation space and a channel are formed between the mixing station body 1 and the conveying device 2 so as to facilitate the entering and exiting of the material receiving vehicle 5 and the material receiving operation. As shown in fig. 4, the transport device 2 specifically includes a base 21, a conveying section 22, and a drive mechanism 23. The base 21 extends from one end of the mixing station body 1 to the other opposite end, a conveying part 22 is arranged at the top of the base 21, and the conveying part 22 can move along the length extending direction of the base 21; the driving mechanism 23 is in transmission connection with the transmission part 22, so that the transmission part 22 is driven to move by the driving mechanism 23 outputting power. As shown in fig. 5, the number of the transport devices 2 is two, and the two transport devices 2 are arranged side by side. The distance between the two conveying devices 2 is matched with the wheel track of the receiving vehicle 5, and the width of each conveying device 2 is larger than that of the receiving vehicle 5, so that wheels on two sides of the receiving vehicle 5 can be respectively positioned on the two conveying devices 2. Optionally, the conveyor 22 is flush with the ground. Further, the transfer portion 22 may also move in the reverse direction.

When the material receiving trolley 5 runs to a first position (as shown in fig. 1) on the conveying device 2, the conveying device 2 starts to run, the conveying part 22 drives the material receiving trolley 5 to move, when the material receiving trolley 5 moves to a second position (as shown in fig. 2) under the driving of the conveying part 22, a container 51 on the material receiving trolley 5 is located at a position corresponding to the discharge opening 1111, at this time, the discharge door 112 is opened, so that asphalt materials in the finished product bin 11 are discharged through the discharge hopper 111 and fall into the container 51 of the material receiving trolley 5, until the container 51 is full or reaches a preset amount, the discharge door 112 is closed, and discharging is completed. Wherein, optionally, the first position may be a position when the driving wheel of the material receiving vehicle 5 is located on the conveying device 2, or may be a position when all the wheels of the material receiving vehicle 5 are located on the conveying device 2. The second position may be a position where the center of the container 51 is aligned with the discharge opening 1111, or a position where the other portion of the open side of the container 51 is aligned with the discharge opening 1111.

Example four

The asphalt mixing plant provided in the embodiment is further improved on the basis of the third embodiment. As shown in fig. 6 and 7, the two side edges of the conveying part 22 are respectively provided with a stop plate 3, and each stop plate 3 is protruded upwards from the conveying part 22 so as to limit and guide the wheel of the material receiving vehicle 5 through the stop plates 3 on the two sides, thereby preventing the wheel from shifting when the material receiving vehicle 5 is on the conveying part 22. Wherein the stopper plates 3 are provided in pairs, each pair of stopper plates 3 being provided correspondingly in the width direction of the conveying portion 22. A plurality of pairs of stop plates 3 are arranged at intervals along the length extension direction of the conveying part 22 so as to limit and guide the wheels at different positions. Further, a plurality of pairs of stopper plates 3 may be provided continuously in the longitudinal extending direction of the conveying portion 22, or an integrated stopper plate 3 extending in the longitudinal extending direction of the conveying portion 22 may be provided. Alternatively, the stopper plate 3 may be made of a flexible material, and a surface of the stopper plate 3 may be provided with a flexible material, such as rubber, sponge, or the like.

Further, the number of the conveying devices 2 may be other even numbers, as shown in fig. 8, four conveying devices 2 are arranged side by side, two adjacent conveying devices 2 are in one group, two conveying devices 2 in each group correspond to wheels on two sides of the same material receiving vehicle 5, and each group of conveying devices 2 corresponds to one port, so that one asphalt mixing plant can simultaneously carry out the unloading operation on a plurality of material receiving vehicles 5.

Furthermore, the number of the discharge openings is multiple, and the multiple discharge openings simultaneously correspond to a group of conveying devices 2, so that the multiple discharge openings can simultaneously discharge to the same material receiving vehicle 5 on the group of conveying devices 2, and the discharging efficiency is improved.

EXAMPLE five

The embodiment provides an asphalt mixing plant, which comprises a mixing plant body 1, a conveying device 2 and a controller. As shown in fig. 1 and fig. 2, the mixing station body 1 is supported above the ground by a plurality of supports 12, the mixing station body 1 is provided with a finished product bin 11, a discharge hopper 111 is arranged at the bottom of the finished product bin 11, a discharge door 112 is arranged at a discharge port 1111 of the discharge hopper 111, and the discharge door 112 can open or close the discharge port 1111, so that when the discharge door 112 is opened, asphalt materials in the finished product bin 11 can be discharged outwards by the discharge hopper 111, thereby realizing the discharging operation. The conveying device 2 is correspondingly arranged on the ground below the discharge door 112, and the conveying device 2 extends from one end of the asphalt mixing plant to the other opposite end and is used for bearing the material receiving vehicle 5 and conveying the material receiving vehicle 5 to a plurality of positions, so that different areas of the opening of the container of the material receiving vehicle 5 are positioned right below the discharge opening 1111. An operation space and a channel are formed between the mixing station body 1 and the conveying device 2 so as to facilitate the entering and exiting of the material receiving vehicle 5 and the material receiving operation. A controller is provided in the asphalt mixing plant and is electrically connected to the discharge gate 112 and the conveyor 2 to control the operation of the discharge gate 112 and the conveyor 2.

When the material receiving trolley 5 runs to a first position on the conveying device 2 (as shown in fig. 1), the controller controls the conveying device 2 to start running, the conveying device 2 drives the material receiving trolley 5 to move, when the material receiving trolley 5 moves to a second position under the driving of the conveying device 2 (as shown in fig. 2), the container 51 on the material receiving trolley 5 is located at a position corresponding to a discharge opening, at the moment, the controller controls the discharge door 112 to open, so that asphalt materials in the finished product bin 11 are discharged through the discharge hopper 111 and fall into the container 51 of the material receiving trolley 5, and at the same time, the controller controls the conveying device 2 to continue running until the material receiving trolley 5 reaches a third position, and the controller controls the discharge door 112 to close, so that discharging is completed. In the process that the material receiving vehicle 5 moves from the second position to the third position, the moving speed of the conveying device 2 is matched with the discharging speed of the discharging opening. Alternatively, the first position may be a position where the driving wheels of the material receiving vehicle 5 are located on the conveyor 2, or may be a position where all the wheels of the material receiving vehicle 5 are located on the conveyor 2. The second position may be a position where the center of the container opening is aligned with the discharge opening 1111 or a position where other portions of the container opening are aligned with the discharge opening 1111. The third position may be a position at which the cargo box 51 has reached a full capacity or a preset amount.

EXAMPLE six

The embodiment provides an asphalt mixing plant, and the conveying device 2 is further improved on the basis of the fifth embodiment. As shown in fig. 9, the conveying device 2 further includes a plurality of limit switches 24 for detecting the position information of the material receiving cart 5, and the limit switches 24 are disposed on the top of the conveying device 2 and spaced along the longitudinal extension direction of the conveying device 2. The limit switch 24 is electrically connected with the controller to transmit the detected position information of the material receiving vehicle 5 to the controller, so that the controller can control the operation of the conveying device 2 according to the position information of the material receiving vehicle 5.

EXAMPLE seven

The embodiment provides an asphalt mixing plant, which is further improved on the basis of the fifth embodiment. As shown in fig. 10, the asphalt mixing plant further includes a weighing device 41 disposed below the conveyor 2 to weigh the material receiving vehicle 5 when the material receiving vehicle 5 is on the conveyor 2. The weighing device 41 is electrically connected with the controller to transmit weighing information to the controller, so that the controller determines whether the amount of the asphalt material in the receiving vehicle 5 reaches a full amount or a preset amount through the change of the weighing information, and controls the opening and closing of the discharge door 112 according to the amount of the asphalt in the receiving vehicle 5, thereby further improving the accuracy of the discharging operation and preventing the overload phenomenon.

Example eight

The embodiment provides an asphalt mixing plant, which is further improved on the basis of the fifth embodiment. The asphalt mixing plant also comprises a level indicator which is arranged in the finished product bin 11 to detect the level of asphalt in the finished product bin 11. The material level meter is electrically connected with the controller to transmit material level information of asphalt in the finished product bin 11 to the controller, so that the controller confirms whether the quantity of the asphalt in the finished product bin 11 meets the quantity required by the material receiving vehicle 5 or not through the material level information, and controls the operation of the conveying device 2 according to the material level information, and only when the material level of the asphalt in the finished product bin 11 reaches the full capacity or the preset quantity of the material receiving vehicle 5, the conveying device 2 is controlled to move the material receiving vehicle 5 from the first position to the second position and carry out unloading operation.

Example nine

The embodiment provides an asphalt mixing plant, which is further improved on the basis of the fifth embodiment. As shown in fig. 11, the asphalt mixing plant further includes a display device, which specifically includes a display lamp 42, and is disposed on one side of the mixing plant body 1 to display the unloading state of the asphalt mixing plant, and the color change of the display lamp 42 indicates the change of the unloading state, so that the driver of the material receiving vehicle 5 can timely know the material receiving condition of the material receiving vehicle 5, and after the material receiving operation is completed, the material receiving vehicle 5 can be timely driven away from the material receiving vehicle, thereby reducing the waiting time and improving the production efficiency. The display lamp 42 is electrically connected with the controller, so that the controller can control the color change of the display lamp 42 according to the opening and closing state of the discharge door 112, the automatic information butt joint is realized, and the time waste caused by the information butt joint is favorably reduced.

It should be noted that the display device may also be one of a display screen, a buzzer, a voice prompt, or a combination of at least two of them.

Example ten

The embodiment provides an asphalt mixing plant which comprises a mixing plant body 1, a conveying device 2, a stop plate 3, a controller, a weighing device 41, a level indicator and a display device.

As shown in fig. 1 and fig. 2, the mixing station body 1 is supported above the ground by a plurality of supports 12, the mixing station body 1 is provided with a finished product bin 11, a discharge hopper 111 is arranged at the bottom of the finished product bin 11, a discharge door 112 is arranged at a discharge port 1111 of the discharge hopper 111, and the discharge door 112 can open or close the discharge port 1111, so that when the discharge door 112 is opened, asphalt materials in the finished product bin 11 can be discharged outwards by the discharge hopper 111, thereby realizing the discharging operation. The conveying device 2 is correspondingly arranged on the ground below the discharge door 112, and the conveying device 2 extends from one end of the asphalt mixing plant to the other opposite end and is used for bearing the material receiving vehicle 5 and conveying the material receiving vehicle 5 to a plurality of positions, so that different areas of the opening of the container of the material receiving vehicle 5 are positioned right below the discharge opening 1111. An operation space and a channel are formed between the mixing station body 1 and the conveying device 2 so as to facilitate the entering and exiting of the material receiving vehicle 5 and the material receiving operation. As shown in fig. 4, the transport device 2 specifically includes a base 21, a conveying section 22, and a drive mechanism 23. The base 21 extends from one end of the mixing station body 1 to the other opposite end, a conveying part 22 is arranged at the top of the base 21, and the conveying part 22 can move along the length extending direction of the base 21; the driving mechanism 23 is in transmission connection with the transmission part 22, so that the transmission part 22 is driven to move by the driving mechanism 23 outputting power. As shown in fig. 8, the number of the conveying devices 2 is four, four conveying devices 2 are arranged side by side, two adjacent conveying devices 2 are in a group, two conveying devices 2 in each group correspond to wheels on two sides of the same receiving vehicle 5, the distance between two conveying devices 2 in each group is matched with the wheel distance of the receiving vehicle 5, and the width of each conveying device 2 is greater than the width of the receiving vehicle 5, so that the wheels on two sides of the receiving vehicle 5 can be respectively located on the two conveying devices 2. In addition, each set of conveying devices 2 corresponds to the same discharge opening, so that one asphalt mixing plant can simultaneously perform the discharging operation on a plurality of receiving trucks 5. Optionally, the conveyor 22 is flush with the ground. Further, the transfer portion 22 may also move in the reverse direction.

The stop plates 3 are arranged at the edges of two sides of the conveying part 22, and each stop plate 3 is upwards protruded from the conveying part 22 so as to limit and guide the wheels of the material receiving vehicle 5 through the stop plates 3 on the two sides and prevent the wheels from shifting when the material receiving vehicle 5 is positioned on the conveying part 22. Wherein the stopper plates 3 are provided in pairs, each pair of stopper plates 3 being provided correspondingly in the width direction of the conveying portion 22. A plurality of pairs of stop plates 3 are arranged at intervals along the length extension direction of the conveying part 22 so as to limit and guide the wheels at different positions. Further, a plurality of pairs of stopper plates 3 may be provided continuously in the longitudinal extending direction of the conveying portion 22, or an integrated stopper plate 3 extending in the longitudinal extending direction of the conveying portion 22 may be provided. Alternatively, the stopper plate 3 may be made of a flexible material, and a surface of the stopper plate 3 may be provided with a flexible material, such as rubber, sponge, or the like.

A controller is provided in the asphalt mixing plant and is electrically connected to the discharge gate 112 and the conveyor 2 to control the operation of the discharge gate 112 and the conveyor 2. When the material receiving trolley 5 runs to a first position on the conveying device 2 (as shown in fig. 1), the controller controls the conveying device 2 to start running, the conveying part 22 drives the material receiving trolley 5 to move, when the material receiving trolley 5 moves to a second position under the driving of the conveying part 22 (as shown in fig. 2), the container 51 on the material receiving trolley 5 is located at a position corresponding to a discharge opening, at this time, the controller controls the discharge door 112 to open, so that asphalt materials in the finished product bin 11 are discharged through the discharge hopper 111 and fall into the container 51 of the material receiving trolley 5, and at the same time, the controller controls the conveying device 2 to continue running until the material receiving trolley 5 reaches a third position, and the controller controls the discharge door 112 to close, so that discharging is completed. In the process that the material receiving vehicle 5 moves from the second position to the third position, the moving speed of the conveying device 2 is matched with the discharging speed of the discharging opening. Alternatively, the first position may be a position where the driving wheels of the material receiving vehicle 5 are located on the conveyor 2, or may be a position where all the wheels of the material receiving vehicle 5 are located on the conveyor 2. The second position may be a position where the center of the container opening is aligned with the discharge opening 1111 or a position where other portions of the container opening are aligned with the discharge opening 1111. The third position may be a position at which the cargo box 51 has reached a full capacity or a preset amount.

As shown in fig. 9, the conveying device 2 further includes a plurality of limit switches 24 for detecting the position information of the material receiving cart 5, and the limit switches 24 are disposed on the top of the conveying device 2 and spaced along the longitudinal extension direction of the conveying device 2. The limit switch 24 is electrically connected with the controller to transmit the detected position information of the material receiving vehicle 5 to the controller, so that the controller can control the operation of the conveying device 2 according to the position information of the material receiving vehicle 5.

As shown in fig. 10, a weighing device 41 is provided below the conveyor 2 to weigh the material receiving cart 5 when the material receiving cart 5 is positioned on the conveyor 2. The weighing device 41 is electrically connected with the controller to transmit weighing information to the controller, so that the controller determines whether the amount of the asphalt material in the receiving vehicle 5 reaches a full amount or a preset amount through the change of the weighing information, and controls the opening and closing of the discharge door 112 according to the amount of the asphalt in the receiving vehicle 5, thereby further improving the accuracy of the discharging operation and preventing the overload phenomenon.

The level indicator is arranged in the finished product bin 11 to detect the level of the asphalt in the finished product bin 11. The material level meter is electrically connected with the controller to transmit material level information of asphalt in the finished product bin 11 to the controller, so that the controller confirms whether the quantity of the asphalt in the finished product bin 11 meets the quantity required by the material receiving vehicle 5 or not through the material level information, and controls the operation of the conveying device 2 according to the material level information, and only when the material level of the asphalt in the finished product bin 11 reaches the full capacity or the preset quantity of the material receiving vehicle 5, the conveying device 2 is controlled to move the material receiving vehicle 5 from the first position to the second position and carry out unloading operation.

As shown in fig. 11, the display device specifically includes a display lamp 42, and is disposed on one side of the mixing plant body 1 to display the unloading state of the asphalt mixing plant, and the color change of the display lamp 42 indicates the change of the unloading state, so that the driver of the material receiving vehicle 5 can timely know the material receiving condition of the material receiving vehicle 5, and after the material receiving operation is completed, the material receiving vehicle 5 can timely drive away from the material receiving vehicle, thereby reducing the waiting time and improving the production efficiency. The display lamp 42 is electrically connected with the controller, so that the controller can control the color change of the display lamp 42 according to the opening and closing state of the discharge door 112, the automatic information butt joint is realized, and the time waste caused by the information butt joint is favorably reduced. It should be noted that the display device may also be one of a display screen, a buzzer, a voice prompt, or a combination of at least two of them.

Above combine the figure detailed description the utility model discloses a technical scheme can realize the on-the-spot unmanned operation of unloading of bituminous mixing plant, can improve the accuracy and the production efficiency of the operation of unloading, is favorable to reducing the human cost and reduces the potential safety hazard on the scene of unloading.

In the present application, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or unit indicated must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An asphalt mixing plant, comprising:

the stirring station comprises a stirring station body, wherein the stirring station body is supported above the ground through a plurality of supports, the stirring station body is provided with a finished product bin, the bottom of the finished product bin is provided with a discharge opening, and the discharge opening is provided with a discharge door for controlling the opening and the closing of the discharge opening;

and the conveying device is correspondingly arranged on the ground below the discharge opening and is used for bearing the receiving trolley and conveying the receiving trolley to a plurality of positions so as to enable different areas of the opening of the container of the receiving trolley to be positioned under the discharge opening.

2. The asphalt mixing plant of claim 1, wherein said conveying means comprises:

a base extending from one end of the asphalt mixing plant to an opposite end;

the conveying part is arranged at the top of the base and can move along the extending direction of the base;

and the driving mechanism is in transmission connection with the conveying part so as to drive the conveying part to move.

3. The asphalt mixing plant of claim 2,

the number of the conveying devices is even, a plurality of the conveying devices are arranged side by side,

the conveying devices are arranged in a group, the distance between every two adjacent conveying devices in each group is matched with the wheel track of the receiving vehicle, and each group of conveying devices corresponds to at least one discharge opening.

4. The asphalt mixing plant of claim 3, further comprising:

the plurality of stop plates are arranged at the edges of two sides of the conveying part, the stop plates are upwards protruded from the conveying part, and the stop plates are arranged at intervals along the extending direction of the conveying part.

5. The asphalt mixing plant according to claim 4,

the number of the discharge openings is multiple, and a plurality of discharge openings are correspondingly arranged above each group of the conveying devices.

6. The asphalt mixing plant of claim 1, further comprising:

and the controller is electrically connected with the discharge door and the conveying device and is used for controlling the operation of the discharge door and the conveying device.

7. The asphalt mixing plant of claim 6, wherein the conveyor further comprises:

a limit switch arranged on the conveying device and used for detecting the position information of the receiving vehicle,

wherein, limit switch is connected with the controller electricity.

8. The asphalt mixing plant of claim 6, further comprising:

the weighing device is arranged below the conveying device and is used for weighing the receiving vehicle on the conveying device,

wherein the weighing device is electrically connected with the controller.

9. The asphalt mixing plant of claim 6, further comprising:

a level meter arranged in the finished product bin and used for detecting the level of the asphalt in the finished product bin,

wherein the level gauge is electrically connected with the controller.

10. The asphalt mixing plant of claim 6, further comprising:

the display equipment is arranged on one side of the mixing plant body and is used for displaying the unloading state of the asphalt mixing plant,

wherein the display device is electrically connected with the controller.

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