CN206913459U - With reference to the sunk type sandstone blending station in stock ground - Google Patents

Abstract

The utility model discloses a sunken sand and gravel mixing station for a combined material field, which includes a control system, an aggregate bin, a stirring device and a vehicle-carrying lifting device. The aggregate bin and the stirring device are both arranged in a pit below the ground. The control system is set on the ground; multiple aggregates are arranged horizontally on one side of the mixing device, and the bottom of the mixing device is equipped with a conveyor belt connected to the material inlet of the mixing device. The car lifting device communicates with the external loader; the main equipment of the mixing station is moved underground, which reduces the floor area of the mixing station; and the input and output of materials are changed and combined with the material yard. On the one hand, it can Realize the horizontal or downward input of the initial material, shorten the material conveying distance, not only increase the operating speed of the mixing plant, but also reduce the number of workers. The characteristic of loss is conducive to improving the working capacity of the mixing station.

Description

Sunken sand and gravel mixing plant in the combined material yard

technical field

The utility model belongs to the field of mixing stations, and the specific design relates to a sunken sand and gravel mixing station for a material yard.

Background technique

The mixture of fine sand, lime, cement, etc. is commonly used in construction. At present, most of them are mixed directly by mixing equipment on site. Not only is the production efficiency low, the mixing quality is difficult to guarantee, but it also brings serious dust pollution to the construction area. , harming the health of workers.

Contents of the invention

In view of this, the purpose of the utility model is to provide a sinking sand and gravel mixing station capable of large-scale production of sand and gravel mixture, so as to improve production efficiency and mixing quality, and reduce noise and dust pollution.

In order to achieve the above purpose, the utility model provides the following technical solutions: a sinking sand and gravel mixing plant combined with a stockyard, including a control system, an aggregate bin, a stirring device and a vehicle lifting device, the aggregate bin and the mixing The devices are arranged in the pit below the ground, the control system is set on the ground, the vehicle lifting device is set in the pit and has a certain horizontal distance from the mixing device; there are at least two aggregate bins arranged horizontally on On one side of the stirring device, the bottom of the aggregate bin is provided with a conveyor belt connected to the material inlet of the stirring device, and a discharge device is provided under the stirring device, and the discharge device is connected to the outside of the pit through the vehicle lifting device. The loader communicates with each other; one end of the vehicle-carrying lifting device is connected to the bottom surface of the pit, and the other end is vertically higher than the top surface of the pit; The material storage yard includes a material shed, a material storage platform located below the material shed, an input belt conveyor and an output belt conveyor arranged on both sides of the material storage platform, a stacker and a stacker arranged above the material storage platform. The material machine walks on a platform, and a reclaimer is provided between the material storage platform and the output belt conveyor.

Further, the vehicle lifting device is a vertical lifting mechanism, which is composed of a lifting platform, a traction device, and a traction device. The lifting platform is used to carry the external loader, and the traction device is driven by the traction device. To drive the lifting platform to do vertical up and down movement.

Further, there are at least two groups of vertical lifting mechanisms arranged side by side in a straight line.

Further, a cross-shaped transposition guide rail is provided between the vertical lifting mechanism and the stirring device.

Further, the lifting platform is provided with a rotary body for placing the external charging machine.

Further, it also includes a powder silo arranged in the pit. There are several powder silos arranged horizontally on one side of the stirring device adjacent to the aggregate silo. A weighing device is arranged above the stirring device. The discharge end of the bin is connected with the weighing device through a screw conveyor.

Further, the vehicle-loaded lifting device is arranged on the other side of the stirring device and corresponds to the conveyor belt.

Further, the arrangement structure of the conveyor belt is straight or bent with a small inclination angle at one end connected to the stirring device, and the angle of the small inclination angle is 12°-16° to the horizontal.

Further, the storage yard is arranged at one side of the aggregate silo, and the output belt conveyor in the storage yard is in one-to-one contact with the feed inlet of the aggregate silo.

Further, the feed inlet of the aggregate bin is not higher than the ground.

Further, it also includes a dust removal device correspondingly arranged above the stirring device and the powder silo.

Further, the top surface of the pit is covered with a cover, and the cover is provided with an inspection port, a ventilation port, and an aggregate input port, and the aggregate input port communicates with the aggregate bin entrance. The lifting device protrudes out of the cover.

The beneficial effects of the utility model are:

1. The utility model adopts the vehicle-loaded lifting device to transport the finished sand and gravel to the outside, which has the characteristics of high efficiency and low loss, which greatly improves the working efficiency and production capacity of the mixing station; at the same time, according to the terrain, landform, address, mountain Adaptive adjustments to the conveying position, direction, length, height, etc. of the vehicle-loaded lifting device will help to enhance the applicability of the mixing station.

2. The utility model also improves the overall technical content, popularization rate and regionality of the mixing station, and its production capacity can be increased by 20%-30%.

3. The utility model moves the main equipment underground, so that the main equipment can help the pit to form a solid closed space, which is not only beneficial to dust collection, but also can eliminate low-frequency vibration, reduce noise pollution, and realize the protection of pollution sources such as dust and noise. centralized control.

4. Combining with the material yard, it can realize the integration of the material storage yard and the mixing station, thereby shortening the material transportation time and transportation cost, and further shortening the material transportation distance, which not only improves the system operation speed, but also reduces the number of workers .

In general, the mixing station uses a sealed pit to completely seal the mixing main engine (that is, the mixing device) and material transmission, and completely solve environmental problems such as dust, noise, vibration, etc.; use the mixing device to sink to achieve material level and downward feeding, Shorten the material transmission distance, reduce the cost of material transportation, and increase the transmission speed; greatly reduce the occupied area, save land use costs, and improve land use efficiency; greatly reduce the number and height of ground buildings, reduce adverse impacts on the environment, and avoid In order to avoid conflicts with urban and rural construction planning, expand the scope of optional sites for building stations, shorten the distance from the construction site for materials, and realize the supply of materials for nearby construction sites to ensure timely supply of materials for surrounding construction sites.

Description of drawings

In order to make the purpose, technical solutions and beneficial effects of the utility model clearer, the utility model provides the following drawings for illustration:

Fig. 1 is the technological arrangement schematic diagram of the present utility model;

Fig. 2 is the I-I sectional view of Fig. 1;

Fig. 3 is the II-II sectional view of Fig. 1;

Fig. 4 is a III-III sectional view of Fig. 1;

Fig. 5 is a IV-IV sectional view of Fig. 1 .

detailed description

The preferred embodiments of the present utility model will be described in detail below in conjunction with the accompanying drawings.

As shown in the figure, the sinking vertical lifting sand and gravel mixing plant in the utility model includes a control system, an aggregate bin 6, an agitating device 1 and a vehicle lifting device 2, and the aggregate bin 6 and the agitating device 1 are both Arranged in the pit 4 below the ground, the control system is set on the ground; there are at least two aggregate bins 6 arranged horizontally on the side of the stirring device 1, and the bottom of the aggregate bin 6 is provided with a mixing The conveyor belt 9 connected to the material inlet of the device 1, the unloading device 3 is arranged below the stirring device 1, and the unloading device 3 communicates with the loading machine outside the pit through the vehicle lifting device 2; One end of the car lifting device is connected to the bottom of the pit, and the other end is vertically higher than the top of the pit. The car lifting device enables the loader to enter and exit the pit 4, and directly connects with the unloading device 3 under the mixing device 1 , so that the finished sand and gravel material stirred by the stirring device 1 is transported outward.

In this embodiment, the control system and the unloading device 3 are arranged on the ground, and the operator can control the lower operation through the monitoring system installed in the pit and the control system on the ground without entering the pit 4, which improves the operation efficiency. safety. The aggregate silo and mixing device 1 are located underground, and the materials on the ground can be transported horizontally; that is, the materials are transported to the aggregate silo, and the aggregate is transported to the aggregate silo by the way of blanking, which eliminates the need for lifting The process reduces the difficulty of feeding and the energy consumption of feeding. By completing the mixing and stirring underground, the external noise pollution is reduced. In addition, since all parts are operated underground, the dust generated during the operation can be closed and recycled, further reducing the external dust pollution. The truck-loaded lifting device 2 can directly load the finished sand and gravel from the mixing device into the truck-loaded lifting device and then transport it outward, which has the advantages of high efficiency and low loss, thereby improving the working efficiency and production capacity of the mixing station.

The vehicle lifting device 2 in this embodiment is a vertical lifting mechanism, which is composed of a lifting platform (not marked), a traction device (not shown), and a traction device (not shown). In the above-mentioned external loader, the traction device drives the lifting platform to move vertically up and down through the transmission of the traction device. The vertical lifting mechanism can be existing equipment, such as an elevator, and its traction device and traction device can be conventionally selected, such as a motor, a chain, etc., respectively, that is, the lifting table and the connecting motor are connected through a chain, and the chain passes through The motor drives to drive the lifting platform up and down.

In another embodiment, there are at least two groups of vertical lifting mechanisms arranged side by side in a straight line, and a cross-shaped transposition guide rail is provided between the vertical lifting mechanism and the stirring device 1 . In this way, through the cross-shaped transposition guide rail, multiple external loaders can simultaneously enter the pit and respectively dock with the mixing device, and transport the finished sand and gravel outward, so as to improve the working efficiency and production capacity of the mixing station.

In another embodiment, the lifting platform is provided with a rotating body (not shown) for placing the external charging machine. In this way, the external loader can turn around in the vertical lifting mechanism through the rotary body, that is, whether the external loader drives into or reverses into the vertical lifting mechanism, after entering the pit, the external loader can be turned. The material inlet at the tail of the feeder is connected to the material outlet below the stirring device. Of course, in different embodiments, the revolving body is separately arranged at the bottom of the pit, and the double-station and multi-station operation of the vertical lifting mechanism can be realized through the revolving body, that is, there are two or more external vehicles at the same time. The charging machine realizes circular operation at the bottom of the pit to improve work efficiency and production capacity. As shown in Figure 1, it is the case of double stations.

The unloading device 3 in this embodiment can temporarily store finished sand and gravel materials, which can ensure the continuous operation of the stirring device to a certain extent, and play a buffering role for the external charging machine.

The aggregate bin 6 in this embodiment is a multi-stage structure, which can realize aggregate batching, weighing and unloading. It quantitatively transports the aggregate to the stirring device 1 through the conveyor belt 9, and the feed port of the aggregate bin 6 Not higher than the ground, the material truck directly transports the aggregate to the feed inlet of the aggregate bin 6 on the ground, and the aggregate can be added by dropping the material, which saves the lifting process of the aggregate and reduces energy consumption. Save floor space. The aggregate bin 6 here also has the function of a storage bin. By enlarging its volume and arranging multiple groups side by side, it can directly receive aggregates such as sand and gravel sent by the feeding truck, and realize temporary storage of aggregates such as sand and gravel. To realize the continuous feeding of the conveyor belt to the mixing device, save waiting time and improve work efficiency.

In the present embodiment, also include a material storage field 12, the described material storage field includes a material shed, a material storage platform 121 positioned below the material shed, an input tape machine 122 and an output tape machine 123 that are respectively located on both sides of the material storage platform 121, set A stacker 124 and a stacker walking platform 125 above the material storage platform 121 , and a reclaimer 127 is provided between the material storage platform 121 and the output belt conveyor 123 .

Specifically, the material storage platform is divided into several different stockpiling areas according to the composition of the aggregate, and the materials from various places are transported to the corresponding stockpiling area of the material storage platform through the input belt conveyor 122, and then are transported by the top of the material storage platform 121. The stacker walking platform 125 and the stacker 124 carry out stacking in different material areas, so that similar materials are stacked in one stacking area. A reclaimer 127 is provided on the material storage platform 121 , and the materials are sent to the aggregate bin through the reclaimer 127 and the output belt conveyor 123 . One method is to transfer each material to each output belt conveyor 123 through the reclaimer, and each output belt conveyor 123 is connected to the feed port of each aggregate bin one by one, and the materials are correspondingly transported to each aggregate bin by category. In the sand and gravel batching bins, different materials are quantitatively discharged to the conveyor belt 9 by each sand and gravel batching bin, and finally the quantitatively discharged materials are sent to the stirring device 1 by the conveyor belt 9 . Another method is, by arranging multiple groups of reclaimers and multiple groups of output tape machines 123 (the number of groups matches the type of material), each material is transferred to the gravel batching bin in parallel by each output tape machine 123, that is, each The materials stored in the sand and gravel batching bins are aggregates that have been prepared in a good amount, and the sequential unloading is realized by opening the sand and gravel batching bins in turn. The stockyard in this embodiment can be a small stockyard, which can be set on one side of the aggregate silo according to the terrain, and the output tape machine in the stockyard and the feed port of the aggregate silo are connected one by one, which can realize The integration of the storage yard and the mixing station shortens the material transportation time and transportation cost.

As a further improvement of the above scheme, an intermediate chute 126 can also be added between the storage platform 121 and the output tape machine 123, and the intermediate chute 126 is also divided into a plurality of stacking areas. To realize material transfer, the output tape machine 123 is directly located under the middle trough to realize continuous output of materials.

This embodiment also includes a powder bin 5 arranged in the ground pit 4. There are several powder bins 5 arranged horizontally on one side of the stirring device 1 next to the aggregate bin 6. There is a weighing device, and the discharge end of the powder hopper is connected with the weighing device through a screw conveyor 10 . The powder silo located in the ground pit quantitatively transports lime, cement and other powder materials to the mixing device 1 through the screw conveyor 10, which reduces the dust concentration outside during the transfer and transportation of the powder materials.

The vehicle lifting device 2 in this embodiment is arranged on the other side of the stirring device 1 and corresponds to the conveyor belt 9 . The conveyor belt 9 can be a scraper conveyor or a belt conveyor, and its layout structure is straight, which can ensure the horizontal conveying of the aggregate. Of course, in different embodiments, the arrangement structure of the conveyor belt 9 can also adopt a bending type with a small inclination at the end connected to the stirring device 1, so that the conveyor belt can be It is designed to have a small section of inclined lifting, which is conducive to reducing the height of the mixing device in the pit, that is, reducing the depth of the pit. The angle of the small inclination angle is 12°-16° relative to the horizontal, preferably 15°, which can meet the service conditions.

As a further improvement of the above solution, it also includes a dust removal device 11 correspondingly arranged above the powder silo 5 and the stirring device 1 . The dust removal device 11 in this embodiment is a bag dust removal device, which can collect the dust generated by the stirring device 1 during the stirring process, thereby reducing the dust concentration in the pit. Of course, a dust collection and filtering device can also be added on the upper part of the pit to reduce dust and purify the air in the entire pit.

As a further improvement of the above scheme, the top surface of the pit 4 is covered with a cover, and the cover and the pit 4 jointly form an underground sealed space, and the mixing device and material transmission are enclosed to completely solve the problem of dust, noise, vibration, etc. Environmental chronic diseases. The cover is provided with a maintenance port, a ventilation port and an aggregate input port. The aggregate input port communicates with the aggregate bin entrance. The stone is exported outside the pit.

Finally, it is noted that the above preferred embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that it can be described in the form Various changes can be made in the above and in the details without departing from the scope defined by the claims of the present invention.

Claims (12)

1. The sunken sand and gravel mixing plant of the combined material yard is characterized in that it includes a control system, an aggregate bin, a stirring device and a vehicle-loaded lifting device, and the aggregate bin and the stirring device are arranged in a pit below the ground , the control system is set on the ground, the vehicle lifting device is set in the pit and has a certain horizontal distance from the stirring device; there are at least two aggregate bins, arranged horizontally on one side of the stirring device, and the aggregate The bottom of the warehouse is provided with a conveyor belt connected to the material inlet of the stirring device, and a discharge device is provided under the stirring device, and the discharge device communicates with the loading machine outside the pit through the vehicle lifting device; One end of the car lifting device is connected to the bottom surface of the pit, and the other end is vertically higher than the top surface of the pit; It also includes a material storage yard arranged on the ground and located on one side of the aggregate silo. The material storage yard includes a material shed, a material storage platform located under the material shed, and an input tape machine and an output belt respectively arranged on both sides of the material storage platform. machine, a stacker and a stacker walking platform arranged above the storage platform, and a reclaimer is provided between the storage platform and the output belt conveyor. 2. The sunken sand and gravel mixing station of the combined material yard according to claim 1, characterized in that: the vehicle-loaded lifting device is a vertical lifting mechanism, which is composed of a lifting platform, a traction device, and a traction device. The lifting platform is used to carry the external loader, and the traction device is driven by the traction device to drive the lifting platform to move vertically up and down. 3. The sunken sand and gravel mixing plant of the combined material yard according to claim 2, characterized in that: the vertical lifting mechanisms are at least two groups arranged side by side in a line. 4. The sunken sand and gravel mixing station of the combined material yard according to claim 3, characterized in that: a cross-shaped transposition guide rail is arranged between the vertical lifting mechanism and the stirring device. 5. The sunken sand and gravel mixing plant of the combined material yard according to claim 4, characterized in that: the lifting platform is provided with a rotator for placing the external charging machine. 6. The sunken sand and gravel mixing station of the combined material yard according to any one of claims 1-5, characterized in that: it also includes a powder silo arranged in the pit, and the powder silo has several , horizontally arranged on one side of the stirring device adjacent to the aggregate bin, a weighing device is arranged above the stirring device, and the discharge end of the powder bin is connected to the weighing device through a screw conveyor. 7. The sunken sand and gravel mixing plant of the combined material yard according to claim 6, characterized in that: the vehicle-loaded lifting device is arranged on the other side of the mixing device and corresponds to the conveyor belt. 8. The sunken sand and gravel mixing plant of the combined material yard according to claim 7, characterized in that: the arrangement structure of the conveyor belt is straight or the end connected to the stirring device has a small inclination angle. Folding type, the angle of the small inclination angle is 12°-16° with the horizontal. 9. The sunken sand and gravel mixing plant of the combined stockyard according to claim 6, characterized in that: the stockyard is set at one side of the aggregate bin and the output belt conveyor and the aggregate in the stockyard are The feed ports of the bins are connected one by one. 10. The sunken sand and gravel mixing plant of the aggregate yard according to claim 1, characterized in that: the feed inlet of the aggregate bin is not higher than the ground. 11. The sunken sand and gravel mixing plant of the combined material yard according to claim 6, characterized in that it further comprises a dust removal device correspondingly arranged above the stirring device and the powder silo. 12. The sunken sand and gravel mixing station of the combined material yard according to claim 1, characterized in that: the top surface of the pit is covered with a cover, and the cover is left with inspection ports and ventilation ports And the aggregate input port, the aggregate input port communicates with the aggregate bin entrance, and the vehicle-loaded lifting device extends out of the cover.