CN206678184U - With the sunk type stabilized soil mixing station that stock ground is combined - Google Patents

Abstract

The utility model discloses a sunken stabilized soil mixing station combined with a material field. The storage device, the mixing device and the finished product storage bin are all arranged in the pit below the ground; one end of the inclined lifting device is lower than the bottom surface of the pit and It is connected to the outlet of the finished product silo, and the other end is far away from the finished product silo and higher than the top of the pit to lift the material to the ground; there is a storage yard connected to the sand and gravel batching silo in the storage device on the ground. The mixing plant moves the main equipment underground, which reduces the floor area of the mixing plant, eliminates the high-altitude buildings and operations on the ground; changes the input and output of materials, and combines with the stockyard, on the one hand, it can achieve the level of the initial material Or downward input, which shortens the material conveying distance, not only increases the operating speed of the mixing plant, but also reduces the number of workers. On the other hand, the inclined lifting device is used to output the finished stabilized soil, which has the characteristics of high efficiency and low loss, which is beneficial to improve The working capacity of the mixing station.

Description

The sunken stabilized soil mixing plant combined with the stockyard

technical field

The utility model belongs to the field of mixing stations, and relates to a sunken stabilized soil mixing station combined with a material yard.

Background technique

Stabilized soil mixing plant is one of the important models of road construction machinery. The so-called stabilized soil mixing station is a special production equipment that uniformly mixes materials such as soil, crushed stone, gravel, cement, fly ash, lime and water at a fixed location according to the construction mix ratio. A high-efficiency stabilized soil base construction machine has the advantages of high material grading accuracy, good mixing uniformity, material saving, easy automatic control, etc., and can better ensure the quality of stabilized soil materials, so it is widely used in highways and urban roads Base and subbase construction.

In the stabilized soil mixing station in the prior art, the height of large equipment such as material storage device and mixing device on the ground is relatively high. Although the tanker can be loaded with material by dropping, the powder tank is built at a high place and needs to be lifted up. Aggregate such as material, sand and gravel requires an additional conveying device to lift the material to the inlet of the mixing machine. The lifting height is large and the air transmission distance is long, which brings more problems, mainly in the following aspects:

(1) It is difficult to isolate dust, noise and vibration;

(2) The production efficiency is low. The actual performance of a 3-square unit with a nominal capacity of 180 cubic meters per hour is often around 50%, that is, the actual production capacity is only 90-100 cubic meters;

(3) It occupies a large area and the cost of land use is relatively high;

(4) High energy consumption, high cost, unavoidable spillage of materials during the lifting process, and the need to equip multiple people for cleaning and maintenance, which increases the labor cost of the enterprise;

(5) There are many and tall buildings on the ground, with obvious industrial pollution signs, which are not in harmony with the surrounding environment of urban and rural construction planning, and the site selection range is small, making it difficult to supply materials nearby.

In general, the existing equipment is not conducive to energy saving and emission reduction, reducing energy consumption of enterprises and improving production efficiency. At the same time, it is also necessary to consider the problems of earthquake resistance and wind speed caused by the high height of the equipment, which leads to the limited shape and volume of each device, which greatly restricts the production capacity, popularization rate and regionality of the stabilized soil mixing plant.

Contents of the invention

In view of this, the purpose of this utility model is to provide a sunken stabilized soil mixing plant combined with a material yard, which can reduce the occupied area, reduce noise and dust pollution by improving the layout.

In order to achieve the above purpose, the utility model provides the following technical solutions: a sunken stabilized soil mixing station combined with a stockyard, including a storage system for storing materials, a stirring device, a finished product storage bin and an electrical control system, and It includes a buffer hopper, an inclined lifting device and a discharge device. The storage system, the stirring device and the finished product storage bin are all arranged in the pit below the ground, the electrical control system and the discharge device are arranged on the ground, and the finished product The storage bin is arranged under the stirring device, one end of the inclined lifting device is arranged under the finished product storage bin, and the other end is connected with the buffer hopper arranged on the pit, and the unloading device is arranged under the buffer hopper;

It also includes a storage yard arranged on the ground and located on one side of the storage system. The storage yard includes a material shed, a material storage platform located under the material shed, and an input tape machine and an output tape machine respectively arranged on both sides of the material storage platform. 1. A stacker and a stacker walking platform arranged above the material storage platform, and a reclaimer is provided between the material storage platform and the output belt conveyor.

Further, the inclined lifting device is an inclined rail tipping bucket feeding mechanism, which is composed of an inclined guide rail and a tipping hopper, and the tipping hopper is slidingly matched with the inclined guide rail.

Furthermore, the inclined guide rails have a side-by-side double-track structure, and both ends are provided with bumpers, and buffer pads are arranged on the bumpers, which are used to buffer the impact force of the lifting and lowering of the tipping hopper on the inclined guide rails.

Further, the angle between the horizontal intersection of the inclined guide rail and the top surface of the pit is 55°-65°.

Further, the storage system includes a powder silo, a gravel batching bin, a water storage bin, and an additive bin. There are several powder bins arranged horizontally on one side of the stirring device. There are at least two sand and gravel batching bins. one, arranged horizontally on the other side of the stirring device adjacent to the powder hopper, the bottom of the gravel batching silo is provided with a conveyor belt connected to the inlet of the stirring device, and the water storage silo and the additive silo are arranged on the powder silo Between the silo and the gravel batching silo.

Further, the storage yard is arranged at one side of the sand and gravel batching bin, and the output belt conveyor in the storage yard is connected to the inlet of the sand and gravel batching bin in one-to-one correspondence.

Further, the inclined lifting device is arranged on one side of the stirring device and corresponds to the conveyor belt.

Further, the material inlet of the gravel batching bin is not higher than the ground.

Further, the powder silo includes a cement silo and a blending silo, a weighing system is arranged above the stirring device, and the discharge ends of the cement silo and each blending silo pass through a screw conveyor and a weighing system. connected; the water storage bin and the admixture bin are connected to the weighing system through a control pipeline.

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

Further, the top surface of the pit is covered with a cover, and an inspection port, a ventilation port and a gravel inlet are left on the cover, and the gravel input port communicates with the entrance of the gravel batching bin. Lifting device protrudes out of the cover.

The beneficial effects of the utility model are:

1. The utility model uses an inclined lifting device to transport the finished stabilized soil outward, which has the characteristics of high efficiency and large capacity, which greatly improves the working efficiency of the mixing station; at the same time, it can , adaptively adjust the conveying position, direction, length, height, etc. of the inclined lifting device, which is conducive to enhancing 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, the integration of the material storage yard and the mixing station can be realized, thereby shortening the material transportation time and transportation cost, and further shortening the material transportation distance, which not only improves the operating speed of the system, but also reduces the number of workers .

In general, the utility model uses the sealed pit to completely seal the mixing device and material transmission, completely solving environmental problems such as dust, noise, vibration, etc.; the utility model uses the sinking of the mixing device to realize material level and downward feeding, shortening the material transmission distance, Reduce the cost of material transportation and increase the conveying speed; the caching warehouse technology is reasonably used in the discharge link, so that the mixing unit does not have to stop running while waiting for the tank truck to receive the material, which solves the bottleneck of the output speed of the finished product; greatly reduces the occupied area and saves land use costs , improve land use efficiency; significantly reduce the number and height of ground buildings, reduce adverse impacts on the environment, avoid conflicts with urban and rural construction planning, expand the scope of optional site construction, shorten the distance from the site where materials are used, and realize nearby construction Supply materials to ensure timely supply of materials to 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;

Fig. 6 is a schematic structural view of the inclined lifting device.

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 utility model provides the following technical solutions: a sunken stabilized soil mixing station combined with a material yard, including a storage system for storing materials, a mixing device 1, a finished product storage bin and an electrical control system, It also includes a buffer hopper, an inclined lifting device 2 and a discharge device 3. The storage system, the stirring device 1 and the finished product storage bin are all arranged in the pit 4 below the ground, and the electrical control system and the discharge device 3 are set On the ground, the finished product silo is set under the stirring device, one end of the inclined lifting device is set under the finished product silo, and the other end is connected with the buffer hopper set on the pit, and the unloading device 3 is set at Below the buffer hopper.

In this embodiment, the electrical 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 electrical control system on the ground without entering the pit, which improves the operation efficiency. safety. The storage system and the mixing device 1 are located underground, and the materials on the ground can be transported horizontally; that is, the materials are transported to the storage system, and the materials are correspondingly transported to the storage bins in the storage system by dropping the material. The lifting process is simplified, and the difficulty and energy consumption of feeding materials are reduced. 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 finished product silo located under the stirring device 1 can realize the continuous operation of the stirring device 1 and the uninterrupted output of materials. Correspondingly, the buffer hopper installed above the unloading device 3 can further buffer the materials lifted up by the inclined lifting device 2 Temporary storage, thereby shortening the waiting time of the transport vehicle/transfer vehicle and improving work efficiency. According to the actual situation, the shock device can also be added to the buffer hopper.

The inclined lifting device 2 in this embodiment is an inclined rail tipping bucket feeding mechanism, which is composed of an inclined guide rail 21 and a tipping hopper 22. The tipping hopper 22 is slidingly matched with the inclined guide rail 21; The firmness of the inclined guide rail is to improve the stability of the operation of the tipping hopper, and its two ends are provided with a bumper 23, and the bumper 23 is equipped with a buffer pad for buffering the rise and fall of the tipping hopper 22 on the inclined guide rail 21. Drop the shock in place. Of course, in different embodiments, the inclined lifting device is not the only structure, and an L-shaped conveying structure can also be used, which includes a horizontal conveying section and a vertical conveying section, and can also transfer the finished stabilized soil from the finished product silo. The feed port is conveyed to the outside of the pit. The horizontal conveying section can adopt a pulley or traction device, and the vertical conveying section can adopt an electric hoist.

The included angle at which the inclined guide rail 21 horizontally intersects with the top surface of the pit 4 in this embodiment is 55°-65°. The preferred value is 60°, which can meet the conditions of use.

The storage system in this embodiment includes several powder silos 5, sand and gravel batching silos 6, water storage silos 7 and admixture silos 8, each powder silo has a rectangular cross-section and is horizontally arranged on one side of the stirring device 1. There are at least two gravel batching bins 6, which are arranged horizontally on the other side of the stirring device 1 next to the powder bin, and the bottom of the gravel batching bin 6 is provided with a conveyor belt connected to the feeding port of the stirring device 1 9. The water storage bin 7 and the admixture bin 8 are arranged between the powder bin 5 and the gravel batching bin 6 . Specifically, the sand and gravel batching bin 6 is a multi-stage structure, which can realize sand and gravel 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 sand and gravel batching bin 6 Not higher than the ground, the feed truck directly transports the aggregate to the material inlet of the sand and gravel batching bin 6 on the ground, and the aggregate can be added by dropping the material, which saves the aggregate lifting process and reduces energy consumption , saving the floor area. Each powder bin in this embodiment is a rectangular bin, which can not only facilitate the realization of a compact arrangement, but also increase the storage capacity of the powder. The sand and gravel batching bin 6 here also has the function of a storage bin. By expanding its volume and arranging multiple groups side by side, it can directly receive the sand and gravel and other aggregates sent by the feeding truck, and realize the collection of sand and gravel and other aggregates. Temporary storage to realize the continuous feeding of the conveyor belt to the mixing device, saving waiting time and improving 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. The material storage platform 121 is provided with a reclaimer 127, and the material is sent to the gravel batching 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 material inlet of each sand and gravel batching bin one by one, and the materials are correspondingly transported according to the category. In each gravel batching bin, different materials are quantitatively discharged to the conveyor belt 9 by each 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 the side of the gravel batching bin according to the terrain, which can realize the integration of the stockyard and the mixing station, thereby shortening the material transportation time and transportation cost. In this embodiment, the first material conveying mode is adopted.

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.

In this embodiment, the inclined lifting device 2 is arranged on one side of the stirring device 1 and corresponds to the conveyor belt 9 .

The powder silo 5 in the present embodiment includes a cement silo and a blending silo, the blending silo is composed of mineral powder bins, fly ash bins and other powder bins, a weighing system is arranged above the mixing device 1, The discharge end of the cement silo and each blending silo are connected to the weighing system through the screw conveyor 10; the water storage bin 7 and the additive bin 8 are connected to the weighing system through the control pipeline.

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 disease. The cover is provided with a maintenance port, a ventilation port and a gravel input port, the gravel input port communicates with the entrance of the gravel batching bin, and the oblique lifting device 2 extends out of the cover, and the stirred The stabilized soil is output 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 (11)

1. a kind of sunk type stabilized soil mixing station being combined with stock ground, including for storing stocking system, the stirring dress of material Put, finished product bunker and electric control system, it is characterised in that：Also include buffering hopper, inclined lifting device and device for discharging, institute State stocking system, agitating device and finished product bunker to be arranged in the melt pit of below ground, the electric control system and discharging Device is set on the ground, and the finished product bunker is arranged on below agitating device, and described inclined lifting device one end is arranged on into Below product bunker, the other end is connected with the buffering hopper being arranged on melt pit, and the device for discharging is arranged on below buffering hopper；

Also include setting on the ground and positioned at the bedding plant of stocking system side, the bedding plant includes material shed, positioned at material shed The storing platform of lower section, set up separately storing platform both sides input adhesive tape machine and dispensing adhesive tape machine, be arranged on above storing platform Stacker and stacker travelling platform, be provided with reclaimer between the storing platform and dispensing adhesive tape machine.

2. the sunk type stabilized soil mixing station according to claim 1 being combined with stock ground, it is characterised in that：The inclined Lifting device is ramp tipping bucket feed mechanism, is made up of slant rail, turning hopper, the turning hopper is slidably matched with slant rail.

3. the sunk type stabilized soil mixing station according to claim 2 being combined with stock ground, it is characterised in that：It is described tiltedly to lead Rail is that its both ends end, which is equipped with, meets and discusses in side-by-side double track structure, it is described meet and discuss on be configured with cushion pad, for buffering stirring Struggle against the impulsive force of raising and lowering in place on slant rail.

4. the sunk type stabilized soil mixing station according to claim 2 being combined with stock ground, it is characterised in that：It is described tiltedly to lead Rail is 55 °~65 ° with the horizontal angle intersected of melt pit top surface.

5. the sunk type stabilized soil mixing station being combined with stock ground according to claim any one of 1-4, it is characterised in that： The stocking system includes filler bin, sandstone batch bin, water storage warehouse and additive storehouse, and the filler bin has several, horizontal Agitating device side is arranged in, the sandstone batch bin at least two is horizontally arranged another in the agitating device close to filler bin At side, the sandstone batch bin bottom is provided with the conveyer belt that is connected with agitating device feeding mouth, the water storage warehouse and outer Agent storehouse is added to be arranged between filler bin and sandstone batch bin.

6. the sunk type stabilized soil mixing station according to claim 5 being combined with stock ground, it is characterised in that：The storing The feeding mouth that field is arranged on dispensing adhesive tape machine and sandstone batch bin at sandstone batch bin side and in bedding plant corresponds phase Connect.

7. the sunk type stabilized soil mixing station according to claim 5 being combined with stock ground, it is characterised in that：The inclined Lifting device is arranged on agitating device side and corresponding with conveyer belt.

8. the sunk type stabilized soil mixing station according to claim 5 being combined with stock ground, it is characterised in that：The sandstone The feeding mouth of batch bin is not higher than ground.

9. the sunk type stabilized soil mixing station according to claim 5 being combined with stock ground, it is characterised in that：The powder Storehouse includes cement bin and blending feed bin, and Weighing system is provided with above the agitating device, the cement bin and respectively blending feed bin Discharge end is connected by conveying worm with Weighing system；The water storage warehouse and additive storehouse pass through control piper and weighing System is connected.

10. the sunk type stabilized soil mixing station according to claim 5 being combined with stock ground, it is characterised in that：Also include The dust arrester being correspondingly arranged above filler bin and agitating device.

11. the sunk type stabilized soil mixing station according to claim 5 being combined with stock ground, it is characterised in that：Describedly Hole top surface is stamped capping, and access hole, ventilation mouth and sandstone input port, the sandstone input port and sand are left in the capping Stone batch bin entrance communicates, and the inclined lifting device stretches out capping.