Abandoned soil solidified roadbed composite filling preparation device

Abstract

The utility model discloses a preparation device for composite filler of waste soil solidified roadbed, which relates to the technical field of waste soil treatment, and comprises four fixed columns, a hammer crusher, a material receiving and stirring mechanism and a fine material recovery receiving box, wherein the upper ends of the fixed columns are fixedly connected with two crusher brackets, and the upper ends of the two crusher brackets are fixedly connected with hammer crushers, the waste soil raw materials are crushed by the hammer crusher, the hammer crusher is fed in batches, and the waste soil is continuously processed into composite filler, so as to improve the preparation efficiency, ensure the timeliness and stability of filler supply, and help to speed up the construction progress of road engineering.

Description

Technical Field

[0001] The utility model relates to the technical field of waste soil treatment, in particular to a device for preparing composite filler for waste soil solidified roadbed. Background Art

[0002] Solidifying waste soil into composite roadbed filler is a technology that processes and solidifies waste soil to make it a composite filler that can be used in roadbed construction. This technology can effectively solve the problem of waste soil accumulation and realize the recycling of resources. The solidified roadbed composite filler has excellent mechanical properties and stability, and can meet the needs of highway and urban road construction. Before construction, the waste soil needs to be crushed, screened, mixed, and recycled. Therefore, a preparation device for waste soil solidified roadbed composite filler is needed for on-site construction on construction sites. Utility Model Content

[0003] Based on the above shortcomings, the utility model provides a device for preparing composite filler for waste soil solidified roadbed, which improves preparation efficiency, ensures the timeliness and stability of filler supply, and helps to speed up the construction progress of road projects.

[0004] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0005] A preparation device for composite filling material of waste soil solidified roadbed, comprising four fixed columns, a hammer crusher, a material receiving and stirring mechanism and a fine material recovery receiving box, wherein the upper ends of the fixed columns are fixedly connected to two crusher brackets, and the upper ends of the two crusher brackets are fixedly connected to hammer crushers, a receiving hopper is fixedly connected to the center between the two crusher brackets, and the discharge port of the hammer crusher is arranged toward the center of the receiving hopper, a stirring base is fixedly connected between the bottoms of the four fixed columns, a central column is fixedly connected to the center of the upper end of the stirring base, and a weighing rod is plugged and fixed to the upper end of the central column, and a conical screen is fixedly connected to the upper end of the weighing rod. A weighing sensor is provided at the bottom of the weighing rod, an intercepting enclosure is sleeved and fixed on the outer wall of the central column, and the upper end of the intercepting enclosure is sleeved and fixed to the outer side of the lower edge of the conical screen, an electric lifting rod of the enclosure is fixedly connected to the upper end of the mixing base, and the driving inner rod of the electric lifting rod of the enclosure is fixedly connected upward with the bottom of the intercepting enclosure, a fine material recovery receiving box is fixedly connected to the center of the upper end of the mixing base, and a material receiving and stirring mechanism is provided on the outer side of the fine material recovery receiving box around the upper end of the mixing base, and a feeding enclosure is fixedly connected between the middle parts of the four fixed columns, a unloading mechanism is provided on the inner side of the feeding enclosure, and a feeding port is provided at the center of the outer wall of the feeding enclosure.

[0006] Furthermore, the material receiving and mixing mechanism comprises a material receiving base, the material receiving base comprises a circular bottom plate and a central cylinder, and a soil material mixing enclosure is sleeved on the outer side of the material receiving base.

[0007] Furthermore, the unloading mechanism includes unloading electric guide rails which are mirror-symmetrically arranged at both ends of the inner wall of the loading enclosure, the sliders of the unloading electric guide rails are arranged inwardly, and the upper end of the outer wall of the soil mixing enclosure is fixedly connected to the sliders of the unloading electric guide rails.

[0008] Furthermore, a plurality of turning plows are fixedly installed on the inner wall of the soil mixing enclosure through an L-shaped bracket array. The turning plow is a plowshare-shaped structure with the tip facing counterclockwise, and the bottom of the turning plow is against the upper end of the bottom plate of the material receiving base, a circle of annular slide is fixedly connected to the upper end of the outer ring of the mixing base, and a bottom rotating sleeve is fixedly connected to the middle part of the bottom plate of the material receiving base corresponding to the annular slide, and the bottom rotating sleeve is rotatably installed on the upper end of the annular slide, a plurality of driving motors are fixed to the inner array of the annular slide at the upper end of the feeding enclosure corresponding to the output shafts of the plurality of driving motors are connected to the inner ring convex teeth of the bottom rotating sleeve through a gear transmission mechanism.

[0009] Furthermore, an annular groove matching the annular slide is provided at the bottom of the bottom swivel sleeve, and the bottom annular groove of the bottom swivel sleeve is rotatably connected to the annular slide through a large-diameter bearing, and a plurality of supporting ball seats are evenly distributed on the upper end of the annular slide, and the balls of the supporting ball seats are against the bottom of the annular groove of the bottom swivel sleeve.

[0010] Furthermore, the intercepting enclosure includes a central sliding sleeve, an umbrella-shaped frame and a side retaining ring. The central sliding sleeve is slidably connected to the central column, and the outer wall of the central sliding sleeve is fixedly connected to the bottom of the side retaining ring through the umbrella-shaped frame, and the inner wall of the side retaining ring is against the outer circle of the conical screen.

[0011] Furthermore, a buffer spring is fixedly connected to the bottom of the weighing rod, and the weighing sensor is fixedly connected to the bottom of the upper slot of the central column, and the bottom of the buffer spring abuts against the upper detection end of the weighing sensor.

[0012] The beneficial effects of the utility model are as follows:

[0013] 1. The utility model sets up a fixed column, and the fixed column sets up the hammer crusher through the crusher bracket, crushes the waste soil raw materials through the hammer crusher, and breaks up the collected waste soil. The crushed soil material falls down on the upper side of the conical screen through the receiving hopper, and the hammer crusher is fed in batches. Each time the material is fed, the electric lifting rod of the enclosure extends, driving the interception enclosure to rise on the outside of the conical screen, and the crushed soil material falling from the receiving hopper is dispersed toward the inner wall of the surrounding interception enclosure through the central tip of the conical screen. On the way of the crushed soil material falling along the conical screen, the soil material with too small particle size is screened under the conical screen. After the soil material of the same batch is crushed, the weighing sensor weighs the soil material flowing down the conical screen, and then the electric lifting rod of the enclosure contracts to drive The dynamic interception fence moves down to release the soil around the upper end of the conical screen, allowing the soil to fall into the material receiving and mixing mechanism. The interception fence then rises again, and the hammer mill carries out the next batch of loading. Then, the corresponding weight of curing agent is poured in through the feeding ports on all sides. When pouring the fixing agent, the material receiving and mixing mechanism continues to stir the crushed soil to ensure uniform mixing of the curing agent and the soil. After the next batch of soil added to the hammer mill is crushed, the unloading mechanism is driven to operate, and the staff assists in unloading the composite filler in the material receiving and mixing mechanism. The above operations are repeated to continuously process the waste soil into composite filler, which is convenient for use as a cured roadbed during road paving. This ensures the curing effect while saving processing costs and improves the quality of the finished roadbed composite filler.

[0014] 2. The utility model is provided with an electric unloading guide rail, and the electric unloading guide rail can drive the lifting of the soil mixing enclosure through the synchronous operation of the electric unloading guide rail. When the soil mixing enclosure is lowered, the materials can be mixed. After the mixing is completed, the soil mixing enclosure rises, which can facilitate the rapid discharge of the mixed composite filler in the receiving base. The composite filler remaining on the inner side of the receiving base can be quickly shoveled out by the staff using a shovel, which is convenient for the unloading of the composite filler.

[0015] 3. The utility model is provided with a bottom rotating sleeve and an annular slide. The bottom rotating sleeve can rotate on the upper end of the annular slide under the synchronous rotation drive of multiple driving motors, driving the material receiving base and the soil in the material receiving base to rotate. When the material receiving base drives the soil to rotate, it moves in the opposite direction of the turning and mixing plow, so that the turning and mixing plow can scoop up the soil in the material receiving base, turn it over, and continuously turn it over, so as to fully mix the soil and the curing agent. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 It is a side sectional view of the utility model;

[0018] Figure 3 This utility model Figure 2The enlarged view of point A in the middle;

[0019] Figure 4 It is a top sectional view of the utility model.

[0020] Figure numerals: 1. Fixed column; 2. Crusher bracket; 3. Hammer crusher; 4. Receiving hopper; 5. Mixing base; 6. Center column; 7. Weighing rod; 8. Conical screen; 9. Intercepting fence; 10. Electric lifting rod of fence; 11. Receiving base; 12. Bottom rotating sleeve; 13. Annular slide; 14. Driving motor; 15. Feeding fence; 16. Feeding port; 17. Unloading electric guide rail; 18. Soil mixing fence; 19. Turning plow; 20. Fine material recovery receiving box; 21. Buffer spring; 22. Weighing sensor. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the embodiments of the present utility model clearer, the technical solution in the embodiments of the present utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the present utility model.

[0022] See also Figure 1 - Figure 4 The utility model provides a preparation device for composite filling material of waste soil solidified roadbed, comprising four fixed columns 1, a hammer crusher 3, a material receiving and stirring mechanism and a fine material recovery receiving box 20, the upper end of the fixed column 1 is fixedly connected with two crusher brackets 2, and the upper ends of the two crusher brackets 2 are fixedly connected with the hammer crusher 3, a receiving hopper 4 is fixedly connected at the center between the two crusher brackets 2, and the discharge port of the hammer crusher 3 is arranged toward the center of the receiving hopper 4, a stirring base 5 is fixedly connected between the bottoms of the four fixed columns 1, a central column 6 is fixedly connected to the center of the upper end of the stirring base 5, and a weighing plug 7 is plugged and fixed to the upper end of the central column 6, and a conical screen 8 is fixedly connected to the upper end of the weighing plug 7, and A weighing sensor 22 is provided at the bottom of the weighing rod 7, an intercepting enclosure 9 is sleeved and fixed on the outer wall of the central column 6, and the upper end of the intercepting enclosure 9 is sleeved and fixed to the outer side of the lower edge of the conical screen 8, an electric lifting rod 10 is fixedly connected to the upper end of the mixing base 5, and the driving inner rod of the electric lifting rod 10 is fixedly connected to the bottom of the intercepting enclosure 9 upward, a fine material recovery receiving box 20 is fixedly connected to the center of the upper end of the mixing base 5, and a material receiving and stirring mechanism is provided around the outer side of the fine material recovery receiving box 20 at the upper end of the mixing base 5, and a feeding enclosure 15 is fixedly connected between the middle parts of the four fixed columns 1, a unloading mechanism is provided on the inner side of the feeding enclosure 15, and a feeding port 16 is provided at the center of the outer wall of the feeding enclosure 15.

[0023] In this embodiment, preferably, the material receiving and mixing mechanism includes a material receiving base 11, the material receiving base 11 includes a circular bottom plate and a central cylinder, and a soil mixing enclosure 18 is sleeved on the outer side of the material receiving base 11; through the setting of the material receiving base 11, the material receiving base 11 and the soil mixing enclosure 18 can form an annular material receiving trough, which can receive soil materials and facilitate subsequent curing agent addition and mixing processing.

[0024] In this embodiment, preferably, the unloading mechanism includes unloading electric guide rails 17 which are mirror-symmetrically arranged at both ends of the inner wall of the loading enclosure 15, the slider of the unloading electric guide rail 17 is arranged inward, and the upper end of the outer wall of the soil mixing enclosure 18 is fixedly connected to the slider of the unloading electric guide rail 17; through the set unloading electric guide rail 17, the unloading electric guide rail 17 can drive the lifting and lowering of the soil mixing enclosure 18 through the synchronous operation of the unloading electric guide rail 17, and the soil mixing enclosure 18 can receive and mix the materials when it is lowered. After the mixing is completed, the soil mixing enclosure 18 rises, which can facilitate the rapid discharge of the mixed composite filler in the receiving base 11, and the composite filler remaining on the inner side of the receiving base 11 is quickly shoveled out by the staff using a shovel, which is convenient for the unloading of the composite filler.

[0025] In this embodiment, preferably, the inner wall of the soil mixing enclosure 18 is fixedly installed with a plurality of turning plows 19 through an L-shaped bracket array. The turning plow 19 is a plowshare-shaped structure with the tip facing counterclockwise, and the bottom of the turning plow 19 is against the upper end of the bottom plate of the material receiving base 11. The upper end of the outer ring of the mixing base 5 is fixedly connected with a circle of annular slides 13, and the middle part of the bottom plate of the material receiving base 11 is fixedly connected with a bottom rotating sleeve 12 corresponding to the annular slide 13, and the bottom rotating sleeve 12 is rotatably installed on the upper end of the annular slide 13, and the upper end of the feeding enclosure 15 is fixed with a plurality of drive motors 1 in an array corresponding to the inner side of the annular slide 13. 4, and the output shafts of the plurality of driving motors 14 are all connected to the inner ring convex teeth of the bottom rotating sleeve 12 through the gear transmission mechanism; through the bottom rotating sleeve 12 and the annular slide seat 13, the bottom rotating sleeve 12 can be driven by the synchronous rotation of the plurality of driving motors 14, and rotate on the upper end of the annular slide seat 13, so as to drive the material receiving base 11 and the soil in the material receiving base 11 to rotate, and when the material receiving base 11 drives the soil to rotate, it moves in the opposite direction of the mixing plow 19, so that the mixing plow 19 can scoop up the soil in the material receiving base 11, turn it over, and continuously turn it over, so as to fully mix the soil and the curing agent.

[0026] In this embodiment, preferably, an annular groove matching the annular slide 13 is provided at the bottom of the bottom rotating sleeve 12, and the bottom annular groove of the bottom rotating sleeve 12 is rotatably connected to the annular slide 13 through a large-diameter bearing, and a plurality of supporting ball seats are evenly distributed on the upper end of the annular slide 13, and the balls of the supporting ball seats are against the bottom of the annular groove of the bottom rotating sleeve 12; by providing the large-diameter bearings and supporting ball seats, the rotational friction of the bottom rotating sleeve 12 is greatly reduced, thereby ensuring that the bottom rotating sleeve 12 rotates smoothly on the annular slide 13.

[0027] In this embodiment, preferably, the intercepting enclosure 9 includes a central sliding sleeve, an umbrella-shaped frame and side retaining rings. The central sliding sleeve is slidably sleeved on the central column 6, and the outer wall of the central sliding sleeve is fixedly connected to the bottom of the side retaining ring through the umbrella-shaped frame, and the inner wall of the side retaining ring is against the outer circle of the conical screen 8; through the set central sliding sleeve, it is convenient for the intercepting enclosure 9 to stably move up and down under the drive of the enclosure electric lifting rod 10, and through the set bulk frame, it does not affect the fine soil screened off the conical screen 8 to fall into the fine material recovery receiving box 20, and at the same time drives the side retaining rings to move up and down, and through the set side retaining rings, the side retaining rings can block the soil around the conical screen 8 when they are raised, and when they fall, they make way for the soil at the upper end of the conical screen 8 to fall, so that the soil falls under its own gravity and falls onto the receiving base 11.

[0028] In this embodiment, preferably, a buffer spring 21 is fixedly connected to the bottom of the weighing rod 7, and the weighing sensor 22 is fixedly connected to the bottom of the upper end slot of the central column 6, and the bottom of the buffer spring 21 is against the upper detection end of the weighing sensor 22; through the provided buffer spring 21, the buffer spring 21 can vibrate slightly up and down when the upper end of the conical screen 8 is impacted by soil, which can reduce the direct impact of the weighing rod 7 on the weighing sensor 22, thereby increasing the service life of the weighing sensor 22 and driving the conical screen 8 to shake, thereby improving the screening effect of the conical screen 8.

[0029] The working principle and use process of the utility model are as follows: when the device is used, the fixed column 1 is set up, and the fixed column 1 sets up the hammer crusher 3 through the crusher bracket 2, and the waste soil raw materials are crushed by the hammer crusher 3, and the collected waste soil is crushed and scattered. The crushed soil material is guided to the upper side of the conical screen 8 through the receiving hopper 4, and the hammer crusher 3 is fed in batches. Each time the material is fed, the electric lifting rod 10 of the enclosure is extended to drive the interception enclosure 9 to rise on the outside of the conical screen 8, and the crushed soil material poured from the receiving hopper 4 is dispersed through the central tip of the conical screen 8 toward the inner wall of the surrounding interception enclosure 9 to be gathered. On the way of the crushed soil material falling along the conical screen 8, the soil material with too small particle size is screened by the conical screen 8. After the soil material of the same batch is crushed, the weighing sensor 22 weighs the soil material flowing down from the conical screen 8, and then the electric lifting rod 10 of the enclosure is contracted to drive the interception enclosure 9 to move downward. The soil around the upper end of the sieve 8 is released, allowing the soil to fall into the material receiving and mixing mechanism, and then the intercepting fence 9 is raised again, and the hammer mill 3 carries out the next batch of feeding. The staff calculates the amount of curing agent that needs to be added based on the weighing data of the weighing sensor 22 this time, and then disperses and pours the corresponding weight of curing agent through the feeding ports 16 around it. When pouring the fixing agent, the material receiving and mixing mechanism continues to stir the crushed soil to ensure uniform mixing of the curing agent and the soil. After the next batch of soil added to the hammer mill 3 is crushed, the unloading mechanism is driven to operate, and the staff assists in unloading the composite filler in the material receiving and mixing mechanism. The above operation is repeated to continuously process the waste soil into composite filler, which is convenient for use as a solidified roadbed when paving, improves preparation efficiency, ensures the timeliness and stability of filler supply, helps to speed up the construction progress of road projects, and improves the quality of finished roadbed.

[0030] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A device for preparing composite filler for waste soil solidified roadbed, comprising four fixed columns (1), a hammer mill (3), a material receiving and stirring mechanism and a fine material recovery receiving box (20), characterized in that: Two crusher brackets (2) are fixedly connected to the upper ends of the fixed columns (1), and hammer crushers (3) are fixedly connected to the upper ends of the two crusher brackets (2). A receiving hopper (4) is fixedly connected at the center between the two crusher brackets (2), and the discharge port of the hammer crusher (3) is arranged toward the center of the receiving hopper (4). A stirring base (5) is fixedly connected between the bottoms of the four fixed columns (1). A central column (6) is fixedly connected to the center of the upper end of the stirring base (5), and a weighing rod (7) is inserted and fixed to the upper end of the central column (6). A conical screen (8) is fixedly connected to the upper end of the weighing rod (7), and a weighing sensor (22) is arranged at the bottom of the weighing rod (7). The outer wall of the mixing base (5) is sleeved and fixed with an intercepting enclosure (9), and the upper end of the intercepting enclosure (9) is sleeved and fixed to the outer side of the lower edge of the conical screen (8), the upper end of the mixing base (5) is fixedly connected with an enclosure electric lifting rod (10), and the driving inner rod of the enclosure electric lifting rod (10) is upwardly fixedly connected to the bottom of the intercepting enclosure (9), the upper end center of the mixing base (5) is fixedly connected with a fine material recovery receiving box (20), and the upper end of the mixing base (5) is provided with a material receiving and stirring mechanism around the outer side of the fine material recovery receiving box (20), and a feeding enclosure (15) is fixedly connected between the middle parts of the four fixed columns (1), the inner side of the feeding enclosure (15) is provided with a discharging mechanism, and a feeding port (16) is provided at the center of the outer wall of the feeding enclosure (15).

2. The device for preparing composite filler for waste soil solidified roadbed according to claim 1, characterized in that: The material receiving and mixing mechanism comprises a material receiving base (11), the material receiving base (11) comprises a circular bottom plate and a central cylinder, and a soil material mixing enclosure (18) is sleeved on the outer side of the material receiving base (11).

3. The device for preparing composite filler for waste soil solidified roadbed according to claim 2, characterized in that: The unloading mechanism comprises unloading electric guide rails (17) which are arranged mirror-symmetrically at both ends of the inner wall of the loading enclosure (15), the slider of the unloading electric guide rail (17) is arranged inwardly, and the upper end of the outer wall of the soil mixing enclosure (18) is fixedly connected to the slider of the unloading electric guide rail (17).

4. The device for preparing composite filler for waste soil solidified roadbed according to claim 2, characterized in that: The inner wall of the soil mixing enclosure (18) is fixedly mounted with a plurality of stirring plows (19) through an L-shaped bracket array. The stirring plow (19) is a plowshare-shaped structure with its tip facing counterclockwise, and the bottom of the stirring plow (19) abuts against the upper end of the bottom plate of the material receiving base (11). The upper end of the outer ring of the mixing base (5) is fixedly connected with a circle of annular slide seats (13), and the middle part of the bottom plate of the material receiving base (11) is fixedly connected with a bottom rotating sleeve (12) corresponding to the annular slide seat (13), and the bottom rotating sleeve (12) is rotatably mounted on the upper end of the annular slide seat (13). The upper end of the feeding enclosure (15) is fixedly mounted with a plurality of driving motors (14) in an array inside the annular slide seat (13), and the output shafts of the plurality of driving motors (14) are all connected to the inner ring convex teeth of the bottom rotating sleeve (12) through a gear transmission mechanism.

5. The device for preparing composite filler for waste soil solidified roadbed according to claim 4, characterized in that: The bottom of the bottom rotating sleeve (12) is provided with an annular groove matching the annular slide seat (13), and the bottom annular groove of the bottom rotating sleeve (12) is rotatably connected to the annular slide seat (13) via a large-diameter bearing, and a plurality of supporting ball seats are evenly distributed on the upper end of the annular slide seat (13), and the balls of the supporting ball seats are against the bottom of the annular groove of the bottom rotating sleeve (12).

6. The device for preparing composite filler for waste soil solidified roadbed according to claim 1, characterized in that: The intercepting enclosure (9) comprises a central sliding sleeve, an umbrella-shaped frame and a side retaining ring. The central sliding sleeve is slidably sleeved on the central column (6), and the outer wall of the central sliding sleeve is fixedly connected to the bottom of the side retaining ring through the umbrella-shaped frame. The inner wall of the side retaining ring abuts against the outer ring of the conical screen (8).

7. The device for preparing composite filler for waste soil solidified roadbed according to claim 1, characterized in that: The bottom of the weighing rod (7) is fixedly connected to a buffer spring (21), and the weighing sensor (22) is fixedly connected to the bottom of the upper slot of the central column (6), and the bottom of the buffer spring (21) abuts against the upper detection end of the weighing sensor (22).

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