Base layer laying device for road construction engineering

Abstract

The utility model discloses a road construction engineering base layer laying device, which comprises a support cover and a stirring bin, the support cover is arranged at the top of the stirring bin, a rotating shaft is arranged in the stirring bin, the upper end and the lower end of the rotating shaft are respectively fixedly connected with the upper end and the lower end of the inner wall of the stirring bin through bearings, and a motor is arranged in the support cover. The output end of the motor is fixedly connected with the driving end of the rotating shaft, spiral blades are arranged on the rotating shaft, supporting strips are arranged between the spiral blades, supporting rods are fixed to the two sides of the upper end and the two sides of the lower end of the rotating shaft, and brush plates are connected between the supporting rods; the lower portion of one end of the material guide pipe is connected with a discharging disc. The stirrer is good in stirring effect, and the scraping plate is easy to disassemble, assemble and replace.

Description

Technical Field

[0001] The utility model relates to the technical field of road base construction, in particular to a base paving device for a road construction project. Background Art

[0002] The first thing to do in road construction is the construction of the road base. The common road structure layer is composed of a crushed stone base and a cement stabilized layer. The crushed stone base is laid on the roadbed, and the cement stabilized base is laid on the gravel cushion layer. After rolling and forming, it is used as the base layer, and the asphalt surface layer can be laid on it. Therefore, the base laying device of the road construction project plays an important role.

[0003] Conventional base paving devices for road construction projects have some drawbacks. First, when cement is mixed and stored, cement is easily adhered to the inner wall of the device, resulting in insufficient mixing and incomplete material feeding, leading to poor mixing effect. Secondly, the scraper used to level the cement after the cement is discharged is easily damaged and requires frequent maintenance. It is not easy to disassemble and replace the scraper, which consumes labor. Utility Model Content

[0004] The purpose of the utility model is to provide a base paving device for road construction engineering to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a base paving device for road construction projects, comprising a support cover and a mixing chamber, the support cover is arranged on the top of the mixing chamber, a rotating shaft is arranged inside the mixing chamber, and the upper and lower ends of the rotating shaft are respectively fixedly connected to the upper and lower ends of the inner wall of the mixing chamber through bearings, a motor is arranged inside the support cover, and the output end of the motor is fixedly connected to the driving end of the rotating shaft, spiral blades are arranged on the rotating shaft, and support bars are arranged between the spiral blades, support rods are fixed on both sides of the upper and lower ends of the rotating shaft, and brush plates are connected between the support rods.

[0006] Preferably, a feed hopper is provided at the upper end of the side of the mixing bin, and a material guide pipe is connected to one end of the lower part of the mixing bin.

[0007] Preferably, a lower portion of one end of the material guide tube is connected to a material discharge tray, and a solenoid valve is provided on the material guide tube near the material discharge tray.

[0008] Preferably, a base is provided at the lower portion of the mixing chamber, and a push handle is fixed to the upper portion of one end of the base.

[0009] Preferably, a protective cover is provided on the upper part of the other end of the base, and a vertical cylinder is fixed to the upper end of the interior of the protective cover.

[0010] Preferably, a mounting seat is fixed to the lower end of the vertical cylinder, and a scraper is provided at the lower part of the mounting seat, an insert block is provided at the upper end of the scraper, and the insert block is clamped with the inner part of the lower end of the mounting seat.

[0011] Preferably, both ends of the upper portion of the scraper are provided with protrusions, and the protrusions are threadedly engaged with fastening bolts, and one end of the fastening bolts is threadedly engaged with the mounting seat.

[0012] Compared with the prior art, the utility model has the following beneficial effects: good stirring effect, easy disassembly and replacement of the scraper;

[0013] (1) Driven by the motor, the spiral blades rotate through the rotating shaft, thereby stirring the cement and directing it downward. The support bars also turn the cement over to expand the stirring range. The brush plate then rotates in the mixing chamber to brush the inner wall of the mixing chamber to prevent the cement from adhering to the inner wall of the mixing chamber, achieving a good stirring effect.

[0014] (2) The scraper can be pushed into the lower end of the mounting seat. The interior of the lower end of the mounting seat is inserted into the insert block to limit the scraper. Then, the fastening bolt is turned to screw it into the protrusion and then screwed into the mounting seat. In this way, the position of the scraper is fixed, and the scraper is easy to disassemble and replace. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0017] Figure 3 For the utility model Figure 1 The enlarged structural diagram at A in the middle;

[0018] Figure 4 This is a schematic diagram of the brush plate and rotating shaft structure of the utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the feed tray of the utility model when viewed from above;

[0020] In the figure: 1. push handle; 2. feed hopper; 3. motor; 4. support cover; 5. support bar; 6. support rod; 7. mixing chamber; 8. protective cover; 9. vertical cylinder; 10. discharge tray; 11. material guide pipe; 12. solenoid valve; 13. rotating shaft; 14. brush plate; 15. spiral blade; 16. mounting seat; 17. bump; 18. fastening bolt; 19. scraper; 20. plug block; 21. base. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5 , the utility model provides an embodiment: a base paving device for a road construction project, comprising a support cover 4 and a mixing chamber 7, the support cover 4 is arranged on the top of the mixing chamber 7, a rotating shaft 13 is arranged inside the mixing chamber 7, and the upper end and the lower end of the rotating shaft 13 are respectively fixedly connected to the upper end and the lower end of the inner wall of the mixing chamber 7 through bearings, a motor 3 is arranged inside the support cover 4, and the output end of the motor 3 is fixedly connected to the driving end of the rotating shaft 13, a spiral blade 15 is arranged on the rotating shaft 13, and a support bar 5 is arranged between the spiral blades 15, support rods 6 are fixed on both sides of the upper end and the lower end of the rotating shaft 13, and a brush plate 14 is connected between the support rods 6;

[0023] When in use, the motor 3 drives the spiral blade 15 to rotate through the rotating shaft 13, so as to stir the cement and guide it downward, and the support bar 5 turns the cement to expand the stirring range, and the brush plate 14 rotates in the mixing chamber 7 to brush the inner wall of the mixing chamber 7 to prevent the cement from adhering to the inner wall of the mixing chamber 7;

[0024] A feed hopper 2 is provided at the upper end of the side of the mixing chamber 7, and a material guide pipe 11 is connected to one end of the lower part of the mixing chamber 7;

[0025] When in use, the cement raw material can be poured into the feed hopper 2, and the cement after mixing can be discharged from the guide pipe 11;

[0026] The lower part of one end of the material guide pipe 11 is connected to the material discharge tray 10, and a solenoid valve 12 is provided on the material guide pipe 11 near the material discharge tray 10;

[0027] When in use, the cement in the guide pipe 11 is discharged from the discharge tray 10. The discharge tray 1 is in the shape of a long strip, and has a plurality of through holes equidistantly distributed at the bottom, which is conducive to uniform discharge of the material. The discharge of the cement from the discharge tray 1 can be controlled by controlling the opening and closing of the solenoid valve 12.

[0028] A protective cover 8 is provided at the upper part of the other end of the base 21, and a vertical cylinder 9 is fixed to the upper end of the inner part of the protective cover 8;

[0029] When in use, the vertical cylinder 9 is extended and retracted, driving the mounting seat 16 to rise and fall, and the height of the mounting seat 16 can be adjusted according to the height of the cement to be laid;

[0030] A mounting seat 16 is fixed to the lower end of the vertical cylinder 9, and a scraper 19 is arranged at the lower part of the mounting seat 16. A base 21 is arranged at the lower part of the mixing chamber 7, and a push handle 1 is fixed to the upper part of one end of the base 21.

[0031] When in use, by pulling the push handle 1, after the cement is discharged, the scraper 19 scrapes the cement, which is conducive to the leveling of the cement;

[0032] An insert block 20 is disposed at the upper end of the scraper 19 , and the insert block 20 is engaged with the inner portion of the lower end of the mounting seat 16 .

[0033] When in use, the scraper 19 can be pushed into the lower end of the mounting seat 16, and the inner part of the lower end of the mounting seat 16 passes through the insert block 20 to limit the scraper 19;

[0034] Both ends of the upper part of the scraper 19 are provided with protrusions 17, and the protrusions 17 are threadedly matched with fastening bolts 18, and one end of the fastening bolts 18 is threadedly matched with the mounting seat 16;

[0035] When in use, the fastening bolt 18 is screwed into the protrusion 17 and then screwed into the mounting seat 16, thereby fixing the position of the scraper 19;

[0036] When the embodiment of the present application is in use: first, the cement raw material can be poured into the feed hopper 2, and under the drive of the motor 3, the spiral blade 15 is driven to rotate through the rotating shaft 13, so as to stir the cement and guide it downward, and the support bar 5 turns the cement together to expand the stirring range, and the brush plate 14 rotates in the stirring bin 7 to brush the inner wall of the stirring bin 7 to prevent the cement from adhering to the inner wall of the stirring bin 7. Subsequently, the stirred cement can be discharged from the guide pipe 11, and the cement in the guide pipe 11 is discharged from the discharge tray 10. In addition, the discharge tray 1 is in the shape of a long strip and has a plurality of through holes equidistantly distributed at the bottom, which is conducive to uniform discharge and can be opened and closed by controlling the solenoid valve 12. , control the cement discharge situation of the discharge tray 1, and then, by pulling the push handle 1, after the cement is discharged, the scraper 19 scrapes the cement, which is beneficial to the leveling of the cement, and the vertical cylinder 9 is extended and retracted to drive the mounting seat 16 to rise and fall, and the height of the mounting seat 16 can be adjusted according to the height of the cement to be paved. In addition, the scraper 19 can be pushed into the lower end of the mounting seat 16, and the interior of the lower end of the mounting seat 16 is limited by the insert block 20. Then, the fastening bolt 18 is turned to screw it into the protrusion 17, and then screwed into the mounting seat 16, thereby fixing the position of the scraper 19. In summary, the device has a good stirring effect and is easy to disassemble and replace the scraper.

Claims

1. A base paving device for road construction engineering, characterized in that: The invention comprises a support cover (4) and a stirring chamber (7), wherein the support cover (4) is arranged on the top of the stirring chamber (7), a rotating shaft (13) is arranged inside the stirring chamber (7), and the upper end and the lower end of the rotating shaft (13) are respectively fixedly connected to the upper end and the lower end of the inner wall of the stirring chamber (7) through bearings, a motor (3) is arranged inside the support cover (4), and the output end of the motor (3) is fixedly connected to the driving end of the rotating shaft (13), a spiral blade (15) is arranged on the rotating shaft (13), and support bars (5) are arranged between the spiral blades (15), and support rods (6) are fixed on both sides of the upper end and the lower end of the rotating shaft (13), and brush plates (14) are connected between the support rods (6).

2. A base paving device for road construction engineering according to claim 1, characterized in that: A feed hopper (2) is provided at the upper end of the side of the stirring bin (7), and a material guide pipe (11) is connected to one end of the lower part of the stirring bin (7).

3. A base paving device for road construction engineering according to claim 2, characterized in that: The lower part of one end of the material guide pipe (11) is connected to a material discharge tray (10), and a solenoid valve (12) is arranged on the material guide pipe (11) near the material discharge tray (10).

4. The base paving device for road construction engineering according to claim 2, characterized in that: A base (21) is provided at the lower part of the mixing chamber (7), and a push handle (1) is fixed at the upper part of one end of the base (21).

5. A base paving device for road construction engineering according to claim 4, characterized in that: A protective cover (8) is provided at the upper part of the other end of the base (21), and a vertical cylinder (9) is fixed at the upper end inside the protective cover (8).

6. A base paving device for road construction engineering according to claim 5, characterized in that: A mounting seat (16) is fixed to the lower end of the vertical cylinder (9), and a scraper (19) is arranged at the lower part of the mounting seat (16). An insert block (20) is arranged at the upper end of the scraper (19), and the insert block (20) is clamped with the inner part of the lower end of the mounting seat (16).

7. A base paving device for road construction engineering according to claim 6, characterized in that: Both ends of the upper part of the scraper (19) are provided with protrusions (17), and a fastening bolt (18) is threadedly matched in the protrusion (17), and one end of the fastening bolt (18) is threadedly matched with the mounting seat (16).

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