Concrete mixer feeding device convenient to clean for civil engineering

Abstract

The invention discloses a civil engineering concrete mixer feeding device convenient to clean, and particularly relates to the technical field related to concrete.The civil engineering concrete mixer feeding device comprises a base, a steel structure frame is fixedly installed in the middle of the upper end of the base, a pouring funnel is fixedly installed on the upper portion of the steel structure frame, and a conveying mechanism is arranged on the lower portion of the steel structure frame; a screening mechanism is arranged between the conveying mechanism and the pouring funnel, and a cleaning mechanism is further arranged on the upper side of the conveying mechanism on the front portion of the steel structure frame. According to the convenient-to-clean concrete mixer feeding device for civil engineering, concrete raw materials fall on the surface of a screening grid, stone blocks which do not conform to specifications can be screened out, and due to the synchronous rotation of a pushing roller and a spiral stirring roller, caked sand or concrete can be scattered while the caked sand or concrete is scattered; and the screened stones are pushed backwards into the receiving box and are treated in a centralized manner, so that the quality of concrete produced by the concrete mixer is improved, and the practicability of the device is also improved.

Description

Technical Field

[0001] This invention relates to the field of concrete-related technologies, and in particular to a concrete mixer feeding device for civil engineering that is easy to clean. Background Technology

[0002] Concrete, or simply concrete, is a general term for engineering composite materials in which aggregates are bound together by cementing materials. The term concrete usually refers to cement concrete, also known as ordinary concrete, which is made by mixing cement as cementing material, sand and stone as aggregates, water and admixtures in a certain proportion. It is widely used in civil engineering.

[0003] Chinese patent document CN105710971A discloses a feeding device for a concrete mixer, comprising: a dustproof device, one edge of which is fixed to the feeding hopper by a fixing strip A, and the other edge of which is fixed by a fixing strip B, with a steel wire B extending towards the feed inlet connected to the fixing strip B, the other end of which is connected to a servo motor B; a tipping device, one end of which is connected to the bottom of the feeding hopper, and the steel wire C extends from the connection point at the bottom of the feeding hopper towards the direction of the conveyor belt until it is connected to the servo motor C; and two sensors, namely sensor B for detecting the status of the dustproof device and sensor C for detecting the status of the tipping device. This invention can prevent dust from being generated during the feeding process. However, in actual use, the stones used as raw materials for concrete are unevenly fed, and may contain larger stones that do not meet the specifications of the mixer, affecting the normal operation of the mixer. Furthermore, manual cleaning of the mixer's feeding device is required after the work is completed, resulting in low efficiency.

[0004] Therefore, in view of the above problems, there is a need to provide a concrete mixer feeding device that can screen out stones that do not meet the specifications and is easy to clean. Summary of the Invention

[0005] The main objective of this invention is to provide a concrete mixer feeding device for civil engineering that is easy to clean, which can effectively solve the problems of existing concrete mixer feeding devices being unable to screen out stones that do not meet specifications and the low efficiency of manual cleaning of the feeding device.

[0006] To achieve the above objectives, the technical solution adopted by the present invention is as follows:

[0007] A concrete mixer feeding device for civil engineering that is easy to clean includes a base, a steel structure frame fixedly installed at the upper middle part of the base, a pouring funnel fixedly installed at the upper part of the steel structure frame, a transmission mechanism provided at the lower part of the steel structure frame, a screening mechanism provided between the transmission mechanism and the pouring funnel, and a cleaning mechanism provided on the upper side of the front transmission mechanism of the steel structure frame.

[0008] The cleaning mechanism includes a base plate, a steering motor is provided at the upper center of the base plate, a drive motor is provided on the upper side of the steering motor, a control gear is provided at the output end of the drive motor, a C-shaped frame is provided on one side wall of the control gear, a three-leaf wheel is provided between the control gear and the end of the C-shaped frame away from the control gear, the three-leaf wheel near the control gear is fixedly connected to the output end of the drive motor, and a rotating rod is provided on each of the three branches of the two three-leaf wheels, and a cleaner is provided between the multiple rotating rods located on the front and rear sides.

[0009] Preferably, the output end of the steering motor is provided with a first drive roller, and the upper end of the lower bottom plate of the C-shaped frame is provided with a first driven roller corresponding to the position of the first drive roller. A first drive belt is wound together between the first driven roller and the first drive roller. A cylindrical worm is provided on the right side of the first driven roller, and a first mounting block is provided on both the left and right sides of the cylindrical worm. The cylindrical worm meshes with a control gear.

[0010] Preferably, the middle part of the plurality of rotating rods is inclined, the positions of the plurality of rotating rods on the front and rear sides are corresponding, and the positions of the three rotating rods on the same side are distributed in an equilateral triangle shape.

[0011] Preferably, the cleaner has a set of brushes on its side.

[0012] Preferably, the transmission mechanism includes an inclined steel frame, which is fixedly installed at the upper middle part of the frame. The front part of the inclined steel frame is higher than the rear part. A transmission motor is provided on the left side of the rear part of the inclined steel frame. An active transmission roller corresponding to the position of the transmission motor is provided on the upper rear side of the inclined steel frame. The output end of the transmission motor is fixedly connected to the active transmission roller. A discharge box is provided on the upper front side of the inclined steel frame. A driven transmission roller is provided inside the discharge box. A transmission belt is wound together between the active transmission roller and the driven transmission roller. Multiple guide support frames are provided on the inner side of the transmission belt between the active transmission roller and the driven transmission roller. The multiple guide support frames are linearly arrayed along the inclined part of the inclined steel frame.

[0013] Preferably, the guide support frame includes a mounting rod, with the left and right ends of the mounting rod fixedly installed on the left and right sides of the inclined portion of the inclined steel frame, respectively. A second mounting block is provided at the middle of the upper end of the mounting rod, and third mounting blocks are provided on both sides of the upper end of the mounting rod. The height of the two third mounting blocks is greater than the height of the second mounting block, and an auxiliary roller is provided between the two third mounting blocks and the second mounting block.

[0014] Preferably, the surface of the transmission belt is provided with a plurality of equally spaced baffles.

[0015] Preferably, a water pump is provided on the front side of the upper end of the base, and a water outlet pipe is provided on the upper part of the water pump. The end of the water outlet pipe away from the water pump is connected to the upper part of the discharge box, and a water inlet pipe is also provided on one side of the water pump.

[0016] Preferably, the screening mechanism includes a screening frame, with the left and right ends of the lower side of the screening frame fixedly installed in the middle of the steel structure frame. A screening mesh is provided on the lower side of the middle of the screening frame, and a pushing roller is provided on the middle of the upper side of the screening frame. A spiral stirring roller is provided at the front of the upper side of the screening frame. A mounting plate is fixedly connected to the rear of the upper end of the screening frame, and a bidirectional motor is fixedly installed on the upper end of the mounting plate. A guide plate is provided on the rear side of the screening frame, and a receiving box is provided at the rear of the upper end corresponding to the guide plate. A discharge funnel is also provided between the screening frame and the conveyor belt.

[0017] Preferably, each of the left and right ends of the spiral stirring roller is provided with a second driven roller, each of the left and right ends of the pushing roller is provided with a third driven roller, each of the left and right output ends of the bidirectional motor is provided with a second driving roller, a third driving belt is wound together between the second driving roller and the third driven roller, and a second driving belt is wound together between the third driven roller and the second driven roller.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. The feeding device of this concrete mixer, when working, allows the raw materials of concrete to fall on the surface of the sieve grid, which will screen out stones that do not meet the specifications. The synchronous rotation of the push roller and the spiral mixing roller will break up the lumps of sand or concrete and push the screened stones into the receiving box for centralized processing, thereby improving the quality of the concrete produced by the concrete mixer and also improving the practicality of this device.

[0020] 2. During operation, the feeding device of this concrete mixer conveys the concrete raw materials on its surface upwards via a transmission belt. During this process, the guide support frame provides a certain support force for the transmission belt, preventing the transmission belt from breaking due to continuous tension during long-term operation. This extends the service life of the transmission belt, reduces the frequency of damage to the device, avoids the impact of replacing the transmission belt on the work process, and improves the working efficiency of the concrete mixer.

[0021] 3. When the feeding device of this concrete mixer is in cleaning mode, the start-up drive motor will rotate the three-impeller near the control gear. The three-impeller, as the power component, drives the cleaner to rotate through the three rotating rods on the rear. The automatically reciprocating steering motor will cause the cylindrical worm gear to drive the C-shaped frame to move the cleaner, thoroughly cleaning the transmission belt passing under the cleaning mechanism from multiple angles. This improves the cleaning effect of the device and achieves the purpose of automatic cleaning, saving labor costs. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall rear structure of the present invention;

[0023] Figure 2 This is a schematic diagram of the overall front structure of the present invention.

[0024] Figure 3 This is a schematic diagram of the rear structure of the sieving mechanism of the present invention;

[0025] Figure 4 This is a schematic diagram of the front structure of the sieving mechanism of the present invention;

[0026] Figure 5 This is a schematic diagram of the transmission mechanism of the present invention;

[0027] Figure 6 This is a schematic diagram of the guide support frame of the present invention;

[0028] Figure 7 This is a schematic diagram of the front structure of the cleaning mechanism of the present invention;

[0029] Figure 8 This is a schematic diagram of the rear structure of the cleaning mechanism of the present invention;

[0030] Figure 9 For the present invention Figure 8 Enlarged structural diagram at point A;

[0031] Figure 10 This is a schematic diagram of the side structure of the cleaning mechanism of the present invention.

[0032] In the diagram: 2. Tilting funnel; 3. Conveying mechanism; 4. Screening mechanism; 5. Cleaning mechanism; 11. Base; 12. Water pump; 121. Outlet pipe; 122. Inlet pipe; 13. Receiving box; 14. Steel structure frame; 31. Inclined steel frame; 32. Conveying motor; 33. Active conveying roller; 34. Driven conveying roller; 35. Conveying belt; 36. Discharge box; 37. Guide support frame; 371. Mounting rod; 372. Auxiliary roller; 373. Third mounting block; 374. Second mounting block; 38. Baffle; 41. Screening frame; 42. Discharge funnel; 43. Double... 431. Drive motor; 44. Guide plate; 45. Spiral mixing roller; 451. Second driven roller; 46. Push roller; 461. Third driven roller; 47. Second drive belt; 48. Third drive belt; 411. Screening mesh; 51. Base plate; 52. C-shaped frame; 53. Drive motor; 54. Steering motor; 541. First drive roller; 542. First driven roller; 543. First drive belt; 544. Cylindrical worm gear; 55. Three-leaf impeller; 56. Rotating rod; 57. Cleaner; 571. Brush; 58. Control gear. Detailed Implementation

[0033] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0034] Example 1

[0035] like Figure 1-2 As shown, this embodiment discloses a concrete mixer feeding device for easy cleaning in civil engineering, including a base 11. A steel structure frame 14 is fixedly installed at the upper middle part of the base 11. A pouring funnel 2 is fixedly installed on the upper part of the steel structure frame 14. During operation, the operator needs to operate the equipment to feed the raw materials of concrete (such as cement, sand, stone, etc.) from the upper part of the pouring funnel 2. A conveying mechanism 3 is provided at the lower part of the steel structure frame 14. A screening mechanism 4 is provided between the conveying mechanism 3 and the pouring funnel 2. The screening mechanism 4 is used to screen out larger stones in the raw materials of concrete. A cleaning mechanism 5 is also provided on the upper side of the front conveying mechanism 3 of the steel structure frame 14. The cleaning mechanism 5 is used to automatically clean the device when it is not in operation.

[0036] To remove larger stones from the raw materials of concrete, such as Figure 3-4As shown, the screening mechanism 4 includes a screening frame 41. Concrete raw materials falling from the pouring funnel 2 will fall directly into the screening frame 41. The left and right ends of the lower side of the screening frame 41 are fixedly installed in the middle of the steel structure frame 14. A screening mesh 411 is provided on the lower side of the middle of the screening frame 41. The mesh diameter of the screening mesh 411 is smaller than that of stones that do not meet the specifications. A pushing roller 46 is provided in the middle of the upper side of the screening frame 41. When the pushing roller 46 rotates, it can push the screened stones backward so that they fall into the receiving box 13 along the screening mesh 411 and the guide plate 44. A spiral stirring roller 45 is provided at the front of the upper side of the screening frame 41. Cement and sand may clump together and fail to fall due to moisture, thus preventing them from passing through the screening mesh 411. The rotating spiral mixing roller 45 can disperse the lumps of cement and sand, allowing them to fall smoothly. A mounting plate is fixedly connected to the upper rear of the screening frame 41, and a bidirectional motor 43 is fixedly installed on the upper end of the mounting plate. The bidirectional motor 43 can drive the spiral mixing roller 45 and the pushing roller 46 to work. A guide plate 44 is provided on the rear side of the screening frame 41. The guide plate 44 provides guidance for the falling of the screened stones. A receiving box 13 is provided on the upper rear of the 1 corresponding to the position of the guide plate 44. The receiving box 13 is used to collect the screened stones for easy centralized processing by the staff. A feeding funnel 42 is also provided between the screening frame 41 and the conveyor belt 35. The feeding funnel 42 guides the passed concrete raw materials to the upper surface of the conveyor belt 35 for transmission, which is the feed for the concrete mixer.

[0037] Furthermore, such as Figure 3-4 As shown, a second driven roller 451 is provided at both ends of the spiral stirring roller 45. The second driven roller 451 is fixedly connected to the spiral stirring roller 45. A third driven roller 461 is provided at both ends of the push roller 46. The third driven roller 461 is fixedly connected to the push roller 46. A second drive roller 431 is provided at both output ends of the bidirectional motor 43. A third drive belt 48 is wound together between the second drive roller 431 and the third driven roller 461. A second drive belt 47 is wound together between the third driven roller 461 and the second driven roller 451. The second drive belt 47 and the third drive belt 48 are not in the same plane. When the bidirectional motor 43 works, it will drive the third driven roller 461 to rotate synchronously through the third drive belt 48, and the third driven roller 461 will drive the second driven roller 451 to rotate synchronously through the second drive belt 47.

[0038] In order to stably deliver concrete raw materials upward into the concrete mixer, such as Figure 5As shown, the conveying mechanism 3 includes an inclined steel frame 31, which is fixedly installed at the upper middle of 1. The front of the inclined steel frame 31 is higher than its rear, meaning the rear of the inclined steel frame 31 needs to be above the concrete mixer to pour the conveyed raw materials into the concrete mixer. A conveying motor 32 is located on the left rear side of the inclined steel frame 31, and an active conveying roller 33 corresponding to the position of the conveying motor 32 is located on the upper rear side of the inclined steel frame 31. The output end of the conveying motor 32 is fixedly connected to the active conveying roller 33. A discharge box 36 is located on the upper front side of the inclined steel frame 31. The discharge box 36 is fixedly connected to the inclined steel frame 31. The lower part of the discharge box 36 faces the concrete mixer, allowing the conveyed raw materials to fall into the concrete mixer. A driven conveying roller 34 is located inside the discharge box 36. The driven conveying roller 34 is rotatably connected to the discharge box 36. The active conveying roller 33 and the active conveying roller 34 are connected to the concrete mixer. A conveyor belt 35 is wound around the driven conveyor rollers 34. When the conveyor motor 32 is working, it will rotate the drive conveyor roller 33. The drive conveyor roller 33 will drive the conveyor belt 35 and the driven conveyor rollers 34 to rotate synchronously, so that the concrete raw material falling on the surface of the conveyor belt 35 is conveyed upward. Multiple guide support frames 37 are provided on the inner side of the conveyor belt 35 between the drive conveyor roller 33 and the driven conveyor roller 34. The multiple guide support frames 37 are linearly arrayed along the inclined part of the inclined steel frame 31. In order to prevent the upward conveyed concrete raw material from falling to both sides of the conveyor belt 35, a guide support frame 37 with a central depression is set to guide the conveyor belt 35. Because the upper surface of the conveyor belt 35 is pressed with heavy objects such as sand and gravel, the part of the conveyor belt 35 above the guide support frame 37 will be recessed downward along the contour of the guide support frame 37 to form an arc, preventing the upward conveyed concrete raw material from falling to both sides of the conveyor belt 35.

[0039] Specifically, such as Figure 6As shown, the guide support frame 37 includes a mounting rod 371. The left and right ends of the mounting rod 371 are fixedly installed on the left and right sides of the inclined portion of the inclined steel frame 31, respectively. A second mounting block 374 is provided at the middle of the upper end of the mounting rod 371, and third mounting blocks 373 are provided on both sides of the upper end of the mounting rod 371. The height of the two third mounting blocks 373 is greater than the height of the second mounting block 374, and an auxiliary roller 372 is provided between each of the two third mounting blocks 373 and the second mounting block 374. The auxiliary roller 372 is mounted between the second mounting block 374 and the third mounting block 373, so that the auxiliary roller can be easily replaced when the device is not in use. The roller 372, and the auxiliary roller 372 can also rotate between the second mounting block 374 and the third mounting block 373. The transmission belt 35 presses on the auxiliary roller 372 and can also rise along the rolling of the auxiliary roller 372. The guide support frame 37 provides a certain support force for the transmission belt 35 to prevent the transmission belt 35 from breaking due to continuous tension during long-term operation, thus extending the service life of the transmission belt 35. The surface of the transmission belt 35 is provided with multiple equidistant baffles 38, which can block the concrete raw materials on the upper surface of the transmission belt 35 and prevent the concrete raw materials on the upper surface of the transmission belt 35 from flowing back along the direction of the transmission belt 35.

[0040] Furthermore, such as Figure 1 As shown, a water pump 12 is provided on the front side of the upper end of the base 11. A water outlet pipe 121 is provided on the upper part of the water pump 12. The end of the water outlet pipe 121 away from the water pump 12 is connected to the upper part of the discharge box 36, and the water outlet pipe 121 is directly opposite the position of the driven transmission roller 34. A water inlet pipe 122 is also provided on one side of the water pump 12. The water inlet pipe 122 is connected to a water source. Under the control of the water pump 12, water can be drawn from the water inlet pipe 122 and poured into the discharge box 36 to add water to the concrete mixer. The baffle 38 can prevent water from flowing down the transmission belt 35 in the opposite direction.

[0041] Therefore, the specific implementation method of this embodiment is as follows: During operation, the worker puts the concrete raw materials into the upper part of the pouring funnel 2. The concrete raw materials fall onto the surface of the sieve grid 411 and screen out stones that are too large. At the same time, the bidirectional motor 43 and the transmission motor 32 are started. The bidirectional motor 43 drives the third driven roller 461 and the push roller 46 to rotate synchronously through the third drive belt 48. The third driven roller 461 drives the second driven roller 451 and the spiral mixing roller 45 to rotate synchronously through the second drive belt 47, which disperses the lumps of sand or concrete. At the same time, the screened stones are pushed backward so that they fall into the receiving box 13 for centralized processing along the sieve grid 411 and the guide plate 44. The transmission motor 32 rotates the active transmission roller 33, which in turn drives the transmission belt 35 and the driven transmission roller 34 to rotate synchronously, thus conveying the concrete raw materials falling on the surface of the transmission belt 35 upward. During this process, the portion of the transmission belt 35 on the upper side of the guide support frame 37 will be recessed downward along the contour of the guide support frame 37 to form an arc, preventing the upwardly conveyed concrete raw materials from falling out from both sides of the transmission belt 35. The transmission belt 35 presses against the auxiliary roller 372 and can rise along with the rolling of the auxiliary roller 372. The guide support frame 37 provides a certain support force for the transmission belt 35, preventing the transmission belt 35 from breaking due to continuous tension during long-term operation, thus extending the service life of the transmission belt 35.

[0042] Example 2

[0043] This embodiment further improves the cleaning mechanism 5 based on Embodiment 1, so that the device can clean the transmission belt 35 in a clean state when it is not in operation;

[0044] Specifically, such as Figure 7-10As shown, the cleaning mechanism 5 includes a base plate 51. A steering motor 54 is located at the upper center of the base plate 51. The steering motor 54 automatically rotates back and forth when working. A drive motor 53 is located on the upper side of the steering motor 54. A control gear 58 is located at the output end of the drive motor 53. The output end of the drive motor 53 passes through the middle of the control gear 58, and the drive motor 53 and the control gear 58 are rotatably connected. A C-shaped frame 52 is located on one side wall of the control gear 58. A three-leaf impeller 55 is located between the control gear 58 and the end of the C-shaped frame 52 away from the control gear 58. The three-leaf impeller 55 on the side closer to the control gear 58 is connected to the output end of the drive motor 53. The ends are fixedly connected, so when the drive motor 53 works, it will drive the three-impeller 55 near the control gear 58 to rotate. Each of the three branches of the two three-impellers 55 is provided with a rotating rod 56. The connection between the three rotating rods 56 and the corresponding three-impellers 55 is a rotatable connection. A cleaner 57 is provided between the multiple rotating rods 56 located on the front and rear sides. A set of brushes 571 is provided on the side of the cleaner 57. When the drive motor 53 drives the three-impeller 55 near the drive motor 53 to rotate continuously, the three-impeller 55 will drive the cleaner 57 to rotate continuously through the three rotating rods 56 connected to it, so that the brushes 571 continuously wash the upper surface of the transmission belt 35.

[0045] Furthermore, such as Figure 7-10 As shown, the output end of the steering motor 54 is provided with a first drive roller 541. A first driven roller 542 is provided at the upper end of the lower base plate 51 of the C-shaped frame 52, corresponding to the position of the first drive roller 541. A first drive belt 543 is wound around the first driven roller 542 and the first drive roller 541. A cylindrical worm gear 544 is provided on the right side of the first driven roller 542. A first mounting block is provided on both the left and right sides of the cylindrical worm gear 544. The connection between the cylindrical worm gear 544 and the first mounting blocks on both sides is a rotatable connection. The first driven roller 542 and the cylindrical worm gear 544... The shaft passes through the middle of the first mounting block. Therefore, when the steering motor 54 is working, it will drive the first drive roller 541 to rotate. The first drive roller 541 will drive the first driven roller 542 to rotate synchronously through the first drive belt 543, which will cause the cylindrical worm gear 544 to rotate. The cylindrical worm gear 544 meshes with the control gear 58. Through the principle of worm gear, the rotation of the cylindrical worm gear 544 will drive the control gear 58 to rotate, thereby rotating the C-shaped frame 52 and changing its angular position. Since the control gear 58 and the output end of the drive motor 53 are rotatably connected, their operation does not affect each other.

[0046] To ensure the normal operation of cleaning facility 5, such as Figure 10As shown, the middle of the multiple rotating rods 56 is inclined, so when the cleaner 57 rotates, the positions of the rotating rods 56 on the same side are staggered and unaffected. The positions of the multiple rotating rods 56 on the front and rear sides are corresponding, and the positions of the three rotating rods 56 on the same side are distributed in an equilateral triangle shape.

[0047] Therefore, the specific implementation of this embodiment is as follows: When the device is in cleaning mode, the transmission motor 32 needs to be reversed and the water pump 12 needs to be started. The water output from the outlet pipe 121 on the upper side of the transmission belt 35 will be pushed to the rear side under the action of the baffle 38. At this time, the drive motor 53 is started to rotate, which will drive the three-leaf wheel 55 near the control gear 58 to rotate continuously. The three-leaf wheel 55, as a power component, drives the cleaner 57 to rotate through the three rotating rods 56 on the rear side. The three rotating rods 56 on the front side are driven components, mainly to stabilize the rotation of the cleaner 57. The rotation position is achieved by adjusting the position of the cylindrical worm gear 544 through the steering motor 54. Therefore, the steering motor 54 is set to rotate back and forth automatically, so that the cylindrical worm gear 544 will drive the control gear 58 and the C-shaped frame 52 to rotate. The C-shaped frame 52 can drive the cleaner 57 to move as a whole, thereby thoroughly cleaning the transmission belt 35 passing under the cleaning mechanism 5 from multiple angles.

[0048] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of this invention is defined by the appended claims and their equivalents.

Claims

1. A civil engineering concrete mixer feed arrangement which is easy to clean, comprising a base (11), characterised in that: A steel structure frame (14) is fixedly installed at the upper middle part of the base (11). A pouring funnel (2) is fixedly installed on the upper part of the steel structure frame (14). A transmission mechanism (3) is provided at the lower part of the steel structure frame (14). A sieving mechanism (4) is provided between the transmission mechanism (3) and the pouring funnel (2). A cleaning mechanism (5) is also provided on the upper side of the front transmission mechanism (3) of the steel structure frame (14). The cleaning mechanism (5) includes a base plate (51), a steering motor (54) is provided at the upper middle part of the base plate (51), a drive motor (53) is provided on the upper side of the steering motor (54), a control gear (58) is provided at the output end of the drive motor (53), a C-shaped frame (52) is provided on one side of the side wall of the control gear (58), a three-leaf wheel (55) is provided between the end of the control gear (58) and the end of the C-shaped frame (52) away from the control gear (58), the three-leaf wheel (55) near the control gear (58) is fixedly connected to the output end of the drive motor (53), and a rotating rod (56) is provided on each of the three branches of the two three-leaf wheels (55), and a cleaner (57) is provided between the multiple rotating rods (56) located on the front and rear sides.

2. A concrete mixer feed arrangement for civil engineering with easy cleaning according to claim 1, characterized in that: The output end of the steering motor (54) is provided with a first drive roller (541). The upper end of the lower bottom plate (51) of the C-shaped frame (52) is provided with a first driven roller (542) corresponding to the position of the first drive roller (541). A first drive belt (543) is wound together between the first driven roller (542) and the first drive roller (541). A cylindrical worm gear (544) is provided on the right side of the first driven roller (542). A first mounting block is provided on both the left and right sides of the cylindrical worm gear (544). The cylindrical worm gear (544) meshes with the control gear (58).

3. A concrete mixer feeding device for civil engineering with easy cleaning according to claim 1, characterized in that: The middle part of the plurality of rotating rods (56) is inclined, the positions of the plurality of rotating rods (56) on the front and rear sides are corresponding, and the positions of the three rotating rods (56) on the same side are distributed in an equilateral triangle shape.

4. A concrete mixer charging device for civil engineering with easy cleaning according to claim 1, characterized in that: The cleaner (57) has a set of brushes (571) on its side.

5. A concrete mixer charging device for civil engineering with easy cleaning according to claim 1, characterized in that: The transmission mechanism (3) includes an inclined steel frame (31), which is fixedly installed at the upper middle part of (1). The front part of the inclined steel frame (31) is higher than the rear part. A transmission motor (32) is provided on the left rear side of the inclined steel frame (31). An active transmission roller (33) corresponding to the position of the transmission motor (32) is provided on the upper rear side of the inclined steel frame (31). The output end of the transmission motor (32) is fixedly connected to the active transmission roller (33). The inclined steel frame (31) has a discharge box (36) on the upper front side. The discharge box (36) has a driven transfer roller (34) inside. The active transfer roller (33) and the driven transfer roller (34) are wound together with a transfer belt (35). Multiple guide support frames (37) are provided on the inner side of the transfer belt (35) between the active transfer roller (33) and the driven transfer roller (34). The multiple guide support frames (37) are linearly arrayed along the inclined part of the inclined steel frame (31).

6. A concrete mixer feeding device for civil engineering that is easy to clean, as described in claim 5, characterized in that: The guide support frame (37) includes a mounting rod (371). The left and right ends of the mounting rod (371) are fixedly installed on the left and right sides of the inclined portion of the inclined steel frame (31). A second mounting block (374) is provided at the middle of the upper end of the mounting rod (371). A third mounting block (373) is provided on both sides of the upper end of the mounting rod (371). The height of the two third mounting blocks (373) is greater than the height of the second mounting block (374). An auxiliary roller (372) is provided between the two third mounting blocks (373) and the second mounting block (374).

7. A concrete mixer feeding device for civil engineering that is easy to clean, as described in claim 5, characterized in that: The surface of the transmission belt (35) is provided with a plurality of equally spaced baffles (38).

8. A concrete mixer feeding device for civil engineering that is easy to clean, as described in claim 5, characterized in that: A water pump (12) is provided on the front side of the upper end of the base (11). A water outlet pipe (121) is provided on the upper part of the water pump (12). The end of the water outlet pipe (121) away from the water pump (12) is connected to the upper part of the discharge box (36). A water inlet pipe (122) is also provided on one side of the water pump (12).

9. A concrete mixer feeding device for civil engineering that is easy to clean, as described in claim 1, characterized in that: The sieving mechanism (4) includes a sieving frame (41). The left and right ends of the lower side of the sieving frame (41) are fixedly installed in the middle of the steel structure frame (14). A sieving grid (411) is provided on the lower side of the middle of the sieving frame (41). A pushing roller (46) is provided in the middle of the upper side of the sieving frame (41) of the sieving grid (411). A spiral stirring roller (45) is provided at the front of the upper side of the sieving frame (41). An installation plate is fixedly connected to the upper rear of the sieving frame (41). A bidirectional motor (43) is fixedly installed on the upper end of the installation plate. A guide plate (44) is provided on the rear side of the sieving frame (41). A receiving box (13) is provided at the upper rear of the (1) corresponding to the position of the guide plate (44). A discharge funnel (42) is also provided between the sieving frame (41) and the conveyor belt (35).

10. A concrete mixer feeding device for civil engineering that is easy to clean, as described in claim 9, characterized in that: The spiral stirring roller (45) is provided with a second driven roller (451) at both the left and right ends, the push roller (46) is provided with a third driven roller (461) at both the left and right ends, the bidirectional motor (43) is provided with a second drive roller (431) at both the left and right output ends, the second drive roller (431) and the third driven roller (461) are wound together with a third drive belt (48), and the third driven roller (461) and the second driven roller (451) are wound together with a second drive belt (47).

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