Concrete pouring device for high-rise building construction

Abstract

The invention relates to the field of building construction, and discloses a concrete pouring device for high-rise building construction, comprising: a mixer truck which is used as equipment for stirring raw materials of the whole device and is used for mixing gravel, cement and water raw materials into concrete; the hopper is fixedly mounted above the mixer truck and is used for receiving and temporarily storing the mixed concrete; the conveying assembly is arranged on one side of the hopper and used for extracting concrete from the hopper and conveying the concrete into the pouring assembly; and the lifting assembly is installed above the mixer truck and used for adjusting the position of the pouring assembly in the horizontal direction, and an adjusting assembly is further arranged at the output end of the lifting assembly and used for driving the pouring assembly to conduct angle adjustment in the vertical direction. And through cooperation of the lifting assembly, the quantity control assembly and the adjusting assembly, the height of the pouring barrel can be adjusted, meanwhile, the output quantity of concrete can be strictly controlled, and the overall speed of high-rise building construction is greatly increased.

Description

Technical Field

[0001] The invention relates to the field of building construction, in particular to a concrete pouring device used for high-rise building construction. Background Art

[0002] Concrete refers to an artificial stone made by mixing cement as the main cementitious material with water, sand, gravel, and, when necessary, chemical admixtures and mineral admixtures in appropriate proportions, and then evenly mixing, compacting, forming, and curing and hardening. At present, the concrete construction of high-rise buildings mainly uses concrete pumps assisted by tower cranes to complete the transportation and pouring of concrete.

[0003] Traditional concrete pouring usually requires a lot of manual handling and hand pouring, which is labor-intensive and time-consuming, and cannot meet the needs of rapid construction of modern high-rise buildings.

[0004] Unstable pouring quality: Manual pouring is greatly affected by the skills and experience of the operator, and is prone to problems such as uneven concrete pouring, insufficient density, and poor surface flatness, which affect the quality and safety of the building structure.

[0005] Difficult to clean and maintain: After using traditional equipment, concrete tends to adhere to the inside of the equipment, which is difficult and time-consuming to clean, and the equipment maintenance cost is high.

[0006] In view of the above problems, the present invention proposes a concrete pouring device for high-rise building construction to improve the deficiencies existing in the prior art. Summary of the invention

[0007] In view of the deficiencies in the prior art, the present invention provides a concrete pouring device for high-rise building construction, which solves the problem that manual pouring is greatly affected by the skills and experience of the operator, and is prone to uneven concrete pouring, insufficient density, and poor surface flatness.

[0008] To achieve the above objectives, the present invention is implemented through the following technical solutions: a concrete pouring device for high-rise building construction, comprising: a mixer truck, which is used as a device for mixing raw materials of the entire device, and is used to mix sand, cement and water raw materials into concrete; a hopper, which is fixedly installed above the mixer truck and is used to receive and temporarily store the mixed concrete; a conveying assembly, which is arranged on one side of the hopper and is used to extract concrete from the hopper and convey it to the inside of the pouring assembly; a lifting assembly, which is installed above the mixer truck and is used to adjust the horizontal position of the pouring assembly, and an adjustment assembly is also provided at its output end, and the adjustment assembly is used to drive the pouring assembly to adjust the angle in the vertical direction; a control assembly is installed at the bottom end of the pouring assembly, and the control assembly includes an articulated block 1, the outer wall of the articulated block 1 is fixed to the outer wall of the pouring cylinder, a cylinder 1 is installed inside the articulated block 1, and an articulated block 2 is installed at the driving end of the cylinder 1, and the control assembly is used to control the amount of the pouring assembly output.

[0009] Preferably, the lifting assembly includes a driving arm, the bottom end of which is rotatably connected to the interior of the mixer truck, a mounting head is installed at the driving end of the driving arm, a motor 1 is fixed inside the mounting head, and a rotating plate is connected to the driving end of the motor 1.

[0010] Preferably, the adjustment assembly comprises a support frame, the interior of the support frame is rotatably connected with a rotating rod, the outer wall of the rotating rod is fixed to the outer wall of the casting assembly, and a worm gear is fixed to the end of the rotating rod.

[0011] Preferably, a support block is fixed to the outer wall of the support frame, a worm is rotated inside the support block, teeth of the worm are meshed with teeth of a worm wheel, and a handle is fixedly connected to the end of the worm.

[0012] Preferably, the casting assembly includes a casting cylinder, the outer wall of the casting cylinder is connected to the end of a rotating rod, a second motor is installed at the top of the casting cylinder, a stirring rod is fixed to the driving end of the second motor, a plurality of scrapers are installed on the outer wall of the stirring rod, the outer wall of the scraper is in contact with the inner wall of the casting cylinder, and is used to scrape the inner wall of the casting cylinder.

[0013] Preferably, the conveying assembly includes a conveying pump arranged on one side of the hopper, an extraction pipe is fixed to the output end of the conveying pump, the other end of the extraction pipe passes through the interior of the hopper, and a conveying pipe is fixed to the output end of the conveying pump, the other end of which is connected to the interior of the casting assembly.

[0014] Preferably, a baffle is fixedly connected to the top of the outer wall of the hinge block 2, and the baffle is rotatably connected to the bottom end of the casting cylinder, so as to adjust the effective area of ​​the processing discharge port of the casting assembly to realize the control of the cement discharge amount. The inside of the baffle is rotatably connected to a rotating shaft, and the rotating shaft rotates at the bottom end of the casting cylinder.

[0015] Preferably, a fixed plate and a limit plate are fixedly connected to the lower surface of the rotating plate, a connecting block 1 is installed below the fixed plate, a cylinder 2 is installed inside the connecting block 1, a driving end of the cylinder 2 is connected to the connecting block 2, a rotating block is rotatably provided on the outer wall of the connecting block, a connecting plate is rotatably provided on the outer wall of the rotating block, a guide rod is provided on the top end of the connecting plate, the outer wall of the guide rod slides inside the limit plate, a threaded sleeve is installed at the bottom end of the cylinder 2, a vibrating rod is connected to the internal thread of the threaded sleeve for vibrating the poured cement.

[0016] Preferably, a water pump is provided above the mixer truck, a water pump pipe is fixed to the input end of the water pump, a water tank is fixed to the end of the water pump pipe, the bottom end of the water tank is fixed inside the mixer truck, a cover plate is slid on the inner wall of the water tank, a drain pipe is fixed to the output end of the water pump, a plurality of high-pressure nozzles are fixed to the end face of the drain pipe, a bracket is provided above the hopper, an electric push rod is installed inside the bracket, and the driving end of the electric push rod is fixed to the top of the high-pressure nozzle.

[0017] Preferably, a motor three is installed inside the mixer truck, a driving end of the motor three is fixedly connected to a gear one, a gear two rotates inside the mixer truck, the top end of the gear two is fixed to the bottom end of the driving arm, and the teeth of the gear one are meshed with the teeth of the gear two.

[0018] Working principle: When the device needs to be used, first, the mixer truck mixes the sand, cement and water raw materials into concrete. The mixed concrete is received and temporarily stored through the hopper. The delivery pump extracts concrete from the hopper through the extraction pipe, delivers it to the output end of the delivery pump, and then transmits it to the casting assembly through the delivery pipe. The lifting assembly drives the motor 1 through the driving arm and the mounting head to adjust the height and position of the casting assembly to ensure the accuracy of the casting process. The rotating rod in the support frame rotates the worm, which drives the worm gear to rotate the casting assembly, and further adjusts the vertical direction of the casting assembly to ensure uniform distribution of concrete. The motor 2 in the casting barrel drives the stirring rod to rotate, and the scraper on the stirring rod scrapes the inner wall of the casting barrel to prevent cement adhesion and ensure the cleanliness of the barrel. Then start the cylinder 1 connected to the hinge block 1 to drive the hinge block 2 The baffle plate is rotated to adjust the effective area of ​​the discharge port and control the discharge amount of concrete. The baffle plate is adjusted in angle through the rotating shaft to achieve precise control. Cylinder 2 is started to push connecting block 2 to move. Connecting block 2 slides inside the limit plate with the connecting plate through the guide rod, and the vibrating rod is driven to move up and down to vibrate the poured concrete, remove air, and improve the pouring quality. The water pump draws water from the water tank and cleans the hopper through the drain pipe and the high-pressure nozzle. The electric push rod drives the high-pressure nozzle to move up and down to improve the cleaning effect. Motor 3 is started to rotate with gear 1 and gear 2 to drive the driving arm to adjust the angle in the horizontal direction to meet different construction requirements. The present invention significantly improves the efficiency and quality of concrete pouring in high-rise buildings, simplifies the cleaning and maintenance of the equipment, and greatly improves the overall construction effect.

[0019] The present invention provides a concrete pouring device for high-rise building construction, which has the following beneficial effects:

[0020] 1. The present invention can adjust the height of the casting barrel and strictly control the amount of concrete discharge by setting a lifting component, a quantity control component and an adjustment component. The position of the discharge is adjusted by the design of the adjustment component, thereby greatly improving the overall speed of high-rise building construction.

[0021] 2. The coordination of the stirring component and the vibrating assembly inside the casting tube of the present invention prevents the cement from being scraped inside the casting tube while solidifying inside the casting tube, thereby facilitating the subsequent cleaning of the inside of the casting tube. The vibrating assembly is used to vibrate the poured cement to remove the air inside the cement, thereby improving the overall quality of the casting.

[0022] 3. The present invention cleans the hopper at the end of pouring by using a cleaning component, and at the same time cleans the inside of the pouring tube by using a delivery pump, an extraction pipe, a delivery pipe and a stirring component to prevent cement from being cleaned inside the pouring tube, thereby increasing the service life of the pouring tube and the hopper. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1A perspective view of the present invention;

[0024] Figure 2 It is a schematic diagram of the structure of the delivery pump part of the present invention;

[0025] Figure 3 It is a schematic diagram of the structure of the support frame part of the present invention;

[0026] Figure 4 It is a schematic diagram of the structure of the casting tube part of the present invention;

[0027] Figure 5 It is a schematic diagram of the internal structure of the casting tube of the present invention;

[0028] Figure 6 It is a schematic diagram of the structure of the fixing plate part of the present invention;

[0029] Figure 7 It is a schematic diagram of the structure of the vibrating rod part of the present invention;

[0030] Figure 8 It is a schematic diagram of the structure of the support part of the present invention;

[0031] Fig. 9 It is a schematic diagram of the internal structure of the mixer truck of the present invention.

[0032] Among them, 1. mixer truck; 2. hopper; 3. delivery pump; 4. extraction pipe; 5. delivery pipe; 6. lifting assembly; 601. driving arm; 602. mounting head; 603. motor 1; 604. rotating plate; 7. pouring assembly; 701. pouring cylinder; 702. motor 2; 703. stirring rod; 704. scraper; 8. quantity control assembly; 801. hinge block 1; 802. cylinder 1; 803. hinge block 2; 804. baffle; 805. rotating shaft; 9. adjustment assembly; 901. support frame; 902. support block; 903, worm; 904, handle; 905, rotating rod; 906, worm wheel; 10, fixing plate; 11, limiting plate; 12, connecting block one; 13, cylinder two; 14, connecting block two; 15, rotating block; 16, connecting plate; 17, guide rod; 18, threaded sleeve; 19, vibrating rod; 20, water pump; 21, suction pipe; 22, water tank; 23, cover plate; 24, drain pipe; 25, bracket; 26, electric push rod; 27, high-pressure nozzle; 28, motor three; 29, gear one; 30, gear two. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the specification of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] Example:

[0035] Please see attached Figure 1 -Attached Figure 5 The embodiment of the present invention provides a concrete pouring device for high-rise building construction, including: a mixer truck 1, which is used as a device for mixing raw materials of the entire device, and is used to mix sand, cement and water raw materials into concrete; a hopper 2, which is fixedly installed above the mixer truck 1, and is used to receive and temporarily store the mixed concrete; a conveying component, which is arranged on one side of the hopper 2, and is used to extract concrete from the hopper 2 and convey it to the inside of a pouring component 7; a lifting component 6, which is installed above the mixer truck 1, and is used to adjust the horizontal position of the pouring component 7, and an adjusting component 9 is also provided at its output end, and the adjusting component 9 is used to drive the pouring component 7 to adjust the angle in the vertical direction; the bottom of the pouring component 7 The end of the mixer truck 1 is provided with a control assembly 8, which includes an articulated block 801, the outer wall of the articulated block 801 is fixed to the outer wall of the casting cylinder 701, a cylinder 802 is installed inside the articulated block 801, and an articulated block 2 803 is installed at the driving end of the cylinder 802. The control assembly 8 is used to control the amount of the casting assembly 7. The lifting assembly 6 includes a driving arm 601, the bottom end of the driving arm 601 is rotatably connected to the inside of the mixer truck 1, and a mounting head 602 is installed at the driving end of the driving arm 601. A motor 603 is fixed inside the mounting head 602, and a rotating plate 604 is connected to the driving end of the motor 603. The adjustment assembly 9 includes a support frame 901, and the support frame 901 is provided with a support frame 901. A rotating rod 905 is connected to the inner rotation, and the outer wall of the rotating rod 905 is fixed to the outer wall of the casting assembly 7. A worm wheel 906 is fixed to the end of the rotating rod 905. A support block 902 is fixed to the outer wall of the support frame 901. A worm 903 is rotated inside the support block 902. The teeth of the worm 903 are meshed with the teeth of the worm wheel 906. A handle 904 is fixedly connected to the end of the worm 903. The casting assembly 7 includes a casting barrel 701. The outer wall of the casting barrel 701 is connected to the end of the rotating rod 905. A motor 702 is installed on the top of the casting barrel 701. A stirring rod 703 is fixed to the driving end of the motor 702. A plurality of scrapers 704 are installed on the outer wall of the stirring rod 703. The scrapers 704 The outer wall of 04 fits with the inner wall of the casting cylinder 701 and is used to scrape the inner wall of the casting cylinder 701. The conveying assembly includes a conveying pump 3 arranged on one side of the hopper 2. The output end of the conveying pump 3 is fixed with an extraction pipe 4, and the other end of the extraction pipe 4 passes through the interior of the hopper 2. The output end of the conveying pump 3 is fixed with a conveying pipe 5, and the other end is connected to the interior of the casting assembly 7. The top of the outer wall of the hinged block 803 is fixedly connected with a baffle 804, and the baffle 804 is rotatably connected to the bottom end of the casting cylinder 701, which is used to adjust the effective area of ​​the processing discharge port of the casting assembly 7 to realize the control of the cement discharge amount. The internal rotation of the baffle 804 is connected with a rotating shaft 805, and the rotating shaft 805 rotates at the bottom end of the casting cylinder 701.

[0036] Specifically, when the device is needed, the mixer truck 1 mixes sand, cement and water into concrete, the hopper 2 is fixed above the mixer truck 1 to receive and temporarily store the mixed concrete, the delivery pump 3 extracts concrete from the hopper 2, delivers it to the inside of the casting assembly 7 through the extraction pipe 4, and then delivers the concrete to the casting assembly 7 through the delivery pipe 5, the lifting assembly 6 drives the motor 603 through the driving arm 601 and the installation head 602 to adjust the height and horizontal position of the casting assembly 7, and supports The rotating rod 905 inside the frame 901 further adjusts the vertical direction of the pouring assembly 7 through the cooperation of the worm gear 906 and the worm 903. The motor 2 702 in the pouring barrel 701 drives the stirring rod 703 to rotate. The scraper 704 on the stirring rod 703 scrapes the inner wall of the pouring barrel 701 to prevent cement adhesion. The cylinder 1 802 drives the hinge block 2 803 and the baffle 804 to adjust the effective area of ​​the discharge port and control the output of concrete. The baffle 804 is adjusted in angle through the rotating shaft 805 to achieve precise control.

[0037] Please see attached Figure 6 -Attached Figure 7 The lower surface of the rotating plate 604 is fixedly connected with a fixed plate 10 and a limit plate 11, a connecting block 12 is installed below the fixed plate 10, a cylinder 2 13 is installed inside the connecting block 12, a driving end of the cylinder 2 13 is connected with a connecting block 2 14, a rotating block 15 is rotatably provided on the outer wall of the connecting block 2 14, a connecting plate 16 is rotatably provided on the outer wall of the rotating block 15, a guide rod 17 is provided on the top end of the connecting plate 16, and the outer wall of the guide rod 17 slides inside the limit plate 11, a threaded sleeve 18 is installed at the bottom end of the cylinder 2 13, and a vibrating rod 19 is connected to the internal thread of the threaded sleeve 18 for vibrating the poured cement.

[0038] Specifically, the rotating plate 604 drives the movement of the fixed plate 10 and the limit plate 11, the cylinder 13 drives the connecting block 14 to move up and down through the internal mechanical transmission, the connecting block 14 drives the rotating block 15 and the connecting plate 16 to move synchronously, the guide rod 17 slides inside the limit plate 11 to ensure the stability of the motion trajectory, the vibrating rod 19 is fixed by the threaded sleeve 18, and vibrates up and down under the drive of the cylinder 13, the poured concrete is vibrated, the bubbles in the concrete are eliminated, the density is increased, and the pouring quality is ensured. This design makes the vibration process stable and efficient, and improves the overall quality of the concrete and the construction efficiency.

[0039] Please see attached Figure 8 -Attached Fig. 9A water pump 20 is arranged above the mixer truck 1, and a water pumping pipe 21 is fixed to the input end of the water pump 20, and a water tank 22 is fixed to the end of the water pumping pipe 21. The bottom end of the water tank 22 is fixed inside the mixer truck 1, and a cover plate 23 is slid on the inner wall of the water tank 22. A drain pipe 24 is fixed to the output end of the water pump 20, and a plurality of high-pressure nozzles 27 are fixed to the end face of the drain pipe 24. A bracket 25 is arranged above the hopper 2, and an electric push rod 26 is installed inside the bracket 25, and the driving end of the electric push rod 26 is fixed to the top of the high-pressure nozzle 27. A motor three 28 is installed inside the mixer truck 1, and the driving end of the motor three 28 is fixedly connected to a gear one 29. A gear two 30 is rotated inside the mixer truck 1, and the top end of the gear two 30 is fixed to the bottom end of the driving arm 601, and the teeth of the gear one 29 are meshed with the teeth of the gear two 30.

[0040] Specifically, the water pump 20 is located above the mixer truck 1, and the water pump 21 draws water from the water tank 22 to the water pump 20. The cover plate 23 on the inner wall of the water tank 22 slides to adjust the water volume. The water pump 20 transports water to the high-pressure nozzle 27 through the drain pipe 24. The nozzle is driven by the electric push rod 26 to move up and down, thereby efficiently cleaning the hopper 2. The motor three 28 inside the mixer truck 1 drives the gear one 29, and the gear one 29 is engaged with the gear two 30, so that the driving arm 601 can flexibly adjust the operating angle of the mixer truck 1. This design improves the cleaning efficiency and operating flexibility of the equipment by optimizing the cleaning and operating system, significantly improves the construction efficiency and quality, and reduces maintenance costs.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A concrete pouring device for high-rise building construction, It is characterized in that include: A mixer truck (1), which is a device for mixing raw materials of the entire device, and is used to mix sand, cement and water raw materials into concrete; A hopper (2) is fixedly mounted above the mixer truck (1) and is used to receive and temporarily store mixed concrete; A conveying assembly, which is arranged on one side of the hopper (2) and is used to extract concrete from the hopper (2) and convey it to the interior of the pouring assembly (7); A lifting assembly (6) is installed above the mixer truck (1) and is used to adjust the horizontal position of the pouring assembly (7). An adjusting assembly (9) is also provided at the output end of the lifting assembly (6) and is used to drive the pouring assembly (7) to adjust the angle in the vertical direction. A quantity control component (8) is installed at the bottom end of the pouring component (7), and the quantity control component (8) includes an articulated block 1 (801), the outer wall of the articulated block 1 (801) is fixed to the outer wall of the pouring tube (701), a cylinder 1 (802) is installed inside the articulated block 1 (801), and an articulated block 2 (803) is installed at the driving end of the cylinder 1 (802), and the quantity control component (8) is used to control the amount of output of the pouring component (7).

2. A concrete pouring device for high-rise building construction according to claim 1, It is characterized in that The lifting assembly (6) comprises a driving arm (601), the bottom end of which is rotatably connected to the interior of the mixer truck (1), a mounting head (602) being installed at the driving end of the driving arm (601), a motor 1 (603) being fixed inside the mounting head (602), and a rotating plate (604) being connected to the driving end of the motor 1 (603).

3. A concrete pouring device for high-rise building construction according to claim 1, It is characterized in that The adjustment component (9) comprises a support frame (901), the interior of the support frame (901) is rotatably connected to a rotating rod (905), the outer wall of the rotating rod (905) is fixed to the outer wall of the casting component (7), and a worm gear (906) is fixed to the end of the rotating rod (905).

4. A concrete pouring device for high-rise building construction according to claim 3, It is characterized in that A support block (902) is fixed to the outer wall of the support frame (901), a worm (903) is rotated inside the support block (902), the teeth of the worm (903) are meshed with the teeth of the worm wheel (906), and a handle (904) is fixedly connected to the end of the worm (903).

5. A concrete pouring device for high-rise building construction according to claim 1, It is characterized in that The pouring assembly (7) comprises a pouring cylinder (701), the outer wall of which is connected to the end of a rotating rod (905), a second motor (702) is installed at the top of the pouring cylinder (701), a stirring rod (703) is fixed to the driving end of the second motor (702), a plurality of scrapers (704) are installed on the outer wall of the stirring rod (703), and the outer wall of the scraper (704) is in contact with the inner wall of the pouring cylinder (701) for scraping the inner wall of the pouring cylinder (701).

6. A concrete pouring device for high-rise building construction according to claim 1, It is characterized in that The conveying assembly comprises a conveying pump (3) arranged on one side of the hopper (2); an extraction pipe (4) is fixed to the output end of the conveying pump (3); the other end of the extraction pipe (4) passes through the interior of the hopper (2); and a conveying pipe (5) is fixed to the output end of the conveying pump (3); the other end of the conveying pipe (5) is connected to the interior of the casting assembly (7).

7. A concrete pouring device for high-rise building construction according to claim 1, It is characterized in that A baffle (804) is fixedly connected to the top of the outer wall of the hinge block 2 (803), and the baffle (804) is rotatably connected to the bottom end of the casting cylinder (701) and is used to adjust the effective area of ​​the processing discharge port of the casting assembly (7) to achieve control of the amount of cement discharged. The baffle (804) is internally rotatably connected to a rotating shaft (805), and the rotating shaft (805) is rotatably connected to the bottom end of the casting cylinder (701).

8. A concrete pouring device for high-rise building construction according to claim 2, It is characterized in that The lower surface of the rotating plate (604) is fixedly connected with a fixed plate (10) and a limit plate (11); a connecting block (12) is installed below the fixed plate (10); a cylinder (13) is installed inside the connecting block (12); a driving end of the cylinder (13) is connected with a connecting block (14); a rotating block (15) is rotatably provided on the outer wall of the connecting block (14); a connecting plate (16) is rotatably provided on the outer wall of the rotating block (15); a guide rod (17) is provided at the top end of the connecting plate (16); the outer wall of the guide rod (17) slides inside the limit plate (11); a threaded sleeve (18) is installed at the bottom end of the cylinder (13); a vibrating rod (19) is threadedly connected to the inner part of the threaded sleeve (18) for vibrating the poured cement.

9. A concrete pouring device for high-rise building construction according to claim 1, It is characterized in that A water pump (20) is arranged above the mixer truck (1), a water pumping pipe (21) is fixed to the input end of the water pump (20), a water tank (22) is fixed to the end of the water pumping pipe (21), the bottom end of the water tank (22) is fixed inside the mixer truck (1), a cover plate (23) is slidably mounted on the inner wall of the water tank (22), a drain pipe (24) is fixed to the output end of the water pump (20), a plurality of high-pressure nozzles (27) are fixed to the end face of the drain pipe (24), a bracket (25) is arranged above the hopper (2), an electric push rod (26) is installed inside the bracket (25), and the driving end of the electric push rod (26) is fixed to the top end of the high-pressure nozzle (27).

10. A concrete pouring device for high-rise building construction according to claim 1, It is characterized in that A motor three (28) is installed inside the mixer truck (1), and a driving end of the motor three (28) is fixedly connected to a gear one (29). A gear two (30) rotates inside the mixer truck (1), and the top end of the gear two (30) is fixed to the bottom end of the driving arm (601), and the teeth of the gear one (29) are meshed with the teeth of the gear two (30).

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