Forced mixer truck capable of changing mixing position

By setting up a mounting frame, spindle and lifting cylinder on the concrete mixer truck, combined with the driving of the hydraulic motor and hydraulic cylinder, the mixing uniformity and unloading efficiency are achieved, and the concrete separation, layering and cleaning in the existing mixer truck is solved. Difficult problem.

CN222494848UActive Publication Date: 2025-02-18CHANGSHA QIANGZHONG MACHINERY LEASING CO LTD
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Patent Information

Application Number
CN202420908623.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-28
Publication Date
2025-02-18
Estimated Expiration
2034-04-28

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  • Figure CN222494848U_ABST
    Figure CN222494848U_ABST
Patent Text Reader

Abstract

The utility model discloses a forced mixer truck capable of changing the mixing position, and relates to the field of concrete mixing. Comprising a vehicle body, a fixing frame is obliquely arranged on the vehicle body towards a vehicle head, a mounting frame is arranged on the fixing frame, a stirring tank is arranged on the mounting frame, a main shaft is rotationally connected into the stirring tank, and the rotating axis of the main shaft is consistent with the axis of the stirring tank; the main shaft is further provided with a first driving assembly used for driving the main shaft to rotate and an adjusting assembly used for driving the stirring device to slide. Through the arrangement of the mounting frame, the main shaft and the lifting oil cylinder, when the mixer truck is used for conveying, the hydraulic motor drives the mixing device to mix concrete, the concrete is prevented from being solidified, and meanwhile, the positions of the mixing blades can be changed through the lifting oil cylinder, so that the phenomena of concrete segregation and layering are avoided; opening a discharge port after the materials are conveyed to a target position; and the hydraulic cylinder drives the mounting frame to rotate, so that concrete can be discharged from the discharging opening.
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Description

Technical Field

[0001] The utility model relates to the field of concrete mixing, in particular to a forced mixing truck capable of changing the mixing position. Background Art

[0002] Nowadays, the concrete required for construction is usually provided by mixing plants. After the concrete is mixed at the mixing plant, it is transported to the site by concrete mixer trucks. The drum concrete mixer truck includes a rotatable mixing tank. Taking into account factors such as mixing performance, effective loading capacity, load uniformity, unloading performance, and feeding performance, the mixing tank is tilted as a whole, with the side close to the front of the vehicle being lower and the side close to the rear of the vehicle being higher. The mixing tank is provided with mixing blades similar to auger. The mixing blades can complete feeding and mixing by rotating clockwise with the mixing tank, and can complete unloading by rotating counterclockwise to draw the concrete out of the mixing tank.

[0003] However, the drum mixer truck has a small mixing capacity and mixes concrete unevenly, which can easily cause commercial concrete segregation and stratification. At the same time, the drum mixer truck tank is difficult to clean, and the large amount of cleaning water increases the amount of polluted water, which can easily cause concrete to form in the tank, reducing the transportation volume and increasing transportation costs. In addition, the drum mixer truck has a slow concrete feeding speed, which can cause leakage and discharge. Utility Model Content

[0004] In order to enable the concrete in the mixing tank to be discharged more completely, the present application provides a forced mixer truck with a variable mixing position.

[0005] The present application provides a forced mixer truck capable of changing the stirring position, which adopts the following technical solution:

[0006] A forced stirring truck with changeable stirring position comprises a truck body, a fixing frame is arranged on the truck body inclined toward the front of the truck, a mounting frame is arranged on the fixing frame, a stirring tank is arranged on the mounting frame, a main shaft is rotatably connected in the stirring tank, the rotation axis of the main shaft is consistent with the axis of the stirring tank, a stirring device is slidably connected to the main shaft along its own axis direction, and a driving component for driving the main shaft to rotate and an adjusting component for driving the stirring device to slide are also arranged on the main shaft.

[0007] Optionally, the adjustment component includes an engine, an oil pump and a lifting cylinder, the lifting cylinder is arranged inside the main shaft, and the two ends of the lifting cylinder are respectively fixedly connected to the main shaft and the stirring device; the oil pump is used to supply oil to the lifting cylinder, the engine is arranged in the vehicle body, and the engine is used to drive the oil pump.

[0008] Optionally, the driving component 1 includes a hydraulic motor, the hydraulic motor is fixedly connected to the bottom of the mixing tank, and the output shaft of the hydraulic motor is fixedly connected to the main shaft; the hydraulic motor is driven by the oil pump.

[0009] Optionally, the hydraulic motor output shaft is coaxially connected with the rotor of the swivel joint, the rotor of the swivel joint is fixedly connected to the main shaft, the stator of the swivel joint is fixedly connected to the hydraulic motor housing, and the oil pump is connected to the swivel joint stator to supply oil to the lifting cylinder.

[0010] Optionally, the stirring device includes a stirring shaft, which is slidably connected to the main shaft, and a plurality of connecting rods are fixedly connected to the stirring shaft, and the connecting rods are connected to stirring blades.

[0011] Optionally, a plurality of connecting rods are evenly spaced apart along the circumferential direction of the stirring shaft, and each of the connecting rods has a different length.

[0012] Optionally, the mounting frame is rotatably connected to the fixed frame, the rotation axis of the mounting frame is arranged in the horizontal direction, the mixing tank is provided with a discharge port, and a discharge switch is provided at the discharge port; the mounting frame is rotated so that the discharge port is located at the lowest point of the mixing tank; the vehicle body is also provided with a driving component 2 for driving the mounting frame to rotate.

[0013] Optionally, the second driving component includes a hydraulic cylinder; both ends of the hydraulic cylinder are rotatably connected to the vehicle body and the mounting frame respectively, and the hydraulic cylinder is supplied with oil by the oil pump.

[0014] Optionally, the oil pump is connected to an oil dividing valve, the unloading switch is a hydraulic valve, and the oil dividing valve is connected to the hydraulic cylinder, the hydraulic valve and the lifting cylinder at the same time.

[0015] Optionally, a water tank is provided on the vehicle body, and the water tank is connected to the mixing tank through a water pipe, and a valve is provided on the water pipe.

[0016] In summary, this application includes the following beneficial technical effects:

[0017] The present application arranges a mounting frame, a main shaft and a lifting cylinder. When the mixer truck is being transported, a hydraulic motor drives the stirring device to stir the concrete to prevent it from solidifying. At the same time, the position of the stirring blades can be changed by the lifting cylinder to avoid concrete segregation and stratification. When transported to the target position, the discharge port is opened. The mounting frame is driven to rotate by the hydraulic cylinder to complete the discharge of concrete from the discharge port. During unloading, the stirring device can also be rotated to perform rapid unloading. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1This is a diagram of a hydraulic device of a forced mixer truck capable of changing the mixing position of the present application;

[0019] Figure 2 This is an overall structural diagram of a forced mixer truck capable of changing the mixing position of the present application;

[0020] Figure 3 This is a front view of the overall structure of a forced mixer truck capable of changing the mixing position of the present application;

[0021] Figure 4 yes Figure 1 The overall structure diagram of the stirring device.

[0022] Description of reference numerals:

[0023] 1. Car body; 11. Mounting frame; 12. Mixing tank; 121. Discharge port; 13. Engine; 14. Hydraulic valve; 15. Water tank; 16. Water pipe; 17. Fixed frame; 18. Main shaft; 21. Oil pump; 22. Hydraulic cylinder; 23. Hydraulic motor; 24. Oil distribution valve; 31. Mixing shaft; 32. Connecting rod; 33. Mixing blade; 34. Lifting cylinder; 35. Rotary joint. DETAILED DESCRIPTION

[0024] The following is combined with Figure 1-4 This application is described in further detail.

[0025] The embodiment of the present application discloses a forced mixer truck with a changeable stirring position, which includes a vehicle body 1, in which an engine 13 is provided; a fixing frame 17 is provided on the vehicle body 1 inclined toward the front of the vehicle, and the side of the fixing frame 17 close to the front of the vehicle is lower; a mounting frame 11 is rotatably connected to the fixing frame 17, and the rotation axis of the mounting frame 11 is arranged in a horizontal direction; a mixing tank 12 is fixedly connected to the mounting frame 11, and a discharge port 121 is provided on the mixing tank 12, and a discharge switch for opening or closing the discharge port 121 is provided outside the mixing tank 12 at the discharge port 121, and the discharge switch is a hydraulic valve 14; the hydraulic valve 14 includes a sealing plate that is rotated by hydraulic drive, and the sealing plate rotates to open or close the discharge port 121.

[0026] A main shaft 18 is rotatably connected in the mixing tank 12, and the rotation axis of the main shaft 18 is consistent with the axis of the mixing tank 12. A stirring device is slidably connected to the main shaft 18 along its own axis direction. At the same time, a driving component for driving the main shaft 18 to rotate and an adjusting component for driving the mixing device to slide are provided on the vehicle body 1.

[0027] In this embodiment, the adjustment component includes an engine 13, an oil pump 21 and a lifting cylinder 34. The lifting cylinder 34 is installed inside the main shaft 18, and its two ends are fixedly connected to the main shaft 18 and the stirring device respectively; the oil pump 21 and the engine 13 are both fixedly connected to the vehicle body 1, the engine 13 is used to drive the oil pump 21, and the lifting cylinder 34 is supplied with oil by the oil pump 21.

[0028] The driving component 1 includes a hydraulic motor 23, which is fixedly connected to the bottom of the mounting frame 11. The output shaft of the hydraulic motor 23 is fixedly connected to the main shaft 18 after passing through the reducer and the hydraulic swivel joint 35. The rotor of the swivel joint 35 is fixedly connected to the main shaft 19. The stator of the swivel joint 35 is fixedly connected to the reducer housing. The oil pump 21 is connected to the stator of the swivel joint 35. The delivered hydraulic oil flows to the rotor through the stator and finally flows to the lifting cylinder 34. Therefore, the oil pipeline will not be entangled with the rotation of the main shaft 18.

[0029] When the mixer truck is transporting concrete, the engine 13 drives the oil pump 21, thereby driving the hydraulic motor 23 to drive the main shaft 18 to rotate. The rotation of the main shaft 18 drives the stirring device to rotate, thereby stirring the concrete. In order to avoid segregation and stratification of concrete, the position of the stirring device can be changed by lifting the oil cylinder 34, thereby changing the stirring position.

[0030] In an embodiment of the present application, the stirring device includes a stirring shaft 31, which is rotatably connected to the stirring tank 12. The rotation axis of the stirring shaft 31 is consistent with the axis of the stirring tank 12. A plurality of connecting rods 32 are provided on the stirring shaft 31, and the connecting rods 32 are fixedly connected with stirring blades 33. In order to effectively increase the stirring effect, the plurality of connecting rods 32 are evenly spaced along the circumferential direction of the stirring shaft 31, and each connecting rod 32 has a different length, so that the stirring blades 33 can be fully stirred in different paths in the stirring tank 12.

[0031] In order to facilitate the complete and thorough unloading of concrete, a driving component 2 for driving the mounting frame 11 to rotate is provided on the vehicle body 1. In the embodiment of the present application, the driving component 2 includes a hydraulic cylinder 22, and the two ends of the hydraulic cylinder 22 are respectively rotatably connected to the vehicle body 1 and the mounting frame 11, and the hydraulic cylinder 22 is located on the side of the mounting frame 11 close to the front of the vehicle; the oil pump 21 pumps oil to the hydraulic cylinder 22, and the engine 13 drives the oil pump 21 to operate. At the same time, a hydraulic oil tank should be provided on the vehicle body 1, and the oil pump 21 is connected to the hydraulic oil tank.

[0032] When unloading is required, the engine 13 drives the oil pump 21 to deliver hydraulic oil to the hydraulic cylinder 22, and the hydraulic cylinder 22 extends to drive the mounting frame 11 to rotate, so that the unloading port 121 is located at the lowest point of the mixing tank 12, so that all the concrete in the mixing tank 12 can be discharged.

[0033] Furthermore, a water tank 15 is provided on the vehicle body 1, and a water pipe 16 is connected to the water tank 15. The water pipe 16 is provided with a valve. The water pipe 16 leads to the mixing tank 12, so as to conveniently control the moisture content of the concrete in the mixing tank 12, thereby avoiding solidification.

[0034] At the same time, in the embodiment of the present application, the oil pump 21 is also responsible for controlling the hydraulic valve 14. The oil pump 21 is connected to the oil dividing valve 24. The oil dividing valve 24 is connected to the hydraulic cylinder 22, the hydraulic valve 14 and the lifting cylinder 34. By controlling the oil dividing valve 24, the rotation of the main shaft 18, the lifting of the stirring device, the rotation of the mounting frame 11 and the closing of the discharge valve are controlled respectively.

[0035] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A forced mixing truck capable of changing the mixing position, characterized in that: The invention comprises a vehicle body (1), wherein a fixing frame (17) is arranged on the vehicle body (1) in an inclined manner toward the front of the vehicle, wherein a mounting frame (11) is arranged on the fixing frame (17), wherein a stirring tank (12) is arranged on the mounting frame (11), wherein a main shaft (18) is rotatably connected to the stirring tank (12), wherein the rotation axis of the main shaft (18) is consistent with the axis of the stirring tank (12), wherein the main shaft (18) is slidably connected to a stirring device along its own axis direction, and wherein a driving component for driving the main shaft (18) to rotate and an adjusting component for driving the stirring device to slide are also arranged on the vehicle body (1).

2. A forced mixer truck capable of changing the stirring position according to claim 1, characterized in that: The regulating assembly comprises an engine (13), an oil pump (21) and a lifting cylinder (34); the lifting cylinder (34) is arranged inside the main shaft (18); two ends of the lifting cylinder (34) are respectively fixedly connected to the main shaft (18) and the stirring device; the oil pump (21) is used to supply oil to the lifting cylinder (34); the engine (13) is arranged in the vehicle body (1); and the engine (13) is used to drive the oil pump (21).

3. A forced mixer truck capable of changing the stirring position according to claim 2, characterized in that: The driving component 1 comprises a hydraulic motor (23), the hydraulic motor (23) is fixedly connected to the bottom of the mixing tank (12), and the output shaft of the hydraulic motor (23) is fixedly connected to the main shaft (18); the hydraulic motor (23) is driven by the oil pump (21).

4. A forced mixer truck capable of changing the stirring position according to claim 3, characterized in that: The output shaft of the hydraulic motor (23) is coaxially connected to the rotor of a swivel joint (35), the rotor of the swivel joint (35) is fixedly connected to the main shaft (18), the stator of the swivel joint (35) is fixedly connected to the housing of the hydraulic motor (23), and the oil pump is connected to the stator of the swivel joint (35) to supply oil to the lifting cylinder (34).

5. The forced mixer truck capable of changing the stirring position according to claim 3, characterized in that: The stirring device comprises a stirring shaft (31), wherein the stirring shaft (31) is slidably connected to the main shaft (18), a plurality of connecting rods (32) are fixedly connected to the stirring shaft (31), and the connecting rods (32) are connected to stirring blades (33).

6. A forced mixer truck capable of changing the stirring position according to claim 5, characterized in that: The plurality of connecting rods (32) are evenly spaced apart along the circumferential direction of the stirring shaft (31), and the lengths of the connecting rods (32) are different.

7. The forced mixer truck capable of changing the stirring position according to claim 3, characterized in that: The mounting frame (11) is rotatably connected to the fixing frame (17); the rotation axis of the mounting frame (11) is arranged in the horizontal direction; the mixing tank (12) is provided with a discharge port (121); and a discharge switch is arranged at the discharge port (121); the mounting frame (11) is rotated so that the discharge port (121) is located at the lowest point of the mixing tank (12); and the vehicle body (1) is also provided with a driving component 2 for driving the mounting frame (11) to rotate.

8. The forced mixer truck capable of changing the stirring position according to claim 7, characterized in that: The second driving component comprises a hydraulic cylinder (22); two ends of the hydraulic cylinder (22) are rotatably connected to the vehicle body (1) and the mounting frame (11), respectively, and the hydraulic cylinder (22) is supplied with oil by the oil pump (21).

9. The forced mixer truck capable of changing the stirring position according to claim 8, characterized in that: The oil pump (21) is connected to an oil separator valve (24), the unloading switch is a hydraulic valve (14), and the oil separator valve (24) is connected to the hydraulic cylinder (22), the hydraulic valve (14) and the lifting cylinder (34) at the same time.

10. The forced mixer truck capable of changing the mixing position according to claim 1, characterized in that: The vehicle body (1) is provided with a water tank (15), and the water tank (15) is connected to the stirring tank (12) through a water pipe (16), and a valve is provided on the water pipe (16).