A rotary horizontal shaft cross mixer

Abstract

The application belongs to the technical field of construction equipment and relates to a rotating flat shaft cross stirring device. A curing agent storage device, an upper rotating device, a planetary wheel assembly and a stirrer rotating rod are sequentially installed on a stirrer support rod from top to bottom, and the curing agent storage device is located below a flange. The stirrer rotating rod is connected with a stirrer main body upper shell through screws. A main rotating shaft is connected with a motor and penetrates the upper rotating device, the planetary wheel assembly and the stirrer rotating rod. The stirring wheel assembly is installed on a cross rotating gear assembly. The stirrer main body upper shell and a stirrer main body lower shell form a stirrer main body shell. The stirring wheel assembly is sealed with the stirrer main body shell through a sealing ring. The cross rotating gear assembly drives the stirring wheel assembly to cross rotate. While realizing cross rotating stirring of four stirring wheels, the stirrer main body can also realize the multiple functions of circumferential rotation. Compared with the existing single-structure stirrer, the structure can significantly improve stirring efficiency and stirring quality.

Description

Technical Field

[0001] This invention belongs to the field of construction equipment technology and relates to a rotary horizontal shaft cross mixing device. Background Technology

[0002] With the rapid development of infrastructure construction such as highways, railways, and airports, as well as industrial and civil buildings, coastal areas are encountering an increasing number of soft soil foundation treatment problems. Large amounts of waste soil are generated during river dredging and foundation pit excavation. The excavation, transportation, and land acquisition and dumping of this waste soil lead to a series of problems, including waste of land resources and environmental pollution. On the other hand, roadbed and embankment projects require large amounts of high-quality filler and sand and gravel cushion layers, which necessitates quarrying or river sand mining. With increasing emphasis on and stricter control over environmental and ecological issues, these high-quality filler materials are becoming increasingly scarce and difficult to source, leading to rising costs year by year. On-site solidification of waste soil and the recycling of soil resources can alleviate this contradiction.

[0003] In soft soil foundation engineering, when the surface hard crust layer is missing, or in river, lake, or pond sections, or when the surface soil strength is low, in-situ solidification equipment can be used to improve and treat the surface soft soil in situ, forming a hard crust layer of a certain thickness and strength. This can be called the shallow treatment method of in-situ solidification hard crust layer, and the hard crust layer formed by this method can be called an artificial hard crust layer. This technology can replace the replacement filling method for treating shallow soft foundations, which has significant advantages when the source of sand and gravel cushion materials is difficult, or when the site conditions do not provide composite foundation construction equipment. Currently, domestic and international research on foundation solidification treatment technology mainly focuses on the selection of solidifying agents and the solidification treatment effect, with relatively little research on new equipment.

[0004] Currently, the common methods for mixing solidifying agents with soil mainly include in-situ (on-site) mixing and ex-situ mixing. In-situ mixing includes vertical shaft mixers such as those used in mixing pile construction and horizontal shaft mixers such as those using high-powered mixing heads. Vertical shaft mixers have high site requirements, require a large mixing depth, and have relatively low efficiency, but they have been used for a long time and the technology is relatively mature. Horizontal shaft mixers have the advantages of strong site adaptability, high construction efficiency, and uniform mixing. However, the mixing depth of horizontal shaft mixers is generally no more than 10 meters, and they can only perform in-situ mixing and reinforcement of shallow soft soil, making it difficult to meet the solidification requirements of various soil layers. For example, CN212534056U discloses a mixing device for solidifying soft foundations, which includes an extension arm, a power housing, a grout delivery pipe, at least one mixing wheel drive mechanism, and at least one mixing wheel. The power housing is connected to the lower end of the extension arm. Each mixing wheel drive mechanism is fixedly installed in the power housing. The mixing wheel is driven by the power output end of the corresponding mixing wheel drive mechanism. The mixing wheel includes a mixing wheel housing and a slurry distribution pipeline. The mixing wheel housing is driven by the power output end of the corresponding mixing wheel drive mechanism. The grout delivery pipe is fixedly installed in the extension arm. The slurry distribution pipeline is located in the mixing wheel housing. The slurry distribution pipeline has multiple lateral slurry outlets. Multiple lateral slurry spraying ports are provided on the side of the mixing wheel housing. The number of lateral slurry spraying ports and lateral slurry outlets are the same and they are connected one-to-one.

[0005] In summary, existing mixing equipment using a single horizontal or vertical shaft mixer suffers from low mixing efficiency; unidirectional blade rotation mixing also results in poor mixing quality. Therefore, there is an urgent need to design a novel device capable of simultaneously performing horizontal and vertical shaft mixing using a cross-mixing mode to overcome these shortcomings and improve mixing quality and efficiency. Summary of the Invention

[0006] The purpose of this invention is to overcome the shortcomings of the existing technology and to design a rotary horizontal shaft cross mixing device. Through the bidirectional cross rotation of the mixing device and the rotation of the agitator rod, the curing agent and soft soil are efficiently and fully mixed, improving the uniformity of the mixture between the curing agent and soft soil. This provides a high-quality and efficient automated device for projects such as soft soil reinforcement and contaminated soil remediation.

[0007] To achieve the above objectives, the main structure of the rotary horizontal shaft cross-stirring device of the present invention includes a motor, a flange, a stirrer support rod, a curing agent storage device, an upper rotating device, a stirrer rotor, an upper shell of the stirrer body, a lower shell of the stirrer body, a curing agent tube, a main rotating shaft, a stirring wheel assembly, a cross-rotating gear assembly, and a planetary gear assembly. The motor is connected to the stirrer support rod via the flange, and the flange is fixed to the stirrer support rod with screws. The curing agent storage device, the upper rotating device, the planetary gear assembly, and the stirrer rotor are installed sequentially from top to bottom on the stirrer support rod, with the curing agent storage device located below the flange. The stirrer rotor is connected to the upper shell of the stirrer body with screws. The main rotating shaft is connected to the motor and passes through the upper rotating device, the planetary gear assembly, and the stirrer rotor. The stirring wheel assembly is mounted on the cross-rotating gear assembly. The upper shell and the lower shell of the stirrer body form the stirrer body housing, and the stirring wheel assembly is sealed to the stirrer body housing by a sealing ring. The cross-rotating gear assembly drives the stirring wheel assembly to rotate cross-rotate.

[0008] As a further technical solution of the present invention, the upper end of the stirrer support rod is provided with a sealing groove, the lower end is provided with two rotating wheels evenly arranged in the circumferential direction, and the inner side of the bottom end of the stirrer support rod is provided with a planetary gear mounting groove for the planetary gear assembly.

[0009] As a further technical solution of the present invention, the curing agent storage device includes an upper cover, a rotating ring, and a side cover; two symmetrically arranged curing agent tubes extend from the upper cover of the curing agent storage device and extend from the rotating ring below, extending downward through the support frame on the upper rotating device to the lower part of the stirrer rotor near the stirring wheel assembly; the rotating ring is mounted on the stirrer support rod through the side cover; the upper rotating device is connected to the stirrer rotor by screws; the curing agent storage device prevents the curing agent tubes from winding around when the stirrer rotor and the upper rotating device rotate.

[0010] As a further technical solution of the present invention, a bevel gear is provided at the bottom end of the main rotating shaft.

[0011] As a further technical solution of the present invention, the stirring wheel assembly consists of a first stirring wheel, a second stirring wheel, a third stirring wheel, and a fourth stirring wheel, wherein the first and fourth stirring wheels have the same structure, and the second and third stirring wheels have the same structure; the first and fourth stirring wheels are installed at both ends of a first rotating shaft, the second stirring wheel is installed on a second rotating shaft, and the third stirring wheel is installed on a third rotating shaft, and the rotation of the rotating shaft drives the four stirring wheels to work; the first stirring wheel has a first stirring tooth, the second stirring wheel has a second stirring tooth, the third stirring wheel has a third stirring tooth, and the fourth stirring wheel has a fourth stirring tooth; the number of stirring teeth is set according to actual needs; the first and second stirring wheels, the third and fourth stirring wheels, the second stirring wheel and the main body housing of the stirrer, and the third stirring wheel and the main body housing of the stirrer are all sealed by sealing rings.

[0012] As a further technical solution of the present invention, the cross-rotating gear assembly includes a first rotating shaft, a second rotating shaft, a third rotating shaft, a first gear, a second gear, a third gear, a fourth gear, a fifth gear, a sixth gear, and a seventh gear; the first gear and the second gear are mounted at both ends of the connecting shaft, the first gear contacts the bevel gear and the seventh gear respectively, and the second gear contacts the sixth gear; the first rotating shaft and the fourth gear are integrated, the second rotating shaft and the third gear are integrated, the third rotating shaft and the fifth gear are integrated, and the first rotating shaft passes through the second rotating shaft and the third rotating shaft; all gears and rotating shafts are mounted on a gear frame, and the gear frame is mounted on the lower shell of the stirrer body by screws.

[0013] As a further technical solution of the present invention, the planetary gear assembly consists of a central gear, planetary gears, a planetary carrier, a drive connecting rod, and a drive wheel; the planetary carrier is installed in the planetary gear mounting groove, the drive wheel is fixedly installed in the stirrer rotating rod, and the planetary gears are connected to the drive wheel through the drive connecting rod.

[0014] Compared with the prior art, the present invention has the following advantages: a rotating horizontal shaft cross stirring device has four rotating wheels, each with a stirring tooth, and the stirring wheels rotate in a cross manner. While realizing the cross-rotation stirring of the four stirring wheels, the main body of the stirrer can also realize the multiple functions of circumferential rotation. Compared with the existing single-structure stirrers, this structure can significantly improve the stirring efficiency and stirring quality. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the main structure of the rotary horizontal shaft cross stirring device described in this invention.

[0016] Figure 2 This is a schematic diagram illustrating the structural principle of the curing agent storage device described in this invention.

[0017] Figure 3 This is a schematic diagram illustrating the structural principle of the stirrer support rod described in this invention.

[0018] Figure 4 This is a schematic diagram illustrating the structural principle of the upper rotating device described in this invention.

[0019] Figure 5 This is a schematic diagram illustrating the structural principle of the stirrer rotor described in this invention.

[0020] Figure 6 This is a schematic diagram illustrating the structural principle of the planetary gear assembly described in this invention.

[0021] Figure 7This is a schematic diagram of the structural principle of the cross-rotating gear assembly described in this invention, wherein (a) is a front view of the cross-rotating gear assembly, (b) is a back view of the cross-rotating gear assembly, and (c) is a schematic diagram of the cross-rotating gear assembly installed on the lower shell of the stirrer body.

[0022] Figure 8 This is a schematic diagram illustrating the structural principle of a local detail described in this invention.

[0023] Figure 9 This is a schematic diagram illustrating the structural principle of the stirring wheel assembly described in this invention.

[0024] Figure 10 This is a schematic diagram illustrating the structural principle of the sealing between the stirring wheel and the upper and lower shells of the stirrer body according to the present invention.

[0025] Figure 11 The diagram shows the structural principle of the stirring wheel described in this invention. (a) is the first stirring wheel, and (b) is the second stirring wheel.

[0026] Figure 12 This is a schematic diagram illustrating the structural principle of the sealing ring described in this invention.

[0027] Figure 13 This is a diagram showing the simultaneous rotation of the main rotating shaft and the stirring wheel in the fluid, as described in Embodiment 2 of the present invention.

[0028] Figure 14 This is a diagram showing the working condition of the main rotating shaft rotating and the stirring wheel not rotating in Embodiment 2 of the present invention.

[0029] Figure 15 This is a diagram illustrating the mixing and dispersion effect of the main rotating shaft and stirring wheel on the target particles in Embodiment 2 of the present invention.

[0030] Figure 16 This is a diagram illustrating the mixing and dispersion effect of the target particles when the main rotating shaft rotates but the stirring wheel does not rotate, as shown in Embodiment 2 of the present invention.

[0031] Figure 17 This is a particle dispersion diagram of each region at time 2s in Embodiment 2 of the present invention. Detailed Implementation

[0032] The present invention will be further described below with reference to the embodiments and accompanying drawings.

[0033] Example 1:

[0034] like Figure 1-12As shown, the main structure of the rotary horizontal shaft cross-stirring device described in this embodiment includes a motor 1, a flange 2, a stirrer support rod 3, a curing agent storage device 4, an upper rotating device 5, a stirrer rotating rod 6, an upper shell 71 of the stirrer body, a lower shell 72 of the stirrer body, a curing agent tube 8, a main rotating shaft 9, a stirring wheel assembly 10, a cross-rotating gear assembly 11, and a planetary gear assembly 12; the motor 1 is connected to the stirrer support rod 3 through the flange 2, and the flange 2 is fixed to the stirrer support rod 3 by screws; the curing agent storage device 4 and the upper rotating device are installed sequentially from top to bottom on the stirrer support rod 3. 5. Planetary gear assembly 12 and stirrer rod 6, and curing agent storage device 4 are located below flange 2; stirrer rod 6 is connected to stirrer body upper shell 71 by screws; main rotating shaft 9 is connected to motor 1 and passes through upper rotating device 5, planetary gear assembly 12 and stirrer rod 6; stirring wheel assembly 10 is mounted on cross rotating gear assembly 11, stirrer body upper shell 71 and stirrer body lower shell 72 form stirrer body shell, stirring wheel assembly 10 and stirrer body shell are sealed by sealing ring 17; cross rotating gear assembly 11 drives stirring wheel assembly 10 to rotate crosswise.

[0035] Specifically, the upper end of the stirrer support rod 3 has a sealing groove 31, and the lower end has two evenly arranged rotating wheels 32 along the circumference. The inner side of the bottom end of the stirrer support rod 3 has a planetary gear mounting groove 33 for the planetary gear assembly 12.

[0036] Specifically, the curing agent storage device 4 includes an upper cover 41, a rotating ring 42, and a side cover 43; two symmetrically arranged curing agent tubes 8 extend from the upper cover 41 of the curing agent storage device 4 and extend from the rotating ring 42 below, extending downward through the support frame on the upper rotating device 5 to the lower part of the stirrer rod 6 near the stirring wheel assembly 10; the rotating ring 42 is mounted on the stirrer support rod 3 through the side cover 43; the upper rotating device 5 and the stirrer rod 6 are connected by screws; the curing agent storage device 4 prevents the curing agent tubes from winding around when the stirrer rod 6 and the upper rotating device 5 rotate.

[0037] Specifically, the stirring wheel assembly 10 consists of a first stirring wheel 101, a second stirring wheel 102, a third stirring wheel 103, and a fourth stirring wheel 104. The first stirring wheel 101 and the fourth stirring wheel 104 have identical structures, as do the second stirring wheel 102 and the third stirring wheel 103. The first stirring wheel 101 and the fourth stirring wheel 104 are mounted at both ends of a first rotating shaft 111, the second stirring wheel 102 is mounted on a second rotating shaft 112, and the third stirring wheel 103 is mounted on a third rotating shaft 113. The rotation of the shafts drives the four stirring wheels... The stirring wheels are in operation; the first stirring wheel 101 has a first stirring tooth 1001, the second stirring wheel 102 has a second stirring tooth 1002, the third stirring wheel 103 has a third stirring tooth 1003, and the fourth stirring wheel 104 has a fourth stirring tooth 1004; the first stirring wheel 101 and the second stirring wheel 102, the third stirring wheel 103 and the fourth stirring wheel 104, the second stirring wheel 102 and the main body shell of the stirrer, and the third stirring wheel 103 and the main body shell of the stirrer are all sealed by sealing rings 17.

[0038] Specifically, the cross-rotating gear assembly 11 includes a first rotating shaft 111, a second rotating shaft 112, a third rotating shaft 113, a first gear 114, a second gear 115, a third gear 116, a fourth gear 117, a fifth gear 118, a sixth gear 119, and a seventh gear 1110. The first gear 114 and the second gear 115 are mounted at both ends of the connecting shaft 13. The first gear 114 contacts the bevel gear 91 and the seventh gear 1110 respectively, and the second gear 115 contacts the sixth gear 119. The first rotating shaft 111 is integrated with the fourth gear 117, the second rotating shaft 112 with the third gear 116, and the third rotating shaft 113 with the fifth gear 118. The first rotating shaft 111 passes through the second rotating shaft 112 and the third rotating shaft 113. All gears and rotating shafts are mounted on a gear holder 1111, which is mounted on the lower shell 72 of the stirrer body by screws. During operation... Motor 1 drives the main rotating shaft 9 to rotate. The bevel gear 91 on the main rotating shaft 9 drives the first gear 114 to rotate, which in turn drives the fourth gear 117 connected to the first rotating shaft 111 to rotate. Therefore, the first rotating shaft 111 rotates, so the first stirring wheel 101 and the fourth stirring wheel 104 rotate in the same direction. When the first gear 114 rotates, it drives the seventh gear 1110 to rotate, which in turn drives the third gear 116 to rotate. Therefore, the second rotating shaft 112 rotates, so the second stirring wheel 102 rotates. The rotation of the first gear 114 drives the second gear 115 to rotate through the connecting shaft 13, which in turn drives the sixth gear 119 to rotate, which in turn drives the fifth gear 118 to rotate. Therefore, the third rotating shaft 113 rotates, so the third stirring wheel 103 rotates. Since the gear structure and transmission ratio are set in the same way, the second stirring wheel 102 and the third stirring wheel 103 rotate in the same direction and speed. Finally, the cross rotation of the four stirring wheels is achieved.

[0039] Specifically, the planetary gear assembly 12 consists of a central gear 121, planetary gears 122, a planetary carrier 123, a drive link 124, and a drive wheel 125. The planetary carrier 123 is installed in the planetary gear mounting slot 33, and the drive wheel 125 is fixedly installed in the stirrer rotating rod 6. The planetary gears 122 are connected to the drive wheel 125 through the drive link 124. When the main rotating shaft 9 rotates, the central gear 121 on the main rotating shaft 9 rotates. The rotation of the central gear 121 drives the planetary gears 122 to rotate around the central gear. The planetary gears 122 drive the drive wheel 125 to rotate through the drive link 124, thereby realizing the rotation of the stirrer rotating rod 6, thus making the stirrer rotate circumferentially.

[0040] When the rotary horizontal shaft cross-stirring device described in this embodiment is working, the curing agent enters the curing agent storage device 4 through the curing agent pipe 8 above the upper cover 41, and is connected to the upper rotating device 5 through the curing agent pipe 8 below the rotating ring 42. Then, it comes out from both sides of the stirrer rotating rod 6 until it reaches the outlet near the rotating wheel assembly 10, where the curing agent flows out, thus achieving the curing function.

[0041] Example 2:

[0042] This embodiment uses the rotary horizontal shaft cross stirring device described in Embodiment 1 to conduct a numerical simulation experiment. The specific process is as follows:

[0043] (1) Rigid body stage: First, install and connect each gear of the cross rotating gear assembly 11 with the corresponding rotating shaft, connecting shaft and stirring wheel assembly 10, and set the motor 1 to be fixedly connected to the ground, the main rotating shaft 9 to be rotatably connected to the main body shell of the stirrer relative to the ground, the planetary gear assembly and each gear of the cross rotating gear assembly 11 to be rotatably connected to the main body shell of the stirrer, the first gear 114 and the second gear 115 to be fixedly connected to the connecting shaft 13, each stirring wheel to be fixedly connected to the gear that drives its rotation, and the semi-enclosed box used for the test to be fixedly connected to the ground; the contact form between the interconnected gears is set to Hertz contact, the drive speed is set for the main rotating shaft 9, the output speed of the first stirring wheel 101 is controlled to reach 70 rad / s, the resolution time is set to 2s, and the initial time step is set to the default value 1e-6s;

[0044] (2) Fluid Stage: In the fluid software Particleworks, each part is set as a Polygon boundary, and the fluid property is defined as Fluid. Its main performance parameters are set as follows: density 1501.6 kg / m³ 3 The kinematic viscosity is 1.5e-3m. 2 / s, solid particle properties are defined as Powder, solid particle count is defined as 16450, and density is set to the default value of 1000 kg / m³. 3When setting the fluid level, to more intuitively display the flow field characteristics, the fluid level height was set to 112mm above the center of the stirring wheel, and the particle diameter and solid particle diameter were set to 6mm and 10mm respectively. Considering the influence of gravity on the fluid, the gravitational acceleration was defined as -9.8m / s² in the y-axis direction. The pressure model was implicit, the viscosity model was explicit, the influence of air on the flow field was ignored, the surface tension model Potential was selected, the analysis end time was set to 2s, the initial time step was 1e-4s, the output file interval and torque output interval were 0.01s, the Corun number was set to the default value of 0.2 and the restriction item was checked.

[0045] This embodiment illustrates the simultaneous rotation of the main rotating shaft and the stirring wheel of the rotary horizontal shaft cross-stirring device in a fluid, as shown in the diagram below. Figure 13 As shown, the output speed of the main rotating shaft is 80 r / min. Figure 14 In the case where only the main rotating shaft rotates and the stirring wheel does not rotate, the output speed of the main rotating shaft is also controlled at 80 r / min; in comparison... Figure 13 and Figure 14 When the main rotating shaft and the stirring impellers rotate simultaneously, the resistance torque of the main rotating shaft and each stirring impeller gradually increases from zero. During this increase, due to the turbulent flow field, abrupt changes in resistance torque occur, resulting in a periodic fluctuation throughout the stirring process. Figure 14 The stirring impeller has no independent degrees of freedom; therefore, the load on the impeller remains relatively stable during its rotation cycle. Figure 13 The servo rotation of the agitator wheel results in a strong servo load in its torque during the rotation cycle;

[0046] To evaluate the mixing and dispersion effect of the stirring device on the target particles, this embodiment divides the stirring container into four quadrants along the top-view direction, such as... Figure 15 , Figure 16 As shown, the particle dispersion in each region at time 2s is extracted simultaneously. Figure 17 As shown (the dispersion is calculated by dividing the number of particles in each quadrant by the total number of particles), the maximum dispersion distribution deviation of particles in each quadrant of the rotating device described in this embodiment is about 3.4%, while the maximum dispersion distribution deviation of particles in each quadrant of the traditional single-shaft rotating structure is 9.4%. That is, within the same rotation speed and the same stirring duration, the rotating device described in this embodiment can improve the particle dispersion by more than 6%.

[0047] Component structures, connection relationships, software, and algorithms not described in detail in this article are all general technologies in this field.

[0048] While the specific embodiments of the present invention have been described in detail above, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention, and modifications or variations without creative effort are still within the protection scope of the present invention.

Claims

1. A rotary horizontal shaft cross-stirring device, characterized in that, The device includes a motor, flange, stirrer support rod, curing agent storage device, upper rotating device, stirrer rotor, upper shell of stirrer body, lower shell of stirrer body, curing agent tube, main rotating shaft, stirring wheel assembly, cross rotating gear assembly, and planetary gear assembly. The motor is connected to the stirrer support rod via a flange, which is fixed to the stirrer support rod with screws. The curing agent storage device, upper rotating device, planetary gear assembly, and stirrer rotor are sequentially mounted on the stirrer support rod from top to bottom, with the curing agent storage device located below the flange. The stirrer rotor is connected to the upper shell of the stirrer body with screws. The main rotating shaft is connected to the motor and passes through the upper rotating device, planetary gear assembly, and stirrer rotor; a bevel gear is located at the bottom of the main rotating shaft. The stirring wheel assembly is mounted on the cross rotating gear assembly. The upper shell and lower shell of the stirrer body form the stirrer body housing, and the stirring wheel assembly is sealed to the stirrer body housing by a sealing ring. The cross rotating gear assembly drives the stirring wheel assembly to rotate crosswise. The curing agent storage device includes a top cover, a rotating ring, and a side cover; two symmetrically arranged curing agent tubes extend from the top cover of the curing agent storage device and extend from the rotating ring below, extending downwards through a support frame on the upper rotating device to the lower part of the stirrer rotor near the stirring wheel assembly; the rotating ring is mounted on the stirrer support rod through the side cover; the upper rotating device is connected to the stirrer rotor by screws; the curing agent storage device prevents the curing agent tubes from winding around when the stirrer rotor and the upper rotating device rotate. The stirring wheel assembly consists of a first stirring wheel, a second stirring wheel, a third stirring wheel, and a fourth stirring wheel. The first and fourth stirring wheels are installed at both ends of a first rotating shaft, the second stirring wheel is installed on a second rotating shaft, and the third stirring wheel is installed on a third rotating shaft. The rotation of the rotating shaft drives the four stirring wheels to work. The cross-rotating gear assembly includes a first rotating shaft, a second rotating shaft, a third rotating shaft, a first gear, a second gear, a third gear, a fourth gear, a fifth gear, a sixth gear, and a seventh gear. The first gear and the second gear are mounted at both ends of the connecting shaft. The first gear contacts the bevel gear and the seventh gear, respectively, and the second gear contacts the sixth gear. The first rotating shaft and the fourth gear are integrated, the second rotating shaft and the third gear are integrated, and the third rotating shaft and the fifth gear are integrated. The first rotating shaft passes through the second rotating shaft and the third rotating shaft. All gears and rotating shafts are mounted on a gear frame, which is mounted on the lower shell of the agitator body with screws.

2. The rotary horizontal shaft cross-stirring device according to claim 1, characterized in that, The upper end of the stirrer support rod has a sealing groove, and the lower end has two evenly spaced rotating wheels. The inner side of the bottom end of the stirrer support rod has a planetary gear mounting groove for the planetary gear assembly.

3. The rotary horizontal shaft cross-stirring device according to claim 1, characterized in that, The first and fourth stirring wheels have the same structure, and the second and third stirring wheels have the same structure. The first stirring wheel has a first stirring tooth, the second stirring wheel has a second stirring tooth, the third stirring wheel has a third stirring tooth, and the fourth stirring wheel has a fourth stirring tooth. The number of stirring teeth is set according to actual needs. The first and second stirring wheels, the third and fourth stirring wheels, the second stirring wheel and the main body of the stirrer, and the third stirring wheel and the main body of the stirrer are all sealed by sealing rings.

4. The rotary horizontal shaft cross-stirring device according to claim 1, characterized in that, The planetary gear assembly consists of a central gear, planetary gears, a planetary carrier, a drive linkage, and a drive wheel; the planetary carrier is installed in the planetary gear mounting slot, the drive wheel is fixedly installed in the stirrer rotor, and the planetary gears are connected to the drive wheel through the drive linkage.

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