Slurry preparation stirring device for cast-in-place pile
By designing an adjustable stirring device, the problem of uneven stirring in the prior art is solved, efficient stirring in uneven soft and hard strata is achieved, and the quality and construction efficiency of the cast piles are improved.
Patent Information
- Application Number
- CN202421728415.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-22
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-07-22
AI Technical Summary
When the existing stirring device faces uneven soft and hard formations, it is impossible to achieve efficient and uniform stirring, resulting in poor quality of the cast piles and low construction efficiency. It is also inconvenient to adjust the movable connectors in real time when different formations.
A stirring device including a stirring rod, multiple stirring parts, movable connectors and movable bends is designed. The screw is driven to rotate through an electric rotator, and combined with the flexible adjustment of the movable connectors and bends, the position and angle adjustment of the stirring blades are realized to ensure uniformity and efficiency of stirring.
The efficiency and uniformity of stirring in uneven soft and hard formations is achieved, the quality and construction efficiency of cast-injected piles are improved, and the adaptability of the device to different formations is enhanced.
Smart Images
Figure CN223058031U_ABST
Abstract
Description
Technical Field
[0001] The present utility model relates to the technical field of construction engineering, and particularly relates to a slurry preparation and mixing device for cast-in-place piles. Background Art
[0002] As a common foundation engineering construction technology, cast-in-place piles are widely used in the fields of construction, bridges, ports, etc. During the construction process of cast-in-place piles, the quality of slurry preparation and mixing has a crucial impact on the forming quality and bearing capacity of cast-in-place piles. The purpose of slurry mixing is to fully mix raw materials such as cement, water, and additives to form slurry with specific properties.
[0003] However, when the existing mixing devices face strata with uneven hardness, they often show the shortcoming of being unable to effectively handle complex geology, which severely restricts the construction efficiency and quality of cast-in-place piles. For example, the upper part of the stratum is soft sandy soil, and the lower part is hard rock layer; when using traditional mixing devices, excessive mixing of the upper sandy soil and insufficient mixing of the lower rock layer will occur. Content of the Utility Model
[0004] Aiming at the deficiencies of the existing technology, the present utility model provides a slurry preparation and mixing device for cast-in-place piles, which solves the technical problems that the existing mixing devices cannot achieve efficient and uniform mixing when facing strata with uneven hardness, resulting in poor quality of cast-in-place piles and low construction efficiency, and it is not convenient to adjust the movable connectors in real time when facing different strata.
[0005] Technical solution: To achieve the above objectives, the present utility model is realized through the following technical solutions: A slurry preparation and mixing device for cast-in-place piles, comprising: a mixing rod; a plurality of mixing parts, which are stably connected to the mixing rod and are used for mixing the slurry. The mixing part includes a movable connecting piece, a plurality of movable bending pieces, and a plurality of mixing blades. The movable bending piece is composed of two connecting rods, and the two connecting rods are rotatably connected through a central shaft; wherein, one end of the movable bending piece is rotatably connected to the movable connecting piece, and the other end is rotatably connected to the mixing rod. The mixing blade is firmly connected to the movable bending piece. The movable connecting piece is slidably connected to the mixing rod, and the vertical center line of the mixing rod coincides with that of the movable connecting piece. The movable connecting piece is used to adjust the bending degree of the movable bending piece. Generally, the mixing rod is made of high-strength steel to ensure that it can withstand large torques and pressures during the mixing process; the number of mixing parts is set according to the length of the mixing rod and the actual mixing requirements, generally not less than three; the movable connecting piece is made of wear-resistant alloy material, and its surface is specially treated to reduce friction; the rotational connection between the two connecting rods of the movable bending piece is tight and flexible, the central shaft has good lubrication and sealing performance, and a limiting mechanism needs to be provided on the movable bending piece to limit the bending direction of the movable bending piece. A detection mechanism also needs to be provided on the mixing rod to detect the geology and send a wireless signal to the electric rotator.
[0006] In a further embodiment, a plurality of screws are rotatably connected inside the mixing rod, and the screws are respectively connected to a plurality of mixing parts; an electric rotator is firmly connected inside the mixing rod, and the electric rotator is stably connected to the screw and is used to drive the screw to rotate; wherein, in the corresponding screw and mixing part, the screw is threadedly connected to the movable connecting piece. The screw is manufactured by a high-precision thread manufacturing process to ensure precise cooperation with the movable connecting piece; the electric rotator has a stable speed control function and can adjust the speed according to different mixing requirements. The model of the electric rotator needs to be selected according to the actual requirements, and a wireless receiving mechanism also needs to be provided on the electric rotator.
[0007] In a further embodiment, a mounting piece is located directly above the mixing rod, and the mounting piece is rotatably and hermetically connected to the mixing rod. The mounting piece is used to externally connect a driving device. Generally, the mounting piece is made of cast iron or cast steel and has high strength and rigidity; the rotary seal uses a high-quality rubber sealing ring to ensure that no slurry leaks during the rotation process.
[0008] In a further embodiment, a driving motor is firmly connected directly above the mounting piece, and the output end of the driving motor is firmly connected to the mixing rod. The driving motor is selected as a high-power and high-efficiency motor, which has good overload protection and speed regulation functions. The specific model needs to be selected according to the actual requirements.
[0009] In a further embodiment, a material guiding groove is formed in the stirring rod for guiding the flow of the slurry. The inner wall of the material guiding groove is smooth to reduce the resistance of the slurry flow.
[0010] In a further embodiment, a plurality of feeding ports are formed in the stirring rod above the guiding groove, and the plurality of feeding ports communicate with the guiding groove. The number of the feeding ports is reasonably distributed according to the diameter and length of the stirring rod to ensure that the slurry can enter the material guiding groove quickly and evenly.
[0011] In a further embodiment, an annular groove is formed in the mounting member, and the annular groove communicates with the feeding port. The width and depth of the annular groove are designed according to the size of the feeding port and the slurry flow rate to ensure the smooth flow of the slurry.
[0012] In a further embodiment, a connection port is provided on the mounting member, and the connection port communicates with the annular groove. The connection port is used for externally connecting a slurry feeding device. The size and shape of the connection port match the output port of a common slurry feeding device, facilitating quick connection and disassembly.
[0013] In a further embodiment, the screw rod connected to the lower stirring part is slidably connected to the movable connecting part in the upper stirring part.
[0014] In a further embodiment, the movable bending part and the screw rod do not interfere with each other.
[0015] Advantageous effects: 1. The high efficiency and uniformity of stirring in the face of a stratum with uneven hardness are realized, ensuring the stable quality of the cast-in-place pile. The position of the movable connecting part of the stirring part can be flexibly changed, driving the movable bending part to adjust the angle, so that the stirring blades fully contact the slurry, and a plurality of stirring parts are distributed around the stirring rod to achieve all-round stirring.
[0016] 2. The movable connecting part can be conveniently and flexibly adjusted according to the stratum in real time. With the synergistic effect of structures such as an electric rotator, a screw rod, and a movable connecting part, the electric rotator drives the screw rod to rotate. Since the screw rod is threadedly connected to the movable connecting part, the movable connecting part slides on the stirring rod, thereby changing the bending degree of the movable bending part and realizing the adjustment of the stirring range of the stirring blades. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.
[0018] Figure 1 It is a structural schematic diagram of the present utility model.
[0019] Figure 2 is Figure 1 the main sectional structure schematic diagram of
[0020] Figure 3 is Figure 1 the side sectional structure schematic diagram of
[0021] Figure 4 is Figure 1 the top - down sectional structure schematic diagram of
[0022] Figure 5 is Figure 2 the structure schematic diagram at position A of
[0023] Figure 6 is Figure 3 the structure schematic diagram at position B of
[0024] The reference numerals in the figure are: 1, mounting member; 2, stirring rod; 3, drive motor; 4, stirring part; 401, movable connecting member; 402, movable bending member; 403, stirring blade; 5, electric rotator; 6, screw. Specific embodiments
[0025] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model are described clearly and completely. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the protection scope of the present utility model.
[0026] By providing a slurry - mixing and stirring device for cast - in - place piles in the embodiments of the present application, the technical problems that the existing stirring devices cannot achieve efficient and uniform stirring when facing unevenly hard and soft strata, and are not convenient for real - time adjustment of the movable connecting member when facing different strata are solved. In actual use, the efficiency and uniformity of stirring are achieved, and the movable connecting member can be adjusted conveniently and flexibly according to the strata in real time.
[0027] To better understand the above - mentioned technical solutions, the above - mentioned technical solutions will be described in detail below in conjunction with the accompanying drawings of the specification and specific embodiments.
[0028] Refer to Figures 1-6, A slurry preparation and mixing device for cast-in-place piles, comprising: a stirring rod 2; a plurality of stirring parts 4, which are stably connected to the stirring rod 2 and are used for mixing slurry. The stirring part 4 includes a movable connecting piece 401, a plurality of movable bending pieces 402 and a plurality of stirring blades 403. The movable bending piece 402 is composed of two connecting rods, and the two connecting rods are rotatably connected through a central axis; wherein, one end of the movable bending piece 402 is rotatably connected to the movable connecting piece 401, and the other end is rotatably connected to the stirring rod 2. The stirring blade 403 is firmly connected to the movable bending piece 402. The movable connecting piece 401 is slidably connected to the stirring rod 2, and the vertical center line of the stirring rod 2 coincides with that of the movable connecting piece 401. The movable connecting piece 401 is used to adjust the bending degree of the movable bending piece 402.
[0029] Through the mutual cooperation between the above structures, it is possible to flexibly adjust the position and angle of the stirring blade 403, thereby realizing the high efficiency and uniformity of mixing.
[0030] A plurality of screws 6 are rotatably connected inside the stirring rod 2, and the plurality of screws 6 are respectively connected to the plurality of stirring parts 4; an electric rotator 5 is firmly connected inside the stirring rod 2, and the electric rotator 5 is stably connected to the screw 6 and is used to drive the screw 6 to rotate; wherein, in the corresponding screw 6 and stirring part 4, the screw 6 is threadedly connected to the movable connecting piece 401.
[0031] Through the mutual cooperation between the above structures, it is possible to realize the real-time adjustment of the stirring part 4.
[0032] The mounting part 1 is located directly above the stirring rod 2, and the mounting part 1 is rotatably and sealedly connected to the stirring rod 2. The mounting part 1 is used for connecting an external driving device.
[0033] Through the mounting part 1, a stable connection between the external driving device and the stirring rod 2 can be realized, ensuring the effective transmission of power.
[0034] The driving motor 3 is firmly connected directly above the mounting part 1, and the output end of the driving motor 3 is firmly connected to the stirring rod 2.
[0035] By firmly connecting the driving motor 3 directly above the mounting part 1 and making its output end firmly connected to the stirring rod 2, a powerful and stable power can be provided for the stirring rod 2, ensuring that the stirring rod 2 can rotate at the required speed and torque during operation, thereby realizing efficient slurry mixing operation.
[0036] A material guiding groove is formed inside the stirring rod 2 for guiding the flow of slurry.
[0037] The material guiding groove formed inside the stirring rod 2 is specifically used to guide the flow of slurry.
[0038] A plurality of feeding ports are formed inside the stirring rod 2 above the guiding groove, and the plurality of feeding ports are all communicated with the guiding groove.
[0039] A plurality of feed ports are arranged in the stirring rod 2 above the diversion trough, and these feed ports are all communicated with the diversion trough; such a design enables the slurry to enter the diversion trough inside the stirring rod 2 from multiple positions simultaneously, accelerating the feeding speed, improving the working efficiency, and ensuring the uniform supply of the slurry.
[0040] An annular groove is formed in the mounting member 1, and the annular groove is communicated with the feed port.
[0041] The annular groove formed in the mounting member 1 is communicated with the feed port; so that the slurry entering from the feed port can first converge in the annular groove and then be evenly distributed to each feed port, further optimizing the feeding process of the slurry and ensuring the stability and uniformity of the feeding.
[0042] A connection port is provided on the mounting member 1, and the connection port is communicated with the annular groove. The connection port is used for externally connecting a slurry feeding device.
[0043] The connection port provided on the mounting member 1 is communicated with the annular groove, and this connection port is specifically used for externally connecting a slurry feeding device.
[0044] The screw rod 6 connected to the lower stirring part 4 is slidably connected to the movable connecting part 401 inside the upper stirring part 4.
[0045] Through the above connection method, when the screw rod 6 adjusts the lower stirring part 4, it can be avoided that the upper stirring part 4 is affected.
[0046] The movable bending part 402 and the screw rod 6 do not interfere with each other.
[0047] The movable bending part 402 will not interfere with the screw rod 6 during the working process; ensuring that the two can operate independently and stably, and ensuring the normal operation of the entire stirring device.
[0048] During use, during the construction of cast-in-place piles, first connect the external mud feeding equipment to the connection port on the mounting member 1; the mud enters the annular groove on the mounting member 1 through the connection port, and then is evenly distributed from the annular groove to the feeding port in the stirring rod 2; the feeding port communicates with the diversion groove, enabling the mud to flow along the diversion groove; the drive motor 3 is started, and its output drives the stirring rod 2 to rotate; a plurality of stirring parts 4 are provided on the stirring rod 2, and the movable connecting piece 401 in the stirring part 4 can slide along the stirring rod 2, and the bending degree of the movable bending piece 402 is adjusted by changing its position, so as to adjust the position and angle of the stirring blade 403, realizing efficient and uniform stirring of mud in different strata; the electric rotator 5 works to drive the screw 6 to rotate; since the screw 6 is threadedly connected to the movable connecting piece 401 of the stirring part 4, the rotation of the screw 6 realizes real-time adjustment of the stirring part 4; the screw 6 connected to the lower stirring part 4 is slidably connected to the movable connecting piece 401 in the upper stirring part 4, so that the adjustment of the lower stirring part 4 does not affect the upper stirring part 4; during the whole working process, the movable bending piece 402 and the screw 6 do not interfere with each other and operate independently and stably, ensuring the normal operation of the stirring device.
[0049] The above-mentioned mud feeding equipment, detection mechanism, wireless receiving mechanism, rubber sealing ring and other devices or structures are all prior arts and are non-essential technical features in this application, so they are not described and drawn in the documents and drawings of this application.
[0050] In summary, compared with the prior art, the following beneficial effects are achieved: First, it can flexibly adjust the position and angle of the stirring blade, thus ensuring the high efficiency and uniformity of stirring when facing strata with uneven hardness, and greatly improving the quality and construction efficiency of cast-in-place piles; Second, through the cooperation of the screw and the movable connecting piece, the stirring part can be adjusted in real time, enhancing the adaptability of the device to different working conditions.
[0051] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of another identical element in the process, method, article or device including the said element.
[0052] The above embodiments are only used to illustrate the technical solutions of the present utility model, rather than to limit it; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the present utility model in each embodiment.
Claims
1. A slurry preparation and mixing device for cast-in-place piles, characterized in that, Comprising: Stirring rod (2); A plurality of stirring parts (4), and the stirring parts (4) are stably connected to the stirring rod (2) for mud stirring. The stirring parts (4) include movable connectors (401), a plurality of movable bending parts (402) and a plurality of stirring blades (403). The movable bending parts (402) are composed of two connecting rods, and the two connecting rods are rotatably connected through a central axis; Wherein, one end of the movable bending part (402) is rotatably connected to the movable connector (401), and the other end is rotatably connected to the stirring rod (2). The stirring blade (403) is firmly connected to the movable bending part (402). The movable connector (401) is slidably connected to the stirring rod (2), and the vertical center line of the stirring rod (2) coincides with that of the movable connector (401). The movable connector (401) is used to adjust the bending degree of the movable bending part (402).
2. The slurry preparation and mixing device for cast-in-place piles according to claim 1, wherein, Further comprising: A plurality of screws (6), and the screws (6) are rotatably connected inside the stirring rod (2), and the plurality of screws are respectively connected to the plurality of stirring parts (4); An electric rotator (5) is firmly connected inside the stirring rod (2), and the electric rotator (5) is stably connected to the screw (6) for driving the screw (6) to rotate; Wherein, in the corresponding screw (6) and the stirring part (4), the screw (6) is threadedly connected to the movable connector (401).
3. The slurry preparation and mixing device for bored piles according to claim 1, characterized in that, Further comprising: A mounting member (1) is located directly above the stirring rod (2), and the mounting member (1) is rotatably and sealingly connected to the stirring rod (2). The mounting member (1) is used to externally connect a driving device.
4. A slurry preparation and mixing device for cast-in-place piles according to claim 1, characterized in that, Further comprising: A driving motor (3) is firmly connected directly above the mounting member (1), and the output end of the driving motor (3) is firmly connected to the stirring rod (2).
5. The slurry preparation and mixing device for cast-in-place piles according to claim 1, wherein: A material guiding groove is formed inside the stirring rod (2) for mud guiding.
6. The slurry preparation and mixing device for bored piles according to claim 1, characterized in that: A plurality of feeding ports are formed inside the stirring rod (2) above the guiding groove, and the plurality of feeding ports communicate with the guiding groove.
7. A slurry preparation and mixing device for cast-in-place piles according to claim 6, characterized in that: An annular groove is formed on the mounting member (1), and the annular groove communicates with the feeding port.
8. A slurry preparation and mixing device for cast-in-place piles according to claim 7, characterized in that: A connecting port is provided on the mounting member (1), and the connecting port communicates with the annular groove. The connecting port is used to externally connect a mud feeding device.
9. The slurry preparation and mixing device for cast-in-place piles according to claim 1, characterized in that: The screw (6) connected to the lower stirring part (4) is slidably connected to the movable connector (401) inside the upper stirring part (4).
10. The slurry preparation and mixing device for cast-in-place piles according to claim 2, wherein: The movable bending part (402) and the screw (6) do not interfere with each other.