Concrete stirring device for bridge construction
By designing a concrete mixing device for bridge construction with variable diameter section and discharge opening and door components, the problems of poor mixing uniformity and conveying blockage are solved, and efficient, uniform and smooth concrete mixing are achieved.
Patent Information
- Application Number
- CN202422103941.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-29
- Publication Date
- 2025-08-29
- Estimated Expiration
- 2034-08-29
AI Technical Summary
The existing concrete mixing device for bridge construction has problems such as poor mixing uniformity and easy blockage in transportation.
A concrete mixing device including a frame, a hopper, a mixing motor, a left spiral ring piece and a right spiral ring piece is designed. By setting a variable diameter section and a discharge opening and closing door assembly, the high-speed downward movement and controllable discharge of concrete are achieved, combined with a vibrating motor, reducing adhesion, and improving conveying efficiency and smoothness.
It realizes uniform stirring and efficient conveying of concrete, solves the problems of poor stirring uniformity and conveying blockage, and improves the conveying efficiency and fluency.
Smart Images
Figure CN223278232U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bridge construction, in particular to a concrete mixing device for bridge construction. Background Art
[0002] During the construction of bridges, a large amount of concrete is often required. During the production of concrete, a concrete mixing device is often required to assist in the production. The concrete mixing devices in the prior art have problems such as poor mixing uniformity and easy blockage in transportation.
[0003] Therefore, there is an urgent need to develop a concrete mixing device for bridge construction that has high conveying efficiency, good mixing uniformity and smooth conveying. Utility Model Content
[0004] Therefore, the utility model provides a concrete mixing device for bridge construction to solve the above-mentioned problems in the prior art.
[0005] In order to achieve the above purpose, the present invention provides the following technical solutions:
[0006] According to the first aspect of the utility model, a concrete mixing device for bridge construction includes a frame, a hopper, a mixing motor, a mixing shaft, a left spiral ring piece, a right spiral ring piece, a connecting plate and a discharge port switch door assembly; the hopper is fixed on the frame, the upper part of the hopper is a constant diameter section, and the lower part of the hopper is a variable diameter section that gradually narrows from top to bottom; a discharge port is provided at the lower end of the variable diameter section of the hopper, and a discharge port switch door assembly is provided at the discharge port; a mixing motor is provided on the outer side surface of the constant diameter section of the hopper, and a mixing shaft is horizontally provided inside the constant diameter section of the hopper, the mixing shaft passes through the side wall of the hopper and is transmission-connected to the output shaft of the mixing motor, a left spiral ring piece is provided on the left side of the mixing shaft, and a right spiral ring piece is provided on the right side of the mixing shaft, the rotation direction of the left spiral ring piece is opposite to that of the right spiral ring piece, and the left spiral ring piece and the right spiral ring piece are respectively connected to the outer side wall of the mixing shaft through the connecting plate.
[0007] Furthermore, the discharge port switch door assembly includes a first side door, a second side door, an expansion cylinder and a drive gear; the side arm of the first side door is hinged to the outer side surface of the hopper, and the side arm of the second side door is hinged to the outer side surface of the hopper. The root of the side arm of the first side door and the root of the side arm of the second side door are both installed with drive gears, and the two drive gears are engaged for transmission. The fixed end of the expansion cylinder is hinged to the middle part of the side arm of the first side door, and the telescopic end of the expansion cylinder is hinged to the middle part of the side arm of the second side door.
[0008] Furthermore, the first side door and the second side door form a V-shaped opening and closing structure.
[0009] Furthermore, it also includes a vibration motor, and the two side walls below the variable diameter section of the hopper are respectively provided with a vibration motor.
[0010] Furthermore, the two vibration motors are symmetrically arranged.
[0011] Furthermore, the pitches of the left-hand spiral ring piece and the right-hand spiral ring piece are equal.
[0012] Furthermore, the frame is a frame structure formed by welding rectangular steel pipes.
[0013] Furthermore, it also includes a ladder, which is arranged on the outer side wall of the hopper, and the upper end of the ladder extends above the hopper feed port.
[0014] Furthermore, the left spiral ring piece and the right spiral ring piece are symmetrically arranged.
[0015] Furthermore, it also includes a controller, and the stirring motor, the vibration motor and the expansion cylinder are all electrically connected to the controller.
[0016] The utility model has the following advantages: through the concrete mixing device for bridge construction of the present application, the concrete can be transported to the center of the hopper during the mixing process, the high-speed downward movement of the concrete is achieved by setting the variable diameter section, and the controllable discharge of the concrete material is achieved by setting the discharge port switch door assembly. The device has high conveying efficiency, good mixing uniformity, and high conveying smoothness. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is an AA cross-sectional view of a concrete mixing device for bridge construction provided in some embodiments of the present invention.
[0018] Figure 2 This is a front view of a concrete mixing device for bridge construction provided in some embodiments of the present invention.
[0019] Figure 3 This is a side view of a concrete mixing device for bridge construction provided in some embodiments of the present invention.
[0020] Figure 4 This is a structural diagram of a mixer of a concrete mixing device for bridge construction provided in some embodiments of the present utility model.
[0021] Figure 5 This is a three-dimensional structural diagram of a concrete mixing device for bridge construction provided in some embodiments of the present utility model.
[0022] In the figure: 1. Frame, 2. Hopper, 3. Stirring motor, 4. Stirring shaft, 5. Left spiral ring, 6. Right spiral ring, 7. Connecting plate, 8. Vibrating motor, 9. First side door, 10. Second side door, 11. Ladder, 12. Expanding cylinder, 13. Driving gear. DETAILED DESCRIPTION
[0023] The following describes the implementation of the present invention through specific embodiments. Those skilled in the art can readily understand the other advantages and benefits of the present invention from the contents disclosed in this specification. Obviously, the embodiments described are only a portion of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.
[0024] Example 1
[0025] like Figures 1 to 5 As shown, a concrete mixing device for bridge construction in the embodiment of the first aspect of the present invention includes a frame 1, a hopper 2, a mixing motor 3, a mixing shaft 4, a left spiral ring piece 5, a right spiral ring piece 6, a connecting plate 7 and a discharge port switch door assembly; the hopper 2 is fixed on the frame 1, the upper part of the hopper 2 is a constant diameter section, and the lower part of the hopper 2 is a variable diameter section that gradually narrows from top to bottom; a discharge port is provided at the lower end of the variable diameter section of the hopper 2, and a discharge port switch door assembly is provided at the discharge port; a mixing motor 3 is provided on the outer side of the constant diameter section of the hopper 2, and a mixing shaft 4 is provided laterally inside the constant diameter section of the hopper 2, and the mixing shaft 4 passes through the side wall of the hopper 2 and is transmission-connected to the output shaft of the mixing motor 3, a left spiral ring piece 5 is sleeved on the left side of the mixing shaft 4, and a right spiral ring piece 6 is sleeved on the right side of the mixing shaft 4, the rotation direction of the left spiral ring piece 5 is opposite to that of the right spiral ring piece 6, and the left spiral ring piece 5 and the right spiral ring piece 6 are respectively connected to the outer side wall of the mixing shaft 4 through a connecting plate 7.
[0026] During processing, a gap is set between the inner spiral edges of the left spiral ring piece 5 and the right spiral ring piece 6 and the outer surface of the stirring shaft 4, and the connection between the left spiral ring piece 5 and the right spiral ring piece 6 and the outer surface of the stirring shaft 4 is achieved through the connecting plate 7.
[0027] In the above embodiment, it should be noted that, when in use, the unmixed concrete material is fed through the feed port at the top of the hopper 2, and then the mixing motor 3 is started, and the mixing motor 3 drives the mixing shaft 4 to rotate. At this time, the left spiral ring piece 5 and the right spiral ring piece 6 push the concrete toward the center of the hopper 2 while stirring the concrete, thereby achieving more uniform mixing of the concrete. After the concrete is evenly mixed, the discharge port switch door assembly is started to discharge the material through the bottom opening of the variable diameter section of the hopper 2.
[0028] The technical effect achieved by the above embodiments is: through a concrete mixing device for bridge construction of the present application, the concrete is transported to the center of the hopper during the mixing process, the high-speed downward movement of the concrete is achieved by setting a variable diameter section, and the controllable discharge of the concrete material is achieved by setting a discharge port switch door assembly. The device has high conveying efficiency, good mixing uniformity, and high conveying smoothness.
[0029] Example 2
[0030] like Figures 1 to 5 As shown, a concrete mixing device for bridge construction includes all the contents of Example 1. In addition, the discharge port switch door assembly includes a first side door 9, a second side door 10, an expansion cylinder 12 and a drive gear 13; the side arm of the first side door 9 is hinged to the outer side surface of the hopper 2, and the side arm of the second side door is hinged to the outer side surface of the hopper 2. The roots of the side arms of the first side door 9 and the roots of the side arms of the second side door 10 are both installed with drive gears 13, and the two drive gears 13 are engaged for transmission. The fixed end of the expansion cylinder 12 is hinged to the middle part of the side arm of the first side door 9, and the telescopic end of the expansion cylinder 12 is hinged to the middle part of the side arm of the second side door 10.
[0031] Optionally, the first side door 9 and the second side door 10 form a V-shaped opening and closing structure.
[0032] During operation, when the discharge port needs to be opened, the telescopic shaft of the expansion cylinder 12 is extended. At this time, driven by the two ends of the expansion cylinder 12, the first side door 9 and the second side door 10 are separated from each other, and under the limiting action of the driving gear 13 at the top ends of the first side door 9 and the second side door 10, the first side door 9 and the second side door 10 are rotated outward around the axis of the driving gear 13, thereby realizing the expansion operation between the lower ends of the first side door 9 and the second side door 10; when the discharge port needs to be closed, the telescopic shaft of the expansion cylinder 12 is retracted. At this time, driven by the two ends of the expansion cylinder 12, the first side door 9 and the second side door 10 are approached to each other, and under the limiting action of the driving gear 13 at the top ends of the first side door 9 and the second side door 10, the first side door 9 and the second side door 10 are rotated inward around the axis of the driving gear 13, thereby realizing the closing operation between the lower ends of the first side door 9 and the second side door 10.
[0033] The technical effect achieved by the above embodiment is: the discharge port opening and closing door assembly composed of the first side door 9, the second side door 10, the expansion cylinder 12 and the driving gear 13 realizes the rapid opening and closing operation of the discharge port of the hopper 2.
[0034] Example 3
[0035] like Figures 1 to 5 As shown, a concrete mixing device for bridge construction includes all the contents of Example 2, and in addition, also includes a vibration motor 8. The vibration motors 8 are respectively provided on the two side walls below the variable diameter section of the hopper 2.
[0036] Optionally, the two vibration motors 8 are symmetrically arranged.
[0037] The technical effect achieved by the above embodiment is: by providing the vibration motor 8, an auxiliary effect of material discharge is achieved, and adhesion between the concrete and the inner wall of the hopper 2 is reduced.
[0038] Example 4
[0039] like Figures 1 to 5 As shown, a concrete mixing device for bridge construction includes all the contents of Example 3, except that the pitches of the left spiral ring piece 5 and the right spiral ring piece 6 are equal.
[0040] Optionally, the left spiral ring piece 5 and the right spiral ring piece 6 are symmetrically arranged.
[0041] Optionally, the frame 1 is a frame structure formed by welding rectangular steel pipes.
[0042] The technical effects achieved by the above embodiment are as follows: by setting the pitch of the left spiral ring piece 5 and the right spiral ring piece 6 to be equal, the synchronization of the stirring of materials between the spiral ring pieces on both sides is maintained; by symmetrically arranging the left spiral ring piece 5 and the right spiral ring piece 6, the uniformity of material transportation is further enhanced; the frame 1 is welded with rectangular steel pipes, which enhances the strength and stability of the frame.
[0043] Example 5
[0044] like Figures 1 to 5 As shown, a concrete mixing device for bridge construction includes all the contents of Example 4, and in addition, also includes a ladder 11. The ladder 11 is set on the outer wall of the hopper 2, and the upper end of the ladder 11 extends above the feed port of the hopper 2.
[0045] Optionally, a controller is further included, and the stirring motor 3, the vibration motor 8 and the expansion cylinder 12 are all electrically connected to the controller.
[0046] The technical effects achieved by the above embodiment are: by providing the ladder 11, it is convenient for the operator to maintain the hopper 2; by providing the controller, the degree of automation of the device is improved.
[0047] In the description of the present invention, it should be understood that the terms "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0048] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.
[0049] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.
[0050] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and features of different embodiments or examples without contradiction.
[0051] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations on the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.
[0052] In the description of this specification, the descriptions with reference to the terms "Embodiment 1", "Embodiment 2", "Example", "Specific Example", or "Some Examples" mean that the specific method, device or feature described in conjunction with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, methods, devices or features described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples, unless they are contradictory.
[0053] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A concrete mixing device for bridge construction, characterized in that: The invention comprises a frame (1), a hopper (2), a stirring motor (3), a stirring shaft (4), a left spiral ring piece (5), a right spiral ring piece (6), a connecting plate (7) and a discharge port switch door assembly; the hopper (2) is fixed on the frame (1); the upper part of the hopper (2) is a constant diameter section; the lower part of the hopper (2) is a variable diameter section that gradually shrinks from top to bottom; a discharge port is provided at the lower end of the variable diameter section of the hopper (2); a discharge port switch door assembly is provided at the discharge port; a stirring motor (3) is provided on the outer side surface of the constant diameter section of the hopper (2) A stirring shaft (4) is transversely arranged inside the equal-diameter section of the hopper (2). The stirring shaft (4) passes through the side wall of the hopper (2) and is transmission-connected to the output shaft of the stirring motor (3). A left spiral ring piece (5) is sleeved on the left side of the stirring shaft (4), and a right spiral ring piece (6) is sleeved on the right side of the stirring shaft (4). The rotation direction of the left spiral ring piece (5) is opposite to that of the right spiral ring piece (6). The left spiral ring piece (5) and the right spiral ring piece (6) are respectively connected to the outer side wall of the stirring shaft (4) through a connecting plate (7).
2. A concrete mixing device for bridge construction according to claim 1, characterized in that: The discharge port switch door assembly comprises a first side door (9), a second side door (10), an expansion cylinder (12) and a driving gear (13); the side arm of the first side door (9) is hinged to the outer side surface of the hopper (2), the side arm of the second side door is hinged to the outer side surface of the hopper (2), the root of the side arm of the first side door (9) and the root of the side arm of the second side door (10) are both installed with a driving gear (13), the two driving gears (13) are engaged for transmission, the fixed end of the expansion cylinder (12) is hinged to the middle part of the side arm of the first side door (9), and the telescopic end of the expansion cylinder (12) is hinged to the middle part of the side arm of the second side door (10).
3. A concrete mixing device for bridge construction according to claim 2, characterized in that: The first side door (9) and the second side door (10) form a V-shaped opening and closing structure.
4. A concrete mixing device for bridge construction according to claim 2, characterized in that: It also includes a vibration motor (8), and the two side walls below the variable diameter section of the hopper (2) are respectively provided with a vibration motor (8).
5. A concrete mixing device for bridge construction according to claim 4, characterized in that: The two vibration motors (8) are symmetrically arranged.
6. A concrete mixing device for bridge construction according to claim 1, characterized in that: The pitches of the left spiral ring piece (5) and the right spiral ring piece (6) are equal.
7. A concrete mixing device for bridge construction according to claim 1, characterized in that: The frame (1) is a frame structure formed by welding rectangular steel pipes.
8. A concrete mixing device for bridge construction according to claim 1, characterized in that: The utility model also comprises a ladder (11), which is arranged on the outer side wall of the hopper (2), and the upper end of the ladder (11) extends above the feed port of the hopper (2).
9. A concrete mixing device for bridge construction according to claim 1, characterized in that: The left spiral ring piece (5) and the right spiral ring piece (6) are symmetrically arranged.
10. A concrete mixing device for bridge construction according to claim 4, characterized in that: The device also includes a controller, and the stirring motor (3), the vibration motor (8) and the expansion cylinder (12) are all electrically connected to the controller.