A joint filling device for road and bridge construction

Abstract

This utility model discloses a joint-filling device for road and bridge construction, including a device base, a material box installed on the top of the device base, a discharge port installed at the bottom of the material box, and a mixing motor installed on the top of the material box. A hollow box is installed on the top of the device base. This joint-filling device for road and bridge construction, through optimized design, uses a single motor (i.e., a mixing motor) to achieve both mixing and cleaning functions. The mixing motor not only drives the mixing shaft inside the material box to rotate, preventing the joint-filling material from solidifying, but also drives the rotating rod A and gear one inside the hollow box to rotate via a drive assembly, thereby driving gear two and rotating rod B to rotate, causing the brush to start working and removing mud, sand, and impurities from the joints. This avoids the energy consumption problem of requiring two motors to drive the mixing and cleaning functions separately in comparative solutions, effectively saving electricity. It also reduces the number of wires, making the device more flexible during movement and free from the constraints of electrical wires.

Description

Technical Field

[0001] This utility model relates to the field of road and bridge construction technology, and in particular to a road and bridge construction joint filling device. Background Technology

[0002] In the construction of roads and bridges, joint sealing is a crucial step. Because roads and bridges are subject to various factors during use, such as vehicle loads, temperature changes, and humidity fluctuations, various cracks and gaps will develop. If these cracks and gaps are not sealed in a timely manner, they will seriously affect the structural stability and service life of the road or bridge. Therefore, specialized joint sealing devices are needed to perform joint sealing work to ensure the integrity and safety of the road or bridge.

[0003] The applicant's search revealed that the most commonly used existing joint filling devices are trolley-type devices, which can fill joints while moving. However, there is often a lot of dust and impurities in the ground joints, which may block and clog the joints. Directly applying the joint filler may be affected by the dust and impurities, thus affecting the effectiveness of the joint filler. Therefore, patent number CN220284567U discloses a joint filling device for road and bridge construction. The device uses a cleaning motor to drive a turntable to rotate, which in turn drives the cleaning brush at the bottom of the turntable to rotate. The cleaning brush comes into contact with the joint and sweeps away the impurities and dust in the joint to the outside, thereby ensuring the effectiveness of the subsequent joint filler.

[0004] However, the above solution still has certain shortcomings and room for improvement. First, the solution uses two motors to drive the sweeping, which makes the filling process very energy-intensive and also increases the number of related wires, affecting the movement of the device. Second, the sweeping brush is in continuous contact with the ground, which makes the brush prone to wear during transportation. If it is not installed beforehand, it is more troublesome to install the brush during operation.

[0005] Therefore, the applicant proposed a joint-filling device for road and bridge construction to solve the problem. Utility Model Content

[0006] This utility model provides a joint filling device for road and bridge construction, which solves the problems mentioned in the background.

[0007] To solve the above-mentioned technical problems, this utility model provides a road and bridge construction joint filling device, including a device base, a material box installed on the top of the device base, a material outlet installed at the bottom of the material box, and a mixing motor installed on the top of the material box. A hollow box is installed on the top of the device base, and a rotating rod A is installed inside the hollow box. A gear one is provided at the lower end of the rotating rod A, and gear two can mesh on both sides of the gear one. Gear two is rotatably installed inside the hollow box, and a brush is installed at the bottom of gear two, with the brush located at the bottom of the device base. The mixing motor is connected to the rotating rod A by a drive assembly. The drive assembly includes a pulley A rotatably mounted on the top of the loading box and a pulley B rotatably mounted on the top of the hollow box. The pulley B and pulley A are connected by a belt. The pulley A is passed through and fixedly connected by the shaft of the stirring motor. The pulley B is connected to the shaft of the rotating rod A.

[0008] Preferably, a protective shell is installed on the top of the loading box and the hollow box, covering pulley A and pulley B inside, and the belt passes through the opening of the protective shell, while the stirring motor is fixed to the top of the protective shell.

[0009] Preferably, three horizontal plates are installed inside the hollow box, and a bearing is installed in the circular opening at the center of each horizontal plate. Each bearing is passed through by a rotating rod A.

[0010] Preferably, the bottom surface of the horizontal plate at the lowest end is rotatably connected to the bottom of the hollow box, and a vertical rod is fixedly connected thereto. The screw is threadedly connected to the lifting plate, and the lifting plate is slidably connected by the vertical rod passing through it. At the same time, the lifting plate also slides on the inner wall of the hollow box.

[0011] Preferably, two rotating rods B are rotatably mounted on the bottom of the lifting plate. The rotating rods B pass through the hollow box and the device base and have a brush fixed at the bottom, while gear two is fixedly sleeved on the rotating rods B.

[0012] Preferably, a second bearing is installed in the circular opening through which the rotating rod B passes, and the second bearing is installed and connected by the rotating rod B.

[0013] Preferably, a vacuum cleaner is installed on the top of the device base between the filling box and the hollow box, and the suction port at the bottom of the vacuum cleaner passes through the device base and performs suction in the direction of the brush.

[0014] Compared with related technologies, the road and bridge construction joint filling device provided by this utility model has the following beneficial effects: 1. Energy-efficient and reduces interference from electrical wires: This bridge and road construction joint filling device, through optimized design, uses a single motor (i.e., a mixing motor) to achieve the dual functions of mixing and cleaning. The mixing motor not only drives the mixing shaft inside the loading box to rotate, preventing the filling material from solidifying, but also drives the rotating rod A and gear one inside the hollow box to rotate through the drive component, which in turn drives gear two and rotating rod B to rotate, so that the brush can start working and remove mud, sand and impurities from the gaps. This avoids the energy consumption problem of the comparative scheme, which requires two motors to drive the mixing and cleaning functions separately, effectively saving electricity. At the same time, it reduces the number of wires, making the device more flexible during movement and not restricted by wires.

[0015] 2. Protects the sweeping brush and extends its service life; The brush in this device is cleverly designed. The height of the brush can be controlled by adjusting the rotation of the screw, which drives the lifting plate and rotating rod B to move up and down. During routine transportation or when not in use, the brush can be raised to a non-working position, avoiding direct contact with the ground or other objects, effectively reducing wear and extending its service life. When grouting is required, the operator simply rotates the screw to lower the brush to the working position, allowing it to clean the crevices. This design not only protects the cleaning brush but also simplifies installation and disassembly, improving work efficiency. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the present invention. Figure 1 ; Figure 2 This is a schematic diagram of the overall three-dimensional structure of the present invention. Figure 2 ; Figure 3 This is a partial three-dimensional structural diagram of the present invention. Figure 1 ; Figure 4 This is a partial three-dimensional structural diagram of the present invention. Figure 2 ; Figure 5 This is a schematic diagram of the internal three-dimensional structure of the hollow box of this utility model.

[0017] The following are the labels in the diagram: 1. Device base; 2. Loading box; 21. Discharge port; 22. Stirring motor; 3. Hollow box; 31. Rotating rod A; 32. Gear 1; 33. Gear 2; 34. Brush; 35. Horizontal plate; 36. Bearing 1; 37. Lifting plate; 38. Screw; 310. Vertical rod; 311. Bearing 2; 4. Drive assembly; 41. Pulley A; 42. Pulley B; 43. Belt; 44. Protective shell; 5. Vacuum cleaner; 51. Suction port. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0019] Depend on Figures 1-5The present invention includes a device base 1, a loading box 2 mounted on the top of the device base 1, a discharge port 21 passing through the device base 1 mounted on the bottom of the loading box 2, and a stirring motor 22 mounted on the top of the loading box 2 for driving the internal stirring shaft. A hollow box 3 is mounted on the top of the device base 1, and a rotating rod A31 is mounted on the upper and lower ends inside the hollow box 3. A gear 32 is provided at the lower end of the rotating rod A31, and gears 33 can mesh on both sides of the gear 32. The gears 33 are rotatably mounted on the hollow box 3. Inside, a brush 34 is installed at the bottom of gear 2 33, and the brush 34 is located at the bottom of the device base 1. The stirring motor 22 is connected to the rotating rod A31 by a drive assembly 4. The drive assembly 4 includes a pulley A41 rotatably mounted on the top of the loading box 2 and a pulley B42 rotatably mounted on the top of the hollow box 3. The pulley B42 and the pulley A41 are connected by a belt 43. The pulley A41 is passed through and fixedly connected by the shaft of the stirring motor 22. The pulley B42 is connected to the rotating shaft of the rotating rod A31.

[0020] As described above, through the design of the drive component 4 and the internal structure of the hollow box 3, when performing the grouting work, the loading box 2 is filled with cement. Then, the device is moved to the designated position, the discharge port 21 is aligned with the gap, and the solenoid valve of the discharge port 21 is opened (as per existing design, not shown in the figure) to discharge the cement for grouting. Then, the device is pushed to move, and the stirring motor 22 is started to drive the stirring shaft inside the loading box 2 to stir (as per existing design, not shown in the figure) to prevent the cement from solidifying. Simultaneously, the part of the shaft of the stirring motor 22 that is exposed in the loading box 2 drives the pulley A41 to rotate, and then drives the pulley B42 to rotate through the belt 43. This causes the rotating rod A31 and the gear 1 32 to rotate. At this time, the gear 1 32 meshes with the gear 2 33 on both sides, which causes the brush 34 to rotate. The brush 34 is located in front of the moving discharge port 21, which can remove the mud and sand from the gap and improve the stability of the grouting work. Note that the diameter of the pulley A41 is larger than that of the pulley B42 to meet the speed requirements of the brush 34.

[0021] A protective shell 44 is installed on the top of the loading box 2 and the hollow box 3, covering pulleys A41 and B42 inside. The belt 43 passes through the opening of the protective shell 44. At the same time, the stirring motor 22 is fixed to the top of the protective shell 44. The shaft of the stirring motor 22 passes through pulley A41 for fixed connection. The shaft penetrates deep into the inside of the loading box 2 to connect with the stirring shaft. This will not be described in detail here.

[0022] As described above, the protective shell 44 can effectively protect pulleys A41 and B42, providing excellent safety.

[0023] The hollow box 3 has three horizontal plates 35 installed inside. Bearing 36 is installed in the round opening at the center of the horizontal plate 35. The bearing 36 is installed and connected by the rotating rod A31.

[0024] As mentioned above, in order to meet the height requirements, the rotating rod A31 is designed to be relatively long, which inevitably leads to instability during rotation. Therefore, three horizontal plates 35 and bearing 36 provide additional support points for the rotating rod A31 to prevent it from loosening or shifting during operation, thereby ensuring the stable rotation of the rotating rod A31.

[0025] The bottom surface of the horizontal plate 35 at the bottom end is rotatably connected to the bottom of the hollow box 3 by a screw 38, and a vertical rod 310 is fixedly connected to it. The screw 38 is threadedly connected to the lifting plate 37, and the lifting plate 37 is slidably connected by the vertical rod 310. At the same time, the lifting plate 37 also slides on the inner wall of the hollow box 3. Two rotating rods B39 are rotatably installed at the bottom of the lifting plate 37. The rotating rods B39 pass through the hollow box 3 and the device base 1, and the bottom is fixed with a brush 34. The gear 2 33 is fixedly sleeved on the rotating rods B39.

[0026] As described above, by designing the screw 38, lifting plate 37, and rotating rod B39, in normal operation, gear 2 33 is located above gear 1 32. This means that during daily transportation or when idle, the brush 34 will not come into contact with the ground or other objects, thereby avoiding unnecessary wear and extending the service life of the brush. When grouting is required, the operator can adjust the rotation of the screw 38 to drive the lifting plate 37 to slide on the vertical rod 310, and drive the rotating rod B39 and the brush 34 at its bottom to descend to the working position. During this process, gear 23 descends along with rotating rod B39 until it meshes with gear 132. At this point, stirring motor 22 starts and drives rotating rod A31 and gear 132 to rotate via drive assembly 4, which in turn drives gear 23 and rotating rod B39 to rotate, causing brush 34 to start working and remove mud and sand from the gaps. In addition, this design allows the height of brush 34 to be adjusted according to actual needs to adapt to gaps of different depths or different working environments. Operators can easily adjust the height of the brush by simply rotating screw 38, meaning that partial meshing of gear 23 and gear 132 is also possible.

[0027] Bearing 311 is installed in the circular opening through which the rotating rod B39 passes by the device base 1, and bearing 311 is installed and connected by the rotating rod B39.

[0028] As described above, the bearing 311 installed in the circular opening through which the rotating rod B39 passes in the device base 1 not only provides stable support for the rotating rod B39, but also ensures its smoothness during rotation, reduces friction and wear, and further extends the service life of the equipment. Note that the rotating rod B39 moves up and down inside the bearing 311.

[0029] A vacuum cleaner 5 is installed on the top of the device base 1 between the material box 2 and the hollow box 3. The suction port 51 at the bottom of the vacuum cleaner 5 passes through the device base 1 and performs suction in the direction of the brush 34.

[0030] As described above, while the brush 34 removes dirt and sand from the gaps, the vacuum cleaner 5 is activated. Through the suction port 51, it can immediately suck up the dust and fine particles that are raised, keeping the work area clean and effectively preventing the dust raised from falling back into the gaps and affecting the grouting work.

[0031] Working principle: During daily transportation or when idle, adjusting the rotation of screw 38 drives the lifting plate 37 to slide on the vertical rod 310, thereby causing the rotating rod B39 and the brush 34 at its bottom to rise to the non-working position, preventing the brush from contacting the ground or other objects. During operation, screw 38 is rotated in the opposite direction, causing the brush 34 to descend to the working position. At this time, gear 2 33 and gear 1 32 are partially or fully engaged, ensuring that the brush can rotate with the rotation of gear 1 32. Then, the required cement or other grouting material is loaded into the loading box 2. When the device moves to the designated grouting position, the solenoid valve of the discharge port 21 at the bottom of the loading box 2 is opened, allowing the cement to flow out as needed, and pushing the device along the gap. Simultaneously, the mixing motor 22 starts, driving the mixing shaft (not shown in the figure) inside the loading box 2 to rotate, preventing the cement from solidifying under long-term static conditions and ensuring the fluidity and uniformity of the filling material. The shaft of the mixing motor 22 not only drives the mixing shaft but also passes through the top of the loading box 2 and is fixedly connected to the pulley A41. When the mixing motor 22 rotates, the pulley A41 rotates accordingly, driving the pulley B42 on the top of the hollow box 3 to rotate through the belt 43. The rotation of the pulley B42 further drives the rotating rod A31 and the gear 1 32 at its lower end to rotate. The gear 2 33 meshing on both sides of the gear 1 32 rotates accordingly, and the brush 34 fixed at the bottom of the gear 2 33 begins to clean the mud and sand in the gaps.

[0032] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A road and bridge construction joint filling device, comprising a device base (1), a material box (2) installed on the top of the device base (1), a discharge port (21) installed at the bottom of the material box (2), and a mixing motor (22) installed on the top of the material box (2), characterized in that: A hollow box (3) is installed on the top of the device base (1). A rotating rod A (31) is installed inside the hollow box (3). A gear 1 (32) is provided at the lower end of the rotating rod A (31). Gear 2 (33) can mesh on both sides of the gear 1 (32). Gear 2 (33) is rotatably installed inside the hollow box (3). A brush (34) is installed at the bottom of the gear 2 (33). The brush (34) is located at the bottom of the device base (1). The stirring motor (22) is connected to the rotating rod A (31) by a drive assembly (4). The drive assembly (4) includes a pulley A (41) rotatably mounted on the top of the loading box (2) and a pulley B (42) rotatably mounted on the top of the hollow box (3). The pulley B (42) and the pulley A (41) are connected by a belt (43). The pulley A (41) is passed through and fixedly connected by the shaft of the stirring motor (22). The pulley B (42) is connected to the shaft of the rotating rod A (31).

2. The road and bridge construction joint caulking device according to claim 1, characterized in that, The top of the loading box (2) and the hollow box (3) are fitted with a protective shell (44) that covers pulley A (41) and pulley B (42) inside, and the belt (43) passes through the opening of the protective shell (44). At the same time, the stirring motor (22) is fixed to the top of the protective shell (44).

3. The road and bridge construction joint filling device according to claim 2, characterized in that, The hollow box (3) has three horizontal plates (35) installed inside. A bearing (36) is installed in the round opening at the center of the horizontal plate (35). The bearing (36) is passed through by the rotating rod A (31).

4. A road and bridge construction joint caulking device according to claim 3, characterized in that, The bottom surface of the horizontal plate (35) at the bottom end is rotatably connected to the bottom of the hollow box (3) and is fixedly connected to a vertical rod (310). The screw (38) is threadedly connected to the lifting plate (37), and the lifting plate (37) is slidably connected by the vertical rod (310). At the same time, the lifting plate (37) also slides on the inner wall of the hollow box (3).

5. A road and bridge construction joint caulking device according to claim 4, characterized in that, Two rotating rods B (39) are rotatably installed at the bottom of the lifting plate (37). The rotating rods B (39) pass through the hollow box (3) and the device seat (1) and the bottom is fixed with a brush (34). The gear two (33) is fixedly sleeved on the rotating rods B (39).

6. A road and bridge construction joint caulking device according to claim 4, characterized in that, The device base (1) is fitted with a bearing (311) through a circular opening through which the rotating rod B (39) passes, and the bearing (311) is installed and connected by the rotating rod B (39).

7. A road and bridge construction joint caulking device according to claim 1, characterized in that, A vacuum cleaner (5) is installed on the top of the device base (1) between the loading box (2) and the hollow box (3). The suction port (51) at the bottom of the vacuum cleaner (5) passes through the device base (1) and performs suction in the direction of the brush (34).

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