Concrete multi-process construction trolley and construction method thereof

Abstract

The application discloses a concrete multi-process construction trolley and a construction method thereof. The construction trolley comprises a rack, a walking mechanism, a control system, a vibrating mechanism, a troweling mechanism, a polishing module and a water spraying maintenance module arranged on the rack. The vibrating mechanism is used for vibrating the poured concrete. The troweling mechanism is used for troweling the surface of the concrete by a ruler. The polishing module is used for polishing the troweled concrete surface by a polishing impeller. The water spraying maintenance module is used for spraying water on the concrete surface by a water tank, a water pump, a water conveying pipeline and a spray head. The control system controls the independent operation or the cooperative operation of the mechanisms according to the construction sequence. The application can reduce equipment switching, improve the continuity of concrete construction and the construction quality.

Description

Technical Field

[0001] This invention relates to the field of concrete construction equipment technology, specifically to a concrete multi-process construction trolley and its construction method. Background Technology

[0002] In the construction of viaducts, bridge deck paving, road surfaces, and other concrete structures, the following steps are typically required in sequence: concrete vibration, surface smoothing, surface polishing, and subsequent water curing. Vibration removes air bubbles from the concrete and increases its density; smoothing improves the surface smoothness; polishing further enhances the surface quality; and water curing keeps the concrete moist during setting and hardening, reducing shrinkage cracks and improving later strength.

[0003] In current construction practices, the aforementioned processes are often completed separately using different equipment or by different personnel. For example, vibration equipment, troweling equipment, polishing equipment, and curing equipment are usually independent of each other. During construction, frequent equipment changes or separate operations by different personnel are required, resulting in long equipment changeover times, excessive manual labor, poor construction continuity, and difficulty in ensuring the quality of transitions between processes. Especially in high-paced construction scenarios such as viaducts and bridge deck paving, if vibration, troweling, polishing, and curing are not seamlessly integrated according to the construction stages, it can easily affect the concrete's density, surface smoothness, and the effectiveness of subsequent curing.

[0004] In addition, most existing concrete construction auxiliary equipment is single-function. Although some equipment can complete local automation operations, it lacks a multi-process integrated solution for concrete from post-pouring treatment to later curing, making it difficult to achieve continuous, modular and collaborative operations in the concrete construction process.

[0005] Therefore, it is necessary to provide a concrete construction equipment that can integrate vibration, smoothing, polishing and water curing functions on the same mobile platform, and to provide construction methods that work in conjunction with the equipment, so as to reduce equipment switching and manual intervention, and improve concrete construction efficiency and quality. Summary of the Invention

[0006] The purpose of this invention is to provide a concrete multi-process construction trolley and its construction method to solve the problems of dispersed concrete vibration, smoothing, polishing and water curing processes, frequent equipment switching, high manual intervention and poor construction continuity in the prior art.

[0007] To achieve the above objectives, the present invention adopts the following technical solution:

[0008] A concrete multi-process construction trolley includes a frame, a traveling mechanism, a control system, and a concrete working mechanism mounted on the frame; the concrete working mechanism includes a vibration mechanism, a smoothing mechanism, a polishing module, and a water spraying and curing module.

[0009] The traveling mechanism includes multiple wheels, wheel brackets for mounting the wheels, and traveling drive motors corresponding to at least some of the wheels. The traveling drive motors drive the corresponding wheels to rotate, thereby moving the construction trolley. Preferably, there are four wheels, each with its own traveling drive motor. The control system can control the speed of each traveling drive motor individually to achieve the traveling and differential steering of the construction trolley.

[0010] The vibration mechanism includes an electric turntable, a swing arm adjustment assembly, and a vibration assembly. The vibration assembly includes a vibrating rod and a vibration drive motor, the latter being connected to the vibrating rod to drive it to vibrate. The swing arm adjustment assembly is located on the electric turntable and connected to the vibration assembly, used to switch the vibrating rod between a retracted position and a vibration working position, and to adjust the working height of the vibrating rod. The electric turntable drives the swing arm adjustment assembly and the vibration assembly to rotate around a vertical axis to adjust the working direction of the vibrating rod.

[0011] The smoothing mechanism includes a smoothing motor, a support assembly, a connecting rod, a straightedge, and a damping connection assembly. The support assembly is driven by the smoothing motor, and the straightedge is connected to the support assembly via the connecting rod. The damping connection assembly is located on the support assembly and is used to buffer the impact on the straightedge during the smoothing process and maintain the straightedge's smoothing posture. The smoothing motor drives the support assembly and, through the connecting rod, moves the straightedge to smooth the concrete surface.

[0012] The polishing module includes multiple polishing mechanisms, each comprising a rotation component and a polishing component. The rotation component drives the corresponding polishing component to rotate between a storage position and a working position. Each polishing component includes a lifting mounting plate, a polishing motor mounting plate, a polishing motor, a polishing impeller, and a pair of spaced-apart lifting drive components. Each lifting drive component includes a lifting motor, a lead screw, and a lead screw nut. A pair of lead screw nuts are connected to the same polishing motor mounting plate via connectors, so that the polishing motor mounting plate can be raised or lowered when the pair of lifting motors drives the corresponding lead screw to rotate. The polishing motor is mounted on the polishing motor mounting plate, and the polishing impeller is connected to the output end of the polishing motor.

[0013] The water spraying and maintenance module includes a water supply component and at least one set of telescopic spraying mechanisms. The water supply component includes a water tank, a pump, and a water supply pipeline. The pump delivers water from the water tank to the nozzles of the telescopic spraying mechanism via the water supply pipeline. The telescopic spraying mechanism includes a telescopic drive motor, a lead screw, a lead screw nut, a sliding mounting plate, a nozzle mounting bracket, and nozzles. The telescopic drive motor is connected to the lead screw, the lead screw nut engages with the lead screw and is fixed to the sliding mounting plate, the sliding mounting plate is slidably connected to the frame, and the nozzles are connected to the sliding mounting plate via the nozzle mounting bracket. When the telescopic drive motor drives the lead screw to rotate, the lead screw nut causes the sliding mounting plate to move relative to the frame, thereby switching the nozzles between extended and retracted positions.

[0014] The control system is electrically connected to the walking mechanism, vibration mechanism, smoothing mechanism, polishing module and water spraying and curing module respectively to control the movement of the construction trolley and to control the vibration mechanism, smoothing mechanism, polishing module and water spraying and curing module to operate independently or in coordination according to the construction sequence.

[0015] This invention also provides a method for concrete construction using the aforementioned multi-stage concrete construction trolley, comprising the following steps: moving the construction trolley to the concrete pouring area; controlling the vibration mechanism to insert the vibrator into the poured concrete and generate vibration to compact the concrete; controlling the smoothing mechanism to smooth the compacted concrete surface with a straightedge during the movement of the construction trolley; after the concrete surface meets the preset polishing conditions, controlling the polishing module to switch the polishing component from the storage position to the working position and lower the polishing impeller to the concrete surface to polish the concrete surface; and after the concrete meets the preset curing conditions, controlling the water spraying curing module to extend the nozzle and spray curing water onto the concrete surface.

[0016] Compared with the prior art, the present invention has at least the following beneficial effects:

[0017] 1. This invention integrates a vibration mechanism, a smoothing mechanism, a polishing module, and a water spraying and curing module on the same mobile vehicle body, which can reduce the switching between different construction equipment, reduce the degree of manual intervention, and improve the continuity of concrete construction.

[0018] 2. The vibratory compaction mechanism of the present invention adjusts the working direction of the vibratory compaction rod by an electric turntable and adjusts the working height and storage state of the vibratory compaction rod by a swing arm adjustment component, so that the vibratory compaction rod can cover a large vibration area without frequently moving the whole vehicle.

[0019] 3. The smoothing mechanism of the present invention drives the support component to move through the smoothing motor, and buffers the impact generated when the straightedge comes into contact with the concrete surface through the damping connection component, which helps to maintain the smoothing working posture of the straightedge and improve the flatness of the concrete surface.

[0020] 4. The polishing module of the present invention includes multiple polishing mechanisms, each of which can be independently rotated and raised / lowered, facilitating the switching of the polishing components between working and storage states. Furthermore, a pair of lifting drive components drives the same polishing motor fixing plate to rise and fall, thereby improving the stability of the polishing components' lifting and lowering.

[0021] 5. The water spraying and maintenance module of the present invention extends or retracts the nozzle through the telescopic spraying mechanism, which can expand the spraying coverage when maintenance is needed, and reduce the impact on the movement and storage of the whole vehicle when not in maintenance state.

[0022] 6. The control system of the present invention can control the walking mechanism, the vibrating mechanism, the smoothing mechanism, the polishing module and the water spraying and curing module, so that each mechanism can operate independently or cooperate in sequence according to the construction stage, thereby improving construction efficiency and operation convenience. Attached Figure Description

[0023] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used in conjunction with embodiments of the invention to explain the invention and do not constitute a limitation thereof. In the drawings:

[0024] Figure 1 This is a top view of the concrete multi-process construction trolley of the present invention.

[0025] Figure 2 for Figure 1 Schematic diagram of the cross-sectional structure along line A in the middle;

[0026] Figure 3 for Figure 1 Schematic diagram of the cross-sectional structure along line B in the middle;

[0027] Figure 4 This is a schematic diagram of the control system of the present invention.

[0028] The components include: 1. Frame; 2. Wheels; 3. Drive motor; 4. Electric turntable; 5. Swing arm drive component; 6. Connecting arm assembly; 7. Vibrator mounting base; 8. Vibration drive motor; 9. Vibrator; 10. Smoothing motor; 11. First support rod; 12. Second support rod; 13. Damping connection assembly; 14. Connecting rod; 15. Straightedge; 16. Indexing motor; 17. Drive gear; 18. Driven gear; 19. Indexing shaft; 20. Bushing; 21. Lifting mounting plate; 2. Lifting motor; 23. Polishing screw; 24. Polishing screw nut; 25. Connector; 26. Polishing motor mounting plate; 27. Polishing motor; 28. Polishing impeller; 29. ​​Water tank; 30. Pumping components; 31. Water supply pipeline; 32. Telescopic drive motor; 33. Telescopic screw; 34. Telescopic screw nut; 35. Sliding mounting plate; 36. Nozzle mounting bracket; 37. Nozzle; 38. Logic controller; 39. Actuation controller; 40. Relay; 41. Motor controller. Detailed Implementation

[0029] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0030] like Figures 1 to 3 As shown, this embodiment provides a multi-stage concrete construction trolley, including a frame 1, a traveling mechanism, a control system, and a concrete working mechanism mounted on the frame 1. The concrete working mechanism includes a vibration mechanism, a smoothing mechanism, a polishing module, and a water curing module. The frame 1 supports the traveling mechanism, the control system, and each concrete working mechanism. The traveling mechanism drives the construction trolley to move within the construction area. The control system controls the independent start and stop of each mechanism or their coordinated operation according to the construction sequence.

[0031] 1. Walking mechanism

[0032] The traveling mechanism includes wheel brackets, wheels 2, a traveling drive motor 3, and a traveling transmission assembly. The wheels 2 are mounted on the frame 1 via the wheel brackets, and the traveling drive motor 3 is connected to the corresponding wheel 2 via the traveling transmission assembly to drive the wheel 2 to rotate, thereby moving the construction trolley.

[0033] In one embodiment, there are four wheels 2, each with a corresponding drive motor 3. The control system can control the start, stop, and speed of each drive motor 3 individually. When the drive motors 3 corresponding to all wheels 2 operate at the same speed, the construction trolley moves in a straight line; when the drive motors 3 corresponding to the left and right wheels 2 operate at different speeds, the construction trolley can achieve differential steering. The wheels 2 can use solid tires to improve load-bearing stability and durability during use on the construction site.

[0034] 2. Vibrating mechanism

[0035] The vibration mechanism is used to compact the poured concrete. The vibration mechanism includes a vibration assembly, a swing arm adjustment assembly, and an electric turntable.

[0036] The vibration assembly includes a vibrating rod 9, a vibration drive motor 8, a transmission component, and a vibrating rod mounting base 7. The vibrating rod 9 is mounted on the vibrating rod mounting base 7. The vibration drive motor 8 is connected to the vibrating rod 9 and is used to drive the vibrating rod 9 to generate vibration, thereby expelling air bubbles inside the concrete and improving the density of the concrete after the vibrating rod 9 is inserted into the concrete.

[0037] In one embodiment, the transmission component is a flexible shaft, and the vibrating rod 9 is an electrically inserted vibrating rod. The vibrating drive motor 8 drives the eccentric vibrating element inside the vibrating rod 9 to rotate via the flexible shaft, causing the vibrating rod 9 to vibrate. It should be noted that the eccentric vibrating element can be an eccentric vibrator inside the vibrating rod 9, or it can be any other vibration generating component that can cause the vibrating rod 9 to vibrate.

[0038] The swing arm adjustment assembly is located on the electric turntable 4 and connected to the vibratory rod mounting base 7. The swing arm adjustment assembly is used to switch the vibratory rod 9 between a storage position and a vibration working position, and to adjust the working height of the vibratory rod 9. In one embodiment, the swing arm adjustment assembly includes a swing arm drive 5 and a connecting arm assembly 6. The swing arm drive 5 can be a servo motor, a geared motor, or an electric actuator. The connecting arm assembly 6 can include at least two relatively rotatable connecting arms. The swing arm drive 5 drives at least one connecting arm to move, thereby causing the vibratory rod mounting base 7 and the vibratory rod 9 to be raised, lowered, or folded for storage.

[0039] An electric turntable 4 is mounted on the frame 1 and is used to drive the swing arm adjustment assembly and the vibrating assembly to rotate around the vertical axis, thereby adjusting the working direction and working area of ​​the vibrating rod 9. Through the rotation of the electric turntable 4, the vibrating rod 9 can cover a large vibration area without frequently moving the construction trolley. The electric turntable 4 can adopt an existing electric rotary platform or electric turntable structure, and its internal transmission structure is not limited to this embodiment.

[0040] During vibration operation, the control system controls the electric turntable 4 to rotate the vibration assembly to the predetermined direction and controls the swing arm adjustment assembly to lower the vibrator 9 to the working position, so that the vibrator 9 is inserted into the poured concrete. Subsequently, the vibration drive motor 8 drives the vibrator 9 to vibrate and compact the concrete. After vibration is completed, the swing arm adjustment assembly lifts or folds the vibrator 9 for storage to avoid affecting subsequent operations or the movement of the construction trolley.

[0041] 3. Smoothing mechanism

[0042] The smoothing mechanism is used to smooth the surface of the compacted concrete. The smoothing mechanism includes a smoothing motor 10, a support assembly, a connecting rod 14, a straightedge 15, and a damping connection assembly 13.

[0043] The support assembly is connected to the smoothing motor 10, and the straightedge 15 is connected to the support assembly via the connecting rod 14. The smoothing motor 10 drives the support assembly to move, and the support assembly drives the straightedge 15 to smooth the concrete surface via the connecting rod 14. The straightedge 15 is located at the rear of the frame 1 along the direction of travel of the construction trolley, so as to smooth the vibrated concrete surface during the movement of the construction trolley.

[0044] The damping connection component 13 is located on the support component and is used to buffer the impact on the straightedge 15 during the smoothing process and maintain the smoothing posture of the straightedge 15. Since the concrete surface may still have local undulations after vibration, the straightedge 15 will be subjected to resistance and impact from different directions during the smoothing process. The damping connection component 13 can absorb part of the impact and maintain the contact posture between the straightedge 15 and the concrete surface, avoiding violent shaking or sudden changes in contact pressure of the straightedge 15.

[0045] In one embodiment, the support assembly includes a first support rod 11 and a second support rod 12. The first support rod 11 is connected to the output end of the smoothing motor 10, and the second support rod 12 is connected to the straightedge 15 via a connecting rod 14. A damping connection assembly 13 is connected between the first support rod 11 and the second support rod 12. The damping connection assembly 13 may include a damper, an elastic element, or a combination of a damper and an elastic element. Before operation, the position, angle, or smoothing range of the straightedge 15 can be manually adjusted according to construction needs to ensure that the straightedge 15 is in a suitable smoothing working posture. During operation, the smoothing motor 10 drives the support assembly to move, and the straightedge 15 smooths the concrete surface as the construction trolley moves.

[0046] It should be noted that the smoothing mechanism's main function is to smooth the concrete surface using the straightedge 15. The initial angle, extension / retraction position, or smoothing range of the straightedge 15 can be manually pre-adjusted or adjusted using a corresponding adjustment structure. The specific adjustment method does not constitute a limitation on the scope of protection of this invention.

[0047] 4. Polishing module

[0048] The polishing module is used to polish the smoothed concrete surface. The polishing module includes multiple polishing mechanisms. In one embodiment, there are four polishing mechanisms, spaced apart on the frame 1. Each polishing mechanism can have the same structure and can switch between a storage position and a working position relative to the frame 1.

[0049] Each polishing mechanism includes a rotation component and a polishing component. The rotation component drives the corresponding polishing component to rotate relative to the frame 1. The rotation component includes a rotation motor 16, a drive gear 17, a driven gear 18, a rotation shaft 19, and a bushing 20. The drive gear 17 is mounted on the output end of the rotation motor 16 and meshes with the driven gear 18; the driven gear 18 is connected to the rotation shaft 19; the rotation shaft 19 passes through the bushing 20 and is circumferentially fixedly connected to the bushing 20; the bushing 20 is connected to the lifting mounting plate 21.

[0050] When the indexing motor 16 drives the drive gear 17 to rotate, the drive gear 17 drives the driven gear 18 to rotate, and the driven gear 18 drives the indexing shaft 19 to rotate. The indexing shaft 19 drives the lifting mounting plate 21 and the polishing assembly mounted on the lifting mounting plate 21 to rotate as a whole through the bushing 20 that is fixedly connected to it in the circumference. This causes the polishing assembly to rotate from the storage position to the working position, or from the working position to the storage position.

[0051] The polishing assembly includes a lifting mounting plate 21, a polishing motor mounting plate 26, a polishing motor 27, a polishing impeller 28, and a pair of lifting drive assemblies. The pair of lifting drive assemblies are spaced apart on the lifting mounting plate 21. Each lifting drive assembly includes a lifting motor 22, a polishing screw 23, and a polishing screw nut 24. The lifting motor 22 is fixed to the lifting mounting plate 21, the polishing screw 23 is connected to the lifting motor 22, and the polishing screw nut 24 is threadedly engaged with the polishing screw 23.

[0052] The polishing screw nuts 24 of a pair of lifting drive components are respectively connected to the same polishing motor mounting plate 26 via connectors 25. When a pair of lifting motors 22 synchronously drive the corresponding polishing screws 23 to rotate, the pair of polishing screw nuts 24 move along the corresponding polishing screws 23, and together drive the polishing motor mounting plate 26 to move up and down via connectors 25. Since the pair of polishing screws 23 are spaced apart, and the pair of polishing screw nuts 24 are connected to the same polishing motor mounting plate 26, the polishing motor mounting plate 26 can form an anti-rotation constraint on the polishing screw nuts 24, thereby restricting the polishing screw nuts 24 from rotating with the polishing screws 23, so that the polishing motor mounting plate 26 can achieve lifting and lowering movement.

[0053] The polishing motor 27 is fixed to the polishing motor mounting plate 26, and the polishing impeller 28 is connected to the output end of the polishing motor 27. During polishing, the indexing assembly first drives the polishing assembly to rotate to the working position; then, a pair of lifting drive assemblies move synchronously, driving the polishing motor mounting plate 26 to descend, so that the polishing impeller 28 approaches or contacts the concrete surface; the polishing motor 27 drives the polishing impeller 28 to rotate, thereby polishing the concrete surface. After polishing is completed, the pair of lifting drive assemblies drive the polishing motor mounting plate 26 to rise, and the indexing assembly then drives the polishing assembly to rotate back to the storage position.

[0054] 5. Sprinkler Maintenance Module

[0055] The water spraying curing module is used to spray curing water onto the concrete surface after the concrete meets the preset curing conditions. The water spraying curing module includes a water supply component and at least one set of telescopic spraying mechanisms.

[0056] The water supply assembly includes a water tank 29, a pumping unit 30, and a water delivery pipeline 31. The water tank 29 is mounted on the frame 1 and is used to store maintenance water. The pumping unit 30 is used to deliver the water in the water tank 29 to the nozzles 37 of the telescopic spraying mechanism via the water delivery pipeline 31. The pumping unit 30 can be a water pump or other pumping device capable of liquid delivery.

[0057] The telescopic spraying mechanism includes a telescopic drive motor 32, a telescopic lead screw 33, a telescopic lead screw nut 34, a sliding mounting plate 35, a nozzle mounting bracket 36, and a nozzle 37. The telescopic drive motor 32 is connected to the telescopic lead screw 33 for transmission, and the telescopic lead screw nut 34 cooperates with the telescopic lead screw 33 and is fixed to the sliding mounting plate 35. The sliding mounting plate 35 is slidably connected to the frame 1, and the nozzle 37 is connected to the sliding mounting plate 35 through the nozzle mounting bracket 36 and is connected to the pumping component 30 through the water supply pipe 31.

[0058] During water spraying and curing operations, the telescopic drive motor 32 drives the telescopic screw 33 to rotate, and the telescopic screw nut 34 drives the sliding mounting plate 35 to move relative to the frame 1. The sliding mounting plate 35 drives the nozzle 37 to extend out of the frame 1 through the nozzle mounting bracket 36. The pumping component 30 transports the curing water in the water tank 29 to the nozzle 37 through the water supply pipeline 31, and the nozzle 37 sprays it onto the concrete surface. After curing is completed, the telescopic drive motor 32 reverses its direction, driving the sliding mounting plate 35 to move in the opposite direction, causing the nozzle 37 to retract.

[0059] In one embodiment, the sliding mounting plate 35 is slidably engaged with a groove on the base plate of the frame 1 via a pulley. The groove extends along the extension and retraction direction of the nozzle 37, thereby guiding the sliding mounting plate 35 to move linearly and restricting the sliding mounting plate 35 from rotating with the extension screw nut 34. In another embodiment, the sliding mounting plate 35 can also be slidably connected to the frame 1 via structures such as a slider and guide rail, a guide pin and elongated hole, or a sliding sleeve and guide rod.

[0060] 6. Control System

[0061] The control system is electrically connected to the traveling mechanism, vibrating mechanism, smoothing mechanism, polishing module, and water spraying and curing module. The control system controls the movement of the construction trolley and allows each functional module to start and stop independently or coordinately according to the construction sequence.

[0062] In one embodiment, the control system includes a logic controller 38, an execution controller 39, a relay 40, and a motor controller 41. The logic controller 38 outputs operational logic control signals, and the execution controller 39 controls the actions of actuators such as servos and lead screws according to the operational logic control signals. The relay 40 controls the power supply to the corresponding functional module, and the motor controller 41 controls the start, stop, direction, and / or speed of the corresponding motor.

[0063] In one implementation, the logic controller 38 is a PLC controller, and the execution controller 39 is a microcontroller controller, such as an STM32 microcontroller controller. The PLC controller and the microcontroller controller are communicatively connected. The PLC controller is used to implement the overall vehicle operation logic, process sequence, and module start / stop control; the microcontroller controller is used to control the servo motor, telescopic drive motor, lifting motor, and other execution components; the motor controller 41 is used to control the walking drive motor 3, smoothing motor 10, indexing motor 16, lifting motor 22, polishing motor 27, telescopic drive motor 32, and pumping component 30, and other execution components.

[0064] The control system can control each module in the following ways: control the start, stop and speed of each travel drive motor 3 to make the construction trolley move forward, backward or turn differentially; control the start and stop of the vibratory drive motor 8, control the rotation of the electric turntable 4, and control the movement of the swing arm adjustment component to realize the direction adjustment, height adjustment and storage of the vibratory rod 9; control the movement of the smoothing motor 10 to make the straightedge 15 smooth the concrete surface; control the rotation motor 16 of each polishing mechanism to make the polishing component rotate out or retract, and simultaneously control a pair of lifting motors 22 to make the polishing motor fixing plate 26 rise and fall, and at the same time control the polishing motor 27 to drive the polishing impeller 28 to rotate; control the telescopic drive motor 32 to make the nozzle 37 extend or retract, and control the start and stop of the pumping component 30 to realize water spraying curing.

[0065] It should be noted that the control system can implement the above control functions using PLC ladder diagrams, microcontroller programs, or other control logic. The specific control program, control chip model, power supply voltage, and electrical component models do not constitute a limitation on the scope of protection of this invention.

[0066] 7. Construction Method

[0067] When using the above-mentioned concrete multi-process construction trolley for construction, the following steps may be included.

[0068] First, the construction trolley is moved to the concrete pouring area. The control system controls the movement of the traveling mechanism, causing the construction trolley to move to the predetermined position. If a four-wheel independent drive structure is used, the control system can control the speed of each traveling drive motor 3 separately to achieve straight-line travel or differential steering.

[0069] Subsequently, the vibration mechanism is controlled. The control system controls the electric turntable 4 to adjust the working direction of the vibrator 9, and controls the swing arm adjustment component to adjust the working height of the vibrator 9, ensuring that the vibrator 9 is inserted into the poured concrete. The vibration drive motor 8 drives the vibrator 9 to vibrate, compacting the concrete. During vibration, the duration and area of ​​vibration can be controlled according to the concrete's construction status, preset vibration time, or operating instructions. After vibration is complete, the swing arm adjustment component lifts or folds the vibrator 9 for storage.

[0070] After vibration is completed, the smoothing mechanism is put into operation. During the movement of the construction trolley, the smoothing motor 10 drives the support assembly to move, and through the connecting rod 14, it drives the straightedge 15 to smooth the vibrated concrete surface. The damping connection assembly 13 buffers the impact on the straightedge 15 and maintains the smoothing working posture of the straightedge 15, thereby improving the flatness of the concrete surface.

[0071] After the concrete surface meets the preset polishing conditions, the polishing module is controlled to operate. The indexing component of each polishing mechanism first rotates the corresponding polishing component from the storage position to the working position; then, a pair of lifting drive components move synchronously, driving the polishing motor fixing plate 26 and the polishing impeller 28 down to the concrete surface; the polishing motor 27 drives the polishing impeller 28 to rotate, polishing the concrete surface. After polishing is complete, the pair of lifting drive components drive the polishing impeller 28 up, and the indexing component drives the polishing component back to the storage position.

[0072] After the concrete meets the preset curing conditions, the water spraying module is activated. The telescopic spraying mechanism extends the nozzle 37 out of the frame 1, and the pumping unit 30 delivers water from the water tank 29 to the nozzle 37 via the water supply pipeline 31. The nozzle 37 then sprays curing water onto the concrete surface. After spraying is completed, the telescopic spraying mechanism retracts the nozzle 37.

[0073] Through the above structure and method, the present invention can complete multiple processes such as concrete vibration, smoothing, polishing and water curing on the same mobile platform, reduce the switching of construction equipment, improve the continuity of construction, and improve the concrete density, surface smoothness, surface quality and post-curing effect.

[0074] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A concrete multi-process construction trolley, comprising a frame, a traveling mechanism, a control system, and a concrete working mechanism mounted on the frame, characterized in that: The concrete working mechanism includes a vibration mechanism, a smoothing mechanism, a polishing module, and a water curing module; The walking mechanism includes multiple wheels, wheel brackets for mounting the wheels, and walking drive motors corresponding to at least some of the wheels. The walking drive motors are used to drive the corresponding wheels to rotate, thereby moving the construction trolley. The vibration mechanism includes an electric turntable, a swing arm adjustment assembly, and a vibration assembly. The vibration assembly includes a vibrating rod and a vibration drive motor. The vibration drive motor is connected to the vibrating rod for driving the vibrating rod to generate vibration. The swing arm adjustment assembly is located on the electric turntable and connected to the vibration assembly, for switching the vibrating rod between a storage position and a vibration working position, and for adjusting the working height of the vibrating rod. The electric turntable is used to drive the swing arm adjustment assembly and the vibration assembly to rotate around a vertical axis to adjust the working direction of the vibrating rod. The smoothing mechanism includes a smoothing motor, a support assembly, a connecting rod, a straightedge, and a damping connection assembly. The support assembly is driven by the smoothing motor, and the straightedge is connected to the support assembly via the connecting rod. The damping connection assembly is located on the support assembly and is used to buffer the impact on the straightedge during the smoothing process and maintain the smoothing working posture of the straightedge. The smoothing motor is used to drive the support assembly to move and drive the straightedge to smooth the concrete surface via the connecting rod. The polishing module includes multiple polishing mechanisms, each including a rotation component and a polishing component. The rotation component includes a rotation motor, a drive gear, a driven gear, a rotation shaft, and a bushing. The drive gear is connected to the output end of the rotation motor and meshes with the driven gear. The driven gear is connected to the rotation shaft, which passes through the bushing and is circumferentially fixed to it. The bushing is connected to the lifting mounting plate of the polishing component. The rotation motor drives the rotation shaft to rotate via the drive gear and driven gear, allowing the rotation shaft to move the lifting mounting plate and the polishing component between a storage position and a working position via the bushing. The polishing assembly includes the lifting mounting plate, the polishing motor fixing plate, the polishing motor, the polishing impeller, and a pair of lifting drive assemblies spaced apart on the lifting mounting plate. Each lifting drive assembly includes a lifting motor, a lead screw, and a lead screw nut. The lifting motor is mounted on the lifting mounting plate and is connected to the lead screw via a transmission connection. The lead screw nut cooperates with the lead screw. The lead screw nuts of the pair of lifting drive assemblies are respectively connected to the same polishing motor fixing plate via connecting members, so as to drive the polishing motor fixing plate to rise and fall when the lifting motor drives the lead screw to rotate. The polishing motor is mounted on the polishing motor fixing plate, and the polishing impeller is connected to the output end of the polishing motor. The watering and maintenance module includes a water supply component and at least one set of telescopic spraying mechanisms. The water supply component includes a water tank, a pumping component, and a water supply pipeline. The pumping component is used to transport water from the water tank to the nozzles of the telescopic spraying mechanism via the water supply pipeline. The telescopic spraying mechanism includes a telescopic drive motor, a lead screw, a lead screw nut, a sliding mounting plate, a nozzle mounting bracket, and a nozzle. The telescopic drive motor is connected to the lead screw. The lead screw nut cooperates with the lead screw and is fixed to the sliding mounting plate. The sliding mounting plate is slidably connected to the frame. The nozzle is connected to the sliding mounting plate via the nozzle mounting bracket. The telescopic drive motor is used to drive the lead screw to rotate, causing the lead screw nut to move the sliding mounting plate relative to the frame, thereby switching the nozzle between an extended position and a retracted position. The control system is electrically connected to the walking mechanism, the vibrating mechanism, the smoothing mechanism, the polishing module, and the water spraying and curing module respectively, so as to control the movement of the construction trolley and control the vibrating mechanism, the smoothing mechanism, the polishing module, and the water spraying and curing module to operate independently or in coordination according to the construction sequence.

2. The concrete multi-process placement trolley of claim 1, wherein: The swing arm adjustment assembly includes a swing arm drive and a connecting arm assembly. The connecting arm assembly is connected to the vibrating assembly. The swing arm drive is used to drive the connecting arm assembly to move, thereby switching the vibrating rod between the storage position and the working position, and adjusting the working height of the vibrating rod.

3. The concrete multi-process construction trolley according to claim 2, characterized in that: The swing arm drive is a servo motor, and the connecting arm assembly includes at least two relatively rotatable connecting arms. The servo motor is used to drive at least one of the connecting arms to move, thereby causing the vibrating assembly to be raised, lowered, or folded for storage.

4. The concrete multi-process construction trolley according to claim 1, characterized in that: The vibratory drive motor is connected to the vibratory rod via a transmission component, which is a flexible shaft or a coupling transmission component.

5. The concrete multi-process construction trolley according to claim 1, characterized in that: The support assembly includes a first support rod and a second support rod. The first support rod is connected to the output end of the smoothing motor, and the second support rod is connected to the straightedge through the connecting rod. The damping connection assembly is connected between the first support rod and the second support rod.

6. The concrete multi-process construction trolley according to claim 1, characterized in that: The damping connection assembly includes a damper and / or an elastic element. The damping connection assembly is used to buffer the impact generated when the straightedge contacts the concrete surface and to maintain the contact posture of the straightedge with the concrete surface.

7. The concrete multi-process construction trolley according to claim 1, characterized in that: The smoothing mechanism is located at the rear of the frame along the direction of travel of the construction trolley, and the straightedge is used to smooth the surface of the vibrated concrete during the movement of the construction trolley.

8. The concrete multi-process construction trolley according to claim 1, characterized in that: The lead screws of the pair of lifting drive components are spaced apart, and the lead screw nuts of the pair of lifting drive components are connected to the same polishing motor fixing plate through the connector, so as to restrict the lead screw nuts from rotating with the lead screws through the polishing motor fixing plate.

9. The concrete multi-process construction trolley according to claim 1, characterized in that: The lifting motors of the pair of lifting drive components are synchronously controlled by the control system to keep the polishing motor mounting plate moving up and down smoothly.

10. The concrete multi-process construction trolley according to claim 1, characterized in that: The polishing mechanism consists of four sets, which are spaced apart on the frame.

11. The concrete multi-process construction trolley according to claim 1, characterized in that: The control system includes a logic controller, an execution controller, relays, and a motor controller. The logic controller outputs operational logic control signals. The execution controller controls the movement of the servo motor and / or lead screw drive according to the operational logic control signals. The relays control the power supply to the corresponding functional modules. The motor controller controls the start, stop, direction, and / or speed of the corresponding motors.

12. The concrete multi-process construction trolley according to claim 11, characterized in that: The logic controller is a PLC controller, the execution controller is a microcontroller controller, and the PLC controller and the microcontroller controller are communicatively connected.

13. The concrete multi-process construction trolley according to claim 1, characterized in that: The vehicle has four wheels, and each wheel is equipped with a corresponding walking drive motor. The control system is used to control the speed of each walking drive motor to achieve differential steering of the construction trolley.

14. A method for concrete construction using a multi-stage concrete construction trolley as described in any one of claims 1 to 13, characterized in that, Includes the following steps: Move the construction trolley to the concrete pouring area; The vibration mechanism is controlled to insert the vibrating rod into the poured concrete and generate vibration to compact the concrete. Control the smoothing mechanism to make the straightedge smooth the vibrated concrete surface during the movement of the construction trolley; After the preset polishing conditions are met on the concrete surface, the polishing module is controlled to switch the polishing component from the storage position to the working position, and the polishing impeller is lowered to the concrete surface to polish the concrete surface. After the concrete meets the preset curing conditions, the water spraying curing module is controlled to extend the nozzle and spray curing water onto the concrete surface.

15. The concrete construction method according to claim 14, characterized in that: During the vibration operation, the electric turntable is controlled to adjust the working direction of the vibrating rod, and the swing arm adjustment component is controlled to adjust the working height of the vibrating rod.

16. The concrete construction method according to claim 14, characterized in that: After the polishing operation is completed, the pair of lifting drive components are controlled to drive the polishing motor fixing plate to rise, and the indexing component is controlled to drive the polishing component to rotate from the working position back to the storage position.

17. The concrete construction method according to claim 14, characterized in that: After the watering and maintenance operation is completed, the telescopic drive motor is controlled to reverse, so that the nozzle returns from the extended position to the retracted position.

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