Prefabricated base plate intelligent turnover device and method for using same

By designing an intelligent flipping device and using aluminum alloy materials and distributed sensors for adaptive adjustment, the safety and efficiency issues in the flipping process of prefabricated assembled base plates have been solved, achieving safe and efficient flipping operations.

WO2026051829A1PCT designated stage Publication Date: 2026-03-12(SUZHOU) RAIL TRANSIT SCI & TECH RES INST CO LTD SHANGHAI CIVIL ENG GRP OF CREC +2
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Filing Date
2025-08-28
Publication Date
2026-03-12

AI Technical Summary

Technical Problem

In rail transit construction, the flipping operation of prefabricated assembled base plates poses safety hazards and low efficiency problems. In particular, due to their large size and weight, they are prone to damage and pose a safety threat to operators.

Method used

An intelligent flipping device for prefabricated assembled base plates was designed. It adopts a flipping support frame and base made of aluminum alloy material, and is equipped with electric push rods, electric buckles, electric sliders and distributed pressure sensors. It achieves safe and efficient flipping through intelligent control and adaptive adjustment.

Benefits of technology

It ensures the safety and stability of the flipping process, prevents the base plate from bumping and sliding, adapts to different thicknesses and shapes, and improves the safety and efficiency of operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

A prefabricated base plate intelligent turnover device and a method for using same, relating to the technical field of rail transit construction. The device comprises a turnover base (2), a turnover support frame (1) and a prefabricated base plate (5). The turnover support frame (1) is composed of a plurality of L-shaped support frames (109) arranged side by side. First turnover connection seats (103) are arranged on the rear sides of the bottoms of the long sides of the L-shaped support frames (109), the first turnover connection seats (103) are connected to the turnover base (2) by means of rotating shafts, the front sides of the bottoms of the long sides of the L-shaped support frames (109) are connected to one end of push rods (702), one or more base plate support seats (10) are arranged in the middle of the tops of the long sides of the L-shaped support frames (109), and adaptive base plate support seats (6) are respectively arranged on the front and rear sides of the base plate support seats (10). Electric sliding blocks (4) and an electric fastener (3) are further comprised. The base plate support bases (10) each comprise a second bottom plate (1001), a top plate (1002), a spring (603) and a spring shaft (1003), and the top plate is connected to the second bottom plate (1001) by means of the spring shaft (1003) and the spring (603). The device has a stable structure and improved durability, ensures operation safety, and additionally has an adaptive adjustment function.
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Description

A prefabricated assembly type base plate intelligent overturning device and a use method thereof TECHNICAL FIELD

[0001] The present application relates to the field of rail transit construction technology, in particular to a prefabricated assembly type base plate intelligent overturning device and a use method thereof. BACKGROUND

[0002] With the rapid development of the construction industry in China and the increasing awareness of environmental protection, promoting the transformation of the construction industry to modernization and intelligence has become an important strategy to improve the overall level of the domestic construction industry. In this transformation process, prefabricated assembly technology, as an innovative method, has shown great development potential and broad application prospects.

[0003] Especially in the track engineering of urban rail transit, the use of prefabricated assembly type base plates has become increasingly common. These base plates are usually 4.7 meters long, 2.05 meters wide, and 0.23 meters high, with each weighing about 3.6 tons. Since they play a key role in track engineering, there are extremely strict standards for the surface flatness and appearance quality of these base plates.

[0004] During production and construction, prefabricated assembly type base plates need to undergo multiple overturning operations. Due to the size and weight of these plates, improper handling can not only cause damage to the plates, but also pose a threat to the safety of the operators. Therefore, how to safely and efficiently handle these heavy plates has become an important problem to be solved in the construction process. SUMMARY

[0005] The present application aims to overcome the shortcomings of the prior art and provide a prefabricated assembly type base plate intelligent overturning device and a use method thereof, which provides an intelligent solution for overturning large prefabricated assembly type base plates, protects the surfaces of the components from being knocked, prevents the base plates from sliding and falling during overturning, improves safety, and is suitable for prefabricated assembly type base plates of various thicknesses and shapes.

[0006] In order to achieve the above object, a prefabricated assembly base plate intelligent turnover device is designed, which comprises a base, a turnover support frame and a base plate, the turnover support frame is composed of a plurality of L-shaped support frames arranged side by side, the bottom of the long side of the L-shaped support frame is provided with a first turnover connecting seat on the rear side, the first turnover connecting seat is connected with the base through a rotating shaft, the bottom of the long side of the L-shaped support frame is connected with one end of a push rod on the front side, one or more base plate support seats are arranged on the top of the long side of the L-shaped support frame, self-adaptive base plate support seats are arranged on the front and rear sides of the base plate support seat respectively, a buckle part is arranged on the top of the short side of the L-shaped support frame, the electric sliding block can move up and down along the short side of the L-shaped support frame, an electric buckle is arranged on the middle of the left side or the right side of the long side of the L-shaped support frame, pressure sensors are arranged on the electric sliding block and the electric buckle, the electric sliding block and the electric buckle clamp the base plate and obtain the pressure data of the clamping position; the self-adaptive base plate support seat comprises a bottom plate, a top plate, a steel spring and a spring shaft, an elastic pad and a distributed pressure sensor are arranged on the contact surface of the top plate, and the top plate is connected with the bottom plate through the spring shaft and the steel spring.

[0007] The prefabricated assembly base plate intelligent turnover device provided by the application further comprises other technical features, wherein the base is provided with a second turnover connecting seat and a boss, the second turnover connecting seat is connected with the first turnover connecting seat of the turnover support frame through a rotating shaft, and the boss is used for supporting the turnover support frame, and the base is further provided with a push rod, the push rod is a pneumatic or electric push rod, and is used for connecting the turnover support frame.

[0008] The prefabricated assembly base plate intelligent turnover device provided by the application further comprises other technical features, wherein the plurality of L-shaped support frames are connected through a plurality of connecting rods, and the connecting rod at the intersection of the long side and the short side of the L-shaped support frame is connected with the base through a push rod.

[0009] The prefabricated assembly base plate intelligent turnover device provided by the application further comprises other technical features, wherein the electric buckle comprises a motor and a telescopic buckle, the bottom surface of the motor is fixed at the middle position of the turnover support frame, the telescopic buckle is locked after contraction, the base plate is locked, and the buckle is clamped at the gutter position of the base plate,

[0010] The prefabricated assembly base plate intelligent turnover device provided by the application further comprises other technical features, wherein the electric sliding block is provided with a buckle part, and the buckle part is used for clamping the top surface edge position of the base plate.

[0011] The prefabricated assembly base plate intelligent turnover device provided by the application further comprises other technical features, wherein the base is provided with a counterweight on the side away from the short side of the L-shaped support frame.

[0012] The application also provides a use method of the prefabricated assembly base plate intelligent overturning equipment, and the specific method is as follows: S1: the equipment as a whole is in a starting state, the electric buckle is in an elongated state, and the electric sliding block is in a top starting state; S2: the prefabricated assembly base plate is placed on the overturning support frame through hoisting, the self-adaptive base plate support seat is adaptively adjusted according to the bottom surface inclination angle of the base plate, and the pressure sensor on the base plate support seat starts to receive a pressure value; S3: after the electric buckle and the electric sliding block built-in signal receiver receive the pressure value, the electric buckle is retracted, the prefabricated assembly base plate ditch position is buckled tightly, at the same time, the electric sliding block is lowered, and the prefabricated assembly base plate side edge and upper end edge position are clamped and fixed; S4: after the electric sliding block and the electric buckle complete the work, the electric push rod built-in signal receiver receives a signal, the prefabricated assembly base plate starts to perform overturning work, as the overturning angle increases, the pressure sensor value on the electric sliding block gradually increases, after reaching a set value, the electric push rod stops working, and the prefabricated assembly base plate completes 90-degree overturning; S5: after the electric sliding block pressure sensor value reaches the design value, the electric buckle is stretched to the initial position, the prefabricated assembly base plate is released, and the overturning work is completed; S6: the prefabricated assembly base plate is taken down, the pressure sensor display value is zeroed, the equipment returns to the initial state, and the above steps are repeated.

[0013] Compared with the prior art, the application has the following advantages:

[0014] 1. Material and design: the overturning support frame and the overturning base of the application adopt aluminum alloy material, which not only has a high safety factor, but also has good corrosion resistance, so that the equipment can adapt to various complex working environments. The overturning support frame is composed of four "L" type and two "I" type components, and has a stable structure.

[0015] 2. Structure optimization: the design of the overturning base considers the motion trajectory of the overturning support frame during overturning, and adopts aluminum alloy material through die casting to ensure the strength and durability of the structure. The base is provided with an electric push rod connecting seat, a support boss, an overturning connecting seat and a counterweight mounting groove, and the four edges adopt an "H" shape design, and channels are reserved at the corners to facilitate hoisting during transportation.

[0016] 3. Intelligent sensing: distributed pressure sensors are installed on the self-adaptive prefabricated assembly base plate support seat, the prefabricated assembly base plate support seat and the contact surface of the electric sliding block and the base plate. At the same time, the electric push rod, the electric buckle and the electric sliding block are internally provided with a signal receiver. When the pressure value detected by the sensor reaches the preset value, the receiver will automatically receive the signal and stop working, ensuring the safety of the operation.

[0017] 4. Intelligent control of electric push rod: The electric push rod is designed according to the design load and stroke requirements, and can automatically start and stop work according to the pressure value change of the sensor during the overturning process. The self-locking structure is also provided in the push rod, which enhances the stability of the operation.

[0018] 5. Self-adaptive adjustment function: The electric sliding block can automatically adjust according to the thickness of the prefabricated assembly base plate, realize the locking and fixing of the base plate, and prevent the sliding during the overturning process.

[0019] 6. Self-adaptive buckle design: The electric buckle can automatically adjust according to the length of the prefabricated assembly base plate, and is locked and fixed at the water channel position of the base plate to ensure that the base plate is tightly fitted with the support seat, effectively preventing overturning and sliding during the overturning process. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a schematic diagram of the overall structure of the prefabricated assembly base plate intelligent overturning equipment;

[0021] Figure 2 is a schematic diagram of the overall structure of the installed overturning support frame;

[0022] Figure 3 is a schematic diagram of the main structure of the overturning support frame;

[0023] Figure 4 is a schematic diagram of the overturning base structure;

[0024] Figure 5 is a schematic diagram of the electric buckle structure;

[0025] Figure 6 is a schematic diagram of the electric sliding block structure;

[0026] Figure 7 is a schematic diagram of the prefabricated assembly base plate structure;

[0027] Figure 8 is a schematic diagram of the adaptive prefabricated assembly base plate support seat structure;

[0028] Figure 9 is a schematic diagram of the electric push rod structure;

[0029] Figure 10 is a schematic diagram of the counterweight structure;

[0030] Figure 11 is a schematic diagram of the prefabricated assembly base plate support seat structure;

[0031] Figure 12 is a schematic diagram of the overall structure in the empty state;

[0032] Figure 13 is a schematic diagram of the overall structure in the unlocked state under load;

[0033] Figure 14 is a schematic diagram of the overall structure in the locked state under load;

[0034] Figure 15 is a schematic diagram of the overall structure in the completed overturning state;

[0035] Figure 16 is a schematic diagram of the back of the overall structure in the completed state of the turnover;

[0036] In the figure: 1, turnover support frame; 101, reserved base plate support seat installation position; 102, sliding rail; 103, first turnover connecting seat; 104, pivot hole; 105, first electric push rod connecting seat; 106, second electric push rod connecting seat; 107, reinforcing plate; 108, L-shaped short head surface; 109, L-shaped support frame; 2, turnover base; 201, second turnover connecting seat; 202, boss; 203, third electric push rod connecting seat; 204, fourth electric push rod connecting seat; 205, counterweight installation groove; 3, electric buckle; 301, telescopic buckle; 302, motor; 4, electric sliding block; 401, sliding block long head; 402, sliding block short head; 5, prefabricated assembly type base plate; 501, water ditch; 502, bottom inclined surface; 6, adaptive base plate support seat; 601, first bottom plate; 602, top plate 2; 603-spring; 604, first pivot; 7, electric push rod; 701, push rod connecting hole; 702, push rod; 703, guide sleeve; 704, drive motor; 705, guide sleeve connecting hole; 8, counterweight; 801, counterweight installation groove; 9 second pivot; 10, base plate support seat; 1001, second bottom plate; 1002, top plate; 1003, connecting shaft. DETAILED DESCRIPTION

[0037] In order to make the purpose, principle and structure of the present application clearer, the following further elaborates in combination with the drawings and specific embodiments.

[0038] Referring to Figures 1-2, the present application provides a prefabricated assembly type base plate intelligent turnover device, mainly composed of a turnover support frame 1, a turnover base 2, and a second pivot 9. The turnover support frame 1 is installed above the turnover base 2 and connected by the pivot 9 to realize the turnover function. An elastic pad is provided between the contact surfaces of the turnover support frame 1 and the turnover base 2, which is designed above the boss 202 of the turnover base 2 to ensure smoother operation of the turnover support frame 1 and the turnover base 2. The main bodies of the turnover support frame 1 and the turnover base 2 are both made of aluminum alloy. The electric buckle 3, the electric sliding block 4, the adaptive base plate support seat 6, and the base plate support seat 10 are installed inside the turnover support frame 1. The counterweight 8 is installed inside the turnover base 2. The electric push rod 5 is installed between the turnover support frame 1 and the turnover base 2. The prefabricated assembly type base plate 5 is placed on the top of the turnover support frame 1.

[0039] Referring to Figure 3, the turnover support frame 1 is composed of several L-shaped support frames 109 and connecting rods; the turnover support frame 1 top surface has 16 reserved base plate support seat installation positions 101; the L-shaped short head surface 108 is provided with four slide rails 102 respectively; the L-shaped corner is symmetrically provided with a reinforcing plate 107, which further improves the load bearing capacity of the turnover support frame 1; the bottom surface of the turnover support frame 1 is provided with two first turnover connecting seats 103, two first electric push rod connecting seats 105 and one second electric push rod connecting seat 106.

[0040] Referring to Figure 4, the turnover base 2 top is provided with two third electric push rod connecting seats 203 and one fourth electric push rod connecting seat 204; the top of the turnover base 2 is provided with a boss and a second turnover connecting seat 201 for supporting the turnover support frame 1; the top of the turnover base 2 also reserves a counterweight installation groove 205.

[0041] Referring to Figures 1, 5, 6, 7 and 9, the electric buckle 4 mainly includes a motor 302 and a telescopic buckle 301; the bottom surface of the motor 302 is fixed in the middle position of the turnover support frame 1, and the motor 302 is provided with a signal receiver; the telescopic buckle 301 is locked and fixed after contraction, and the buckle is locked in the precast assembly type base plate 5; the electric sliding block 4 is provided with a signal receiver, which can slide along the slide rail 102; the long head end surface 401 of the sliding block is tightly attached to the thinner side surface of the precast assembly type base plate 5, and the short head end surface 402 of the sliding block is locked and fixed after sliding, thereby locking and fixing the base plate 5. The electric push rod 7 mainly includes a guide sleeve 703, a push rod 702 and a drive motor 704; the drive motor 704 is provided with a signal receiver; the guide sleeve 703 and one end of the drive motor 704 are connected with the third electric push rod connecting seat 203; one end of the push rod 702 is connected with the first electric push rod connecting seat 105; the turnover support frame 1 is turned around the pivot 29 by the push-pull of the electric push rod 7.

[0042] Referring to Figures 1, 7, 8, 10, 11, the adaptive base plate support seat 6 mainly comprises a first bottom plate 601, a top plate 602, a steel spring 603, and a rotating shaft 604. The top plate 602 is provided with an elastic pad and a distributed pressure sensor at the contact surface position. The elastic pad can prevent the prefabricated assembly base plate 5 from being damaged by knocking during the lifting process when the prefabricated assembly base plate 5 is in contact with the top plate 602. The top plate 602 is adapted to tilt and adjust according to the change of the contact surface angle through the rotating shaft 604 and the steel spring 603, so as to ensure that the two contact surfaces are closely attached and avoid the generation of an included angle to cause damage to the component. The first bottom plate 601 is installed at the reserved base plate support seat installation position 101. The base plate support seat 10 comprises a second bottom plate 1001, a top plate 1002, and a connecting shaft 1003. The bottom surface of the top plate 1002 is closely attached to the top surface of the second bottom plate 1001 and is fixedly connected through the connecting shaft 1003. When the base plate support seat 10 starts the overturning operation, it bears the main load of the prefabricated assembly base plate. As the overturning angle increases, the load gradually decreases. The counterweight 8 is provided with a counterweight installation groove. The amount of counterweight can be selected according to the weight of the base plate, and the counterweight can be used in a stacked manner. The counterweight is convenient and fast to disassemble and assemble.

[0043] Referring to Figures 12-16, the use method of the prefabricated assembly base plate intelligent overturning equipment is as follows:

[0044] S1: The equipment as a whole is in the initial state, the electric buckle is in the elongated state, and the electric sliding block is in the top initial state.

[0045] S2: The prefabricated assembly base plate is placed on the overturning support frame by lifting. The adaptive base plate support seat is adapted to adjust according to the inclination angle of the bottom surface of the base plate. The pressure sensor on the base plate support seat starts to receive the pressure value.

[0046] S3: After the built-in signal receiver of the electric buckle and the electric sliding block receives the pressure value, the electric buckle is retracted, the prefabricated assembly base plate ditch position is buckled, and at the same time, the electric sliding block is lowered, the prefabricated assembly base plate side edge and the upper end edge position are clamped and fixed.

[0047] S4: After the electric sliding block and the electric buckle work is completed, the built-in signal receiver of the electric push rod receives the signal, the prefabricated assembly base plate starts the overturning operation, and as the overturning angle increases, the pressure sensor value on the electric sliding block gradually increases. When the value reaches the design value, the electric push rod stops working, and the prefabricated assembly base plate completes the overturning of 90 degrees.

[0048] S5: When the electric sliding block pressure sensor value reaches the design value, the electric buckle slowly extends to the initial position, and the prefabricated assembly base plate is released. At this time, the overturning work is completed.

[0049] S6: When the prefabricated base plate is removed, the values of each pressure sensor are zeroed, and the device slowly returns to the initial state, ready for the next overturning operation.

[0050] The above merely describes the specific embodiments of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art, according to the technical scheme and novel concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A prefabricated assembly base plate intelligent turnover device, comprising a base, a turnover support frame and a base plate, characterized in that the turnover support frame is composed of a plurality of L-shaped support frames arranged side by side, the bottom of the long side of the L-shaped support frame is provided with a first turnover connecting seat on the rear side, the first turnover connecting seat is connected with the base through a rotating shaft, the bottom of the long side of the L-shaped support frame is connected with one end of a push rod on the front side, the top of the long side of the L-shaped support frame is provided with one or more base plate support seats in the middle, the base plate support seat is provided with self-adaptive base plate support seats on the front and rear sides respectively, the top of the short side of the L-shaped support frame is provided with an electric sliding block with a buckle part, the electric sliding block can move up and down along the short side of the L-shaped support frame, the middle of the left or right side of the long side of the L-shaped support frame is provided with an electric buckle, the electric sliding block and the electric buckle are both provided with pressure sensors, the electric sliding block and the electric buckle clamp the base plate and obtain the pressure data at the clamping position; the self-adaptive base plate support seat comprises a bottom plate, a top plate, a steel spring and a spring shaft, the top plate is provided with an elastic pad and a distributed pressure sensor at the contact position, and the top plate is connected with the bottom plate through the spring shaft and the steel spring.

2. The precast assembly base plate intelligent turnover device according to claim 1, characterized in that the base is provided with a second turnover connecting seat and a boss, the second turnover connecting seat is connected with the first turnover connecting seat of the turnover support frame through a rotating shaft, and the boss is used for supporting the turnover support frame, the base is further provided with a push rod, the push rod is a pneumatic or electric push rod, and is used for connecting the turnover support frame.

3. A precast assembly base plate intelligent turnover device according to claim 2, characterized in that the plurality of L-shaped support frames are connected through a plurality of connecting rods, and the connecting rod at the intersection of the long side and the short side of the L-shaped support frame is connected with the base through a push rod.

4. A precast fabricated base plate intelligent turnover device according to claim 1, characterized in that the electric buckle comprises a motor and a telescopic buckle, the bottom surface of the motor is fixed at the middle position of the turnover support frame, the telescopic buckle is locked after contraction, the buckle is clamped at the gutter position of the base plate.

5. The precast fabricated base plate intelligent turnover equipment according to claim 1, characterized in that the electric sliding block is provided with a buckle part, and the buckle part is used for clamping the top edge position of the base plate.

6. A precast fabricated base plate intelligent turnover equipment according to claim 1, characterized in that the base is provided with a counterweight on the side away from the short side of the L-shaped support frame.

7. A method of using the precast fabricated base plate intelligent turnover equipment according to claims 1-6, characterized in that The specific method is as follows: S1: the whole device is in the initial state, the electric buckle is in the elongated state, and the electric sliding block is in the initial state at the top end; S2: the prefabricated assembly base plate is placed on the turnover support frame through hoisting, the self-adaptive base plate support seat is self-adapted according to the inclination angle of the bottom surface of the base plate, and the pressure sensor on the base plate support seat starts to receive the pressure value; S3: after the built-in signal receiver of the electric buckle and the electric sliding block receives the pressure value, the electric buckle is contracted, the prefabricated assembly base plate gutter position is buckled, at the same time, the electric sliding block is lowered, and the prefabricated assembly base plate side edge and the upper end edge position are clamped and fixed; S4: after the electric sliding block and the electric buckle work, the built-in signal receiver of the electric push rod receives the signal, the prefabricated assembly base plate starts to work, as the turnover angle increases, the pressure sensor value of the electric sliding block gradually increases, when the value reaches the set value, the electric push rod stops working, and the prefabricated assembly base plate completes the turnover of 90 degrees. S5: When the electric sliding block pressure sensor value reaches the design value, the electric buckle extends to the initial position, loosens the fixing of the prefabricated assembly base plate, and the turnover work is completed; S6: Remove the prefabricated assembly base plate, reset the pressure sensor display value, and return the equipment to the initial state, ready to repeat the above steps.

Citation Information

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