A prefabricated prestressed beam side form adaptive adjusting device

Abstract

This utility model discloses an adaptive adjustment device for the side formwork of a precast prestressed beam, including a telescopic side plate and a drive base. The telescopic side plate is fixedly installed on the left and right sides of the main frame by bolts. The telescopic side plate includes a fixed plate and a movable plate. The fixed plate is fixedly installed on the main frame. At least one vertically extending guide rail is provided on the surface of the fixed plate away from the main frame. The guide rail is equipped with a limit adjuster connected to the movable plate. The drive base includes a mating base plate, hydraulic lifting components and a central controller. The mating base plate can be electrically connected to the fixed plate. Multiple hydraulic lifting components are provided and are equidistantly arranged and fixedly installed on the mating base plate. The top of the hydraulic lifting components is connected to the movable plate. The height of the telescopic side plate can be automatically adjusted and high-precision adjustment is achieved through the control of the central controller, which meets the construction needs of beams of different sizes and shapes.

Description

Technical Field

[0001] This utility model relates to the field of building engineering technology, and in particular to an adaptive adjustment device for the side formwork of a precast prestressed beam. Background Technology

[0002] With the continuous development of construction engineering technology, the application of precast prestressed beams in building construction is becoming increasingly widespread. The installation and adjustment of their side formwork directly affects the beam's forming quality and construction efficiency. However, existing side formwork adjustment devices still have certain shortcomings in terms of adaptability and ease of operation, making it difficult to fully meet the demands of modern construction engineering for efficient and precise construction.

[0003] Patent CN118065684B discloses a protective device for building construction. Through a vibration and adjustment mechanism, it elevates the equipment and absorbs vibration, thereby reducing the probability of formwork getting wet from rain and improving energy efficiency. However, this technical solution mainly focuses on the overall design of the protective device and does not specifically address the adaptive adjustment function of the precast prestressed beam side formwork. Furthermore, its complex structure and potentially cumbersome installation and operation process make it difficult to quickly adapt to the construction needs of beams of different sizes and shapes.

[0004] Patent CN112431395B discloses a steel scaffolding for building construction. Through the coordinated action of swing rods and connecting rods, the equipment enables the lifting and movement of personnel, while also facilitating operation and use. However, this technical solution primarily applies to the lifting and moving functions of the scaffolding and is not directly related to the adjustment of the side formwork of precast prestressed beams. Its design focuses on lifting and moving functions, lacking a specific mechanism for adaptive adjustment of the side formwork, and thus failing to effectively solve the adjustment problems caused by changes in beam dimensions during formwork installation.

[0005] The above problems indicate that existing building engineering equipment has significant shortcomings in the adaptive adjustment of precast prestressed beam side formwork, especially in terms of rapid adaptability to different beam sizes, ease of operation, and structural simplification, where there is still room for improvement. Utility Model Content

[0006] To address the problems mentioned in the background section, this invention provides an adaptive adjustment device for the side formwork of a precast prestressed beam.

[0007] To achieve the above objectives, the present invention adopts the following technical solution: An adaptive adjustment device for the side formwork of a precast prestressed beam includes a telescopic side plate and a drive base. The telescopic side plate is fixedly installed on the left and right sides of the main frame by bolts. The telescopic side plate includes a fixed plate and a movable plate. The fixed plate is fixedly installed on the main frame. At least one vertically extending guide rail is provided on the side surface of the fixed plate away from the main frame. The guide rail is equipped with a limit adjuster connected to the movable plate. The drive base includes a mating base plate, hydraulic lifting components, and a central controller. The mating base plate can be electrically connected to the fixed plate. Multiple hydraulic lifting components are arranged at equal intervals and fixedly installed on the mating base plate. The top of the hydraulic lifting components is connected to the moving plate.

[0008] Preferably, the central controller is equipped with an oil pump and a power supply. The oil pump and power supply extend from the central controller through oil lines and wires embedded in the base plate to connect with each hydraulic lifting component.

[0009] Preferably, the hydraulic lifting component includes a hydraulic base, a lifting rod, a pressure sensor, and a limit rod. The hydraulic base is connected to the oil circuit and electrical wires embedded in the base plate. The pressure sensor is installed at the top of the lifting rod and is electrically connected to the central controller. The limit rod is installed on top of the pressure sensor.

[0010] Preferably, the limit adjuster extends to the bottom of the movable plate via a connecting rod. The connecting rod is implemented as a hydraulic telescopic rod and its extension and retraction are controlled by a hydraulic pump located within the limit adjuster. The top of the fixed plate has a horizontally positioned sealing strip. Anti-derailment rails are provided at positions corresponding to each hydraulic lifting component on the bottom of the movable plate. The extension direction of the anti-derailment rails is perpendicular to the fixed plate, and the anti-derailment rails include a wide rail at the top and a narrow rail at the bottom.

[0011] Preferably, the limiting rod can be driven by a motor located at the top of the lifting rod to rotate axially. When the transverse rod at the top of the limiting rod rotates to be parallel to the fixed plate, it can be engaged with the anti-derailment wide rail, thus preventing the limiting rod from detaching from the anti-derailment rail.

[0012] Preferably, the length of the anti-derailment rod is greater than the width of the limiting rod, so that after the limiting rod is inserted into the anti-derailment rod, the connecting rod can drive the moving plate to move horizontally. When the limiting rod is rotated 90 degrees by the motor, the horizontal bar of the limiting rod is parallel to the narrow rail. The limiting rod with a horizontal bar width smaller than the narrow rail can detach from the telescopic side plate along with the entire drive base.

[0013] Preferably, a backstop block is provided on both sides of the limit adjuster. The backstop block is pushed out of the limit adjuster by a spring provided inside the limit adjuster and engages with the teeth of the guide rail side wall. An electromagnet is provided inside the limit adjuster. When the electromagnet is energized, it attracts the backstop block to move into the limit adjuster and disengages from the teeth of the guide rail side wall.

[0014] Compared with the prior art, the beneficial effects of this utility model are: This invention can automatically adjust the height of the retractable side plate and achieve high-precision adjustment through the control of the central controller, thus meeting the construction needs of beams of different sizes and shapes.

[0015] The retractable side plate and drive base of this utility model can be operated separately. While the retractable side plate is adjusted and subsequent pouring is carried out, the drive base can detach from the retractable side plate to deploy and set up other precast prestressed beams, which greatly increases the efficiency of pouring and setting up. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the self-adjusting device for the side formwork of a precast prestressed beam according to the present invention. Figure 2 for Figure 1 Enlarged view of point A in the middle; Figure 3 This is a cross-sectional view of the top of the lifting rod described in this utility model.

[0018] In the diagram: 1. Telescopic side panel; 101. Guide rail; 11. Fixed plate; 12. Moving plate; 13. Limit adjuster; 14. Connecting rod; 15. Sealing strip; 16. Rangefinder; 17. Backstop block; 2. Drive base; 201. Anti-derailment; 21. Matching base plate; 22. Hydraulic lifting component; 221. Hydraulic seat; 222. Lifting rod; 223. Pressure sensor; 224. Limiting frame rod; 23. Central controller; 300. Main frame. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model. Example

[0020] Reference Figure 1-3An adaptive adjustment device for the side formwork of a precast prestressed beam includes a telescopic side plate 1 and a drive base 2. The telescopic side plate 1 is fixedly installed on the left and right sides of the main frame 300 by bolts, and the drive base 2 is installed at the bottom of the telescopic side plate 1 to control the telescopic length of the telescopic side plate 1.

[0021] The drive base 2 includes a base plate 21, hydraulic lifting components 22, and a central controller 23. The base plate 21 is installed on the bottom of the left and right sides of the main frame 300. Multiple hydraulic lifting components 22 are arranged at equal intervals and fixedly installed on the base plate 21. The central controller 23 contains a control motherboard and has an operation panel with a touch screen and physical buttons. Users can manually input target parameters or view real-time working status. The central controller 23 contains an oil pump and a power supply. The oil circuit and wires of the oil pump and power supply extend from the central controller 23 and are embedded in the base plate 21 to connect with each hydraulic lifting component 22, thereby controlling and driving the operation of each hydraulic lifting component 22. The oil circuit and wires embedded in the base plate 21 are difficult to be damaged under the protection of the base plate 21, which increases the durability and stability of the device.

[0022] The hydraulic lifting component 22 includes a hydraulic base 221, a lifting rod 222, a pressure sensor 223, and a limiting rod 224. The hydraulic base 221 is connected to the oil circuit and electrical wires embedded in the base plate 21 to hydraulically drive the lifting rod 222 to extend and retract under the control of the central controller 23. The pressure sensor 223 is installed at the top of the lifting rod 222 and is electrically connected to the central controller 23 to monitor the pressure on the top of the lifting rod 222 in real time and transmit the signal to the central controller 23. The limiting rod 224 is installed on the top of the pressure sensor 223 and includes a vertical rod and a horizontal rod fixed to the upper end of the vertical rod.

[0023] The retractable side panel 1 includes a fixed plate 11 and a movable plate 12. The fixed plate 11 is fixedly installed on the left and right sides of the main frame 300. The surface of the fixed plate 11 away from the main frame 300 is provided with at least one vertically extending guide rail 101. The guide rail 101 is equipped with a limit adjuster 13 connected to the movable plate 12. The bottom of the movable plate 12 is connected to the lifting rod 222, so that it can be driven by the hydraulic lifting component 22 to move vertically up and down, thereby changing the height of the retractable side panel 1.

[0024] The guide rail 101 includes a wider setting rail located inside and a narrower limiting rail extending to the outside. The limiting adjuster 13 is located inside the setting rail and is wider than the limiting rail, thus being restricted by the limiting rail and unable to move out of the guide rail 101. The limiting adjuster 13 is connected to the bottom of the moving plate 12 by extending to the connecting rod 14, so that the limiting adjuster 13 can move up and down synchronously with the moving plate 12. Since the limiting adjuster 13 connected to the moving plate 12 cannot detach from the guide rail 101 set on the fixed plate 11, the moving plate 12 cannot detach laterally from the fixed plate 11 and can only move vertically up and down under the drive of the hydraulic lifting component 22.

[0025] The top of the fixed plate 11 has a horizontally arranged sealing strip 15, and the side wall of the movable plate 12 is tightly attached to the sealing strip 15 to prevent grout leakage during concrete pouring. When each of the hydraulic lifting components 22 pushes the movable plate 12 to move vertically, the central controller 23 can adjust the oil pressure of each hydraulic seat 221 in real time according to the pressure data received by each pressure sensor 223, so that each of the hydraulic lifting components 22 can synchronously push the movable plate 12 to rise and fall, and avoid the movable plate 12 from tilting after rising and falling. Example

[0026] Reference Figure 1-3 The difference between this embodiment and embodiment 1 is that the connecting rod 14 is implemented as a hydraulic telescopic rod and is controlled by a hydraulic pump in the limit adjuster 13 to extend and retract, so that the moving plate 12 can move horizontally closer to or away from the fixed plate 11 under the drive of the connecting rod 14. The bottom of the moving plate 12 is provided with anti-derailment 201 at the position corresponding to each hydraulic lifting component 22, and the extension direction of the anti-derailment 201 is perpendicular to the fixed plate 11.

[0027] The anti-derailment rail 201 includes a wide rail at the top and a narrow rail at the bottom. The wide rail of the anti-derailment rail 201 allows the horizontal bar of the limiting rod 224 to be inserted, while the narrow rail of the anti-derailment rail 201 allows the vertical bar of the limiting rod 224 to be inserted. The limiting rod 224 can be axially rotated by a motor located at the top of the lifting rod 222. When the horizontal bar of the limiting rod 224 rotates to be parallel to the fixed plate 11, it can be engaged with the wide rail of the anti-derailment rail 201, thus preventing the limiting rod 224 from being derailed. The anti-derailment rail 201 is disengaged so that the lifting rod 222 can smoothly drive the moving plate 12 to move vertically. The length of the anti-derailment rail 201 is greater than the width of the limiting rod 224 so that after the limiting rod 224 is placed in the anti-derailment rail 201, the connecting rod 14 can drive the moving plate 12 to move horizontally. When the limiting rod 224 is rotated 90 degrees by the motor, the horizontal bar of the limiting rod 224 is parallel to the narrow rail. The limiting rod 224, whose width is less than that of the narrow rail, can detach from the retractable side plate 1 along with the drive base 2.

[0028] The connecting rod 14 can push the moving plate 12 away from the sealing strip 15 when it moves up and down, thereby preventing the moving plate 12 from wearing down the sealing strip 15 due to frequent up and down movement. When the moving plate 12 moves to the designated position, the connecting rod 14 can pull the moving plate 12 to press against the sealing strip 15 to prevent grout leakage during concrete pouring. A rangefinder 16 is installed on the top of the guide rail 101. The height of the moving plate 12 is obtained by detecting the distance between it and the limit adjuster 13. After the drive base 2 is installed on the bottom of the fixed plate 11, the two are connected to each other. The rangefinder 16 is powered by the power supply in the central controller 23 and transmits the detected height signal of the moving plate 12 to the central controller 23. The central controller 23 controls the operation of the hydraulic lifting component 22 based on the data input by the rangefinder 16.

[0029] The limit adjuster 13 is provided with backstop blocks 17 on both sides. The backstop blocks 17 are pushed out of the limit adjuster 13 by springs installed inside the limit adjuster 13 and engage with the teeth on the side wall of the guide rail 101, thereby locking the vertical position of the limit adjuster 13. The hydraulic pump used to control the extension and retraction of the connecting rod 14 inside the limit adjuster 13, and the electromagnet inside the limit adjuster 13 used to attract the backstop blocks 17, are electrically connected to the fixing plate 11. After the drive base 2 is installed on the bottom of the fixing plate 11 and the two are energized, the hydraulic pump... The electromagnet can also be powered. The hydraulic pump is controlled by the central controller 23 to drive the connecting rod 14 to extend and retract. After the electromagnet is powered, it attracts the backstop block 17 to move into the limit adjuster 13 and disengages from the teeth on the side wall of the guide rail 101, so that the limit adjuster 13 can move freely vertically with the moving plate 12. After the drive base 2 moves away from the fixed plate 11 and the electromagnet is de-energized, the backstop block 17 is pushed out by the spring set in the limit adjuster 13 and re-engages with the teeth on the side wall of the guide rail 101, thereby locking the vertical position of the limit adjuster 13.

[0030] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0031] In this utility model, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," "join," and "fix" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, a direct connection, or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0032] The control method of this utility model is automatic control through a controller. The control circuit of the controller can be implemented by simple programming by those skilled in the art. The power supply is also common knowledge in the field. Since this utility model is mainly used to protect mechanical devices, the control method and circuit connection will not be explained in detail.

[0033] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A self-adjusting device for side formwork of a precast prestressed beam, comprising a telescopic side plate (1) and a driving base (2), wherein the telescopic side plate (1) is fixedly installed on the left and right sides of a main frame (300) by bolts, characterized in that: The retractable side panel (1) includes a fixed plate (11) and a movable plate (12). The fixed plate (11) is fixedly installed on the main frame (300). At least one vertically extending guide rail (101) is provided on the side surface of the fixed plate (11) away from the main frame (300). The guide rail (101) is equipped with a limit adjuster (13) connected to the movable plate (12). The drive base (2) includes a mating base plate (21), a hydraulic lifting component (22) and a central controller (23). The mating base plate (21) can be electrically connected to the fixed plate (11). Multiple hydraulic lifting components (22) are arranged at equal intervals and fixedly installed on the mating base plate (21). The top of the hydraulic lifting component (22) is connected to the moving plate (12).

2. The self-adaptive adjusting device for prefabricated prestressed beam side formwork according to claim 1, characterized in that: The central controller (23) is equipped with an oil pump and a power supply. The oil pump and power supply extend from the central controller (23) through oil circuits and wires embedded in the base plate (21) and are connected to each hydraulic lifting component (22).

3. The self-adaptive adjusting device for the side formwork of the precast prestressed beam according to claim 2, characterized in that: The hydraulic lifting component (22) includes a hydraulic base (221), a lifting rod (222), a pressure sensor (223), and a limiting rod (224). The hydraulic base (221) is connected to the oil circuit and electrical wires embedded in the base plate (21). The pressure sensor (223) is installed on the top of the lifting rod (222) and is electrically connected to the central controller (23). The limiting rod (224) is installed on the top of the pressure sensor (223).

4. The self-adaptive adjusting device for the side formwork of a precast prestressed beam according to claim 3, characterized in that: The limit adjuster (13) is connected to the bottom of the movable plate (12) by extending to the connecting rod (14). The connecting rod (14) is implemented as a hydraulic telescopic rod and is controlled by a hydraulic pump inside the limit adjuster (13) for telescopic extension. The top of the fixed plate (11) has a horizontally arranged sealing strip (15).

5. The self-adaptive adjusting device for prefabricated prestressed beam side formwork according to claim 4, characterized in that: The bottom of the movable plate (12) is provided with anti-derailment rails (201) at positions corresponding to each hydraulic lifting component (22). The extension direction of the anti-derailment rails (201) is perpendicular to the fixed plate (11). The anti-derailment rails (201) include a wide rail at the top and a narrow rail at the bottom.

6. The self-adaptive adjustment device for the side formwork of a precast prestressed beam according to claim 5, characterized in that: The limiting rod (224) can be driven by a motor located at the top of the lifting rod (222) to rotate axially. When the transverse rod at the top of the limiting rod (224) rotates to be parallel to the fixed plate (11), it can be engaged in the wide rail of the anti-derailment rail (201) so that the limiting rod (224) cannot be disengaged from the anti-derailment rail (201).

7. The self-adaptive adjusting device for the side formwork of a precast prestressed beam according to claim 5, characterized in that: The length of the anti-derailment rail (201) is greater than the width of the limiting rod (224) so ​​that after the limiting rod (224) is placed into the anti-derailment rail (201), the connecting rod (14) can drive the moving plate (12) to move horizontally. When the limiting rod (224) is rotated 90 degrees by the motor, the transverse rod of the limiting rod (224) is parallel to the narrow rail. The limiting rod (224) with a transverse rod width smaller than the narrow rail can be separated from the telescopic side plate (1) along with the drive base (2).

8. The self-adjusting device for side formwork of a precast prestressed beam according to claim 5, characterized in that: The limit adjuster (13) is provided with a backstop block (17) on both sides. The backstop block (17) is pushed out of the limit adjuster (13) by a spring provided in the limit adjuster (13) and engages with the teeth on the side wall of the guide rail (101). The limit adjuster (13) is provided with an electromagnet. When the electromagnet is energized, it attracts the backstop block (17) to move into the limit adjuster (13) and disengages from the teeth on the side wall of the guide rail (101).

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