Metal damper embedded part leveling device and construction method

Abstract

The invention relates to the technical field of embedded part leveling equipment, and discloses a metal damper embedded part leveling device and a construction method.The metal damper embedded part leveling device comprises a bottom die, a first wood die panel, a batten and a second wood die panel are sequentially arranged on the bottom die from bottom to top, and the bottom die is of a sandwich plate structure; the pre-embedded plate is arranged on the second wood mold panel and located in the concave area of the upper side of the bottom mold; the plurality of positioning ribs are welded on the lower surface of the pre-embedded plate and penetrate through the preformed holes in the sandwich plate; by adopting the bottom die of a sandwich board structure and combining the adjustable support and the positioning ribs, the problem that the levelness of an embedded plate is difficult to guarantee in traditional embedded construction is effectively solved.

Description

Technical Field

[0001] This invention relates to the field of embedded part leveling equipment, and more specifically, to a metal damper embedded part leveling device and construction method. Background Technology

[0002] During the pre-embedding construction of metal dampers, the quality of the pre-embedding construction plays an important role in the energy dissipation and vibration reduction performance of the metal dampers after an earthquake. The levelness of the connection between the pre-embedding and the damper is particularly important.

[0003] During an earthquake, the seismic forces acting on the reinforced concrete structure are transferred to the metal dampers. The metal dampers, through their effective damping function, dissipate the seismic forces, thus protecting the building structure. During construction, the metal dampers are embedded in the reinforced concrete structural walls, dividing the wall into upper and lower sections. A damper pre-embedded plate is embedded in each of the concrete wall and damper contact surfaces. After the main structure is completed, the dampers are installed and connected to the pre-embedded plates by welding.

[0004] Taking the construction of the embedded plate in the upper section of the wall as an example, the traditional method is to first erect the bottom formwork of the wall during the construction of the upper section of the wall, then tie the seismic wall reinforcement to the formwork, and hang the wall reinforcement on the upper structural beam. The embedded plate is fixed to the wall reinforcement by welding, then the side formwork of the wall is installed, and finally, after the reinforcement, embedded plate, bottom formwork, and side formwork are installed, concrete is poured. When erecting the bottom formwork of the wall, wooden formwork + timber is usually used as the bottom bearing surface, and steel pipe scaffolding is set up below it for support.

[0005] This method has three drawbacks: First, the wooden formwork and the embedded parts are not connected, leaving a gap between them. During pouring, the welds on the embedded parts may break, causing them to fall onto the wooden formwork, compromising their position and levelness. Second, the embedded plate is welded to the wall reinforcement, which is suspended from the upper structural beam. Even if the embedded plate achieves the target levelness during fixing, the wall reinforcement may still shift during concrete vibration, causing the embedded plate to move as well, further compromising its position and levelness. Third, during concrete pouring, any changes in the position and levelness of the embedded plate cannot be observed, and corrective measures cannot be taken. These drawbacks affect the quality of the embedded parts, which in turn affects the direction of seismic force transmission, thus impacting the damper's effectiveness in reducing vibration.

[0006] A search revealed a pre-embedded component installation positioning and leveling crossbeam and its usage method, with publication number CN117513777A, relating to the field of pre-embedded component construction technology. This pre-embedded component installation positioning and leveling crossbeam includes a crossbeam body comprising two aluminum alloy flat strips perpendicularly connected at their midpoint. A triangular pyramid apex is fixedly mounted on the upper end of each of the two aluminum alloy flat strips, and a level bubble groove is formed on one side of the upper end of both the flat strips and the triangular pyramid apex. This solution, by setting a level bubble along the X and Y axes, can adjust the levelness of the pre-embedded component. Simultaneously, multiple scale lines are set on both sides (length direction) and the ends (height direction) of the pre-embedded component for alignment with the center and axis of the pre-embedded component. However, it is inconvenient for adjusting the flatness of the pre-embedded component and cannot limit its movement. Therefore, this invention, a metal damper pre-embedded component leveling device, was developed to address this need. Summary of the Invention

[0007] The technical problem to be solved by the present invention is to provide a leveling device for embedded metal dampers. By adopting a bottom mold with a sandwich panel structure, combined with the design of adjustable supports and positioning ribs, the device effectively solves the problem of difficulty in ensuring the level of the embedded plate in traditional embedded construction. Before concrete pouring, the device can achieve independent height adjustment of the four corners of the embedded plate through adjustable supports. With the monitoring mechanism of the circular bubble level at the center position, the adjustable supports can be rotated in real time for dynamic correction, avoiding displacement of the embedded plate caused by concrete vibration.

[0008] A leveling device for embedded parts of a metal damper includes: The bottom mold adopts a sandwich panel structure, consisting of the first wooden mold panel, wooden blocks, and the second wooden mold panel from bottom to top. An embedded plate is set on the second wooden mold panel and located in the upper recessed area of ​​the bottom mold; Multiple positioning ribs are welded to the lower surface of the embedded plate and pass through the reserved holes in the sandwich plate; Multiple uprights are installed below the bottom mold; An adjustable support is provided at the top of the upright to support the positioning rib. The height of the positioning rib can be adjusted by adjusting the adjustable support, and the upright supports the adjustable support. A leveling bubble is placed at the center of the lower surface of the embedded plate. The positioning and leveling of the embedded plate before and after pouring are completed by observing the leveling bubble.

[0009] Furthermore, the second wooden mold panel is a single-layer wooden mold panel structure in the area where the embedded plate is set, and a double-layer wooden mold panel structure in the remaining areas, and the recessed area is the area where the embedded plate is set.

[0010] Furthermore, the diameter of the reserved hole is larger than the diameter of the positioning rib, the positioning rib is a threaded steel bar, and a gap is left between the embedded plate and each side of the recessed area.

[0011] Furthermore, it also includes a positioning rib limiting module, which includes a limiting plate disposed on both sides of all the positioning ribs. By moving the limiting plate, the positioning ribs can be limited, thereby limiting the embedded plate.

[0012] The positioning rib limiting module also includes a base, on which the upright is fixed. A support rod is fixedly connected to the upper center of the base. The lower center of the support plate is fixed to the upper side of the support rod. Side strips are fixedly connected to both ends of the support plate. The outer ends of the two side strips on the same side are fixedly passed through by guide shafts. One end of the two guide shafts passes through both ends of the lower horizontal bar of one fixed plate. The other end of the two guide shafts passes through both ends of the lower horizontal bar of another fixed plate. The limiting plate is fixedly connected to the upper end of the opposite side of the vertical rods of the two fixed plates. The limiting plate abuts against the outer wall of the positioning rib to clamp and limit the positioning rib. The other end of the edge strip on the same side is passed through by the moving shaft. The two fixing plates are respectively fixedly connected to one end of the moving shaft. The upper center of the support plate is rotatably connected to a gear. The moving shaft is provided with teeth that mesh with the gear. The lower side of the support plate is fixedly connected to a fixing block. The fixing block is rotatably connected to one end of a screw. The screw is screwed to a protrusion. The protrusion is fixedly connected to the lower center of one of the fixing plates.

[0013] Furthermore, set screws are screwed to both sides of the protrusion, and the set screws can hold the screw rod in place. By rotating the set screws, the screw rod can be tightened, thereby limiting the position of the screw rod.

[0014] Furthermore, the adjustable support is screwed to the upright, and the height of the positioning rib can be adjusted by rotating the adjustable support, thereby adjusting the height of the four corners of the embedded plate.

[0015] Furthermore, a number of anchor bars are fixedly installed on the embedded plate. The anchor bars are fixedly connected to the wall and have no direct connection with the wall reinforcement.

[0016] Furthermore, the leveling bubble is a circular bubble level, which is adhered to the center of the lower surface of the embedded plate.

[0017] This invention also discloses a construction method using the leveling device for embedded metal dampers, comprising the following steps: Step 1: Embed the pre-embedded plate into the recessed area of ​​the sandwich panel, and pass the positioning rib through the reserved hole; Step 2: Initially adjust the level of the embedded plate using adjustable supports; Step 3: During the concrete pouring process, monitor the levelness of the embedded plate by adjusting the air bubbles; Step 4: When the levelness changes, adjust the adjustable support to perform a secondary leveling.

[0018] The present invention also discloses a building structure comprising an embedded plate installed by the aforementioned metal damper embedded part leveling device.

[0019] Compared with the prior art, the advantages and positive effects of the present invention are: This invention effectively solves the problem of ensuring the level of the embedded plate in traditional pre-embedded construction by using a sandwich panel structure bottom mold combined with an adjustable support and positioning ribs. Before concrete pouring, the device enables independent height adjustment of the four corners of the embedded plate through the adjustable support. Combined with the monitoring mechanism of the circular bubble level at the center position, the adjustable support can be rotated in real time for dynamic correction, avoiding displacement of the embedded plate caused by concrete vibration. The recessed area on the bottom mold limits the embedded part. When the embedded part is displaced, the bottom mold acts as a limiter. The embedded plate is not directly connected to the wall reinforcement. If the wall reinforcement is displaced, the embedded plate will not be displaced accordingly, thus eliminating the impact of the reinforcement displacement.

[0020] During the concrete pouring process, if the embedded parts are displaced, their levelness can be observed through the leveling bubble, and leveling can be achieved through adjustable supports. Attached Figure Description

[0021] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. Obviously, the drawings described below are merely some embodiments of the present invention, and those skilled in the art can obtain other drawings based on these drawings without creative effort. In the drawings: Figure 1 This is a schematic diagram of the structure of a leveling device for a metal damper embedded part according to the present invention; Figure 2 This is a schematic diagram of the sandwich panel structure in this invention; Figure 3 This is a schematic diagram of the installation process in this invention; Figure 4 This is a partial sectional view of the present invention; Figure 5 This is a partial cross-sectional view of another embodiment of the present invention; Figure 6 This is a partial sectional view of the timber, embedded plate, positioning ribs, and bottom formwork of the present invention; Figure 7 This is a partial perspective view of Embodiment 4 of the present invention; Figure 8 This is a partial three-dimensional representation of Embodiment 5 of the present invention. Figure 1 ; Figure 9 This is a partial three-dimensional representation of Embodiment 5 of the present invention. Figure 2 .

[0022] In the diagram: 101, First wooden formwork panel; 102, Recessed area; 103, Second wooden formwork panel; 2, Timber; 3, Embedded plate; 4, Positioning rib; 5, Adjustable support; 6, Upright; 7, Leveling bubble; 8, Anchoring rib; 9, Lower wall hanging; 10, Structural beam; 11, Support rod; 12, Base; 13, Support plate; 14, Limiting plate; 15, Fixing plate; 16, Guide shaft; 17, Protrusion; 18, Screw; 19, Top screw; 20, Fixing block; 21, Moving shaft; 22, Edge strip; 23, Gear; 24, Tooth. Detailed Implementation

[0023] The following is in conjunction with the attached diagram. Figures 1 to 9 The present invention will be described in detail below: Example 1, the content disclosed in this example is as follows: like Figure 1 , Figure 2 , Figure 4 As shown, a leveling device for embedded metal dampers includes: The bottom mold adopts a sandwich panel structure, consisting of a first wooden mold panel 101, a wooden block 2, and a second wooden mold panel 103 from bottom to top. The wooden block 2 is fixed on the upper side of the first wooden mold panel 101, and the second wooden mold panel 103 is fixed on the upper side of the wooden block 2. A recessed area 102 for accommodating the embedded plate 3 is provided on the upper side of the sandwich panel. An embedded plate 3 is set on the second wooden mold panel 103 and located in the upper recessed area 102 of the bottom mold; Multiple positioning ribs 4 are welded to the lower surface of the embedded plate 3 and pass through the reserved holes on the sandwich plate. One positioning rib 4 is welded to each of the four corners of the lower surface of the embedded plate 3. The positioning rib 4 can be made of Φ20 grade III threaded steel with a length of L=150±5mm. When the positioning rib 4 is welded, it corresponds to the position of the reserved hole to ensure that the positioning rib 4 can pass through the reserved hole. After the positioning rib 4 passes through the reserved hole, it protrudes 40±5mm from the bottom mold. Multiple uprights 6 are set below the bottom formwork. The uprights 6 are disc-lock type steel pipe uprights 6. The uprights 6 are installed on the opposite side wall and provide support for the adjustable support 5. An adjustable support 5 is provided at the top of the upright 6 to support the positioning rib 4. The height of the positioning rib 4 can be adjusted by adjusting the adjustable support 5, and the upright 6 supports the adjustable support 5.

[0024] The leveling bubble 7 is set at the center of the lower surface of the embedded plate 3. The leveling bubble 7 is adhered to the center of the lower surface of the embedded plate 3 and is used to observe the entire process of formwork support, fixing and pouring. The positioning and leveling of the embedded plate 3 before and after pouring are completed by observing the leveling bubble 7. The leveling bubble 7 adopts a high-precision circular bubble level, which has extremely high sensitivity and can accurately reflect the slight tilt of the embedded plate 3 in the horizontal direction.

[0025] During installation, it is necessary to ensure that the leveling bubble 7 is in close contact with the lower surface of the embedded plate 3, without any air bubbles or gaps, in order to ensure the accuracy of leveling. Before pouring concrete, by observing the position of the air bubbles in the leveling bubble 7, it is possible to quickly determine whether the embedded plate 3 is in a horizontal state. If the air bubbles deviate from the center position, the height of the four corners of the embedded plate 3 needs to be adjusted by adjusting the adjustable support 5 until the air bubbles return to the center position, ensuring that the levelness of the embedded plate 3 meets the design requirements.

[0026] During the concrete pouring process, the embedded plate 3 may move slightly or tilt due to the impact and vibration of the concrete. At this time, it is necessary to continuously observe the leveling bubble 7. Once the position of the bubble is found to change, the pouring should be stopped immediately, and the adjustable support 5 should be adjusted for secondary leveling to ensure that the embedded plate 3 remains horizontal during the concrete solidification process, thereby ensuring the installation accuracy and quality of the metal damper embedded parts.

[0027] In actual operation, since the existing embedded plate 3 is placed directly on the bottom formwork during installation, and the bottom formwork is not connected to the embedded plate 3, the embedded plate 3 will be displaced when it is squeezed during pouring. At this time, the bottom formwork has no limiting effect on the embedded plate 3. In order to enable the bottom formwork to limit the embedded plate 3, a sandwich panel bottom formwork is set. The sandwich panel bottom formwork forms a nested fit with the embedded plate 3 through the recessed area 102, which effectively limits the horizontal displacement of the embedded plate 3. The design of the positioning rib 4 passing through the reserved hole of the sandwich panel not only enhances the vertical connection stability between the embedded plate 3 and the bottom formwork, but also provides the necessary adjustment space for subsequent leveling operations through the reserved exposed length of 40±5mm.

[0028] The combination of disc-lock steel pipe uprights 6 and adjustable supports 5 enables height fine-tuning through screw connection. Combined with the leveling bubble 7 at the center of the lower surface of the embedded plate 3, it ensures that the height difference of the four corners of the embedded plate 3 is controlled within the allowable error range. This solves the problem of traditional bottom molds being unable to limit positioning and also meets the needs of rapid installation and leveling through modular components.

[0029] Example 2: Based on the above disclosure, this example further discloses the following: like Figure 2 As shown, the second wooden formwork panel 103 has a single-layer wooden formwork panel structure in the area where the embedded plate 3 is set, and a double-layer wooden formwork panel structure in the remaining areas. The recessed area 102 is the area where the embedded plate 3 is set.

[0030] In order for the bottom mold to limit the embedded plate 3, the upper side of the bottom mold of the sandwich panel structure is a double-layer wooden mold panel structure, and the area where the embedded plate 3 is placed is a single-layer wooden mold panel structure, forming a downward recessed area 102 for placing the embedded plate 3. Thus, the embedded plate 3 can be stuck between the double-layer wooden mold panels, which can play a limiting role.

[0031] The thickness of the single-layer wooden formwork panel is d1=15mm, and the height of the timber square 2 is h1=80mm.

[0032] The diameter of the reserved hole is larger than the diameter of the positioning rib 4, and the reserved gap is 4-6mm, preferably 5mm. That is to say, the optimal hole diameter is when the diameter of the reserved hole is 5mm larger than the diameter of the positioning rib 4.

[0033] The positioning bar 4 is a threaded steel bar with a diameter of 18-22mm and a length of 100-200mm.

[0034] A gap is left between the embedded plate 3 and each side of the recessed area 102. The gap is 3-7mm.

[0035] In practice, if the embedded plate 3 happens to perfectly match the dimensions of the recessed area 102, jamming may occur when adjusting the height of the adjustable support 5. To facilitate the adjustment of the height of the four corners of the embedded plate 3, a gap of 3-7mm is provided between the embedded plate 3 and the side of the recessed area 102. This effectively avoids jamming caused by excessively tight dimensional matching during adjustment. This gap design improves the flexibility of adjustment, thereby better adjusting the height of the four corners of the embedded plate 3 and meeting the flatness requirements of the embedded parts during construction. In practice, construction personnel can select a gap value within the range of 3mm to 7mm according to the site conditions to achieve the best adjustment effect.

[0036] The adjustable support 5 is screwed to the upright 6. By rotating the adjustable support 5, the height of the positioning rib 4 can be adjusted, thereby adjusting the height of the four corners of the embedded plate 3.

[0037] In this embodiment, the adjustable support 5 is a T-shaped structure with an upper circular plate and a lower threaded column. The upper circular plate of the adjustable support 5 is rotatably connected to the positioning rib 4 or directly abuts against the positioning rib 4. The lower threaded column of the adjustable support 5 is screwed to the upright rod 6. By rotating the adjustable support, its height can be adjusted to achieve the height adjustment of the positioning rib 4. When the adjustable support 5 rotates, the screw connection between its lower threaded column and the upright rod 6 produces a relative displacement. This displacement is directly transmitted to the upper circular plate, thereby driving the positioning rib 4 to adjust its height in the vertical direction. Since the positioning rib 4 is welded to the lower surface of the embedded plate 3, the height change of the positioning rib 4 will be reflected synchronously at the four corners of the embedded plate 3, realizing the control of the overall flatness of the embedded plate 3. During construction, the operator can gradually adjust the height of each corner of the embedded plate 3 by rotating the adjustable support 5, and with the real-time feedback of the leveling bubble 7, ensure that the height difference of the four corners of the embedded plate 3 is controlled within the design allowable range.

[0038] In actual use, manual observation and adjustment are quite troublesome. Therefore, in order to replace manual adjustment, the adjustable support 5 is set as an electric push rod. The fixed end of the electric push rod is fixed to the upright 6, and the movable end of the electric push rod can fix the push block. The push block abuts against the lower end of the positioning rib 4. The height of the positioning rib 4 is adjusted by extending and retracting the telescopic rod of the electric push rod.

[0039] In actual operation, in order to further reduce the instability of manual operation, a data acquisition module is added to acquire the attitude data of the embedded plate 3 in real time. This module includes a tilt sensor and / or a displacement sensor. The data acquisition module is integrated on the leveling bubble 7. The tilt sensor and / or displacement sensor are embedded in the center of the leveling bubble 7 body. A control module is also provided.

[0040] The control module includes a controller, which can be a handheld or fixed smart display terminal. It contains a receiver for receiving data transmitted from the data acquisition module and a signal processing unit. The signal processing unit converts the data into a display signal and displays it on the display terminal. The controller controls the start and stop of the electric push rod. The control module and the data acquisition module transmit data via Bluetooth or LoRa wireless technology. The module receives real-time attitude data sent by the data acquisition module and compares the real-time attitude data with a preset target level threshold. When the real-time attitude data exceeds the target level threshold, a control command is generated. The control command is sent to the adjustable support 5 to drive it to automatically adjust its height to restore the levelness of the embedded plate 3.

[0041] like Figure 3As shown, a number of anchor bars 8 are fixedly installed on the embedded plate 3. The anchor bars 8 are fixedly connected to the wall and have no direct connection with the wall reinforcement. The wall and the structural beam 10 are connected by reinforcement. The embedded plate 3 is fixed to the wall by the anchor bars 8 after the casting is completed. The anchor bars 8 on the embedded plate 3 do not come into contact with the reinforcement in the wall, avoiding stress concentration problems that may be caused by the contact of reinforcement. This design effectively disperses the structural stress and improves the overall stability.

[0042] The anchor bars 8 are made of HRB400 grade hot-rolled ribbed steel bars with a diameter of 12-16mm. Their length is designed to be 200-300mm depending on the wall thickness. During construction, the anchor bars 8 are first welded to the embedded plate 3. The welding length meets the requirements of 5d for double-sided welding and 10d for single-sided welding, ensuring the connection strength reaches the design value. This non-contact anchoring method not only ensures a reliable connection between the embedded plate 3 and the wall but also avoids the construction difficulties caused by cross-tying of steel bars in traditional construction. It is particularly suitable for the installation of embedded parts in complex areas with dense steel reinforcement. By adjusting the arrangement density and length of the anchor bars 8, it can adapt to the structural requirements of walls of different thicknesses and different seismic resistance levels.

[0043] Example 3: Based on the above disclosure, this example further discloses the following: The present invention also discloses a construction method using the leveling device, comprising the following steps: Step 1: Embed the pre-embedded plate 3 into the recessed area 102 of the sandwich panel, and the positioning rib 4 passes through the reserved hole; Step 2: Initially adjust the level of the embedded plate 3 using the adjustable support 5; Step 3: During the concrete pouring process, the levelness of the embedded plate 3 is monitored by adjusting the leveling bubble 7; Step 4: When the levelness changes, adjust the adjustable support 5 to perform a secondary leveling.

[0044] The present invention also discloses a building structure comprising the embedded plate 3 installed by the aforementioned leveling device.

[0045] The method of using the first embodiment of the present invention is as follows: According to the design requirements, install the bottom formwork using a sandwich panel structure into the designated position, ensuring that the bottom formwork is firmly installed and its levelness meets the requirements. For the bottom formwork of the sandwich panel structure, ensure that the connection between the first wooden formwork panel 101, the wooden block 2, and the second wooden formwork panel 103 is stable, and that the dimensions of the recessed area 102 are accurate. Then, place the embedded plate 3 and embed it into the recessed area 102 of the sandwich panel, so that the embedded plate 3 and the recessed area 102 are nested and fitted. At the same time, allow the positioning rib 4 to pass through the reserved hole on the sandwich panel. Note that the position of the positioning rib 4 welded to the lower surface of the embedded plate 3 must be accurate, and the length of the positioning rib 4 protruding from the bottom formwork after passing through the reserved hole must be 40±5mm. The requirements are as follows: Install the disc-lock steel pipe upright 6 on the opposite wall, ensuring that the upright 6 is installed vertically and stably. Then, set the adjustable support 5 on the top of the upright 6 and connect the adjustable support 5 to the upright 6 firmly by screwing. The upper circular plate structure of the adjustable support 5 should be able to rotate to connect to the positioning rib 4 or directly abut against the positioning rib 4. Then, perform preliminary leveling. By rotating the adjustable support 5, adjust the height of the positioning rib 4, and then adjust the height of the four corners of the embedded plate 3. With the real-time feedback of the leveling bubble 7, observe the position of the bubble in the leveling bubble 7 and make the bubble centered. Adjust the level of the embedded plate 3 to meet the design requirements. After the above steps, concrete pouring is carried out. During the pouring process, the position of the air bubbles in the leveling bubble 7 is continuously observed. If any change in the position of the air bubbles is detected, pouring should be stopped immediately, and secondary leveling should be performed by adjusting the adjustable support 5 to ensure that the embedded plate 3 remains horizontal throughout the concrete solidification process. Finally, the embedded plate 3 is fixed to the wall. After the concrete is poured and solidified, the embedded plate 3 is fixed to the wall by the anchor bars 8. The anchor bars 8 on the embedded plate 3 do not come into contact with the steel bars in the wall, avoiding stress concentration problems that may be caused by the contact between the steel bars, effectively dispersing the structural stress and improving the overall stability.

[0046] Example 4: Based on the above disclosure, this example further discloses the following: To further limit the position of the embedded plate 3, a positioning rib limiting module is set up. The positioning rib 4 is used to limit the position of the embedded plate 3. This embodiment further discloses the following: like Figure 7 , Figure 8 , Figure 9 As shown, it also includes a positioning rib limiting module, which includes a limiting plate 14. The limiting plate 14 is disposed on both sides of all the positioning ribs 4. By moving the limiting plate 14, the positioning ribs 4 can be limited, which is used to limit the embedded plate 3. The positioning rib limiting module also includes a base 12, on which the upright 6 is fixed. A support rod 11 is fixedly connected to the upper center of the base 12. The lower center of the support plate 13 is fixed to the upper side of the support rod 11. Side strips 22 are fixedly connected to both ends of the support plate 13. The outer ends of the two side strips 22 on the same side are fixedly passed through by guide shafts 16. One end of the two guide shafts 16 passes through both ends of the lower horizontal bar of one fixed plate 15, and the other end of the two guide shafts 16 passes through both ends of the lower horizontal bar of another fixed plate 15. The limiting plate 14 is fixedly connected to the upper end of the opposite side of the vertical rods of the two fixed plates 15.

[0047] The limiting plate 14 can abut against the outer wall of the positioning rib 4 to clamp and limit the positioning rib 4. The other end of the edge strip 22 on the same side is passed through by the moving shaft 21. The two fixing plates 15 are respectively fixedly connected to one end of the moving shaft 21. The upper center of the support plate 13 is rotatably connected to the gear 23. The moving shaft 21 is provided with teeth 24 that mesh with the gear 23. The lower side of the support plate 13 is fixedly connected to the fixing block 20. The fixing block 20 is rotatably connected to one end of the screw 18. The screw 18 is screwed to the protrusion 17. The protrusion 17 is fixedly connected to the lower center of one of the fixing plates 15.

[0048] In this embodiment, the screw 18 and the protrusion 17 are thread-locked. The principle of thread-locking is that when the screw 18 and the protrusion 17 are screwed together, due to the axial component force generated by the thread profile angle, the system will generate a self-locking effect under specific friction conditions (the thread helix angle is less than the equivalent friction angle). This self-locking structure allows the protrusion 17 to automatically lock in its current position due to the friction between the threads after the screw 18 stops rotating, maintaining the clamping state of the limiting plate 14 without the need for an additional locking device. Specifically, in this device, when the screw 18 is rotated, the protrusion 17 will drive the fixing plate 15 fixed to it to move axially along the guide shaft 16, and then through the transmission structure of the side strip 22 and the moving shaft 21, the limiting plates 14 on both sides will move closer to or further away from the positioning rib 4 simultaneously.

[0049] The upright 6 is fixed on the base 12 to support the adjustable support 5. The base 12 is placed on the opposite wall. When the positioning rib 4 is reliably clamped by the limiting plates 14 on both sides, the thread self-locking function takes effect immediately, effectively preventing the limiting plates 14 from shifting due to vibration or external force during construction, and ensuring that the embedded plate 3 always maintains a precise positioning state.

[0050] When the screw 18 is rotated, the protrusion 17 moves along the axial direction of the screw 18, thereby driving the fixed plate 15 fixedly connected to it to move. Since the two fixed plates 15 are passed through by the guide shaft 16, the fixed plate 15 can drive the moving shaft 21 to move along the round hole passing through the side strip 22. The teeth 24 on the moving shaft 21 mesh with the gear 23. The movement of the moving shaft 21 drives the gear 23 to rotate. The gear 23 drives the other moving shaft 21 to move, thereby driving the other fixed plate 15 to move. The limiting plate 14 can abut against the outer wall of the positioning rib 4.

[0051] When the fixing plate 15 moves, the limiting plate 14 also moves accordingly, thereby clamping and limiting the positioning rib 4. This design effectively restricts the positioning rib 4 in the horizontal direction, further enhancing the stability of the embedded plate 3 during the pouring process. In addition, by rotating the screw 18, the clamping of the positioning rib 4 by the limiting plate 14 can be adjusted according to actual needs to accommodate positioning ribs 4 of different specifications and sizes.

[0052] In this embodiment, the screw 18 can be manually rotated by fixing a knob at the other end, or it can be driven by a motor (existing technology, not shown). When the motor drives the screw to rotate, a pressure sensor can also be installed on the side of the limiting plate 14 that contacts the positioning rib 4. The pressure sensor's electrical signal is connected to the controller. The controller receives the pressure data transmitted by the pressure sensor and determines whether the clamping force of the limiting plate 14 on the positioning rib 4 is appropriate based on a preset pressure threshold. If the clamping force is less than the preset threshold, the controller controls the motor to continue driving the screw 18 to rotate, so that the limiting plate 14 moves closer to the positioning rib 4, increasing the clamping force. Clamping force; if the clamping force is greater than the preset threshold, the controller controls the motor to rotate the screw 18 in the opposite direction, so that the limit plate 14 moves away from the positioning rib 4, reducing the clamping force, thereby ensuring that the positioning rib 4 is clamped stably and appropriately. It will not be displaced due to the influence of pouring during construction due to insufficient clamping force, nor will it damage the positioning rib 4 due to excessive clamping force. At the same time, the real-time feedback data from the pressure sensor can also help construction personnel to understand the stress situation of the positioning rib 4 in a timely manner, so as to take measures quickly in case of abnormality, and ensure the installation quality and construction safety of the entire leveling device and the embedded plate 3.

[0053] Example 5: Based on the above disclosure, this example further discloses the following: To further limit the movement of the screw 18 and the protrusion 17, this embodiment discloses the following: like Figure 8 As shown, set screws 19 are screwed to both sides of the protrusion 17. The set screws 19 can hold the screw 18. By rotating the set screws 19, the screw 18 can be tightened, thereby limiting the position of the screw 18.

[0054] By setting the set screws 19, after the protrusion 17 moves along the screw 18 to the target position, the set screws 19 on both sides can be tightened so that their ends tightly abut against the surface of the screw 18. At this time, the frictional force generated between the set screws 19 and the contact surface of the screw 18 forms an auxiliary locking structure, providing double protection with the thread self-locking effect. When the thread self-locking becomes slightly loose due to impact load, the mechanical locking function of the set screws 19 can immediately take effect to prevent the protrusion 17 from axial displacement.

[0055] The knob design optimizes the user experience. Its diameter is larger than that of screw 18 and its surface has anti-slip texture, allowing construction workers to rotate screw 18 with one hand without the need for tools.

[0056] Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the examples given above. Any changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also fall within the protection scope of the present invention.

Claims

1. A leveling device for embedded parts of a metal damper, characterized in that, include: The bottom mold adopts a sandwich panel structure, consisting of a first wooden mold panel (101), a wooden block (2), and a second wooden mold panel (103) from bottom to top. An embedded plate (3) is set on the second wooden mold panel (103) and located in the upper recessed area (102) of the bottom mold. Multiple positioning ribs (4) are welded to the lower surface of the embedded plate (3) and pass through the reserved holes on the sandwich plate; Multiple uprights (6) are installed below the bottom mold; An adjustable support (5) is provided on the top of the upright (6) to support the positioning rib (4). The height of the positioning rib (4) can be adjusted by adjusting the adjustable support (5). The upright (6) supports the adjustable support (5). The leveling bubble (7) is set at the center of the lower surface of the embedded plate (3). The positioning and leveling of the embedded plate (3) before and after pouring are completed by observing the leveling bubble (7).

2. The leveling device for embedded metal damper components according to claim 1, characterized in that, The second wooden formwork panel (103) is a single-layer wooden formwork panel structure in the area where the embedded plate (3) is set, and the remaining area is a double-layer wooden formwork panel structure. The recessed area (102) is the area where the embedded plate (3) is set.

3. The leveling device for embedded metal damper components according to claim 1, characterized in that, The diameter of the reserved hole is larger than the diameter of the positioning bar (4), the positioning bar (4) is a threaded steel bar, and the embedded plate (3) has a gap to each side of the recessed area (102).

4. The leveling device for embedded metal damper parts according to claim 3, characterized in that, It also includes a positioning rib limiting module, which includes a limiting plate (14). The limiting plate (14) is disposed on both sides of all the positioning ribs (4). By moving the limiting plate (14), the positioning ribs (4) can be limited, which is used to limit the embedded plate (3). The positioning rib limiting module also includes a base (12), on which the upright (6) is fixed, and a support rod (11) is fixedly connected to the upper center of the base (12), and the lower center of the support plate (13) is fixed on the upper side of the support rod (11). The two ends of the support plate (13) are respectively fixedly connected to the edge strips (22). The outer ends of the two edge strips (22) on the same side are fixedly passed through by the guide shafts (16). One end of the two guide shafts (16) passes through the two ends of the lower crossbar of a fixed plate (15), and the other end of the two guide shafts (16) passes through the two ends of the lower crossbar of another fixed plate (15). The upper end of the vertical rods of the two fixed plates (15) on opposite sides is fixedly connected to the limiting plate (14). The limiting plate (14) can abut against the outer wall of the positioning rib (4) to clamp and limit the positioning rib (4). The other end of the side strip (22) on the same side is passed through by the moving shaft (21). The two fixing plates (15) are respectively fixedly connected to one end of the moving shaft (21). The upper center of the support plate (13) is rotatably connected to a gear (23), and the moving shaft (21) is provided with teeth (24) that mesh with the gear (23). The lower side of the support plate (13) is fixedly connected to a fixing block (20), and the fixing block (20) is rotatably connected to one end of a screw (18). The screw (18) is screwed to a protrusion (17), and the protrusion (17) is fixedly connected to the lower center of the fixing plate (15).

5. A leveling device for embedded metal dampers according to claim 4, characterized in that, The two sides of the protrusion (17) are respectively screwed with set screws (19), which can hold the screw (18). By rotating the set screws (19), the screw (18) can be tightened, thereby limiting the position of the screw (18).

6. The leveling device for embedded metal damper parts according to claim 1, characterized in that, The adjustable support (5) is screwed to the upright (6). By rotating the adjustable support (5), the height of the positioning rib (4) can be adjusted, thereby adjusting the height of the four corners of the embedded plate (3).

7. A leveling device for embedded metal dampers according to claim 6, characterized in that, A number of anchor bars (8) are fixedly installed on the embedded plate (3). The anchor bars (8) are fixedly connected to the wall and have no direct connection with the wall reinforcement.

8. A leveling device for embedded parts of a metal damper according to claim 1, characterized in that, The leveling bubble (7) is a circular bubble level, which is attached to the center of the lower surface of the embedded plate (3).

9. A construction method using a leveling device for embedded metal dampers as described in any one of claims 1-8, characterized in that, Includes the following steps: Step 1: Embed the pre-embedded plate (3) into the recessed area (102) of the sandwich panel, and pass the positioning rib (4) through the reserved hole; Step 2: Initially adjust the level of the embedded plate (3) using the adjustable support (5); Step 3: During the concrete pouring process, the levelness of the embedded plate (3) is monitored by adjusting the air bubbles (7); Step 4: When the levelness changes, adjust the adjustable support (5) to perform secondary leveling.

10. A building structure, characterized in that, The embedded plate (3) is installed in the leveling device for the metal damper embedded part as described in any one of claims 1-7.

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