Device and method for suspended sliding starting of slip form
By designing a sliding device for sliding sliding in the sliding form, using I-shaped steel brackets, anchors, sliding form and positive system, the problems of low construction efficiency and lack of positive capacity of sliding form systems in the construction of gate wells are solved, and efficient concrete pouring and flexible adjustment of well walls are achieved.
Patent Information
- Application Number
- CN202411852576.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-03-14
AI Technical Summary
The prior art requires the construction of full-house scaffolding in the construction of gate well concrete, resulting in low construction efficiency and inconvenient disassembly and assembly of scaffolding, and the sliding form system lacks the ability to position the position, resulting in blind spots in pouring or slurry leakage.
A sliding mode suspended sliding device is designed, including a suspended sliding device, a forward position system and a control system. Through the combination of I-shaped steel brackets, anchors, sliding modes, telescopic rods, oblique braces and forward position systems, the suspended sliding of the sliding mode and the flexible adjustment of the well wall are achieved.
Through the sliding device of sliding form, the setting and demolition of scaffolding is avoided, construction efficiency is improved, and the problems of casting blind spots and slurry leakage caused by uneven well walls are solved, and flexible adjustment of the well walls and uniform pouring of concrete are achieved.
Smart Images
Figure CN119615906A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of building construction, and in particular relates to a device and method for sliding formwork suspended in mid-air. Background Art
[0002] At present, the concrete construction of the deep section of the gate shaft is generally carried out after the construction of the tunnel section is completed. In order to speed up the construction progress, it is necessary to scientifically separate the construction of the tunnel section and the gate shaft section, provide independent space for the construction of the gate shaft section and the control section, and greatly reduce the cross-construction between the two; the existing technology generally pours concrete by setting up a full-floor scaffolding, and the construction is carried out from bottom to top. The erection and dismantling of the scaffolding are very inconvenient; some existing construction technologies use a slipform system to cast section by section, but because the shaft wall is not completely smooth, uniform and vertical, there may be surface defects, and the slipform system itself does not have the ability to correct the position. During the lifting process, when the shaft wall surface changes, it cannot be flexibly adjusted accordingly, which is easy to produce casting dead corners or leakage, and the narrowing of the shaft wall will encounter the problem of poor sliding; therefore, it is necessary to design a slipform suspended sliding device and method to solve the above problems. Summary of the invention
[0003] The technical problem to be solved by the present invention is to provide a device and method for sliding a sliding form in mid-air, which solves the problem that in the prior art, scaffolding needs to be erected to achieve concrete pouring during the gate shaft concrete construction, which is inefficient and inconvenient to disassemble and assemble the scaffolding due to insufficient space. The method has the characteristics of performing segmented pouring construction through a sliding form, which greatly improves the working efficiency.
[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is: A device for sliding formwork suspended in the air, comprising a suspended sliding device, the suspended sliding device comprising an I-beam support, both ends of the I-beam support being anchored to the well wall through anchor rods; two groups of sliding forms are slidably connected to the upper surface of the I-beam support, and the two groups of sliding forms are connected through a telescopic rod of a casing structure; multiple first diagonal braces are connected to both sides of the lower surface of the I-beam support, one end of the first diagonal brace is connected to the lower surface of the I-beam support, and the other end is anchored to the well wall through the anchor rod; multiple first diagonal braces are connected through annular steel bars; a positioning system is slidably connected to the upper surface of the I-beam support, and the positioning system cooperates with the two groups of sliding forms in a slidable manner.
[0005] Preferably, the sliding formwork comprises a sliding plate, one side of the sliding plate is connected to the telescopic rod, and the other side of the sliding plate is connected to a triangular supporting frame, and the inclined surface of the supporting frame is composed of a plurality of second diagonal braces.
[0006] Preferably, the surface of the second diagonal brace is connected to the wooden formwork, and the second diagonal brace serves as a surrounding purlin of the wooden formwork.
[0007] Preferably, the alignment system includes a slide groove opened on the upper surface of the I-beam bracket, with sliders slidably connected on both sides of the slide groove, a guide rod connected to the top of the slider, and a through hole opened on the sliding plate to intersect with the guide rod and slide along the guide rod.
[0008] Preferably, a limiting platform is fixedly connected to the center of the slide slot, the bottom end of the limiting platform extends to the top of the slide slot and is fixed, and the top of the limiting platform is higher than the outside of the slide slot.
[0009] Preferably, laser distance measuring sensors are connected to both sides of the limit platform, the laser distance measuring sensors are respectively facing the side surfaces of the sliders on both sides, and an audible and visual alarm is connected to the top of the limit platform.
[0010] Preferably, the bottom end of the limit platform is connected to the lower end of the side surface of the slider via a spring sleeve, and the spring sleeve is located in the slide groove.
[0011] Preferably, the spring sleeve is a sleeve telescopic structure with a built-in spring, and a travel switch is provided on the outer surface of the inner tube section via an annular buckle sleeve.
[0012] Preferably, the laser distance measuring sensor, the travel switch and the sound and light alarm are all electrically connected to the controller, and the controller is electrically connected to the central control system of the grouting process.
[0013] Preferably, a method for a sliding formwork device to slide in mid-air comprises the following steps: S1, hoisting and installing the suspended sliding device at a predetermined height on the well wall; laying out the sliding formwork, connecting it with the sliding plate through the hoisting device, and hoisting the sliding plate to a predetermined casting position; S2, pour concrete according to design requirements, the concrete pouring height of the sliding section is 2.0m~2.5m; S3, when the concrete strength reaches the requirement, the sliding form is lowered by the lifting device, and the sliding form starts to slide and move to the next position, and the above concrete pouring process is repeated until all positions are poured; S4, when the well wall is uneven or the verticality is poor, the slider of the positioning system extends or shortens along with the spring sleeve, so that the wooden formwork can be close to the well wall in each pouring position, avoiding leakage and casting dead corners; S5, the laser distance sensor collects the real-time positioning data, and transmits the data to the central control system of the grouting process through the controller, and fine-tunes the grouting amount in real time through calculation; S6, when the positioning amount of the positioning system exceeds the set threshold, the travel switch is triggered, so that the controller executes the alarm of the sound and light alarm, and transmits the data to the central control system of the grouting process, stops the operation for maintenance, and handles the defects of the well wall; S7, the bottom of the sliding section concrete is a 45° slope. After the concrete strength reaches the requirement, the bottom slope is roughened and connected with the concrete of the next bin.
[0014] The beneficial effects of the device and method for sliding formwork suspended in mid-air provided by the present invention are as follows: 1. The present invention utilizes the surrounding rock around the gate well and the system anchor support system to construct a closed steel structure platform, and then utilizes the steel structure platform to construct the sliding section, thereby avoiding the erection and dismantling of scaffolding all over the floor, saving materials and labor input, and improving work efficiency; it solves the problem that during the gate well concrete construction in the prior art, scaffolding needs to be erected to achieve concrete pouring, which is inefficient, and the scaffolding is inconvenient to disassemble and assemble due to insufficient space, and has the characteristics of performing segmented pouring construction through sliding formwork, which greatly improves the working efficiency.
[0015] 2. The present invention sets a positioning system for the slipform system, which can adjust the feed amount and position of the wooden formwork according to the changes in the well wall, thereby avoiding leakage, casting dead corners and poor sliding problems; the positioning data can be linked with the grouting system, and the grouting amount can be fine-tuned in real time through calculation, thereby further avoiding leakage and casting dead corners. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The present invention will be further described below in conjunction with the accompanying drawings and embodiments: Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a top view schematic diagram of the alignment system in the present invention; Figure 3 It is a front view schematic diagram of the alignment system in the present invention; Figure 4 It is a logic block diagram of sensor connection in an embodiment of the present invention; Figure 5 is a flow chart of a method in an embodiment of the present invention; In the figure: a suspended sliding device 1, an I-beam support 11, a guide rod 12, a slider 13, a slide 14, a limit platform 15, a spring sleeve 16, a sliding form 2, a telescopic rod 21, a sliding plate 22, poured concrete 3, a laser ranging sensor 41, a travel switch 42, an audible and visual alarm 43, an anchor rod 5, a first diagonal brace 6, a ring steel bar 7, a second diagonal brace 8, and a wooden formwork 9. DETAILED DESCRIPTION
[0017] Embodiment 1: like Figure 1A device for sliding a formwork in mid-air includes a suspended sliding device 1, which includes an I-beam support 11, and both ends of the I-beam support 1 are anchored to the well wall through anchor rods 5; two groups of sliding forms 2 are slidably connected to the upper surface of the I-beam support 11, and the two groups of sliding forms 2 are connected through a telescopic rod 21 of a casing structure; multiple first diagonal braces 6 are connected to both sides of the lower surface of the I-beam support 11, one end of the first diagonal brace 6 is connected to the lower surface of the I-beam support 11, and the other end is anchored to the well wall through the anchor rod 5; multiple first diagonal braces 6 are connected through annular steel bars 7; the upper surface of the I-beam support 11 is slidably connected to a positioning system, and the positioning system slidably cooperates with the two groups of sliding forms 2.
[0018] Preferably, the sliding form 2 comprises a sliding plate 22 , one side of the sliding plate 22 is connected to the telescopic rod 21 , and the other side is connected to a triangular support frame, and the inclined surface of the support frame is formed by a plurality of second diagonal braces 8 .
[0019] Preferably, the surface of the second diagonal brace 8 is connected to the wooden formwork 9 , and the second diagonal brace 8 serves as a surrounding purlin of the wooden formwork 9 .
[0020] like Figure 2 As shown, preferably, the alignment system includes a slide groove 14 opened on the upper surface of the I-beam bracket 11, and sliders 13 are slidably connected on both sides of the slide groove 14. The top of the slider 13 is connected to the guide rod 12, and the sliding plate 22 has a through hole that is interlaced with the guide rod 12 and slides along the guide rod 12.
[0021] like Figure 3 As shown, preferably, a limiting platform 15 is fixedly connected at the center of the slide slot 14 , the bottom end of the limiting platform 15 extends to the top of the slide slot 14 and is fixed, and the top of the limiting platform 15 is higher than the outside of the slide slot 14 .
[0022] Preferably, laser distance measuring sensors 41 are connected to both sides of the limiting platform 15 , and the laser distance measuring sensors 41 face the side surfaces of the slider 13 on both sides respectively. An audible and visual alarm 43 is connected to the top of the limiting platform 15 .
[0023] Preferably, the bottom end of the limiting platform 15 is connected to the lower end of the side surface of the sliding block 13 via a spring sleeve 16 , and the spring sleeve 16 is located in the sliding groove 14 .
[0024] Preferably, the spring sleeve 16 is a sleeve telescopic structure with a built-in spring, and a travel switch 42 is provided on the outer surface of the inner tube section via an annular buckle sleeve.
[0025] like Figure 4 As shown, preferably, the laser distance sensor 41, the travel switch 42 and the sound and light alarm 43 are all electrically connected to the controller, and the controller is electrically connected to the central control system of the grouting process.
[0026] Embodiment 2: like Figure 5As shown, this embodiment provides a method for a sliding form suspended sliding device, comprising the following steps: S1, hoisting and installing the suspended sliding device 1 at a predetermined height on the well wall; laying out the sliding form 2, connecting it with the sliding plate 22 through the hoisting device, and hoisting the sliding plate 22 to a predetermined casting position; S2, pour concrete according to design requirements, the concrete pouring height of the sliding section is 2.0m~2.5m; S3, when the concrete strength reaches the requirement, the sliding form 2 is lowered by the lifting device, and the sliding form 2 starts to slide and moves to the next position, and the above concrete pouring process is repeated until all the positions are poured; S4, when the well wall is uneven or the verticality is poor, the slider of the positioning system extends or shortens along with the spring sleeve 16, so that the wooden formwork 9 can be close to the well wall at each pouring position, avoiding leakage and casting dead angles; S5, the laser distance sensor 41 collects the positive position data in real time, and transmits the data to the central control system of the grouting process through the controller, and fine-tunes the grouting amount in real time through calculation; S6, when the positioning amount of the positioning system exceeds the set threshold, the travel switch 42 is triggered, so that the controller executes the alarm of the sound and light alarm 43, and transmits the data to the central control system of the grouting process, stops the operation for maintenance, and handles the defects of the well wall; S7, the bottom of the sliding section concrete is a 45° slope. After the concrete strength reaches the requirement, the bottom slope is roughened and connected with the concrete of the next bin.
[0027] Embodiment three: This embodiment provides a method for manufacturing a sliding form suspended sliding device, comprising: Design of the sliding device: The suspended sliding device 1 of the gate shaft is the steel structure platform for the sliding construction. The upper part of the I-beam of the steel structure platform is a closed structure with a flat structure. A closed ring beam is set along the wall of the gate shaft. The closed ring beam is welded to the system anchor rod 5 and the inclined anchor rod 5. Considering the overall stability requirements, the welding length is 20d, and double-sided welding is adopted; longitudinal and transverse connecting beams are set in the platform. 45°~60° inclined supports are set at every 1m in the circumferential direction of the lower part of the platform. The inclined supports are welded to the system anchor rod 5 with a connection length of 20d and double-sided welding; the inclined supports are welded to the steel structure platform. The inclined supports should be kept at the same elevation as much as possible. If it is affected by the excavation surface and the same elevation cannot be achieved, a new steel ring beam should be added at the bottom. The inclined supports are uniformly welded to the steel ring beam. The steel ring beam and the system anchor rod 5 are welded in "L" shape. The welding adopts double-sided welding and should meet the requirements of relevant specifications; Installation of the skidding device and slipform: The steel structure platform is made of I-beam, which is quickly lifted and rotated at a fixed point by a gantry crane installed above the gate shaft. The skidding device is reliably welded with the anchor system such as the system anchor rods and inclined anchor rods, and the slipform is arranged and fixed on the skidding device.
Claims
1. A sliding form suspended sliding device, characterized in that: The invention comprises a suspended sliding device (1), wherein the suspended sliding device (1) comprises an I-beam support (11), wherein both ends of the I-beam support (11) are anchored to the well wall via anchor rods (5); the upper surface of the I-beam support (11) is slidably connected to two groups of sliding forms (2), and the two groups of sliding forms (2) are connected via telescopic rods (21) of a casing structure; both sides of the lower surface of the I-beam support (11) are connected to a plurality of first diagonal braces (6), one end of the first diagonal brace (6) is connected to the lower surface of the I-beam support (11), and the other end is anchored to the well wall via the anchor rods (5); the plurality of first diagonal braces (6) are connected via annular steel bars (7); the upper surface of the I-beam support (11) is slidably connected to a positioning system, and the positioning system is slidably matched with the two groups of sliding forms (2).
2. The device for sliding formwork suspended in mid-air according to claim 1, characterized in that: The sliding form (2) comprises a sliding plate (22), one side of the sliding plate (22) is connected to the telescopic rod (21), and the other side is connected to a triangular support frame, wherein the inclined surface of the support frame is formed by a plurality of second diagonal braces (8).
3. The device for sliding formwork suspended in mid-air according to claim 2, characterized in that: The surface of the second diagonal brace (8) is connected to the wooden formwork (9), and the second diagonal brace (8) serves as a surrounding purlin of the wooden formwork (9).
4. The device for sliding formwork suspended in mid-air according to claim 3, characterized in that: The alignment system comprises a slide groove (14) provided on the upper surface of an I-beam support (11), slide blocks (13) are slidably connected to both sides of the slide groove (14), the top of the slide block (13) is connected to a guide rod (12), and a through hole is provided on the sliding plate (22) to intersect with the guide rod (12) and slide along the guide rod (12).
5. The device for sliding formwork suspended in mid-air according to claim 4, characterized in that: A limiting platform (15) is fixedly connected to the center of the slide groove (14), the bottom end of the limiting platform (15) extends to the top of the slide groove (14) and is fixed, and the top of the limiting platform (15) is higher than the outside of the slide groove (14).
6. The device for sliding formwork suspended in mid-air according to claim 5, characterized in that: Laser distance measuring sensors (41) are connected to both sides of the limit platform (15), and the laser distance measuring sensors (41) face the side surfaces of the sliders (13) on both sides respectively. The top of the limit platform (15) is connected to an audible and visual alarm (43).
7. The device for sliding formwork suspended in mid-air according to claim 5, characterized in that: The bottom end of the limit platform (15) is connected to the lower end of the side surface of the slider (13) via a spring sleeve (16), and the spring sleeve (16) is located in the slide groove (14).
8. The device for sliding formwork suspended in mid-air according to claim 7, characterized in that: The spring sleeve (16) is a sleeve telescopic structure with a built-in spring, and a travel switch (42) is provided on the outer surface of the inner tube section via an annular buckle sleeve.
9. The device for sliding formwork suspended in mid-air according to claim 7, characterized in that: The laser distance sensor (41), the travel switch (42) and the sound and light alarm (43) are all electrically connected to the controller, and the controller is electrically connected to the central control system of the grouting process.
10. A method for a sliding form suspended sliding device according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1, hoisting and installing the suspended sliding device (1) at a predetermined height on the well wall; laying out the sliding form (2), connecting it to the sliding plate (22) via the hoisting device, and hoisting the sliding plate (22) to a predetermined casting position; S2, pour concrete according to design requirements, the concrete pouring height of the sliding section is 2.0m~2.5m; S3, after the concrete strength reaches the required level, the sliding form (2) is lowered by the lifting device, and the sliding form (2) starts to slide and moves to the next position, and the above concrete pouring process is repeated until all positions are poured; S4, when the well wall is uneven or has poor verticality, the slider of the positioning system extends or shortens along with the spring sleeve (16), so that the wooden formwork (9) can be close to the well wall at each pouring position, avoiding leakage and the formation of pouring dead corners; S5, the laser distance sensor (41) collects the positive position data in real time, and transmits the data to the central control system of the grouting process through the controller, and fine-tunes the grouting amount in real time through calculation; S6, when the positioning amount of the positioning system exceeds the set threshold value, the travel switch (42) is triggered, so that the controller executes the alarm of the sound and light alarm (43), and transmits the data to the central control system of the grouting process, stops the operation for maintenance, and handles the defects of the well wall; S7, the bottom of the sliding section concrete is an inclined surface. After the concrete strength reaches the requirement, the bottom inclined surface is roughened and connected with the concrete of the next bin.