Turnover hinged type steel end mold
Through the design of the flip articulated steel end mold, the problem of water leakage in secondary lining gaps in tunnel construction is solved, the stable fixation and sealing of the water stop belt are achieved, and the waterproof effect of tunnel construction is ensured.
Patent Information
- Application Number
- CN202421377276.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-17
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-06-17
AI Technical Summary
In the existing tunnel construction technology, the segmented method of secondary lining leads to gaps between two adjacent sections of concrete, which is prone to water leakage, and the buried water stop belt is not easy to fix and easily disturb, resulting in unsatisfactory waterproofing effect of the construction joints.
A flip-art articulated steel end die is provided, including a steel end die body composed of the first sealing plate and the second sealing plate. By providing a combination of arcuate rods, movable shafts, slots and water stops, the extrusion fixation of the water stops is achieved to ensure that it is closely fitted at the concrete joints.
Through the design of the flip articulated steel end mold, the stable fixation of the water stop is achieved, the slippage is avoided, the sealing at the concrete joints is improved, and the waterproof effect of tunnel construction is ensured.
Smart Images
Figure CN222558555U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tunnel arch wall lining end formwork construction, in particular to a flip hinged steel end formwork. Background Art
[0002] The existing tunnel construction process is to first dig out an arched tunnel and perform the primary lining on the inner wall of the tunnel, and then arrange a secondary lining trolley in the tunnel to complete the secondary lining of the tunnel. Since the tunnel is generally long and the secondary lining trolley is short, the secondary lining of the tunnel is completed in sections: the secondary lining trolley is placed in the tunnel, the front and rear ends of the secondary lining trolley and the inner wall of the primary lining are sealed with cork, and concrete is poured into the cavity formed by the secondary lining trolley, the inner wall of the primary lining, and the cork to complete the secondary lining. After the concrete is cured, the cork is removed, and the secondary lining trolley is moved to the next workstation to repeat the above steps.
[0003] Since the secondary lining is completed in a segmented manner, there is a gap between the two adjacent sections of concrete, which is prone to water leakage, which brings great harm to the later operation of the tunnel. The embedded waterstop is set between the two adjacent sections of concrete to effectively avoid water leakage. In the prior art, the embedded waterstop is not easy to fix, and is generally fixed by bending steel bars. The waterstop is easily disturbed during the concrete pouring process. After forming, the waterproof effect of the construction joint is not ideal.
[0004] Therefore, it is necessary to provide a flip articulated steel end mold to solve the above technical problems. Utility Model Content
[0005] The utility model provides a flip hinged steel end mold, which solves the problems in the background technology.
[0006] In order to solve the above-mentioned technical problems, the utility model provides a flip articulated steel end mold, including a steel end mold body, wherein the steel end mold body is composed of a first sealing plate and a second sealing plate, a first arc rod is arranged on the surface of the first sealing plate, a second arc rod is arranged on the surface of the second sealing plate, the first arc rod and the second arc rod are movably connected by a movable shaft, a groove is provided on the other side of the first sealing plate and the second sealing plate, and a water stop belt is arranged inside the groove.
[0007] Preferably, the surfaces of the first sealing plate and the second sealing plate are provided with grooves inside the card slot, an extrusion plate is clamped inside the groove, a screw is spirally penetrated through the surfaces of the first sealing plate and the second sealing plate, one end of the screw is movably connected to the extrusion plate, and a handwheel is provided at the other end of the screw.
[0008] Preferably, a spring is provided on the inner wall of the slot, one end of the spring is connected to an extrusion column, a plurality of the extrusion columns are provided, and the plurality of extrusion columns are installed inside the slot through the spring.
[0009] Preferably, two groups of the first arc-shaped rods and the second arc-shaped rods are provided.
[0010] Preferably, the outer surface of the extruded plate is provided with anti-slip convex particles.
[0011] Preferably, a fixing plate is provided at one end of the first sealing plate and the second sealing plate, and a fixing hole is formed through the surface of the fixing plate.
[0012] Preferably, a plurality of grooves are provided, and the plurality of grooves are provided at equal distances inside the card slot.
[0013] Compared with the related art, the flip hinged steel end mold provided by the utility model has the following beneficial effects:
[0014] 1. Compared with the prior art, the flip hinged steel end mold is convenient for the steel end mold body to squeeze the water stop belt by setting the first sealing plate, the second sealing plate and the card slot. When operating, the water stop belt is first placed in the card slot, and then the second sealing plate is fixed to the concrete surface by fasteners, and then the water stop belt is attached to the concrete joint. Then the first sealing plate is rotated to make the first sealing plate attached to the concrete surface, and then the fasteners are used to move it. This method is simple to operate and is convenient for the water stop belt to be attached to the inside of the card slot, thereby avoiding the phenomenon of slipping and ensuring the sealing of the concrete joint. By setting the groove, squeezing The plates, screws and handwheels are used in combination. After the main body of the steel end mold is installed, the staff drives the screw to rotate through the handwheel, and then, under the push of the screw, the extrusion plate is driven to squeeze the waterstop inside the slot, so that the waterstop fits tightly to the concrete joint. This method is simple to operate and can avoid slipping. By setting springs and extrusion columns, after the waterstop is fixed to the concrete joint, the first sealing plate and the second sealing plate are rotated and upright, and then the extrusion column contacts the waterstop inside the slot, and then, under the action of the extrusion column and the spring, the surface of the waterstop is extruded and fixed, thereby improving the stability of the waterstop at the concrete joint. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 A schematic diagram of the structure of the flip articulated steel end mold provided by the utility model;
[0016] Figure 2 A schematic diagram of the main structure of the steel end mold of the flip articulated steel end mold provided by the utility model;
[0017] Figure 3 A schematic diagram of the extrusion plate structure of the flip articulated steel end die provided by the utility model;
[0018] Figure 4The utility model provides a schematic diagram of the extrusion column structure of the flip hinged steel end mold.
[0019] Numbers in the figure:
[0020] 1. Steel end mold body; 2. First sealing plate; 3. Second sealing plate; 4. Second arc rod; 5. Movable shaft; 6. First arc rod; 7. Groove; 8. Extrusion column; 9. Slot; 10. Fixing hole; 11. Fixing plate; 12. Extrusion plate; 13. Anti-skid convex particles; 14. Screw; 15. Hand wheel; 16. Spring. DETAILED DESCRIPTION
[0021] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.
[0022] First embodiment
[0023] Please refer to Figure 1-4 The flip hinged steel end mold includes a steel end mold body 1, which is composed of a first sealing plate 2 and a second sealing plate 3. The surface of the first sealing plate 2 is provided with a first arc rod 6, and the surface of the second sealing plate 3 is provided with a second arc rod 4. The first arc rod 6 and the second arc rod 4 are movably connected through a movable shaft 5. The first sealing plate 2 and the second sealing plate 3 are provided with a slot 9 on the other side, and a water stop strip is provided inside the slot 9.
[0024] By setting the first sealing plate 2, the second sealing plate 3 and the slot 9 for use in conjunction, it is convenient for the steel end mold body 1 to extrude the waterstop, so that during operation, the waterstop is first placed inside the slot 9, and then the second sealing plate 3 is fixed to the concrete surface by fasteners, and then the waterstop is attached to the concrete joint, and then the first sealing plate 2 is rotated to make the first sealing plate 2 fit on the concrete surface, and then it is moved by fasteners. This method is simple to operate and is convenient for the waterstop to be attached to the inside of the slot 9, thereby avoiding slipping and ensuring the sealing of the concrete joint.
[0025] The working principle of the flip articulated steel end mold provided by the utility model is as follows:
[0026] During operation, first place the water stop into the slot 9, then fix the second sealing plate 3 on the concrete surface through fasteners, then fit the water stop belt on the concrete joint, then rotate the first sealing plate 2 to fit the first sealing plate 2 on the concrete surface, and then move it through fasteners. This method is simple to operate and is convenient for making the water stop belt snap into the slot 9 to avoid slipping and ensure the sealing of the concrete joint. By setting the groove 7, the extrusion plate 12, the screw 14 and the hand wheel 15 for coordinated use, after the steel end mold body 1 is installed, the staff uses the hand wheel 1 5 drives the screw rod 14 to rotate, and then under the push of the screw rod 14, drives the extrusion plate 12 to extrude the water stop belt inside the slot 9, so that the water stop belt is tightly fitted to the concrete joint. This method is simple to operate and avoids slipping. By setting the spring 16 and the extrusion column 8, after the water stop belt is fixed to the concrete joint, the first sealing plate 2 and the second sealing plate 3 are rotated and erected, and then the extrusion column 8 contacts the water stop belt inside the slot 9, and then under the action of the extrusion column 8 and the spring 16, the surface of the water stop belt is extruded and fixed, thereby improving the stability of the water stop belt at the concrete joint.
[0027] Compared with the related art, the flip hinged steel end mold provided by the utility model has the following beneficial effects:
[0028] By setting the first sealing plate 2, the second sealing plate 3 and the slot 9 for use in combination, it is convenient for the steel end mold body 1 to extrude the waterstop, so that during operation, the waterstop is first placed inside the slot 9, and then the second sealing plate 3 is fixed to the concrete surface by fasteners, and then the waterstop is attached to the concrete joint, and then the first sealing plate 2 is rotated to make the first sealing plate 2 fit the concrete surface, and then it is moved by fasteners. This method is simple to operate and is convenient for the waterstop to be attached to the inside of the slot 9, thereby avoiding slipping and ensuring the sealing of the concrete joint. By setting the groove 7, the extrusion plate 12, the screw 14 and the hand wheel 15 for use in combination, After the steel end mold body 1 is installed, the staff drives the screw 14 to rotate through the hand wheel 15, and then the screw 14 drives the extrusion plate 12 to squeeze the waterstop inside the slot 9, so that the waterstop fits tightly to the concrete joint. This method is simple to operate and can avoid slipping. By setting the spring 16 and the extrusion column 8, after the waterstop is fixed to the concrete joint, the first sealing plate 2 and the second sealing plate 3 are rotated and upright, and then the extrusion column 8 contacts the waterstop inside the slot 9, and then the surface of the waterstop is squeezed and fixed under the action of the extrusion column 8 and the spring 16, thereby improving the stability of the waterstop at the concrete joint.
[0029] Second embodiment
[0030] Please refer to Figure 1-4 Based on the flip articulated steel end mold provided by the first embodiment of the present application, the second embodiment of the present application proposes another flip articulated steel end mold. The second embodiment is only a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.
[0031] Specifically, the flip articulated steel end mold provided by the second embodiment of the present application is different in that a groove 7 is provided on the surface of the first sealing plate 2 and the second sealing plate 3 inside the slot 9, an extrusion plate 12 is clamped inside the groove 7, a screw 14 is spirally penetrated and connected to the surface of the first sealing plate 2 and the second sealing plate 3, one end of the screw 14 is movably connected to the extrusion plate 12, and a handwheel 15 is provided at the other end of the screw 14. By setting the groove 7, the extrusion plate 12, the screw 14 and the handwheel 15, after the steel end mold body 1 is installed, the staff drives the screw 14 to rotate through the handwheel 15, and then, under the push of the screw 14, the extrusion plate 12 is driven to extrude the waterstop belt inside the slot 9, so that the waterstop belt is tightly fitted to the concrete joint. This method is simple to operate and avoids slipping.
[0032] By adopting this technical solution, a spring 16 is provided on the inner wall of the slot 9, one end of the spring 16 is connected to an extrusion column 8, a plurality of extrusion columns 8 are provided, and the plurality of extrusion columns 8 are installed inside the slot 9 through the spring 16. By providing the spring 16 and the extrusion column 8, after the waterstop is fixed to the concrete joint, the first sealing plate 2 and the second sealing plate 3 are rotated upright, and then the extrusion column 8 contacts the waterstop inside the slot 9, and then the surface of the waterstop is extruded and fixed under the action of the extrusion column 8 and the spring 16, thereby improving the stability of the waterstop at the concrete joint.
[0033] With this technical solution, two groups of the first arc rods 6 and the second arc rods 4 are provided. By providing two groups of the first arc rods 6 and the second arc rods 4, the stability of the connection between the first sealing plate 2 and the second sealing plate 3 is improved.
[0034] By adopting this technical solution, the outer surface of the extrusion plate 12 is provided with anti-skid convex particles 13. By providing the anti-skid convex particles 13, the anti-skid performance of the extrusion plate 12 is improved, thereby improving the gripping performance of the water stop belt and avoiding slipping.
[0035] By adopting this technical solution, a fixing plate 11 is provided at one end of the first sealing plate 2 and the second sealing plate 3, and a fixing hole 10 is opened through the surface of the fixing plate 11. By setting the fixing plate 11 and the fixing hole 10, it is convenient to fix the steel end mold body 1 with a fixing fastener passing through the fixing hole 10, so that it is fixed to the concrete surface.
[0036] By adopting this technical solution, a plurality of grooves 7 are provided, and the plurality of grooves 7 are provided at equal distances inside the card slot 9. By providing a plurality of grooves 7, a plurality of extrusion plates 12 can extrude the waterstop, thereby improving the sealing performance of the waterstop on the concrete joints.
[0037] It should be noted that all kinds of components used in this application document are standard parts and can be purchased on the market. The specific connection methods of each part adopt conventional means such as mature bolts, rivets and welding in the existing technology. Machinery, parts and electrical equipment all adopt conventional models in the existing technology. Circuit connections adopt conventional connection methods in the existing technology. Electrical equipment are connected to an external safe power supply, and no specific description is given here.
[0038] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A flip articulated steel end mold, comprising a steel end mold body (1), characterized in that: The steel end mold body (1) is composed of a first sealing plate (2) and a second sealing plate (3); a first arc-shaped rod (6) is arranged on the surface of the first sealing plate (2); a second arc-shaped rod (4) is arranged on the surface of the second sealing plate (3); the first arc-shaped rod (6) and the second arc-shaped rod (4) are movably connected via a movable shaft (5); a groove (9) is provided on the other side of the first sealing plate (2) and the second sealing plate (3); a water stop strip is arranged inside the groove (9).
2. The flip articulated steel end mold according to claim 1 is characterized in that: A groove (7) is provided on the surface of the first sealing plate (2) and the second sealing plate (3) inside the clamping groove (9), and an extrusion plate (12) is clamped inside the groove (7). A screw rod (14) is spirally penetrated and connected to the surface of the first sealing plate (2) and the second sealing plate (3), one end of the screw rod (14) is movably connected to the extrusion plate (12), and the other end of the screw rod (14) is provided with a hand wheel (15).
3. The flip articulated steel end mold according to claim 1 is characterized in that: A spring (16) is provided on the inner wall of the card slot (9), one end of the spring (16) is connected to an extrusion column (8), a plurality of the extrusion columns (8) are provided, and the plurality of extrusion columns (8) are all installed inside the card slot (9) via the spring (16).
4. The flip articulated steel end mold according to claim 1, characterized in that: The first arc-shaped rods (6) and the second arc-shaped rods (4) are provided in two groups.
5. The flip articulated steel end mold according to claim 2, characterized in that: The outer surface of the extrusion plate (12) is provided with anti-slip convex particles (13).
6. The flip articulated steel end mold according to claim 1, characterized in that: A fixing plate (11) is provided at one end of the first sealing plate (2) and the second sealing plate (3), and a fixing hole (10) is provided through the surface of the fixing plate (11).
7. The flip articulated steel end mold according to claim 2, characterized in that: A plurality of grooves (7) are provided, and the plurality of grooves (7) are provided at equal distances inside the card slot (9).