Slope bottom plate concrete drawing die device
By designing a beveled bottom plate concrete molding device with components such as left and right tracks, adjustment brackets, cow legs, hydraulic traction and walking systems, the high cost, low efficiency and safety risks of the construction of the middle bottom plate concrete of water conservancy projects is solved, and stable, reliable, safe, convenient and efficient concrete molding and molding are achieved.
Patent Information
- Application Number
- CN202422132925.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-02
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-09-02
AI Technical Summary
In the construction of water conservancy projects, especially in the construction of bottom concrete of large hydraulic buildings, the existing technology has problems such as high material costs, low construction efficiency, difficult structural integrity and appearance quality control, and high safety risks.
A beveled bottom plate concrete pulling device is designed, which includes parallel left and right tracks, adjustment brackets, cow legs, positioning cones, hydraulic traction walking system, trusses, panels and smearing platforms. Through the collaborative work of these components, the stable, reliable, safe, convenient and efficient forming and demolding of concrete is achieved.
This device solves the problem that the infiltration type of the pull-die track affects the integrity and appearance quality of the concrete structure, avoids the difficulty and safety risks of synchronous operation of the hoist traction rope, improves construction efficiency and quality, and reduces material costs.
Smart Images
Figure CN223017630U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a concrete drawing die device. Background Art
[0002] In the construction of water conservancy projects, there are a large number of large-scale hydraulic structures such as flood discharge tunnels and chutes. The bottom slabs thereof have the characteristics of large area, steep slope, and normal concrete (slump: 50 mm to 90 mm). In the past construction process, for the bottom slabs with large longitudinal slopes, the inverted formwork or the drawing die construction with embedded tracks + winch system traction was usually adopted, which had many problems such as high construction material cost, low construction efficiency, difficult control of structural shape and appearance quality, and high safety risks. Summary of the Invention
[0003] The purpose of the utility model is to provide a stable, reliable, safe, convenient and efficient inclined bottom slab concrete drawing die device, which solves the problems that the embedded drawing die tracks affect the integrity and appearance quality of the concrete structure, and the synchronous operation of the winch traction rope traction is difficult and has high safety risks.
[0004] The purpose of the utility model is realized as follows:
[0005] Inclined plane bottom plate concrete slip form device. Parallel left and right tracks 11 are fixed on left and right adjusting brackets 10. The left and right adjusting brackets 10 are connected to left and right corbels 7. A number of left and right corbels 7 are respectively connected to positioning cones 8 embedded in left and right concrete walls. A cross beam 32 fixedly connected to the left and right ends of a truss 1 is fixedly connected with front and rear wheel seats 30. On the upper shaft of the front and rear wheel seats 30, there are first traveling wheels 3 located above the left and right tracks 11 of the I-shaped structure. On the lower shaft of the wheel seats 30, there are two first anti-clamping wheels 4 that are in reverse contact with the upper surface of the left and right tracks 11. The lower surface of the left and right tracks 11 is connected to the adjusting brackets 10. The two ends of the upper chord 31 of the truss 1 are respectively connected to the cross beam 32. The lower chord 33 of the truss 1 is connected to the panel 2. The right end of the panel 2 is connected to the left end of the finishing platform 12. The left and right tracks 11 are connected to a crawling oil cylinder 6. The crawling oil cylinder 6 has left and right clamping pliers 5. The clamping pliers 5 are box-shaped structures open at the bottom. The calipers with two symmetrical triangular wheels 53 are connected to the central axis 54 of the box-shaped structure. The triangular wheels 53 of the calipers are respectively engaged with symmetrical racks 55 on both sides of the track 11. At the front and rear ends of the clamping pliers 5, there are second traveling wheels 52 located above the ridges 56 on the central axis of the track 11. The ridges 56 of the track 11 are located in the middle of the symmetrical racks on the track 11. The second anti-clamping wheels 51 that are in dynamic fit with the lower shaft 57 at the lower part of the box body of the clamping pliers 5 are in reverse contact with the upper surface of the track 11. The second traveling wheels 52 are in positive contact with the ridges 56 on the upper surface of the track 11. The cylinder body of the crawling oil cylinder 6 is hinged to the left clamping pliers. The piston rod of the crawling oil cylinder 6 is hinged to the right clamping pliers. The right clamping pliers are fixedly connected to the traction truss 1. The electromagnetic valve controls the telescopic movement of the piston rod of the crawling oil cylinder 6 to make the traction truss 1 crawl on the track 11. The calipers are hinged to the piston rod of the push cylinder in the box body of the clamping pliers 5. The telescopic movement of the piston rod of the push cylinder controls the engagement or separation of the triangular wheels 53 of the calipers with the symmetrical racks 55 on both sides of the track 11. During operation, one clamping plier is locked and one clamping plier is unlocked. The electromagnetic valve controls the telescopic movement of the piston rod of the crawling oil cylinder to make the truss crawl on the track.
[0006] The left and right adjusting brackets 10 are composed of a U-shaped steel groove 34, two screw rods 35, and eight nuts 36. The track 11 is connected to the U-shaped steel groove 34. The screw rods 35 are connected to the corbels 7. Two nuts 36 are in close contact with the upper and lower surfaces of the corbels 7. Two nuts 36 are in close contact with the bottom surface of the U-shaped steel groove 34. The screw rods 35 have full-length threads, and the installation accuracy of the track 11 is adjusted through the nuts 36.
[0007] The device of the present utility model is stable, reliable, safe, economical, convenient, and efficient. During actual construction, according to technical requirements such as the structure form and shape control of the flood discharge trough, parameters of the truss 1, panel system 2, traveling wheels 3, anti-clamping wheels 4, clamping pliers 5, crawling oil cylinder 6, corbels 7, positioning cones 8, snake-shaped steel bars 9, adjusting brackets 10, traveling tracks 11, finishing platforms 12, etc. are adjusted, and it can be widely used in the construction of bottom plate concrete of flood discharge tunnels, flood discharge troughs, etc. Description of the Drawings
[0008] Figure 1 This is the front view of the utility model;
[0009] Figure 2 It is Figure 1 the top view of;
[0010] Figure 3 It is Figure 1 the left view of;
[0011] Figure 4 It is Figure 3 the partial enlarged view of;
[0012] Figure 5 This is the schematic diagram of the connection between the climbing clamp and the track of the utility model;
[0013] Figure 6 It is Figure 5 the A-A sectional view of;
[0014] Figure 7 It is Figure 5 the B-B sectional view of;
[0015] Figure 8 This is the schematic diagram of the connection between the adjusting bracket and the bracket of the utility model;
[0016] Figure 9 It is Figure 8 the C-C sectional view of;
[0017] Figure 10 It is Figure 8 the D-D sectional view of. Specific embodiments
[0018] Inclined plane bottom plate concrete slipform device. Parallel left and right tracks 11 are fixed on left and right adjusting brackets 10. The left and right adjusting brackets 10 are connected to left and right corbels 7. A number of left and right corbels 7 are respectively connected to positioning cones 8 embedded in left and right concrete walls. A cross beam 32 fixedly connected to the left and right ends of a truss 1 is fixedly connected with front and rear wheel seats 30. On the upper shaft of the front and rear wheel seats 30, there are first traveling wheels 3 located on the upper surface of the left and right tracks 11 of the I-shaped structure. On the lower shaft of the wheel seats 30, there are two first anti-clamping wheels 4 that are in reverse contact with the upper surface of the left and right tracks 11. The lower surface of the left and right tracks 11 is connected to the adjusting brackets 10. The two ends of the upper chord 31 of the truss 1 are respectively connected to the cross beam 32. The lower chord 33 of the truss 1 is connected to a panel 2. The right end of the panel 2 is connected to the left end of a finishing platform 12. The left and right tracks 11 are connected to a crawling oil cylinder 6. The crawling oil cylinder 6 has left and right crawling clamps 5. The crawling clamps 5 are box-shaped structures that are open at the bottom. Calipers with two symmetric triangular wheels 53 are connected to the central axis 54 of the box-shaped structure. The triangular wheels 53 of the calipers are respectively meshed with symmetric racks 55 on both sides of the track 11. At the front and rear ends of the crawling clamps 5, there are second traveling wheels 52 located on the raised strips 56 on the central axis of the track 11. The raised strips 56 of the track 11 are located in the middle of the symmetric racks on the track 11. Second anti-clamping wheels 51 that are in dynamic fit with the lower shaft 57 at the lower part of the box body of the crawling clamps 5 are in reverse contact with the upper surface of the track 11. The second traveling wheels 52 are in positive contact with the raised strips 56 on the upper surface of the track 11. The cylinder body of the crawling oil cylinder 6 is hinged to the left crawling clamp. The piston rod of the crawling oil cylinder 6 is hinged to the right crawling clamp. The right crawling clamp is fixedly connected to the traction truss 1. The solenoid valve controls the telescopic movement of the piston rod of the crawling oil cylinder 6 to make the traction truss 1 crawl on the track 11. The caliper is hinged to the piston rod of a jacking oil cylinder in the box body of the crawling clamps 5. The telescopic movement of the piston rod of the jacking oil cylinder controls the meshing or separation of the triangular wheels 53 and the symmetric racks 55 on both sides of the track 11.
[0019] The adjusting bracket 10 is composed of a U-shaped steel groove 34, two screw rods 35, and eight nuts 36. The track 11 is connected to the U-shaped steel groove 34. The screw rods 35 are connected to the corbels 7. Two nuts 36 are in close contact with the upper and lower surfaces of the corbels 7. Two nuts 36 are in close contact with the bottom surface of the U-shaped steel groove 34. The screw rods 35 have continuous threads, and the installation accuracy of the track 11 is adjusted through the nuts 36.
[0020] First, during the construction of the side wall, embed the positioning cones 8 and serpentine bars 9 according to the design drawings. Then install the corbels 7 and adjusting brackets 10 to form an anchoring and supporting system, fix the walking track 11 on the anchoring and supporting system, and then install the hydraulic traction walking system, truss 1, panel 2, and finishing platform 12. The two ends of the upper chord of the truss 1 are connected to the cross beam 32 in the hydraulic traction walking system, and the lower chord 33 of the truss 1 is connected to the panel 2. Two sets of crawling cylinders 6 are used in cooperation with the crawling clamps 5 to traction the truss 1 to crawl on the walking track 11. During the operation, as the formwork truss slides up, after the formwork truss slides past a standard section of the track, the walking track 11, adjusting bracket 10, and corbel 7 are successively removed from the downstream side, and then transferred to the upstream for track extension and installation. If the walking track 11 cannot be accurately installed due to the embedding error of the positioning cone, the screw 35 is adjusted by the nut 36 in the adjusting bracket 10 to control the installation accuracy of the track 11.
[0021] See Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 ; A sloping bottom concrete formwork device of the present utility model includes a truss 1, a panel 2, a walking wheel 3, a reverse buckle wheel 4, a crawling clamp 5, a crawling cylinder 6, a corbel 7, a positioning cone 8, a serpentine bar 9, an adjusting bracket 10, a walking track 11, a finishing platform 12, a wheel seat 30, an upper chord 31, and a lower chord 33.
[0022] The manufacturing, installation, and usage methods of the present utility model are as follows:
[0023] (1) Manufacturing of the sloping bottom concrete formwork device
[0024] The truss 1, panel 2, walking wheel 3, reverse buckle wheel 4, crawling clamp 5, corbel 7, positioning cone 8, serpentine bar 9, walking track 11, finishing platform 12, wheel seat 30, upper chord 31, cross beam 32, lower chord 33, U-shaped steel groove 34, screw 35, and nut 36 are all processed and manufactured into finished products in the processing factory according to the design drawings. The crawling cylinder 6 is purchased as a finished product on the market for assembly, and then transported to the site for installation.
[0025] (2) Installation of the sloping bottom concrete formwork device
[0026] First, according to the design drawings, the positioning cone 8 and serpentine ribs 9 are embedded during the construction of the side wall. Then, the bracket 7 and the adjustment bracket 10 are installed to form an anchor support system. The walking track 11 is fixed to the anchor support system. Then, the walking wheel 3, the buckle wheel 4, the climbing clamp 5, and the crawling cylinder 6 are installed to form a hydraulic traction walking system. Finally, the truss 1, the panel 2 and the plastering platform 12 are installed. Two sets of crawling cylinders 6 are used to pull and cooperate with the climbing clamp 5 to guide the truss 1 to crawl on the walking track 11, one set forward and one set backward. The two ends of the upper chord 31 of the truss 1 are connected to the crossbeam 32 in the hydraulic traction walking system, and the lower chord 33 of the truss 1 is connected to the panel 2. The device is leveled by adjusting the screw 35 in the bracket 10.
[0027] (III) Operation of the concrete formwork device for the inclined bottom plate
[0028] After the installation of a concrete formwork device for a sloped bottom plate is completed, relevant departments are organized to conduct a joint acceptance, and the device is put into operation after passing the acceptance. During the operation, the hydraulic traction systems on both sides are synchronously started to pull the truss 1 for sliding. After the truss 1 slides over a standard section of track, the walking track 11, the adjustment bracket 10, and the bracket 7 are removed from the downstream side in sequence, and then the track is extended and installed upstream, so that the bracket 7, the adjustment bracket 10, and the walking track 11 can be repeatedly used, saving materials and reducing construction costs.
[0029] After the concrete is vibrated into the warehouse, the panel 2 squeezes the concrete into shape to ensure that the shape control accuracy meets the design requirements. The panel system is pulled out before the concrete begins to set, and the finishing platform 12 carries people to finish the surface of the concrete just pulled out of the mold.
[0030] (IV) Disassembly of the concrete formwork device for the inclined bottom plate
[0031] First, disassemble the plastering platform 12 and truss 1, upper chord 31, lower chord 33, then disassemble the panel 2, and then disassemble the walking wheel 3, buckle wheel 4, wheel seat 30, climbing clamp 5, climbing cylinder 6, walking track 11 in sequence, and finally disassemble the adjustment bracket 10, bracket 7, positioning cone 8 in sequence, and transport the disassembled equipment and materials to the warehouse for storage and reuse. After all the disassembly is completed, use epoxy mortar to repair the holes in the positioning cone.
Claims
1. The inclined bottom plate concrete drawing device is characterized by: A concrete drawing device for a sloped bottom plate, wherein parallel left and right tracks (11) are fixed on left and right adjustment brackets (10), the left and right adjustment brackets are connected to left and right brackets (7), a plurality of left and right brackets are respectively connected to positioning cones (8) pre-buried in left and right concrete walls, a front and rear wheel seat (30) is fixedly connected to a crossbeam (32) fixedly connected to the left and right ends of a truss (1), the upper shafts of the front and rear wheel seats have first running wheels (3) located above the left and right tracks of an I-shaped structure, and the lower shafts of the front and rear wheel seats have two first buckles The wheel (4) is invertedly attached to the upper surface of the left and right tracks, and the lower surface of the left and right tracks is connected to the adjustment bracket (10). The two ends of the upper chord rod (31) of the truss are respectively connected to the cross beam (32), the lower chord rod (33) of the truss is connected to the panel (2), the right end of the panel is connected to the left end of the plastering platform (12), the left and right tracks are connected to the crawling cylinder (6), and the crawling cylinder is connected to the left and right climbing clamps (5). The climbing clamp is a box-shaped structure with an open bottom, and has two symmetrical triangular wheels (53) with clamps and a central axis (54) of the box-shaped structure. ), the triangular wheels of the caliper are respectively meshed with the symmetrical racks (55) on both sides of the track (11), and the front and rear ends of the climbing clamp are each provided with a second travel wheel (52) located above the convex strip (56) on the central axis of the track, and the convex strip of the track is located in the middle of the symmetrical rack on the track, and the second reverse buckle wheel (51) that is movably matched with the lower shaft (57) at the lower part of the box body of the climbing clamp is reversely attached to the upper surface of the track, and the second travel wheel (52) is directly attached to the convex strip on the upper surface of the track, and the cylinder body of the crawling oil cylinder (6) is hinged to the left climbing clamp, and the crawling oil The piston rod of the cylinder is hinged to the right climbing clamp, and the right climbing clamp is fixedly connected to the traction truss (1). The solenoid valve controls the extension and retraction of the piston rod of the climbing cylinder to make the traction truss crawl on the track (11). The caliper is hinged to the piston rod of the push cylinder in the box of the climbing clamp. The extension and retraction of the piston rod of the push cylinder controls the triangular wheel (53) to engage or disengage with the symmetrical racks (55) on both sides of the track. During operation, one climbing clamp is locked and the other climbing clamp is unlocked. The solenoid valve controls the extension and retraction of the piston rod of the climbing cylinder to make the truss crawl on the track.
2. The inclined floor concrete drawing mold device according to claim 1 is characterized in that: The left and right adjustment brackets (10) are composed of a U-shaped steel channel (34), two screws (35), and eight nuts (36). The track (11) is connected to the U-shaped steel channel, the screw (35) is connected to the bracket (7), the two nuts are closely attached to the upper and lower sides of the bracket, and the two nuts are closely attached to the bottom surface of the U-shaped steel channel. The screw (35) has a full-length thread, and the installation accuracy of the track (11) is adjusted by the nut (36).