Prefabricated assembly type cover plate combined cover plate culvert construction device

Abstract

The utility model relates to a prefabricated assembly type cover plate combined cover plate culvert construction device. The prefabricated assembly type cover plate combined cover plate culvert construction device comprises a shaped anti-overflow pouring integrated formwork, a weight compaction truss system, a transportation stabilizing support, a pouring and slicking integrated movable truss bottom plate pouring device, an inner supporting formwork system and a hanging type pouring device. The concrete pouring device has the advantages that concrete is conveyed to the pouring spray head through an external pouring machine conveying pump, and then the concrete is evenly sprayed into the Y-shaped funnel through repeated displacement of the telescopic rod; the continuously rotating spiral stirring rod enables concrete in the Y-shaped hopper to uniformly and quickly fall into the feeding die groove, and meanwhile, the trolley moves repeatedly, so that blanking is more uniform, and the concrete filling efficiency is higher; a vibrating motor is additionally arranged on the outer side of the L-shaped steel mold to ensure that the concrete falling into the groove mold is uniformly paved and settled; and the scraping plate at the tail part of the trolley can utilize the repeated displacement of the trolley to scrape the concrete at the top after the pouring is finished.

Description

Technical Field

[0001] The utility model relates to the technical field of culvert construction, in particular to a construction device for a prefabricated assembled cover plate combined culvert. Background Art

[0002] In traditional culvert construction, the on-site casting method is usually adopted, which has many limitations. First of all, on-site casting depends on weather conditions, has a long construction period, and is easily affected by environmental factors, resulting in low construction efficiency. Secondly, the quality of the concrete cast on-site is difficult to control, and problems such as cracks and leakage are likely to occur, affecting the durability and safety of the structure. In addition, on-site construction causes great interference to the surrounding environment, which is not conducive to environmental protection and the cleanliness of the construction site. To solve these problems, the prefabricated assembled construction method has emerged. By prefabricating components in the factory and then transporting them to the site for assembly, it greatly improves the construction efficiency and quality and reduces the impact on the environment. However, the existing construction devices for prefabricated assembled culverts still have deficiencies in aspects such as formwork design, transportation stability, and pouring technology, and need to be further optimized to achieve a more efficient, safer, and more environmentally friendly construction process and solve the deficiencies in the existing technology. Content of the Utility Model

[0003] The purpose of the utility model is to overcome the deficiencies in the existing technology and provide a construction device for a prefabricated assembled cover plate combined culvert.

[0004] This construction device for a prefabricated assembled cover plate combined culvert includes a standardized anti-overflow pouring integrated formwork, a heavy object compaction truss system, a transportation stability support, a pouring and scraping integrated mobile truss bottom plate pouring device, an internal support formwork system, and a hanging pouring device;

[0005] The standardized anti-overflow pouring integrated formwork includes a steel formwork and an anti-overflow pouring trolley; the steel formwork is in an inverted π shape, and channel steel rails are provided on both sides of the top opening of the steel formwork. The anti-overflow pouring trolley slides on the channel steel rails, and a first scraper is provided at one end of the anti-overflow pouring trolley corresponding to the height of the top opening of the steel formwork.

[0006] The heavy object compaction truss system is supported on the steel formwork, and the pouring and scraping integrated mobile truss bottom plate pouring device is used for pouring the bottom plate.

[0007] Preferably, the steel formwork includes an L-shaped steel formwork, an irregular steel formwork, and a rectangular steel formwork; the L-shaped steel formwork, the irregular steel formwork, and the rectangular steel formwork are fixedly spliced by bolts to form the main body of the steel formwork; two channel steel rails are fixedly installed at both ends of the upper part of the L-shaped steel formwork by bolts; the anti-overflow pouring trolley is mounted on the channel steel rails, and the anti-overflow pouring trolley slides back and forth along the rails; a first steel diagonal brace and a vibrating motor are installed between the two sides of the L-shaped steel formwork.

[0008] Preferably, the anti-overflow pouring trolley comprises a cavity steel body, a first pulley, a Y-shaped hopper, an equipment box and a first scraper; the first pulley is fixed to the lower end of the cavity steel body, and the first pulley is mounted on a channel steel slide rail; the Y-shaped hopper is installed on the upper part of the cavity steel body; the equipment box is fixed to the front end of the cavity body, and the equipment box comprises a telescopic rod, a fixed block, a storage battery, a first motor and a spiral stirring rod; the telescopic rod is installed on the fixed block; a first clamping device is provided at the tip of the telescopic rod; a transverse slideway is provided on the fixed block, and the telescopic rod is horizontally displaced within the transverse slideway; the fixed block is mounted above the storage battery; the first motor is mounted below the storage battery, the first motor is connected to the spiral stirring rod, and the spiral stirring rod rotates within the cavity steel body; the first scraper is installed at the tail end of the cavity body.

[0009] Preferably, the heavy object compaction truss system comprises a basic truss structure, a steel cross beam and a heavy object; the bottom end of the basic truss structure is supported above the bottom edge of the L-shaped steel formwork, and the steel cross beam is supported on the top of the basic truss structure; the heavy object is pressed on the steel cross beam.

[0010] Preferably, the prefabricated and assembled cover plate is in an inverted π shape. When the prefabricated and assembled cover plates are stacked, the bottom plate of the upper prefabricated and assembled cover plate is supported on the two vertical plates of the lower prefabricated and assembled cover plate; the transportation stability support is arranged between the cover plates of the combined cover culvert of adjacent two layers of prefabricated and assembled cover plates; the cover plate transportation stability support comprises a steel plate and a steel diagonal brace.

[0011] Preferably, the integrated casting and scraping mobile truss bottom plate casting device comprises a steel truss, a second pulley, a steel slider, a sliding channel steel bar and a second scraper; the steel trusses are arranged in parallel on both sides of the bottom plate, and longitudinal slide rails are arranged at the upper ends of the steel trusses; the two ends of the bottom of the sliding channel steel bar are installed with second pulleys, and the second pulleys are embedded on the longitudinal slide rails of the steel trusses, and the sliding channel steel bar moves back and forth along the longitudinal slide rails; a transverse slide rail is arranged on the upper surface of the sliding channel steel bar; a second casting head is arranged on one side of the steel slider, and the steel slider slides on the sliding channel steel bar; the second scraper is fixed to one side of the sliding channel steel bar and is used for scraping the concrete when the sliding channel steel bar slides along the longitudinal track.

[0012] Preferably, the hanging type casting device comprises a third casting head, a second clamp, a barrel body, a spiral stirring rod and a second motor; a hole is provided at the bottom of the barrel body, the second clamp is fixed to the side of the barrel body, the outlet of the third casting head extends to the upper opening of the barrel body, and a spiral stirring rod is arranged inside the barrel body.

[0013] Preferably, the internal support formwork system comprises side wall steel formwork, sectional through bolts and second steel diagonal braces; the second steel diagonal braces are installed between the side wall steel formworks on both sides; the sectional through bolts penetrate through the side wall steel formworks on both sides.

[0014] The beneficial effects of the utility model are:

[0015] 1) The present utility model proposes a standardized anti-overflow casting integrated formwork, which greatly improves the precast casting efficiency and uniformity of the cover plate and achieves the anti-overflow effect. Concrete is transported to the casting nozzle through an external pouring machine delivery pump, and then evenly sprayed into the Y-shaped funnel by the repeated displacement of the telescopic rod; and the continuously rotating spiral stirring rod makes the concrete in the Y-shaped hopper fall evenly and quickly into the feeding die groove. At the same time, the trolley moves repeatedly, making the blanking more uniform and the concrete filling efficiency higher; a vibrating motor is added outside the L-shaped steel form to ensure that the concrete falling into the groove form is evenly paved and settled; the scraper at the tail of the trolley also enables the top concrete to be leveled by the repeated displacement of the trolley after casting; in addition, the setting of the storage battery makes the overall device not rely on external power supply, which is convenient and lightweight.

[0016] 2) The present utility model greatly improves the bottom plate casting efficiency by setting a casting and leveling integrated mobile truss bottom plate casting device. Concrete is transported to the casting nozzle through an external pouring machine delivery pump, and then the steel slider clamping the casting nozzle slides horizontally repeatedly to evenly spray the concrete at the bottom plate position; at the same time, the sliding channel steel bar slowly moves along the track, making the overall spraying trajectory in an s shape and the spraying uniform; the scraping blade slowly moves along the track with the sliding channel steel bar to level the sprayed concrete.

[0017] 3) The present utility model improves the safety and stability of transportation by setting a transportation stabilizing bracket.

[0018] 4) The present utility model proposes an internal support formwork system for side wall casting, which ensures the model support strength and saves the support truss; at the same time, the form removal steps are simple and convenient, and the form removal speed is fast, further improving the casting quality and construction speed of the side wall.

[0019] 5) The suspension casting device adopted by the present utility model is internally provided with a spiral stirring rod, making the blanking more uniform and the concrete filling efficiency higher. Description of the Drawings

[0020] Figure 1 It is a three-dimensional view of the front side of the standardized anti-overflow casting integrated formwork of the present utility model;

[0021] Figure 2 It is a three-dimensional view of the rear side of the standardized anti-overflow casting integrated formwork of the present utility model;

[0022] Figure 3 It is a sectional view of the trolley of the standardized anti-overflow casting integrated formwork of the present utility model;

[0023] Figure 4 It is a schematic diagram of the heavy object compaction truss system of the present utility model;

[0024] Figure 5Schematic diagram of the stable transportation support for the cover plate of the utility model;

[0025] Figure 6 Front view of the integrated casting and scraping mobile truss bottom plate casting device of the utility model;

[0026] Figure 7 Top view of the integrated casting and scraping mobile truss bottom plate casting device of the utility model;

[0027] Figure 8 Schematic diagram of the internal support formwork system of the utility model;

[0028] Figure 9 Cross-sectional view of the hanging casting device of the utility model;

[0029] In the figure: 1. Y-shaped hopper; 2. Hollow body; 3. First pulley; 4. Channel steel slide rail; 5. Telescopic rod; 6. First casting head; 7. Fixed block; 8. Battery; 9. First motor; 10. First steel diagonal brace; 11. Vibration motor; 12. Rectangular steel formwork; 13. First gripper; 14. L-shaped steel formwork; 15. Irregular steel formwork; 16. First scraper; 17. Steel truss; 18. Sliding channel steel bar; 19. Second pulley; 20. Steel slider; 21. Second scraper; 22. Second casting head; 23. Steel truss system; 24. Steel cross beam; 25. Heavy object; 26. Stable transportation support; 27. Segmented through bolts; 28. Node; 29. Second steel diagonal brace; 30. Second gripper; 31. Second motor; 32. Third casting head; 33. Spiral stirring rod; 34. Barrel body; 35. Lifting lug; 36. Suspension rope. Specific implementation mode

[0030] The following further describes the utility model in conjunction with the embodiments. The description of the following embodiments is only used to help understand the utility model. It should be noted that for those of ordinary skill in the art, without departing from the principle of the utility model, several modifications can still be made to the utility model, and these improvements and modifications also fall within the protection scope of the claims of the utility model.

[0031] Embodiment 1

[0032] As an embodiment, this prefabricated and assembled cover plate combined culvert construction device includes a standardized anti-overflow casting integrated formwork, a heavy object compaction truss system, a stable transportation support 26, an integrated casting and scraping mobile truss bottom plate casting device, an internal support formwork system, and a hanging casting device.

[0033] Such as Figures 1 to 3As shown in the figure, the standardized anti-overflow casting integrated formwork is composed of a steel formwork and an anti-overflow casting trolley; the steel formwork is composed of multiple L-shaped steel formworks 14, multiple irregular steel formworks 15, and multiple rectangular steel membranes 12; the three types of steel formworks can be orderly spliced and fixed with bolts to form the main body of the steel formwork; both the steel formwork and the precast assembled cover slab cast therein are in an inverted π shape, and two L-shaped channel steels 4 are fixed at both upper ends of the L-shaped steel formwork 14 with bolts; slide rails are arranged on the channel steels; the anti-overflow casting trolley is erected on the slide rails and can slide back and forth along the slide rails.

[0034] The anti-overflow casting trolley is composed of a cavity steel body 2, a first pulley 3, a Y-shaped hopper 1, an equipment box, and a first scraper 16; the first pulley 3 is fixed at the lower end of the cavity steel body 2 and is erected on the channel steel slide rail 4; the Y-shaped hopper 1 is installed at the upper part of the cavity steel body 2; the equipment box is fixed at the front section of the cavity body 2 and is composed of a telescopic rod 5, a fixed block 7, a storage battery 8, a first motor 9, and a spiral stirring rod 33; the telescopic rod 5 is installed on the fixed block 7; a first gripper 13 is provided at the tip of the telescopic rod 5, and during casting, the concrete can be made uniform through front and back telescopic displacement; a transverse slideway is provided on the fixed block 7, which can drive the telescopic rod 5 to displace transversely to further improve the uniformity of concrete casting; the fixed block 7 is installed on the storage battery 8, and the storage battery 8 supplies energy for the entire trolley device; the first motor 9 is installed under the storage battery 8 and is connected to the spiral stirring rod 33, and drives the spiral stirring rod 33 to rotate and stir the falling concrete during work to make it uniform; the first scraper 16 is installed at the tail end of the cavity body 2 to facilitate scraping the concrete flat. After the L-shaped steel formwork 14 is set up, first steel diagonal braces 10 need to be installed on both sides to prevent the formwork from falling off due to concrete expansion during the casting process. After the L-shaped steel formwork 14 is set up, vibration motors 11 need to be installed on both sides to fully vibrate the concrete during the casting process so that it uniformly fills the formwork, thereby achieving the purpose of anti-overflow.

[0035] As Figure 4 shown, the heavy object compaction truss system is erected on the cover slab that has been cast but not yet demolded, and is composed of a basic truss structure 23, a steel cross beam 24, and a heavy object 25; the steel cross beam 24 is spliced by channel steels; the formwork is ensured not to expand during the curing period by heavy object compaction.

[0036] As Figure 5 shown, the cover slab transportation and stability support 26 is composed of steel plates and steel diagonal braces; the cover slab is transported in a stacked manner; the transportation and stability support 26 is arranged on the lower cover slab to ensure that it is not damaged during transportation.

[0037] Embodiment 2

[0038] As another embodiment, this Embodiment 2 is proposed on the basis of Embodiment 1, and is a more specific construction device for a precast assembled cover slab combined culvert.

[0039] As Figures 6 to 7 shown, the integrated casting and scraping mobile truss bottom plate casting device is composed of a steel truss 17, a second pulley 19, a steel slider 20, a sliding channel steel bar 18, and a second scraper 21. The steel trusses 17 are arranged in parallel on both sides of the bottom plate, and slide rails are provided at the upper ends. Second pulleys 19 are installed at the bottoms of both ends of the sliding channel steel bar 18 and are embedded on the slide rails of the steel trusses, and can move forward and backward along the slide rails as a whole. Slide rails are additionally provided on the upper surface of the sliding channel steel bar 18. A second casting head 22 is provided on one side of the steel slider 20, and pulleys are provided at the bottom and are mounted on the sliding channel steel bar 18. The second scraper 21 is fixed to one side of the sliding channel steel bar 18 and scrapes the concrete flat when the sliding channel steel bar slides along the track.

[0040] As Figure 8 shown, the internal support formwork system is composed of side wall steel formwork, segmental through bolts 27, and second steel diagonal braces 29. After the side wall formwork is erected, the second steel diagonal braces 29 are installed on the inner sides of both side walls. Subsequently, the segmental through bolts 27 are used to pass through the side wall formwork on both sides and are tensioned inward, so as to fix the formwork inward, achieving the purpose of saving formwork and efficient construction. When the formwork is removed after the side wall maintenance is completed, first disconnect the joints of the segmental through bolts, then loosen the bolts on both sides of the side formwork, and pull out the through bolts for demoulding.

[0041] As Figure 9 shown, the hanging casting device is composed of a suspension rope 36, a second gripper 30, a lifting lug 35, a barrel body 34, a spiral stirring rod 33, and a second motor 31. During construction, the hanging device is hoisted by a crane pulling the suspension rope 36 through the lifting lug 35. The second gripper 30 is fixed to the side of the barrel body, and concrete is pumped in from below and pumped out from the third casting head 32. The pumped concrete falls into the barrel, and the spiral stirring rod 33 is driven by the second motor 31 to stir the concrete evenly, and is evenly spread into the mold through the holes at the bottom of the barrel. This device is used to cast the side wall and the in-situ layer after the cover plate is hoisted.

[0042] It should be noted that the parts that are the same or similar to those in the first embodiment in this embodiment can be referred to each other, and will not be elaborated in this application.

[0043] It should be noted that the parts that are the same or similar to those in the first embodiment in this embodiment can be referred to each other, and will not be elaborated in this application.

[0044] In this specification, each embodiment is described in a progressive manner. The key points of each embodiment are the differences from other embodiments. The same or similar parts among the embodiments can be referred to each other.

Claims

1. A prefabricated assembled cover plate combined cover plate culvert construction device, characterized in that: It includes a standardized anti-overflow pouring integrated formwork, a heavy object compaction truss system, a transport and stabilization bracket, a pouring and leveling integrated mobile truss bottom plate pouring device, an internal support formwork system and a hanging pouring device; The standardized anti-overflow pouring integrated template comprises a steel mold and an anti-overflow pouring trolley; the steel mold is in an inverted π shape, and both sides of the top opening of the steel mold are provided with channel steel slide rails, the anti-overflow pouring trolley slides on the channel steel slide rails, and a first scraper is provided at one end of the anti-overflow pouring trolley corresponding to the top opening height of the steel mold; The heavy object compacted truss system is supported on the steel formwork, and the casting and leveling integrated movable truss bottom plate casting device is used to cast the bottom plate.

2. The prefabricated assembled cover plate combined cover plate culvert construction device according to claim 1 is characterized in that: The steel mold includes an L-shaped steel mold, an irregular steel mold and a rectangular steel mold; the L-shaped steel mold, the irregular steel mold and the rectangular steel mold are fixed and spliced ​​by bolts to form a steel mold body; two channel steel slide rails are fixed by bolts at both ends of the upper part of the L-shaped steel mold; the anti-overflow pouring trolley is mounted on the channel steel slide rails, and the anti-overflow pouring trolley slides back and forth along the slide rails; a first steel diagonal brace and a vibrating motor are installed between the two sides of the L-shaped steel mold.

3. The prefabricated assembled cover plate combined cover plate culvert construction device according to claim 1 is characterized in that: The anti-overflow pouring trolley includes a cavity steel body, a first pulley, a Y-shaped hopper, an equipment box and a first scraper; the first pulley is fixed to the lower end of the cavity steel body, and the first pulley is mounted on a channel steel slide rail; the Y-shaped hopper is installed on the upper part of the cavity steel body; the equipment box is fixed to the front end of the cavity body, and the equipment box includes a telescopic rod, a fixed block, a battery, a first motor and a spiral stirring rod; the telescopic rod is installed on the fixed block; the tip of the telescopic rod is provided with a first clamping device; the fixed block is provided with a transverse slide, and the telescopic rod is laterally displaced in the transverse slide; the fixed block is installed on the battery; the first motor is installed under the battery, the first motor is connected to the spiral stirring rod, and the spiral stirring rod rotates in the cavity steel body; the first scraper is installed at the rear end of the cavity body.

4. The prefabricated assembled cover plate combined cover plate culvert construction device according to claim 2 is characterized in that: The heavy object compaction truss system includes a basic truss structure, a steel beam and a heavy object; the bottom end of the basic truss structure is supported above the bottom edge of the L-shaped steel formwork, and the steel beam is supported on the top of the basic truss structure; the heavy object presses on the steel beam.

5. The prefabricated assembled cover plate combined cover plate culvert construction device according to claim 1 is characterized in that: The prefabricated assembled cover plate is in an inverted π shape. When the prefabricated assembled cover plates are stacked, the bottom plate of the upper prefabricated assembled cover plate is supported on two vertical plates of the lower prefabricated assembled cover plate; the transport stabilizing bracket is arranged between the cover plates of the combined cover plate culvert of two adjacent layers of prefabricated assembled cover plates; the cover plate transport stabilizing bracket includes a steel plate and a steel diagonal brace.

6. The prefabricated assembled cover plate combined cover plate culvert construction device according to claim 1 is characterized in that: The casting and scraping integrated movable truss bottom plate casting device comprises a steel truss, a second pulley, a steel slider, a sliding channel steel bar and a second scraper; the steel trusses are arranged in parallel on both sides of the bottom plate, and a longitudinal slide rail is arranged on the upper end of the steel truss; second pulleys are installed at the bottom of both ends of the sliding channel steel bar, and the second pulleys are embedded on the longitudinal slide rail of the steel truss, and the sliding channel steel bar moves back and forth along the longitudinal slide rail; a transverse slide rail is arranged on the upper surface of the sliding channel steel bar; a second casting head is arranged on one side of the steel slider, and the steel slider slides on the sliding channel steel bar; the second scraper is fixed on one side of the sliding channel steel bar, and is used to scrape the concrete when the sliding channel steel bar slides along the longitudinal track.

7. The prefabricated assembled cover plate combined cover plate culvert construction device according to claim 1 is characterized in that: The hanging pouring device includes a third pouring head, a second clamp, a barrel body, a spiral stirring rod and a second motor; a hole is provided at the bottom of the barrel body, the second clamp is fixed to the side of the barrel body, the outlet of the third pouring head extends to the opening above the barrel body, and a spiral stirring rod is provided in the barrel body.

8. The prefabricated assembled cover plate combined cover plate culvert construction device according to claim 1 is characterized in that: The inner support formwork system comprises a side wall steel formwork, a segmented through-screw rod and a second steel diagonal brace; the second steel diagonal brace is installed between the side wall steel formworks on both sides; the segmented through-screw rods penetrate the side wall steel formworks on both sides.

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