Cement prefabricated part curing device for highway construction

Abstract

The invention belongs to the technical field of cement prefabricated part maintenance, particularly relates to a cement prefabricated part maintenance device for highway construction, and provides the following scheme aiming at the problem that the existing cement prefabricated part maintenance device can cause a relatively high occupancy rate of a pouring mold: the cement prefabricated part maintenance device comprises a maintenance machine box and a mold removal machine box, the mold removing machine box is fixed to the top of the maintaining machine box, a maintaining cavity is formed in the maintaining machine box, two horizontally-arranged ground rails are fixed to the bottom of the maintaining machine box and installed in parallel, and a movable vehicle seat is arranged on the tops of the two ground rails in a rolling mode. The mold removing side clamping plates on the two sides are attached to molds on the two sides correspondingly, the electric push rod moves the suction cups to be sucked to the molds, the molds are sucked out through contraction of the electric push rod, the removed molds are moved out of the maintenance machine box through the winch, workers collect the molds, and pouring manufacturing of the cement guardrails can be rapidly conducted; and the occupancy rate of a cement guardrail pouring mold is reduced.

Description

Technical Field

[0001] This invention relates to the field of precast concrete curing technology, and in particular to a precast concrete curing device for highway construction. Background Technology

[0002] Improvements in highway construction techniques have elevated my country's highway network infrastructure to a higher level. The technology of precast concrete guardrails is also a technological innovation in highway construction. The production of precast concrete guardrails is unaffected by factors associated with cast-in-place processes, such as weather and temperature. Precast concrete guardrails can be manufactured in workshops around the clock, and their quality surpasses that of cast-in-place systems. The precast concrete components used in modern highway network construction are now more comprehensive, and the curing process during the manufacturing of precast concrete guardrails is an essential and crucial step.

[0003] For example, Chinese invention patent document CN118596322A discloses a steam curing device for precast cement components, including a support frame and a turntable rotatably mounted on the support frame a. The turntable is driven by a motor, and a steam curing chamber is fixedly mounted on the upper part of the turntable via the support frame b. The steam curing chamber is divided into several equally sized cavities by partition components. A placement platform is fixedly mounted on the inner wall of the steam curing chamber, and a steam pump is mounted on the placement platform. The steam pump is equipped with a conveying component that delivers steam to each cavity. A lifting component that can drive the steam up and down is provided in the middle of each cavity. The lifting component is controlled by a guide rail located at the lower end of the turntable and fixed inside the support frame b. The patented technology has the following problems: During the curing process of precast cement components, when they enter the curing device, the cement inside has just set. Therefore, during curing, the clamps are removed directly without dismantling the molds. However, the curing process takes several hours. In the later stages of curing, the precast cement components have fully reacted and set, and the molds can be removed. However, the current curing device cannot remove the molds in the later stages of curing, resulting in a high mold occupancy rate. As a result, more molds are needed to support the entire process, which greatly increases the costs. Existing technologies do not easily solve this problem. Therefore, there is an urgent need for a precast cement component curing device for highway construction to solve the above problems. Summary of the Invention

[0004] To address the technical problem that current curing devices for precast concrete components result in a high occupancy rate of casting molds, this invention proposes a curing device for precast concrete components used in highway construction.

[0005] This invention proposes a curing device for precast concrete components used in highway construction, comprising a curing unit and a demolding unit. The demolding unit is fixed at the top of the curing unit. The curing unit contains a curing chamber. Two horizontally arranged ground rails are fixed at the bottom of the curing unit, installed parallel to each other. A movable carriage is rolled on top of the two ground rails. A mold-setting top frame is installed on top of the movable carriage, and the mold-setting top frame is connected to the movable carriage via a scissor bracket. A steam generator is installed in the middle of the bottom of the curing unit. A horizontally arranged ceramic heating coil is fixed inside the steam generator. An array of ultrasonic atomizers is fixed at the bottom of the steam generator, with the atomizers' mist outlets facing the top ceramic heating coils.

[0006] Preferably, a horizontally arranged sealed roller shutter door housing is also fixed to the top of the maintenance housing, and a monitoring display screen is fixed to one end of the sealed roller shutter door housing by bolts.

[0007] Preferably, the maintenance machine housing has sealing roller shutter door grooves at one end and the top of the maintenance chamber, and the housing has two sets of sealing roller shutter doors installed inside, namely a first sealing roller shutter door installed vertically and a second sealing roller shutter door installed horizontally.

[0008] Preferably, the top of the steam engine box is equipped with an array of rotating steam outlet guide plates, and the deflection of the steam outlet guide plates is controlled by a first servo motor, which is fixed inside the steam engine box.

[0009] Preferably, the top inner wall of the demolding machine housing is fixed with two top slides, the two top slides are installed in parallel, and a horizontally arranged movable top frame is rolled at the bottom of the two top slides. A vertically lifting demolding frame is installed at the bottom of the movable top frame.

[0010] Preferably, winches are installed on both sides of the top of the movable top frame, and the steel wires wound in the two winches extend to the bottom of the movable top frame. The steel wires of the two winches are fixedly installed on both sides of the top of the lifting and demolding frame.

[0011] Preferably, two vertically arranged demolding swing arms are installed on both sides of the lifting demolding frame via bearings, and the two corresponding demolding swing arms are fixed to the same demolding side clamping plate by bolts. Two electric push rods are fixed in the middle of the demolding side clamping plate, and a suction cup is fixed to one end of each of the two electric push rods. The deflection of the demolding swing arms is controlled by a second servo motor, which is fixed inside the lifting demolding frame.

[0012] Preferably, the maintenance housing has side sliding grooves on both sides of the top of the maintenance chamber, and side sliders are slidably installed in the side sliding grooves on both sides. A first drive screw is installed inside the side sliding groove of the maintenance housing through a bearing. The first drive screw is threadedly fitted with the side slider. The two side sliders are fixed together by bolts with the same horizontally arranged inner slide of the maintenance housing.

[0013] Preferably, the bottom of the slide frame inside the maintenance machine housing has two bottom sliding grooves, and a sliding top frame is slidably installed on the bottom of the slide frame inside the maintenance machine housing. The top of the sliding top frame is slidably installed with the two bottom sliding grooves. A second drive screw is installed inside the bottom sliding groove through a bearing, and the second drive screw is threadedly installed with the top of the sliding top frame.

[0014] Preferably, a horizontally rotating disc seat is mounted on the bottom of the sliding top frame via a bearing. The rotating disc seat is controlled to rotate by a drive motor, which is installed inside the sliding top frame. A vertically arranged steam spray frame is fixed to the bottom of the rotating disc seat by bolts. An array of steam nozzles is installed on both sides of the steam spray frame.

[0015] The beneficial effects of this invention are as follows: 0. The precast concrete curing device used in the construction of this highway has the following mechanism: When the concrete guardrail has been cured to its final shape and the mold can be removed, the lifting demolding frame moves to the top of the concrete guardrail to be demolded. The winch releases the steel wire and moves the lifting demolding frame to the bottom. The second servo motor controls the demolding side clamps to descend. The demolding side clamps on both sides are then attached to the molds on both sides. The electric push rod moves the suction cup to engage with the mold. The retraction of the electric push rod pulls the mold out, and the winch removes the demolded mold from the curing machine box. The workers can collect it and quickly carry out the pouring and production of concrete guardrails, saving on the occupancy rate of concrete guardrail pouring molds.

[0016] 1. The precast concrete curing device used in the construction of this expressway, during the curing process, the rotation of the first and second drive screws controls the movement of the slide and sliding top frame inside the curing machine box. The steam sprayer at the bottom adjusts its angle by rotating the rotating disc seat, so that the steam sprayer shuttles through the middle of the concrete guardrail to spray steam, thereby improving the curing efficiency. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of one side of the overall structure of a cement precast component curing device for highway construction proposed in this invention. Figure 2 This is a schematic diagram of the other side of the overall structure of a cement precast component curing device for highway construction proposed in this invention. Figure 3This is a side view sectional schematic diagram of a cement precast component curing device for highway construction proposed in this invention. Figure 4 This is a schematic diagram of the steam spray frame structure of a cement precast component curing device for highway construction proposed in this invention; Figure 5 This is a schematic diagram of the internal structure of the steam turbine of a cement precast component curing device for highway construction proposed in this invention.

[0018] In the diagram: 1. Curing machine housing; 2. Demolding machine housing; 3. Sealing roller shutter door housing; 4. First sealing roller shutter door; 5. Ground rail; 6. Moving seat; 7. Mold placement top frame; 8. Monitoring display screen; 9. Top slide frame; 10. Moving top frame; 11. Lifting demolding frame; 12. Winch; 13. Second sealing roller shutter door; 14. Demolding swing arm; 15. Demolding side clamp; 16. Electric push rod; 17. Suction cup; 18. Steam housing; 19. Side slide groove of curing machine housing; 20. Side slider; 21. Inner slide frame of curing machine housing; 22. First drive screw; 23. Steam spray frame; 24. Bottom slide groove; 25. Sliding top frame; 26. Rotating disc seat; 27. Steam nozzle; 28. Steam outlet guide plate; 29. ​​Ceramic heating coil; 30. Ultrasonic atomizer. Detailed Implementation

[0019] Reference Figures 1-5 A curing device for precast concrete components used in highway construction includes a curing housing 1 and a demolding housing 2. The demolding housing 2 is fixed at the top of the curing housing 1. The curing housing 1 has a curing chamber inside. Two horizontally arranged ground rails 5 are fixed at the bottom of the curing housing 1, and the two ground rails 5 are installed in parallel. A movable carriage 6 is rolled on top of the two ground rails 5. A mold-setting top frame 7 is installed on top of the movable carriage 6, and the mold-setting top frame 7 is connected to the movable carriage 6 by a scissor bracket. A steam generator 18 is installed at the middle of the bottom of the curing housing 1. Inside the steam chamber 18, a horizontally arranged ceramic heating coil 29 is fixed. At the bottom of the steam chamber 18, an array of ultrasonic atomizers 30 are fixed, with the atomizing position of the ultrasonic atomizers 30 facing the top ceramic heating coil 29. When the steam chamber 18 is working, the ceramic heating coil 29 works continuously. The ultrasonic atomizers 30 at the bottom atomize the water in the steam chamber 18 and spray it onto the ceramic heating coil 29, instantly vaporizing it to generate high-temperature steam. The high-temperature and high-humidity steam is used to cure the cement railing, shortening the reaction time of the cement and saving the curing cycle.

[0020] Furthermore, a horizontally positioned sealed roller shutter door housing 3 is fixed to the top of the maintenance housing 1. A monitoring display screen 8 is fixed to one end of the sealed roller shutter door housing 3 by bolts. The display screen 8 monitors various data inside the maintenance chamber, such as humidity, temperature, and maintenance time.

[0021] Furthermore, the curing machine housing 1 has sealing roller shutter door grooves at one end and the top of the curing chamber, and the sealing roller shutter door housing 3 has two sets of sealing roller shutter doors installed inside, namely a first sealing roller shutter door 4 installed vertically and a second sealing roller shutter door 13 installed horizontally; the opening and closing of the first sealing roller shutter door 4 and the second sealing roller shutter door 13 can ensure the curing environment in the curing chamber, as well as the smooth feeding and mold disassembly.

[0022] Furthermore, an array of rotating steam outlet guide plates 28 are installed on the top of the steam casing 18, and the deflection of the steam outlet guide plates 28 is controlled by a first servo motor, which is fixed inside the steam casing 18; the deflection of the steam outlet guide plates 28 by the first servo motor controls the direction of steam outlet and improves the steam diffusion effect.

[0023] Furthermore, two top slides 9 are fixed to the top inner wall of the demolding machine housing 2. The two top slides 9 are installed in parallel. A horizontally mounted movable top frame 10 is rolled at the bottom of the two top slides 9. A vertically lifting demolding frame 11 is installed at the bottom of the movable top frame 10. Winches 12 are installed on both sides of the top of the movable top frame 10. The steel wires wound in the two winches 12 extend to the bottom of the movable top frame 10, and the steel wires of the two winches 12 are fixedly installed to the top sides of the lifting demolding frame 11. Two vertically mounted demolding swing arms 14 are installed on both sides of the lifting demolding frame 11 through bearings, and the same demolding side clamp 15 is fixed between the two corresponding demolding swing arms 14 by bolts. Two electric push rods 16 are fixed in the middle of plate 15. Each of the two electric push rods 16 has a suction cup 17 fixed at one end. The deflection of the demolding swing arm 14 is controlled by a second servo motor, which is fixed inside the lifting demolding frame 11. When the cement guardrail has been cured to its final shape and the mold can be removed, the lifting demolding frame 11 moves to the top of the cement guardrail to be demolded. The winch 12 releases the steel wire and moves the lifting demolding frame 11 to the bottom. The second servo motor controls the demolding side clamping plate 15 to descend. The demolding side clamping plates 15 on both sides are respectively attached to the molds on both sides. The electric push rods 16 move the suction cups 17 to be attracted to the mold. The retraction of the electric push rods 16 sucks out the mold and moves the removed mold out of the curing machine box 1 through the winch 12.

[0024] Furthermore, the maintenance housing 1 has side sliding grooves 19 on both sides of the top of the maintenance chamber. Side sliders 20 are slidably installed in each of the side sliding grooves 19. A first drive screw 22 is installed inside the side sliding groove 19 via bearings. The first drive screw 22 is threadedly fitted to the side slider 20. A horizontally aligned internal slide bracket 21 is bolted between the two side sliders 20. Two bottom sliding grooves 24 are formed at the bottom of the internal slide bracket 21. A sliding top bracket 25 is slidably installed at the bottom of the internal slide bracket 21. The top of the sliding top bracket 25 is slidably installed in relation to the two bottom sliding grooves 24. A second drive screw is installed inside the bottom sliding groove 24 via bearings. The two drive screws are threadedly installed on the top of the sliding top frame 25. A horizontal rotating disc seat 26 is installed at the bottom of the sliding top frame 25 via bearings. The rotating disc seat 26 is controlled to rotate by a drive motor, which is installed inside the sliding top frame 25. A vertically arranged steam spray frame 23 is fixed to the bottom of the rotating disc seat 26 by bolts. Steam nozzles 27 are arranged in an array on both sides of the steam spray frame 23. By rotating the first drive screw 22 and the second drive screw, the position of the slide 21 and the sliding top frame 25 inside the curing machine box is controlled to move. The steam spray frame 23 at the bottom adjusts its angle by rotating the rotating disc seat 26, so that the steam spray frame 23 shuttles through the middle of the cement guardrail to spray steam, thereby improving the efficiency of curing.

[0025] In use of this invention: After the cement guardrail of the highway is cast and shaped using a mold, the overall shape is fixed. The bolts fixing the mold are removed, but the mold cannot be removed at this time. The mold is placed directly on top of the mold-setting top frame 7. The top mold and the cast cement guardrail are moved to the curing chamber inside the curing machine box 1 by the movable seat 6 at the bottom. The two sets of roller shutters in the sealing roller shutter door machine box 3 are controlled to seal the feeding end and the top of the curing machine box 1 respectively. The steam box 18 at the bottom of the curing machine box 1 works to generate steam, which is used to steam cure the cement guardrail in the curing chamber. When the steam box 18 is working, the ceramic heating coil 29 works continuously. The ultrasonic atomizer 30 at the bottom atomizes the water in the steam box 18 and sprays it onto the ceramic heating coil 29, which instantly vaporizes to generate high-temperature steam. The high-temperature and high-humidity steam cures the cement guardrail, shortening the reaction time of the cement and saving the curing cycle. During the curing process, the rotation of the first drive screw 22 and the second drive screw controls the movement of the slide 21 and sliding top frame 25 inside the curing machine box. The steam spray frame 23 at the bottom adjusts its angle by rotating the rotating disc seat 26, allowing the steam spray frame 23 to spray steam through the middle of the cement guardrail, thus improving the curing efficiency. When the cement guardrail has been cured to its final shape and the mold can be removed, the lifting demolding frame 11 moves to the top of the cement guardrail to be demolded. The winch 12 releases the steel wire and moves the lifting demolding frame 11 to the bottom. The second servo motor controls the demolding side clamp 15 to descend. The demolding side clamps 15 on both sides are respectively attached to the molds on both sides. The electric push rod 16 moves the suction cup 17 to be attracted to the mold. The retraction of the electric push rod 16 sucks out the mold, and the demolded mold is removed from the curing machine box 1 by the winch 12. The workers can collect it and quickly carry out the pouring and production of cement guardrails, saving the occupation rate of cement guardrail pouring molds.

[0026] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A curing device for precast concrete components used in highway construction, comprising a curing housing (1) and a demolding housing (2), wherein the demolding housing (2) is fixed at the top of the curing housing (1), characterized in that, The curing machine box (1) is provided with a curing chamber inside. The bottom of the curing machine box (1) is fixed with two horizontally arranged ground rails (5). The two ground rails (5) are installed in parallel. The top of the two ground rails (5) is provided with a movable seat (6). The top of the movable seat (6) is provided with a mold mounting bracket (7). The mold mounting bracket (7) and the movable seat (6) are connected by a scissor bracket. The bottom middle of the curing machine box (1) is provided with a steam machine box (18). The steam machine box (18) is fixed with a horizontally arranged ceramic heating coil (29). The bottom of the steam machine box (18) is fixed with an array of ultrasonic atomizers (30). The outlet of the ultrasonic atomizers (30) faces the top ceramic heating coil (29).

2. The cement precast component curing device for highway construction according to claim 1, characterized in that, The top of the maintenance housing (1) is also fixed with a horizontally arranged sealed roller shutter door housing (3), and a monitoring display screen (8) is fixed to one end of the sealed roller shutter door housing (3) by bolts.

3. The cement precast component curing device for highway construction according to claim 2, characterized in that, The maintenance machine box (1) has a sealing roller shutter door groove at one end and the top of the maintenance chamber. The sealing roller shutter door machine box (3) has two sets of sealing roller shutter doors installed inside, namely a first sealing roller shutter door (4) installed vertically and a second sealing roller shutter door (13) installed horizontally.

4. A cement precast component curing device for highway construction according to claim 1, characterized in that, The top of the steam engine box (18) is equipped with an array of rotating steam outlet guide plates (28), and the deflection of the steam outlet guide plates (28) is controlled by a first servo motor, which is fixed inside the steam engine box (18).

5. A cement precast component curing device for highway construction according to claim 1, characterized in that, The top inner wall of the demolding machine box (2) is fixed with two top slides (9). The two top slides (9) are installed in parallel. A horizontally set movable top frame (10) is rolled at the bottom of the two top slides (9). A vertically lifting demolding frame (11) is installed at the bottom of the movable top frame (10).

6. A cement precast component curing device for highway construction according to claim 5, characterized in that, The movable top frame (10) is equipped with winches (12) on both sides of the top. The steel wires wound in the two winches (12) extend to the bottom of the movable top frame (10), and the steel wires of the two winches (12) are fixedly installed on both sides of the top of the lifting and demolding frame (11).

7. A cement precast component curing device for highway construction according to claim 5, characterized in that, The lifting mold removal frame (11) has two vertically arranged mold removal swing arms (14) installed on both sides by bearings, and the two corresponding mold removal swing arms (14) are fixed with the same mold removal side clamping plate (15) by bolts. Two electric push rods (16) are fixed in the middle of the mold removal side clamping plate (15), and a suction cup (17) is fixed at one end of each of the two electric push rods (16). The deflection of the mold removal swing arms (14) is controlled by a second servo motor, which is fixed inside the lifting mold removal frame (11).

8. A cement precast component curing device for highway construction according to claim 1, characterized in that, The maintenance housing (1) is provided with side slide grooves (19) on both sides of the top of the maintenance chamber. Side slide blocks (20) are slidably installed in the side slide grooves (19) on both sides. A first drive screw (22) is installed inside the side slide groove (19) of the maintenance housing through a bearing. The first drive screw (22) and the side slide block (20) are threaded together. The two side slide blocks (20) are fixed together by bolts with the same horizontally arranged inner slide frame (21) of the maintenance housing.

9. A cement precast component curing device for highway construction according to claim 8, characterized in that, The bottom of the slide (21) inside the maintenance machine box has two bottom slide grooves (24). A sliding top frame (25) is slidably installed on the bottom of the slide (21) inside the maintenance machine box. The top of the sliding top frame (25) is slidably installed with the two bottom slide grooves (24). A second drive screw is installed inside the bottom slide groove (24) through a bearing. The second drive screw is threadedly installed with the top of the sliding top frame (25).

10. A cement precast component curing device for highway construction according to claim 9, characterized in that, The bottom of the sliding top frame (25) is equipped with a horizontal rotating disc seat (26) via a bearing. The rotating disc seat (26) is controlled to rotate by a drive motor, which is installed inside the sliding top frame (25). The bottom of the rotating disc seat (26) is fixed with a vertically arranged steam spray frame (23) by bolts. Steam nozzles (27) are arranged in an array on both sides of the steam spray frame (23).

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