Spraying maintenance device for prefabricated guardrail concrete member

By introducing felt covering and cutting functions into the spraying and curing device of prefabricated guardrail concrete components, the problem of short spraying and curing time of existing devices is solved, and the practicality and efficiency of the device are significantly improved.

CN222972442UActive Publication Date: 2025-06-13CHINA FIRST HIGHWAY ENGINEERING CO LTD +2
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Patent Information

Application Number
CN202421804496.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-29
Publication Date
2025-06-13
Estimated Expiration
2034-07-29

AI Technical Summary

Technical Problem

When the existing spray and curing device for prefabricated guardrail concrete components is used, it requires multiple sprays after spraying to achieve the expected effect, resulting in the device's spray and curing timeliness and low practicality.

Method used

A prefabricated guardrail concrete member spraying and curing device is designed. By setting a transmission rack and a down plate in the spray box, the gears and connecting booms are driven by a driving motor to perform the operation, the felt covering the concrete member, and the felt is cut through the cutting blade to ensure that the felt covers the member closely.

Benefits of technology

Through felt covering, the maintenance time of concrete components is significantly extended, the practicality and efficiency of spraying equipment is improved, and the demand for multiple spraying in the later stage is reduced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of constructional engineering, and discloses a prefabricated guardrail concrete member spraying maintenance device which comprises a spraying box, a conveying frame is fixedly connected to the interior of the spraying box, a fixing frame is fixedly installed on the conveying frame, a fixing rack is fixedly connected to the fixing frame, the fixing rack is meshed with a first straight gear, and the first straight gear is meshed with a second straight gear. The first straight gear is meshed with a movable rack, the movable rack is slidably connected with the fixing frame, the movable rack is fixedly connected with a lower pressing plate, an anti-skid ball is arranged at the bottom of the lower pressing plate, the first straight gear is rotationally connected with a connecting arm rod, and one end of the connecting arm rod is fixedly connected with a rotating shaft. And one end of the rotating shaft is rotationally connected with the conveying frame, the device can cover a concrete member with felt, and then spraying is conducted on the concrete member, so that the curing aging of concrete is effectively prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of construction engineering, in particular to a spraying and curing device for precast guardrail concrete components. Background Technique

[0002] The precast guardrail concrete component is a part of the concrete guardrail prefabricated in the factory in advance and then transported to the construction site for installation. Before use, the concrete component needs to be sprayed and cured to ensure that the hydration reaction of cement can proceed smoothly, so as to ensure that the concrete gradually hardens and develops its designed strength.

[0003] When the existing spraying and curing device for precast guardrail concrete components is in use, after spraying and curing the concrete component, it still needs to be sprayed many times in the later stage to achieve the expected effect, which leads to a short timeliness of the device for spraying and curing, and thus causes the problem of low practicability of the existing device in actual use.

[0004] Therefore, the utility model provides a spraying and curing device for precast guardrail concrete components. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides a spraying and curing device for precast guardrail concrete components, which has the advantage of being able to cover the concrete component to be sprayed and cured with felt to improve the curing duration of the component, and solves the problems put forward in the background technique.

[0006] The utility model provides the following technical scheme: A spraying and curing device for precast guardrail concrete components, including a spraying box, a transmission frame is fixedly connected inside the spraying box, a fixing frame is fixedly installed on the transmission frame, a fixing rack is fixedly connected to the fixing frame, a first spur gear is meshed with the fixing rack, a moving rack is meshed with the first spur gear, and the moving rack is slidably connected with the fixing frame. A lower pressing plate is fixedly connected to the moving rack, anti-slip balls are arranged at the bottom of the lower pressing plate, a connecting arm rod is rotatably connected to the first spur gear, one end of the connecting arm rod is fixedly connected with a rotating shaft, and one end of the rotating shaft is rotatably connected with the transmission frame.

[0007] Preferably, connecting frames are fixedly installed on both sides of the transmission frame. A threaded rod is rotatably connected to one of the connecting frames, and one end of the threaded rod penetrates through the bottom of the connecting frame. Threads are arranged on the outer surfaces of both ends of the threaded rod, and the directions of the threads are opposite. Both ends of the threaded rod penetrate through a moving plate and are threadedly connected with the moving plate. A cutting blade is fixedly connected to the moving plate.

[0008] Preferably, a driving motor is fixedly installed on the transmission frame. One end of the output shaft of the driving motor is coaxially and fixedly connected with a third spur gear. The third spur gear is meshed with a second spur gear, and the second spur gear is coaxially and fixedly connected with the other end of the rotating shaft.

[0009] Preferably, a transmission shaft is rotatably connected to the transmission frame, and bevel gears II are rotatably connected to both ends of the transmission shaft. One of the bevel gears II meshes with a bevel gear I, and the bevel gear I is coaxially and fixedly connected to the output shaft of the driving motor. The other bevel gear II meshes with a bevel gear III, and the bevel gear III is coaxially and fixedly connected to one end of the threaded rod.

[0010] Preferably, guide rods are attached to one ends of the two moving plates, and the guide rods are fixedly connected to the other connecting frame.

[0011] Preferably, a connecting plate is fixedly connected to the transmission frame, and a felt roll is arranged on the connecting plate.

[0012] Preferably, the number of the fixing frames is two.

[0013] Preferably, the anti-slip balls are made of rubber.

[0014] Compared with the prior art, the present utility model has the following beneficial effects:

[0015] 1. For the precast guardrail concrete component spraying and curing device, through the setting of the pressing component, during use, when the concrete component transported above the transmission frame passes through the lower pressing plate, the output shaft of the driving motor will drive the spur gear III coaxially and fixedly connected to its end to rotate, thereby controlling the spur gear II meshing with it and the rotating shaft fixedly connected to the spur gear II to rotate. And during the rotation of the rotating shaft, the connecting arm rod connected to it will be contracted, so that the spur gear I rotatably connected to the end of the connecting arm rod moves downward, and the downward moving spur gear I drives the moving rack meshing with it and the lower pressing plate connected to the lower pressing plate to also move downward, thereby pressing down the felt on the concrete component, facilitating subsequent cutting.

[0016] 2. For the precast guardrail concrete component spraying and curing device, through the setting of the cutting component, during use, when the pressing component presses down one end of the felt covering the component near the felt roll, the driving motor will also drive the bevel gear I to rotate, thereby driving the bevel gear II meshing with it to rotate together, and driving the bevel gear III meshing with the other bevel gear II and the threaded rod coaxially and fixedly connected to the bevel gear III to rotate together through the rotation of the other bevel gear II, so as to control the two moving plates threadedly connected to the threaded rod to perform an approaching movement, and cut the felt with the cutting blade, so that the felt covers the concrete component. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of the overall structure of the device of the present utility model;

[0018] Figure 2 For the present utility modelFigure 1 Side view structure schematic diagram;

[0019] Figure 3 This utility model Figure 1 Top view structure schematic diagram;

[0020] Figure 4 This utility model Figure 1 Bottom view structure schematic diagram;

[0021] Figure 5 This utility model Figure 1 Enlarged structure schematic diagram at position A in this utility model;

[0022] Figure 6 This utility model Figure 2 Enlarged structure schematic diagram at position B in this utility model;

[0023] Figure 7 This utility model Figure 2 Enlarged structure schematic diagram at position C in this utility model.

[0024] In the figure: 1. Spraying box; 2. Transmission rack; 3. Fixed rack; 4. Fixed rack bar; 5. First spur gear; 6. Moving rack; 7. Lower pressing plate; 8. Anti-slip ball; 9. Connecting arm rod; 10. Rotating shaft; 11. Second spur gear; 12. Connecting frame; 13. Threaded rod; 14. Moving plate; 15. Cutting blade; 16. Guide rod; 17. Driving motor; 18. Third spur gear; 19. First bevel gear; 20. Transmission shaft; 21. Second bevel gear; 22. Third bevel gear; 23. Connecting plate; 24. Felt roll. Specific embodiments

[0025] Next, the technical solutions in the embodiments of this utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of this utility model. Obviously, the described embodiments are only a part of the embodiments of this utility model, rather than all of the embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of this utility model.

[0026] Please refer to Figure 1-7, a spraying and curing device for precast guardrail concrete components, including a spraying box 1. Inside the spraying box 1, a transmission rack 2 is fixedly connected. The transmission rack 2 is fixedly installed with a fixing rack 3. The fixing rack 3 is fixedly connected with a fixing rack gear 4. The fixing rack gear 4 meshes with a first spur gear 5. The first spur gear 5 meshes with a moving rack 6, and the moving rack 6 is slidably connected with the fixing rack 3. The moving rack 6 is fixedly connected with a lower pressing plate 7. At the bottom of the lower pressing plate 7, anti-slip balls 8 are provided. The use of the anti-slip balls 8 not only enhances the fixing effect of the material, but also can reduce the wear and scratch of the felt to a certain extent.

[0027] Among them; a plurality of water permeable holes are opened at the bottom of the transmission rack 2 in the area of the spraying box 1, so as to drip the excess water onto the inner bottom of the spraying box 1 and be collected, thereby effectively improving the utilization efficiency of water resources.

[0028] Among them; connection frames 12 are fixedly installed on both sides of the transmission rack 2. A threaded rod 13 is rotatably connected to one connection frame 12, and one end of the threaded rod 13 penetrates through the bottom of the connection frame 12. Threads are provided on the outer surfaces of both ends of the threaded rod 13, and the directions of the threads are opposite. Both ends of the threaded rod 13 penetrate through a moving plate 14 and are threadedly connected with the moving plate 14. The moving plate 14 is fixedly connected with a cutting blade 15. Due to the opposite directions of the threads at both ends of the threaded rod 13, when the threaded rod 13 rotates, the moving plates 14 at both ends will move towards the middle or towards both sides simultaneously, thereby realizing the rapid approach or separation of the cutting blades 15. And because the two cutting blades 15 on both sides are synchronously controlled by the same threaded rod 13, their positional relationships during the cutting process always remain consistent, thus ensuring the accuracy and consistency of cutting and improving the cutting quality.

[0029] Among them; the transmission rack 2 is fixedly installed with a driving motor 17. One end of the output shaft of the driving motor 17 is coaxially fixedly connected with a third spur gear 18. The third spur gear 18 meshes with a second spur gear 11. The second spur gear 11 is coaxially fixedly connected with the other end of the rotating shaft 10.

[0030] Among them; the transmission rack 2 is rotatably connected with a transmission shaft 20. Both ends of the transmission shaft 20 are rotatably connected with second bevel gears 21. One second bevel gear 21 meshes with a first bevel gear 19, and the first bevel gear 19 is coaxially fixedly connected with the output shaft of the driving motor 17. The other second bevel gear 21 meshes with a third bevel gear 22, and the third bevel gear 22 is coaxially fixedly connected with one end of the threaded rod 13.

[0031] Among them; one ends of the two moving plates 14 are in contact with a guiding rod 16, and the guiding rod 16 is fixedly connected with the other connection frame 12.

[0032] Among them, the transfer rack 2 is fixedly connected with a connecting plate 23, and a felt roll 24 is arranged on the connecting plate 23.

[0033] Among them, the number of the fixing frames 3 is two.

[0034] Among them, the anti-slip ball 8 is made of rubber. Rubber has good wear resistance and can strengthen the friction with the felt, so as to prevent the felt from slipping when the lower pressing plate 7 presses down on the felt.

[0035] Working principle: When in use, first place the concrete component that needs to be spray-cured on the transfer rack 2 for transmission. Then, the staff pulls out one end of the felt roll 24 and passes it through the middle of the two moving plates 14 and under the lower pressing plate 7, so that the felt initially covers the concrete component during transmission. When the concrete component transmitted above the transfer rack 2 passes through the lower pressing plate 7, the output shaft of the driving motor 17 will drive the spur gear three 18 fixedly connected coaxially to its end to rotate, thereby controlling the spur gear two 11 meshing with it and the rotating shaft 10 fixedly connected to the spur gear two 11 to rotate. And during the rotation of the rotating shaft 10, the connecting arm rod 9 connected to it will be contracted, so that the spur gear one 5 rotatably connected to the end of the connecting arm rod 9 moves downward, and the downward moving spur gear one 5 drives the moving rack 6 meshing with it and the lower pressing plate 7 connected to the lower pressing plate 7 to also move downward, so as to press down the felt on the concrete component, which is convenient for subsequent cutting. At the same time, while the lower pressing component presses down one end of the felt close to the felt roll 24 covering the component, the driving motor 17 will also drive the bevel gear one 19 to rotate, and then drive the bevel gear two 21 meshing with it to rotate together, and drive the bevel gear three 22 meshing with the other bevel gear two 21 and the threaded rod 13 fixedly connected coaxially to the bevel gear three 22 to rotate together, so as to control the two moving plates 14 threadedly connected to the threaded rod 13 to move closer, and cut the felt with the cutting blade 15, so that the felt covers the concrete component.

[0036] Finally, the concrete component covered with felt will enter the interior of the spray box 1 under the transmission of the transfer rack 2 and be sprayed by the spray pipe on the top inside the spray box 1 to achieve spray-curing of the precast guardrail concrete component.

[0037] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0038] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A spray curing device for prefabricated guardrail concrete components, characterized in that: The invention comprises a spray box (1), wherein the interior of the spray box (1) is fixedly connected to a transmission frame (2), the transmission frame (2) is fixedly installed with a fixed frame (3), the fixed frame (3) is fixedly connected to a fixed rack (4), the fixed rack (4) is meshed with a spur gear (5), the spur gear (5) is meshed with a movable rack (6), and the movable rack (6) is slidably connected to the fixed frame (3), the movable rack (6) is fixedly connected to a lower pressure plate (7), the bottom of the lower pressure plate (7) is provided with an anti-slip ball (8), the spur gear (5) is rotatably connected to a connecting arm (9), one end of the connecting arm (9) is fixedly connected to a rotating shaft (10), and one end of the rotating shaft (10) is rotatably connected to the transmission frame (2).

2. A spray curing device for prefabricated guardrail concrete components according to claim 1, characterized in that: A connection frame (12) is fixedly installed on both sides of the transmission frame (2); one of the connection frames (12) is rotatably connected to a threaded rod (13), and one end of the threaded rod (13) passes through the bottom of the connection frame (12); threads are provided on the outer surfaces of both ends of the threaded rod (13), and the rotation directions of the threads are opposite; both ends of the threaded rod (13) pass through a moving plate (14) and are threadedly connected to the moving plate (14); and a cutting blade (15) is fixedly connected to the moving plate (14).

3. The spray curing device for prefabricated guardrail concrete components according to claim 1 is characterized in that: The transmission frame (2) is fixedly mounted with a driving motor (17); one end of the output shaft of the driving motor (17) is coaxially fixedly connected with a spur gear three (18); the spur gear three (18) is meshed with a spur gear two (11); and the spur gear two (11) is coaxially fixedly connected with the other end of the rotating shaft (10).

4. The spray curing device for prefabricated guardrail concrete components according to claim 1, characterized in that: The transmission frame (2) is rotatably connected to a transmission shaft (20), and both ends of the transmission shaft (20) are rotatably connected to bevel gear 2 (21), one of the bevel gear 2 (21) is meshed with bevel gear 1 (19), and bevel gear 1 (19) is coaxially fixedly connected to the output shaft of the drive motor (17), and the other bevel gear 2 (21) is meshed with bevel gear 3 (22), and bevel gear 3 (22) is coaxially fixedly connected to one end of the threaded rod (13).

5. The spray curing device for prefabricated guardrail concrete components according to claim 2 is characterized in that: A guide rod (16) is attached to one end of the two movable plates (14), and the guide rod (16) is fixedly connected to the other connection frame (12).

6. The spray curing device for prefabricated guardrail concrete components according to claim 1, characterized in that: The transmission frame (2) is fixedly connected to a connecting plate (23), and the connecting plate (23) is provided with a felt roll (24).

7. The spray curing device for prefabricated guardrail concrete components according to claim 1 is characterized in that: The number of the fixing frames (3) is two.

8. The spray curing device for prefabricated guardrail concrete components according to claim 1, characterized in that: The anti-slip ball (8) is made of rubber.