Concrete anti-cracking device
By designing a concrete crack-proof device including the main body and auxiliary device of the mobile trolley, and using water jet pipes and nozzles to uniformly pour the concrete surface, the cracking problem caused by uneven concrete shrinkage is solved, and the strength and stability of the concrete structure are improved.
Patent Information
- Application Number
- CN202421575424.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-05
- Publication Date
- 2025-04-22
- Estimated Expiration
- 2034-07-05
AI Technical Summary
After concrete is poured, the concrete shrinks unevenly due to moisture evaporation, which easily leads to surface cracking, thereby weakening the overall strength and stability of the concrete structure.
A concrete crack-proof device is designed, including the main body of the mobile trolley and auxiliary device. The water source is transported to the water spray pipe through a water pump. The water spray pipe moves along the mounting frame. The nozzle pours the concrete surface to ensure uniform spraying.
Effectively prevent the occurrence of dry shrinkage cracks on the concrete surface, ensure the overall strength and stability of the concrete structure, and improve the efficiency and effect of concrete curing.
Smart Images

Figure CN222782425U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of concrete protection, in particular to a concrete anti-cracking device. Background Art
[0002] In the process of construction, concrete pouring is usually required. After pouring, shrinkage cracks are prone to appear on the surface of the concrete, and water spraying maintenance is required to avoid cracks in the concrete. The concrete anti-cracking device is a protective device used to prevent cracks in the concrete. It is more common in construction projects.
[0003] Prior art, such as the utility model with announcement number CN215368829U, discloses a concrete anti-cracking maintenance device, which includes a fixed seat, an extension rod movably connected inside the fixed seat, a positioning screw threadedly connected to the side surface of the fixed seat, a threaded rod connected to the end of the extension rod away from the fixed seat through a locking knob, a connecting rod fixedly connected to the side surface of the threaded rod, and the connecting rod connected to the fixed rod through a pull rod. The concrete anti-cracking maintenance device achieves the effect of facilitating comprehensive maintenance of concrete through the mutual cooperation between the fixed seat, the extension rod, the positioning screw, the locking knob, the threaded rod, the connecting rod, the pull rod, the fixed rod, the water inlet pipe, the external threaded pipe, the diversion pipe, the atomizing nozzle, the water pump, the recycling water channel, the water filter box, the filter screen, the connecting pipe, the second conduit and the first conduit, and solves the problem that manual concrete maintenance is not only inefficient, but also prone to leaking and too long spraying intervals.
[0004] It is found in construction projects that during the process of pouring concrete, the concrete will gradually shrink as the water evaporates after pouring. When the shrinkage of the concrete is restricted or uneven, it is easy to cause cracks on the concrete surface, which in turn weakens the overall strength and stability of the concrete structure. Utility Model Content
[0005] The purpose of the utility model is to solve the problem in the prior art that during the pouring of concrete, the concrete gradually shrinks as the water evaporates after pouring, and the shrinkage of the concrete is restricted or uneven, which easily causes cracks on the concrete surface, thereby weakening the overall strength and stability of the concrete structure.
[0006] In order to solve the above technical problems, the utility model provides a concrete crack prevention device, comprising: a mobile trolley main body and an auxiliary device, a water tank is installed on the upper surface of the mobile trolley main body, a water pump is installed on the upper end of the water tank, a connecting pipe is installed on one side of the water pump, an end of the connecting pipe away from the water pump is fixedly connected to the inside of the water tank, and a hose is connected to one side of the water pump. An adjusting device is provided on one side of the bottom end of the mobile trolley main body, and the adjusting device comprises a mounting frame, one end of the mounting frame is rotatably connected to the mobile trolley main body, a fixed rod is fixedly connected to one side of the mounting frame, and the circular arc surface of the fixed rod is slidably connected to the mobile frame, and an end of the mobile frame away from the fixed rod is fixedly connected to a servo motor, and an output end of the servo motor is fixedly connected to a gear, and a rack is meshed on the tooth surface of the gear, and the ground of the rack is fixedly connected to one side of the mounting frame, and a water spray pipe is fixedly connected to the lower surface of the mobile frame, and a plurality of nozzles are fixedly connected to the bottom circular arc surface of the water spray pipe, and the upper circular arc surface of the water spray pipe is fixedly connected to the hose with the aid of the auxiliary device.
[0007] The effect achieved by the above components is: in construction projects, concrete pouring is usually required. Shrinkage cracks are prone to appear on the surface of the poured concrete, which requires water spraying maintenance. At this time, the water tank on the upper end of the mobile trolley body uses a water pump to transport water through a hose, so that the water source is then used to pour the concrete with the help of the nozzle on the surface of the water spray pipe to prevent cracking. At the same time, the entire water spray pipe is moved horizontally along the surface of the mounting frame, thereby effectively and conveniently protecting the entire concrete from cracking.
[0008] Preferably, a moving rod is slidably penetrated through the four corner surfaces of the mounting frame, the bottom end of the moving rod is rotatably connected to a pulley, the arc surface of the moving rod is sleeved with a spring, and the two ends of the spring are respectively fixedly connected to the moving rod and the surface of the mounting frame.
[0009] The effect achieved by the above components is: when the position of the mobile trolley body and the mounting frame is moved, the position of the pulley is limited by the tensile force generated by the spring on the surface of the moving rod, and the position of the mounting frame is protected by the pulley to avoid bumps.
[0010] Preferably, the movable frame is rotatably connected to a sliding frame corresponding to one end surface of the fixed rod, and the arc surface of the sliding frame is slidably connected to the arc surface of the fixed rod.
[0011] The effect achieved by the above components is that when the movable frame slides along the surface of the fixed rod, the sliding frame can be used to reduce friction, thereby facilitating better adjustment of the position of the movable frame.
[0012] Preferably, a screw rod is threadedly penetrated through the arc surface of one end of the movable frame away from the rack, and one end of the screw rod abuts against the arc surface of the fixed rod.
[0013] The effect achieved by the above components is that during the process of adjusting the position of the movable frame of the entire mounting frame, in order to fix the position when not in use, the screw rod can be used for extrusion and fixation.
[0014] Preferably, an auxiliary device is provided at a position of the hose corresponding to the upper end surface of the water spray pipe, and the auxiliary device includes a docking frame, the inner wall of the docking frame is fixedly connected to the arc surface of the upper end of the water spray pipe, the arc surface of the hose is fixedly connected to a fixing frame, the bottom end of the fixing frame is plugged into the docking frame, both end surfaces of the docking frame are fixedly connected to a connecting frame, the inner wall of the connecting frame is rotatably connected to a rotating plate, the cross-section of the rotating plate is "L"-shaped, the surface of the fixed frame is fixedly connected to a connecting plate corresponding to the position of the rotating plate, a limiting rod is threaded through the short arm end surface of the rotating plate, and one end of the limiting rod is plugged into the connecting plate.
[0015] The effect achieved by the above components is: when the water spray pipe and the hose are used, they need to be docked and fixed. At this time, the docking frame on the upper end surface of the water spray pipe and the fixed frame fixed at the bottom end of the hose are plugged in and limited, and then the rotating plate is docked with the connecting plate on the surface of the fixed frame, and the limit rod is used to plug and fix them, so that the hose and the water spray pipe can be docked effectively and conveniently.
[0016] Preferably, both ends of the inner wall of the connecting frame are sleeved with coil springs, and both ends of the coil spring are fixedly connected to the connecting frame and the rotating plate respectively.
[0017] The effect achieved by the above components is that the position of the rotating plate can be deflected and limited by the torsional force generated by the coil spring.
[0018] Preferably, the docking frame and the fixing frame are both hard alloy frames, and the cross-sectional size of the docking frame is matched with the cross-sectional size of the fixing frame.
[0019] The effect achieved by the above components is that when the docking frame and the fixing frame are used for a long time, deformation can be avoided by using the hard alloy material.
[0020] Compared with the related art, the concrete anti-cracking device provided by the utility model has the following beneficial effects:
[0021] The utility model provides a concrete anti-cracking device. In construction projects, concrete pouring is usually required. Shrinkage cracks are prone to appear on the surface of the poured concrete, so water spraying maintenance is required. At this time, a water tank on the upper end of a mobile trolley body is used to transport water through a hose with the help of a water pump, and the water is used to pour concrete with the help of a nozzle on the surface of a water spray pipe to prevent cracking. At the same time, the entire water spray pipe is horizontally moved along the surface of a mounting frame. When the position of the mobile trolley body and the mounting frame is moved, the position of the pulley is limited by the tensile force generated by a spring on the surface of the moving rod. At the same time, the position of the mounting frame is protected by the pulley to avoid collision. By operating the adjusting device, the entire concrete is effectively and conveniently protected from cracking.
[0022] When the water spray pipe and the hose are in use, they need to be docked and fixed. At this time, the docking frame on the upper end surface of the water spray pipe and the fixed frame fixed at the bottom end of the hose are plugged in and limited, and then the rotating plate is docked with the connecting plate on the surface of the fixed frame, and the limit rod is used to plug and fix them. At the same time, when the position of the rotating plate is deflected and docked with the connecting plate, the position of the rotating plate can be deflected and limited by the torsional force generated by the coil spring. Through the operation of the auxiliary device, the docking operation between the hose and the water spray pipe is effectively and conveniently achieved. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 A structural schematic diagram of a concrete anti-cracking device provided by the utility model;
[0024] Figure 2 for Figure 1 The structural schematic diagram of the regulating device shown;
[0025] Figure 3 for Figure 2 The enlarged structural diagram of A shown;
[0026] Figure 4 for Figure 1 A schematic diagram of the structure of the auxiliary device shown;
[0027] Figure 5 for Figure 1 Schematic diagram of the disassembled structure of the auxiliary device shown.
[0028] Numbers in the figure: 1. Mobile trolley body; 2. Water tank; 3. Water pump; 4. Adjustment device; 401. Mounting frame; 402. Rack; 403. Servo motor; 404. Gear; 405. Mobile frame; 406. Sliding frame; 407. Fixed rod; 408. Water spray pipe; 409. Nozzle; 410. Mobile rod; 411. Spring; 412. Pulley; 413. Screw; 5. Auxiliary device; 51. Fixed frame; 52. Docking frame; 53. Connecting frame; 54. Rotating plate; 55. Coil spring; 56. Connecting plate; 57. Limit rod; 6. Hose; 7. Connecting pipe. DETAILED DESCRIPTION
[0029] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.
[0030] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.
[0031] See also Figures 1 to 5 A concrete anti-cracking device provided by an embodiment of the utility model includes: a mobile trolley body 1 and an auxiliary device 5, a water tank 2 is installed on the upper surface of the mobile trolley body 1, a water pump 3 is installed on the upper end of the water tank 2, a connecting pipe 7 is installed on one side of the water pump 3, and an end of the connecting pipe 7 away from the water pump 3 is fixedly connected to the inside of the water tank 2, and a hose 6 is connected to one side of the water pump 3. An adjusting device 4 is provided on one side of the bottom end of the mobile trolley body 1, and an auxiliary device 5 is provided at a position on the upper end surface of the water spray pipe 408 corresponding to the hose 6.
[0032] In the embodiments of the present invention, please refer to Figure 2 and Figure 3The adjusting device 4 includes a mounting frame 401, one end of which is rotatably connected to the mobile trolley body 1, a fixed rod 407 is fixedly connected to one side of the mounting frame 401, and a movable frame 405 is slidably connected to the circular arc surface of the fixed rod 407, and a servo motor 403 is fixedly connected to the end of the movable frame 405 away from the fixed rod 407, and a gear 404 is fixedly connected to the output end of the servo motor 403, and a rack 402 is meshed with the tooth surface of the gear 404, and the ground of the rack 402 is fixedly connected to one side of the mounting frame 401, and a water spray pipe 408 is fixedly connected to the lower surface of the movable frame 405, and a plurality of nozzles 409 are fixedly connected to the circular arc surface of the bottom end of the water spray pipe 408, and the water spray pipe 408 has a plurality of nozzles 409. The arc surface at the upper end is fixedly connected with the hose 6 by means of the auxiliary device 5, and the four peripheral corner surfaces of the mounting frame 401 are all slidably penetrated by a moving rod 410, and the bottom end of the moving rod 410 is rotatably connected with a pulley 412, and the arc surface of the moving rod 410 is sleeved with a spring 411, and the two ends of the spring 411 are respectively fixedly connected with the moving rod 410 and the surface of the mounting frame 401, and the moving frame 405 is rotatably connected with a sliding frame 406 on one end surface corresponding to the fixed rod 407, and the arc surface of the sliding frame 406 is slidably connected with the arc surface of the fixed rod 407, and the arc surface of the moving frame 405 is threadedly penetrated by a screw 413 at one end of the arc surface away from the rack 402, and one end of the screw 413 is in contact with the arc surface of the fixed rod 407;
[0033] In the embodiments of the present invention, please refer to Figure 4 and Figure 5 The auxiliary device 5 includes a docking frame 52, the inner wall of the docking frame 52 is fixedly connected to the arc surface of the upper end of the water spray pipe 408, the arc surface of the hose 6 is fixedly connected to the fixed frame 51, the bottom end of the fixed frame 51 is plugged into the docking frame 52, and the two end surfaces of the docking frame 52 are fixedly connected to the connecting frame 53, the inner wall of the connecting frame 53 is rotatably connected to the rotating plate 54, the cross section of the rotating plate 54 is "L" shaped, and the surface of the fixed frame 51 is fixedly connected to the position of the rotating plate 54, and the short arm end surface of the rotating plate 54 is threaded through the limit rod 57, one end of the limit rod 57 is plugged into the connecting plate 56, and the two ends of the inner wall of the connecting frame 53 are sleeved with coil springs 55, and the two ends of the coil spring 55 are respectively fixedly connected to the connecting frame 53 and the rotating plate 54, the docking frame 52 and the fixed frame 51 are both hard alloy frames, and the cross-sectional size of the docking frame 52 is adapted to the cross-sectional size of the fixed frame 51;
[0034] The working principle of a concrete anti-cracking device provided by the utility model is as follows: in construction projects, concrete pouring is usually required. After pouring, shrinkage cracks are prone to occur on the surface of the concrete, which requires water spraying and curing. At this time, the hose 6 is first connected to the water spray pipe 408 on the surface of the mobile frame 405, and then the water source in the water tank 2 is transported through the water pump 3, and then the servo motor 403 is started to drive the rotation between the gear 404 and the rack 402 at one end of the mounting frame 401, so that the mobile frame 405 can slide along the surface of the fixed rod 407 with the help of the sliding frame 406 at the other end. At this time, the nozzle 409 on the surface of the water spray pipe 408 sprays the water source on the surface of the concrete for curing. When the position of the mobile trolley body 1 and the mounting frame 401 is moved, the position of the pulley 412 is limited by the tensile force generated by the spring 411 on the surface of the mobile rod 410, and the position of the mounting frame 401 is protected by the pulley 412, thereby effectively and conveniently protecting the entire concrete from cracking.
[0035] When the water spray pipe 408 and the hose 6 are used, they need to be docked and fixed. At this time, the docking frame 52 on the upper end surface of the water spray pipe 408 is plugged and limited with the fixed frame 51 fixed at the bottom end of the hose 6, and then the rotating plate 54 is used to dock with the connecting plate 56 on the surface of the fixed frame 51, and the limit rod 57 is used to plug and fix them. At the same time, when the position of the rotating plate 54 is deflected and docked with the connecting plate 56, the torsional force generated by the coil spring 55 can be used to deflect and limit the position of the rotating plate 54, thereby effectively and conveniently performing the docking operation between the hose 6 and the water spray pipe 408.
[0036] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.
[0037] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A concrete anti-cracking device, characterized in that: include: A mobile trolley body (1) and an auxiliary device (5), wherein a water tank (2) is mounted on the upper surface of the mobile trolley body (1), a water pump (3) is mounted on the upper end of the water tank (2), a connecting pipe (7) is mounted on one side of the water pump (3), an end of the connecting pipe (7) away from the water pump (3) is fixedly connected to the interior of the water tank (2), a hose (6) is connected to one side of the water pump (3), an adjusting device (4) is arranged on one side of the bottom end of the mobile trolley body (1), the adjusting device (4) comprises a mounting frame (401), one end of the mounting frame (401) is rotatably connected to the mobile trolley body (1), one side of the mounting frame (401) is fixedly connected to a fixing rod (407), and the fixing rod (407) is fixedly connected to the fixing rod (407). The rod (407) is slidably connected to a movable frame (405) on an arc surface; one end of the movable frame (405) away from the fixed rod (407) is fixedly connected to a servo motor (403); an output end of the servo motor (403) is fixedly connected to a gear (404); a tooth surface of the gear (404) is meshed with a rack (402); the ground of the rack (402) is fixedly connected to one side of a mounting frame (401); a water spray pipe (408) is fixedly connected to the lower surface of the movable frame (405); a plurality of nozzles (409) are fixedly connected to the bottom arc surface of the water spray pipe (408); and an upper arc surface of the water spray pipe (408) is fixedly connected to a hose (6) by means of an auxiliary device (5).
2. A concrete anti-cracking device according to claim 1, characterized in that: A moving rod (410) is slidably penetrated through the four corner surfaces of the mounting frame (401), the bottom end of the moving rod (410) is rotatably connected to a pulley (412), the arc surface of the moving rod (410) is sleeved with a spring (411), and the two ends of the spring (411) are respectively fixedly connected to the moving rod (410) and the surface of the mounting frame (401).
3. A concrete anti-cracking device according to claim 1, characterized in that: The movable frame (405) is rotatably connected to a sliding frame (406) corresponding to one end surface of the fixed rod (407), and the arc surface of the sliding frame (406) is slidably connected to the arc surface of the fixed rod (407).
4. A concrete anti-cracking device according to claim 1, characterized in that: A screw rod (413) is threadedly penetrated through the arc surface of one end of the movable frame (405) away from the rack (402), and one end of the screw rod (413) is in contact with the arc surface of the fixed rod (407).
5. The concrete anti-cracking device according to claim 1, characterized in that: An auxiliary device (5) is provided at a position on the upper end surface of the water spray pipe (408) corresponding to the position of the hose (6), and the auxiliary device (5) comprises a docking frame (52), the inner wall of the docking frame (52) is fixedly connected to the arc surface of the upper end of the water spray pipe (408), the arc surface of the hose (6) is fixedly connected to a fixing frame (51), the bottom end of the fixing frame (51) is plugged into the docking frame (52), both end surfaces of the docking frame (52) are fixedly connected to a connecting frame (53), the inner wall of the connecting frame (53) is rotatably connected to a rotating plate (54), the cross section of the rotating plate (54) is "L" shaped, the surface of the fixing frame (51) is fixedly connected to a connecting plate (56) corresponding to the position of the rotating plate (54), a limit rod (57) is threadedly penetrated through the short arm end surface of the rotating plate (54), and one end of the limit rod (57) is plugged into the connecting plate (56).
6. A concrete anti-cracking device according to claim 5, characterized in that: Both ends of the inner wall of the connecting frame (53) are sleeved with coil springs (55), and the two ends of the coil spring (55) are respectively fixedly connected to the connecting frame (53) and the rotating plate (54).
7. A concrete anti-cracking device according to claim 5, characterized in that: The docking frame (52) and the fixing frame (51) are both hard alloy frames, and the cross-sectional dimensions of the docking frame (52) are matched with the cross-sectional dimensions of the fixing frame (51).
Citation Information
Patent Citations
Concrete anti-cracking curing device
CN215368829U