Curing device for preventing cracking of pervious concrete

Abstract

The utility model discloses a maintenance device for preventing cracking of pervious concrete. The maintenance device comprises a chassis and a spray head, rear wheels and front wheels are rotationally installed at the bottom of the chassis, a handrail and a water tank are fixedly installed on the top face of the chassis, a rotating assembly is arranged at the top of the chassis, a replacing assembly is arranged on the rotating assembly, and the spray head is arranged on the replacing assembly. The replacement assembly comprises a threaded column which is fixedly installed at the top end of the long rod, one end of a water pipe penetrates through a through hole formed in the top end of the threaded column, an inner threaded pipe is installed on the outer wall of the threaded column in a threaded mode, a spray head is arranged at one end of the inner threaded pipe, one end of the water pipe penetrates through the inner threaded pipe, and one end of the water pipe is arranged on the outer wall of the spray head. According to the maintenance device for preventing cracking of the pervious concrete, the structural design is reasonable, workers do not need to manually hold a water pipe to spray water, the labor intensity of the workers is greatly reduced, the maintenance device is not limited by the length of the water pipe, long-distance maintenance can be achieved, and the use effect is good.

Description

Technical Field

[0001] This utility model relates to the field of curing device technology, specifically a curing device for preventing cracking in permeable concrete. Background Technology

[0002] Permeable concrete is a type of concrete that does not contain fine aggregate (sand). It is made by mixing cement and coarse aggregate in a certain proportion. Permeable concrete contains a large number of large pores, the size of which is mainly related to the particle size of the coarse aggregate.

[0003] Currently, permeable concrete is prone to cracking when exposed to prolonged sunlight. Therefore, it requires regular watering maintenance. However, this process involves manually holding a water hose to spray water, which significantly increases labor intensity. Furthermore, the hose length limits the effectiveness of long-distance maintenance, resulting in poor performance. Therefore, existing technologies need to be improved. Utility Model Content

[0004] The purpose of this invention is to provide a curing device for preventing cracking in permeable concrete, in order to solve the problem mentioned in the background art that permeable concrete is prone to cracking when exposed to the sun for a long time. Therefore, it is necessary for workers to regularly spray water on the permeable concrete for curing. When spraying water on the permeable concrete, workers need to manually hold the water pipe to spray water, which greatly increases the labor intensity and is also easily limited by the length of the water pipe, making it impossible to carry out long-distance curing and resulting in poor performance.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a curing device for preventing cracking of permeable concrete, comprising a chassis and a nozzle, wherein a rear wheel and a front wheel are rotatably mounted on the bottom of the chassis, a handrail and a water tank are fixedly mounted on the top surface of the chassis, a rotating assembly is provided on the top of the chassis, a replacement assembly is provided on the rotating assembly, and a nozzle is provided on the replacement assembly.

[0006] The rotating assembly includes a reciprocating lead screw and a water pipe. Drive rods are fixedly installed at both ends of the reciprocating lead screw. One end of the drive rod is fixedly installed on the outer wall of the front wheel. The drive rod is rotatably installed on the bottom of the chassis via a mounting bracket. A connecting ring is threaded onto the outer wall of the reciprocating lead screw. A connecting rod is fixedly installed on the side wall of the connecting ring.

[0007] The replacement component includes a threaded post, which is fixedly installed at the top of a long rod. One end of the water pipe passes through a through hole at the top of the threaded post. An internally threaded tube is threaded onto the outer wall of the threaded post. A nozzle is provided at one end of the internally threaded tube. One end of the water pipe passes through the interior of the internally threaded tube and is located on the outer wall of the nozzle.

[0008] The rear wheel and the front wheel have drive holes on their frame sidewalls, and bearing seats are installed at both ends of the drive rod, with the bearing seats installed inside the drive.

[0009] As a preferred embodiment of the present invention for a curing device to prevent cracking of permeable concrete, a toothed strip is fixedly installed at one end of the connecting rod, a limiting block is fixedly installed on one side wall of the toothed strip, a sliding groove is provided at the bottom of the chassis, the inner wall of the sliding groove is slidably connected to the limiting block, a gear is rotatably installed at the bottom of the chassis, the toothed strip is meshed with the gear, a long rod is fixedly installed on the outer wall of the gear, and the long rod passes through a through hole provided at one end of the chassis.

[0010] As a preferred embodiment of the present invention for a curing device to prevent cracking of permeable concrete, a water pipe is provided on the inner wall of the long rod, one end of the water pipe passes through a through hole provided at the top of the long rod, the other end of the water pipe passes through a through hole provided on the side wall of the long rod, and the other end of the water pipe passes through a through hole provided on the side wall of the water tank.

[0011] As a preferred embodiment of the present invention for a curing device to prevent cracking of permeable concrete, a water pump is provided at the other end of the water pipe, and the water pump is fixedly installed on the inner wall of the water tank.

[0012] As a preferred embodiment of the present invention for a curing device to prevent cracking of permeable concrete, the outer wall of the bearing seat is provided with rotating cavities evenly spaced along its axis, and ball bearings are installed inside the rotating cavities, with the ball bearings fitting snugly against the inner wall of the drive hole.

[0013] As a preferred embodiment of the present invention for a curing device to prevent cracking in permeable concrete, a limiting ring a is fitted at one end of the outer wall of the bearing seat, and a limiting ring b is fitted at the other end of the outer wall of the bearing seat.

[0014] As a preferred embodiment of the present invention for a curing device to prevent cracking in permeable concrete, the outer diameter of the limiting ring a and the limiting ring b is larger than the inner diameter of the driving hole, the limiting ring a is disposed on one side of the driving hole, and the limiting ring b is disposed on the other side of the driving hole.

[0015] Compared with the prior art, the beneficial effects of this utility model are: the setting of the curing device for preventing cracking of permeable concrete has a reasonable structural design;

[0016] This design effectively enables mechanical spraying, eliminating the need for manual water pipe holding and spraying, greatly reducing labor intensity and overcoming the limitations of pipe length, allowing for long-distance maintenance with excellent results.

[0017] By incorporating replaceable components, different types of nozzles can be replaced to meet various permeable concrete curing needs. Since the inner wall of one end of the internally threaded tube is threadedly connected to the outer wall of the threaded column, the internally threaded tube can be removed from the threaded column by rotating it. This allows for the replacement of different types of nozzles, with one end of the internally threaded tube on the nozzle inserted into the threaded column. Rotating the internally threaded tube ensures its threads are properly installed on the threaded column. This design effectively allows for the replacement of different types of nozzles according to varying permeable concrete curing requirements, greatly improving the practicality of the curing device and resulting in excellent performance. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the rotating component of this utility model.

[0020] Figure 3 This is a cross-sectional view of the threaded column and the internally threaded tube of this utility model.

[0021] Figure 4 This is an enlarged structural diagram of point A in this utility model;

[0022] Figure 5 This is a schematic diagram of the bearing housing of this utility model.

[0023] In the diagram: 1. Chassis; 2. Handrail; 3. Rear wheel; 4. Front wheel; 5. Water tank; 6. Nozzle; 7. Rotating assembly; 71. Drive rod; 72. Reciprocating screw; 73. Toothed rack; 74. Limiting block; 75. Gear; 76. Long rod; 77. Water pipe; 78. Water pump; 79. Connecting ring; 710. Connecting rod; 8. Replacement assembly; 81. Threaded column; 82. Internally threaded pipe; 91. Bearing housing; 92. Limiting ring a; 93. Limiting ring b; 94. Ball bearing; 95. Rotating cavity. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figure 1-5 This utility model provides a technical solution:

[0026] In this technical solution, a maintenance device for preventing cracking of permeable concrete includes a chassis 1 and a nozzle 6. The bottom of the chassis 1 is rotatably mounted with a rear wheel 3 and a front wheel 4. The top surface of the chassis 1 is fixedly mounted with a handrail 2 and a water tank 5. The top of the chassis 1 is provided with a rotating assembly 7, and a replacement assembly 8 is provided on the rotating assembly 7. The nozzle 6 is provided on the replacement assembly 8. The rotating assembly 7 includes a reciprocating screw 72 and a water pipe 77. The two ends of the reciprocating screw 72 are fixedly mounted with a drive rod 71. One end of the drive rod 71 is fixedly mounted on the outer wall of the front wheel 4. The drive rod 71 is rotatably mounted on the bottom of the chassis 1 through a mounting bracket. A connecting ring 79 is threaded on the outer wall of the reciprocating screw 72. A connecting rod 710 is fixedly mounted on the side wall of the connecting ring 79.

[0027] The replacement component 8 includes a threaded post 81, which is fixedly installed at the top of the long rod 76. One end of the water pipe 77 passes through the through hole at the top of the threaded post 81. An internally threaded tube 82 is threaded onto the outer wall of the threaded post 81. A nozzle 6 is provided at one end of the internally threaded tube 82. One end of the water pipe 77 passes through the interior of the internally threaded tube 82 and is located on the outer wall of the nozzle 6. Drive holes are provided on the side walls of the frame of the rear wheel 3 and the front wheel 4. Bearing seats 91 are installed at both ends of the drive rod 71. The bearing seats 91 are installed inside the drive.

[0028] In this technical solution, the handle 2 pushes the chassis 1, causing the rear wheel 3 and front wheel 4 at the bottom of the chassis 1 to rotate. Simultaneously, the displacement of the chassis 1 drives the water tank 5 to move synchronously. The rotation of the front wheel 4 drives the reciprocating screw 72 to rotate via the drive rod 71. The outer wall of the reciprocating screw 72 is threadedly connected to the connecting ring 79. As the reciprocating screw 72 rotates, it causes the connecting ring 79 to move on its outer wall. Simultaneously, the displacement of the connecting ring 79 drives the toothed rack 73 to move via the connecting rod 710. The toothed rack 73 is meshed with the gear 75. When the gear... As the strip 73 moves, it drives the gear 75 to rotate. The gear 75 then drives the long rod 76 to rotate. When the connecting ring 79 moves back to its original position on the reciprocating screw 72, the gear 75 rotates in the opposite direction based on the above working principle. This process repeats, and as the long rod 76 rotates, it drives the threaded column 81 to rotate. The threaded column 81 then drives the internal threaded tube 82 to rotate. The internal threaded tube 82 then drives the nozzle 6 to rotate. The water pump 78 is then started, and it draws water from the water tank into the water pipe 77. The water is then introduced into the nozzle 6 from the water pipe 77, allowing it to spray water in a wide arc.

[0029] In some technical solutions, a toothed rack 73 is fixedly installed at one end of the connecting rod 710, and a limit block 74 is fixedly installed on one side wall of the toothed rack 73. A sliding groove is provided at the bottom of the chassis 1, and the inner wall of the sliding groove is slidably connected to the limit block 74. A gear 75 is rotatably installed at the bottom of the chassis 1, and the toothed rack 73 is meshed with the gear 75. A long rod 76 is fixedly installed on the outer wall of the gear 75. The long rod 76 passes through a through hole provided at one end of the chassis 1. A water pipe 77 is provided on the inner wall of the long rod 76. One end of the water pipe 77 passes through a through hole provided at the top of the long rod 76, and the other end of the water pipe 77 passes through a through hole provided on the side wall of the long rod 76. The other end of the water pipe 77 passes through a through hole provided on the side wall of the water tank 5, and a water pump 78 is provided at the other end of the water pipe 77. The water pump 78 is fixedly installed on the inner wall of the water tank 5.

[0030] In this technical solution, to meet different permeable concrete curing needs, since the inner wall of one end of the internal threaded tube 82 is threadedly connected to the outer wall of the threaded post 81, the internal threaded tube 82 can be removed from the threaded post 81 by rotating the internal threaded tube 82, and a different type of nozzle 6 can be replaced. One end of the internal threaded tube 82 on the nozzle 6 is inserted into the threaded post 81, and the internal threaded tube 82 is rotated to install its threads onto the threaded post 81.

[0031] In some technical solutions, the outer wall of the bearing housing 91 is provided with rotating cavities 95 evenly spaced along its axis, and the rotating cavities 95 are equipped with balls 94, which are fitted against the inner wall of the drive hole.

[0032] In this technical solution, bearing seats 91 are installed at both ends of the drive rod 71. The drive rod 71 is installed in the drive holes in the wheel frame of the rear wheel 3 and the front wheel 4 through the bearing seats 91, and rotates. The rotation efficiency of the drive rod 71 can be improved by the setting of the ball bearings 94.

[0033] In some technical solutions, a limiting ring a92 is fitted on one end of the outer wall of the bearing housing 91, and a limiting ring b93 is fitted on the other end of the outer wall of the bearing housing 91. The outer diameter of the limiting ring a92 and the limiting ring b93 is larger than the inner diameter of the driving hole. The limiting ring a92 is located on one side of the driving hole, and the limiting ring b93 is located on the other side of the driving hole.

[0034] In this technical solution, the bearing housing 91 is limited within the drive hole by limiting rings a92 and b91.

[0035] Working process and principle: The handle 2 pushes the chassis 1, causing the rear wheel 3 and front wheel 4 at the bottom of the chassis 1 to rotate. Simultaneously, the chassis 1 moves, causing the water tank 5 to move synchronously. The rotation of the front wheel 4 drives the reciprocating screw 72 via the drive rod 71. The outer wall of the reciprocating screw 72 is threadedly connected to the connecting ring 79. As the reciprocating screw 72 rotates, it causes the connecting ring 79 to move on its outer wall. Simultaneously, the displacement of the connecting ring 79 drives the toothed rack 73 via the connecting rod 710. The toothed rack 73 meshes with the gear 75. As the toothed rack 73 moves, it drives the gear 75 to rotate. The gear 75 synchronously drives the long rod 76 to rotate. When the connecting ring 79 moves back to its original position on the reciprocating screw 72, the gear 75 rotates in reverse according to the above working principle. The long rod 76 rotates in a circular motion, driving the threaded column 81 to rotate. The threaded column 81 then drives the internal threaded tube 82 to rotate, which in turn drives the nozzle 6 to rotate. The water pump 78 is then activated, drawing water from the water tank into the water pipe 77, which then guides the water into the nozzle 6, allowing it to spray water in a wide arc. To meet the different curing needs of permeable concrete, since the inner wall of one end of the internal threaded tube 82 is threadedly connected to the outer wall of the threaded column 81, the internal threaded tube 82 can be removed from the threaded column 81 by rotating it. Different types of nozzles 6 can then be replaced. One end of the internal threaded tube 82 on the nozzle 6 is inserted into the threaded column 81, and the internal threaded tube 82 is rotated to install its threads onto the threaded column 81.

[0036] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0037] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A curing device for preventing cracking in permeable concrete, comprising a chassis (1) and a nozzle (6), characterized in that, The bottom of the chassis (1) is rotatably mounted with a rear wheel (3) and a front wheel (4). A handrail (2) and a water tank (5) are fixedly mounted on the top surface of the chassis (1). A rotating component (7) is provided on the top of the chassis (1). A replacement component (8) is provided on the rotating component (7). A nozzle (6) is provided on the replacement component (8). The rotating assembly (7) includes a reciprocating screw (72) and a water pipe (77). A drive rod (71) is fixedly installed at both ends of the reciprocating screw (72). One end of the drive rod (71) is fixedly installed on the outer wall of the front wheel (4). The drive rod (71) is rotatably installed on the bottom of the chassis (1) through a mounting bracket. A connecting ring (79) is threaded on the outer wall of the reciprocating screw (72). A connecting rod (710) is fixedly installed on the side wall of the connecting ring (79). The replacement component (8) includes a threaded post (81), which is fixedly installed at the top of a long rod (76). One end of a water pipe (77) passes through a through hole at the top of the threaded post (81). An internally threaded pipe (82) is threaded onto the outer wall of the threaded post (81). A nozzle (6) is provided at one end of the internally threaded pipe (82). One end of the water pipe (77) passes through the interior of the internally threaded pipe (82). One end of the water pipe (77) is located on the outer wall of the nozzle (6). The rear wheel (3) and the front wheel (4) have drive holes on their frame sidewalls. Both ends of the drive rod (71) are equipped with bearing seats (91), which are installed inside the drive.

2. The curing device for preventing cracking in permeable concrete according to claim 1, characterized in that: A toothed rack (73) is fixedly installed at one end of the connecting rod (710). A limit block (74) is fixedly installed on the side wall of one side of the toothed rack (73). A sliding groove is provided at the bottom of the chassis (1). The inner wall of the sliding groove is slidably connected to the limit block (74). A gear (75) is rotatably installed at the bottom of the chassis (1). The toothed rack (73) and the gear (75) are meshed together. A long rod (76) is fixedly installed on the outer wall of the gear (75). The long rod (76) passes through a through hole provided at one end of the chassis (1).

3. A curing device for preventing cracking in permeable concrete according to claim 2, characterized in that: The inner wall of the long rod (76) is provided with a water pipe (77). One end of the water pipe (77) passes through the through hole provided at the top of the long rod (76), and the other end of the water pipe (77) passes through the through hole provided on the side wall of the long rod (76). The other end of the water pipe (77) passes through the through hole provided on the side wall of the water tank (5).

4. A curing device for preventing cracking in permeable concrete according to claim 3, characterized in that: A water pump (78) is provided at the other end of the water pipe (77), and the water pump (78) is fixedly installed on the inner wall of the water tank (5).

5. A curing device for preventing cracking in permeable concrete according to claim 1, characterized in that: The outer wall of the bearing housing (91) is provided with rotating cavities (95) evenly spaced along its axis. Ball bearings (94) are installed inside the rotating cavities (95) and are fitted to the inner wall of the drive hole.

6. A curing device for preventing cracking in permeable concrete according to claim 5, characterized in that: A limiting ring a (92) is fitted on one end of the outer wall of the bearing housing (91), and a limiting ring b (93) is fitted on the other end of the outer wall of the bearing housing (91).

7. A curing device for preventing cracking in permeable concrete according to claim 6, characterized in that: The outer diameter of the limiting ring a (92) and the limiting ring b (93) is larger than the inner diameter of the driving hole. The limiting ring a (92) is located on one side of the driving hole, and the limiting ring b (93) is located on the other side of the driving hole.

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