Pervious concrete maintenance device

Abstract

The utility model relates to the technical field of pervious concrete maintenance, in particular to a pervious concrete maintenance device which comprises a support, rolling wheels are installed on the surface of the support, and a rotating shaft is installed on the top face of the support. A positioning structure is installed on the top face of the support and comprises a fixed seat, the fixed seat is fixedly installed on the top face of the support, a movable seat is movably installed on the top face of the fixed seat through a bearing, a coil spring is arranged at the joint of the fixed seat and the movable seat, and a fixed frame is fixedly connected to the top face of the movable seat. The movable seat is arranged to be matched with the coil spring, the rotating shaft can be limited in the fixed seat, the rotating stability of the rotating shaft is guaranteed, meanwhile, the rotating shaft is prevented from falling off, the friction pad can be driven to abut against the rotating shaft by rotating the hand-rotating screw, the rotating shaft can be further fixed, and the rotating shaft is prevented from falling off. The plastic film is prevented from scattering due to rotation of the rotating shaft, and carrying convenience is not affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to water -permeable concrete maintenance technical field, concretely to a kind of water -permeable concrete maintenance device. BACKGROUND

[0002] In the process of road construction, water-permeable concrete needs to be laid on the road, and then water is sprayed to prevent cracks in the water-permeable concrete. At the same time, the film covering method is used for maintenance. There are many film covering methods on the market, and there are many devices on the market. The existing water-permeable concrete maintenance device comprises a rotating wheel, a mounting bracket and a rotating shaft. The mounting bracket is rotatably connected with two rotating wheels on both sides. The rotating wheel can roll on the ground to facilitate the movement of the device. The rotating shaft is rotatably connected to the upper part of the front side of the mounting bracket. The plastic film is wound around the rotating shaft.

[0003] To this end, Chinese patent number CN202220734798.2 discloses an automatic film covering water-permeable concrete maintenance device, which comprises a rotating wheel, a mounting bracket, a rotating shaft and a compaction mechanism. The mounting bracket is rotatably provided with two rotating wheels on both sides. The rotating shaft is rotatably provided on the upper part of the front side of the mounting bracket. The plastic film is wound around the rotating shaft. The compaction mechanism is provided on the mounting bracket. The utility model adopts the rotating shaft rotating mode, which can cover the plastic film on the water-permeable concrete. Moreover, the rolling cylinder can uniformly lay the plastic film by pressing the plastic film.

[0004] The device can lay plastic film on water-permeable concrete by setting a rotatable rotating shaft. However, there is no limit between the rotating shaft and the mounting bracket. When the device moves and shakes, the rotating shaft will fall off the mounting bracket, causing the plastic film to fall off and coil, affecting the user experience.

[0005] Therefore, in order to solve the above problems, a water-permeable concrete maintenance device is proposed. UTILITY MODEL CONTENTS

[0006] The utility model aims to provide a water-permeable concrete maintenance device to solve the problem of the prior art mentioned in the background art, which is that the rotating shaft is rotatable, the plastic film can be laid on the water-permeable concrete, but there is no limit between the rotating shaft and the mounting bracket. When the device moves and shakes, the rotating shaft will fall off the mounting bracket, causing the plastic film to fall off and coil, affecting the user experience.

[0007] To achieve the above purpose, the utility model provides the following technical scheme: a water-permeable concrete maintenance device, comprising: a bracket, the surface of the bracket is provided with a roller, and the top surface of the bracket is provided with a rotating shaft;

[0008] The top surface of the support is provided with a positioning structure, the positioning structure comprises a fixed seat, the fixed seat is fixedly installed on the top surface of the support, the top surface of the fixed seat is movably provided with a movable seat through a bearing, a coil spring is arranged at the connecting position of the fixed seat and the movable seat, the top surface of the movable seat is fixedly connected with a fixed frame, the inner bottom surface of the fixed frame is movably provided with a movable frame, the bottom end of the movable frame is fixedly connected with a friction pad, and the top surface of the fixed frame is threadedly connected with a hand screw.

[0009] Preferably, the inner side of the support is provided with a compaction structure, the compaction structure comprises a fixed block, the fixed block is fixedly installed on the inner wall of the support, the inner side of the fixed block is rotatably connected with a rotating block, one end of the rotating block is fixedly connected with a connecting arm, and the bottom end of the connecting arm is rotatably connected with a roller.

[0010] Preferably, the rotating shaft is rotatably installed between the fixed seat and the movable seat.

[0011] Preferably, the bottom surface of the friction pad is exposed to the bottom surface of the movable seat.

[0012] Preferably, the hand screw penetrates through the fixed frame and is rotatably connected with the movable frame at the bottom end.

[0013] Preferably, the connecting arm is installed in an inclined manner, and the roller is located at the inner side of the support.

[0014] Compared with the prior art, the utility model has the advantages that the movable seat cooperates with the coil spring to limit the rotating shaft in the fixed seat, the rotating stability of the rotating shaft is ensured, the rotating shaft is prevented from falling off, the friction pad is driven to abut against the rotating shaft by rotating the hand screw, the rotating shaft is further fixed, the plastic film is prevented from being scattered due to the rotation of the rotating shaft, and the carrying convenience is affected.

[0015] 1. The utility model discloses a positioning structure is set up, and the fixed frame is pulled, drives two movable seats to overturn on the fixed seat, can make the inner side of the fixed seat expose, and the movable seat drives the coil spring to deform when being active, and then the rotating shaft is placed in the inner side of the fixed seat, and the movable seat is clamped on the upper side of the rotating shaft under the elastic action of the coil spring when the fixed frame is loosened, and the fixed seat cooperates with the movable seat and can limit and fix the rotating shaft, the installation convenience of the rotating shaft is ensured, and the rotating shaft is prevented from loosening and falling off, when carrying the device, the hand screw is rotated, the hand screw is screwed with the movable frame, and the rotation of the hand screw drives the movable frame to descend on the inner side of the fixed frame, and the movable frame drives the friction pad to stretch out from the bottom surface of the movable seat, can abut against the top surface of the rotating shaft, can limit the angle between the rotating shaft and the fixed seat and the movable seat, avoids the rotating shaft from rotating when moving the device, and the plastic film is prevented from scattering, waste is caused, and the carrying experience is affected.

[0016] 2. The utility model discloses a compaction structure is set up, pulls the drum, can drive the connecting arm and the rotating block rotate on the fixed block, lays the plastic film on the downside of the drum, loosens the drum, and the drum can be pressed on the upside of the plastic film under the action of gravity, guarantees the laying effect of the plastic film. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structure of the utility model's front view schematic diagram;

[0018] Figure 2 It is the structure of the utility model's explosion schematic diagram;

[0019] Figure 3 It is the structure of the utility model's positioning structure's explosion schematic diagram;

[0020] Figure 4 It is the structure of the utility model's compaction structure's explosion schematic diagram.

[0021] In the drawing: 1, support;11, gyro wheel;12, shaft;2, positioning structure;21, fixed seat;22, movable seat;23, coil spring;24, fixed frame;25, movable frame;26, friction pad;27, hand screw;3, compaction structure;31, fixed block;32, rotating block;33, connecting arm;34, drum. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides a kind of pervious concrete maintenance device embodiment:

[0024] Support 1, gyro wheel 11 and shaft 12 used in the application are products that can be directly purchased in market, its principle and connection mode are all prior art known to those skilled in the art, so here is not repeated.

[0025] A kind of pervious concrete maintenance device, comprising: support 1, the surface of support 1 is equipped with gyro wheel 11, and the top surface of support 1 is equipped with shaft 12;

[0026] The top surface of the support 1 is provided with a positioning structure 2, which comprises a fixed seat 21 fixedly installed on the top surface of the support 1, the top surface of the fixed seat 21 is movably provided with a movable seat 22 through a bearing, a coiled spring 23 is arranged at the connection between the fixed seat 21 and the movable seat 22, the top surface of the movable seat 22 is fixedly connected with a fixed frame 24, the inner bottom surface of the fixed frame 24 is slidably provided with a movable frame 25, the bottom end of the movable frame 25 is fixedly connected with a friction pad 26, the top surface of the fixed frame 24 is threadedly connected with a hand screw 27, the movable seat 22 cooperates with the coiled spring 23 to limit the rotation shaft 12 in the fixed seat 21, which ensures the stability of the rotation of the rotation shaft 12 and avoids the falling of the rotation shaft 12, and rotating the hand screw 27 can drive the friction pad 26 to abut against the rotation shaft 12, which can further fix the rotation shaft 12 and avoid the self-rotation of the rotation shaft 12 to cause the plastic film to scatter and affect the carrying convenience.

[0027] Further, the inner side of the support 1 is provided with a compacting structure 3, which comprises a fixed block 31 fixedly installed on the inner wall of the support 1, the inner side of the fixed block 31 is rotatably connected with a rotating block 32, one end of the rotating block 32 is fixedly connected with a connecting arm 33, the bottom end of the connecting arm 33 is rotatably connected with a roller 34, pulling the roller 34 can drive the connecting arm 33 and the rotating block 32 to rotate on the fixed block 31, and the plastic film is laid on the lower side of the roller 34, and releasing the roller 34 can press on the upper side of the plastic film under the action of gravity, thereby ensuring the laying effect of the plastic film.

[0028] Further, the rotation shaft 12 is rotatably installed between the fixed seat 21 and the movable seat 22, and the fixed seat 21 cooperates with the movable seat 22 to provide limiting for the rotation of the rotation shaft 12, thereby avoiding the falling of the rotation shaft 12.

[0029] Further, the bottom surface of the friction pad 26 is exposed to the bottom surface of the movable seat 22, and the friction pad 26 can abut against the surface of the movable seat 22 to fix the rotation shaft 12, thereby avoiding the scattering of the plastic film when the device is carried.

[0030] Further, the hand screw 27 penetrates through the fixed frame 24 and is rotatably connected with the movable frame 25 at the bottom end, and rotating the hand screw 27 can drive the movable frame 25 to move up and down inside the fixed frame 24.

[0031] Further, the connecting arm 33 is installed in an inclined manner, and the roller 34 is located on the inner side of the support 1, and the roller 34 can press the plastic film on the ground under the action of gravity.

[0032] Working principle: before use, pull the fixed frame 24, drive two groups of movable seat 22 on the fixed seat 21 overturn, can make the inside of fixed seat 21 expose, and movable seat 22 in the activity time drive the deformation of coil spring 23, place the rotating shaft 12 in the inside of fixed seat 21, then loosen the fixed frame 24, movable seat 22 is clamped in the upper side of rotating shaft 12 under the elastic action of coil spring 23, fixed seat 21 cooperates with movable seat 22 can limit and fix rotating shaft 12, guarantee the installation convenience of rotating shaft 12, and avoid the loosening of rotating shaft 12;

[0033] In use, pull the roller 34, can drive the connecting arm 33 and the rotary block 32 on the fixed block 31 rotation, lay the plastic film on the lower side of roller 34, loosen the roller 34, the roller 34 can be pressed on the upper side of plastic film under the action of gravity, guarantee the laying effect of plastic film;

[0034] When carrying the device, the hand screw rod 27 can be rotated, the hand screw rod 27 is screwed with the movable frame 25, the rotation of the hand screw rod 27 drives the movable frame 25 to descend in the inside of fixed frame 24, and the movable frame 25 drives the friction pad 26 to stretch out from the bottom surface of movable seat 22, can abut the top surface of rotating shaft 12, can limit the angle of rotating shaft 12 between fixed seat 21 and movable seat 22, avoid the rotation of rotating shaft 12 when moving the device, and cause plastic film to scatter, cause waste, and affect the carrying experience.

[0035] The above is only the preferred embodiment of the present application, and does not limit the present application in any form; any ordinary technical personnel in the industry can implement the present application according to the above description and the drawings; however, any equivalent changes, modifications and evolution of the above disclosed technical content without departing from the technical scheme of the present application can be made by the skilled in the art; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present application are still within the protection scope of the technical scheme of the present application.

Claims

1. A pervious concrete maintenance device comprising: Support (1), the surface of the support (1) is mounted with a roller (11), the top surface of the support (1) is mounted with a rotating shaft (12); It is characterized by: The top surface of the support (1) is provided with a positioning structure (2), the positioning structure (2) comprises a fixed seat (21), the fixed seat (21) is fixedly installed on the top surface of the support (1), the top surface of the fixed seat (21) is movably installed with a movable seat (22) through a bearing, a coil spring (23) is arranged at the connection between the fixed seat (21) and the movable seat (22), the top surface of the movable seat (22) is fixedly connected with a fixed frame (24), the inside of the bottom surface of the fixed frame (24) is slidably installed with a movable frame (25), the bottom end of the movable frame (25) is fixedly connected with a friction pad (26), and the top surface of the fixed frame (24) is threadedly connected with a hand screw (27).

2. A pervious concrete maintenance device according to claim 1, wherein: The inside of the support (1) is provided with a compaction structure (3), the compaction structure (3) comprises a fixed block (31), the fixed block (31) is fixedly installed on the inner wall of the support (1), the inside of the fixed block (31) is rotatably connected with a rotating block (32), one end of the rotating block (32) is fixedly connected with a connecting arm (33), and the bottom end of the connecting arm (33) is rotatably connected with a roller (34).

3. A pervious concrete maintenance device according to claim 1, wherein: The rotating shaft (12) is rotatably installed between the fixed seat (21) and the movable seat (22).

4. A pervious concrete maintenance device according to claim 1, wherein: The bottom surface of the friction pad (26) exposes the bottom surface of the movable seat (22).

5. A pervious concrete maintenance device according to claim 1, wherein: The hand screw (27) penetrates through the fixed frame (24) and is rotatably connected with the movable frame (25) at the bottom end.

6. A pervious concrete maintenance device according to claim 2, wherein: The connecting arm (33) is installed in an inclined manner, and the roller (34) is located on the inside of the support (1).

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