Concrete maintenance device for building construction

Abstract

The utility model discloses a concrete maintenance device for building construction, which relates to the technical field of building construction and comprises a base, a stirring box is arranged at the top of the base, the stirring box is inserted into the base and fixedly connected with the base, an adjusting structure is arranged on the stirring box, a liquid conveying pipe is arranged below the base, and the liquid conveying pipe is connected with the stirring box. The liquid conveying pipe penetrates through the base and is fixedly connected with the base, the liquid conveying pipe is inserted into the interior of the stirring box and is communicated with the stirring box, and the stirring device has the advantages that the two electric telescopic rods synchronously operate, so that the angle of the fixing block on the outer side of the liquid conveying pipe is rotated, and the angle of the first connecting pipe and the angle of the second connecting pipe are further rotated; and meanwhile, through synchronous operation of a plurality of hydraulic cylinders, the spraying positions of a first connecting pipe and a second connecting pipe are adjusted, then concrete is maintained at different positions, and the practicability of the device is improved.

Description

Technical field:

[0001] The utility model relates to the technical field of building construction, in particular to a concrete maintenance device for building construction. Background technology:

[0002] Building construction refers to the production activities during the implementation stage of engineering construction. It is the construction process of various buildings. It can also be said to be the process of turning various lines on the design drawings into physical objects at designated locations. It includes foundation engineering construction, main structure construction, roofing engineering construction, decoration engineering construction, etc. During the construction process, the poured concrete needs to be maintained.

[0003] Currently, there is a concrete maintenance device for construction with patent number 202221850153.1. The concrete maintenance device includes a base plate and a filtering mechanism. The bottom of the base plate is provided with moving wheels, one side of the base plate is fixedly connected with a push rod, the top of the base plate is provided with a water storage tank, and the top of the water storage tank is provided with a water inlet; the filtering mechanism is arranged inside the water storage tank, and the filtering mechanism includes a first mounting track and a filter screen plate. The inner wall of the water storage tank is fixedly connected with the first mounting track, and the inner wall of the first mounting track is slidably connected with the filter screen plate. The concrete maintenance device for construction provided by the utility model solves the problem that some existing concrete maintenance devices for construction have relatively single functions. When maintaining concrete, the water quality cannot be filtered, and various impurities, mud, sand and oil in the sprayed water will affect the strength of the concrete, reducing the practicality.

[0004] However, the improved water spraying mechanism of the above patent adopts a fixed setting, the spraying direction is single, and the spraying area is small, which is inconvenient for efficient maintenance of concrete in construction. Therefore, we propose a concrete maintenance device for construction. Utility model content:

[0005] The utility model aims to provide a concrete maintenance device for building construction to solve the shortcomings of the prior art.

[0006] The utility model is implemented by the following technical scheme: a concrete maintenance device for construction, comprising a base, a mixing box is arranged on the top of the base, the mixing box is inserted into the interior of the base and fixedly connected thereto, an adjusting structure is arranged on the mixing box, an infusion tube is arranged below the base, the infusion tube penetrates the base and is fixedly connected thereto, the infusion tube is inserted into the interior of the mixing box and communicates with it, an auxiliary plate is arranged below the base, support blocks are fixedly installed on both sides of the top of the auxiliary plate, the two support blocks are fixedly connected to the base, a fixed block is slidably connected to the top of the auxiliary plate, a fixed pipe is arranged inside the fixed block, the fixed pipe penetrates the fixed block and is fixedly connected thereto, the infusion tube is inserted into the interior of the fixed block and is rotatably connected thereto, a first connecting pipe and a second connecting pipe are respectively arranged on the corresponding two sides of the fixed pipe, a nozzle is fixedly installed on the side away from each other of the first connecting pipe and the second connecting pipe, and auxiliary structures are arranged on the two support blocks.

[0007] Preferably, the auxiliary structure includes an electric telescopic rod, which is inserted into the interior of the supporting block and fixedly connected thereto, and the output end of the electric telescopic rod is fixedly installed with a first auxiliary block, the interior of the first auxiliary block is rotatably connected to a connecting plate via a rotating shaft, and the connecting plate is rotatably connected to a second auxiliary block via a rotating shaft on a side away from the first auxiliary block, the second auxiliary block is inserted into the interior of the fixed block and slidably connected thereto, and a guide rod is provided inside the second auxiliary block, the guide rod passes through the second auxiliary block and is slidably connected thereto, and the guide rod is fixedly connected to the fixed block, and the two electric telescopic rods are synchronously operated to make the two first auxiliary blocks approach each other, and further cooperate with the connecting plate to make the second auxiliary block inside the fixed block move laterally on the outside of the guide rod, thereby realizing the rotation of the angle of the fixed block outside the infusion tube, and further realizing the rotation of the angle of the first connecting tube and the second connecting tube.

[0008] Preferably, valves are provided on the outer side of the fixed pipe and on the corresponding two sides of the fixed block, a first flange is fixedly installed on the side where the first connecting pipe and the second connecting pipe are close to each other, and a second flange cooperating with the two first flanges is fixedly installed on the outer side of the fixed pipe, and a plurality of fixing bolts are fixedly installed on the side where the two first flanges are far away from the fixed block, and the plurality of fixing bolts pass through the two first flanges and the second flanges and are threadedly connected thereto. The first connecting pipe and the second connecting pipe cooperate with the fixing bolts through the first flange and the second flange to achieve fixed connection between the first connecting pipe and the second connecting pipe and the fixed pipe, which further facilitates the replacement of the connecting pipes according to the spraying needs, and further controls the output of the liquid by the provided valves.

[0009] Preferably, bases are fixedly installed at the four corners of the bottom of the base, and legs are provided at the bottom of several of the bases. Hydraulic cylinders are embedded on the tops of several of the legs, and the output ends of the hydraulic cylinders are fixedly connected to the bases. Fixed frames are fixedly installed on the outer sides of several of the bases, and the legs are inserted into the interior of the fixed frames and slidably connected thereto. The several hydraulic cylinders are synchronously operated to move the several bases longitudinally, and the height of the bases is further adjusted, thereby adjusting the height of the first connecting pipe and the second connecting pipe to adjust the spraying position.

[0010] Preferably, a box cover is provided on the top of the mixing box, and the mixing box is inserted into the interior of the box cover and is slidably connected thereto, and two limit blocks are fixedly installed on the bottom of the box cover, and the two limit blocks are inserted into the interior of the mixing box and are slidably connected thereto, and a servo motor is fixedly installed inside the box cover, and a stirring rod is fixedly installed on the output end of the servo motor, and the stirring rod passes through the bottom of the box cover and is slidably connected thereto, and a plurality of fixed plates are provided on the outside of the stirring rod, and a plurality of stirring blades are fixedly installed on one side of the plurality of fixed plates close to the stirring rod, and a plurality of stirring blades are fixedly connected to the stirring rod, and a plurality of fixed plates are slidably connected to the mixing box, and the stirring blades and the fixed plates on the outside of the stirring rod are driven by the arranged servo motor to rotate, and the curing agent and water are mixed by the arranged stirring blades, and further contact with the inner wall of the mixing box through the arranged fixed plate, so as to facilitate scraping of the material on the inner wall of the mixing box.

[0011] Preferably, two mounting blocks are fixedly installed on the outer side of the mixing box, and two arc plates are provided on one side of the two mounting blocks close to the box cover, and the arc plates are slidably connected to the mounting blocks, and T-shaped sliding bars are fixedly installed on one side of the two arc plates away from the box cover, and the T-shaped sliding bars are inserted into the interior of the mounting blocks and slidably connected thereto, and two return springs are fixedly installed on one side of the two arc plates away from the box cover and on the corresponding sides of the T-shaped sliding bars, and one end of several return springs away from the arc plates is fixedly connected to the mounting block, and two insertion rods are fixedly installed on one side of the two arc plates close to the box cover, and several of the insertion rods are inserted into the interior of the box cover and slidably connected thereto, the insertion rods are moved out of the interior of the box cover by pulling the arc plate, and the connection between the mixing box and the box cover is released by moving the box cover upward.

[0012] Preferably, a protective plate is fixedly installed on one side of the base, a push rod is fixedly installed on the side of the protective plate away from the base, a controller is embedded on the top of the push rod, the controller is electrically connected to the valve, the electric telescopic rod, the servo motor and the hydraulic cylinder, a transparent window is provided on the mixing box, self-locking wheels are fixedly installed on the bottom of several legs, and the equipment on the device is controlled by the provided controller, and the staff moves the position of the device by pushing the push rod and with the cooperation of several self-locking wheels.

[0013] Advantages of the utility model:

[0014] 1. The utility model realizes the rotation of the angle of the fixed block outside the infusion tube through the synchronous operation of two electric telescopic rods, and further realizes the rotation of the angle of the first connecting tube and the second connecting tube. At the same time, a plurality of hydraulic cylinders are synchronously operated to adjust the spraying position of the first connecting tube and the second connecting tube, thereby maintaining the concrete at different positions, thereby improving the practicality of the device.

[0015] 2. The utility model mixes the curing agent and water inside the mixing box by rotating the mixing blades, thereby improving the curing effect of the concrete. At the same time, the arc plate is pulled to move the insertion rod out of the interior of the box cover, and the mixing box and the box cover are disassembled, further facilitating the cleaning of the interior of the mixing box. Description of the drawings:

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 This is a structural schematic diagram of a concrete maintenance device for building construction according to an embodiment of the utility model;

[0018] Figure 2 A schematic diagram of a side cross-sectional structure of a concrete maintenance device for construction according to an embodiment of the utility model;

[0019] Figure 3 A concrete maintenance device for construction in accordance with an embodiment of the utility model Figure 2 Middle A is a schematic diagram of a partially enlarged structure;

[0020] Figure 4 It is a front cross-sectional structural schematic diagram of a concrete maintenance device for building construction according to an embodiment of the utility model;

[0021] Figure 5 This is a partial structural schematic diagram of a concrete maintenance device for building construction according to an embodiment of the utility model;

[0022] Figure 6 This is an exploded view of a mixing structure of a concrete maintenance device for construction according to an embodiment of the utility model.

[0023] In the figure: 1. base; 2. mixing box; 3. infusion tube; 4. fixing block; 5. fixing tube; 6. valve; 7. first connecting tube; 8. second connecting tube; 9. first flange; 10. fixing bolt; 11. supporting block; 12. electric telescopic rod; 13. first auxiliary block; 14. connecting plate; 15. second auxiliary block; 16. guide rod; 17. auxiliary plate; 18. box cover; 19. limiting block; 20. mounting block; 21. arc plate; 22. reset spring; 23. T-shaped slide bar; 24. plug rod; 25. servo motor; 26. stirring rod; 27. stirring blade; 28. fixing plate; 29. ​​base; 30. support leg; 31. hydraulic cylinder; 32. fixing frame; 33. protective plate; 34. push rod; 35. controller. Specific implementation method:

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figures 1 to 6 The utility model provides a technical solution: a concrete maintenance device for construction, comprising a base 1, a mixing box 2 is arranged on the top of the base 1, the mixing box 2 is inserted into the interior of the base 1 and fixedly connected thereto, an adjusting structure is arranged on the mixing box 2, an infusion tube 3 is arranged below the base 1, the infusion tube 3 penetrates the base 1 and is fixedly connected thereto, the infusion tube 3 is inserted into the interior of the mixing box 2 and communicates therewith, an auxiliary plate 17 is arranged below the base 1, support blocks 11 are fixedly installed on both sides of the top of the auxiliary plate 17, the two support blocks 11 are fixedly connected to the base 1, a fixed block 4 is slidably connected to the top of the auxiliary plate 17, a fixed pipe 5 is arranged inside the fixed block 4, the fixed pipe 5 penetrates the fixed block 4 and is fixedly connected thereto, the infusion tube 3 is inserted into the interior of the fixed block 4 and is rotatably connected thereto, a first connecting pipe 7 and a second connecting pipe 8 are respectively arranged on the corresponding two sides of the fixed pipe 5, a nozzle is fixedly installed on the side away from each other of the first connecting pipe 7 and the second connecting pipe 8, and an auxiliary structure is arranged on the two supporting blocks 11.

[0026] The auxiliary structure includes an electric telescopic rod 12, which is inserted into the interior of the support block 11 and fixedly connected thereto, and a first auxiliary block 13 is fixedly installed at the output end of the electric telescopic rod 12, and a connecting plate 14 is rotatably connected to the interior of the first auxiliary block 13 through a rotating shaft, and a second auxiliary block 15 is rotatably connected to the side of the connecting plate 14 away from the first auxiliary block 13 through a rotating shaft, and the second auxiliary block 15 is inserted into the interior of the fixed block 4 and slidably connected thereto, and a guide rod 16 is arranged inside the second auxiliary block 15, and the guide rod 16 passes through the second auxiliary block 15 and is slidably connected thereto, and the guide rod 16 is fixedly connected to the fixed block 4, and the two electric telescopic rods 12 are synchronously operated to make the two first auxiliary blocks 13 approach each other, and further cooperate with the connecting plate 14 to make the second auxiliary block 15 inside the fixed block 4 move laterally on the outside of the guide rod 16, thereby realizing the rotation of the angle of the fixed block 4 outside the infusion tube 3, and further realizing the rotation of the angle of the first connecting tube 7 and the second connecting tube 8.

[0027] Valves 6 are provided on the outer side of the fixed pipe 5 and on the corresponding two sides of the fixed block 4. A first flange 9 is fixedly installed on the side where the first connecting pipe 7 and the second connecting pipe 8 are close to each other, and a second flange cooperating with the two first flanges 9 is fixedly installed on the outer side of the fixed pipe 5. A plurality of fixing bolts 10 are fixedly installed on the side of the two first flanges 9 away from the fixed block 4. The plurality of fixing bolts 10 pass through the two first flanges 9 and the second flange and are threadedly connected thereto. The first connecting pipe 7 and the second connecting pipe 8 are matched with the fixing bolts 10 through the first flange 9 and the second flange, so as to realize the fixed connection between the first connecting pipe 7 and the second connecting pipe 8 and the fixed pipe 5, which further facilitates the replacement of the connecting pipe according to the spraying needs, and further controls the output of the liquid by the provided valve 6.

[0028] Bases 29 are fixedly installed at the four corners of the bottom of the base 1, and legs 30 are provided at the bottoms of several bases 29. Hydraulic cylinders 31 are embedded on the tops of several legs 30. The output end of the hydraulic cylinder 31 is fixedly connected to the base 29, and fixed frames 32 are fixedly installed on the outer sides of several bases 29. The legs 30 are inserted into the interior of the fixed frames 32 and slidably connected thereto. The several hydraulic cylinders 31 are synchronously operated to make the several bases 29 move longitudinally, and further adjust the height of the base 1, thereby adjusting the height of the first connecting pipe 7 and the second connecting pipe 8, and adjusting the spraying position. At the same time, the fixed frame 32 is slidably connected to the legs 30, so that the base 1 is more stable when moving longitudinally.

[0029] A box cover 18 is provided on the top of the mixing box 2, and the mixing box 2 is inserted into the interior of the box cover 18 and is slidably connected thereto. Two limit blocks 19 are fixedly installed on the bottom of the box cover 18, and the two limit blocks 19 are both inserted into the interior of the mixing box 2 and are slidably connected thereto. A servo motor 25 is fixedly installed inside the box cover 18, and a stirring rod 26 is fixedly installed on the output end of the servo motor 25. The stirring rod 26 passes through the bottom of the box cover 18 and is slidably connected thereto. A plurality of fixed plates 28 are provided on the outside of the stirring rod 26, and a plurality of stirring blades 27 are fixedly installed on one side of the plurality of fixed plates 28 close to the stirring rod 26. The plurality of stirring blades 27 are fixedly connected to the stirring rod 26, and the plurality of fixed plates 28 are slidably connected to the mixing box 2. The stirring blades 27 and the fixed plates 28 on the outside of the stirring rod 26 are driven by the provided servo motor 25 to rotate, and the curing agent and water are mixed by the provided stirring blades 27, and further contact with the inner wall of the mixing box 2 through the provided fixed plates 28, so as to facilitate the scraping of the material on the inner wall of the mixing box 2, thereby reducing the possibility of waste of resources.

[0030] Two mounting blocks 20 are fixedly installed on the outer side of the mixing box 2, and the two mounting blocks 20 are provided with an arc plate 21 on one side close to the box cover 18, and the arc plate 21 is slidably connected to the mounting block 20, and the two arc plates 21 are fixedly installed with a T-shaped slide bar 23 on the side away from the box cover 18, and the T-shaped slide bar 23 is inserted into the interior of the mounting block 20 and slidably connected thereto. Two return springs 22 are fixedly installed on the side of the two arc plates 21 away from the box cover 18 and on the corresponding sides of the T-shaped slide bar 23, and one end of several return springs 22 away from the arc plate 21 is fixedly connected to the mounting block 20, and two plug rods 24 are fixedly installed on the side of the two arc plates 21 close to the box cover 18, and several plug rods 24 are inserted into the interior of the box cover 18 and slidably connected thereto. The plug rods 24 are moved out of the interior of the box cover 18 by pulling the arc plate 21, and the connection between the mixing box 2 and the box cover 18 is released by moving the box cover 18 upward, which further facilitates the cleaning of the interior of the mixing box 2.

[0031] A protective plate 33 is fixedly installed on one side of the base 1, and a push rod 34 is fixedly installed on the side of the protective plate 33 away from the base 1. A controller 35 is embedded on the top of the push rod 34. The controller 35 is electrically connected to the valve 6, the electric telescopic rod 12, the servo motor 25 and the hydraulic cylinder 31. A transparent window is provided on the mixing box 2, and self-locking wheels are fixedly installed on the bottom of the legs 30. The protective plate 33 is provided to reduce the possibility of liquid splashing onto the staff during the spraying operation, and the equipment on the device is controlled by the controller 35. The staff moves the position of the device by pushing the push rod 34 and with the cooperation of the self-locking wheels.

[0032] In summary, when the concrete maintenance device for construction is used, the staff moves the position of the device by pushing the push rod 34 and with the cooperation of a plurality of self-locking wheels. At the same time, the self-locking of the self-locking wheels makes the device more stable when placed. The feed port opened on the box cover 18 is convenient for conveying curing agent and water into the mixing box 2, and the stirring blades 27 and the fixed plate 28 on the outside of the stirring rod 26 are driven by the servo motor 25 to rotate. The curing agent and water are mixed by the stirring blades 27, and further contact with the inner wall of the mixing box 2 through the fixed plate 28, so as to facilitate scraping the material on the inner wall of the mixing box 2, thereby reducing the possibility of waste of resources. At the same time, the transparent window provided on the mixing box 2 is convenient for observing the liquid level inside the mixing box 2.

[0033] A booster pump connected to the infusion tube 3 is provided inside the mixing box 2, and the booster pump is controlled by the controller 35, so as to facilitate the transportation of the mixed liquid to the inside of the fixed tube 5. At the same time, the valve 6 is cooperated to make the liquid sprayed through the nozzles provided on one side of the first connecting tube 7 and the second connecting tube 8. At the same time, the first connecting tube 7 and the second connecting tube 8 are cooperated with the fixing bolts 10 through the first flange 9 to realize the fixed connection between the first connecting tube 7 and the second connecting tube 8 and the fixed tube 5, which further facilitates the replacement of the connecting tube according to the spraying demand, and further controls the output of the liquid by the valve 6, thereby improving the applicability of the device. At the same time, the arc plate 21 is pulled to move the insertion rod 24 out of the box cover 18, and the connection between the mixing box 2 and the box cover 18 is released by moving the box cover 18 upward, which further facilitates the cleaning of the inside of the mixing box 2.

[0034] By means of the synchronous operation of the two electric telescopic rods 12, the two first auxiliary blocks 13 are brought close to each other, and further by means of the connection plate 14, the second auxiliary block 15 inside the fixed block 4 is moved laterally outside the guide rod 16, so that the angle of the fixed block 4 outside the infusion tube 3 is rotated, and the angle of the first connecting pipe 7 and the second connecting pipe 8 is further rotated. At the same time, by means of the synchronous operation of the plurality of hydraulic cylinders 31, the plurality of bases 29 are moved longitudinally, and the height of the base 1 is further adjusted, so that the spraying position of the first connecting pipe 7 and the second connecting pipe 8 is adjusted, and then the concrete is maintained at different positions, which reduces the physical labor of the construction workers, brings convenience to the maintenance of the concrete, and improves the practicality of the device. At the same time, the device is provided with a heat dissipation hole coordinated with the servo motor 25 to prevent it from being damaged due to the failure of heat dissipation during operation as much as possible.

[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A concrete maintenance device for construction, comprising a base (1), characterized in that: A stirring box (2) is arranged on the top of the base (1), the stirring box (2) is inserted into the inside of the base (1) and is fixedly connected thereto, an adjustment structure is arranged on the stirring box (2), an infusion tube (3) is arranged below the base (1), the infusion tube (3) passes through the base (1) and is fixedly connected thereto, the infusion tube (3) is inserted into the inside of the stirring box (2) and is in communication therewith, an auxiliary plate (17) is arranged below the base (1), support blocks (11) are fixedly mounted on both sides of the top of the auxiliary plate (17), and the two support blocks (11) are connected to the base (1) fixed connection, the top of the auxiliary plate (17) is slidably connected to a fixed block (4), a fixed tube (5) is arranged inside the fixed block (4), the fixed tube (5) passes through the fixed block (4) and is fixedly connected thereto, the infusion tube (3) is inserted into the fixed block (4) and is rotatably connected thereto, a first connecting tube (7) and a second connecting tube (8) are respectively arranged on the corresponding two sides of the fixed tube (5), a nozzle is fixedly installed on the side of the first connecting tube (7) and the second connecting tube (8) away from each other, and auxiliary structures are arranged on the two support blocks (11).

2. A concrete maintenance device for construction according to claim 1, characterized in that: The auxiliary structure comprises an electric telescopic rod (12), the electric telescopic rod (12) is inserted into the interior of a supporting block (11) and fixedly connected thereto, a first auxiliary block (13) is fixedly mounted on the output end of the electric telescopic rod (12), a connecting plate (14) is rotatably connected to the interior of the first auxiliary block (13) via a rotating shaft, a side of the connecting plate (14) away from the first auxiliary block (13) is rotatably connected to a second auxiliary block (15) via a rotating shaft, the second auxiliary block (15) is inserted into the interior of a fixed block (4) and slidably connected thereto, a guide rod (16) is arranged inside the second auxiliary block (15), the guide rod (16) passes through the second auxiliary block (15) and is slidably connected thereto, and the guide rod (16) is fixedly connected to the fixed block (4).

3. A concrete maintenance device for construction according to claim 1, characterized in that: Valves (6) are provided on the outer side of the fixed pipe (5) and on the corresponding two sides of the fixed block (4); a first flange (9) is fixedly installed on the side where the first connecting pipe (7) and the second connecting pipe (8) are close to each other; a second flange matching the two first flanges (9) is fixedly installed on the outer side of the fixed pipe (5); a plurality of fixing bolts (10) are fixedly installed on the side where the two first flanges (9) are away from the fixed block (4); and the plurality of fixing bolts (10) pass through the two first flanges (9) and the second flange and are threadedly connected thereto.

4. A concrete maintenance device for construction according to claim 1, characterized in that: Bases (29) are fixedly installed at the four corners of the bottom of the base (1), and legs (30) are arranged at the bottom of several of the bases (29). A hydraulic cylinder (31) is embedded on the top of several of the legs (30), and the output end of the hydraulic cylinder (31) is fixedly connected to the base (29). A fixing frame (32) is fixedly installed on the outer side of several of the bases (29), and the legs (30) are inserted into the inside of the fixing frame (32) and are slidably connected thereto.

5. A concrete maintenance device for construction according to claim 1, characterized in that: A box cover (18) is arranged on the top of the mixing box (2), the mixing box (2) is inserted into the inside of the box cover (18) and is slidably connected thereto, two limit blocks (19) are fixedly installed on the bottom of the box cover (18), the two limit blocks (19) are both inserted into the inside of the mixing box (2) and are slidably connected thereto, a servo motor (25) is fixedly installed inside the box cover (18), a stirring rod (26) is fixedly installed on the output end of the servo motor (25), the stirring rod (26) passes through the bottom of the box cover (18) and is slidably connected thereto, a plurality of fixed plates (28) are arranged on the outside of the stirring rod (26), a plurality of stirring blades (27) are fixedly installed on one side of the plurality of fixed plates (28) close to the stirring rod (26), the plurality of stirring blades (27) are fixedly connected to the stirring rod (26), and the plurality of fixed plates (28) are slidably connected to the mixing box (2).

6. A concrete maintenance device for construction according to claim 5, characterized in that: Two mounting blocks (20) are fixedly mounted on the outer side of the mixing box (2), and an arc-shaped plate (21) is provided on one side of the two mounting blocks (20) close to the box cover (18), and the arc-shaped plate (21) is slidably connected to the mounting block (20). A T-shaped sliding bar (23) is fixedly mounted on one side of the two arc-shaped plates (21) away from the box cover (18), and the T-shaped sliding bar (23) is inserted into the interior of the mounting block (20) and slidably connected thereto. Two return springs (22) are fixedly mounted on one side of the two arc-shaped plates (21) away from the box cover (18) and on the corresponding two sides of the T-shaped sliding bar (23), and one end of a plurality of the return springs (22) away from the arc-shaped plates (21) is fixedly connected to the mounting block (20), and two insertion rods (24) are fixedly mounted on one side of the two arc-shaped plates (21) close to the box cover (18), and a plurality of the insertion rods (24) are inserted into the interior of the box cover (18) and slidably connected thereto.

7. A concrete maintenance device for construction according to claim 4, characterized in that: A protective plate (33) is fixedly mounted on one side of the base (1), a push rod (34) is fixedly mounted on the side of the protective plate (33) away from the base (1), a controller (35) is embedded on the top of the push rod (34), and the controller (35) is electrically connected to the valve (6), the electric telescopic rod (12), the servo motor (25) and the hydraulic cylinder (31), a transparent window is provided on the mixing box (2), and self-locking wheels are fixedly mounted on the bottoms of the plurality of legs (30).

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