Concrete curing device for concrete preparation

By designing linkage components in the concrete curing device to drive the spray box to rotate, the angle adjustment of the nozzle is achieved, the problem of limited spray range is solved, the spray efficiency is improved, and the liquid level is timely replenished through the liquid level sensor, which improves the overall maintenance effect .

CN222115488UActive Publication Date: 2024-12-06CHINA RAILWAY CONSTRUCTION ENGINEERING GROUP +1
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Patent Information

Application Number
CN202420713356.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-09
Publication Date
2024-12-06
Estimated Expiration
2034-04-09

AI Technical Summary

Technical Problem

The spray angle of the existing concrete curing device is fixed, resulting in a limited spray range and affecting the spraying efficiency.

Method used

A concrete curing device including a roof plate, a spray seat, a first swing shaft, a second swing shaft, a spray box, a stirring conveying assembly and a linkage assembly is designed. Through the linkage assembly, the spray box is driven to rotate within a certain angle range, and the spray head is reciprocated. Rotate, increase the spray range, and be equipped with a level sensor and buzzer to remind you of insufficient liquid level.

Benefits of technology

The spraying range is effectively expanded, the spraying and maintenance efficiency is improved, and the maintenance liquid is promptly reminded and supplemented with the liquid level sensor to avoid the problem of insufficient liquid level.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of building maintenance equipment, in particular to a concrete maintenance device for concrete preparation, which comprises a top plate, a spraying seat, a first swing shaft, a second swing shaft, a spraying box, a stirring and conveying assembly, a linkage assembly and two walking plates, a walking shaft is rotatably mounted on the walking seat, walking wheels are arranged on the walking shaft, the spraying seat is mounted at the bottom of the top plate, the first swing shaft and the second swing shaft are rotatably mounted on the spraying seat respectively, the two sides of the spraying box are connected with the first swing shaft and the second swing shaft respectively, and a plurality of sprayers communicated with the interior of the spraying box are arranged at the bottom of the spraying box. The linkage assembly drives the spraying box to rotate in a reciprocating mode within a certain angle range, the spraying box drives the spraying head to rotate in a reciprocating mode to form swing, and the spraying range of the spraying head is enlarged.
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Description

Technical Field

[0001] The utility model relates to the technical field of building maintenance equipment, in particular to a concrete maintenance device for concrete preparation. Background Art

[0002] Concrete is a commonly used building material in construction. By pouring concrete inside the module, the rapid construction of the building can be achieved. Concrete needs a period of time to solidify during the pouring process. Curing the concrete during the solidification process can reduce the cracking of the concrete and increase the structural strength of the concrete.

[0003] The Chinese utility model patent with the announcement number CN219793807U discloses a concrete curing device for concrete preparation, including two support plates, the middle part of the upper end surface of the two support plates is provided with a hydraulic telescopic rod, and the upper ends of the two hydraulic telescopic rods are fixedly connected with a top plate. In the utility model, an automatic spraying structure is provided, and manual spraying is not required. A water tank is provided on one side of the upper end surface of the top plate, and a water pump is connected to one end of the water tank. The lower end of the water pump is connected to multiple nozzles through a connecting pipe. When using it, the person only needs to place the two support plates of the device on both sides of the road, and control the water pump through the control panel so that the nozzle sprays the road surface. The person only needs to use the self-locking universal wheel to drive the device to move. Through this structural design, manual spraying is not required, which greatly improves the work efficiency and is suitable for larger areas of concrete pouring ground.

[0004] However, the above patent still has the following shortcomings in actual use: the spraying angle of the nozzle of the patent is fixed vertically downward, and the maintenance solution is sprayed onto the road surface through the nozzle for spray maintenance. Since the spraying angle of the nozzle is fixed, the spraying range is also limited, affecting the efficiency of spray maintenance. Utility Model Content

[0005] The utility model aims to provide a concrete curing device for concrete preparation, so as to solve the problem in the above background technology that the spraying angle of the nozzle is fixed, thereby limiting the spraying range and affecting the spraying curing efficiency.

[0006] The technical solution of the utility model is:

[0007] A concrete curing device for concrete preparation comprises a top plate, a spraying seat, a first swing shaft, a second swing shaft, a spraying box, a stirring and conveying assembly, a linkage assembly and two walking plates, wherein the two walking plates are symmetrically arranged below the top plate, the top of each walking plate is provided with two connecting columns connected to the bottom of the top plate, the bottom of each walking plate is provided with two walking seats at intervals, the walking seat is rotatably mounted with a walking shaft, and the walking shaft is provided with a walking wheel, the spraying seat is mounted at the bottom of the top plate, the first swing shaft and the second swing shaft are rotatably mounted on the spraying seat respectively, and one end of the first swing shaft extends to the outside of the spraying seat, the two sides of the spraying box are connected to the first swing shaft and the second swing shaft respectively, the bottom of the spraying box is provided with a plurality of nozzles connected to the inside thereof, the stirring and conveying assembly is mounted on the top of the top plate, and one end of the stirring and conveying assembly is connected to the inside of the spraying box, the linkage assembly is mounted on the top of one of the walking plates, and the top end of the linkage assembly is connected to one end of the first swing shaft extending to the outside of the spraying seat, and the bottom end of the linkage assembly is connected to the walking shaft on one of the walking seats.

[0008] Furthermore, the linkage assembly includes a bracket, a cross rail, a sliding block, a rack, a gear, a connecting frame and a driving component, the bracket is installed on the top of the walking board, the cross rail is horizontally arranged on the top of the bracket, the sliding block is slidably installed on the cross rail, the rack is horizontally arranged on the top of the sliding block, the gear is installed on one end of the first swing shaft extending to the outside of the spray seat, and the gear is meshed with the rack, the connecting frame is installed on the outer wall of the sliding block, the driving component is installed on the top of the walking board, and one end of the driving component is connected to the connecting frame, and the bottom end of the driving component is connected to the walking shaft on one of the walking seats.

[0009] Furthermore, the driving component includes an L-shaped plate, a pushing rod, a pushing block, a pushing seat, a pushing wheel, a spring, a driving seat, a driving shaft, a driving cam and a driving member, the L-shaped plate is installed on the top of the walking plate, the pushing rod is slidably installed on the L-shaped plate, and the tail end of the pushing rod is connected to the connecting frame, the pushing block is installed on the head end of the pushing rod, the pushing seat is installed on the outer wall of the pushing block, the pushing wheel is rotatably installed on the pushing seat, the spring is sleeved on the outside of the pushing rod, and the two ends of the spring are respectively connected to the L-shaped plate and the pushing block, the driving seat is installed on the top of the walking plate, the driving shaft is rotatably installed on the top of the driving seat, and one end of the driving shaft extends to the outside of the driving seat, the driving cam is installed on the driving shaft, and one end of the driving cam is in conflict with the driving wheel, the driving member is installed on one end of the driving shaft extending to the outside of the driving seat, and the bottom end of the driving member is connected to the walking shaft on one of the walking seats.

[0010] Furthermore, the driving member includes a driving sprocket, a driven sprocket and a chain, the driving sprocket is installed on one end of the driving shaft extending to the outside of the driving seat, the driven sprocket is installed on the end of the traveling shaft on one of the traveling seats, and the chain is sleeved on the outside of the driving sprocket and the driven sprocket.

[0011] Furthermore, the stirring and conveying assembly includes a tank body, a stirring shaft, a stirring motor, an addition pipe, a pump body, a delivery pipe and a hose. The tank body is vertically arranged on the top of the top plate, the stirring shaft is rotatably installed in the tank body, a plurality of stirring plates are provided on the outer wall of the stirring shaft, the stirring motor is vertically arranged on the top of the tank body, and the output shaft of the stirring motor is connected to the stirring shaft, the addition pipe is vertically arranged on the top of the tank body, and the bottom end of the addition pipe is connected to the interior of the tank body, the pump body is horizontally arranged on the top of the top plate, the two ends of the delivery pipe are respectively connected to the input end of the pump body and the internal bottom end of the tank body, and the two ends of the hose are respectively connected to the output end of the pump body and the interior of the spray box.

[0012] Furthermore, a liquid level sensor is provided at the inner bottom end of the tank body, a buzzer is provided at the top of the top plate, and the liquid level sensor is electrically connected to the buzzer.

[0013] The utility model provides a concrete curing device for concrete preparation through improvement, which has the following improvements and advantages compared with the prior art:

[0014] First: the utility model drives the walking plate to move on the ground by pushing the top plate using the connecting column, and all the walking shafts and walking wheels rotate synchronously. One of the walking shafts drives the linkage component to work, and the linkage component drives the first swing shaft to reciprocate within a certain angle range, and then the first swing shaft, the second swing shaft and the spray box reciprocate synchronously within a certain angle range. The spray box drives the spray head to realize reciprocating rotation to form a swing, thereby increasing the spraying range of the spray head without affecting the spraying and maintenance efficiency.

[0015] Second: The liquid level sensor of the utility model is used to sense the liquid level of the curing liquid in the tank. When the liquid level is lower than the set value, the liquid level sensor transmits the signal of insufficient curing liquid to the buzzer. The buzzer receives the signal and emits an alarm to remind the staff to add curing liquid to the tank in time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

[0017] Figure 1 This is a three-dimensional structure diagram of the utility model. Figure 1 ;

[0018] Figure 2 This is a three-dimensional structure diagram of the utility model. Figure 2 ;

[0019] Figure 3 It is a partial cross-sectional view of the utility model;

[0020] Figure 4 This is a three-dimensional structure diagram of the linkage assembly of the utility model. Figure 1 ;

[0021] Figure 5 This is a three-dimensional structure diagram of the linkage assembly of the utility model. Figure 2 ;

[0022] Figure 6 This is a three-dimensional structure diagram of the linkage assembly of the utility model. Figure 3 .

[0023] Description of reference numerals:

[0024] Top plate 1, spray seat 2, first swing shaft 21, second swing shaft 22, spray box 23, spray head 24, stirring and conveying component 3, tank body 31, stirring shaft 32, stirring motor 33, adding pipe 34, pump body 35, conveying pipe 36, hose 37, stirring piece 38, linkage component 4, bracket 41, cross rail 42, sliding block 43, rack 44, gear 45, connecting frame 46, driving component 47, L-shaped plate 471, pushing rod 472, pushing block 473, pushing seat 474, pushing wheel 475, spring 476, driving seat 477, driving shaft 478, driving cam 479, driving member 48, driving sprocket 481, driven sprocket 482, chain 483, walking plate 5, connecting column 6, walking seat 7, walking shaft 71, walking wheel 72, liquid level sensor 8, buzzer 9. DETAILED DESCRIPTION

[0025] The utility model is described in detail below, and the technical solutions in the embodiments of the utility model are clearly and completely described. 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.

[0026] The utility model provides a concrete curing device for concrete preparation through improvement, such as Figure 1-Figure 6As shown, it includes a top plate 1, a spray seat 2, a first swing shaft 21, a second swing shaft 22, a spray box 23, a stirring and conveying assembly 3, a linkage assembly 4 and two walking boards 5, the two walking boards 5 are symmetrically arranged below the top plate 1, the top of each walking board 5 is provided with two connecting columns 6 connected to the bottom of the top plate 1, and the bottom of each walking board 5 is provided with two walking seats 7 at intervals, and a walking shaft 71 is rotatably mounted on the walking seat 7, and a walking wheel 72 is provided on the walking shaft 71, the spray seat 2 is installed at the bottom of the top plate 1, the first swing shaft 21 and the second swing shaft 22 are respectively rotatably mounted on the spray seat 2, and one end of the first swing shaft 21 extends to the outside of the spray seat 2, the two sides of the spray box 23 are respectively connected to the first swing shaft 21 and the second swing shaft 22, and the bottom of the spray box 23 is provided with a plurality of nozzles 24 connected to the inside thereof, the stirring and conveying assembly 3 is installed on the top of the top plate 1, and one end of the stirring and conveying assembly 3 is connected to the spray box 23. The interior of the box 23 is connected, the linkage component 4 is installed on the top of one of the walking plates 5, and the top of the linkage component 4 is connected to one end of the first swing shaft 21 extending to the outside of the spray seat 2, and the bottom end of the linkage component 4 is connected to the walking shaft 71 on one of the walking seats 7; by pushing the top plate 1 and using the connecting column 6 to drive the walking plate 5 to move on the ground, all the walking shafts 71 and the walking wheels 72 rotate synchronously, one of the walking shafts 71 drives the linkage component 4 to work, the linkage component 4 drives the first swing shaft 21 to reciprocate within a certain angle range, and then the first swing shaft 21, the second swing shaft 22 and the spray box 23 reciprocate synchronously within a certain angle range, the spray box 23 drives the spray head 24 to realize reciprocating rotation to form a swing, thereby increasing the spraying range of the spray head 24, and will not affect the spraying and maintenance efficiency. At the same time, the stirring and conveying component 3 works to stir and convey the maintenance liquid into the spray box 23, and the spray head 24 sprays the maintenance liquid in the spray box 23 onto the road surface for concrete maintenance operations.

[0027] Specifically, the linkage assembly 4 includes a bracket 41, a cross rail 42, a sliding block 43, a rack 44, a gear 45, a connecting frame 46 and a driving component 47, wherein the bracket 41 is mounted on the top of the walking board 5, the cross rail 42 is horizontally arranged on the top of the bracket 41, the sliding block 43 is slidably mounted on the cross rail 42, the rack 44 is horizontally arranged on the top of the sliding block 43, the gear 45 is mounted on one end of the first swing shaft 21 extending to the outside of the spray seat 2, and the gear 45 is meshed with the rack 44, the connecting frame 46 is mounted on the outer wall of the sliding block 43, the driving component 47 is mounted on the top of the walking board 5, and the driving component 47 is mounted on the top of the walking board 5. One end of the moving component 47 is connected to the connecting frame 46, and the bottom end of the driving component 47 is connected to the walking shaft 71 on one of the walking seats 7; the driving component 47 is driven to work by the rotation of the walking shaft 71, and the driving component 47 drives the connecting frame 46 to realize reciprocating horizontal movement for a certain distance, and then the connecting frame 46 drives the sliding block 43 to slide reciprocatingly horizontally on the cross rail 42 for a certain distance, and the sliding block 43 uses the rack 44 to drive the gear 45 to realize reciprocating rotation within a certain angle range, and then the gear 45 finally drives the first swing shaft 21 to reciprocate within a certain angle range, so as to facilitate the subsequent nozzle 24 to form a swinging operation and increase the spraying range of the nozzle 24.

[0028] Specifically, the driving component 47 includes an L-shaped plate 471, a pushing rod 472, a pushing block 473, a pushing seat 474, a pushing wheel 475, a spring 476, a driving seat 477, a driving shaft 478, a driving cam 479 and a driving member 48, wherein the L-shaped plate 471 is installed on the top of the walking plate 5, the pushing rod 472 is slidably installed on the L-shaped plate 471, and the tail end of the pushing rod 472 is connected to the connecting frame 46, the pushing block 473 is installed on the head end of the pushing rod 472, the pushing seat 474 is installed on the outer wall of the pushing block 473, the pushing wheel 475 is rotatably installed on the pushing seat 474, the spring 476 is sleeved on the outside of the pushing rod 472, and the two ends of the spring 476 are respectively connected to the L-shaped plate 471 and the pushing block 473, and the driving seat 47 7 is installed on the top of the walking plate 5, the driving shaft 478 is rotatably installed on the top of the driving seat 477, and one end of the driving shaft 478 extends to the outside of the driving seat 477, the driving cam 479 is installed on the driving shaft 478, and one end of the driving cam 479 is in conflict with the driving wheel 475, the driving member 48 is installed on the end of the driving shaft 478 extending to the outside of the driving seat 477, and the bottom end of the driving member 48 is connected to the walking shaft 71 on one of the walking seats 7; the walking shaft 71 drives the driving member 48 to work, the driving member 48 drives the driving shaft 478 and the driving cam 479 to rotate, and the driving cam 479 uses the driving wheel 475 to drive the pushing block 473 and the pushing rod 472 to move reciprocatingly horizontally, and then the pushing rod 472 drives the connecting frame 46 to achieve reciprocating horizontal movement for a certain distance.

[0029] Specifically, the driving member 48 includes a driving sprocket 481, a driven sprocket 482 and a chain 483. The driving sprocket 481 is installed on one end of the driving shaft 478 extending to the outside of the driving seat 477, the driven sprocket 482 is installed on the end of the walking shaft 71 on one of the walking seats 7, and the chain 483 is sleeved on the outside of the driving sprocket 481 and the driven sprocket 482; the walking shaft 71 utilizes the driven sprocket 482 and the chain 483 to drive the driving sprocket 481 to rotate, and the driving sprocket 481 drives the driving shaft 478 to realize rotation.

[0030] Specifically, the stirring and conveying assembly 3 includes a tank body 31, a stirring shaft 32, a stirring motor 33, an addition pipe 34, a pump body 35, a delivery pipe 36 and a hose 37. The tank body 31 is vertically arranged on the top of the top plate 1, and the stirring shaft 32 is rotatably installed in the tank body 31. A plurality of stirring blades 38 are arranged on the outer wall of the stirring shaft 32. The stirring motor 33 is vertically arranged on the top of the tank body 31, and the output shaft of the stirring motor 33 is connected to the stirring shaft 32. The addition pipe 34 is vertically arranged on the top of the tank body 31, and the bottom end of the addition pipe 34 is connected to the inside of the tank body 31. The pump body 35 is horizontally arranged on the top plate 1. At the top, the two ends of the delivery pipe 36 are respectively connected to the input end of the pump body 35 and the inner bottom end of the tank body 31, and the two ends of the hose 37 are respectively connected to the output end of the pump body 35 and the interior of the spray box 23; by using the adding pipe 34 to add curing liquid into the tank body 31, and then the stirring motor 33 drives the stirring shaft 32 and the plurality of stirring blades 38 to rotate to stir and mix the curing liquid in the tank body 31, and then the pump body 35 works to extract the mixed curing liquid in the tank body 31 through the delivery pipe 36 and the hose 37 into the spray box 23, so as to achieve the purpose of conveying curing liquid to the spray box 23, and facilitate the continuous spraying of curing liquid from the nozzle 24.

[0031] Specifically, a liquid level sensor 8 is provided at the inner bottom end of the tank body 31, and a buzzer 9 is provided at the top of the top plate 1, and the liquid level sensor 8 is electrically connected to the buzzer 9; the liquid level sensor 8 is used to sense the liquid level of the curing liquid in the tank body 31. When the liquid level is lower than the set value, the liquid level sensor 8 transmits a signal of insufficient curing liquid to the buzzer 9, and the buzzer 9 receives the signal and sends an alarm sound to remind the staff to replenish the curing liquid in the tank body 31 in time.

[0032] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A concrete curing device for concrete preparation, characterized in that: The invention comprises a top plate (1), a spraying seat (2), a first swing shaft (21), a second swing shaft (22), a spraying box (23), a stirring and conveying assembly (3), a linkage assembly (4) and two walking plates (5), wherein the two walking plates (5) are symmetrically arranged below the top plate (1), the top of each walking plate (5) is provided with two connecting columns (6) connected to the bottom of the top plate (1), the bottom of each walking plate (5) is provided with two walking seats (7) at intervals, the walking seat (7) is rotatably mounted with a walking shaft (71), the walking shaft (71) is provided with a walking wheel (72), the spraying seat (2) is mounted at the bottom of the top plate (1), the first swing shaft (21) and the second swing shaft (22) are rotatably mounted on the spraying seat (2), and the first swing shaft (21) and the second swing shaft (22) are rotatably mounted on the spraying seat (2). The spray box (23) is mounted on a top plate (1), and one end of the first swing shaft (21) extends to the outside of the spray box (2); the two sides of the spray box (23) are respectively connected to the first swing shaft (21) and the second swing shaft (22); the bottom of the spray box (23) is provided with a plurality of spray heads (24) connected to the inside thereof; the stirring and conveying assembly (3) is mounted on the top of the top plate (1), and one end of the stirring and conveying assembly (3) is connected to the inside of the spray box (23); the linkage assembly (4) is mounted on the top of one of the walking plates (5), and the top end of the linkage assembly (4) is connected to one end of the first swing shaft (21) extending to the outside of the spray box (2); and the bottom end of the linkage assembly (4) is connected to a walking shaft (71) on one of the walking seats (7).

2. A concrete curing device for concrete preparation according to claim 1, characterized in that: The linkage assembly (4) comprises a bracket (41), a cross rail (42), a sliding block (43), a rack (44), a gear (45), a connecting frame (46) and a driving component (47). The bracket (41) is mounted on the top of the walking board (5), the cross rail (42) is horizontally arranged on the top of the bracket (41), the sliding block (43) is slidably mounted on the cross rail (42), the rack (44) is horizontally arranged on the top of the sliding block (43), the gear (45) is mounted on one end of the first swing shaft (21) extending to the outside of the spray seat (2), and the gear (45) is meshed with the rack (44), the connecting frame (46) is mounted on the outer wall of the sliding block (43), the driving component (47) is mounted on the top of the walking board (5), and one end of the driving component (47) is connected to the connecting frame (46), and the bottom end of the driving component (47) is connected to a walking shaft (71) on one of the walking seats (7).

3. A concrete curing device for concrete preparation according to claim 2, characterized in that: The driving component (47) includes an L-shaped plate (471), a pushing rod (472), a pushing block (473), a pushing seat (474), a pushing wheel (475), a spring (476), a driving seat (477), a driving shaft (478), a driving cam (479) and a driving member (48). The L-shaped plate (471) is installed on the top of the walking plate (5), the pushing rod (472) is slidably installed on the L-shaped plate (471), and the tail end of the pushing rod (472) is connected to the connecting frame (46), the pushing block (473) is installed on the head end of the pushing rod (472), the pushing seat (474) is installed on the outer wall of the pushing block (473), the pushing wheel (475) is rotatably installed on the pushing seat (474), and the spring (476) is sleeved on the outside of the pushing rod (472), and the two ends of the spring (476) are respectively connected to the L-shaped plate (471) and the pushing block (473), the driving seat (477) is installed on the top of the walking plate (5), the driving shaft (478) is rotatably installed on the top of the driving seat (477), and one end of the driving shaft (478) extends to the outside of the driving seat (477), the driving cam (479) is installed on the driving shaft (478), and one end of the driving cam (479) is in contact with the pushing wheel (475), the driving member (48) is installed on the end of the driving shaft (478) extending to the outside of the driving seat (477), and the bottom end of the driving member (48) is connected to the walking shaft (71) on one of the walking seats (7).

4. A concrete curing device for concrete preparation according to claim 3, characterized in that: The driving member (48) comprises a driving sprocket (481), a driven sprocket (482) and a chain (483); the driving sprocket (481) is mounted on one end of the driving shaft (478) extending to the outside of the driving seat (477); the driven sprocket (482) is mounted on the end of the traveling shaft (71) on one of the traveling seats (7); and the chain (483) is sleeved on the outside of the driving sprocket (481) and the driven sprocket (482).

5. A concrete curing device for concrete preparation according to claim 1, characterized in that: The stirring and conveying assembly (3) comprises a tank body (31), a stirring shaft (32), a stirring motor (33), an addition pipe (34), a pump body (35), a conveying pipe (36) and a hose (37); the tank body (31) is vertically arranged on the top of the top plate (1); the stirring shaft (32) is rotatably installed in the tank body (31); a plurality of stirring blades (38) are provided on the outer wall of the stirring shaft (32); the stirring motor (33) is vertically arranged on the top of the tank body (31); and the stirring motor (33) is The output shaft of the tank body (3) is connected to the stirring shaft (32), the adding pipe (34) is vertically arranged on the top of the tank body (31), and the bottom end of the adding pipe (34) is connected to the inside of the tank body (31), the pump body (35) is horizontally arranged on the top of the top plate (1), the two ends of the delivery pipe (36) are respectively connected to the input end of the pump body (35) and the bottom end of the tank body (31), and the two ends of the hose (37) are respectively connected to the output end of the pump body (35) and the inside of the spray box (23).

6. A concrete curing device for concrete preparation according to claim 5, characterized in that: A liquid level sensor (8) is provided at the inner bottom end of the tank body (31), and a buzzer (9) is provided at the top of the top plate (1); the liquid level sensor (8) is electrically connected to the buzzer (9).

Citation Information

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