CN212389035U - Intelligent concrete curing machine - Google Patents
Intelligent concrete curing machine Download PDFInfo
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- CN212389035U CN212389035U CN202020947096.3U CN202020947096U CN212389035U CN 212389035 U CN212389035 U CN 212389035U CN 202020947096 U CN202020947096 U CN 202020947096U CN 212389035 U CN212389035 U CN 212389035U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 140
- 238000005507 spraying Methods 0.000 claims abstract description 50
- 238000012423 maintenance Methods 0.000 claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims abstract description 28
- 238000012544 monitoring process Methods 0.000 claims abstract description 12
- 239000007921 spray Substances 0.000 claims description 47
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- 239000000284 extract Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 230000003014 reinforcing effect Effects 0.000 description 10
- 230000003993 interaction Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
An intelligent concrete curing machine comprises a chassis and a shell, wherein the chassis is provided with a control system, an environment monitoring system, a water circulation heating system, a spraying system and a traveling system; the environment monitoring system is connected with the control system and is used for measuring the surface temperature of the concrete wall and the temperature and humidity of the current environment and transmitting the measured data to the control system in real time; the shower height can be adjusted in a flexible way, has solved the not structure maintenance commonality problem of co-altitude, and the maintenance cost of labor is practiced thrift to the maintenance machine adoption full-automatic work mode, and simultaneously, intelligent concrete maintenance machine passes data and target data according to built-in sensor back and contrasts, and controlgear opens and stops and carries out maintenance work, avoids appearing the maintenance blind area that similar artificial experience judged the maintenance effect, and the maintenance effect is better.
Description
The technical field is as follows:
the utility model belongs to construction machinery, what mainly related to is an intelligence concrete curing machine.
Background art:
the main curing modes of the existing vertical concrete wall surface are two main curing modes, namely direct sprinkling type curing, curing with a mold and the like. The direct sprinkling type maintenance needs more manpower cost, and particularly relates to the problems of large wall surface area, large labor intensity of workers, waste of a large amount of water resources and poor maintenance effect caused by the fact that the wall surface area is large at the vertical concrete wall surface part of a partition wall and a side wall in a municipal station or a structure; the concrete is maintained with the formwork, so that the turnover time of the formwork is prolonged, and the engineering cost is increased; the two maintenance modes also have the common defect, the first maintenance effect is poor, whether the maintenance reaches the standard or not needs to be judged by the experience of workers, and a maintenance blind area exists; and secondly, construction and maintenance in winter do not have the water temperature heating function and are not beneficial to concrete maintenance.
The utility model has the following contents:
in order to overcome the defects, the utility model provides an intelligent concrete curing machine.
The utility model provides a technical scheme that its technical problem adopted:
an intelligent concrete curing machine comprises a chassis and a shell, wherein the chassis is provided with a control system, an environment monitoring system, a water circulation heating system, a spraying system and a traveling system;
the environment monitoring system is electrically connected with the control system and is used for measuring the surface temperature of the concrete wall and the temperature and humidity of the current environment and transmitting the measured data to the control system in real time;
the water circulation heating system is electrically connected with the control system and used for storing spray water, heating the spray water and transmitting the liquid level and the water temperature of the spray water to the control system in real time by using the sensor;
the spraying system is connected with the water circulation heating system, is electrically connected with the control system, and extracts spraying water from the water circulation heating system and sprays the spraying water on the longitudinal concrete wall surface under the control of the control system;
the spraying system comprises a spraying pump electrically connected with the control system and a spraying pipe connected with a water outlet of the spraying pump, the spraying pipe is parallel to the wall surface and is longitudinally arranged, a plurality of spraying heads are arranged on the spraying pipe at equal intervals, and a water inlet of the spraying pump is connected into a water tank of the water circulation heating system through a pipeline;
the walking system drives the maintenance machine to move back and forth on the track under the control of the control system.
The environment monitoring system comprises an infrared temperature measuring sensor and a temperature and humidity sensor, and the infrared temperature measuring sensor and the temperature and humidity sensor are respectively and electrically connected with the control system.
The water circulation heating system comprises a water tank and a heater, a cold water outlet pipe at the bottom of the water tank is connected with a water inlet of a circulating pump, a water outlet of the circulating pump is connected with a water inlet of the heater through a pipeline, a water outlet of the heater is connected into the water tank through a hot water inlet pipe, and the heater is electrically connected with the control system.
The water circulation heating system also comprises an upper water level sensor, a lower water level sensor and a water tank temperature sensor which are arranged in the water tank, and the upper water level sensor, the lower water level sensor and the water tank temperature sensor are respectively and electrically connected with the control system.
Still be equipped with angle adjusting device on the shell, can adjust the angle of inclination of shower through angle adjusting device, be equipped with on the shower and can fix on the shower and can follow the reinforced cover that takes off on the shower again, it has two anchor strut that can stretch out and draw back to articulate on the reinforced cover, and the other end of anchor strut is articulated with the shell top respectively, and two anchor struts and reinforced cover constitution triangle trend for fixed shower.
The spray pipe of the spray system consists of a single pipe.
The spray pipe of the spray system is formed by splicing a plurality of single pipes.
The walking system comprises a speed reducer connected with a driving motor and two pulley blocks arranged in front of and behind the lower portion of the chassis, the driving motor is electrically connected with the control system, the pulley blocks comprise a rotating shaft and pulleys at two ends of the rotating shaft, the output end of the speed reducer is connected with a chain wheel on the rotating shaft of the front pulley block through a chain, and the pulleys are arranged on the track.
The rotating shaft is further provided with two bearings, the bearings are fixed on the bearing block, and the bearing block is fixed on the chassis through bolts.
The track is formed by a plurality of track units through splicing, vertical rods are arranged at two ends of the track, the upper portions of the vertical rods are connected with baffles through springs, the baffles correspond to travel switches arranged in front of and behind the shell respectively, and the travel switches are electrically connected with a control system.
Due to the adoption of the technical scheme, the utility model discloses have following superiority:
the utility model provides a pair of intelligence concrete curing machine, the shower height can be adjusted in a flexible way, has solved the not structure maintenance commonality problem of co-altitude, and the curing machine adopts full-automatic mode, practices thrift the maintenance cost of labor, and simultaneously, intelligence concrete curing machine passes data and target data according to built-in sensor and contrasts, and controlgear opens and stops to carry out maintenance work, avoids appearing the maintenance blind area that similar people judged the maintenance effect for experience, and the maintenance effect is better.
Description of the drawings:
fig. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
fig. 3 is a top view of the present invention;
FIG. 4 is a top view of the track;
FIG. 5 is a schematic view of a shower tilt mechanism;
in the figure: 1. a track; 2. a travel switch; 3. a control box; 4. a warning light; 5. a sprocket; 6. a speed reducer; 7. a cold water inlet pipe; 8. a shower pipe; 9. a heater; 10. a spray pump; 11. a circulation pump; 12. a cold water outlet pipe; 13. a water tank; 14. a reinforcing rod; 15. a spray head; 16. an upper water level sensor; 17. a water tank temperature sensor; 18. a lower water level sensor; 19. a pulley; 20. a bearing; 21. a chassis; 22. a housing; 23. a hot water outlet; 24. a cold water inlet; 25. a hot water inlet; 26. a reinforcement rod bolt; 27. a water tank cover; 28. a chain; 29. a temperature and humidity sensor; 30. an infrared temperature measuring sensor; 31. erecting a rod; 32. a spring; 33. a baffle plate; 34. a track unit; 35. a support plate; 36. a chute; 37. a notch; 38. a spray hose; 39. a hot water inlet pipe; 40. reinforcing the sleeve; 41. a support bar; 42. the rod is rotated.
The specific implementation mode is as follows:
the present invention will be explained in more detail by the following examples, which are intended to protect all the changes and improvements within the scope of the present invention, and are not limited to the following examples;
the intelligent concrete curing machine comprises a chassis 21 and a shell 22, wherein the chassis 21 is provided with a control system, an environment monitoring system, a water circulation heating system, a spraying system and a traveling system;
control system includes controller module, power module and human-computer interaction module, and the controller module is used for the data of each system transmission of analysis and assigns the instruction for each system, and power module provides the power for each system, and the human-computer interaction module makes things convenient for operating personnel to assign the instruction for entire system to and the modification to the parameter, what the human-computer interaction was used is the display, and operating personnel can observe current each parameter through the touch-sensitive screen, simultaneously, can also set up the parameter.
Environmental monitoring system connects the electricity with control system, environmental monitoring system includes infrared temperature sensor 30 and temperature and humidity sensor 29, infrared temperature sensor 30 and temperature and humidity sensor 29 set up on the curing machine, one side in the face of the concrete wall, be equipped with the breach on corresponding infrared temperature sensor 30 and temperature and humidity sensor 29's the shell 22, make things convenient for outer temperature sensor 30 and temperature and humidity sensor 29 survey concrete wall surface temperature and current environment's humiture, and transmit the data of survey to control system in real time, control system compares with the data that preset according to the data of gathering, if do not reach the curing standard, will assign corresponding instruction.
The water circulation heating system is electrically connected with the control system and used for storing spray water, heating the spray water and transmitting the liquid level and the water temperature of the spray water to the control system in real time by using the sensor; the water circulation heating system comprises a water tank 13 and a heater 9, a cold water outlet pipe 12 at the bottom of the water tank 13 is connected with a water inlet of a circulating pump 11, a water outlet of the circulating pump 11 is connected with a water inlet of the heater 9 through a pipeline, a water outlet of the heater 9 is connected with a hot water inlet 25 of the water tank 13 through a hot water inlet pipe 39, and the heater 9 is electrically connected with a control system. It should be noted that the concrete has a certain requirement for water temperature during curing, and if the temperature is lower in winter and the temperature of the spray water is lower, the maintenance effect of the concrete is affected, so the spray water needs to be heated, and the spraying work is performed after the preset temperature in the control system is reached.
The water circulation heating system also comprises an upper water level sensor 16, a lower water level sensor 18 and a water tank temperature sensor 17 which are arranged in the water tank 13, wherein the upper water level sensor 16, the lower water level sensor 18 and the water tank temperature sensor 17 are respectively electrically connected with the control system, and the water level sensor 16; 18 is used for monitoring the water level in the water tank 13, once the detected water level is too low or too high, a signal is sent to a controller of the control system, the controller of the control system gives an instruction to the alarm module to send out an audible and visual alarm to enable a worker to check the water level, the worker observes the water level through a water tank cover 27 on the upper part of the water tank 13, if the water level is low, an external water pipe is connected to the cold water inlet pipe 7, the cold water inlet pipe 7 is connected with the water tank 13 through a cold water inlet 24, and if the water level is high, the external water pipe is cut off;
the water tank temperature sensor 17 transmits the temperature of the spraying water to the controller in real time, the controller compares the data with the preset temperature, if the data is not less than the preset temperature, a spraying instruction can be sent out, if the preset temperature is not reached, an instruction can be sent out to the circulating pump, the heater is controlled to be turned on, water in the water tank 13 is heated until the preset temperature is reached, heating is stopped, and then an instruction is sent to the spraying system and the traveling system.
The spraying system is connected with the water circulation heating system, is electrically connected with the control system, and extracts spraying water from the water circulation heating system and sprays the spraying water on the concrete wall surface under the control of the control system;
the spraying system comprises a spraying pump 10 electrically connected with the control system and a spraying pipe 8 connected with a water outlet of the spraying pump 10, the spraying pipe 8 is parallel to and longitudinally arranged with the wall surface, the spraying pipe 8 is not limited to a vertical wall surface, and can be a slope surface with a certain slope, the longitudinal arrangement is not only vertical, but also longitudinal inclination, the spraying pipe 8 is vertically arranged and parallel to the wall surface, and can be used for maintaining the vertical wall surface, but for the slope surface, the concrete surface with the slope surface can be maintained only by inclining the spraying pipe 8 by a certain angle to be matched with the slope surface, a plurality of spraying heads 15 are arranged on the spraying pipe 8 at equal intervals, and a water inlet of the spraying pump 10 is connected into a water tank 13 of the water circulation heating system through a pipeline;
if the spray pipe 8 is longitudinally inclined, the spray pipe 8 is subjected to inclination adjustment through an angle adjusting device on the shell 22; angle adjusting device includes two backup pads 35 that are parallel to each other that set up perpendicularly on shell 22, all be equipped with the spout 36 of slope on the backup pad 35, and spout 36 on two backup pads 35 corresponds the setting, be equipped with a plurality of breachs 37 on the spout 36, be equipped with bracing piece 41 in the breach 37, bracing piece 41 is used for the support and spacing to shower 8, weld rotary rod 42 on the lower part lateral wall of shower 8, the both ends of rotary rod 42 are passed through the bearing and are fixed on backup pad 35, the bottom of shower 8 is passed through spray hose 38 and is connected with the delivery port that sprays pump 10.
When shower 8 needs the slope to be placed, only need place bracing piece 41 in breach 37, specific which breach 37, need confirm according to specific inclination, then rotate shower 8, shower 8 uses rotary rod 42 to rotate as the pivot, and shower 8 is put on bracing piece 41 at last, is supported by bracing piece 41.
The spray pipe 8 is provided with a reinforcing sleeve 40 which can be fixed on the spray pipe 8 and can be taken down from the spray pipe 8, the reinforcing sleeve 40 is hinged with two telescopic reinforcing rods 14, the other ends of the reinforcing rods 14 are respectively hinged with the top of the shell 22, and the two reinforcing rods 14 and the reinforcing sleeve 40 form a triangular force for fixing the spray pipe 8.
The spray pipe 8 of the spray system consists of a single pipe.
And the spray pipe 8 of the spray system is formed by splicing a plurality of single pipes.
The shower pipes 8 can also be of a lower straight type and an upper arc type, and thus can also be used for curing tunnel walls and vault concrete.
Generally, the length of the spray pipe 8 needs to be selected according to the power of the spray pump 10, if the spray pipe 8 needs to reach a higher height, the spray pump 10 with higher power needs to be selected for a long time, if the spray pipe 8 is longer, the spray pipe needs to be reinforced by the reinforcing rod 14 for a long time, otherwise the spray pipe is easy to topple over, and meanwhile, if the spray pipe 8 needs to be maintained on a slope surface, the spray pipe 8 is arranged obliquely, the reinforcing rod is needed to be reinforced more, and the spray pipe 8 is prevented from falling down.
The traveling system drives the maintenance machine to move back and forth on the track 1 under the control of the control system, the traveling system comprises a speed reducer 6 connected with a driving motor and two pulley blocks arranged in front of and behind the lower portion of the chassis, the driving motor is electrically connected with the control system, the pulley blocks comprise a rotating shaft 41 and pulleys 19 at two ends of the rotating shaft 41, the output end of the speed reducer 6 is connected with a chain wheel 5 on the rotating shaft 41 of the front pulley block through a chain 28, and the pulleys 19 are arranged on the track 1.
Two bearings 20 are further arranged on the rotating shaft 41, the bearings 20 are fixed on bearing blocks, and the bearing blocks are fixed on the chassis 21 through bolts.
The track 1 is formed by splicing a plurality of track units 34, two ends of the track 1 are provided with vertical rods 31, the upper parts of the vertical rods 31 are connected with baffle plates 33 through springs 32, the baffle plates 33 correspond to the travel switches 2 arranged in front of and behind the shell 22 respectively, and the travel switches 2 are electrically connected with a control system.
When travel switch 2 on curing machine right side touches baffle 33 on right side, control system's controller will receive the signal, and the instruction of switching-over is assigned for driving motor to the controller, and one side of baffle 33 is equipped with the spring, can cushion the inertia of curing machine, avoids curing machine to rush out track 1.
The controller of the control system compares the collected temperature and humidity data of the concrete wall surface and the external environment with preset data, if the maintenance standard is not met and the monitored water temperature meets the requirement, a spraying instruction and a walking instruction are issued, if the water temperature does not meet the requirement, the controller firstly issues an instruction to the water circulation heating system to heat the spraying water until the requirement is met, an instruction is issued to the spraying system and the walking system, along with the starting of the spraying system, the temperature and humidity data of the concrete wall surface and the environment can be transmitted to the controller in real time, after a preset control value is reached, the spraying is stopped, the walking system drives the maintenance machine to move, if a travel switch 2 on the machine body touches a baffle 33 at the end part of a track, a signal can be transmitted to the controller, and the controller sends a steering instruction to a driving motor, the steering of the maintenance machine is realized.
The model of the water level sensor is FST700-302, the model of the water temperature sensor is WZP-291, the model of the temperature and humidity sensor is WHTM-02, the model of the travel switch is LJA30M-40N1, the infrared temperature measuring sensor is used for establishing the family of kernel, and the controller is used for a singlechip and is TH 801.
The details of the above are not described in detail since they are prior art.
Claims (10)
1. The utility model provides an intelligence concrete maintenance machine which characterized in that: the environment-friendly water-saving spraying device comprises a chassis (21) and a shell (22), wherein a control system, an environment monitoring system, a water circulation heating system, a spraying system and a walking system are arranged on the chassis (21);
the environment monitoring system is electrically connected with the control system and is used for measuring the surface temperature of the concrete wall and the temperature and humidity of the current environment and transmitting the measured data to the control system in real time;
the water circulation heating system is electrically connected with the control system and used for storing spray water, heating the spray water and transmitting the liquid level and the water temperature of the spray water to the control system in real time by using the sensor;
the spraying system is connected with the water circulation heating system, is electrically connected with the control system, and extracts spraying water from the water circulation heating system and sprays the spraying water on the longitudinal concrete wall surface under the control of the control system;
the spraying system comprises a spraying pump (10) electrically connected with the control system and a spraying pipe (8) connected with a water outlet of the spraying pump (10), the spraying pipe (8) is parallel to the wall surface and is longitudinally arranged, a plurality of spraying heads (15) are arranged on the spraying pipe (8) at equal intervals, and a water inlet of the spraying pump (10) is connected into a water tank (13) of the water circulation heating system through a pipeline;
the traveling system drives the curing machine to move back and forth on the track (1) under the control of the control system.
2. The intelligent concrete curing machine of claim 1, wherein: the environment monitoring system comprises an infrared temperature measuring sensor (30) and a temperature and humidity sensor (29), and the infrared temperature measuring sensor (30) and the temperature and humidity sensor (29) are respectively electrically connected with the control system.
3. The intelligent concrete curing machine of claim 1, wherein: the water circulation heating system comprises a water tank (13) and a heater (9), a cold water outlet pipe (12) at the bottom of the water tank (13) is connected with a water inlet of a circulating pump (11), a water outlet of the circulating pump (11) is connected with a water inlet of the heater (9) through a pipeline, a water outlet of the heater (9) is connected into the water tank (13) through a hot water inlet pipe (39), and the heater (9) is electrically connected with a control system.
4. The intelligent concrete curing machine of claim 3, wherein: the water circulation heating system also comprises an upper water level sensor (16), a lower water level sensor (18) and a water tank temperature sensor (17) which are arranged in the water tank (13), wherein the upper water level sensor (16), the lower water level sensor (18) and the water tank temperature sensor (17) are respectively and electrically connected with the control system.
5. The intelligent concrete curing machine of claim 1, wherein: still be equipped with angle adjusting device on shell (22), can adjust the angle of inclination of shower (8) through angle adjusting device, be equipped with on shower (8) can fix reinforced cover (40) that can take off on shower (8) again on shower (8), it has two anchor strut (14) that can stretch out and draw back to articulate on reinforced cover (40), the other end of anchor strut (14) is articulated with shell (22) top respectively, the three-angle trend is constituteed with reinforced cover (40) to two anchor strut (14) for fixed shower (8).
6. The intelligent concrete curing machine of claim 5, wherein: the spray pipe (8) of the spray system consists of a single pipe.
7. The intelligent concrete curing machine of claim 5, wherein: and the spray pipe (8) of the spray system is formed by splicing a plurality of single pipes.
8. The intelligent concrete curing machine of claim 1, wherein: the walking system comprises a speed reducer (6) connected with a driving motor and two pulley blocks arranged in front of and behind the lower portion of the chassis, the driving motor is electrically connected with the control system, the pulley blocks comprise rotating shafts (41) and pulleys (19) at two ends of the rotating shafts (41), the output end of the speed reducer (6) is connected with a chain wheel (5) on the rotating shaft (41) of the front pulley block through a chain (28), and the pulleys (19) are arranged on the track (1).
9. The intelligent concrete curing machine of claim 8, wherein: the rotating shaft (41) is further provided with two bearings (20), the bearings (20) are fixed on a bearing seat, and the bearing seat is fixed on the chassis (21) through bolts.
10. The intelligent concrete curing machine of claim 1 or 8, wherein: the track (1) is formed by splicing a plurality of track units (34), two ends of the track (1) are provided with vertical rods (31), the upper parts of the vertical rods (31) are connected with baffle plates (33) through springs (32), the baffle plates (33) respectively correspond to travel switches (2) arranged in front of and behind the shell (22), and the travel switches (2) are electrically connected with a control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020947096.3U CN212389035U (en) | 2020-05-29 | 2020-05-29 | Intelligent concrete curing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020947096.3U CN212389035U (en) | 2020-05-29 | 2020-05-29 | Intelligent concrete curing machine |
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| Publication Number | Publication Date |
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| CN212389035U true CN212389035U (en) | 2021-01-22 |
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| CN202020947096.3U Expired - Fee Related CN212389035U (en) | 2020-05-29 | 2020-05-29 | Intelligent concrete curing machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111472563A (en) * | 2020-05-29 | 2020-07-31 | 中铁隧道局集团有限公司 | Intelligent concrete curing machine |
| CN113622691A (en) * | 2021-08-30 | 2021-11-09 | 嘉兴创奇环保材料有限公司 | Automatic watering maintenance equipment for modified polypropylene fiber anti-crack mortar component |
| CN116041089A (en) * | 2022-12-16 | 2023-05-02 | 中建中新建设工程有限公司 | Intelligent robot for concrete curing and curing method |
| CN117386167A (en) * | 2023-12-12 | 2024-01-12 | 德通建设集团有限公司 | Concrete outer wall curing means |
-
2020
- 2020-05-29 CN CN202020947096.3U patent/CN212389035U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111472563A (en) * | 2020-05-29 | 2020-07-31 | 中铁隧道局集团有限公司 | Intelligent concrete curing machine |
| CN111472563B (en) * | 2020-05-29 | 2024-06-04 | 中铁隧道局集团有限公司 | Intelligent concrete curing machine |
| CN113622691A (en) * | 2021-08-30 | 2021-11-09 | 嘉兴创奇环保材料有限公司 | Automatic watering maintenance equipment for modified polypropylene fiber anti-crack mortar component |
| CN116041089A (en) * | 2022-12-16 | 2023-05-02 | 中建中新建设工程有限公司 | Intelligent robot for concrete curing and curing method |
| CN116041089B (en) * | 2022-12-16 | 2024-04-02 | 中建中新建设工程有限公司 | Intelligent robot for concrete curing and curing method |
| CN117386167A (en) * | 2023-12-12 | 2024-01-12 | 德通建设集团有限公司 | Concrete outer wall curing means |
| CN117386167B (en) * | 2023-12-12 | 2024-03-12 | 德通建设集团有限公司 | Concrete outer wall curing means |
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Granted publication date: 20210122 |