CN204658652U - Concrete foundation curing means - Google Patents

Concrete foundation curing means Download PDF

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Publication number
CN204658652U
CN204658652U CN201520347807.2U CN201520347807U CN204658652U CN 204658652 U CN204658652 U CN 204658652U CN 201520347807 U CN201520347807 U CN 201520347807U CN 204658652 U CN204658652 U CN 204658652U
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CN
China
Prior art keywords
water
storage box
water storage
solar panel
water pipe
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Withdrawn - After Issue
Application number
CN201520347807.2U
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Chinese (zh)
Inventor
唐爽
张连宏
李仲秋
何勇军
王宝利
王增军
杜恒
陈朝勇
高文龙
孙梓航
罗荣钧
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State Grid Corp of China SGCC
Economic and Technological Research Institute of State Grid Shandong Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Economic and Technological Research Institute of State Grid Shandong Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, Economic and Technological Research Institute of State Grid Shandong Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201520347807.2U priority Critical patent/CN204658652U/en
Application granted granted Critical
Publication of CN204658652U publication Critical patent/CN204658652U/en
Withdrawn - After Issue legal-status Critical Current
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Abstract

Concrete foundation curing means, wastes time and energy during for solving the manually free-hand concrete foundation maintenance carried out in power construction, the unwarrantable problem of concrete foundation structural strength.Comprise water tank assembly, accumulation of energy assembly and water spray assembly, water tank assembly comprises water storage box and is rotatably installed in the end cap at water storage box top, in the inner chamber of water storage box, be provided with screen cloth; Accumulation of energy assembly comprises the first solar panel, the second solar panel and battery, and first, second solar panel is all movably arranged on the side of water storage box, and first, second solar panel is all connected with storage battery by wire; Water spray assembly comprises snap joint, hydraulic pipeline and connector, and snap joint is arranged on the bottom of water storage box, is provided with connector at the free end of described snap joint, is provided with hydraulic pipeline at the other end of described connector.This device, can improve efficiency during concrete foundation maintenance, ensures the structural strength of concrete foundation.

Description

Concrete foundation curing means
Technical field
The utility model relates to concrete curing technical field, specifically a kind of device concrete foundation in power construction being carried out to maintenance in unserviced situation.
Background technology
In existing power construction, the quality of concrete foundation quality plays vital effect to keeping the normal operation that is stable and transmission line of electricity of power equipment.After concrete foundation completes, adopt and manually direct water seasoning is carried out to concrete foundation, to prevent the dry and cracked underlying strength caused of concrete foundation not enough.In concrete maintenance, need manually free-hand watering, waste of manpower on the one hand, also can impact the structural strength on basis if water seasoning is not in place on the other hand, particularly in the winter time, water temperature over-high or too low is very large on the structural strength impact of concrete foundation.The concrete foundation automatic maintenance device that Chinese patent 2014204753956 is announced, although can carry out automatic watering function maintenance to concrete, the water temperature for curing concrete is uncontrollable, also just can not ensure concrete structural strength; On the other hand, the energy supply problem of solution equipment is failed.
Utility model content
The purpose of this utility model is to provide a kind of concrete foundation curing means, wastes time and energy, concrete foundation structural strength unwarrantable problem during for solving the manually free-hand concrete foundation maintenance carried out in power construction.
The technical scheme in the invention for solving the technical problem is: concrete foundation curing means, comprise water tank assembly and water spray assembly, it is characterized in that, described water tank assembly comprises water storage box and is rotatably installed in the end cap at water storage box top, and between described end cap and water storage box, be provided with the drives structure that Driving terminal rotates; The inner chamber of described water storage box is water storage cavity, is provided with a screen cloth in described water storage cavity, and the outer wall of described water storage box is provided with accumulation of energy assembly;
Described accumulation of energy assembly comprises the first solar panel, the second solar panel and battery, described first solar panel is movably arranged on the leading flank of water storage box, described second solar panel is two and is movably arranged on respectively on the left and right side of water storage box, and described first solar panel is all connected with the storage battery be positioned on water storage box by wire with the second solar panel;
Described water spray assembly comprises snap joint, the first water pipe, the second water pipe and connector, the installation end of described snap joint is arranged on the bottom of water storage box and is communicated with water storage cavity, and magnetic valve is provided with between described snap joint and water storage box, described magnetic valve is provided with timer, described timer is connected with controller signals by wire, and described controller is connected with magnetic valve signal by wire; Be provided with connector at the free end of described snap joint, be provided with hydraulic pipeline at the other end of described connector, described hydraulic pipeline is provided with atomizer;
The inwall of described storage tank is provided with heater, and described heater and battery, master switch and the first switch form heating current loop; Described drives structure and battery, master switch and second switch form drive current loop; The inwall of described storage tank is provided with cooling-water temperature sensor, and described cooling-water temperature sensor is connected with controller signals by wire, and described cooling-water temperature sensor and battery, master switch and the 3rd switch constitute temperature measurement current loop; Described magnetic valve and battery, master switch and the 4th switch constitute water spray current loop.
Further, described drives structure comprises the motor be fixed on water storage box, the reduction box be connected with motor output end, is arranged on the drive bevel gear of reduction box output and the driven wheel of differential with drive bevel gear engagement fit, described driven wheel of differential is fixed a vertical rotating shaft, described rotating shaft and water storage box are rotationally connected, and the top of described rotating shaft is fixedly connected with end cap.
Further, described water storage box is rectangular structure, the leading flank of described water storage box is provided with the first groove, the upper articulation of described first solar panel is arranged in the first groove, between the bottom and the first groove of described first solar panel, be provided with support bar, the two ends of described support bar are articulated and connected with the first solar panel and water storage box respectively.
Further, the left and right side of described water storage box is respectively equipped with the second groove, installation one fixed strip is rotated in the second groove described in each, described fixed strip is hingedly connected with the second solar panel, and the rotational plane of described fixed strip is vertical with the rotational plane of the second solar panel to be arranged; Be provided with latch in the inner side of described second solar panel, in described second groove, be provided with the slot coordinated with latch grafting.
Further, described reduction box is worm reduction box, described worm gear and the coaxial setting of drive bevel gear, described worm screw and the coaxial setting of motor output end.
Further, described hydraulic pipeline comprises the first water pipe and the second water pipe, described connector is threeway, and three interfaces of described threeway are connected with snap joint, the first water pipe and the second water pipe respectively, and described connector, the first water pipe and the second water pipe form " ┛ " shape.
Further, described hydraulic pipeline comprises the first water pipe and the second water pipe, described connector is straight tube, described straight tube is connected with the first water pipe pipe, described second water pipe and the first water pipe be vertical to be arranged and described second water pipe is communicated with the middle part of the first water pipe, and described connector, the first water pipe and the second water pipe form " ⊥ " shape.
Further, shower nozzle is equipped with in the both sides of described second water pipe.
Further, road wheel is provided with in the bottom of described water storage box.
The beneficial effects of the utility model are: the concrete foundation curing means that the utility model provides, at least has the following advantages:
(1) rotate installation end cap at the top of water storage box, the setting of end cap can prevent foreign material from entering into water storage box and cause the blocking of pipeline and the pollution of water on the one hand; Rotatable end cap, makes sunshine shine in water storage box, water is played to the effect of heating on the other hand;
(2) screen cloth is set in water storage box, plays the effect preventing impurity pollution water further;
(3) first, second solar panel is set on water storage box, and first, second solar panel can be hidden on the sidewall of water storage box, can pull out from the sidewall of water storage box again, to make sunshine direct projection solar panel, solar panel is connected with storage battery, takes full advantage of solar energy;
(4) heater is set in water storage box, by heater, water is heated, can ensure that the water temperature be sprayed in concrete foundation is ideal water temperatures in the winter of cold, and then ensure concrete structural strength;
(5) cooling-water temperature sensor is set in water storage box, is convenient to Real-Time Monitoring water temperature;
(6) snap joint is set in the bottom of water storage box, be connected with hydraulic pipeline by snap joint, the hydraulic pipeline of " ⊥ " font and the both sides of the second water pipe all arrange shower nozzle, ensure that water covers in concrete foundation comprehensively, ensure that the structural strength of concrete foundation;
(7) this device can, under the prerequisite of unsupervised, realize, to concrete maintenance, ensure that concrete quality.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model;
Fig. 2 is one of graphics of water storage box;
Fig. 3 be first, second solar panel with water storage box coordinate figure;
Fig. 4 is the graphics two of water storage box;
Fig. 5 is the A place partial enlarged drawing in Fig. 4;
Fig. 6 is one of operating diagram after first, second solar cell plate development;
Fig. 7 is the operating diagram two after first, second solar cell plate development;
Step one (upset) when Fig. 8 is the second solar cell plate development;
Step 2 (rotation) when Fig. 9 is the second solar cell plate development;
Figure 10 is the B place partial enlarged drawing in Fig. 9;
Figure 11 is the fixing schematic diagram of the second solar panel and water storage box;
Figure 12 be the second solar panel with fixed strip coordinate one of schematic diagram;
Figure 13 be the second solar panel and the fixed strip of off working state coordinate schematic diagram two;
Figure 14 is the top view of Figure 13;
Figure 15 be the second solar panel and the fixed strip of duty coordinate schematic diagram;
Figure 16 be end cap with water storage box coordinate schematic diagram;
Figure 17 be water storage box with screen cloth coordinate schematic diagram;
Figure 18 is the schematic top plan view of water storage box;
Figure 19 is one of layout schematic diagram of the first water pipe and the second water pipe;
Figure 20 is the layout schematic diagram two of the first water pipe and the second water pipe;
Figure 21 is circuit diagram of the present utility model;
Figure 22 is the schematic diagram of the utility model curing concrete;
Figure 23 is that the first water pipe and the second water pipe are sprayed water schematic diagram;
Figure 24 is schematic diagram when utilizing solar energy to heat the water in water storage box;
In figure: 1 water storage box, 11 water storage cavities, 12 first grooves, 13 second grooves, 14 shaft holes, 15 gear cavities, 16 road wheels, 17 slots, 18 baffle plates, 2 end caps, 21 motors, 22 reduction boxes, 23 drive bevel gear, 24 driven wheels of differential, 25 first rotating shafts, 31 first solar panels, 311 support bars, 32 second solar panels, 321 is protruding, 322 latches, 323 fixed strips, 324 second rotating shafts, 4 snap joints, 41 magnetic valves, 42 flexible pipes, 5 connectors, 61 first water pipes, 62 second water pipes, 7 shower nozzles, 8 screen clothes, 81 cooling-water temperature sensors, 82 heaters, 83 batteries, 84 master switch, 85 first switches, 86 second switches, 87 the 3rd switches, 88 the 4th switches, 9 concrete, 10 water smokes.
Detailed description of the invention
As shown in Fig. 1 to Figure 24, the utility model comprises water tank assembly, accumulation of energy assembly and water spray assembly, is described the utility model below in conjunction with accompanying drawing.
Water tank assembly mainly comprises water storage box 1, end cap 2, motor 21, reduction box 22, drive bevel gear 23, driven wheel of differential 24 and the first rotating shaft 25, as shown in Figure 2, water storage box 1 is the cube-shaped structure of hollow, the inside of water storage box is water storage cavity 11, is marked with the water of curing concrete in water storage cavity.Road wheel 16 is provided with, so that the carrying of water storage box in the bottom of water storage box.Be provided with the first square groove 12 in the front side of water storage box, be respectively equipped with the second square groove 13 in the left and right sides of water storage box.As shown in Figure 4, Figure 5, the top on rear side of water storage box is provided with gear cavity 15, in gear cavity, install gear.Top on rear side of water storage box is provided with shaft hole 14, and shaft hole is for installing the first rotating shaft 25.As shown in figure 16, the top being rotatablely equipped with the first rotating shaft 25, first rotating shaft in shaft hole is fixedly connected with end cap 2, and the bottom of end cap coordinates with the top contact of water storage box, and end cap is square structure, and the top dimension of size and water storage box adapts.Rotating shaft is fixed with driven wheel of differential 24, top on rear side of water storage box is provided with motor 21 and reduction box 22 by bolt, the output of motor is connected with the input of reduction box, be provided with drive bevel gear 23 at the output of reduction box, this drive bevel gear 23 forms Bevel Gear Transmission with driven wheel of differential 24 engagement fit.During motor action, drive axis of rotation by reduction box and Bevel Gear Transmission, and then realize the rotation of end cap.Reduction box can be worm reduction box, and in reduction box, namely arrange the worm and gear of engagement fit, wherein worm shaft is fixedly connected with motor output shaft, worm-wheel shaft and the coaxial setting of driving tapered gear shaft.Motor, reduction box, drive bevel gear and driven wheel of differential constitute drives structure.
Accumulation of energy assembly mainly comprises the first solar panel 31, second solar panel 32 and battery 83, as shown in Figure 3, first solar panel is placed in the first groove 12 and can be movable at the first groove, and the second solar panel is placed in the second groove 13 and can be movable at the second groove.As shown in Figure 6, the top of the first solar panel and the top of the first groove are articulated and connected, and are provided with a support bar 311 in the lower hinge of the first solar panel, and the other end of support bar is hingedly mounted in the first groove.When first solar panel is in off working state, the first solar panel is vertically placed and is hidden in the first groove.When first solar panel is in running order, pull the bottom of the first solar panel that the bottom of the first solar panel is rotated around the top of the first solar panel, and the bottom of the first solar panel is deviate from from the first groove, now the first solar panel is in heeling condition.
As shown in figure 12, the second solar panel is provided with two, and installation end and the fixed strip 323 of each the first solar panel are articulated and connected, and fixed strip 323 is the metalwork of list structure, and the second solar panel can do 90 degree relative to fixed strip and rotate.Be provided with the second rotating shaft 324, second rotating shaft and water storage box is rotationally connected at the other end of fixed strip, in the second groove, be provided with the rotating shaft installing hole coordinated with the second axis of rotation.When second solar panel is in off working state, the second solar panel is hidden in the second groove.As shown in Figure 13, Figure 14, during use, rotate the second solar panel and the second solar panel and fixed strip are be arranged in parallel, as shown in Figure 8, now the second solar panel is vertical with the left and right side of water storage box is arranged.Now the second solar panel is still in vertical state, sunshine can not direct projection on the second solar panel.As shown in Figure 9, the second solar panel is made to rotate counterclockwise certain angle around the second axis of rotation second solar panel.For realizing the fixing of the second solar panel of heeling condition, as shown in Figure 10, protruding 321 are fixed with in the inner side of the second solar panel, a latch 322 is provided with in projection, as shown in figure 11, each second groove bottom land is provided with slot 17, as shown in Figure 9, latch is inserted in slot, determine that the principle of straight line can realize the relative fixing of the second solar panel and water storage box by latch and the second rotating shaft according to 2.As shown in figure 15, now the second solar panel is in heeling condition relatively fixing, and sunshine can direct projection second solar panel.As shown in Figure 7, during use, the first solar panel and the second solar panel are all opened, two solar panels can be made to receive solar energy, and convert solar energy into electrical energy.According to the Position Latitude of territory of use, regulate the angle of inclination of the first solar panel and the second solar panel, the direct projection of sunshine to solar panel can be realized.
First solar panel, the second solar panel are all electrically connected with battery 83, and battery is arranged on water storage box, the first solar panel 31, second solar panel 32 and constitute electric power storage assembly with battery 83.As shown in figure 18, the water storage cavity inwall of water storage box is provided with heater 82, heater and battery form heating current loop.When heating current loop is connected, by heater, the water in water storage box is heated.
As shown in figure 18, the water storage cavity inwall of water storage box is also provided with some baffle plates 18 be placed in same level, as shown in figure 17, baffle plate is placed with screen cloth 8, the foreign material such as preventing leaf that act as of screen cloth enter into water storage box, avoid the blocking pipelines such as leaf.As shown in figure 24, at sunshine than stronger season, can drive motors action, make end cap revolve turnback, now, the top of water storage box is opened, and sunshine can impinge upon on the water surface and heat the water in water storage box.In the winter time, weather is colder, by connecting heating current loop, heater is heated, to increase water temperature to water.For ease of the water temperature in monitoring water storage box, water storage box water storage cavity inwall is provided with cooling-water temperature sensor 81, cooling-water temperature sensor controller is electrically connected, and controller is electrically connected by wire with heater, by the duty of cooling-water temperature sensor control heater.
Water spray assembly comprises the first water pipe 61, second water pipe 62, snap joint 4, connector 5 and shower nozzle 7, a snap joint 4 is connected with in the bottom of water storage box, the inner space of snap joint and water storage box, flexible pipe 42 is connected with at the other end of snap joint, the setting of flexible pipe is for the ease of installing, for not essential, magnetic valve 41 is provided with between snap joint and water storage box, magnetic valve is provided with timer, timer is connected with controller by wire, on the other hand, cooling-water temperature sensor is also connected with controller by wire, the valve opening and closing of controller Controlling solenoid valve.When timer reaches setting-up time, and when the water temperature of cooling-water temperature sensor perception is positioned at setting range, the valve open of Controlling solenoid valve just understood by controller.Connector 5 is connected with at the other end of flexible pipe, as shown in figure 19, connector is threeway, first interface of threeway is connected with flexible pipe, in second of threeway, 3rd interface is connected to the first water pipe 61 and the second water pipe 62, first water pipe and the second water pipe are respectively equipped with atomizer 7, first water pipe, second water pipe and threeway form " ┛ " shape structure, first water pipe and the second water pipe are placed in the both sides of concrete foundation respectively, magnetic valve is opened rear current and is flowed in the first water pipe and the second water pipe through threeway, then through sprinkler in concrete foundation.As shown in figure 20, connector is a straight tube, and one end of straight tube is connected with flexible pipe, the other end of straight tube is connected with the first water pipe, be connected with the second water pipe 62, second water pipe at the middle part of the first water pipe and the first water pipe forms " ⊥ " shape, the first water pipe and the second water pipe are respectively equipped with shower nozzle.Wherein, be equipped with shower nozzle in the both sides of the second water pipe, as shown in figure 23, so that water enters after the first water pipe and the second water pipe through connector, spray through the both sides of the second water pipe.Like this, can ensure that water covers in concrete foundation than more comprehensively, ensure the structural strength of concrete foundation.Acting as of connector connects snap joint and the first water pipe, when connector selects threeway, also has the effect of shunting.First water pipe and the second water pipe constitute hydraulic pipeline.
As shown in figure 21, for circuit diagram of the present utility model, battery 83 forms heating current loop with master switch 84, first switch 85 and heater 82, the condition of work of heater be that master switch 84 is closed, the first switch 85 is closed and the water temperature of cooling-water temperature sensor perception lower than the minimum temperature of design temperature scope.Along with the continuous rising of water temperature, when the highest temperature higher than design temperature scope of the water temperature of cooling-water temperature sensor perception, heater quits work.This design temperature scope is 5 DEG C-23 DEG C, and in this temperature range, the shaping later strength of concrete foundation is higher.Battery and master switch 84, motor 21, second switch 86 constitute drive current loop, and the condition of work of motor is that master switch and second switch close, and now motor action stops after making rotating shaft turn over 180 degree.Battery and master switch 84, cooling-water temperature sensor 81, the 3rd switch 87 constitute temperature measurement current loop, and the condition of work of cooling-water temperature sensor is that master switch and the 3rd switch close; Cooling-water temperature sensor carries out real time temperature measurement to water, and feeds back to controller, the duty of controller control heater.Battery and master switch 84, magnetic valve 41 and the 4th switch 88 form current loop of spraying water, magnetic valve is provided with timer, the condition that magnetic valve is opened is master switch 84, the 4th switch 88 is closed, the water temperature of cooling-water temperature sensor perception in setting range and timer reach setting-up time, under the state that master switch 84 and the 4th switch close, and the water temperature of cooling-water temperature sensor perception is in setting range, the every timing of timer once, magnetic valve is just opened once, and automatically closes after time delay after a while.
As shown in figure 22, do not need the monitoring of people, after installing this device, open master switch 84, first switch 85, the 3rd switch 87 and the 4th switch 88, just the water of design temperature scope can be sprayed onto in concrete foundation 9 with the form of water smoke 10.

Claims (9)

1. concrete foundation curing means, comprise water tank assembly and water spray assembly, it is characterized in that, described water tank assembly comprises water storage box and is rotatably installed in the end cap at water storage box top, and between described end cap and water storage box, be provided with the drives structure that Driving terminal rotates; The inner chamber of described water storage box is water storage cavity, is provided with a screen cloth in described water storage cavity, and the outer wall of described water storage box is provided with accumulation of energy assembly;
Described accumulation of energy assembly comprises the first solar panel, the second solar panel and battery, described first solar panel is movably arranged on the leading flank of water storage box, described second solar panel is two and is movably arranged on respectively on the left and right side of water storage box, and described first solar panel is all connected with the storage battery be positioned on water storage box by wire with the second solar panel;
Described water spray assembly comprises snap joint, the first water pipe, the second water pipe and connector, the installation end of described snap joint is arranged on the bottom of water storage box and is communicated with water storage cavity, and magnetic valve is provided with between described snap joint and water storage box, described magnetic valve is provided with timer, described timer is connected with controller signals by wire, and described controller is connected with magnetic valve signal by wire; Be provided with connector at the free end of described snap joint, be provided with hydraulic pipeline at the other end of described connector, described hydraulic pipeline is provided with atomizer;
The inwall of described storage tank is provided with heater, and described heater and battery, master switch and the first switch form heating current loop; Described drives structure and battery, master switch and second switch form drive current loop; The inwall of described storage tank is provided with cooling-water temperature sensor, and described cooling-water temperature sensor is connected with controller signals by wire, and described cooling-water temperature sensor and battery, master switch and the 3rd switch constitute temperature measurement current loop; Described magnetic valve and battery, master switch and the 4th switch constitute water spray current loop.
2. concrete foundation curing means according to claim 1, it is characterized in that, described drives structure comprises the motor be fixed on water storage box, the reduction box be connected with motor output end, is arranged on the drive bevel gear of reduction box output and the driven wheel of differential with drive bevel gear engagement fit, described driven wheel of differential is fixed a vertical rotating shaft, described rotating shaft and water storage box are rotationally connected, and the top of described rotating shaft is fixedly connected with end cap.
3. concrete foundation curing means according to claim 2, it is characterized in that, described water storage box is rectangular structure, the leading flank of described water storage box is provided with the first groove, the upper articulation of described first solar panel is arranged in the first groove, between the bottom and the first groove of described first solar panel, be provided with support bar, the two ends of described support bar are articulated and connected with the first solar panel and water storage box respectively.
4. concrete foundation curing means according to claim 3, it is characterized in that, the left and right side of described water storage box is respectively equipped with the second groove, installation one fixed strip is rotated in the second groove described in each, described fixed strip is hingedly connected with the second solar panel, and the rotational plane of described fixed strip is vertical with the rotational plane of the second solar panel to be arranged; Be provided with latch in the inner side of described second solar panel, in described second groove, be provided with the slot coordinated with latch grafting.
5. concrete foundation curing means according to claim 1, is characterized in that, described reduction box is worm reduction box, described worm gear and the coaxial setting of drive bevel gear, described worm screw and the coaxial setting of motor output end.
6. concrete foundation curing means according to claim 1, it is characterized in that, described hydraulic pipeline comprises the first water pipe and the second water pipe, described connector is threeway, three interfaces of described threeway are connected with snap joint, the first water pipe and the second water pipe respectively, and described connector, the first water pipe and the second water pipe form " ┛ " shape.
7. concrete foundation curing means according to claim 1, it is characterized in that, described hydraulic pipeline comprises the first water pipe and the second water pipe, described connector is straight tube, described straight tube is connected with the first water pipe pipe, described second water pipe and the first water pipe be vertical to be arranged and described second water pipe is communicated with the middle part of the first water pipe, and described connector, the first water pipe and the second water pipe form " ⊥ " shape.
8. concrete foundation curing means according to claim 7, is characterized in that, is equipped with shower nozzle in the both sides of described second water pipe.
9. concrete foundation curing means according to claim 4, is characterized in that, is provided with road wheel in the bottom of described water storage box.
CN201520347807.2U 2015-05-26 2015-05-26 Concrete foundation curing means Withdrawn - After Issue CN204658652U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520347807.2U CN204658652U (en) 2015-05-26 2015-05-26 Concrete foundation curing means

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Application Number Priority Date Filing Date Title
CN201520347807.2U CN204658652U (en) 2015-05-26 2015-05-26 Concrete foundation curing means

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104802297A (en) * 2015-05-26 2015-07-29 国网山东省电力公司经济技术研究院 Concrete foundation conservation device
CN108772944A (en) * 2018-05-07 2018-11-09 安徽砼宇特构科技有限公司 It is a kind of to facilitate fixed installation formula precast concrete case

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104802297A (en) * 2015-05-26 2015-07-29 国网山东省电力公司经济技术研究院 Concrete foundation conservation device
CN108772944A (en) * 2018-05-07 2018-11-09 安徽砼宇特构科技有限公司 It is a kind of to facilitate fixed installation formula precast concrete case

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Granted publication date: 20150923

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