CN112847806A - Concrete moisture retention device for building site - Google Patents
Concrete moisture retention device for building site Download PDFInfo
- Publication number
- CN112847806A CN112847806A CN202110029436.3A CN202110029436A CN112847806A CN 112847806 A CN112847806 A CN 112847806A CN 202110029436 A CN202110029436 A CN 202110029436A CN 112847806 A CN112847806 A CN 112847806A
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- China
- Prior art keywords
- water
- device shell
- concrete
- side wall
- mounting groove
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/48—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions wherein the mixing is effected by vibrations
- B28C5/485—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions wherein the mixing is effected by vibrations with reciprocating or oscillating stirrers; Stirrers therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/02—Controlling the operation of the mixing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/12—Supplying or proportioning liquid ingredients
- B28C7/126—Supply means, e.g. nozzles
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a concrete moisture retention device for a construction site, which comprises a device shell with an upward-opening concave cross section, wherein a motor is welded on the device shell through a support, a rotating plate is welded on an output shaft of the motor, a permanent magnet is embedded on the upper surface of the rotating plate, a plurality of magnetic columns are sleeved on the inner bottom wall of the device shell in a sliding mode through a mounting groove, a reset spring is fixedly connected between the magnetic columns and the inner bottom wall of the mounting groove, a spiral coil is arranged on the inner side wall of the mounting groove, and a moisture induction device is arranged in the device shell. Has the advantages that: the invention can slightly stir the concrete during storage, avoids the upper and lower layering, has slight stirring degree, avoids concrete segregation caused by over-stirring of the finished concrete, can automatically detect the water content in the concrete, automatically carries out water adding and water reducing operations, does not need special people to observe the water adding, and greatly saves labor force.
Description
Technical Field
The invention relates to the technical field of construction tools, in particular to a concrete moisture retention device for a construction site.
Background
Concrete is one of the most common building materials in construction sites, common concrete refers to artificial stone which is prepared by taking cement as a main cementing material, mixing water, sand, stones and chemical additives and mineral additives if necessary, mixing the materials according to a proper proportion, uniformly stirring, closely forming, curing and hardening, the concrete is generally transported to the construction site through a concrete truck after the production of the concrete plant is completed, the concrete which is not used in time can be solidified along with the loss of water during the storage period of the construction site, and if a person is sent to observe the water quantity of the concrete all the time, a large amount of manpower can be wasted.
Disclosure of Invention
The invention aims to solve the problem that manpower is wasted when a person specially allocates to observe water quantity in the prior art, and provides a concrete water retaining device for a construction site.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a concrete moisture retention device for building site, includes that the cross-section is the device shell of opening character cut in bas-relief shape up, the device shell has the motor through the leg joint, the output shaft welding of motor has the rotor plate, rotor plate upper surface inlays and has the permanent magnet, a plurality of magnetism posts have been cup jointed through the mounting groove slip to the diapire in the device shell, fixedly connected with reset spring between the diapire in magnetism post and the mounting groove, the mounting groove inside wall is provided with the solenoid, be provided with moisture induction system in the device shell.
In foretell concrete moisture for building site keeps device, moisture induction system is including seting up the installation cavity in the device shell diapire, installation cavity inside wall veneer has the response electro-magnet, the installation cavity inside wall slides and has cup jointed the magnetic block, fixedly connected with compression spring between magnetic block and the installation cavity inside wall, the roof slides through the sliding tray in the installation cavity and has cup jointed first conducting strip, the inside wall of sliding tray one side is inlayed and is had the second conducting strip, and the inside wall of opposite side is inlayed and is had the force sensing resistance, be provided with multiunit water adding mechanism and subtract water mechanism in the device shell.
In foretell concrete moisture for building site keeps device, the mechanism of adding water is in including the inlet opening and the setting of seting up at device shell lateral wall pump water electro-magnet in the device shell lateral wall, the sealed slip of the downthehole diapire of inlet opening has cup jointed the pump water board through the aqua storage tank, fixedly connected with pump water spring between pump water board and the aqua storage tank diapire, the welding of device shell lateral wall has the water tank, the inlet opening intercommunication inside and the water tank of device shell.
In the concrete water retaining device for a building site, the water splashing mechanism comprises a through hole formed in the side wall of the device shell, an electromagnetic valve is arranged in the through hole, and the solenoid coil, the induction electromagnet, the force sensitive resistor, the electromagnetic valve, the first conducting strip, the second conducting strip and the water pumping electromagnet are electrically connected through a wire.
In the concrete water retaining device for construction sites, the installation groove, the magnetic column, the return spring and the solenoid coil are located at the inner bottom wall of the device shell, at least six groups are arranged, and the included angle between each group is 60 degrees.
Compared with the prior art, the invention has the advantages that:
1. the rotating plate is driven to rotate through the rotation of the motor, so that the permanent magnet rotates around the circle center of the rotating plate, the permanent magnet is matched with the magnetic repulsion force of the permanent magnet to the magnetic columns, the cylinders move up and down in a periodic reciprocating mode to slightly stir concrete, the concrete is prevented from being layered up and down after being placed for a long time, only one magnetic column moves up and down at a time to stir, and compared with the situation that the concrete is stirred directly through a stirring blade, the situation that the concrete is separated due to excessive stirring cannot occur;
2. the water pumping electromagnet is electrified by gradually approaching the first conducting plate to the second conducting plate under the elastic action of the pressure spring until the water pumping electromagnet is contacted, the water in the water tank is pumped into the concrete in the shell of the device through the water pumping plate, the water in the water tank is kept, a specially-assigned person is not required to observe and add water, and the labor force is greatly saved;
3. along with the up-and-down movement of the magnetic column, when the water in the concrete is excessive, the speed of the magnetic column sliding out of the solenoid coil is increased, so that the induced current generated by the solenoid coil is increased, namely the magnetic force of the induction electromagnet is increased, the attraction force on the magnetic block is increased, the pressure of the first conducting strip on the force sensitive resistor is increased, along with the increase of the pressure, the resistance value of the force sensitive resistor is continuously reduced, the current in the circuit is increased until the current is increased to the opening threshold value of the electromagnetic valve, and the electromagnetic valve is opened, so that the water reducing agent is added into the concrete, and the internal water content is reduced;
drawings
FIG. 1 is a schematic structural view of a concrete moisture retaining apparatus for construction sites according to the present invention;
FIG. 2 is an enlarged view of a concrete moisture retaining apparatus for a construction site according to the present invention at A;
FIG. 3 is an enlarged view of a concrete moisture retaining apparatus for construction sites, which is provided in accordance with the present invention, at B;
FIG. 4 is a plan view of a concrete moisture retaining apparatus for a construction site according to the present invention;
fig. 5 is a schematic circuit connection diagram of a concrete moisture retention device for a construction site according to the present invention.
In the figure: the device comprises a device shell 1, a motor 2, a rotating plate 3, a permanent magnet 4, a mounting groove 5, a magnetic column 6, a reset spring 7, a solenoid coil 8, a mounting cavity 9, a magnetic block 10, an induction electromagnet 11, a sliding groove 12, a first conducting strip 13, a second conducting strip 14, a force sensitive resistor 15, a pressure spring 16, a water pumping electromagnet 17, a water inlet 18, a water storage tank 19, a water pumping plate 20, a water pumping spring 21, a water tank 22, a through hole 23 and an electromagnetic valve 24.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
Referring to fig. 1-5, a concrete moisture retention device for construction sites comprises a device shell 1 with an upward concave cross section, a motor 2 is welded on the device shell 1 through a support, a rotating plate 3 is welded on an output shaft of the motor 2, a permanent magnet 4 is embedded on the upper surface of the rotating plate 3, the permanent magnet 4 is biased on the upper surface of the rotating plate 3, a plurality of magnetic columns 6 are slidably sleeved on the inner bottom wall of the device shell 1 through a mounting groove 5, a stirring plate is welded on the upper surface of each magnetic column 6, a return spring 7 is fixedly connected between each magnetic column 6 and the inner bottom wall of the mounting groove 5, a solenoid 8 is arranged on the inner side wall of the mounting groove 5, along with the rotation of the rotating plate 3, when the magnetic columns rotate to be aligned with the magnetic columns 6, the magnetic columns 6 slide upwards due to magnetic repulsion force, when the magnetic columns rotate to be not aligned with the magnetic columns, the magnetic columns 6 reset under the elasticity of, and each magnetic column 6 is in intermittent motion, and a moisture sensing device is arranged in the device shell 1.
The moisture sensing device comprises a mounting cavity 9 arranged in the bottom wall of a device shell 1, a sensing electromagnet 11 is glued on the inner side wall of the mounting cavity 9, a magnetic block 10 is sleeved on the inner side wall of the mounting cavity 9 in a sliding manner, a pressure spring 16 is fixedly connected between the magnetic block 10 and the inner side wall of the mounting cavity 9, a first conducting plate 13 is sleeved on the inner top wall of the mounting cavity 9 in a sliding manner through a sliding groove 12, a second conducting plate 14 is inlaid on the inner side wall of one side of the sliding groove 12, a force sensitive resistor 15 is inlaid on the inner side wall of the other side of the sliding groove, the second conducting plate 14 is positioned at the inner side wall far away from one side of the sensing electromagnet 11, the force sensitive resistor 15 is positioned at the inner side wall close to one side of the sensing electromagnet 11, the sensing electromagnet 11 can generate magnetic force to attract the magnetic block 10 after being electrified, and the, the resistance is determined by the viscosity of the concrete, the viscosity of the concrete is related to the water content of the concrete, so the water content of the concrete can be determined according to the movement speed of the magnetic column 6, the movement speed of the magnetic column 6 determines the change speed of magnetic flux, namely the magnetic force of the induction electromagnet 11, whether water is supplemented or a water reducing agent is added is determined by the magnetic force of the induction electromagnet 11, and a plurality of groups of water adding mechanisms and water reducing mechanisms are arranged in the device shell 1.
The water adding mechanism comprises a water inlet hole 18 arranged on the side wall of the device shell 1 and a water pumping electromagnet 17 arranged in the side wall of the device shell 1, wherein two ends of the water inlet hole 18 are respectively provided with a one-way valve which only allows water to enter the water inlet hole 18 and then enter the device shell 1, the bottom wall of the water inlet hole 18 is hermetically and slidably sleeved with a water pumping plate 20 through a water storage tank 19, a water pumping spring 21 is fixedly connected between the water pumping plate 20 and the bottom wall of the water storage tank 19, the outer side wall of the device shell 1 is welded with a water tank 22, the water inlet hole 18 is communicated with the inside of the device shell 1 and the inside of the water tank 22, the water pumping plate 20 is a metal plate and can be attracted by the water pumping electromagnet 17 when the water pumping electromagnet 17 is electrified, and a pulse current can be generated due to the intermittent motion of the magnetic column 6, so that the water pumping electromagnet 20 can do a group of up-and-down reciprocating motion when the first conducting, the water in the water tank 22 is firstly pumped into the water storage tank 19 and then pumped into the device shell 1, and the water adding operation is completed.
The water splashing mechanism comprises a through hole 23 arranged in the side wall of the device shell 1, an electromagnetic valve 24 is arranged in the through hole 23, the electromagnetic valve 24 is a normally closed electromagnetic valve and can be opened when current reaches a certain value, the other end of the through hole 23 is connected with a water adding and reducing agent device, a water reducing agent can be added into the device after the through hole 23 is opened, the solenoid coil 8, the induction electromagnet 11, the force sensitive resistor 15, the electromagnetic valve 23, the first conducting plate 13, the second conducting plate 14 and the pumping electromagnet 17 are electrically connected through wires, as shown in fig. 5, the solenoid coil 8, the induction electromagnet 11, the force sensitive resistor 15 and the electromagnetic valve 23 are connected in series through wires in series to form a diode, and the first conducting plate 13, the second conducting plate 14 and the pumping electromagnet 17 are connected in series through wires and then.
At least six groups of mounting grooves 5, magnetic columns 6, return springs 7 and spiral coils 8 are arranged on the inner bottom wall of the device shell 1, and the included angle between each group is 60 degrees.
According to the concrete mixing device, after concrete is transported to a building site by a concrete truck, the concrete is placed in the device for storage, the motor 2 is started, the motor 2 drives the rotating plate 3 to rotate, the rotating plate 3 drives the permanent magnet 4 in the rotating plate to rotate around the circle center of the rotating plate 3, through the matching of the magnetic repulsion force of the permanent magnet 4 to the magnetic column 6 and the return spring 7, when the permanent magnet 4 and the magnetic column 6 are aligned, the magnetic repulsion force enables the magnetic column 6 to slide upwards, and when the permanent magnet 4 and the magnetic column are not aligned, the magnetic column 6 slides downwards under the elastic force action of the return spring 7, so that each cylinder does periodic up-and-down reciprocating motion, the concrete is slightly mixed, and the phenomenon that the concrete is placed for a;
along with the up-and-down movement of the magnetic column 6, when the magnetic column 6 slides out of the solenoid coil 8, induced current is generated in the solenoid coil 8 due to the change of magnetic flux, the induced current changes along with the change of the movement speed of the magnetic column, and the magnetic repulsion of the permanent magnet 4 to the magnetic column 6 is certain, so the resistance of the magnetic column 6 determines the movement speed of the magnetic column 6, the resistance is determined by the viscosity of concrete, the viscosity of the concrete is related to the water content of the concrete, the water content of the concrete can be determined according to the movement speed of the magnetic column 6, and the movement speed of the magnetic column 6 determines the change speed of the magnetic flux, namely the magnetic force of the induced current 11 of the magnet;
when the concrete has excessive moisture, the viscosity of the concrete is reduced, and at the moment, the speed of the magnetic column 6 sliding out of the solenoid coil 8 is increased, so that the induced current generated by the solenoid coil 8 is increased, namely the magnetic force of the induction electromagnet 112 is increased, the attraction force on the magnetic block 10 is increased, the pressure of the first conducting strip 13 on the force-sensitive resistor 15 is increased, along with the increase of the pressure, the resistance value of the force-sensitive resistor 15 is continuously reduced, the current in the circuit is increased until the current is increased to the opening threshold value of the electromagnetic valve 24, the electromagnetic valve 24 is opened, so that the water reducing agent is added into the concrete, and the internal moisture content is reduced;
when the concrete moisture is too little, the concrete viscosity grow, the resistance that the motion of magnetic column 6 received grow this moment, get the speed reduction of magnetic column 6 motion, thereby make the induced-current that solenoid 8 produced diminish, the magnetic force of induced electromagnet 11 diminishes promptly, the appeal to magnetic block 10 diminishes, under pressure spring 16 elastic force, first conducting strip 13 is close to second conducting strip 14 gradually, until the contact, make water pumping electro-magnet 17 circular telegram, make water pumping plate 20 up and down reciprocating motion, with the water in the water tank 22 in earlier the suction aqua storage tank 19, pump into in the device shell 1 again, pump into the concrete in the device shell through water pumping plate 20 with the water in the water tank 22, keep its inside moisture.
Although the terms of the device housing 1, the motor 2, the rotating plate 3, the permanent magnet 4, the mounting groove 5, the magnetic column 6, the return spring 7, the solenoid coil 8, the mounting cavity 9, the magnetic block 10, the induction electromagnet 11, the sliding groove 12, the first conductive plate 13, the second conductive plate 14, the force sensitive resistor 15, the pressure spring 16, the pumping electromagnet 17, the water inlet 18, the water storage tank 19, the pumping plate 20, the pumping spring 21, the water tank 22, the through hole 23, the electromagnetic valve 24, etc. are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (5)
1. The utility model provides a concrete moisture retention device for building site, includes that the cross-section is device shell (1) of opening character cut in bas-relief shape up, its characterized in that, device shell (1) has motor (2) through the scaffold weldment, the output shaft welding of motor (2) has rotor plate (3), surface mosaic has permanent magnet (4) on rotor plate (3), a plurality of magnetism posts (6) have been cup jointed through mounting groove (5) slip in device shell (1), fixedly connected with reset spring (7) between magnetism post (6) and mounting groove (5) bottom wall, mounting groove (5) inside wall is provided with solenoid (8), be provided with moisture induction system in device shell (1).
2. The concrete moisture retaining device for the building site according to claim 1, characterized in that, the moisture induction device includes an installation cavity (9) opened in the bottom wall of the device shell (1), the inner side wall of the installation cavity (9) is glued with an induction electromagnet (11), the inner side wall of the installation cavity (9) is slidably sleeved with a magnetic block (10), a pressure spring (16) is fixedly connected between the magnetic block (10) and the inner side wall of the installation cavity (9), the inner top wall of the installation cavity (9) is slidably sleeved with a first conducting plate (13) through a sliding groove (12), the inner side wall of one side of the sliding groove (12) is inlaid with a second conducting plate (14), the inner side wall of the other side is inlaid with a force-sensitive resistor (15), and a plurality of groups of water adding mechanisms and water reducing mechanisms are arranged in the device shell (1).
3. The concrete moisture retention device for the construction site as claimed in claim 2, wherein the water adding mechanism comprises a water inlet hole (18) formed in the side wall of the device shell (1) and a water pumping electromagnet (17) arranged in the side wall of the device shell (1), a water pumping plate (20) is sleeved on the bottom wall of the water inlet hole (18) in a sealing and sliding manner through a water storage tank (19), a water pumping spring (21) is fixedly connected between the water pumping plate (20) and the bottom wall of the water storage tank (19), a water tank (22) is welded on the outer side wall of the device shell (1), and the water inlet hole (18) is communicated with the inside of the device shell (1) and the inside of the water tank (22).
4. The concrete moisture retention device for the construction site as claimed in claim 3, wherein the water splashing mechanism comprises a through hole (23) formed in the side wall of the device shell (1), a solenoid valve (24) is arranged in the through hole (23), and the solenoid coil (8), the induction electromagnet (11), the force sensitive resistor (15), the solenoid valve (24), the first conductive sheet (13), the second conductive sheet (14) and the water pumping electromagnet (17) are electrically connected through wires.
5. The concrete moisture retention device for construction sites according to claim 1, characterized in that the mounting groove (5), the magnetic column (6), the return spring (7) and the spiral coil (8) are provided with at least six groups at the inner bottom wall of the device shell (1), and the included angle between each group is 60 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110029436.3A CN112847806B (en) | 2021-01-11 | 2021-01-11 | Concrete moisture retention device for building site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110029436.3A CN112847806B (en) | 2021-01-11 | 2021-01-11 | Concrete moisture retention device for building site |
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| Publication Number | Publication Date |
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| CN112847806A true CN112847806A (en) | 2021-05-28 |
| CN112847806B CN112847806B (en) | 2022-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110029436.3A Active CN112847806B (en) | 2021-01-11 | 2021-01-11 | Concrete moisture retention device for building site |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB263744A (en) * | 1925-12-23 | 1927-01-27 | Jackson & Church Company | Improvements in connection with feeders for mixing and other machines |
| CN205167229U (en) * | 2015-12-10 | 2016-04-20 | 北京正富混凝土有限责任公司 | From humidification concrete mixing plant |
| CN108312332A (en) * | 2018-04-02 | 2018-07-24 | 周玉良 | A kind of concrete mixer for road construction |
| CN108544662A (en) * | 2018-04-22 | 2018-09-18 | 谢燕玲 | A kind of concrete high-efficiency stirrer |
| CN108916447A (en) * | 2018-09-11 | 2018-11-30 | 徐阳 | A kind of water system automatic water cut-off device |
| CN109321014A (en) * | 2018-09-28 | 2019-02-12 | 福建闽华建材科技发展有限公司 | Environment-friendly high-molecular waterproof coating and production process and equipment thereof |
| CN110272156A (en) * | 2019-07-23 | 2019-09-24 | 杭州近源环保科技有限公司 | A kind of device improving sewage treatment water quality for end |
-
2021
- 2021-01-11 CN CN202110029436.3A patent/CN112847806B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB263744A (en) * | 1925-12-23 | 1927-01-27 | Jackson & Church Company | Improvements in connection with feeders for mixing and other machines |
| CN205167229U (en) * | 2015-12-10 | 2016-04-20 | 北京正富混凝土有限责任公司 | From humidification concrete mixing plant |
| CN108312332A (en) * | 2018-04-02 | 2018-07-24 | 周玉良 | A kind of concrete mixer for road construction |
| CN108544662A (en) * | 2018-04-22 | 2018-09-18 | 谢燕玲 | A kind of concrete high-efficiency stirrer |
| CN108916447A (en) * | 2018-09-11 | 2018-11-30 | 徐阳 | A kind of water system automatic water cut-off device |
| CN109321014A (en) * | 2018-09-28 | 2019-02-12 | 福建闽华建材科技发展有限公司 | Environment-friendly high-molecular waterproof coating and production process and equipment thereof |
| CN110272156A (en) * | 2019-07-23 | 2019-09-24 | 杭州近源环保科技有限公司 | A kind of device improving sewage treatment water quality for end |
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| CN112847806B (en) | 2022-07-22 |
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Effective date of registration: 20220630 Address after: 276800 No. 369, Shanghai Road, Rizhao City, Shandong Province Applicant after: Rizhao Sanhe Construction Engineering Co.,Ltd. Address before: Shanxi Chuangyi Concrete Co., Ltd Applicant before: Wu Shuangshuang |
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