CN2091324U - Electric stripping unit - Google Patents
Electric stripping unit Download PDFInfo
- Publication number
- CN2091324U CN2091324U CN 91204157 CN91204157U CN2091324U CN 2091324 U CN2091324 U CN 2091324U CN 91204157 CN91204157 CN 91204157 CN 91204157 U CN91204157 U CN 91204157U CN 2091324 U CN2091324 U CN 2091324U
- Authority
- CN
- China
- Prior art keywords
- stripping unit
- rectifier
- electric stripping
- electric
- adjustable transformer
- Prior art date
- 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.)
- Expired - Lifetime
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- Manufacturing Of Electrical Connectors (AREA)
Abstract
The utility model provides an electric stripping unit, comprising a crust, a voltage-regulating transformer, a rectifier, a positive electrode and a negative electrode, a conductor wire of electric power source and a plug. The conductor wire of electric power source and the plug are connected with the input end of voltage-regulating transformer and the output end of voltage-regulating transformer is connected with rectifier which is connected with two electrodes. The working voltage of the electric stripping unit is 0 volt to 36 volt. When the moulding board of the electric stripping unit carries out demould, positive electrode can be connected with concrete which is not in initial set and negative electrode is connected with moulding board without brushing any release agents, so surface pollution of concrete is avoided and material, manpower and time are saved. The electric stripping unit can be used for various metal moulding boards in construction, in particular to slipform.
Description
The utility model belongs to a kind of device that is used for the metal form demoulding.
Use the metal form fluid concrete, before each cast, all need on template, to brush release agent, i.e. interleaving agent.Release agent is used oil, emulsification release agent etc. normally, and the use of these release agents can bring pollution to concrete surface, and demoulding expense is very high, wastes time and energy.Moreover in the slding form operation, template is difficult to the brushing release agent, even it is also poor to have coated effect, influences the slding form operation workmanship.These quality problems are not resolved with conventional method for a long time always.
The purpose of this utility model provides a kind of new type of metal template electricity stripper apparatus, utilizes the electric field that applies between water-bearing concreae and the template that template and concrete are broken away from.
Electric stripping unit of the present utility model, mainly form by shell, adjustable transformer, rectifier, positive electrode, negative electrode, power lead and plug, power lead and plug link to each other with the input of adjustable transformer, the output of adjustable transformer is connected with rectifier, and rectifier links to each other with two electrodes.
The input termination of its adjustable transformer is connected with a fuse, switch, resistance and indicator lamp, and the output of rectifier connects a voltmeter, an ammeter and a fuse.
The input terminal voltage of transformer is 220 volts, and output is 0～36 volt.
Use for convenient, adjustable transformer and rectifier can replace with charger.
In order to improve demoulding efficiency, rectifier can also be connected with an impulse generator, and its frequency is 0～20000 hertz.
When Electric stripping unit of the present utility model is used, positive electrode is inserted in the template as yet not in the concrete of initial set, negative electrode is linked to each other with the edge of template, attaching plug links to each other with power supply, applied an electric field for template and concrete, the colloidal solid of concrete belt negative electrical charge is moved towards anode direction, and produce electrophoretic effect, this effect impels concrete particulate fraction to produce the microdisplacement that leaves template surface.In contrast, in continuing galvanization, ion hydration positively charged in the concrete moves towards cathode direction again, and electroosmotic effect has taken place, and this effect impels moisture to assemble to template surface again.Simultaneously, because electrolysis has also taken place in moisture in the process of energising, make cathode surface produce bubble hydrogen, therefore, on template surface, formed the lubricious separation layer of the very thin gentle coexistence of one deck water as negative electrode, thereby removed the adhesion stress between concrete and the template, reached the purpose that concrete is easy to the demoulding.
Because the voltage that the utility model uses in the safe voltage scope, therefore has no adverse effects to human body, and has saved the man power and material of brushing template, has prevented the pollution of concrete surface, and facing work is carried out easily.Use in the slding form operation that is difficult to the brushing release agent, can reduce the load of hoisting mechanism in the slding form operation, template is to concrete frictional force when reducing climbing shuttering.
Electric stripping unit of the present utility model can be applicable to various metal forms, it both can the limit energising, the limit demoulding, also can electricity charged after the demoulding immediately.The zero-time of switching on can be switched in half an hour before initial set after concrete pouring any time, and the concluding time of energising can finish after initial set immediately, and afterwards still in energising, its stripping result is identical as initial set.Therefore, the flexibility of construction is very big, can satisfy the requirement of different construction sequences, and does not influence the concrete construction of normally carrying out, and has equipment characteristics simple, easy to operate, that concrete and reinforcing bar are had no adverse effects.
The power consumption of this Electric stripping unit adds equipment depreciation amortization charge usefulness, and every square meter only is 0.05～0.06 yuan, and wherein every square meter power consumption is about 0.02 degree, closes 0.005 yuan, and 0.036 yuan of equipment amortization charge adds up to about 0.04 yuan.If with the demoulding of used oil class release agent, every square meter is about 0.12 yuan, with the demoulding of emulsification release agent, every square meter is about 0.12～0.20 yuan, and as seen, the utility model is all saved demoulding expense than any release agent.Not only can be applied in the concrete construction, also can use in other cementitious material (as gypsum), its effect is identical.
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 is the profile of the utility model embodiment and uses schematic diagram.
Fig. 2 is the circuit diagram of the utility model embodiment.
As shown in Figure 1, the used metal form 1 of the utility model is the common metal template, and the negative electrode 3 in the Electric stripping unit 2 is connected with template 1 edge.One end of positive electrode 4 is a metal bar, can insert water-bearing concreae 5 inside in the template.The ratio of the insertion area of metal bar and the area of template is generally about 1/30～1/60.Power lead and plug 6 link to each other with power supply.
In the Electric stripping unit circuit diagram of Fig. 2, the input B of adjustable transformer
1Be connected to a fuse L
1,
K switch, resistance R and indicator lamp N, the output B of rectifier
2Connect rectifier D, rectifier connects a voltmeter V, an ammeter A and a fuse L again
2In actual applications, adjustable transformer and rectifier also can replace with charger.In order to raise the efficiency, the output of rectifier can with an impulse generator S
1Connect, its pulse frequency can be 0～20000 hertz.
Claims (6)
1, a kind of Electric stripping unit, it is characterized in that: it mainly is made up of shell, adjustable transformer, rectifier, positive electrode, negative electrode, power lead and plug, power lead and plug link to each other with the input of adjustable transformer, the output of adjustable transformer is connected with rectifier, and rectifier links to each other with two electrodes.
2, Electric stripping unit according to claim 1, it is characterized in that: the input termination of described adjustable transformer is connected with a fuse, switch, resistance and indicator lamp, and the output of rectifier connects a voltmeter, an ammeter and a fuse.
3, Electric stripping unit according to claim 1 is characterized in that: the input terminal voltage of described adjustable transformer is 220 volts, and output is 0～36 volt.
4, Electric stripping unit according to claim 1 is characterized in that: described adjustable transformer and rectifier can replace with charger.
5, Electric stripping unit according to claim 1 is characterized in that: described rectifier can also be connected with an impulse generator.
6, Electric stripping unit according to claim 5 is characterized in that: the frequency of described impulse generator is 0～20000 hertz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91204157 CN2091324U (en) | 1991-03-22 | 1991-03-22 | Electric stripping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91204157 CN2091324U (en) | 1991-03-22 | 1991-03-22 | Electric stripping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2091324U true CN2091324U (en) | 1991-12-25 |
Family
ID=4914309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91204157 Expired - Lifetime CN2091324U (en) | 1991-03-22 | 1991-03-22 | Electric stripping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2091324U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818569A (en) * | 2010-05-17 | 2010-09-01 | 龚文跃 | Demoulding method for metal template and cement product |
| CN103643796A (en) * | 2013-12-12 | 2014-03-19 | 张学亮 | Demolding device for metal formworks |
| EP3795776A1 (en) * | 2019-09-20 | 2021-03-24 | Outinord St Amand | Electrical polarisation device for facilitating the form removal of a reinforced concrete wall capable of being mounted on a form panel |
| WO2021084212A1 (en) * | 2019-10-31 | 2021-05-06 | Outinord St Amand | Electrical polarization for removing a formwork from a shuttered reinforced-concrete wall |
-
1991
- 1991-03-22 CN CN 91204157 patent/CN2091324U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818569A (en) * | 2010-05-17 | 2010-09-01 | 龚文跃 | Demoulding method for metal template and cement product |
| CN103643796A (en) * | 2013-12-12 | 2014-03-19 | 张学亮 | Demolding device for metal formworks |
| EP3795776A1 (en) * | 2019-09-20 | 2021-03-24 | Outinord St Amand | Electrical polarisation device for facilitating the form removal of a reinforced concrete wall capable of being mounted on a form panel |
| WO2021084212A1 (en) * | 2019-10-31 | 2021-05-06 | Outinord St Amand | Electrical polarization for removing a formwork from a shuttered reinforced-concrete wall |
| FR3102783A1 (en) * | 2019-10-31 | 2021-05-07 | Outinord St Amand | ELECTRICAL POLARIZATION WITH A VIEW TO DECOFTING A REINFORCED CONCRETE WALL BENCH |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |