CN106348144A - Elevator explosion-resistant balancing weight preparation process - Google Patents
Elevator explosion-resistant balancing weight preparation process Download PDFInfo
- Publication number
- CN106348144A CN106348144A CN201610820809.8A CN201610820809A CN106348144A CN 106348144 A CN106348144 A CN 106348144A CN 201610820809 A CN201610820809 A CN 201610820809A CN 106348144 A CN106348144 A CN 106348144A
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- China
- Prior art keywords
- balancing weight
- uprising
- elevator
- explosion
- pouring weight
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B17/00—Hoistway equipment
- B66B17/12—Counterpoises
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- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention discloses an elevator explosion-resistant balancing weight preparation process. A steel bar grid framework is used as a body, and a composite material prepared from, by mass, iron ores 40-50%, metal scraps 5-10%, barite 15-20%, high-strength cement 8-15%, curing agent 5-8% and water 3-5% is cast into the framework. A vibratory casting mode is adopted during casting, and finally steam curing and strengthening are performed. By the adoption of the elevator explosion-resistant balancing weight preparation process, the highest impact resistance of a developed explosion-resistant balancing weight product can be up to 122 pa, the highest compressive resistance can be up to 38 mpa, the explosion-resistant performance is excellent and good, the mechanical performance is also good, and the explosion-proof performance, mechanical performance and size compaction performance can be basically compatible.
Description
Technical field
The present invention relates to the formula of elevator counterweight block and Technology field, the more particularly to uprising balancing weight system of elevator
Standby technique.
Background technology
Chinese patent application, application number: 200710034823.6, Publication No. cn101054144a, disclose a kind of electricity
Ladder to pouring weight and its manufacture method, includings procedure below: by pulverizing, clean, 60-70 weight portion of ore deposit spar of drying and iron powder
10-15 weight portion, 8-15 weight portion of cement etc. add 5-7 weight portion water be obtained wet feed, by molding, the demoulding, maintenance,
Hardening, gets product to pouring weight.Described in this application to pouring weight and cast iron to pouring weight compared with low cost, without element sulphur chemical
Matter is stable.To the manufacture method of pouring weight it is not necessary to special equipment described in this application, processing step is simple, easily realizes mechanization,
Low in the pollution of the environment, cheap for manufacturing cost.
Application number: 200710197052.2, disclose a kind of elevator counterweight block and its production method, including following mistake
Journey: first make the metal shell being made up of iron plate, metal shell is divided into iron plate container and cover two parts, be 40- using iron content
48%th, 71-80 weight portion of the iron powder of water content 5-8%, iron content is 60-65%, 10-14 weight portion of iron powder of water content 5-8%,
10-15 weight portion of cement is raw material, after agitated machine stirs, makes compound, and compound is defeated with conveyer belt
Deliver to forcing press and be automatically pressed into required module, then be delivered in iron plate container by conveyer belt, through maintenance, treat completely hard to pouring weight
After change, cover cover, be welded, be i.e. finished product.Mechanized operation, speed of production are realized in the production of this elevator counterweight block
Hurry up, pouring weight is enclosed in metal shell, not oxidizable, pollute little, environmental protection, with low cost.
Application number: 200810029431.5, disclose a kind of method that utilization steel slag forms elevator counterweight block: using containing
Iron is the steel slag of 30-40%, thickness is 0.78-0.82 millimeter iron plate and water mud as a raw material, including procedure below: 1. make
Make to pouring weight metal shell;2. steel scrap Slag treatment: steel slag is first crushed again through powder beater, makes particle diameter be less than 3 millimeters
?；3. spice: weigh raw material: steel slag 90-94%, cement 6-10%, water 5-6% by following weight ratio, agitated machine fully stirs
After mixing uniformly, make compound;4. molding: compound conveyer belt is delivered to forcing press and is automatically pressed into required module, then
It is delivered in the iron plate container made by step 1 by conveyer belt；5. maintain: maintenance 6-8 days, after fully hardened to pouring weight, lid
Upper cover, is welded, finished product.
The elevator counterweight block that is obtained using above-mentioned raw materials and method although the elevator counterweight block lighter weight that obtains, but
It is its uprising poor-performing.
Content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the invention provides elevator uprising balancing weight preparation technology, its purpose
It is the uprising performance improving to pouring weight, develops a kind of shock resistance and be not less than 100mpa, compressive resistance is not less than the uprising counterweight of 30mpa and produces
Product.
The technical solution adopted in the present invention is: elevator uprising balancing weight preparation technology, based on steel grid skeleton,
The iron tailings stone of the material of mass ratio: 40-50%, the metal debris of 5-10%, the barite of 15-20%, 8- is poured into a mould into it
The composite of the water of 15% high-strength cement, the sealing compound of 5-8% and 3-5%；Vibrating casting mode is adopted during cast, the most laggard
Row steam curing is strengthened.
Further, into steel grid skeleton, the mass ratio of the material of cast is: the iron tailings stone of 42-49%, 6-8%
Metal debris, the barite of 16-18%, the composite of the water of the high-strength cement of 10-15%, the sealing compound of 6-8% and 4-5%.
Further, during vibrating casting, when the frequency of vibration of casting machine is 25hz, vibrate 5-7min, it is right that cast obtains
The cinder hole of pouring weight, pore, crackle, shrinkage cavity, shrinkage cavity tendency are little, thus ensure that obtain has higher mechanical property to pouring weight
Can, it is further ensured that its uprising performance.
Further, during vibrating casting, when the frequency of vibration of casting machine is 50hz, vibrate 2-4min, prepared to pouring weight,
With respect to casting machine frequency of vibration be 25hz when, vibration 5-7min be obtained to pouring weight, have identical mechanical property and
Uprising performance.
Further, steam curing strengthening step, steam ambient pouring weight being placed in steam kettle is maintained 24-72h, and
And press 2-4kg/m3 addition sodium hydroxide in steam course, till fully hardened to pouring weight, prepared resists to pouring weight
Sudden and violent performance is optimal.
Compared with prior art, the invention has the beneficial effects as follows: the elevator uprising balancing weight preparation technology of the present invention, develop
Uprising counterweight product shock resistance reach as high as 122mpa, compressive resistance reaches as high as 38mpa, uprising excellent performance.
Specific embodiment
In order to deepen the understanding of the present invention, with reference to embodiment, the present invention is further described, and this embodiment is only used
In explaining the present invention, protection scope of the present invention is not constituted and limit.
Embodiment 1
Elevator uprising balancing weight preparation technology, to place, using welding or binding, the steel grid making 120x120x120cm
Skeleton, pour into a mould the material of mass ratio into it: 50% iron tailings stone, 12% metal debris, 20% barite, 12%
The composite of the water of high-strength cement, 5% sealing compound and 3%；Adopt vibrating casting mode during cast, finally carry out steam curing
Strengthening.During vibrating casting, when the frequency of vibration of casting machine is 50hz, vibrate 2min.
In the present embodiment, steam curing strengthening step, steam ambient pouring weight being placed in steam kettle is maintained 24-
72h, and press 2kg/m3 in steam course and add sodium hydroxide, till fully hardened to pouring weight, prepared to pouring weight
1.
Embodiment 2
As different from Example 1, in the present embodiment, steam curing strengthening step, steaming pouring weight being placed in steam kettle
Vapour environment maintains 48h, and presses 3kg/m3 addition sodium hydroxide, till fully hardened to pouring weight, system in steam course
To pouring weight 2.
Embodiment 3
Elevator uprising balancing weight preparation technology, to place, using welding or binding, the steel grid making 120x120x120cm
Skeleton, pour into a mould the material of mass ratio into it: 45% iron tailings stone, 10% metal debris, 20% barite, 15%
The composite of the water of high-strength cement, 5% sealing compound and 5%；Adopt vibrating casting mode during cast, finally carry out steam curing
Strengthening.
In the present embodiment, during vibrating casting, with respect to casting machine frequency of vibration be 25hz when, vibration 5-7min be obtained
To pouring weight 3.
In the present embodiment, steam curing strengthening step, steam ambient pouring weight being placed in steam kettle is maintained 24-
72h, and press 2-4kg/m3 in steam course and add sodium hydroxide, till fully hardened to pouring weight, prepared counterweight
The uprising performance of block is optimal.
Embodiment 4
As different from Example 2, in the present embodiment, steam curing strengthening step, steaming pouring weight being placed in steam kettle
Vapour environment maintains 48h, and presses 3kg/m3 addition sodium hydroxide, till fully hardened to pouring weight, system in steam course
To pouring weight 4.
Embodiment 5
Elevator uprising balancing weight preparation technology, to place, using welding or binding, the steel grid making 120x120x120cm
Skeleton, pour into a mould the material of mass ratio into it: 49% iron tailings stone, 8% metal debris, 18% barite, 15%
The composite of the water of high-strength cement, 5% sealing compound and 5%；Adopt vibrating casting mode during cast, finally carry out steam curing
Strengthening.During vibrating casting, when the frequency of vibration of casting machine is 50hz, vibrate 2min.
In the present embodiment, steam curing strengthening step, steam ambient pouring weight being placed in steam kettle is maintained 48h,
And press 3kg/m3 in steam course and add sodium hydroxide, till fully hardened to pouring weight, prepared to pouring weight 5.
Embodiment 6
As different from Example 5, in the present embodiment, steam curing strengthening step, steaming pouring weight being placed in steam kettle
Vapour environment maintains 24h, and presses 4kg/m3 addition sodium hydroxide, till fully hardened to pouring weight, system in steam course
To pouring weight 6.
To be obtained in above-described embodiment 1,2,3,4,5 and 6 to pouring weight 1, to pouring weight 2, to pouring weight 3, to pouring weight 4, counterweight
Block 5 and to pouring weight 6, carries out dimensional measurement and mechanical property, corrosion resistance and explosion-proof performance test, the length and width being wherein obtained
Gao Cong little to being followed successively by greatly to pouring weight 1, to pouring weight 2, to pouring weight 3, to pouring weight 5, to pouring weight 6 with to pouring weight 4, mechanical property from
Big to little arrangement with size from small to large put in order consistent.
And stronger being followed successively by of uprising combination property that above-mentioned test obtains: to pouring weight 1, to pouring weight 3, to pouring weight 2, counterweight
Block 6, to pouring weight 5 with to pouring weight 4, its impact strength is followed successively by: 122mpa, 120mpa, 117mpa, 113mpa, 108mpa,
104mpa；Uprising counterweight product shock resistance reaches as high as 122mpa, and compressive resistance reaches as high as 38mpa, uprising excellent performance.
Find from above-mentioned two groups contrasts, its uprising performance good, its mechanical property also well, so its explosion-proof
Energy, mechanical property and three kinds of performances of compact dimensions performance substantially can reach compatibility.
What embodiments of the invention were announced is preferred embodiment, but is not limited thereto, the ordinary skill people of this area
Member, easily according to above-described embodiment, understands the spirit of the present invention, and makes different amplifications and change, but as long as without departing from this
The spirit of invention, all within the scope of the present invention.
Claims (5)
1. elevator uprising balancing weight preparation technology it is characterised in that: based on steel grid skeleton, pour into a mould matter into it
The material of amount ratio: the iron tailings stone of 40-50%, the metal debris of 5-10%, the barite of 15-20%, the high-strength cement of 8-15%, 5-
8% sealing compound and the composite of the water of 3-5%；Adopt vibrating casting mode during cast, finally carry out steam curing strengthening.
2. the uprising balancing weight preparation technology of elevator according to claim 1 it is characterised in that: pour into steel grid skeleton
The mass ratio of the material of note is: the iron tailings stone of 42-49%, the metal debris of 6-8%, the barite of 16-18%, the height of 10-15%
The composite of the water of strong cement, the sealing compound of 6-8% and 4-5%.
3. the uprising balancing weight preparation technology of elevator according to claim 1 it is characterised in that: during vibrating casting, casting machine
Frequency of vibration be 25hz when, vibrate 5-7min.
4. the uprising balancing weight preparation technology of elevator according to claim 1 it is characterised in that: during vibrating casting, casting machine
Frequency of vibration be 50hz when, vibrate 2-4min.
5. the uprising balancing weight preparation technology of elevator according to claim 1 it is characterised in that: steam curing strengthening step,
Steam ambient pouring weight being placed in steam kettle is maintained 24-72h, and presses 2-4kg/m3 in steam course and add hydrogen-oxygen
Change sodium, till fully hardened to pouring weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610820809.8A CN106348144A (en) | 2016-09-13 | 2016-09-13 | Elevator explosion-resistant balancing weight preparation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610820809.8A CN106348144A (en) | 2016-09-13 | 2016-09-13 | Elevator explosion-resistant balancing weight preparation process |
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| Publication Number | Publication Date |
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| CN106348144A true CN106348144A (en) | 2017-01-25 |
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ID=57857886
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| CN201610820809.8A Pending CN106348144A (en) | 2016-09-13 | 2016-09-13 | Elevator explosion-resistant balancing weight preparation process |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6475389A (en) * | 1987-09-18 | 1989-03-22 | Hitachi Ltd | Balance weight for elevator |
| CN1709783A (en) * | 2005-06-24 | 2005-12-21 | 西子奥的斯电梯有限公司 | Elevator synthetic counterpoise and its manufacturing method |
| CN101112960A (en) * | 2007-06-25 | 2008-01-30 | 黄业华 | Processing technology for counterweight |
| CN103979391A (en) * | 2014-04-24 | 2014-08-13 | 宣城市华菱精工科技股份有限公司 | Integrated elevator counterweight filler of concrete |
| CN104743987A (en) * | 2015-04-02 | 2015-07-01 | 中国矿业大学(北京) | Polypropylene active powder anti-explosion concrete and preparation method thereof |
| CN105036632A (en) * | 2015-09-08 | 2015-11-11 | 日立电梯（中国）有限公司 | Synthesized counterweight filler |
-
2016
- 2016-09-13 CN CN201610820809.8A patent/CN106348144A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6475389A (en) * | 1987-09-18 | 1989-03-22 | Hitachi Ltd | Balance weight for elevator |
| CN1709783A (en) * | 2005-06-24 | 2005-12-21 | 西子奥的斯电梯有限公司 | Elevator synthetic counterpoise and its manufacturing method |
| CN101112960A (en) * | 2007-06-25 | 2008-01-30 | 黄业华 | Processing technology for counterweight |
| CN103979391A (en) * | 2014-04-24 | 2014-08-13 | 宣城市华菱精工科技股份有限公司 | Integrated elevator counterweight filler of concrete |
| CN104743987A (en) * | 2015-04-02 | 2015-07-01 | 中国矿业大学(北京) | Polypropylene active powder anti-explosion concrete and preparation method thereof |
| CN105036632A (en) * | 2015-09-08 | 2015-11-11 | 日立电梯（中国）有限公司 | Synthesized counterweight filler |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170125 |