CN109205469A - A kind of split type structure of electric block and its electric control system - Google Patents
A kind of split type structure of electric block and its electric control system Download PDFInfo
- Publication number
- CN109205469A CN109205469A CN201811175277.2A CN201811175277A CN109205469A CN 109205469 A CN109205469 A CN 109205469A CN 201811175277 A CN201811175277 A CN 201811175277A CN 109205469 A CN109205469 A CN 109205469A
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- CN
- China
- Prior art keywords
- cable
- electric
- electric block
- control box
- pulley
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/12—Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/22—Control systems or devices for electric drives
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention discloses a kind of portable electric blocks, it constitutes the electric control box for including electric block and being connected by towing cable with the electric block, the electric control box is arranged on inspection platform or ground by control box bracket, and the towing cable is suspended on along the cable wire that i-beam track tightens setting by pulley；One end of the cable wire is fixed on the front end of the i-beam track, and the other end is fixed on the i-beam track end, and uses flower basket bolt by Cable tension.The invention belongs to the transformation to existing electric block and its electric control system set-up mode, improved advantage is: save manpower and time resource, it can be ensured that blast furnace is blown on time；Convenient maintenance in time, reduces task difficulty, can be very good the life security for guaranteeing service personnel.
Description
Technical field
The present invention relates to the set-up modes of a kind of electric block and its electric control system.
Background technique
In blast furnace is built and overhauled, many equipment hoistings will use electric block, and under normal circumstances, all do not have
Inspection platform for overhauling electric block is set.So when the case where electrical equipment damage occurs in electric block, just
It to be placed under repair using lift to the electrical equipment of electric block.Because the environment at blast furnace scene is more complicated, some places
It has no idea at all using lift, causes service personnel that have to climb to going to overhaul on electric block track, therefore,
Great security risk is brought to the safety of service personnel.
Fig. 1 shows a day maintenance situation for steel 3200m3 blast furnace.
It as seen from the figure, is furnace top hydraulic platform 2 positioned at 43 meters of eminences of blast-furnace body 1, positioned at the 83 of blast-furnace body 1
Rice eminence is inspection platform 5, is arranged on the top of inspection platform 5 by i-beam track 4 and is pressed for overhauling or replacing blast furnace
The electric block 3 of valve and shut-off valve.
Since the general shape of the blast-furnace body 1 is tapered structure, so, when needing replacing blast furnace valve,
Standby valve can not be directly transported on 83 meters high of inspection platform 5 from ground, can only first be hung it from ground with lifting equipment
It is filled on 43 meters high of furnace top hydraulic platform 2, then is hung on 83 meters of inspection platform 5 with electric block 3, and in order to
Lifting is convenient, and the i-beam track 4 to run electric block 3 will lean out inspection platform 5 up to 8 meters or so using length.
But belong to outdoor equipment positioned at the electric block in 83 meters of high-altitudes 3, through exposing to the weather, electric control box it is old
Change extremely serious, so that in the hoisting process of electric block 3, showing for unexpected failure when weight is suspended in midair often occurs
As to extend the blast furnace staying time, influencing normally to produce order so that more changing jobs for blast furnace valve can not be normally carried out
Sequence.
And when 3 unexpected failure of electric block, since electric block 3 is in the i-beam track 4 for leaning out inspection platform 5
On, and its control cabinet is integrated with formula structure again, so, repairing operating personnel must be climbed along i-beam track 4 to height
Other than 83 meters of inspection platform 5, with head-down posture, using the method for forcing electric block 3 to decline, by the weight of suspention
Object is put back on the furnace top hydraulic platform 2 of 43 meters of height, is then hung up properly the guide chain for pulling electric block 3, then along I-steel
Track 4 is climbed back on 83 meters high of inspection platform 5, is finally organized sizable human and material resources again, and use the comparable time, is used
Electric block 3 is towed back to inspection platform 5 by guide chain, is placed under repair to its electric control box.
It can be seen that the integral structure of electric block and its electric control system, has the disadvantage in that
(1) it is unfavorable for the safe handling of electric block, influences being normally carried out for blast fumance；
(2) great difficulty not only is caused to the maintenance of its control system, also the manpower very in waste maintenance construction, material resources
And the time；
(3) greatly threaten the life security of upkeep operation personnel.
Summary of the invention
Problem to be solved by this invention, the shortcomings that exactly overcoming the above-mentioned prior art, and provide thus a kind of based on side
Just it overhauls, improve efficiency, the split type knot of many-sided electric block considered and its electric control system such as protection staff safety
Structure.
The technical scheme is that
A kind of portable electric block, including electric block and the electrical control being connected by towing cable with the electric block
Case, the electric control box are arranged on inspection platform or ground by control box bracket, and the towing cable is outstanding by pulley
It hangs over along the cable wire that i-beam track tightens setting；One end of the cable wire is fixed on the front end of the i-beam track,
The other end is fixed on the i-beam track end, and so that cable wire is not had sag as far as possible Cable tension using flower basket bolt.
The control box bracket is made with 40 × 4 angle steel.
The height of the control box bracket is according to the distance of the height center of the electric control box after installation to inspection platform
For 1.4 meters of determinations.
The diameter specifications of the cable wire are ∮ 8.
From control cabinet to the end of i-beam track, select suitable position for each towing cable installation piping, it is described to match
The diameter of pipe should not interfere cable to be pierced by out of pipe.
It is welded on the traveling wheel baffle of the electric block with 40 × 4 angle steel, the traction device as towing cable.
The setting quantity of the pulley determines that under normal circumstances, the spacing of two neighboring pulley is according to the length of cable wire
1.5 meters, and the length of two neighboring pulley room cable will exceed 1.5 meters, common setting is the length of cable beyond pulley room
Away from 900mm-1100mm, it is preferably selected as 1000mm.
The towing cable selects YJV series power cable, wherein and the cable model for bridge motor is YJV-5 × 4,
Cable model for movable motor is YJV-3 × 2.5.
It is improved to have the invention belongs to the transformation to existing electric block and its electric control system set-up mode
Beneficial effect shows in the following areas:
(1) save manpower and time resource, it can be ensured that blast furnace is blown on time:
Before transformation, if electric block failure outside platform, generally require 8 to 9 people with guide chain by electric block pull return in
The inspection platform of 83 meters of height, wastes time and human resources；After transformation, set because electric control box is separated with electric block
It sets, and electric control box is located on inspection platform, so, it is no longer necessary to electric block is pulled back inspection platform by manpower, only
Need an electrician that can repair the circuit control of electric block, the minimum time for saving 1 hour.
(2) convenient maintenance in time, can be very good the life security for guaranteeing service personnel:
Before transformation, if electric block failure outside platform, repairing operating personnel must be along the i-beam track for being higher than 83 meters
It climbs, first puts down the weight of suspention back and forth, then electric block is pulled into back inspection platform and is repaired, it is difficult to ensure the person
Safety: after transformation, due to the split type setting of electric block and its electric control system, repair personnel can be directly to setting
Electric control system on inspection platform carries out repairing operation, and both there are also four sides guardrails for spaciousness for inspection platform, without height
Idle job facilitates repairing operation, greatly reduces task difficulty and operation risk, and personal safety is guaranteed.
Detailed description of the invention
Fig. 1 is the facilities schematic diagram of existing electric block Yu its electric control system；
Fig. 2 is the facilities schematic diagram of electric block and its electric control system of the invention.
Specific embodiment
In order to make the present invention be easier to be understood, it is made with detailed below in conjunction with Fig. 1, embodiment shown in Fig. 2
Explanation.
Referring to fig. 2, the split type structure of electric block of the invention and its electric control system, including 3 He of electric block
The electric control box 7 being connected by towing cable 6 with the electric block 3, the electric control box 7 pass through control box bracket 8
It is arranged on inspection platform 5, the towing cable 6 is suspended on along the cable wire 9 that i-beam track 4 tightens setting by pulley；Institute
The one end for stating cable wire 9 is fixed on the front end of the i-beam track 4, and other end connection setting is at 4 end of i-beam track
The flower basket bolt at end.
Existing electric block and its electric control system set-up mode is transformed in the present invention, reforming mode
It is:
(1) the original electric control box 7 with 3 integral type of electric block installation is removed；
(2) with 40 × 4 angle steel production control box bracket 8, and guarantee that its height can make electric control box 7 mounted thereto
Distance of the height center away from inspection platform be 1.4 meters；
(3) using welding method by the control box bracket 8 be welded on inspection platform 5 convenient for electric control box 7 operation and
The position of maintenance, and electric control box 7 is installed on it；
(4) selecting diameter specifications is that the wirerope of ∮ 8 is tightened along the i-beam track 4, as the steel for supporting the towing cable 6
Rope 9, and one end is fixed in the front end of the i-beam track 4, then, flower is installed in the end of the i-beam track 4
Basket bolt, and the other end of the cable wire 9 is connect and exceptionally straight with the flower basket bolt, there had better not be sag；
(5) according to the position of the electric control box 7 at a distance from the i-beam track 4, from electric control box 7 to I-shaped
The end of steel track 4 selects suitable position to be piped each cable, what the diameter of pipe depended on being passed through
Cable thickness, not interfere preferably cable pipe；
(6) in order to which the towing cable 6 drags sliding block on the cable wire 9, pulley can be installed on the cable wire 9, pulley
Installation number can be determined according to the length of the cable wire 8, be that 1.5 meter amperes of interval fill a pulley in the present embodiment；
(7) on the baffle of 3 traveling wheel of electric block, the angle steel that one piece 40 × 4 of welding, the traction as the towing cable 6
Device.
The selection of 6 thickness of towing cable is big according to the power of bridge motor and movable motor on the electric block 3
It is small to determine.Under normal circumstances, the power cable of motor should select YJV power cable, and the power of motor is bigger, the load of cable
Flow is bigger, and cable used is thicker.Electric block in the present embodiment is 10T, and bridge motor is 5.5KW, walking electricity
Machine is 2.2KW, therefore the cable that specification is YJV-5 × 4 is selected to be used for bridge motor, and selecting specification is the cable of YJV-3 × 2.5
For movable motor.
The towing cable 6 after control cabinet extraction, initially pass through pre-set protecting the piping of cable, then draw
To the end of the cable wire 9, then the towing cable 6 is consolidated with first pulley for being mounted on 9 end of cable wire with iron wiring
It is fixed, then successively fixed with each pulley.Because the quantity of the pulley is averagely to be separated by 1.5 according to the length of the cable wire 9
Meter ampere fills one, so, the length of every two pulley room towing cable 6 will exceed 1.5 meters.General setting range can be
Between 900mm-1100mm, the setting of the present embodiment is above 1000mm.
After the cable 6 is fixed with the last one pulley on the cable wire 9, by the end of the towing cable 6 with it is described
The traction device connection being welded in advance with 40 × 4 angle steel on electric block 3, and aperture is pacified on the traction device
Strain relief clamp is filled, is fixed thereon the towing cable 6 firmly, it is electric from traction device to lifting finally to reserve the towing cable 6
Simultaneously wiring is truncated, to complete the split type peace of electric block Yu its electric control box in length required for machine and movable motor
Dress.
It can also be retrofitted on ground according to blast furnace scene or the needs of maintenance construction, the electric control box 7.
The split type structure of electric block and its electric control system of the invention, the prior art of ratio can be saved and be robbed
The time is repaired, use manpower and material resources sparingly resource, improves working efficiency, guarantees that blast furnace can blow production on time, guarantees that human life pacifies
Entirely, there is good practicability.
Above by reference to drawings and examples to the split type structure of electric block of the invention and its electric control system into
Schematic description is gone.Those skilled in the art will be understood that in practical applications, the setting side of the utility model
Certain changes may occur for formula, and other staff may also make similar Design under its enlightenment.It should be pointed out that only
Design aim of the invention, all obvious changes and similar Design are not departed from, protection of the invention is all contained in
Within the scope of.
Claims (1)
1. a kind of portable electric block, including electric block and the electric-controlled being connected by towing cable with the electric block
Case processed, characterized in that the electric control box is arranged on inspection platform or ground by control box bracket, and described drags
Cable is suspended on along the cable wire that i-beam track tightens setting by pulley；One end of the cable wire is fixed on the I-steel
The front end of track, the other end is fixed on the i-beam track end, and uses flower basket bolt by Cable tension；Described
Box bracket is controlled to make with 40 × 4 angle steel；The height of the control box bracket is according to the height of the electric control box after installation
The distance of center to inspection platform is 1.4 meters of determinations；The diameter specifications of the cable wire are ∮ 8；From control cabinet to i-beam track
End, select suitable position for the installation piping of each towing cable, the diameter of the piping should not interfere cable out of pipe
It is pierced by；The towing cable traction device being welded with 40 × 4 angle steel is provided on the traveling wheel baffle of the electric block；Institute
The spacing for stating two neighboring pulley on cable wire is 1.5 meters；The length of two neighboring pulley room cable beyond two pulley rooms away from
900mm-1100mm；The length of two neighboring pulley room cable is beyond two pulley rooms away from 1000mm；The towing cable selects YJV system
Column power cable, wherein the cable model for bridge motor is YJV-5 × 4, and the cable model for movable motor is
YJV-3×2.5；The inspection platform is detachable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811175277.2A CN109205469A (en) | 2018-10-10 | 2018-10-10 | A kind of split type structure of electric block and its electric control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811175277.2A CN109205469A (en) | 2018-10-10 | 2018-10-10 | A kind of split type structure of electric block and its electric control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109205469A true CN109205469A (en) | 2019-01-15 |
Family
ID=64982811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811175277.2A Withdrawn CN109205469A (en) | 2018-10-10 | 2018-10-10 | A kind of split type structure of electric block and its electric control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109205469A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114577019A (en) * | 2020-12-02 | 2022-06-03 | 中铝国际工程股份有限公司 | Automatic control method and system for flue shutter |
-
2018
- 2018-10-10 CN CN201811175277.2A patent/CN109205469A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114577019A (en) * | 2020-12-02 | 2022-06-03 | 中铝国际工程股份有限公司 | Automatic control method and system for flue shutter |
| CN114577019B (en) * | 2020-12-02 | 2024-01-26 | 中铝国际工程股份有限公司 | Automatic control method and control system for flue flashboard |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190115 |