CN108840256B - Self-climbing type blast furnace corridor installation device and construction method - Google Patents
Self-climbing type blast furnace corridor installation device and construction method Download PDFInfo
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- CN108840256B CN108840256B CN201810979565.7A CN201810979565A CN108840256B CN 108840256 B CN108840256 B CN 108840256B CN 201810979565 A CN201810979565 A CN 201810979565A CN 108840256 B CN108840256 B CN 108840256B
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- platform
- vestibule
- corridor
- truss
- movable trolley
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/88—Safety gear
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- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a self-climbing type blast furnace corridor installation device and a construction method, the corridor installation device comprises a movable trolley, a track, a safety platform and a walking device, the track is fixed on a corridor truss with gradient, the bottom of the movable trolley is provided with a roller wheel arranged on the track, the upper part of the movable trolley is provided with a hoisting device, firstly, the track is arranged on the corridor truss, then the movable trolley is arranged on the track by the aid of a truck crane, then a walking device and a hoisting device of the movable trolley are arranged, finally the safety platform is arranged on two sides of a gallery truss at the bottom of the movable trolley by the aid of a bearing rod, hoist and mount vestibule annex through jack-up hoist device, safety platform is the operation auxiliary platform of workman installation operation vestibule annex, and travelling car passes through the running gear drive and along track up-and-down motion on the vestibule truss, accomplishes the vestibule annex installation. The corridor mounting device is simple in structure and low in cost, and greatly improves the mounting safety and the construction efficiency of a corridor.
Description
Technical Field
The invention belongs to the field of metallurgical engineering steelmaking blast furnace installation, relates to a corridor installation technology, and particularly relates to a self-climbing type blast furnace corridor installation device and a construction method.
Background
In the metallurgical construction project, the installation of the vestibule is always a major difficulty and a key point, although a set of mature construction process technology is provided at present. However, in the middle and later stages of corridor installation, construction dangerousness and difficulty are still high due to a large amount of high-altitude operation of a gear supplementing process, the operation efficiency of constructors is difficult to improve, and the construction cost is continuously increased. At present, no hoisting device and technical process aiming at the construction of the corridor in the middle and later periods exist at home and abroad, and a safe and reliable corridor installation technology is urgently needed in order to save construction cost and improve construction operation safety.
Disclosure of Invention
The invention aims to solve the problems and aims at overcoming the defects of the existing corridor construction technology, and provides a self-climbing corridor installation device with a lifting system, which can perform lifting operation and simultaneously has self-climbing movement, provides a safety protection platform, and ensures safe, efficient and low-cost corridor construction.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a from climbing formula blast furnace vestibule installation device which characterized in that: including travelling car, track, safety platform and running gear, the track is fixed in on the vestibule truss that has the slope, the travelling car bottom is equipped with the gyro wheel of installing on the track, and travelling car upper portion is equipped with jack-up hoist device, safety platform passes through the load pole and installs the vestibule truss both sides in the travelling car bottom, jack-up hoist device is used for hoist and mount vestibule annex, safety platform is the operation auxiliary platform of workman installation operation vestibule annex, and travelling car passes through the running gear drive along track up-and-down motion on the vestibule truss.
As an improvement, the safety platform comprises two side platforms, the tops of the side platforms are fixedly arranged on the force bearing rods, and the bottoms of the two side platforms are connected through a detachable bottom platform to form an operation auxiliary platform with safety protection performance.
As the improvement, the bottom platform is formed by detachably connecting a left sub-platform and a right sub-platform through flanges, and the two sub-platforms are respectively hinged and connected with the bottoms of the side platforms on the two sides of the gallery truss.
As an improvement, the hoisting device comprises a three-degree-of-freedom mechanical arm, and an electric hoist for hoisting is arranged at the tail end of the three-degree-of-freedom mechanical arm.
As an improvement, the safety platform is formed by connecting steel pipes in a welding mode or connecting the steel pipes through fasteners.
As the improvement, the side platform and the bottom platform of the safety platform are both arranged in parallel with the gallery truss.
As an improvement, the traveling device comprises a winch, a steel wire rope and a fixed pulley arranged at the high point end of the corridor truss, the winch is fixedly arranged on the movable trolley, one end of the steel wire rope is fixed on the movable trolley, and the other end of the steel wire rope is fixed on a winding drum of the winch after bypassing the fixed pulley at the top of the corridor truss.
A self-climbing type blast furnace vestibule installation construction method is characterized by comprising the following steps:
firstly, installing a rail on a gallery truss by using the assistance of a truck crane, and installing a fixed pulley on the gallery truss above the rail;
secondly, mounting the movable trolley on the track, mounting a winch on the movable trolley, fixing the steel wire rope on the top of the movable trolley, then mounting the steel wire rope on the winch after bypassing the fixed pulley, and stopping the movable trolley at a fixed position on the track under the action of self gravity and the tension of the steel wire rope;
step three, mounting the hoisting device on a platform of the movable trolley;
step four, mounting the safety platform on two sides of a gallery truss at the bottom of the movable trolley through a bearing rod;
fifthly, driving a steel wire rope to pull the movable trolley to move on the rail through a winch, and enabling the movable trolley to reach a position where a corridor accessory needs to be installed on the corridor truss;
hoisting the corridor accessories by using the hoisting device to the safety platform, and installing the corridor accessories on the corridor truss and the safety platform by an operator;
and step seven, after the installation of the vestibule accessory is finished, the moving trolley is moved to the next position to be installed by using the winch, the vestibule accessory is installed according to the method in the step six, and after all the vestibule accessories on the vestibule truss are installed, the installation and construction of the blast furnace vestibule are finished.
As the improvement, safety platform includes two side platforms, side platform top fixed mounting is on the load pole, and two side platform bottoms link to each other through detachable bottom platform, constitute the operation auxiliary platform who has the safety protection performance, when safety platform removes the in-process along with the travelling car when the vestibule stand, open the bottom platform, after safety platform crossed the vestibule stand, close bottom platform and continue vestibule annex installation operation.
As the improvement, the bottom platform is formed by detachably connecting a left sub-platform and a right sub-platform through flanges, and the two sub-platforms are respectively hinged and connected with the bottoms of the side platforms on the two sides of the gallery truss.
The invention has the beneficial effects that:
(1) the device utilizes the gallery truss as a track foundation, realizes the positioning and installation of the track and the truss, and is laid and installed by the device per se to finish the installation independently.
(2) The device of the invention realizes free walking and self-climbing movement on the truss track by using the configured guide pulley and the electric winch.
(3) This device has designed mobilizable safety protection platform, and the vestibule truss is wrapped up to the platform is whole, has realized the safety protection of vestibule high altitude construction.
(4) After the device is installed, the scattered components in the middle and later periods of the corridor can be automatically supplemented, and the innovation of the construction process without the auxiliary crane is completed.
The safety platform is arranged below the movable trolley and plays a role in safety protection. Can prevent personnel from falling off at high altitude, prevent the falling of the working tool, and also can provide a working platform for working personnel. The device can be used for more efficiently and simply installing the shaft gallery of the blast furnace, saves the cost of installation labor and mechanical machine shifts, and improves the installation safety of the shaft gallery.
Drawings
FIG. 1 is a schematic view of the overall structure of a self-climbing type blast furnace vestibule installation device of the present invention;
FIG. 2 is a schematic cross-sectional view of the safety platform bottom of the self-climbing blast furnace vestibule installation apparatus of the present invention open over the vestibule columns;
FIG. 3 is a schematic cross-sectional view of the self-climbing type blast furnace vestibule installation apparatus with the safety platform bottom closed;
FIG. 4 is a schematic view I of a lifting vestibule accessory of the self-climbing type blast furnace vestibule installation device of the present invention;
FIG. 5 is a schematic view of a second hoisting vestibule accessory of the self-climbing type blast furnace vestibule installation device of the present invention;
FIG. 6 is a third schematic view of the self-climbing type blast furnace vestibule installation device hoisting vestibule accessories of the present invention;
1-gallery truss, 2-travelling bogie, 3-rail, 4-safety platform, 5-running gear, 6-roller, 7-hoisting device, 8-bearing rod, 9-chord, 10-web member, 11-top platform, 12-side platform, 13-sub platform, 14-articulated shaft, 15-gallery upright post, 16-flange, 17-fixed pulley, 18-wire rope, 19-winch, 20-suspension arm, 21-electric hoist, 22-gallery accessory.
Detailed Description
The invention is illustrated in the following with reference to the accompanying drawings.
The utility model discloses a blast furnace vestibule, including chord member 9, web member 10, diagonal brace, wherein chord member 9 of 1 top of vestibule truss is two straight member pieces, and the slope sets up, consequently can regard as track 3's best mounting point, can creep on the vestibule through simple device of climbing certainly, install vestibule truss 1 earlier in the vestibule installation generally, vestibule truss 1 includes that chord member 9 and web member 10 link to each other to form, still is connected with the bearing diagonal between chord member 9 and the web member 10.
As shown in fig. 1 to 6, the self-climbing type blast furnace vestibule installation device comprises a movable trolley 2, a track 3, a safety platform 4 and a walking device 5, wherein the track 3 is fixed on the upper chord member of a vestibule truss 1, the track 3 is a groove-shaped steel rail, the bottom of the movable trolley 2 is provided with a roller 6 arranged on the track 3, the cross section of the movable trolley 2 is of a triangular structure, the bottom of the movable trolley 2 is an inclined plane parallel to the chord member 9 of the vestibule truss 1, the top of the movable trolley 2 is a horizontal top platform 11, the top platform 11 is fixedly provided with a hoisting device 7, the safety platform 4 is arranged on two sides of the vestibule truss 1 at the bottom of the movable trolley 2 through a bearing rod 8, particularly, the safety platform 4 is arranged on two sides of the vestibule truss 1, the safety platform 4 is fixedly connected with the bottom of the bearing rod 8, the top of the bearing rod 8, keep the clearance between safety platform 4 and vestibule truss 1, like this when the motion of travelling car 2, safety platform 4 can be unobstructed slide along vestibule truss 1, jack-up hoist device 7 is used for hoisting vestibule annex 22, safety platform 4 is the operation auxiliary platform of workman installation operation vestibule annex 22, and travelling car 2 passes through 5 drives on vestibule truss 1 along track 3 up-and-down motion.
As shown in fig. 2 and 3, the safety platform 4 includes two side platforms 12, the top of each side platform 12 is fixedly mounted on the force bearing rod 8, and the bottoms of the two side platforms 12 are connected through a detachable bottom platform to form an operation auxiliary platform with safety protection performance; as a specific embodiment, the bottom platform is formed by detachably connecting a left sub-platform 13 and a right sub-platform 13 through a flange 16, and the two sub-platforms 13 are respectively hinged and connected with the bottoms of the side platforms 12 on the two sides of the gallery truss 1 through hinge shafts 14.
As a specific embodiment, the hoisting device 7 is a boom 20 with a revolving function, such as a three-degree-of-freedom mechanical arm, the end of the three-degree-of-freedom mechanical arm is provided with an electric hoist 21 for hoisting, of course, the electric hoist 21 may be replaced by a hoisting device commonly used in the prior art, such as a manual hoist, a winch, and the like, and the boom 20 may be another boom, such as a boom on a medium and small sized crane in the prior art.
As a specific embodiment, the safety platform 4 is formed by welding steel pipes or connecting the steel pipes through fasteners (such as scaffold fasteners), and is covered with a protective net on the outer side, and the side platform 12 and the bottom platform of the safety platform 4 are both arranged in parallel with the gallery truss 1.
As a specific embodiment, as shown in fig. 1, the traveling device 5 includes a hoist 19, a wire rope 18 and a fixed pulley 17 installed at a high point end of the gallery truss 1, the fixed pulley 17 is fixedly installed on an upper chord at a high position of the gallery truss 1, the hoist 19 is fixedly installed on the top platform 11 of the mobile trolley 2, one end of the wire rope 18 is fixed on the mobile trolley 2, and the other end of the wire rope 18 is fixed on a winding drum of the hoist 19 after passing through the fixed pulley 17 at the top of the gallery truss 1, and since the gallery truss 1 is inclined, the chord 9 and the rail 3 thereon are also inclined, the mobile trolley 2 automatically slides down under the action of gravity, and thus the wire rope 18 is fixed on the mobile trolley 2, then passes through the fixed pulley 17, and is then fixed on the winding drum of the hoist 19, so that the mobile trolley 2 can be kept in a relatively fixed position on the rail 3 by the tension of the wire rope 18, that is also be fixed at vestibule truss 1 relative position, when releasing wire rope 18 through hoist engine 19, travelling car 2 can descend along track 3 under the action of gravity, when tightening up wire rope 18, travelling car 2 can rise on vestibule truss 1 along track 3, the position of complete safety platform 4 removes, because wire rope 18 and fixed pulley 17's effect simultaneously, when hoist engine 19 tightens up wire rope 18 for 1 meter, travelling car 2 can only move 0.5 meter, can make hoist engine 19 output and draw power greatly.
A self-climbing type blast furnace vestibule installation and construction method comprises the following steps:
firstly, installing a rail 3 on a gallery truss 1 by using the assistance of an automobile crane, and installing a fixed pulley 17 on the gallery truss 1 above the rail 3;
step two, the movable trolley 2 is arranged on the track 3, the winch 19 is arranged on the movable trolley 2, the steel wire rope 18 is fixed at the top of the movable trolley 2, then the movable trolley 2 is arranged on the winch 19 after bypassing the fixed pulley 17, and the movable trolley 2 stays at a fixed position on the track 3 under the action of self gravity and the pulling force of the steel wire rope 18;
step three, installing the hoisting device 7 on the platform of the movable trolley 2;
step four, mounting the safety platform 4 on two sides of the gallery truss 1 at the bottom of the movable trolley 2 through the bearing rods 8;
fifthly, the winch 19 drives the steel wire rope 18 to pull the movable trolley 2 to move on the track 3 to reach the position, on the corridor truss 1, where the corridor accessory 22 needs to be installed;
hoisting the corridor accessories 22 by using the hoisting device 7 to the safety platform 4, and installing the corridor accessories 22 on the corridor truss 1 and the safety platform 4 by an operator; in fig. 4, the lifting and hoisting device 7 lifts the vestibule accessory 22, in fig. 5, the lifting and hoisting device 7 lifts the vestibule accessory 22 and transfers it to the installation position, in fig. 6, the lifting and hoisting device 7 places the vestibule accessory 22 at the installation position, and then moves it to the place where the vestibule accessory 22 is placed again to lift the next vestibule accessory 22;
and seventhly, after the vestibule accessory 22 is installed, the moving trolley 2 is moved to the next position to be installed by using the winch 19, the vestibule accessory 22 is installed according to the sixth method, and after all the vestibule accessories 22 on the vestibule truss 1 are installed, the installation construction of the blast furnace vestibule is completed.
When the safety platform 4 passes through the corridor stand column 15 in the moving process of the moving trolley 2, the connecting flange of the bottom platform is opened, the two sub-platforms 13 droop under the action of gravity, the safety platform 4 smoothly and unimpededly crosses the corridor stand column 15 along with the movement of the moving trolley 2, after the safety platform 4 crosses the corridor stand column 15, the connecting flange of the bottom platform is closed, the installation operation of the corridor accessory 22 is continued, certainly, in order to improve the convenience of the flange connection of the sub-platforms 13, a pull rope can be arranged on each sub-platform 13, the other end of the pull rope is fixed on the corridor truss 1, when the flange 16 is disassembled, the sub-platforms 13 droop along the hinge point under the action of gravity, the pull ropes are straightened and attached to the sub-platforms 13, the interference on the crossing of the corridor stand column 15 cannot be caused, after the safety platform 4 crosses the corridor stand column 15, the sub-platforms 13 are pulled to the, then the flange 16 is connected, and when the sub-platform 13 is pulled continuously according to the operation, the auxiliary pulling can be realized through the hoisting device 7 on the movable trolley 2, so that the manual pulling is prevented, or the operation danger of workers is increased.
In the invention, the safety platform 4 is arranged below the movable trolley 2 and plays a role of safety protection. Can prevent personnel from falling off at high altitude, prevent the falling of the working tool, and also can provide a working platform for working personnel.
In this embodiment, the illustrated vestibule attachment 22 refers to a few sporadic corner members other than the vestibule truss 1, such as reinforcement connectors, pads on the vestibule, attachment fixtures, etc., and may be used to mount other accessories or cables, pipes, etc.
Claims (8)
1. The utility model provides a from climbing formula blast furnace vestibule installation device which characterized in that: the corridor truss safety device comprises a movable trolley, a track, a safety platform and a walking device, wherein the track is fixed on a corridor truss with a slope, rollers installed on the track are arranged at the bottom of the movable trolley, a hoisting device is arranged at the upper part of the movable trolley, the safety platform is installed on two sides of the corridor truss at the bottom of the movable trolley through a force bearing rod, the hoisting device is used for hoisting corridor accessories, the safety platform is an operation auxiliary platform for workers to install and operate the corridor accessories, and the movable trolley is driven by the walking device to move up and down on the corridor truss along the track;
the safety platform comprises two side platforms, the tops of the side platforms are fixedly arranged on the force bearing rods, and the bottoms of the two side platforms are connected through a detachable bottom platform to form an operation auxiliary platform with safety protection performance;
the bottom platform is formed by detachably connecting a left sub-platform and a right sub-platform through flanges, and the two sub-platforms are respectively hinged to the bottoms of the side platforms on the two sides of the gallery truss.
2. The self-climbing blast furnace vestibule installation device of claim 1, characterized in that: the hoisting device comprises a three-degree-of-freedom mechanical arm, and an electric hoist for hoisting is arranged at the tail end of the three-degree-of-freedom mechanical arm.
3. The self-climbing blast furnace vestibule installation device of claim 1, characterized in that: the safety platform is formed by connecting steel pipes in a welding mode or connecting the steel pipes through fasteners.
4. The self-climbing blast furnace vestibule installation device of claim 1, characterized in that: the side platform and the bottom platform of the safety platform are both arranged in parallel with the corridor truss.
5. The self-climbing blast furnace vestibule installation device of claim 1, characterized in that: the travelling device comprises a winch, a steel wire rope and a fixed pulley arranged at the upper point end of the corridor truss, the winch is fixedly arranged on the movable trolley, one end of the steel wire rope is fixed on the movable trolley, and the other end of the steel wire rope is fixed on a winding drum of the winch after bypassing the fixed pulley at the top of the corridor truss.
6. A self-climbing blast furnace vestibule installation construction method using the self-climbing blast furnace vestibule installation device of claim 5, characterized by comprising the following steps:
firstly, installing a rail on a gallery truss by using the assistance of a truck crane, and installing a fixed pulley on the gallery truss above the rail;
secondly, mounting the movable trolley on the track, mounting a winch on the movable trolley, fixing the steel wire rope on the top of the movable trolley, then mounting the steel wire rope on the winch after bypassing the fixed pulley, and stopping the movable trolley at a fixed position on the track under the action of self gravity and the tension of the steel wire rope;
step three, mounting the hoisting device on a platform of the movable trolley;
step four, mounting the safety platform on two sides of a gallery truss at the bottom of the movable trolley through a bearing rod;
fifthly, driving a steel wire rope to pull the movable trolley to move on the rail through a winch, and enabling the movable trolley to reach a position where a corridor accessory needs to be installed on the corridor truss;
hoisting the corridor accessories by using the hoisting device to the safety platform, and installing the corridor accessories on the corridor truss and the safety platform by an operator;
and step seven, after the installation of the vestibule accessory is finished, the moving trolley is moved to the next position to be installed by using the winch, the vestibule accessory is installed according to the method in the step six, and after all the vestibule accessories on the vestibule truss are installed, the installation and construction of the blast furnace vestibule are finished.
7. The installation and construction method of the self-climbing type blast furnace vestibule according to claim 6, characterized in that: safety platform includes two side platforms, side platform top fixed mounting is on the load pole, and two side platform bottoms link to each other through detachable bottom platform, constitute the operation auxiliary platform who has the safety protection performance, when safety platform moves the in-process along with the travelling car when the vestibule stand, open the bottom platform, after safety platform crossed the vestibule stand, close the bottom platform and continue vestibule annex installation operation.
8. The installation and construction method of the self-climbing type blast furnace vestibule according to claim 6, characterized in that: the bottom platform is formed by detachably connecting a left sub-platform and a right sub-platform through flanges, and the two sub-platforms are respectively hinged to the bottoms of the side platforms on the two sides of the gallery truss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810979565.7A CN108840256B (en) | 2018-08-27 | 2018-08-27 | Self-climbing type blast furnace corridor installation device and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810979565.7A CN108840256B (en) | 2018-08-27 | 2018-08-27 | Self-climbing type blast furnace corridor installation device and construction method |
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| CN108840256A CN108840256A (en) | 2018-11-20 |
| CN108840256B true CN108840256B (en) | 2020-06-16 |
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| CN203269405U (en) * | 2013-04-29 | 2013-11-06 | 云南建工安装股份有限公司 | Hoisting device for mounting side plates and upright columns of gas cabinet |
| CN203834353U (en) * | 2014-01-26 | 2014-09-17 | 中建钢构有限公司 | Beam bottom operating device |
| CN205204688U (en) * | 2015-11-12 | 2016-05-04 | 山东恒堃机械有限公司 | Assembly type structure prefabricated component's lifting device |
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