CN112252482B - Hydraulic lifting device for steel structure roof and construction method thereof - Google Patents
Hydraulic lifting device for steel structure roof and construction method thereof Download PDFInfo
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- CN112252482B CN112252482B CN202011418317.9A CN202011418317A CN112252482B CN 112252482 B CN112252482 B CN 112252482B CN 202011418317 A CN202011418317 A CN 202011418317A CN 112252482 B CN112252482 B CN 112252482B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
- E04B1/3511—Lift-slab; characterised by a purely vertical lifting of floors or roofs or parts thereof
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/342—Structures covering a large free area, whether open-sided or not, e.g. hangars, halls
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
- E04B2001/3588—Extraordinary methods of construction, e.g. lift-slab, jack-block using special lifting or handling devices, e.g. gantries, overhead conveying rails
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Abstract
The application relates to the technical field of steel structure hydraulic lifting, in particular to a steel structure roof hydraulic lifting device and a construction method thereof, the steel structure roof hydraulic lifting device comprises a support arranged on the top end of a concrete column, two hydraulic lifters and two steel strands, a truss is placed between the two concrete columns, the support is fixedly connected with the concrete column, the hydraulic lifters are fixedly connected with the support, the steel strands are arranged between the hydraulic lifters and the truss, two ends of the steel strands are respectively fixedly connected with the hydraulic lifters and the truss, and a balance detection device is arranged at the bottom end of the truss. The method and the device have the effect of reducing the operation risk in the truss installation process.
Description
Technical Field
The application relates to the technical field of steel structure hydraulic lifting, in particular to a steel structure roof hydraulic lifting device and a construction method thereof.
Background
At present, along with the rapid development of steel structure technology, more and more steel structures go into people's life, and the existing steel structure is usually combined with concrete columns as a roof, especially buildings of venues and exhibition halls.
The existing steel structure roof mostly utilizes a plurality of large-span trusses as supports, and two ends of the large-span trusses are respectively and fixedly connected with two concrete columns. When the truss is installed, the truss is generally transported to a construction site, and then the truss is lifted to a designated position in sections by using a crane, and then the truss is sequentially welded and fixed at high altitude.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: due to the complex structure and high requirement on installation precision of the large-span truss, the operation risk is high in the process of overhead welding.
Disclosure of Invention
In order to reduce the operation risk in the truss installation process, the application provides a steel structure roof hydraulic lifting device and a construction method thereof.
In a first aspect, the application provides a steel structure roof hydraulic lifting device which adopts the following technical scheme:
the utility model provides a steel construction room lid hydraulic lifting device and construction method thereof, hoisting device is including setting up support, hydraulic pressure lifting mechanism and the steel strand wires on concrete column top, and the concrete column is provided with two, has placed the truss between two concrete columns, and support and concrete column fixed connection, hydraulic pressure lifting mechanism and support fixed connection, the steel strand wires setting is between hydraulic pressure lifting mechanism and truss, the both ends of steel strand wires respectively with hydraulic pressure lifting mechanism and truss fixed connection, the bottom of truss is provided with balanced detection device.
Through adopting above-mentioned technical scheme, when using hoisting device to promote steel construction room lid, at first assemble the truss and fix on ground and finish, then with hydraulic pressure lifting mechanism and support fixed connection, be connected the one end and the hydraulic pressure lifting mechanism of steel strand wires again, then remove the support to the top of concrete column, be connected the support with the concrete column and fix, then bottom and the truss fixed connection of steel strand wires again, start hydraulic pressure lifting mechanism and drive the truss rebound through steel strand wires, simultaneously at the end installation balanced detection device of truss, ensure to increase the horizontal degree in the lifting process, avoid the truss to take place the slope and lead to the truss to produce the variant, finish through fixing the truss in the bottom, promote the top to the concrete column again, the purpose of operation risk in the reduction truss installation has been reached.
Preferably, the top fixedly connected with backup pad of support, backup pad and hydraulic pressure lifting mechanism fixed connection, the fixed cover in bottom of support, fixed cover are established in the outside of concrete column, are provided with clamping components between fixed cover and the concrete column.
Through adopting above-mentioned technical scheme, during the installing support, because support and fixed cover fixed connection, so remove the support and drive fixed cover and establish on the top of concrete column, then utilize clamping components to fix fixed cover and concrete column, promote the stability of fixed cover and concrete column after being connected.
Preferably, the clamping assembly comprises a clamping screw and a clamping plate, the clamping screw is in threaded connection with the side wall of the fixing sleeve, the clamping plate is arranged between the fixing sleeve and the concrete column, and one end of the clamping screw penetrates through the fixing sleeve to be fixedly connected with the clamping plate.
Through adopting above-mentioned technical scheme, when using clamping unit, rotate and press from both sides tight lead screw and drive clamp plate and concrete column butt, owing to press from both sides tight lead screw and fixed cover threaded connection, so press from both sides tight lead screw and fixed cover and keep fixed, clamping unit simple structure, convenient to use promote the convenience when using.
Preferably, a reinforcing rod is arranged between the supporting plate and the fixing sleeve, and two ends of the reinforcing rod are fixedly connected with the supporting plate and the fixing sleeve respectively.
Through adopting above-mentioned technical scheme, because the both ends of stiffener respectively with backup pad and fixed cover fixed connection, through setting up the stiffener, promote the bearing capacity of backup pad, further promote the stability when backup pad uses.
Preferably, the balance detection device comprises a balance rod, a suspension rope and a balance weight ball, the balance rod is arranged at the bottom end of the truss, a hanging device is arranged between the two ends of the balance rod and the truss, one end of the suspension rope is fixedly connected with the balance rod, the other end of the suspension rope is fixedly connected with the balance weight ball, and an offset alarm is arranged between the suspension rope and the balance rod.
By adopting the technical scheme, as the two ends of the balance rod are fixedly connected with the truss through the hanging device, the truss drives the balance rod to move and rise, and when the truss deviates, the truss is driven to deviate; because the both ends of suspension rope respectively with balancing pole and counter weight ball fixed connection, when the balancing pole takes place the skew, because suspension rope makes suspension rope perpendicular ground all the time at the counter weight ball under the action of gravity, so the angle between suspension rope and the balancing pole takes place the skew, triggers the skew alarm after taking place the skew between suspension rope and the balancing pole, and the skew alarm reminds constructor truss lifting process to take place the skew, makes the staff utilize hydraulic pressure lifting mechanism to adjust the levelness of truss.
Preferably, the deviation alarm comprises a first plate, a second plate and a triggering device, the first plate and the second plate are respectively arranged on two sides of the suspension rope, the first plate and the second plate are fixedly connected with the balance rod, the triggering device comprises a laser emitting device, a laser receiving device and an alarm, the laser emitting device is fixedly connected with the first plate, the laser receiving device is fixedly connected with the second plate, the suspension rope is located between the laser emitting device and the laser receiving device, the laser receiving device is connected with the alarm through a control line, and the alarm is fixedly connected with the second plate.
By adopting the technical scheme, the first plate and the second plate are fixedly connected with the balance rod, so that the first plate and the second plate are lifted together with the balance rod, and the laser receiving device cannot receive laser of the laser emitting device because the suspension rope is positioned between the laser emitting device and the laser receiving device; when the truss deviates, the truss drives the first plate and the second plate to rotate, the laser emitting device and the laser receiving device are fixedly connected with the first plate and the second plate respectively, so that the first plate and the second plate are provided with the movable triggering devices which incline along with the balance rod, the suspension rope is not arranged between the laser emitting device and the laser receiving device, the laser receiving device receives laser emitted by the laser emitting device, and the laser receiving device is connected with the alarm through a control line, so that the laser receiving device controls the alarm to give an alarm to remind a constructor that the truss deviates, and leveling is performed in time.
Preferably, the hanging device comprises a hanging rod and a hook, one end of the hanging rod is fixedly connected with the balance rod, the other end of the hanging rod is fixedly connected with the hook, and the hook is matched with the truss in a hanging mode.
By adopting the technical scheme, when the balance rod is installed, one end of the hanging rod is fixedly connected with the balance rod, and the other end of the hanging rod is fixedly connected with the hook, so that the movable balance rod drives the hook to be in hanging connection with the truss through the hanging rod, and the balance rod is fixedly connected with the truss.
Preferably, the balancing pole includes dead lever and movable rod, dead lever and suspension rope fixed connection, and the movable rod is provided with two, and two movable rods set up respectively at the both ends of dead lever, two movable rods respectively with two articulate pole fixed connection, all be provided with adjusting part between two movable rods and the dead lever.
Through adopting above-mentioned technical scheme, the balancing pole sets up to dead lever and movable rod, and two movable rods hang pole fixed connection with two respectively to set up adjusting part between dead lever and movable rod, utilize adjusting part to adjust the position between dead lever and the movable rod, thereby adjust the length of balancing pole, make the balancing pole be applicable to the truss of not logical length, flexibility when promoting balanced detection device and using.
Preferably, the adjusting assembly comprises two adjusting grooves and two adjusting bolts, the two adjusting grooves are respectively formed in two ends of the fixing rod, the two movable rods are respectively inserted into the two adjusting grooves, the adjusting bolts are in threaded connection with the side walls of the adjusting grooves, and one ends of the adjusting bolts penetrate through the side walls of the adjusting grooves to be abutted to the movable rods.
Through adopting above-mentioned technical scheme, when adjusting the position between movable rod and the dead lever, at first rotate adjusting bolt and keep away from the movable rod, then promote the movable rod, because the cooperation of pegging graft of movable rod and adjustment tank, so the movable rod slides in the adjustment tank, when the length of balancing pole was adjusted to suitable position, rotate adjusting bolt and movable rod butt, it is fixed with the dead lever to fix the movable rod, adjusting part simple structure, simple to operate promote the convenience when balancing pole adjusts.
In a second aspect, the application provides a construction method of a hydraulic lifting device for a steel structure roof, which comprises the following steps:
s1, truss installation: firstly, hoisting trusses processed in a segmented mode in a factory to a position between two concrete columns in a segmented mode, and then sequentially welding and fixing a plurality of segments of trusses;
s2, installing a lifting device: fixedly connecting a hydraulic lifter with a support plate, penetrating one end of a steel strand through the support plate and then connecting the steel strand with the hydraulic lifter, moving a support to drive a fixing sleeve to the top end of the concrete column so that the fixing sleeve is sleeved at the top end of the concrete column, rotating a clamping screw to drive a clamping plate to abut against the side wall of the concrete column, fixing the fixing sleeve with the concrete column, and connecting the steel strand with a truss;
s3, lifting the truss for the first time: starting a hydraulic lifter to drive the truss to rise for a certain distance through a steel strand, and then closing the hydraulic lifter;
s4, mounting a balance detection device: rotating the adjusting bolt to be far away from the movable rod, pushing the movable rod to slide in the adjusting groove, then adjusting the length of the balance rod according to the length of the truss, and after the length of the balance rod is adjusted, rotating the adjusting bolt to be abutted against the movable rod to fix the movable rod and the fixed rod; then moving the balance rod to drive the hanging and connecting rod to the bottom end of the truss, so that the hook is in hanging fit with the connecting rod piece on the truss, and the hook is fixed with the truss;
s5, lifting the truss again: starting a hydraulic lifter to drive a truss to ascend through a steel strand, driving a balancing rod to ascend through a hanging rod by the truss, and driving a balancing ball to ascend through a suspension rope by the balancing rod;
s6, truss deviation alarm: when the truss deviates, the truss drives the balance rod to deviate through the hanging rod, the balance rod drives the triggering device to deviate through the first plate and the second plate, the suspension rope is always in a vertical state under the influence of the gravity of the counterweight ball, the suspension rope is far away from the laser emitting device and the laser receiving device at the moment, the laser receiving device receives laser emitted by the laser emitting device, and the laser receiving device controls the alarm to give an alarm;
s7, truss adjustment: the hydraulic lifter at the lower end of the truss is independently started, the hydraulic lifter is utilized to drive the lower end of the truss to ascend, so that the truss is gradually in a horizontal state, the truss drives the suspension rope to be positioned between the laser generating device and the laser receiving device through the balancing rod, and the alarm does not give an alarm at the moment;
s8, continuously lifting the truss: and simultaneously starting the two hydraulic lifters to drive the truss to horizontally ascend to the top end of the concrete column, and finishing the integral lifting of the truss.
By adopting the technical scheme, the truss is hoisted between the two concrete columns in sections, and then the truss is spliced and fixed on the ground, so that the splicing and fixing precision of the truss is improved, and the danger of high-altitude operation is reduced; then, a lifting device is arranged to lift the truss, the support is fixed with the concrete column, and then the hydraulic lifter is fixed with the support to provide a working platform for the hydraulic lifter to lift the truss; then, after the truss is lifted by a distance, a balance detection device is conveniently installed at the bottom end of the truss, and the horizontal state of the truss is detected by using the balance detection device in the process of continuously lifting the truss, so that the truss is prevented from being deformed due to inclination of the truss in the lifting process, or the stress of a steel strand at one end of the truss is prevented from being too large; finally, the stable lifting of the truss is ensured, and the purpose of reducing the operation risk in the truss installation process is achieved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the support, the hydraulic lifter and the steel strand, after the truss is assembled on the ground, the hydraulic lifter drives the truss to ascend through the steel strand, so that the aim of reducing the operation risk in the truss installation process is fulfilled;
2. the fixing sleeve is arranged between the support and the concrete column, so that convenience in connection and fixation of the support and the concrete column is improved;
3. the bottom end of the truss is provided with the balance detection device, so that the horizontal lifting of the truss in the lifting process is ensured, and the truss is prevented from inclining in the lifting process to cause the deformation of the truss.
Drawings
FIG. 1 is a schematic structural diagram of the present application;
FIG. 2 is a schematic view intended to show the fixing of a bracket to a concrete column;
FIG. 3 is a schematic view for illustrating the balance of the balance detecting means;
FIG. 4 is a schematic diagram intended to show an offset warning device;
FIG. 5 is a schematic view intended to show a hitch;
fig. 6 is a schematic view intended to show a carrying device.
In the figure, 1, a bracket; 11. a support plate; 12. fixing a sleeve; 13. a reinforcing bar; 2. a hydraulic lifter; 3. steel strand wires; 4. a concrete column; 5. a truss; 6. a clamping assembly; 61. clamping the screw rod; 62. a clamping plate; 7. an adjustment assembly; 71. an adjustment groove; 72. adjusting the bolt; 8. a balance detection device; 81. a balancing pole; 811. fixing the rod; 812. a movable rod; 82. a suspension rope; 83. a counterweight ball; 9. an offset alarm; 91. a first plate; 92. a second plate; 93. a trigger device; 931. a laser emitting device; 932. a laser receiving device; 933. an alarm; 10. a hitch device; 101. a suspension rod; 102. hooking; 20. a carrying device; 201. a carrier plate; 202. a fixing plate; 30. disassembling the assembly; 301. a dovetail groove; 302. a dovetail block.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses steel construction room lid hydraulic lifting device. Referring to fig. 1, a steel construction room lid hydraulic lifting device is including setting up support 1 on 4 tops of concrete column, hydraulic pressure lifting mechanism 2 and steel strand wires 3, concrete column 4 is vertical to be provided with two, truss 5 has been placed between two concrete columns 4, support 1 of the equal vertical fixed connection in top of every concrete column 4, hydraulic pressure lifting mechanism 2 of the equal fixed connection in top of every support 1, steel strand wires 3 are all connected to every hydraulic pressure lifting mechanism 2, hydraulic pressure lifting mechanism 2's one end and truss 5 fixed connection are kept away from to every steel strand wires 3, the bottom of truss 5 is provided with balanced detection device 8, be provided with between truss 5 and the concrete column 4 and bear device 20. When the lifting device is used, firstly, the trusses 5 are hoisted to the position between the two concrete columns 4 in a segmented mode, and then the trusses 5 of different segments are connected and fixed; and then the hydraulic lifter 2 is fixed with the support 1, then the steel strand 3 is connected with the hydraulic lifter 2, the support 1 is lifted to the top end of the concrete column 4 by using a crane, the support 1 is fixed with the concrete, and then the hydraulic lifter 2 is started to drive the truss 5 to ascend for a period of time, and then the balance detection device 8 is installed at the bottom end of the truss 5, so that the purpose of reducing the operation risk in the installation process of the truss 5 is achieved.
Referring to fig. 1 and 2, a supporting plate 11 is arranged at the top end of a support 1, the supporting plate 11 is fixedly connected with the support 1, one end of the supporting plate 11 extends out of the top end of a concrete column 4, a hydraulic lifter 2 is fixedly connected with one end of the supporting plate 11 extending out of the concrete column 4, one end of a steel strand 3 passes through the supporting plate 11 to be connected with the hydraulic lifter 2, the steel strand 3 is slidably connected with the supporting plate 11, a fixing sleeve 12 is fixedly connected with the bottom end of the support 1, the fixing sleeve 12 is sleeved outside the concrete column 4, a clamping assembly 6 is arranged between the fixing sleeve 12 and the concrete column 4, the clamping assembly 6 comprises a clamping screw 61 and a clamping plate 62, the clamping screw 61 is in threaded connection with the side wall of the fixing sleeve 12, the clamping plate 62 is circular, the clamping plate 62 is arranged between the fixing sleeve 12 and the concrete column, when the fixed sleeve 12 is fixed with the concrete column 4, one end of the clamping plate 62 far away from the clamping screw 61 is abutted against the concrete column 4; be provided with stiffener 13 between backup pad 11 and the fixed cover 12, stiffener 13 slope sets up, and the both ends of stiffener 13 respectively with the bottom of backup pad 11 and the lateral wall fixed connection of fixed cover 12. When installing support 1, at first with the top fixed connection of hydraulic pressure lifting mechanism 2 and backup pad 11, then pass backup pad 11 with the one end of steel strand wires 3 and be connected with hydraulic pressure lifting mechanism 2 again, then remove support 1 again and drive fixed cover 12 cover and establish the top at concrete column 4, rotate the lateral wall butt that presss from both sides tight lead screw 61 and drive clamp plate 62 and concrete column 4, will fix fixed cover 12 and concrete column 4.
Referring to fig. 3 and 4, the balance detection device 8 includes a balance bar 81, a suspension rope 82 and a counterweight ball 83, the balance bar 81 is horizontally disposed at the bottom end of the truss 5, two ends of the balance bar 81 are flush with two ends of the truss 5, hitching devices 10 are disposed between two ends of the balance bar 81 and the truss 5, the suspension rope 82 is vertically disposed, the top end of the suspension rope 82 is fixedly connected with the balance bar 81, the bottom end of the suspension rope 82 is fixedly connected with the counterweight ball 83, an offset alarm 9 is disposed between the suspension rope 82 and the balance bar 81, the offset alarm 9 includes a first plate 91, a second plate 92 and a trigger device 93, the first plate 91 and the second plate 92 are vertically disposed at a point of the balance bar 81, the first plate 91 and the second plate 92 are respectively disposed at two sides of the suspension rope 82, the top ends of the first plate 91 and the second plate 92 are fixedly connected with the balance bar 81, the trigger device 93 includes a laser emission device 931, a counterweight ball 931, Laser receiver 932 and alarm 933, laser emitter 931 and the bottom fixed connection of first board 91, laser receiver 932 and the bottom fixed connection of second board 92, the hanging rope 82 is located between laser emitter 931 and laser receiver 932, laser receiver 932 and alarm 933 pass through the control line and are connected, alarm 933 and second board 92 keep away from a lateral wall fixed connection of first board 91. When the truss 5 drives the balance rod 81 to incline, the balance rod 81 drives the first plate 91 and the second plate 92 to incline, the suspension rope 82 is far away from the laser emitting device 931 and the laser receiving device 932, the laser receiving device 932 receives laser emitted by the laser emitting device 931, the laser receiving device 932 controls the alarm 933 to give an alarm, a constructor adjusts the power of the hydraulic lifter 2 in time to level the truss 5, the suspension rope 82 is located between the laser receiving device 932 and the laser emitting device 931, and the alarm 933 stops giving an alarm at the moment.
Referring to fig. 4 and 5, the balance bar 81 includes a fixed bar 811 and a movable bar 812, one fixed bar 811 is provided, two movable bars 812 are provided, the fixed bar 811 and the movable bar 812 are both horizontally provided, the suspension rope 82, the first plate 91 and the second plate 92 are all fixedly connected with the fixed bar 811, the two movable bars 812 are respectively provided at both ends of the fixed bar 811, and the two movable bars 812 are both fixedly connected with the truss 5 through the hanging device 10; all be provided with adjusting part 7 between two movable rod 812 and the dead lever 811, adjusting part 7 includes adjustment tank 71 and adjusting bolt 72, adjustment tank 71 is provided with two, two adjustment tank 71 are seted up respectively at the both ends of dead lever 811, two adjustment tank 71 intercommunication, the one end that hitching device 10 was kept away from to two movable rod 812 is pegged graft respectively in two adjustment tank 71, adjusting bolt 72 is provided with two, two adjusting bolt 72 respectively with the lateral wall threaded connection of two adjustment tank 71, the lateral wall and the movable rod 812 butt of adjustment tank 71 are all passed to the one end of every adjusting bolt 72. When the balance bar 81 is adjusted, the adjusting bolt 72 is firstly rotated to be away from the movable bar 812, then the movable bar 812 is moved to slide in the adjusting groove 71, and when the length of the balance bar 81 is adjusted to a proper length, the adjusting bolt 72 is rotated to abut against the movable bar 812, so that the movable bar 812 and the fixed bar 811 are fixed.
Referring to fig. 5, the hanging device 10 includes a hanging rod and a hook 102, the hanging rod is vertically disposed, the bottom end of the hanging rod is fixedly connected to the balance rod 81, the top end of the hanging rod is fixedly connected to the hook 102, the hook 102 is C-shaped, and the hook 102 is in hanging fit with the rod member on the truss 5. When the hanging device 10 is used, the balance rod 81 is moved to drive the hanging rod 101 to the bottom end of the truss 5, so that the hanging rod 101 drives the hook 102 to be matched with the rod piece of the truss 5 in a hanging mode, and the balance rod 81 is connected and fixed with the truss 5.
Referring to fig. 6, the bearing device 20 includes a bearing plate 201 and a fixing plate 202, the fixing plate 202 is vertically disposed, the fixing plate 202 is pre-embedded on the side wall of the concrete column, the bearing plate 201 is perpendicular to the fixing plate 202, a detaching assembly 30 is disposed between the bearing plate 201 and the fixing plate 202, the detaching assembly 30 includes a dovetail groove 301 and a dovetail block 302, the dovetail groove 301 is disposed on the side wall of the fixing plate 202, the dovetail groove 301 penetrates through two end faces of the fixing plate 202, the dovetail block 302 is fixedly connected with the bearing plate 201, and the dovetail block 302 is matched with the dovetail.
The implementation principle of the steel structure roof hydraulic lifting device and the construction method thereof in the embodiment of the application is as follows: firstly, hoisting a truss 5 between two concrete columns 4 in sections by using a crane, then welding and fixing the truss 5 into a whole, fixedly connecting a hydraulic lifter 2 with a support plate 11, and enabling one end of a steel strand 3 to penetrate through the support plate 11; then, the support 1 is moved to the top end of the concrete column 4 by using a crane, the fixed sleeve 12 is sleeved at the top end of the concrete column 4, and then the clamping screw 61 is rotated to drive the clamping plate 62 to abut against the concrete column 4; then, the bottom end of the steel strand 3 is fixedly connected with the truss 5, and the hydraulic lifter 2 is started to drive the truss 5 to ascend for a distance; rotating the adjusting bolt 72 to be far away from the movable rod 812, pushing the movable rod 812 to slide in the adjusting groove 71, adjusting the length of the balance bar 81, and after adjusting to a proper position, rotating the adjusting bolt 72 to abut against the movable rod 812, so that the movable rod 812 is fixed in the adjusting groove 71; the balance bar 81 is then moved to bring the suspension bar 101 and the hook 102 to the bottom end of the truss 5, so that the hook 102 is hooked and engaged with the bar on the truss 5.
The hydraulic lifter 2 is continuously started to drive the truss 5 to ascend through the steel strand 3, and when the truss 5 drives the counterweight balls 83 to leave the ground through the balance rod 81, if the truss 5 is in a horizontal state, the suspension rope 82 is positioned between the laser emitting device 931 and the laser receiving device 932; if the truss 5 inclines, the truss 5 drives the balance rod 81 to incline through the suspension rod 101, the balance rod 81 drives the first plate 91 and the second rod to rotate together, at this time, the suspension rope 82 is still in a vertical state under the driving of the counterweight ball 83, the suspension rope 82 is far away from the laser emitting device 931 and the laser receiving device 932, the laser receiving device 932 receives laser emitted by the laser emitting device 931, at this time, the laser receiving device 932 controls the alarm 933 to give an alarm, a constructor adjusts the power of the hydraulic lifter 2 in time to level the truss 5, the suspension rope 82 is located between the laser receiving device 932 and the laser emitting device 931, at this time, the alarm 933 stops giving an alarm, and in conclusion, through the steps, the purpose of reducing the operation risk in the installation process of the truss 5 is achieved.
When the truss 5 is lifted to a height higher than the fixed plate 202, the movable bearing plate 201 drives the dovetail block 302 to be inserted into the dovetail groove 301, so that the bearing plate 201 is fixedly connected with the fixed plate 202, and at this time, the bearing plate 201 is located at the bottom end of the truss, and the truss is supported by the bearing plate 201.
The embodiment of the application also discloses a construction method of the hydraulic lifting device for the steel structure roof. A construction method of a hydraulic lifting device for a steel structure roof comprises the following steps:
s1, mounting the truss 5: firstly, the trusses 5 processed in a segmented mode in a factory are hoisted between two concrete columns 4 in a segmented mode, and then a plurality of segments of trusses 5 are welded and fixed in sequence.
S2, installing a lifting device: with hydraulic pressure lifting mechanism 2 and backup pad 11 fixed connection, pass backup pad 11 with the one end of steel strand wires 3 again after being connected with hydraulic pressure lifting mechanism 2, remove support 1 again and drive fixed cover 12 to the top of concrete column 4, make fixed cover 12 cover establish the top at concrete column 4, then rotate the butt that presss from both sides tight lead screw 61 and drive clamp plate 62 and concrete column 4's lateral wall, fixed cover 12 is fixed with concrete column 4, is connected steel strand wires 3 and truss 5 again.
S3, first lifting truss 5: the hydraulic lifter 2 is started to drive the truss 5 to ascend for a certain distance through the steel strand 3, and then the hydraulic lifter 2 is closed.
S4, mounting the balance detecting device 8: rotating the adjusting bolt 72 to be far away from the movable rod 812, pushing the movable rod 812 to slide in the adjusting groove 71, then adjusting the length of the balance rod 81 according to the length of the truss 5, and after the length of the balance rod 81 is adjusted, rotating the adjusting bolt 72 to abut against the movable rod 812 to fix the movable rod 812 and the fixed rod 811; then, the balance rod 81 is moved to drive the hanging and connecting rod to the bottom end of the truss 5, so that the hook 102 is in hanging fit with the connecting rod piece on the truss 5, and the hook 102 is fixed with the truss 5.
S5, lifting the truss 5 again: the hydraulic lifter 2 is started to drive the truss 5 to ascend through the steel strand 3, the truss 5 drives the balance rod 81 to ascend through the hanging rod, and the balance rod 81 drives the counterweight ball 83 to ascend through the hanging rope 82.
S6, truss 5 deviation alarm: when the truss 5 deviates, the truss 5 drives the balance rod 81 to deviate through the hanging rod, the balance rod 81 drives the trigger device 93 to deviate through the first plate 91 and the second plate 92, the suspension rope 82 is always in a vertical state under the influence of the gravity of the counterweight ball 83, at the moment, the suspension rope 82 is far away from the laser emitting device 931 and the laser receiving device 932, the laser receiving device 932 receives laser emitted by the laser emitting device 931, and the laser receiving device 932 controls the alarm 933 to give an alarm.
S7, adjusting the truss 5: the hydraulic lifter 2 at the lower end of the truss 5 is independently started, the hydraulic lifter 2 is utilized to drive the lower end of the truss 5 to ascend, so that the truss 5 is gradually in a horizontal state, the truss 5 drives the suspension rope 82 to be positioned between the laser generating device and the laser receiving device 932 through the balancing rod 81, and the alarm 933 does not give an alarm at the moment.
S8, continuing to lift truss 5: and simultaneously starting the two hydraulic lifters 2 to drive the truss 5 to horizontally ascend to the top end of the concrete column 4, and finishing the integral lifting of the truss 5.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a steel construction room lid hydraulic lifting device which characterized in that: the lifting device comprises a support (1) arranged at the top end of a concrete column (4), two hydraulic lifters (2) and two steel strands (3), a truss (5) is placed between the two concrete columns (4), the support (1) is fixedly connected with the concrete column (4), the hydraulic lifters (2) are fixedly connected with the support (1), the steel strands (3) are arranged between the hydraulic lifters (2) and the truss (5), two ends of each steel strand (3) are respectively fixedly connected with the hydraulic lifters (2) and the truss (5), a balance detection device (8) is arranged at the bottom end of the truss (5), each balance detection device (8) comprises a balance rod (81), a suspension rope (82) and a balance weight ball (83), the balance rod (81) is arranged at the bottom end of the truss (5), hanging devices (10) are arranged between two ends of the balance rod (81) and the truss (5), one end of a suspension rope (82) is fixedly connected with a balance rod (81), the other end of the suspension rope (82) is fixedly connected with a counterweight ball (83), an offset alarm (9) is arranged between the suspension rope (82) and the balance rod (81), the offset alarm (9) comprises a first plate (91), a second plate (92) and a trigger device (93), the first plate (91) and the second plate (92) are respectively arranged at two sides of the suspension rope (82), the first plate (91) and the second plate (92) are both fixedly connected with the balance rod (81), the trigger device (93) comprises a laser emitting device (931), a laser receiving device (932) and an alarm (933), the laser emitting device (931) is fixedly connected with the first plate (91), the laser receiving device (932) is fixedly connected with the second plate (92), the suspension rope (82) is positioned between the laser emitting device (931) and the laser receiving device (932), the laser receiving device (932) is connected with the alarm (933) through a control line, and the alarm (933) is fixedly connected with the second plate (92).
2. The hydraulic lifting device for the steel structure roof as claimed in claim 1, wherein: the top fixedly connected with backup pad (11) of support (1), backup pad (11) and hydraulic pressure lifting mechanism (2) fixed connection, the fixed cover (12) of bottom fixedly connected with of support (1), fixed cover (12) cover are established in the outside of concrete column (4), are provided with clamping component (6) between fixed cover (12) and concrete column (4).
3. The hydraulic lifting device for the steel structure roof as claimed in claim 2, wherein: the clamping assembly (6) comprises a clamping screw rod (61) and a clamping plate (62), the clamping screw rod (61) is in threaded connection with the side wall of the fixed sleeve (12), the clamping plate (62) is arranged between the fixed sleeve (12) and the concrete column (4), and one end of the clamping screw rod (61) penetrates through the fixed sleeve (12) and is fixedly connected with the clamping plate (62).
4. The hydraulic lifting device for the steel structure roof as claimed in claim 2, wherein: and a reinforcing rod (13) is arranged between the supporting plate (11) and the fixing sleeve (12), and two ends of the reinforcing rod (13) are respectively fixedly connected with the supporting plate (11) and the fixing sleeve (12).
5. The hydraulic lifting device for the steel structure roof as claimed in claim 1, wherein: the hanging device (10) comprises a hanging rod and a hook (102), one end of the hanging rod is fixedly connected with the balance rod (81), the other end of the hanging rod is fixedly connected with the hook (102), and the hook (102) is matched with the truss (5) in a hanging mode.
6. Hydraulic lifting device for steel structural roof according to claim 5, characterized in that: the balance rod (81) comprises a fixed rod (811) and two movable rods (812), the fixed rod (811) is fixedly connected with the suspension rope (82), the two movable rods (812) are arranged at two ends of the fixed rod (811) respectively, the two movable rods (812) are fixedly connected with the two hanging rods respectively, and an adjusting component (7) is arranged between the two movable rods (812) and the fixed rod (811).
7. Hydraulic lifting device for steel structural roofs according to claim 6, characterised in that: adjusting part (7) are including adjusting groove (71) and adjusting bolt (72), and adjusting groove (71) are provided with two, and two adjusting groove (71) are seted up respectively at the both ends of dead lever (811), and two movable rod (812) are pegged graft respectively in two adjusting groove (71), adjusting bolt (72) and the lateral wall threaded connection of adjusting groove (71), and the lateral wall and the movable rod (812) butt of adjusting groove (71) are passed to the one end of adjusting bolt (72).
8. The construction method of the hydraulic lifting device for the steel structure roof as claimed in any one of claims 1 to 7, comprising the following steps:
s1, mounting truss (5): firstly, hoisting trusses (5) processed in a segmented manner in a factory to a position between two concrete columns (4) in a segmented manner, and then sequentially welding and fixing a plurality of segments of trusses (5);
s2, installing a lifting device: fixedly connecting a hydraulic lifter (2) with a support plate (11), connecting one end of a steel strand (3) with the hydraulic lifter (2) after penetrating through the support plate (11), moving a support (1) to drive a fixing sleeve (12) to the top end of a concrete column (4), enabling the fixing sleeve (12) to be sleeved at the top end of the concrete column (4), then rotating a clamping screw (61) to drive a clamping plate (62) to abut against the side wall of the concrete column (4), fixing the fixing sleeve (12) with the concrete column (4), and connecting the steel strand (3) with a truss (5);
s3, first lifting truss (5): starting the hydraulic lifter (2) to drive the truss (5) to rise for a certain distance through the steel strand (3), and then closing the hydraulic lifter (2);
s4, mounting balance detection device (8): rotating the adjusting bolt (72) to be far away from the movable rod (812), pushing the movable rod (812) to slide in the adjusting groove (71), then adjusting the length of the balance rod (81) according to the length of the truss (5), and after the length of the balance rod (81) is adjusted, rotating the adjusting bolt (72) to abut against the movable rod (812), so that the movable rod (812) is fixed with the fixed rod (811); then moving the balance rod (81) to drive the hanging and connecting rod to the bottom end of the truss (5), so that the hook (102) is in hanging fit with the connecting rod piece on the truss (5), and the hook (102) is fixed with the truss (5);
s5, lifting the truss (5) again: the hydraulic lifter (2) is started to drive the truss (5) to ascend through the steel strand (3), the truss (5) drives the balance rod (81) to ascend through the hanging rod, and the balance rod (81) drives the counterweight ball (83) to ascend through the hanging rope (82);
s6, truss (5) deviation alarm: when the truss (5) deviates, the truss (5) drives the balance rod (81) to deviate through the hanging rod, the balance rod (81) drives the trigger device (93) to deviate through the first plate (91) and the second plate (92), the suspension rope (82) is always in a vertical state under the influence of the gravity of the counterweight ball (83), the suspension rope (82) is far away from the laser emitting device (931) and the laser receiving device (932), the laser receiving device (932) receives laser emitted by the laser emitting device (931), and the laser receiving device (932) controls the alarm (933) to give an alarm;
s7, adjusting the truss (5): the hydraulic lifter (2) at the lower end of the truss (5) is independently started, the hydraulic lifter (2) is utilized to drive the lower end of the truss (5) to ascend, so that the truss (5) is gradually in a horizontal state, the truss (5) drives the suspension rope (82) to be positioned between the laser generating device and the laser receiving device (932) through the balancing rod (81), and the alarm (933) does not give an alarm at the moment;
s8, continuously lifting the truss (5): and simultaneously starting the two hydraulic lifters (2) to drive the truss (5) to horizontally ascend to the top end of the concrete column (4), and finishing the integral lifting of the truss (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011418317.9A CN112252482B (en) | 2020-12-07 | 2020-12-07 | Hydraulic lifting device for steel structure roof and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011418317.9A CN112252482B (en) | 2020-12-07 | 2020-12-07 | Hydraulic lifting device for steel structure roof and construction method thereof |
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| CN112252482A CN112252482A (en) | 2021-01-22 |
| CN112252482B true CN112252482B (en) | 2021-03-09 |
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| CN113136961A (en) * | 2021-03-25 | 2021-07-20 | 中国建筑第八工程局有限公司 | Lifting structure for large-span truss and lifting method thereof |
| CN113373824B (en) * | 2021-07-10 | 2022-10-28 | 江苏百崮钢结构工程有限公司 | Mobile supporting device for river-crossing bridge construction |
| CN114439107A (en) * | 2022-02-25 | 2022-05-06 | 江阴市查克拉科技有限公司 | Building steel structure convenient to assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4251974A (en) * | 1979-04-25 | 1981-02-24 | Peter M. Vanderklaauw | Sensing and control apparatus for lifting heavy construction elements |
| CN206328116U (en) * | 2016-12-30 | 2017-07-14 | 广州珠江工程建设监理有限公司 | A kind of hydraulic lifting apparatus being used between two buildings |
| CN108179816B (en) * | 2017-12-15 | 2019-12-20 | 浙江精工钢结构集团有限公司 | Deviation lifting sliding device and method |
| CN108692705A (en) * | 2018-05-08 | 2018-10-23 | 合肥海银杆塔有限公司 | A kind of electric force pole tower of included measuring for verticality and inclination prompting function |
| CN209143498U (en) * | 2018-08-14 | 2019-07-23 | 中建钢构有限公司 | A kind of hoisting frame and truss lifting device for boist truss |
| CN109098454B (en) * | 2018-08-28 | 2020-11-17 | 潮峰钢构集团有限公司 | Hydraulic lifting construction method for high-altitude large-span curved roof |
| CN108827267B (en) * | 2018-08-31 | 2024-03-08 | 江苏省苏中建设集团股份有限公司 | Straightness monitoring facilities hangs down |
| CN109868902A (en) * | 2019-02-25 | 2019-06-11 | 中建四局第一建筑工程有限公司 | A kind of large span steel structure roof entirety lift structure |
| CN111519767A (en) * | 2020-05-12 | 2020-08-11 | 上海建工一建集团有限公司 | Integral lifting reverse construction system and method for multi-channel connected truss |
| CN111965312A (en) * | 2020-09-17 | 2020-11-20 | 刘峰 | Outer hanging outer wall detection device |
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