CN113942923A - Hoisting method for double-inclined steel beam with opposite-shaped structure - Google Patents
Hoisting method for double-inclined steel beam with opposite-shaped structure Download PDFInfo
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- CN113942923A CN113942923A CN202110841712.6A CN202110841712A CN113942923A CN 113942923 A CN113942923 A CN 113942923A CN 202110841712 A CN202110841712 A CN 202110841712A CN 113942923 A CN113942923 A CN 113942923A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 164
- 239000010959 steel Substances 0.000 title claims abstract description 164
- 238000000034 method Methods 0.000 title claims abstract description 38
- 210000001503 joint Anatomy 0.000 claims abstract description 15
- 230000005484 gravity Effects 0.000 claims abstract description 4
- 238000004804 winding Methods 0.000 claims description 9
- 229910003460 diamond Inorganic materials 0.000 claims description 8
- 239000010432 diamond Substances 0.000 claims description 8
- 230000006698 induction Effects 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 230000002146 bilateral effect Effects 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 description 9
- 238000013461 design Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000012545 processing Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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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
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
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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
- B66C15/00—Safety gear
- B66C15/06—Arrangements or use of warning devices
Abstract
The invention discloses a hoisting method of a double-inclined steel beam with a special-shaped structure, which comprises the following steps: step 1: determining the shapes of a steel column close to the high-position end of the steel beam and a steel column butt joint opening close to the low-position end of the steel beam; step 2: setting lifting lugs, selecting double inclination angles of the steel beam, finding out the gravity center of the steel beam and drawing a plumb line, drawing a circle by taking one point on the plumb line as the center of the circle, and setting the lifting lugs at the intersection of the circle and the upper surface of the steel beam; and step 3: and hoisting the steel beam from the lifting lug by using a steel wire rope and installing the steel beam on the steel columns at two sides. By the method, safety risks caused by using a manual hoist and the angle of the inclined component adjusted by manually pulling the guide chain can be avoided, and the construction efficiency is improved; and once set up and finish, constructor hangs with equal length wire rope at will, hangs heavy angle and can look for right, and efficiency of construction improves greatly, safe risk greatly reduced.
Description
Technical Field
The invention relates to the technical field of steel beam hoisting, in particular to a hoisting method of a double-inclined steel beam with a special-shaped structure.
Background
At present, when a double-inclined steel beam is hoisted, a guide chain (chain block) + a steel wire rope are generally adopted for hoisting, the chain block is additionally arranged in the side direction in a side inclination mode, namely three-point hoisting is needed for hoisting the double-inclined steel beam in the mode, wherein two chain blocks and one steel wire rope are adopted, but safety risks are easily caused by using the chain block when the double-inclined steel beam is hoisted by adopting the method, the angle of an inclined component is difficult to adjust by using the manual guide chain, the hoisting angle in the hoisting process is difficult to find, and the construction efficiency is low. Therefore, there is a need for a hoisting method for double-inclined steel beams with different structures, which at least partially solves the problems in the prior art.
Disclosure of Invention
In this summary, concepts in a simplified form are introduced that are further described in the detailed description. This summary of the invention is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
In order to at least partially solve the problems, the invention provides a hoisting method of a double-inclined steel beam with an opposite-shaped structure, which comprises the following steps:
step 1: determining the shapes of a steel column close to the high-position end of the steel beam and a steel column butt joint opening close to the low-position end of the steel beam;
step 2: setting lifting lugs, selecting double inclination angles of the steel beam, finding out the gravity center of the steel beam and drawing a plumb line, drawing a circle by taking one point on the plumb line as the center of the circle, and setting the lifting lugs at the intersection of the circle and the upper surface of the steel beam;
and step 3: and hoisting the steel beam from the lifting lug by using a steel wire rope and installing the steel beam on the steel columns at two sides.
Preferably, when the steel columns on the two sides in the step 1 are arranged, the steel column bracket butt joint is arranged in the vertical earth direction when the high-side steel columns are arranged, and the steel column bracket butt joint is arranged in the direction perpendicular to the steel beam body direction when the low-side steel columns are arranged.
Preferably, when the steel beam is hoisted by using the steel wire rope, the steel beam is hoisted by using two steel wire ropes with the same length.
Preferably, the steel column top still is equipped with interim fixing device, interim fixing device includes:
the shell is arranged at the top end of the steel column, and a clamping groove is formed in the top end of the shell and is funnel-shaped;
the double-shaft motor is arranged in the shell and is positioned on one side of the clamping groove;
the induction block is arranged at the bottom end of the inner wall of the clamping groove;
fixing device, fixing device locates in the casing, the bilateral symmetry of draw-in groove is equipped with fixing device, fixing device includes:
the fixing block groove is formed in the inner wall of the clamping groove;
the air bag cavity is arranged in the shell and is positioned on one side, away from the clamping groove, of the fixing block groove;
the piston cavity is arranged in the shell and is positioned on one side of the air bag cavity;
the inflation cavity is arranged in the shell and is positioned on one side of the piston cavity, which is far away from the air bag cavity;
one end of the first rotating rod is connected with the double-shaft motor, and the other end of the first rotating rod extends into the inflation cavity and is connected with the cam;
the limiting groove is arranged on the inner wall of the inflation cavity;
the sliding plate is connected in the limiting groove in a sliding mode and is in contact connection with the cam;
one end of the piston rod is connected with one side of the sliding plate, which is far away from the cam, the other end of the piston rod extends into the piston cavity to be connected with a piston, and the piston is connected in the piston cavity in a sliding manner;
a first spring disposed between the sliding plate and the inflation chamber;
one end of the first air pipe is communicated with the piston cavity, the other end of the first air pipe penetrates through the shell, and a first one-way valve is arranged in the first air pipe;
one end of the second air pipe is communicated with the piston cavity, the other end of the second air pipe extends into the air bag cavity to be connected with the air bag, and a second one-way valve is arranged in the second air pipe;
one end of the third air pipe is communicated with the air bag, and the other end of the third air pipe penetrates through the shell;
the fixture block is connected in the third air pipe through threads;
one end of the connecting rod extends into the air bag cavity to be connected with a movable plate, the movable plate is connected in the air bag cavity in a sliding mode, the other end of the connecting rod extends into the fixed block groove to be connected with a fixed block, and the fixed block is connected in the fixed block groove in a sliding mode;
the second spring is sleeved on the connecting rod and arranged between the fixed block and the fixed block groove;
one end of the clamping rod is arranged at the top end of the steel beam, and the other end of the clamping rod is matched with the clamping groove;
the fixed slot is arranged on the clamping rod and matched with the fixed block.
Preferably, still be equipped with in casing (6) the device of warning, the device of warning includes:
the clamping cavity is arranged in the shell and is positioned below the clamping groove;
the rope pulling cavity is arranged in the shell and is positioned between the clamping groove and the clamping cavity;
the motor is arranged at the top end of the inner wall of the clamping cavity;
one end of the second rotating rod is connected with the motor, and the other end of the second rotating rod extends into the rope pulling cavity to be connected with the winding wheel;
one end of the third rotating rod is connected with the motor, the other end of the third rotating rod extends into the clamping cavity to be connected with the clamping wheel, and a brake groove is formed in the bottom end of the clamping wheel;
the prompting cavity is arranged in the shell and is positioned on one side of the rope pulling cavity;
the warning lamp is arranged on the side wall of the prompting cavity;
the first conductive block is connected in the prompt cavity in a sliding mode, and a third spring is arranged between the first conductive block and the inner wall of the prompt cavity;
one end of the connecting rope is connected with the first conductive block, and the other end of the connecting rope is connected with the winding wheel;
the second conductive block is arranged in the prompting cavity and is connected with the warning lamp;
the groove is formed in the bottom end of the inner wall of the clamping cavity, and an electromagnet is arranged in the groove;
the magnet block is connected in the groove in a sliding mode, a diamond block is arranged at the top end of the magnet block, and the diamond block is matched with the brake groove;
the fourth spring is arranged between the magnet block and the electromagnet;
clamping device, the bilateral symmetry of tight wheel of clamp is equipped with clamping device, clamping device includes:
the limiting groove is arranged in the shell and is positioned on one side of the clamping cavity;
one end of the limiting rod is connected in the limiting groove in a sliding mode, and the other end of the limiting rod is provided with a clamping block;
one end of the sawtooth rod is connected with the clamping block, and the other end of the sawtooth rod extends into the clamping cavity to be meshed with the clamping wheel.
Preferably, the inner side of the clamping block is provided with a non-slip mat.
Preferably, the lifting lug and the clamping rod are made of stainless steel.
Preferably, the top end of the shell is provided with two guide rods, and the two guide rods are symmetrically arranged on two sides of the clamping groove.
Compared with the prior art, the invention at least comprises the following beneficial effects:
according to the hoisting method for the double-inclined steel beam with the opposite-shaped structure, safety risks caused by using a hand-operated hoist and the angle of the inclined component adjusted by using a hand-operated pull-guide chain can be avoided, and the construction efficiency is improved; and once set up, constructor hangs with equal length wire rope at will, and the hoisting angle can be looked for right, and the efficiency of construction improves greatly, and the safety risk greatly reduced.
The present invention is directed to a method for hoisting a dual-inclined steel beam having a different structure, and other advantages, objects, and features of the present invention will be set forth in part in the description which follows and in part will become apparent to those skilled in the art upon examination and practice of the invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a double-inclined steel beam with a special-shaped structure after being installed according to the hoisting method for the double-inclined steel beam with the special-shaped structure.
FIG. 2 is a schematic side view of a steel beam of the hoisting method of a double-inclined steel beam with a special-shaped structure.
FIG. 3 is a schematic view of a hoisting method of a double-inclined steel beam with a special-shaped structure.
Fig. 4 is a schematic structural view of a temporary fixing device of the hoisting method of the double-inclined steel beam with the opposite-shaped structure.
Fig. 5 is a schematic side view of a temporary fixing device for the hoisting method of the double-inclined steel beam with the opposite-shaped structure according to the present invention.
Fig. 6 is a schematic back view of a temporary fixing device of the hoisting method of the double-inclined steel beam with the opposite-shaped structure.
FIG. 7 is a schematic structural diagram of a steel beam of the hoisting method for a double-inclined steel beam with a special-shaped structure.
Fig. 8 is a schematic view of a warning device of the hoisting method of the double-inclined steel beam with the opposite-shaped structure.
Description of reference numerals: 1. a steel column; 2. a steel beam; 3. a steel column bracket butt joint; 4. lifting lugs; 5. a temporary fixing device; 6. A housing; 7. a card slot; 8. a balloon lumen; 9. a fixed block groove; 10. an inflation cavity; 11. an induction block; 12. a double-shaft motor; 13. A first rotating lever; 14. a cam; 15. a limiting groove; 16. a sliding plate; 17. a first spring; 18. a piston rod; 19. a piston cavity; 20. a piston; 21. a first air pipe; 22. a first check valve; 23. a second one-way valve; 24. a second air pipe; 25. an air bag; 26. a third air pipe; 27. a clamping block; 28. a connecting rod; 29. moving the plate; 30. a fixed block; 31. a second spring; 32. A clamping rod; 33. fixing grooves; 34. a clamping cavity; 35. a rope pulling cavity; 36. a motor; 37. a second rotating lever; 38. a winding wheel; 39. a prompt cavity; 40. a warning light; 41. a first conductive block; 42. a third spring; 43. connecting ropes; 44. a second conductive block; 45. a third rotating rod; 46. a pinch wheel; 47. a brake groove; 48. a serrated bar; 49. diamond-shaped blocks; 50. a magnet block; 51. A groove; 52. a fourth spring; 53. an electromagnet; 54. a limiting groove; 55. a limiting rod; 56. a clamping block; 57. a guide rod.
Detailed Description
The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can implement the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1 to 8, the invention provides a hoisting method of a double-inclined steel beam with an opposite-shaped structure, which comprises the following steps:
step 1: determining the shapes of a steel column close to the high-position end of the steel beam and a steel column butt joint opening close to the low-position end of the steel beam;
step 2: setting lifting lugs, selecting double inclination angles of the steel beam, finding out the gravity center of the steel beam and drawing a plumb line, drawing a circle by taking one point on the plumb line as the center of the circle, and setting the lifting lugs at the intersection of the circle and the upper surface of the steel beam;
and step 3: and hoisting the steel beam from the lifting lug by using a steel wire rope and installing the steel beam on the steel columns at two sides.
The working principle of the technical scheme is as follows: in the practical use process, when processing girder steel 2 in the mill, confirm earlier that girder steel 2 needs the angle of slope, then find out the focus of girder steel 2 and make the plumb line, use a point on the plumb line as the centre of a circle and make the circle, set up lug 4 in the crossing place of the upper surface of circle and girder steel 2, then use the wire rope of the same length to pass lug 4 and hoist girder steel 2, install girder steel 2 on the steel column 1 that is the horn mouth form that has set up.
The beneficial effects of the above technical scheme are that: through the design of the structure, the method can avoid the safety risk caused by using a manual hoist and the angle of the inclined component adjusted by manually pulling the guide chain, thereby improving the construction efficiency; and once set up and finish, constructor hangs with equal length wire rope at will, hangs heavy angle and can look for right, and efficiency of construction improves greatly, safe risk greatly reduced.
In one embodiment, when the steel columns 1 on both sides in the step 1 are arranged, the steel column bracket butt joint port 3 is arranged in a vertical large direction when the high-side steel column 1 is arranged, and the steel column bracket butt joint port 3 is arranged in a vertical direction to the body direction of the steel beam 2 when the low-side steel column 2 is arranged.
The working principle of the technical scheme is as follows: in the actual use process, when the steel beam 2 is installed again, the steel column bracket butt joint port 3 of the high-side steel column 1 is set to be in the vertical direction, and the steel column bracket butt joint port 3 of the low-side steel column is set to be in the direction perpendicular to the steel beam 2, so that the upper connecting line of the two adjacent steel column bracket butt joint ports 3 is larger than the lower connecting line.
The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, the top connecting wire of two adjacent steel column bracket butt joint 3 is greater than the below connecting wire and makes girder steel 2 take one's place the whereabouts in-process and can take one's place very smoothly.
In one embodiment, when the steel beam is hoisted by using the steel wire rope, the steel beam 2 is hoisted by using two steel wire ropes with the same length.
The working principle of the technical scheme is as follows: in the actual use process, adopt two wire ropes of the same length to hoist girder steel 2, can make girder steel 2 hoist with the angle that sets up in advance.
The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, through adopting two wire rope of the same length, the girder steel 2 that can make can not take place inclination's change at the in-process that lifts and transport, when hoist and mount the girder steel simultaneously, need not distinguish the length of girder steel 2.
In one embodiment, the top ends of the steel columns 1 are provided with temporary fixing devices 5, and the temporary fixing devices 5 comprise:
the shell 6 is arranged at the top end of the steel column 1, a clamping groove 7 is formed in the top end of the shell 6, and the clamping groove 7 is funnel-shaped;
the double-shaft motor 12 is arranged in the shell 6, and the double-shaft motor 12 is positioned on one side of the clamping groove 7;
the induction block 11 is arranged at the bottom end of the inner wall of the clamping groove 7;
fixing device, fixing device locates in the casing 6, the bilateral symmetry of draw-in groove 7 is equipped with fixing device, fixing device includes:
the fixing block groove 9 is formed in the inner wall of the clamping groove 7, and the fixing block groove 9 is formed in the inner wall of the clamping groove 7;
the air bag cavity 8 is formed in the shell 6, and the air bag cavity 8 is located on one side, away from the clamping groove 7, of the fixing block groove 9;
the piston cavity 19 is arranged in the shell 6, and the piston cavity 19 is positioned on one side of the air bag cavity 8;
the inflation cavity 10 is arranged in the shell 6, and the inflation cavity 10 is positioned on one side of the piston cavity 19 far away from the air bag device 8;
one end of the first rotating rod 13 is connected with the double-shaft motor 12, and the other end of the first rotating rod 13 extends into the inflation cavity 10 and is connected with the cam 14;
the limiting groove 15 is formed in the inner wall of the inflation cavity 10, and the limiting groove 15 is formed in the inner wall of the inflation cavity 10;
a sliding plate 16, wherein the sliding plate 16 is slidably connected in the limiting groove 15, and the sliding plate 16 is connected with the cam 14 in a contact way;
a piston rod 18, one end of the piston rod 18 is connected to one side of the sliding plate 16 away from the cam 14, the other end of the piston rod 18 extends into the piston cavity 19 and is connected to a piston 20, and the piston 20 is slidably connected to the piston cavity 19;
a first spring 17, said first spring 17 being disposed between said sliding plate 16 and said inflatable chamber 10;
one end of the first air pipe 21 is communicated with the piston cavity 19, the other end of the first air pipe 21 penetrates through the shell 6, and a first one-way valve 22 is arranged in the first air pipe 21;
one end of the second air pipe 24 is communicated with the piston cavity 19, the other end of the second air pipe 24 extends into the air bag cavity 8 and is connected with an air bag 25, and a second one-way valve 23 is arranged in the second air pipe 24;
a third air tube 26, one end of the third air tube 26 is communicated with the air bag 25, and the other end of the third air tube 26 passes through the shell 6;
a latch 27, wherein the latch 27 is connected to the third air pipe 26 by a screw thread;
one end of the connecting rod 28 extends into the airbag cavity 8 to be connected with the moving plate 29, the moving plate 29 is connected into the airbag cavity 8 in a sliding manner, the other end of the connecting rod 28 extends into the fixed block groove 9 to be connected with the fixed block 30, and the fixed block 30 is connected into the fixed block groove 9 in a sliding manner;
the second spring 31 is sleeved on the connecting rod 28, and the second spring 31 is arranged between the fixed block 30 and the fixed block groove 9;
one end of the clamping rod 32 is arranged at the top end of the steel beam 2, and the other end of the clamping rod 32 is matched with the clamping groove 7;
and the fixing groove 33 is formed in the clamping rod 32, and the fixing groove 33 is matched with the fixing block 30.
The working principle of the technical scheme is as follows: in the actual use process, when the steel beam 2 falls down and is installed on the steel columns 1 on the two sides, when the steel beam 2 continuously falls down, the clamping rod 32 installed according to the installation method of the lifting lug 4 enters the clamping groove 7, when the steel beam 2 falls down to the final installation position, the clamping rod 32 moves to the bottom end of the clamping groove 7, at the moment, the clamping rod 32 touches the induction block 11, the induction block 11 starts the double-shaft motor 12, the double-shaft motor 12 drives the cam 14 to rotate through the first rotating rod 13, the cam 14 rotates to enable the sliding plate 16 to move back and forth, the sliding plate 16 drives the piston 20 to move back and forth in the piston cavity 19 through the piston rod 18, the piston 20 moves back and forth in the piston cavity 19, air continuously enters the piston cavity 19 from the first air pipe 21 and then enters the air bag 25 from the second air pipe 24, the air bag 25 is continuously inflated to become larger, the air bag 25 pushes the moving plate 29 to move, the moving plate 29 drives the fixing block 30 to move towards the extending direction of the second spring 31 through the connecting rod 28, so that the fixing block 30 is clamped in the fixing groove 33 on the clamping rod 32, the clamping rod 32 is fixed, and the steel beam 2 is fixed; then, the steel beam 2 can be installed, after the installation and fixation, the fixture block 27 is rotated to discharge the gas in the air bag 25, so that the fixing block 30 is retracted into the fixing block groove 9, and the fixture rod 32 and the temporary fixing device 6 are removed.
The beneficial effects of the above technical scheme are that: through the structural design, when the clamping rod 32 enters the clamping groove 7, the clamping groove 7 is funnel-shaped, so that the deviation of the steel beam can be corrected in the horizontal direction, and the steel beam 2 is prevented from inclining during subsequent fixing; simultaneously interim fixing device 6 is fallen behind the mounted position at the girder steel, accomplishes automatically to girder steel 2 fixed, takes place to rock in the follow-up installation of avoiding girder steel 2 and influences the installation effect, has avoided the manual work to connect simultaneously and has got girder steel 2 and adjust the danger that exists to the mounted position in, security when having improved installation girder steel 2.
In one embodiment, the housing 6 further has the warning device disposed therein, and the warning device includes:
the clamping cavity 34 is arranged in the shell 6, and the clamping cavity 34 is positioned below the clamping groove 7;
the rope pulling cavity 35 is arranged in the shell 6, and the rope pulling cavity 35 is positioned between the clamping groove 7 and the clamping cavity 34;
the motor 36, the said motor 36 locates the top end of inner wall of the said clamping cavity 34;
one end of the second rotating rod 37 is connected with the motor 36, and the other end of the second rotating rod 37 extends into the rope pulling cavity 35 and is connected with a rope winding wheel 38;
one end of the third rotating rod 45 is connected with the motor 36, the other end of the third rotating rod 45 extends into the clamping cavity 34 to be connected with the clamping wheel 46, and a braking groove 47 is formed in the bottom end of the clamping wheel 46;
the prompting cavity 39 is arranged in the shell 6, and the prompting cavity 39 is positioned on one side of the rope pulling cavity 35;
the warning lamp 40 is arranged on the side wall of the prompting cavity 39;
the first conductive block 41 is connected in the prompt cavity 42 in a sliding manner, and a third spring 42 is arranged between the first conductive block 41 and the inner wall of the prompt cavity 39;
a connecting cord 43, one end of the connecting cord 43 being connected to the first conductive block 41, and the other end of the connecting cord 43 being connected to the winding wheel 38;
the second conductive block 44 is arranged in the prompting cavity 39, and the second conductive block 44 is connected with the warning lamp 40;
the groove 51 is formed in the bottom end of the inner wall of the clamping cavity 34, and an electromagnet 53 is arranged in the groove 51;
the magnet block 50 is connected in the groove 51 in a sliding mode, the top end of the magnet block 50 is provided with a diamond block 49, and the diamond block 49 is matched with the braking groove 47;
a fourth spring 52, wherein the fourth spring 52 is disposed between the magnet block 50 and the electromagnet 53;
the clamping device is symmetrically arranged on two sides of the clamping wheel 46 and comprises:
a limiting groove 54, wherein the limiting groove 54 is arranged in the shell 6, and the limiting groove 54 is positioned at one side of the clamping cavity 34;
one end of the limiting rod 55 is slidably connected in the limiting groove 54, and the other end of the limiting rod 55 is provided with a clamping block 56;
and one end of the sawtooth rod 48 is connected with the clamping block 56, and the other end of the sawtooth rod 48 extends into the clamping cavity 34 to be meshed with the clamping wheel 46.
The working principle of the technical scheme is as follows: in the actual use process, after the temporary fixing device 5 is placed at the top end of the steel column 1 and the position is adjusted, the motor 36 is started, the motor 36 drives the clamping wheel 46 to rotate through the third rotating rod 45, the clamping wheel 46 rotates and drives the two clamping blocks 56 to move oppositely through the sawtooth rod 48, the clamping blocks 56 move oppositely to fix the shell 6 at the top end of the steel column 1, then the electromagnet 53 is started, the electromagnet 53 is repelled from the magnet block 50, the magnet block 50 drives the diamond block 49 to move towards the extension direction of the fourth spring 52, the diamond block 49 enters the braking groove 47, the clamping wheel 46 does not rotate, and the fixing of the temporary fixing device 5 clamped at the top end of the steel column 1 is completed; the motor 36 further drives the winding wheel 38 to rotate through the second rotating rod 37, the winding wheel 38 rotates to pay out the connecting rope 43, so that the first conductive block 41 moves towards the extension direction of the third spring 42, the first conductive block 41 is in contact with the second conductive block 44, and the warning lamp 40 is lightened; when it is desired to remove the temporary fixing means 5, the electromagnet 53 is switched off, so that the diamond-shaped blocks 49 exit the braking grooves, the motor 36 is reversed and the two clamping blocks 56 are driven in the opposite direction, and the warning light 40 is switched off.
The beneficial effects of the above technical scheme are that: through the design of the structure, when the steel beam 2 is installed on the steel column 1, the warning device can send light to remind workers of avoiding the situation and avoid safety accidents caused by the fact that the steel beam 2 falls carelessly; meanwhile, the warning device can prevent the shell 6 from being fixed at the top end of the steel column 1, so that the subsequent disassembling work of the shell 6 is reduced, and the temporary fixing device 5 is more convenient to use.
In one embodiment, the inner side of the clamping block 56 is provided with a non-slip mat.
The working principle of the technical scheme is as follows: the non-slip mat is made of rubber material and can increase the friction between the clamping block 56 and the steel column 1.
The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, the frictional force between the clamp block 56 and steel column 1 is bigger for the warning device can be better fixed casing 6 in the top of steel column 1.
In one embodiment, the lifting lug 4 and the clamping bar 32 are made of stainless steel.
The working principle of the technical scheme is as follows: the stainless steel has the advantages of high strength and low price.
The beneficial effects of the above technical scheme are that: the lifting lug 4 and the clamping rod 32 are made of stainless steel, so that the use cost is reduced.
In one embodiment, the top end of the housing 6 is provided with two guiding rods 57, and the two guiding rods 57 are symmetrically arranged at two sides of the slot 7.
The working principle of the technical scheme is as follows: in the actual use process, the two guide rods 57 are arranged obliquely, when the jamming rod 32 deviates in the horizontal direction, the jamming rod contacts with the guide rods 57, and under the action of the guide rods 57, the jamming rod 32 falling continuously slides into the clamping slot 7 along the guide rods 57.
The beneficial effects of the above technical scheme are that: through the structural design, the guide rod 57 can guide the clamping rod 32 into the clamping groove 7, and the clamping rod 32 can be adjusted after deflection.
In the description of the present invention, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
While embodiments of the invention have been disclosed above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (8)
1. A hoisting method for double-inclined steel beams with different structures is characterized by comprising the following steps:
step 1: determining the shapes of a steel column close to the high-position end of the steel beam and a steel column butt joint opening close to the low-position end of the steel beam;
step 2: arranging lifting lugs (4), selecting double inclination angles of the steel beam (2), finding out the gravity center of the steel beam (2) and drawing a plumb line, drawing a circle by taking one point on the plumb line as the center of the circle, and arranging the lifting lugs (4) at the intersection of the circle and the upper surface of the steel beam (2);
and step 3: and hoisting the steel beam (2) from the lifting lugs (4) by using a steel wire rope and installing the steel beam on the steel columns (1) at two sides.
2. The hoisting method of the double-inclined steel beam with the opposite-shaped structure according to claim 1,
when the steel columns (1) on the two sides in the step 1 are arranged, the steel column bracket butt joint port (3) is arranged in the vertical earth direction when the high-side steel column (1) is arranged, and the steel column bracket butt joint port (3) is arranged in the direction perpendicular to the body direction of the steel beam (2) when the low-side steel column (2) is arranged.
3. The hoisting method of the double-inclined steel beam with the opposite-shaped structure according to claim 1,
when the steel beam is hoisted by adopting the steel wire rope, the steel beam (2) is hoisted by adopting two steel wire ropes with the same length.
4. The hoisting method of the double-inclined steel beam with the opposite-shaped structure according to claim 1,
steel column (1) top all is equipped with interim fixing device (5), interim fixing device (5) include:
the shell (6) is arranged at the top end of the steel column (1), a clamping groove (7) is formed in the top end of the shell (6), and the clamping groove (7) is funnel-shaped;
the double-shaft motor (12) is arranged in the shell (6), and the double-shaft motor (12) is positioned on one side of the clamping groove (7);
the induction block (11), the induction block (11) is arranged at the bottom end of the inner wall of the clamping groove (7);
fixing device, fixing device locates in casing (6), the bilateral symmetry of draw-in groove (7) is equipped with fixing device, fixing device includes:
the fixing block groove (9), the fixing block groove (9) is arranged on the inner wall of the clamping groove (7);
the air bag cavity (8) is arranged in the shell (6), and the air bag cavity (8) is positioned on one side, away from the clamping groove (7), of the fixed block groove (9);
the piston cavity (19) is arranged in the shell (6), and the piston cavity (19) is positioned on one side of the air bag cavity (8);
the inflation cavity (10) is arranged in the shell (6), and the inflation cavity (10) is positioned on one side, far away from the air bag cavity (8), of the piston cavity (19);
one end of the first rotating rod (13) is connected with the double-shaft motor (12), and the other end of the first rotating rod (13) extends into the inflation cavity (10) and is connected with the cam (14);
the limiting groove (15), the limiting groove (15) is arranged on the inner wall of the inflation cavity (10);
the sliding plate (16), the sliding plate (16) is connected in the limiting groove (15) in a sliding mode, and the sliding plate (16) is connected with the cam (14) in a contact mode;
one end of the piston rod (18) is connected with one side of the sliding plate (16) far away from the cam (14), the other end of the piston rod (18) extends into the piston cavity (19) to be connected with a piston (20), and the piston (20) is connected in the piston cavity (19) in a sliding mode;
a first spring (17), said first spring (17) being arranged between said sliding plate (16) and said inflatable chamber (10);
one end of the first air pipe (21) is communicated with the piston cavity (19), the other end of the first air pipe (21) penetrates through the shell (6), and a first one-way valve (22) is arranged in the first air pipe (21);
one end of the second air pipe (24) is communicated with the piston cavity (19), the other end of the second air pipe (24) extends into the air bag cavity (8) and is connected with an air bag (25), and a second one-way valve (23) is arranged in the second air pipe (24);
a third air pipe (26), one end of the third air pipe (26) is communicated with the air bag (25), and the other end of the third air pipe (26) penetrates through the shell (6);
a fixture block (27), wherein the fixture block (27) is connected in the third air pipe (26) through threads;
one end of the connecting rod (28) extends into the air bag cavity (8) and is connected with a moving plate (29), the moving plate (29) is connected into the air bag cavity (8) in a sliding mode, the other end of the connecting rod (28) extends into the fixed block groove (9) and is connected with a fixed block (30), and the fixed block (30) is connected into the fixed block groove (9) in a sliding mode;
the second spring (31) is sleeved on the connecting rod (28), and the second spring (31) is arranged between the fixed block (30) and the fixed block groove (9);
one end of the clamping rod (32) is arranged at the top end of the steel beam (2), and the other end of the clamping rod (32) is matched with the clamping groove (7);
the fixing groove (33), fixed groove (33) are located on kelly (32), fixed groove (33) with fixed block (30) looks adaptation.
5. The hoisting method of the double-inclined steel beam with the opposite-shaped structure as claimed in claim 4,
still be equipped with the device of warning in casing (6), the device of warning includes:
the clamping cavity (34) is arranged in the shell (6), and the clamping cavity (34) is positioned below the clamping groove (7);
the rope pulling cavity (35) is formed in the shell (6), and the rope pulling cavity (35) is located between the clamping groove (7) and the clamping cavity (34);
the motor (36), the said motor (36) locates the top end of inner wall of the said clamping cavity (34);
one end of the second rotating rod (37) is connected with the motor (36), and the other end of the second rotating rod (37) extends into the rope pulling cavity (35) and is connected with the winding wheel (38);
one end of the third rotating rod (45) is connected with the motor (36), the other end of the third rotating rod (45) extends into the clamping cavity (34) to be connected with the clamping wheel (46), and a braking groove (47) is formed in the bottom end of the clamping wheel (46);
the prompt cavity (39) is arranged in the shell (6), and the prompt cavity (39) is positioned on one side of the rope pulling cavity (35);
the warning lamp (40), the said warning lamp (40) locates on the sidewall of the said suggestion lumen (39);
the first conductive block (41) is connected in the prompting cavity (42) in a sliding mode, and a third spring (42) is arranged between the first conductive block (41) and the inner wall of the prompting cavity (39);
one end of the connecting rope (43) is connected with the first conductive block (41), and the other end of the connecting rope (43) is connected with the winding wheel (38);
the second conductive block (44), the second conductive block (44) is arranged in the prompting cavity (39), and the second conductive block (44) is connected with the warning lamp (40);
the groove (51), the groove (51) is arranged at the bottom end of the inner wall of the clamping cavity (34), and an electromagnet (53) is arranged in the groove (51);
the magnet block (50) is connected in the groove (51) in a sliding mode, a diamond block (49) is arranged at the top end of the magnet block (50), and the diamond block (49) is matched with the braking groove (47);
a fourth spring (52), wherein the fourth spring (52) is arranged between the magnet block (50) and the electromagnet (53);
the clamping device is symmetrically arranged on two sides of the clamping wheel (46), and comprises:
the limiting groove (54) is formed in the shell (6), and the limiting groove (54) is located on one side of the clamping cavity (34);
one end of the limiting rod (55) is connected in the limiting groove (54) in a sliding mode, and a clamping block (56) is arranged at the other end of the limiting rod (55);
one end of the sawtooth rod (48) is connected with the clamping block (56), and the other end of the sawtooth rod (48) extends into the clamping cavity (34) to be meshed with the clamping wheel (46).
6. The hoisting method of the double-inclined steel beam with the opposite-shaped structure according to claim 5,
and the inner side of the clamping block (56) is provided with a non-slip mat.
7. The hoisting method of the double-inclined steel beam with the opposite-shaped structure according to claim 1,
the lifting lug (4) and the clamping rod (32) are both made of stainless steel.
8. The hoisting method of the double-inclined steel beam with the opposite-shaped structure as claimed in claim 4,
the top end of the shell (6) is provided with two guide rods (57), and the two guide rods (57) are symmetrically arranged on two sides of the clamping groove (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110841712.6A CN113942923B (en) | 2021-07-26 | 2021-07-26 | Hoisting method for double-inclined steel beam with special-shaped structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110841712.6A CN113942923B (en) | 2021-07-26 | 2021-07-26 | Hoisting method for double-inclined steel beam with special-shaped structure |
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| Publication Number | Publication Date |
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| CN113942923B CN113942923B (en) | 2024-04-16 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010121285A (en) * | 2008-11-17 | 2010-06-03 | Tekken Constr Co Ltd | Construction method of steel structure |
| CN202379592U (en) * | 2011-12-23 | 2012-08-15 | 上海市机械施工有限公司 | Device for lifting inclined steel columns |
| CN105858435A (en) * | 2016-04-26 | 2016-08-17 | 中国海洋石油总公司 | Technology for hoisting strip-shaped inclined steel structures in place through single crane |
| CN109518614A (en) * | 2019-01-04 | 2019-03-26 | 中铁宝桥集团有限公司 | A kind of hanging construction mechanism of Steel Bridge and construction method |
| CN112323843A (en) * | 2020-10-10 | 2021-02-05 | 胡光阳 | Steel column and foundation pit connection node structure of steel structure building |
-
2021
- 2021-07-26 CN CN202110841712.6A patent/CN113942923B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010121285A (en) * | 2008-11-17 | 2010-06-03 | Tekken Constr Co Ltd | Construction method of steel structure |
| CN202379592U (en) * | 2011-12-23 | 2012-08-15 | 上海市机械施工有限公司 | Device for lifting inclined steel columns |
| CN105858435A (en) * | 2016-04-26 | 2016-08-17 | 中国海洋石油总公司 | Technology for hoisting strip-shaped inclined steel structures in place through single crane |
| CN109518614A (en) * | 2019-01-04 | 2019-03-26 | 中铁宝桥集团有限公司 | A kind of hanging construction mechanism of Steel Bridge and construction method |
| CN112323843A (en) * | 2020-10-10 | 2021-02-05 | 胡光阳 | Steel column and foundation pit connection node structure of steel structure building |
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| Publication number | Publication date |
|---|---|
| CN113942923B (en) | 2024-04-16 |
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