CN115196494A - Clamp for hoisting steel beam and using method thereof - Google Patents
Clamp for hoisting steel beam and using method thereof Download PDFInfo
- Publication number
- CN115196494A CN115196494A CN202210666370.3A CN202210666370A CN115196494A CN 115196494 A CN115196494 A CN 115196494A CN 202210666370 A CN202210666370 A CN 202210666370A CN 115196494 A CN115196494 A CN 115196494A
- Authority
- CN
- China
- Prior art keywords
- shaped
- steel beam
- support frame
- plates
- piston cylinders
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 98
- 239000010959 steel Substances 0.000 title claims abstract description 98
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 16
- 230000003287 optical effect Effects 0.000 claims description 14
- 238000003825 pressing Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000009749 continuous casting Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 206010066054 Dysmorphism Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009975 flexible effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/28—Duplicate, e.g. pivoted, members engaging the loads from two sides
- B66C1/30—Duplicate, e.g. pivoted, members engaging the loads from two sides and also arranged to grip the sides of the loads
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention relates to the technical field of construction equipment, and discloses a clamp for hoisting a steel beam and a using method thereof, wherein the clamp comprises the following steps: a beam and a hook base; clamping mechanisms are symmetrically arranged at two ends of the bottom of the cross beam, a stabilizing mechanism is arranged between the clamping mechanisms, and a positioning mechanism is arranged at the upper end of each clamping mechanism; press from both sides and get mechanism including connecting in two linking arms of crossbeam bottom, set up in the support frame of linking arm bottom, and set up on the support frame, along support frame downwardly extending's slider, the both ends of linking arm are connected respectively in the articulated seat at crossbeam bottom and slider top, the center of support frame is provided with the slide along its length direction, support frame length direction's both sides are provided with the spacing groove, the inboard of support frame is provided with the extension board, be connected with a plurality of connecting rods between the extension board, the both sides of slider are provided with the slide, the slide inserts to the spacing inslot, the bottom symmetry of slider is provided with U type anchor clamps, it gets the space to form to press from both sides between two U type anchor clamps, the bottom of U type anchor clamps is provided with the pulley.
Description
Technical Field
The invention relates to the technical field of construction equipment, in particular to a clamp for hoisting a steel beam and a using method thereof.
Background
At present, with the development of more multifunction and comprehensive use of modern high-rise buildings, the number of high-rise buildings with conversion layer design is increased continuously, statistics shows that the high-rise buildings have about 80% of conversion layer structures, and the structure construction of a large-size conversion beam of a beam type conversion layer is the most critical; generally, in the building engineering, the structure has a large section, the bearing capacity requirement of a support system is high, loads need to be transmitted to multiple layers downwards, the stiff steel beams are difficult to hoist, and the like, so that the difficulty of engineering construction is caused.
Other similar technical schemes, such as chinese patent document "an assembled steel beam hoist device" patent number is: CN202011023169.0, which solves the problems of wasting the working time of designers and reducing the working efficiency by considering the work of calculating, drawing and the like of welding a hoisting lug plate and a butt joint clamping plate, and therefore needs to be improved on the basis, and the comparative example indicates that the lifting device comprises a steel beam, a steel column and a lifting tool, the lifting tool is connected with an upper flange plate of the steel beam, and further comprises a hoisting component and a positioning clamping component, and the positioning clamping component and the hoisting component are respectively detachably connected with the upper flange plate of the steel beam; the positioning fastener is arranged between the steel beam upper flange plate and the steel column upper flange plate and is fixed on the steel beam upper flange plate, so that the steel beam upper flange plate is flush with the steel column upper flange plate, and the butt joint of the steel beam and the steel column is realized; the hoisting assembly is fixed on the steel beam upper flange plate, the lifting appliance is movably matched with the hoisting assembly to hoist the steel beam, the adjustable effect is still poor when the hoisting assembly is in place and the installation structure is used based on the hoisting of the similar large-section stiff concrete beam steel beam, the frequent adjustment of bolts is needed, the operation is complex, the installation and the disassembly of the hoisting structure are not easy, the hoisting stable effect is not good, and certain potential safety hazards exist.
Other existing patent solutions, such as CN207726591U, disclose a continuous casting roll clamp, which includes a left jaw, a right jaw, a left connecting rod, a right connecting rod, an electric telescopic rod and a hanging ring, wherein the left connecting rod and the right connecting rod are connected with the hanging ring through a pin shaft, and the top end and the bottom end of the electric telescopic rod are respectively provided with an upper fixing piece and a lower fixing piece; the connecting device also comprises two groups of upper connecting blocks, two groups of lower connecting blocks and two groups of connecting springs, wherein the two groups of connecting springs are respectively arranged at the top ends of the two groups of lower connecting blocks; the clamping device further comprises a first fixing piece and a second fixing piece, wherein the first fixing piece and the second fixing piece are respectively arranged on the left clamping jaw and the right clamping jaw; the continuous casting roll clamp is characterized by further comprising a first buffer part and a second buffer part, the bottom roll-shaped part is automatically clamped through pushing movement in the vertical direction, the continuous casting roll clamp only can clamp cylindrical and symmetrical workpieces, and effective clamping of two ends of I-shaped clamped workpieces, particularly special-shaped I-shaped workpieces with different widths of two ends cannot be carried out on the I-shaped clamped workpieces, because the narrow side of the I-shaped clamped workpieces is not in contact with a clamping jaw, and the wide workpieces at the other ends of the I-shaped clamped workpieces are clamped in place, and the continuous casting roll clamp is born based on the problems.
Disclosure of Invention
The application provides a fixture and an application method for girder steel hoist and mount to solve, dysmorphism steel beam structure is difficult to press from both sides and gets, and hoist and mount adjustable effect is relatively poor, needs frequent adjusting bolt's mode to go on, complex operation, and it is difficult that hoist and mount structure installation is dismantled, and hoist and mount firm effect simultaneously is not good, and has the problem of certain potential safety hazard.
For solving above-mentioned technical problem, this application provides a fixture for girder steel hoist and mount, include: the lifting hook comprises a cross beam and a lifting hook base arranged at the top of the cross beam; a balance block is arranged in the center of the bottom of the cross beam, clamping mechanisms are symmetrically arranged at two ends of the bottom of the cross beam, a stabilizing mechanism is arranged between the clamping mechanisms, and a positioning mechanism is arranged at the upper end of each clamping mechanism; the clamping mechanism comprises two connecting arms connected to the bottom of a cross beam, a supporting frame arranged at the bottom of the connecting arms and a sliding block arranged on the supporting frame and extending downwards along the supporting frame, the two ends of each connecting arm are respectively connected to hinged seats at the bottom of the cross beam and the top of the sliding block, a slide way is arranged at the center of the supporting frame along the length direction of the center of the supporting frame, limiting grooves are formed in the two sides of the supporting frame, supporting plates are arranged on the inner sides of the supporting frame, a plurality of connecting rods are connected between the supporting plates, sliding plates are arranged on the two sides of the sliding block and inserted into the limiting grooves, U-shaped clamps are symmetrically arranged at the bottoms of the sliding blocks, clamping spaces are formed between the two U-shaped clamps, and pulleys are arranged at the bottoms of the U-shaped clamps.
In some embodiments of this application, two the bottom of support frame all is provided with optical dimension measurement sensor, optical dimension measurement sensor is used for, is provided with pressure sensor on the arbitrary U type anchor clamps of homonymy, the linking arm is automatically controlled scalable design, the automatically controlled flexible action of linking arm is responded to two difference between optical dimension measurement sensor signal difference and two pressure sensor.
In some embodiments of the present application, the positioning mechanism includes a reinforcing rod connected to the top of the cross beam and a telescopic rod disposed at the bottom of the reinforcing rod, the reinforcing rod is L-shaped, the telescopic rod penetrates through the cross beam along the vertical direction, and the bottom of the telescopic rod is connected to the support frame.
In some embodiments of this application, firm mechanism sets up in the clamp plate of backup pad bottom including setting up the backup pad between the support frame, sets up in the first L template at backup pad length direction both ends, sets up in the second L template of crossbeam lower extreme, sets up the first piston tube between first L template and second L template lateral part, vertical second piston tube of wearing to locate the backup pad to and connect the connecting pipe between first piston tube and second piston tube, the interval sets up formation extrusion chamber about the lateral part of first L template and second L template, first piston tube is connected in the upper and lower both ends in extrusion chamber, be provided with fixed cover on the connecting pipe, fixed cover upwards extends to connect in the balancing piece, the bottom of second piston tube is connected in the clamp plate for promote the clamp plate to reciprocate in order to laminate in waiting to press from both sides to get the girder steel.
In some embodiments of the present application, a support spring is provided in the slide, one end of the support spring is fixedly connected with an inner wall of the slide, and the other end of the support spring is fixedly connected with the slider.
In some embodiments of the present application, the telescopic rod includes a sleeve connected to the reinforcing rod and a sliding rod inserted into the sleeve, and the telescopic rod is freely retractable to limit the position and the moving direction of the support frame.
In some embodiments of this application, the lifting hook base sets up in crossbeam top central point and puts, the even interval in both sides of lifting hook base is provided with a plurality of bosses, the top bilateral symmetry of lifting hook base is provided with two rings.
In some embodiments of the application, a using method of a steel beam hoisting clamp comprises the following specific steps:
A. when the device is used, the lifting machine is connected with the lifting ring on the lifting hook base, the whole device is driven to be above the I-shaped steel beam and is in contact with the steel beam, and then the whole device is lowered by the lifting machine;
B. after the pulley at the bottom of the U-shaped clamp is contacted with the I-shaped steel beam, the pulley at the bottom of the U-shaped clamp is pressed downwards by the gravity of the cross beam to drive the four connecting arms to rotate, so that the two corresponding connecting arms drive the two sliding blocks and the sliding plate, the two sliding blocks drive the two U-shaped clamps to be away from each other, the pulley at the bottom of the U-shaped clamp slides on the top of the I-shaped steel beam, and after the pulley is separated from the top of the I-shaped steel beam, the four U-shaped clamps move downwards and are positioned at the front side and the rear side of the I-shaped steel beam, and are supported by the four supporting springs and the sliding plate, so that the four U-shaped clamps clamp clamps clamp the I-shaped steel beam;
C. when the I-shaped steel beam is hoisted, the crane pulls the hook base to enable the hook base to pull the cross beam to move upwards, the cross beam pulls the four connecting arms to enable the two corresponding U-shaped clamps to hoist the I-shaped steel beam, the angle between the connecting arms is reduced, the two corresponding sliding plates are tightened, the two U-shaped clamps are close to each other to enable the U-shaped clamps to clamp the I-shaped steel beam, the angle between the two connecting arms at one end with a wider width is controlled to be increased according to the difference value of the widths of the two ends of the I-shaped steel beam acquired by signals of the two optical dimension measuring sensors in the clamping process, the angle between the two connecting arms at one end with a narrower width is controlled to be reduced, and the electrically controlled telescopic driving power supplies of all the connecting arms are disconnected until the digital difference values displayed by the two pressure sensors are zero;
D. when the beam moves upwards, the beam drives the two second L-shaped plates and the two first piston cylinders to move upwards, the support frame is kept still in the rotating process of the connecting arm, so that the first push plate connected to the support plate is in contact with the first piston cylinders and extrudes the first piston cylinders, gas in the first piston cylinders enters the second piston cylinders through the connecting pipes after being compressed, the second piston cylinders are extended after being pressurized, and the four second piston cylinders drive the press plates to move downwards and tightly contact with the I-shaped steel beam to further limit the I-shaped steel beam.
Compared with the prior art, the invention has the following characteristics and beneficial effects:
(1) According to the invention, through the two optical size sensors, the pressure sensor and the two groups of electric control telescopic connecting arms, the steel beams with uniform width or the steel beams with different widths in the length direction can be stably clamped;
(2) In the hoisting work, the crane is connected with the lifting hook base, the clamp is driven to be above the I-shaped steel beam and to be in contact with the steel beam, the four pulleys are pressed downwards by the gravity of the cross beam after being in contact with the I-shaped steel beam to drive the four connecting arms to rotate, the two corresponding connecting arms support the two sliding plates, the two sliding plates drive the two clamping jaws to be away from each other, the pulleys at the bottoms of the clamping jaws slide on the top of the I-shaped steel beam, the four clamping jaws move downwards after the pulleys are separated from the top of the I-shaped steel beam, the four clamping jaws are supported by the four supporting springs and the sliding plates to clamp the I-shaped steel beam, the crane further pulls the lifting hook base to pull the cross beam to move upwards, the cross beam pulls the four connecting arms to enable the two corresponding clamping jaws to hoist the I-shaped steel beam, and the two clamping jaws tighten the two corresponding sliding plates due to the connecting arms through the connection effect of the pin shafts, so that the clamping jaws clamp the I-shaped steel beam tightly, compared with the mode of frequently adjusting bolts, the scheme directly presses the supporting frame downwards and is matched through the support of the elastic pieces, the lifting hook base is convenient for clamping the I-shaped steel beam, the lifting operation of the lifting hook base, and the stability of the I-shaped steel beam is improved;
(3) In the embodiment of the invention, during hoisting work, the beam drives the two second push plates and the two first piston cylinders to move upwards in the upward movement process of the beam, the support frame is kept still in the rotation process of the connecting arm, the first push plates connected to the support frame are contacted with the first piston cylinders and extrude the first piston cylinders, gas in the first piston cylinders enters the second piston cylinders through the connecting pipe after being compressed, the second piston cylinders are extended after being pressurized, the four second piston cylinders drive the press plates to move downwards and are tightly contacted with the I-shaped steel beam to further limit the I-shaped steel beam, and the pressure of one side of the clamping jaw is concave, so that the second piston cylinders drive the press plates to extrude the top of the I-shaped steel beam, the aim of limiting the I-shaped steel in multiple directions is realized, and the hoisting safety is further improved.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic bottom view of a three-dimensional structure according to an embodiment of the present invention;
FIG. 3 is a schematic perspective view of a support frame according to an embodiment of the present invention;
FIG. 4 is a schematic perspective view of a securing mechanism according to an embodiment of the present invention;
FIG. 5 is a schematic perspective view of a gripping mechanism according to an embodiment of the present invention;
fig. 6 is a schematic cross-sectional view of a gripping mechanism according to an embodiment of the present invention.
In the figure, 100, the beam; 110. a counterbalance; 120. a reinforcing block; 200. a hook base; 210. a hoisting ring; 300. a gripping mechanism; 310. a connecting arm; 320. a support frame; 321. a slideway; 322. a limiting groove; 323. a support plate; 324. a connecting rod; 330. a slider; 340. a hinged seat; 350. a slide plate; 360. a U-shaped clamp; 370. a pulley; 380. an electric control telescopic rod; 390. a support spring; 400. a stabilizing mechanism; 410. a support plate; 420. pressing a plate; 430. a first L-shaped plate; 440. a second L-shaped plate; 450. a first piston cylinder; 460. a second piston cylinder; 470. a connecting pipe; 480. fixing a sleeve; 500. a positioning mechanism; 510. a reinforcing rod; 520. a telescopic rod; 521. a sleeve; 522. a slide bar.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in this application will be understood to be a specific case for those of ordinary skill in the art.
In accordance with some embodiments of the present application, a clamp for lifting a steel beam, as shown in fig. 1-6, comprises: a cross beam 100 and a hook base 200 arranged at the top of the cross beam 100; the bottom center of the beam 100 is provided with a balance block 110, two ends of the bottom of the beam 100 are symmetrically provided with clamping mechanisms 300, a stabilizing mechanism 400 is arranged between the clamping mechanisms 300, and the upper ends of the clamping mechanisms 300 are provided with positioning mechanisms 500; the clamping mechanism 300 comprises two connecting arms 310 connected to the bottom of the cross beam 100, a supporting frame 320 arranged at the bottom of the connecting arms 310, and a sliding block 330 arranged on the supporting frame 320 and extending downwards along the supporting frame 320, two ends of each connecting arm 310 are respectively connected to the bottom of the cross beam 100 and a hinging seat 340 at the top of the sliding block 330, a sliding way 321 is arranged at the center of the supporting frame 320 along the length direction of the supporting frame, two sides of the supporting frame 320 are provided with limiting grooves 322, an inner side of the supporting frame 320 is provided with a supporting plate 323, a plurality of connecting rods 324 are connected between the supporting plates 323, two sides of the sliding block 330 are provided with sliding plates 350, the sliding plates 350 are inserted into the limiting grooves 322, the bottom of the sliding block 330 is symmetrically provided with U-shaped clamps 360, a clamping space is formed between the two U-shaped clamps 360, and a pulley 370 is arranged at the bottom of the U-shaped clamps 360.
It should be noted here that the number of the connecting arms 310 is four, the top ends of the two connecting arms 310 on the same side are hinged to the bottom of the cross beam 100, the number of the U-shaped clamps 360 is four, the U-shaped clamps 360 are all connected to the lower ends of the corresponding connecting arms 310 through pin shafts, and one side of the bottom of the U-shaped clamps 360 is inclined, so that the U-shaped clamps 360 can slide along the top of the i-shaped steel beam conveniently.
According to some embodiments of the present application, the bottom of each of the two support frames 320 is provided with an optical dimension measuring sensor, the optical dimension measuring sensor is used for providing a pressure sensor on any one of the U-shaped clamps 360 on the same side, the electrically controlled telescopic rod 380 is provided between the connecting arms 310 on the same side, and the electrically controlled telescopic action of the electrically controlled telescopic rod 380 is in response to a signal difference between the two optical dimension measuring sensors and a difference between the two pressure sensors.
It should be noted that the pressure sensor is used for measuring the pressure between the U-shaped clamp 360 and the i-shaped steel beam, the optical dimension measuring sensor is used for measuring the distance between the U-shaped clamp 360 and the i-shaped steel beam, and when the widths of the two ends of the i-shaped steel beam are not consistent, the electrical control telescopic rod 380 is driven to change the included angle between the connecting arms 310 on the same side, and the distance between the U-shaped clamps 360 is changed to clamp the i-shaped steel beam.
According to some embodiments of the present application, the positioning mechanism 500 includes a reinforcing bar 510 connected to the top of the cross beam 100 and an expansion bar 520 disposed at the bottom of the reinforcing bar 510, the reinforcing bar 510 is L-shaped, the expansion bar 520 penetrates the cross beam 100 in the vertical direction, and the bottom of the expansion bar 520 is connected to the support frame 320.
As shown in fig. 1 and 4, according to some embodiments of the present application, the stabilizing mechanism 400 includes a supporting plate 410 disposed between the supporting frames 320, a pressing plate 420 disposed at the bottom of the supporting plate 410, first L-shaped plates 430 disposed at both ends of the supporting plate 410 in the length direction, a second L-shaped plate 440 disposed at the lower end of the beam 100, first piston cylinders 450 disposed between the transverse portions of the first L-shaped plates 430 and the second L-shaped plates 440, second piston cylinders 460 vertically penetrating the supporting plate 410, and connecting pipes 470 connected between the first piston cylinders 450 and the second piston cylinders 460, wherein the transverse portions of the first L-shaped plates 430 and the second L-shaped plates 440 are spaced up and down to form extrusion chambers, the first piston cylinders 450 are connected to both ends of the extrusion chambers, fixing sleeves 480 are disposed on the connecting pipes 470, the fixing sleeves 480 are extended upward to the balance block 110, and the bottom of the second piston cylinders 460 is connected to the pressing plate 420 for pushing the pressing plate 420 to move up and down to fit the steel beam to be clamped.
It should be noted that a plurality of through holes are formed in the supporting plate 410, the plurality of through holes are disposed opposite to the second piston cylinder 460, and the second piston cylinder 460 passes through the through holes and is fixedly connected to the pressure plate 420.
According to some embodiments of the present application, a supporting spring 390 is disposed in the sliding channel 321, one end of the supporting spring 390 is fixedly connected to the inner wall of the sliding channel 321, and the other end of the supporting spring 390 is fixedly connected to the sliding block 330.
According to some embodiments of the present application, the telescopic rod 520 includes a sleeve 521 connected to the reinforcing rod 510 and a sliding rod 522 inserted into the sleeve 521, and the telescopic rod 520 is freely extended and retracted to limit the position and the moving direction of the supporting frame 320.
It should be noted that two limiting plates extend outwards from two sides of the beam 100 in the length direction, and the sleeve 521 passes through the limiting plates in the vertical direction.
According to some embodiments of the present application, the hook base 200 is disposed at the top center of the cross beam 100, the reinforcing blocks 120 are uniformly spaced on both sides of the hook base 200, and the two hanging rings 210 are symmetrically disposed on both sides of the top of the hook base 200.
According to some embodiments of the application, the use method of the steel beam hoisting clamp comprises the following specific steps:
A. when the device is used, the hoisting machine is connected with the hoisting ring 210 on the lifting hook base 200 to drive the whole device to be above the I-shaped steel beam and contact the steel beam, and then the whole device is lowered by the hoisting machine;
B. after the pulley 370 at the bottom of the U-shaped clamp 360 contacts the i-shaped steel beam, the pulley 370 at the bottom of the U-shaped clamp 360 is pressed down by the gravity of the cross beam 100 to drive the four connecting arms 310 to rotate, so that the two connecting arms 310 drive the two sliders 330 and the sliding plate 350, the two sliders 330 drive the two U-shaped clamps 360 to be away from each other, the pulley 370 at the bottom of the U-shaped clamp 360 slides on the top of the i-shaped steel beam, and after the pulley 370 is separated from the top of the i-shaped steel beam, the four U-shaped clamps 360 move downward and are positioned at the front side and the rear side of the i-shaped steel beam, and are supported by the four supporting springs 390 and the sliding plate 350, so that the four U-shaped clamps 360 clamp the i-shaped steel beam;
C. when an I-shaped steel beam is hoisted, a crane pulls a hook base 200, so that the hook base 200 pulls a beam 100 to move upwards, the beam 100 pulls four connecting arms 310, so that two corresponding U-shaped clamps 360 hoist the I-shaped steel beam, the angle between the connecting arms 310 is reduced, two corresponding sliding plates 350 are tightened, the two U-shaped clamps 360 are close to each other, so that the U-shaped clamps 360 clamp the I-shaped steel beam, the angle between the two connecting arms 310 at one end with a wider width is controlled to be increased according to the difference value of the widths of the two ends of the I-shaped steel beam obtained by two optical dimension measuring sensor signals in the clamping process, the angle between the two connecting arms 310 at one end with a narrower width is controlled to be reduced, and the electronic control telescopic driving power supplies of all the connecting arms 310 are disconnected until the digital difference values displayed by two pressure sensors are zero;
D. when the beam 100 moves upwards, the beam 100 drives the two second L-shaped plates 440 and the two first piston cylinders 450 to move upwards, because the support frame 320 is kept stationary during the rotation of the connecting arm 310, the first push plate connected to the support plate 410 is in contact with the first piston cylinders 450 and extrudes the first piston cylinders 450, the gas in the first piston cylinders 450 enters the second piston cylinders 460 through the connecting pipes 470 after being compressed, and the second piston cylinders 460 are expanded after being pressurized, so that the four second piston cylinders 460 drive the press plate 420 to move downwards and are in close contact with the i-shaped steel beam, thereby further limiting the i-shaped steel beam.
To sum up, the invention relates to the technical field of building equipment, and discloses a clamp for hoisting a steel beam and a using method thereof, wherein the clamp comprises the following steps: a beam and a hook base; clamping mechanisms are symmetrically arranged at two ends of the bottom of the cross beam, a stabilizing mechanism is arranged between the clamping mechanisms, and a positioning mechanism is arranged at the upper end of each clamping mechanism; press from both sides and get mechanism including connecting in two linking arms of crossbeam bottom, set up in the support frame of linking arm bottom, and set up on the support frame, along support frame downwardly extending's slider, the both ends of linking arm are connected respectively in the articulated seat at crossbeam bottom and slider top, the center of support frame is provided with the slide along its length direction, support frame length direction's both sides are provided with the spacing groove, the inboard of support frame is provided with the extension board, be connected with a plurality of connecting rods between the extension board, the both sides of slider are provided with the slide, the slide inserts to the spacing inslot, the bottom symmetry of slider is provided with U type anchor clamps, it gets the space to form to press from both sides between two U type anchor clamps, the bottom of U type anchor clamps is provided with the pulley.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (8)
1. A fixture for hoisting a steel beam comprises: the lifting hook comprises a cross beam (100) and a hook base (200) arranged at the top of the cross beam (100); the device is characterized in that a balance block (110) is arranged at the center of the bottom of the cross beam (100), clamping mechanisms (300) are symmetrically arranged at two ends of the bottom of the cross beam (100), a stabilizing mechanism (400) is arranged between the clamping mechanisms (300), and a positioning mechanism (500) is arranged at the upper end of each clamping mechanism (300); press from both sides and get mechanism (300) including connecting in two linking arm (310) of crossbeam (100) bottom, set up in support frame (320) of linking arm (310) bottom to and set up on support frame (320), along slider (330) of support frame (320) downwardly extending, the both ends of linking arm (310) are connected respectively in articulated seat (340) at crossbeam (100) bottom and slider (330) top, the center of support frame (320) is provided with slide (321) along its length direction, and the both sides of support frame (320) length direction are provided with spacing groove (322), and the inboard of support frame (320) is provided with extension board (323), be connected with a plurality of connecting rods (324) between extension board (323), the both sides of slider (330) are provided with slide (350), slide (350) insert to spacing groove (322) in, the bottom symmetry of slider (330) is provided with U type anchor clamps (360), forms between two U type anchor clamps (360) to press from both sides and gets the space, the bottom of U type anchor clamps (360) is provided with pulley (370).
2. A clamp for steel beam hoisting according to claim 1, wherein the bottom of each of the two support frames (320) is provided with an optical dimension measuring sensor, the optical dimension measuring sensors are used for providing a pressure sensor on any one of the U-shaped clamps (360) on the same side, an electrically controlled telescopic rod (380) is arranged between the connecting arms (310) on the same side, and the electrically controlled telescopic action of the electrically controlled telescopic rod (380) is responsive to the difference between the signals of the two optical dimension measuring sensors and the difference between the two pressure sensors.
3. A clamp for hoisting a steel beam according to claim 1, wherein the positioning mechanism (500) comprises a reinforcing rod (510) connected to the top of the beam (100) and a telescopic rod (520) arranged at the bottom of the reinforcing rod (510), the reinforcing rod (510) is L-shaped, the telescopic rod (520) penetrates through the beam (100) in the vertical direction, and the bottom of the telescopic rod (520) is connected to the support frame (320).
4. The clamp for steel beam hoisting according to claim 1, wherein the stabilizing mechanism (400) comprises supporting plates (410) arranged between the supporting frames (320), pressing plates (420) arranged at the bottom of the supporting plates (410), first L-shaped plates (430) arranged at both ends of the supporting plates (410) in the length direction, second L-shaped plates (440) arranged at the lower ends of the beams (100), first piston cylinders (450) arranged between the transverse portions of the first L-shaped plates (430) and the second L-shaped plates (440), second piston cylinders (460) vertically penetrating the supporting plates (410), and connecting pipes (470) connected between the first piston cylinders (450) and the second piston cylinders (460), wherein the transverse portions of the first L-shaped plates (430) and the second L-shaped plates (440) are arranged at intervals up and down to form extrusion chambers, the first piston cylinders (450) are connected to both ends of the extrusion chambers of the steel beams, fixing sleeves (480) are arranged on the connecting pipes (470), the balance blocks (110) extend upwards, the bottoms of the second piston cylinders (460) are connected to the pressing plates (420), and are used for pushing the pressing plates (420) to move up and down.
5. A clamp for steel beam hoisting according to claim 1, wherein a support spring (390) is arranged in the slideway (321), one end of the support spring (390) is fixedly connected with the inner wall of the slideway (321), and the other end of the support spring (390) is fixedly connected with the sliding block (330).
6. The steel beam hoisting clamp according to claim 1, wherein the telescopic rod (520) comprises a sleeve (521) connected to the reinforcing rod (510) and a sliding rod (522) inserted into the sleeve (521), and the telescopic rod (520) can freely extend and retract to limit the position and the moving direction of the support frame (320).
7. The steel beam hoisting clamp according to claim 1, wherein the hook base (200) is arranged at the center of the top of the cross beam (100), a plurality of reinforcing blocks (120) are uniformly arranged on two sides of the hook base (200) at intervals, and two hanging rings (210) are symmetrically arranged on two sides of the top of the hook base (200).
8. The use method of the steel beam hoisting clamp applied to any one of claims 1 to 7 is characterized by comprising the following specific steps of:
A. when the device is used, a lifting machine is connected with a lifting ring (210) on a lifting hook base (200), the whole device is driven to be above an I-shaped steel beam and is in contact with the steel beam, and then the whole device is lowered down by the lifting machine;
B. after the pulleys (370) at the bottoms of the U-shaped clamps (360) are contacted with the I-shaped steel beam, the four connecting arms (310) are driven to rotate by pressing down through the gravity of the cross beam (100), the two corresponding connecting arms (310) drive the two sliding blocks (330) and the sliding plate (350), the two sliding blocks (330) drive the two U-shaped clamps (360) to be away from each other, at the moment, the pulleys (370) at the bottoms of the U-shaped clamps (360) slide on the top of the I-shaped steel beam, and after the pulleys (370) are separated from the top of the I-shaped steel beam, the four U-shaped clamps (360) move downwards and are positioned at the front side and the rear side of the I-shaped steel beam and are supported by the four supporting springs (390) and the sliding plate (350), so that the four U-shaped clamps (360) clamp the I-shaped steel beam;
C. when an I-shaped steel beam is lifted, a crane pulls a lifting hook base (200), so that the lifting hook base (200) pulls a cross beam (100) to move upwards, the cross beam (100) pulls four connecting arms (310), the I-shaped steel beam is lifted by two corresponding U-shaped clamps (360), the angle between the connecting arms (310) is reduced, two corresponding sliding plates (350) are tightened, the two U-shaped clamps (360) are close to each other, the I-shaped steel beam is clamped by the U-shaped clamps (360), the angle between the two connecting arms (310) at one end with a wider width is controlled to be increased according to the difference value of the widths of the two ends of the I-shaped steel beam obtained by two optical dimension measurement sensor signals in the clamping process, the angle between the two connecting arms (310) at one end with the narrower width is controlled to be reduced, and the electric control telescopic driving power supplies of all the connecting arms (310) are disconnected until the digital difference value displayed by the two pressure sensors is zero;
D. when the beam (100) moves upwards, the beam (100) drives the two second L-shaped plates (440) and the two first piston cylinders (450) to move upwards, the support frame (320) is kept still in the rotating process of the connecting arm (310), so that the first push plates connected to the support plate (410) are in contact with the first piston cylinders (450) and extrude the first piston cylinders (450), gas in the first piston cylinders (450) enters the second piston cylinders (460) through the connecting pipes (470) after being compressed, the second piston cylinders (460) extend after being pressurized, and the four second piston cylinders (460) drive the pressure plates (420) to move downwards and tightly contact with the I-shaped steel beams to further limit the I-shaped steel beams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210666370.3A CN115196494A (en) | 2022-06-14 | 2022-06-14 | Clamp for hoisting steel beam and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210666370.3A CN115196494A (en) | 2022-06-14 | 2022-06-14 | Clamp for hoisting steel beam and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115196494A true CN115196494A (en) | 2022-10-18 |
Family
ID=83576322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210666370.3A Pending CN115196494A (en) | 2022-06-14 | 2022-06-14 | Clamp for hoisting steel beam and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115196494A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116040461A (en) * | 2023-03-31 | 2023-05-02 | 金鼎重工有限公司 | Hoisting clamp for H-shaped steel beam |
| CN116873741A (en) * | 2023-09-08 | 2023-10-13 | 河北天昕建设集团有限公司 | Self-locking clamp type H-shaped steel beam hoisting equipment |
| CN117088236A (en) * | 2023-09-26 | 2023-11-21 | 南通顺祥钢结构有限公司 | Steel construction lifting device |
| CN117585584A (en) * | 2024-01-18 | 2024-02-23 | 山西八建集团有限公司 | Lifting device for hoisting heavy steel structure |
| CN118149954A (en) * | 2024-05-11 | 2024-06-07 | 常州恒尔称重设备制造有限公司 | Welding quality detection device and method for truck scale |
-
2022
- 2022-06-14 CN CN202210666370.3A patent/CN115196494A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116040461A (en) * | 2023-03-31 | 2023-05-02 | 金鼎重工有限公司 | Hoisting clamp for H-shaped steel beam |
| CN116040461B (en) * | 2023-03-31 | 2023-06-06 | 金鼎重工有限公司 | Hoisting clamp for H-shaped steel beam |
| CN116873741A (en) * | 2023-09-08 | 2023-10-13 | 河北天昕建设集团有限公司 | Self-locking clamp type H-shaped steel beam hoisting equipment |
| CN116873741B (en) * | 2023-09-08 | 2024-01-23 | 河北天昕建设集团有限公司 | Self-locking clamp type H-shaped steel beam hoisting equipment |
| CN117088236A (en) * | 2023-09-26 | 2023-11-21 | 南通顺祥钢结构有限公司 | Steel construction lifting device |
| CN117088236B (en) * | 2023-09-26 | 2024-04-12 | 南通顺祥钢结构有限公司 | Steel construction lifting device |
| CN117585584A (en) * | 2024-01-18 | 2024-02-23 | 山西八建集团有限公司 | Lifting device for hoisting heavy steel structure |
| CN117585584B (en) * | 2024-01-18 | 2024-03-22 | 山西八建集团有限公司 | Lifting device for hoisting heavy steel structure |
| CN118149954A (en) * | 2024-05-11 | 2024-06-07 | 常州恒尔称重设备制造有限公司 | Welding quality detection device and method for truck scale |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115196494A (en) | Clamp for hoisting steel beam and using method thereof | |
| CN111255245B (en) | Multipoint support type mounting construction process for truss steel structure engineering | |
| CN108584692B (en) | guide and guard fixture equipment for hoisting | |
| CN210665269U (en) | Adjustable fixture for three-point and four-point bending universal testing machine | |
| CN111947913A (en) | Steel truss constructional engineering quality detection method | |
| CN216997259U (en) | Large-scale hoist of adjustable focus | |
| CN215626142U (en) | Accurate balanced hoist of building prefabricated component | |
| CN213363642U (en) | Automatic detection device with lifting mechanism | |
| CN114147756A (en) | Gripper and mechanical arm for assembling large-tonnage prefabricated structural block | |
| CN210884899U (en) | Hoist steel reinforcement cage hoist | |
| CN210788901U (en) | Clamp for connecting and fixing drawing die and drawing machine | |
| CN220482047U (en) | Movable side die device | |
| CN218931468U (en) | Hoisting structure and steel structure transfer equipment for manufacturing steel structure factory building | |
| CN216785436U (en) | Lifting tool for steel bar truss floor support plate | |
| CN217812407U (en) | Overlength concrete wall shrinkage crack control structure | |
| CN221295934U (en) | Anti-swing device of single-beam crane | |
| CN219901200U (en) | T-shaped product multi-acupoint tool clamp | |
| CN117779633B (en) | Super-large bridge girder installation construction method | |
| JPS6214005Y2 (en) | ||
| CN221191219U (en) | Auxiliary lifting appliance for horizontally lifting long and straight parts | |
| CN212085723U (en) | Easy-to-install bridge fixing hanger | |
| CN216397584U (en) | Device for unreeling material on construction site | |
| CN219925765U (en) | Assembled steel construction building square steel locating platform | |
| CN216616791U (en) | Cantilever frame triangular support device | |
| CN219009661U (en) | Hoisting tool with adjustable be used for high-voltage motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |