CN114892526B - Overhead hoist is used in steel case roof beam construction - Google Patents
Overhead hoist is used in steel case roof beam construction Download PDFInfo
- Publication number
- CN114892526B CN114892526B CN202210512861.2A CN202210512861A CN114892526B CN 114892526 B CN114892526 B CN 114892526B CN 202210512861 A CN202210512861 A CN 202210512861A CN 114892526 B CN114892526 B CN 114892526B
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- Prior art keywords
- box girder
- telescopic rod
- steel box
- wire rope
- hydraulic telescopic
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 90
- 239000010959 steel Substances 0.000 title claims abstract description 90
- 238000010276 construction Methods 0.000 title claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 13
- 230000008093 supporting effect Effects 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 17
- 238000011900 installation process Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention discloses a hoisting device for steel box girder construction, which comprises a machine body and a hydraulic telescopic rod, wherein an amplitude cylinder for adjusting the hydraulic telescopic rod is arranged on the machine body, an upper bolster is fixed at the top end of the hydraulic telescopic rod, a stiffening beam is arranged between the upper bolster and the hydraulic telescopic rod, a rotation adjusting mechanism for adjusting the installation angle of the steel box girder is arranged under the upper bolster, and the rotation adjusting mechanism is connected with the steel box girder through a plurality of symmetrically uniformly distributed lifting ropes; the rotating and adjusting mechanism is connected with the upper bearing beam through a steel wire rope, one end of the steel wire rope is fixed on the stiffening beam, and the other end of the steel wire rope sequentially passes through the rotating and adjusting mechanism and the upper bearing beam and then is connected with a winch on the machine body; according to the scheme, the steel box girder can be kept high in stability in the lifting and lifting process, and is horizontally rotated in the lifting process, so that the steel box girder can be kept at a required position angle in the installation process in advance, the installation is convenient, the use of other auxiliary equipment is reduced, and the working efficiency and the installation accuracy are improved.
Description
Technical Field
The invention relates to the technical field of steel box girder construction, in particular to a hoisting device for steel box girder construction.
Background
The steel box girder is a structure form commonly adopted in engineering, and is widely and widely applied in bridge construction; in the hoisting process of the steel box girder, lifting lugs are welded on the periphery of the surface of the steel box girder, and hoisting transportation of the steel box girder is completed after a steel wire rope is pulled by a hoisting machine to be connected with the lifting lugs; because the volume structure of the steel box girder is larger, the steel box girder is easy to shake and rotate in the lifting process, so that the steel box girder cannot be kept relatively stable in the mounting process, and the rotation of the steel box girder has a certain influence on the mounting precision, so that the steel box girder cannot be accurately placed at a designated position, the folding precision of the steel box girder is finally influenced, the construction efficiency is low, and the construction quality is poor.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a hoisting device for steel box girder construction, which can ensure that the steel box girder keeps higher stability in the hoisting and lifting process, avoid great shaking, horizontally rotate in the hoisting process of the steel box girder, ensure that the steel box girder keeps the required position angle when being close to and installed in advance, facilitate the installation of the steel box girder, reduce the use of other auxiliary equipment, improve the working efficiency and the installation precision, reduce the manual touch deviation adjustment and centering and ensure the safety.
The technical scheme of the invention is as follows:
the lifting device for the construction of the steel box girder comprises a machine body and a hydraulic telescopic rod rotatably installed on the machine body, wherein a luffing cylinder for adjusting the angle of the hydraulic telescopic rod is also installed on the machine body; the rotary adjusting mechanism is connected with the upper bearing beam through a steel wire rope, one end of the steel wire rope is fixed on the stiffening beam, and the other end of the steel wire rope sequentially penetrates through the rotary adjusting mechanism and the upper bearing beam and then is connected with a winch on the machine body.
Preferably, the rotation adjusting mechanism comprises a hanging plate I and a hanging plate II which are arranged up and down correspondingly, and the hanging plate I is fixedly connected with the hanging plate II through a threaded rod; the top surface of the first hanging plate is provided with movable pulleys which are symmetrically arranged side by side, and the movable pulleys are lapped on the steel wire rope; the lifting rope lifting device is characterized in that a rotating shaft which is arranged vertically is further rotatably arranged between the first lifting plate and the second lifting plate, a connecting shaft which is coaxially arranged with the rotating shaft is fixed on the bottom surface of the rotating shaft, and the connecting shaft penetrates through the second lifting plate and is fixedly arranged to be connected with the third lifting plate of the lifting rope.
Preferably, the second hanging plate is further provided with a motor for driving the rotating shaft to rotate, the rotating shaft is sleeved with a toothed ring, the output shaft of the motor is fixedly provided with a horizontally arranged gear, and the toothed ring is meshed with the gear for transmission.
Preferably, a limiting bar arranged vertically is fixed on the circumferential outer wall of the rotating shaft, a limiting groove matched with the limiting bar is arranged on the inner side wall of the toothed ring, and the limiting bar is inserted and installed in the limiting groove.
Preferably, the top of pivot is installed through bearing rotation the bottom surface of hanger plate one, the bottom of pivot is installed through bearing rotation the top surface of hanger plate two, offer on the top surface of hanger plate two and be used for installing the mounting groove of bearing two, offer on the bottom surface of mounting groove and be used for the through-hole that the connecting axle runs through, still be provided with spout one on the inslot bottom surface of mounting groove, spout one be the ring structure, and with the coaxial setting of pivot, be provided with on the bottom surface of pivot with spout two corresponding spout two of spout, set up a plurality of ball between spout one and the spout two.
Preferably, the first fixed pulley and the second fixed pulley are respectively rotatably arranged on two symmetrical sides of the upper bolster, and the steel wire rope is put on the first fixed pulley and the second fixed pulley.
Preferably, the middle part position of the hydraulic telescopic rod is provided with a support frame, the support frame is perpendicular to the hydraulic telescopic rod, one end of the support frame is fixedly connected to the surface of the hydraulic telescopic rod, and the other end of the support frame is rotatably provided with a guide wheel for lap-joint supporting the steel wire rope.
The invention has the beneficial effects that:
the lifting device for the steel box girder construction is convenient to operate, and can keep high stability of the steel box girder in the lifting and lifting process, so that the steel box girder is prevented from shaking greatly; the horizontal swivel is carried out in the process of lifting the steel box girder, so that the steel box girder can be kept close to the required position angle during installation in advance, the installation of the steel box girder is facilitated, the use of other auxiliary equipment is reduced, the working efficiency and the installation precision are improved, the manual touch deviation adjustment and centering are reduced, and the safety is ensured.
Drawings
Fig. 1 is a schematic diagram of the whole structure of a lifting device for steel box girder construction;
FIG. 2 is a schematic diagram of a rotation adjustment mechanism according to the present invention;
FIG. 3 is a schematic cross-sectional view of FIG. 2;
FIG. 4 is a schematic view of a cross-sectional structure of a hanger plate according to the present invention;
FIG. 5 is a schematic top view of a hanger plate according to the present invention;
FIG. 6 is a schematic diagram of a cross-sectional structure of a spindle according to the present invention;
FIG. 7 is a schematic view of a bottom view of a rotating shaft according to the present invention;
FIG. 8 is a schematic top view of the toothed ring according to the present invention;
fig. 9 is a schematic diagram of three top-view structures of a hanger plate according to the present invention;
in the figure, 1, a machine body; 101. a luffing cylinder; 102. a hoist;
2. a hydraulic telescopic rod; 201. a support frame; 202. a guide wheel;
3. an upper bolster; 301. a fixed pulley I; 302. a fixed pulley II;
4. a stiffening beam; 401. a fixing plate;
5. a rotation adjustment mechanism; 51. a hanging plate I; 511. a first bearing; 52. a hanging plate II; 521. a second bearing; 522. a mounting groove; 523. a first chute; 524. a through hole; 525. a threaded hole; 53. a threaded rod; 54. a movable pulley; 55. a rotating shaft; 551. a limit bar; 552. a connecting shaft; 553. a second chute; 56. a toothed ring; 561. a limit groove; 57. a motor; 571. a gear; 58. a hanging plate III; 581. a lifting hook; 59. a ball;
6. a hanging rope;
7. a steel box girder;
8. a wire rope;
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It is to be understood that the terms "horizontal, vertical, top, bottom, sides, above, below, symmetrical", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for purposes of describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore are not to be construed as limiting the present invention.
The invention provides a lifting device for steel box girder construction, which is shown in fig. 1 to 9, and comprises a machine body 1 and a vertically arranged hydraulic telescopic rod 2, wherein the bottom end of the hydraulic telescopic rod 2 is rotatably arranged on the machine body 1, a vertically arranged luffing cylinder 101 is arranged on the top surface of the machine body 1, the top end of a telescopic section of the luffing cylinder 101 is rotatably arranged on the machine body 1, and the rotation angle of the hydraulic telescopic rod 2 on the machine body 1 is changed through the expansion of the luffing cylinder 101 so as to achieve the luffing effect; in addition, an upper spandrel girder 3 which is horizontally arranged is fixedly connected to the top surface of the hydraulic telescopic rod 2, the upper spandrel girder 3 covers the top surface of the hydraulic telescopic rod 2, a reinforcing girder 4 is fixedly arranged between the upper spandrel girder 3 and an included angle formed by the hydraulic telescopic rod 2, and the reinforcing girder 4 is arranged to play a supporting effect on the upper spandrel girder 3, so that the connection strength between the upper spandrel girder 3 and the hydraulic telescopic rod 2 is enhanced, and the phenomenon that the upper spandrel girder 3 is bent and broken is avoided; in addition, a rotation adjusting mechanism 5 is arranged right below the upper bolster 3, and the rotation adjusting mechanism 5 is connected with a steel box girder 7 through a plurality of symmetrically and uniformly distributed lifting ropes 6; the rotation adjusting mechanism 5 is connected with the upper bolster 3 through a steel wire rope 8, wherein one end of the steel wire rope 8 is fixedly connected to a fixed plate 401 of the stiffening beam 4, and after sequentially passing through the rotation adjusting mechanism 5 and the upper bolster 3, the other end of the steel wire rope 8 extends along the direction of the hydraulic telescopic rod 2 and is finally fixedly connected with a winch 102 arranged on the machine body 1, the steel wire rope 8 is wound and stored through the winch 102, so that the suspended length of the steel wire rope 8 is changed, the height of the rotation adjusting mechanism 5 is adjusted by the steel wire rope 8, and the steel box girder 7 is lifted; in the process of lifting the steel box girder 7, the steel box girder 7 is driven to axially rotate in the horizontal direction by rotating the rotation adjusting mechanism 5, so that the steel box girder 7 can be horizontally rotated in the lifting process, other auxiliary equipment and manual operation are not needed any more, the construction efficiency of the steel box girder is improved, and the installation accuracy of the steel box girder is guaranteed.
It should be noted that, in the embodiment of the present invention, the rotation adjusting mechanism 5 includes a first hanger plate 51 and a second hanger plate 52 which are vertically and correspondingly arranged, the first hanger plate 51 and the second hanger plate 52 are horizontally arranged, and a plurality of vertical and uniformly distributed threaded rods 53 are installed between the first hanger plate 51 and the second hanger plate 52 for connecting the first hanger plate 51 and the second hanger plate 52, and threaded holes 525 for installing the threaded rods 53 are formed on the bottom surface of the first hanger plate 51 and the top surface of the second hanger plate 52; in addition, two movable pulleys 54 which are symmetrically arranged side by side are arranged on the top surface of the first hanging plate 51, the two movable pulleys 54 are respectively positioned on two sides of the top surface of the first hanging plate 51 and are lapped on the steel wire rope 8, the two movable pulleys 54 are driven to synchronously move through the steel wire rope 8, and then the movable pulleys 54 drive the horizontally arranged first hanging plate 51 to move, so that the up-and-down displacement of the rotation adjusting mechanism 5 is realized; in addition, through setting up two movable pulleys 54 interval, make wire rope 8 take place to bend after producing certain interval through two movable pulleys 54, at wire rope 8 promotion hanger plate one 51's in-process, wire rope 8 is equivalent to exerting the lifting force simultaneously to hanger plate one 51's both sides, makes hanger plate one 51 more steady at the in-process of promoting, avoids wire rope 8 to take place to twist reverse the phenomenon of rocking.
Further, as shown in fig. 3 and 9, in the embodiment of the present invention, a rotation shaft 55 is installed between the first hanger plate 51 and the second hanger plate 52, the rotation shaft 55 is vertically disposed, and the rotation shaft 55 is rotatably installed between the first hanger plate 51 and the second hanger plate 52; in addition, a connecting shaft 552 is fixedly arranged on the bottom surface of the rotating shaft 55, the connecting shaft 552 is vertically arranged and is coaxial with the rotating shaft 55, and when the rotating shaft 55 rotates, the connecting shaft 552 is driven to rotate together; in addition, the connecting shaft 552 penetrates through the hanging plate two 52, the bottom end of the connecting shaft 552 is fixedly connected with a hanging plate three 58 which is horizontally arranged after penetrating through the hanging plate two 52, the hanging plate three 58 is a rectangular structural plate, the bottom surface of the connecting shaft 552 is fixed at the center position of the top surface of the hanging plate three 58, lifting hooks 581 are fixedly arranged at four corner positions of the bottom surface of the hanging plate three 58 respectively, and the lifting hooks 581 are used for installing and connecting the hanging ropes 6 and are used for lifting the steel box girders 7; when the steel wire rope 8 drives the lifting plate I51 to lift, the lifting plate I51 drives the lifting plate II 52 to synchronously lift through the threaded rod 53, so that the rotating shaft 55 arranged between the lifting plate I51 and the lifting plate II 52 is lifted along with the lifting plate I51 and the lifting plate II 52, and the lifting plate III 58 is driven to lift through the lifting of the rotating shaft 55, so that the steel box girder 7 is lifted; in the process of lifting the steel box girder 7, the rotating shaft 55 is rotated to drive the hanging plate III 58 to axially rotate on the horizontal plane, so that the steel box girder 7 is driven to rotate, the position of the steel box girder 7 is adjusted, and the steel box girder 7 is convenient to draw close and mount.
It should be noted that, as shown in fig. 3, in the embodiment of the present invention, a motor 57 is fixedly installed on the top surface of the second hanger plate 52, and the motor 57 is used for driving the rotating shaft 55 to axially rotate; the outside of the rotating shaft 55 is sleeved with a horizontally arranged toothed ring 56, the toothed ring 56 and the rotating shaft 55 are coaxially arranged, a horizontally arranged gear 571 is fixedly arranged on the output shaft of the motor 57, and the gear 571 is in fit engagement with the toothed ring 56 and is driven; when the motor 57 starts to operate, the output shaft drives the gear 571 to rotate, and the gear 571 and the toothed ring 56 are meshed with each other, so that the gear 571 drives the toothed ring 56 to rotate, and then the toothed ring 56 drives the rotating shaft 55 to synchronously rotate together, thereby realizing adjustment of the rotation angle of the hanging plate III 58 and meeting the requirement of accurate installation of the steel box girder 7.
Further, as shown in fig. 6 to 8, in the specific embodiment of the present invention, the circumferential outer wall of the rotating shaft 55 is fixed with symmetrically and uniformly distributed limiting strips 551, the limiting strips 551 are vertically arranged, and the inner side wall of the toothed ring 56 is provided with limiting grooves 561 adapted to the limiting strips 551, the limiting strips 551 are inserted and mounted into the limiting grooves 561, and through the limiting mounting between the limiting strips 551 and the limiting grooves 561, the situation that the toothed ring 56 slips and rotates relatively with the surface of the rotating shaft 55 during rotation is avoided, the transmission efficiency of the toothed ring 56 and the rotating shaft 55 is improved, and the toothed ring 56 and the rotating shaft 55 are stably transmitted.
It should be noted that, as shown in fig. 3 to 7, in the embodiment of the present invention, the top end of the rotating shaft 55 is rotatably installed at the center position of the bottom surface of the hanging plate one 51 through the bearing one 511, the top end of the rotating shaft 55 is fixedly installed in the inner ring of the bearing one 511, the outer ring of the bearing 551 is fixedly connected to the bottom surface of the hanging plate one 51, and by providing the bearing one 511, the friction loss between the rotating shaft 55 and the hanging plate one 51 is reduced while the rotating shaft 55 can axially rotate; in addition, the bottom end of the rotating shaft 55 is rotatably installed on the top surface of the second hanging plate 52 through a second bearing 521, a mounting groove 522 for installing the second bearing 521 is formed in the top surface of the second hanging plate 52, the outer ring of the second bearing 521 is fixed in the mounting groove 522, and the bottom end of the rotating shaft 55 is fixedly installed in the inner ring of the second bearing 521; a through hole 524 is formed in the bottom surface of the mounting groove 522, the through hole 524 penetrates through the hanging plate II 52, the diameter of the through hole 524 is larger than that of the connecting shaft 552 and smaller than that of the rotating shaft 55, the through hole is used for enabling the connecting shaft 552 to penetrate through on one hand, and on the other hand, the through hole 524 plays a role in lap joint support on the rotating shaft 55, so that the rotating shaft 55 is prevented from falling off from the hanging plate II 52; in addition, a first runner 523 is further formed on the bottom surface in the mounting groove 522, the first runner 523 is in a circular ring structure and is coaxially arranged with the rotating shaft 55, and the diameter of the first runner 523 is larger than the diameter of the through hole 524 and smaller than the diameter of the inner ring of the second bearing 521; the bottom surface of the rotating shaft 55 is provided with a second chute 553 corresponding to the first chute 523, the first chute 523 and the second chute 553 together form a circular channel, a plurality of balls 59 are arranged in the circular channel, the diameters of the balls 59 are slightly larger than those of the first chute 523 and the second chute 553, the balls 59 can limit rolling between the first chute 523 and the second chute 553, and friction loss between the bottom surface of the rotating shaft 55 and the mounting groove 522 is reduced, kinetic energy loss is reduced, and transmission efficiency is improved by arranging the balls 59.
It should be further noted that, in the specific embodiment of the present invention, as shown in fig. 1, the first fixed pulley 301 and the second fixed pulley 302 are respectively installed at the left and right side ends of the upper bolster 3, the wire rope 8 sequentially bypasses the first fixed pulley 301 and the second fixed pulley 302, and by providing the first fixed pulley 301 and the second fixed pulley 302, the direction of the wire rope 8 is changed, and on the other hand, the wire rope 8 is prevented from directly contacting the upper bolster 3, so as to reduce friction and power loss of the device.
Further, as shown in fig. 1, in the embodiment of the present invention, a supporting frame 201 is installed at a middle position of the hydraulic telescopic rod 2, the supporting frame 201 is perpendicular to the hydraulic telescopic rod 2, one end of the supporting frame 201 is fixed on a side wall of the hydraulic telescopic rod 2, which is away from the rotation adjusting mechanism 5, a guiding wheel 202 is installed at the other end of the supporting frame 201, and the steel wire rope 8 passes through the guiding wheel 202 in a lap joint manner and is connected to the hoist 102; through setting up support frame 201 and leading wheel 202, support 8 on the steel wire, make wire rope 8 be in the tensioning state, avoid wire rope 8 to appear becoming flexible and the steel wire that leads to become to drop from last spandrel girder 3, improve the mountability that the device used, guarantee steel box girder 7 steady handling and installation.
The use process and principle of the device are as follows:
when the device is used, firstly, four lifting ropes 6 are respectively and fixedly arranged at four corner positions of a steel box girder 7 to be transferred, then the four lifting ropes 6 are respectively connected to four lifting hooks 581 on the bottom surface of a lifting plate III 58, and the lifting ropes 6 are not in cross contact with each other; then starting the winch 102, and after the winch 102 is started, winding and storing the steel wire rope 8 by a winding reel, so that the suspension length of the steel wire rope 8 is shortened, and further, the rotation adjusting mechanism 5 and the steel box girder are driven by the steel wire rope 8 to be lifted upwards; when the rotation adjusting mechanism 5 is lifted, the motor 57 in the rotation adjusting mechanism 5 is controlled to drive the rotation of the rotating shaft 55 in the rotation adjusting mechanism 5, the lifting plate III 58 is driven to rotate through the rotation of the rotating shaft 55, the adjustment of the position angle of the steel box girder 7 is realized, the installation angle of the steel box girder 7 can be adjusted in the lifting and lifting process, after the lifting and lifting process reaches the designated position, the steel box girder 7 can be quickly closed and installed, the use of other auxiliary equipment and manual operation are reduced, the construction efficiency is improved, and the life safety of personnel is ensured.
The foregoing description of specific embodiments of the invention has been presented for the purpose of illustration and example, but it is not intended to limit the invention to the precise form disclosed, and it is apparent that numerous modifications and variations are possible in light of the above description, with the examples being chosen and described in order to explain the principles of the invention and its practical application to thereby enable one skilled in the art to make and utilize the invention in various embodiments and with various modifications and variations. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (3)
1. The lifting device for the construction of the steel box girder comprises a machine body (1) and a hydraulic telescopic rod (2) rotatably installed on the machine body (1), wherein a luffing cylinder (101) for adjusting the angle of the hydraulic telescopic rod (2) is further installed on the machine body (1), and the lifting device is characterized in that an upper bolster (3) horizontally arranged is fixed at the top end of the hydraulic telescopic rod (2), a stiffening beam (4) is arranged at the position of an included angle between the upper bolster (3) and the hydraulic telescopic rod (2), a rotation adjusting mechanism (5) for adjusting the installation angle of the steel box girder (7) is arranged under the upper bolster (3), and the rotation adjusting mechanism (5) is connected with the steel box girder (7) through a plurality of lifting ropes (6) symmetrically and uniformly distributed; the rotating and adjusting mechanism (5) is connected with the upper bolster (3) through a steel wire rope (8), one end of the steel wire rope (8) is fixed on the stiffening beam (4), and the other end of the steel wire rope sequentially passes through the rotating and adjusting mechanism (5) and the upper bolster (3) and then is connected with a winch (102) on the machine body (1); the rotation adjusting mechanism (5) comprises a first hanging plate (51) and a second hanging plate (52) which are arranged up and down correspondingly, and the first hanging plate (51) and the second hanging plate (52) are fixedly connected through a threaded rod (53); a movable pulley (54) which is symmetrically arranged side by side is arranged on the top surface of the first hanging plate (51), and the movable pulley (54) is lapped on the steel wire rope (8); a rotating shaft (55) which is arranged vertically is also arranged between the first hanging plate (51) and the second hanging plate (52) in a rotating way, a connecting shaft (552) which is arranged coaxially with the rotating shaft is fixed on the bottom surface of the rotating shaft (55), and a third hanging plate (58) which is used for connecting the hanging rope (6) is fixedly arranged after the connecting shaft (552) penetrates through the second hanging plate (52); a motor (57) for driving the rotating shaft (55) to rotate is further arranged on the hanging plate II (52), a toothed ring (56) is sleeved on the rotating shaft (55), a horizontally arranged gear (571) is fixedly arranged on an output shaft of the motor (57), and the toothed ring (56) is meshed with the gear (571) for transmission; a limiting strip (551) which is vertically arranged is fixed on the circumferential outer wall of the rotating shaft (55), a limiting groove (561) which is matched with the limiting strip (551) is formed in the inner side wall of the toothed ring (56), and the limiting strip (551) is inserted and installed in the limiting groove (561); the top of pivot (55) is installed through bearing one (511) rotation the bottom surface of hanger plate one (51), the bottom of pivot (55) is installed through bearing two (521) rotations the top surface of hanger plate two (52), offer on the top surface of hanger plate two (52) be used for installing mounting groove (522) of bearing two (521), offer on the bottom surface of mounting groove (522) be used for through-hole (524) that connecting axle (552) run through, still be provided with spout one (523) on the inslot bottom surface of mounting groove (522), spout one (523) be the ring structure, and with pivot (55) coaxial setting, be provided with on the bottom surface of pivot (55) with spout two (553) corresponding to spout one (523), be provided with a plurality of ball (59) between spout one (523) and spout two (553).
2. The hoisting device for steel box girder construction according to claim 1, wherein a fixed pulley I (301) and a fixed pulley II (302) are rotatably mounted on two symmetrical sides of the upper bolster (3), respectively, and the steel wire rope (8) is put on the fixed pulley I (301) and the fixed pulley II (302).
3. The hoisting device for steel box girder construction according to claim 1, wherein a supporting frame (201) is installed at the middle position of the hydraulic telescopic rod (2), the supporting frame (201) is perpendicular to the hydraulic telescopic rod (2), one end of the supporting frame (201) is fixedly connected to the surface of the hydraulic telescopic rod (2), and a guide wheel (202) for lap-supporting the steel wire rope (8) is rotatably installed at the other end of the supporting frame (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210512861.2A CN114892526B (en) | 2022-05-12 | 2022-05-12 | Overhead hoist is used in steel case roof beam construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210512861.2A CN114892526B (en) | 2022-05-12 | 2022-05-12 | Overhead hoist is used in steel case roof beam construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114892526A CN114892526A (en) | 2022-08-12 |
| CN114892526B true CN114892526B (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210512861.2A Active CN114892526B (en) | 2022-05-12 | 2022-05-12 | Overhead hoist is used in steel case roof beam construction |
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| CN (1) | CN114892526B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117228525B (en) * | 2023-11-13 | 2024-02-02 | 哈尔滨安宇迪航空工业股份有限公司 | Hoisting equipment for processing aviation parts and use method thereof |
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| WO2022088053A1 (en) * | 2020-10-30 | 2022-05-05 | 中铁一局集团有限公司 | Girder transporting vehicle, girder transporting system, steel box girder assembly system, and steel box girder assembly method |
| CN217867645U (en) * | 2022-05-12 | 2022-11-22 | 中铁十局集团青岛工程有限公司 | Steel box girder overhead hoist |
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2022
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| WO2021109535A1 (en) * | 2019-12-04 | 2021-06-10 | 中铁上海工程局集团有限公司 | Construction method for assembling steel box girder above tramcar |
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| CN213651669U (en) * | 2020-10-27 | 2021-07-09 | 河南六建重工有限公司 | Hoisting device for bridge steel box girder |
| WO2022088053A1 (en) * | 2020-10-30 | 2022-05-05 | 中铁一局集团有限公司 | Girder transporting vehicle, girder transporting system, steel box girder assembly system, and steel box girder assembly method |
| CN113788413A (en) * | 2021-08-09 | 2021-12-14 | 中建八局第二建设有限公司 | Highway steel box girder stable hoisting equipment and hoisting construction method thereof |
| CN113737627A (en) * | 2021-09-29 | 2021-12-03 | 中铁广州工程局集团有限公司 | Construction method of small-radius curve high-low box special-shaped section steel box girder |
| CN217867645U (en) * | 2022-05-12 | 2022-11-22 | 中铁十局集团青岛工程有限公司 | Steel box girder overhead hoist |
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