CN114892526A - Hoisting device for steel box girder construction - Google Patents
Hoisting device for steel box girder construction Download PDFInfo
- Publication number
- CN114892526A CN114892526A CN202210512861.2A CN202210512861A CN114892526A CN 114892526 A CN114892526 A CN 114892526A CN 202210512861 A CN202210512861 A CN 202210512861A CN 114892526 A CN114892526 A CN 114892526A
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- steel box
- box girder
- telescopic rod
- hydraulic telescopic
- wire rope
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 96
- 239000010959 steel Substances 0.000 title claims abstract description 96
- 238000010276 construction Methods 0.000 title claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 25
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 15
- 230000001737 promoting effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Classifications
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- 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
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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
-
- 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
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- 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 a luffing cylinder for adjusting the hydraulic telescopic rod is arranged on the machine body, an upper bearing beam is fixed at the top end of the hydraulic telescopic rod, a reinforcing beam is arranged between the upper bearing beam and the hydraulic telescopic rod, a rotary adjusting mechanism for adjusting the installation angle of the steel box girder is arranged right below the upper bearing beam, and the rotary adjusting mechanism is connected with the steel box girder through a plurality of symmetrically and uniformly distributed lifting ropes; the rotation 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 penetrates through the rotation adjusting mechanism and the upper bearing beam in sequence and then is connected with a winch on the machine body; this scheme can make the steel box roof beam keep higher stationarity promoting the handling in-process, and the steel box roof beam is at the in-process that promotes and is carried out the level and turn, makes the steel box roof beam keep required position angle when installing in advance, and the installation of being convenient for reduces other auxiliary assembly's use, has improved work efficiency and installation accuracy.
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 structural form commonly adopted in engineering and is more and more widely applied to bridge construction; in the hoisting process of the steel box girder, lugs are welded on the periphery of the surface of the steel box girder, and the hoisting and the transportation of the steel box girder are completed after the steel wire rope is drawn by a hoist to be connected with the lugs; because the volume structure of steel box girder is great, very easily produce rocking and rotation at the in-process of handling, this steel box girder that just makes can not keep relatively stable in the installation to the rotation of steel box girder causes certain influence to the installation accuracy, makes unable accurate the laying in assigned position of steel box girder, and finally influences the precision of foldeing of steel box girder, causes the inefficiency of construction, the result that 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 process, avoid large-amplitude shaking, and can horizontally turn in the hoisting process of the steel box girder, so that the steel box girder keeps a position angle required by closing and 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 righting are reduced, and the safety is ensured.
The technical scheme of the invention is as follows:
a hoisting device for steel box girder construction comprises a machine body and a hydraulic telescopic rod rotatably mounted on the machine body, wherein a variable amplitude oil cylinder for adjusting the angle of the hydraulic telescopic rod is further mounted on the machine body; the rotation 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 penetrates through the rotation adjusting mechanism and the upper bearing beam in sequence and then is connected with a winch on the machine body.
Preferably, the rotation adjusting mechanism comprises a first hanging plate and a second hanging plate which are correspondingly arranged up and down, and the first hanging plate is fixedly connected with the second hanging plate 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 is characterized in that a vertically arranged rotating shaft is further rotatably mounted between the first lifting plate and the second lifting plate, a connecting shaft which is coaxial with the rotating shaft is fixed to the bottom surface of the rotating shaft, and the connecting shaft penetrates through the third lifting plate which is fixedly mounted behind the second lifting plate and is used for being connected with a 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, a horizontally arranged gear is fixedly mounted on an output shaft of the motor, and the toothed ring is in meshing transmission with the gear.
Preferably, a vertically arranged limiting strip is fixed on the circumferential outer wall of the rotating shaft, a limiting groove matched with the limiting strip is formed in the inner side wall of the gear ring, and the limiting strip is inserted into the limiting groove.
Preferably, the top of pivot is passed through one bearing and is rotated the installation and be in the bottom surface of hanger plate one, the bottom of pivot is passed through two bearings and is rotated the installation and be in the top surface of hanger plate two, offer on the top surface of hanger plate two and be used for the installation 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 is the ring structure, and with the coaxial setting of pivot, be provided with on the bottom surface of pivot with spout one corresponding spout two, set up the ball of a plurality of between spout one and the spout two.
Preferably, a first fixed pulley and a second fixed pulley are rotatably mounted on two symmetrical sides of the upper bolster respectively, and the steel wire rope is placed on the first fixed pulley and the second fixed pulley.
Preferably, a support frame is installed at the middle position of the hydraulic telescopic rod and 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 installed with a guide wheel for supporting the steel wire rope in an overlapping mode.
The invention has the beneficial effects that:
the hoisting device for steel box girder construction provided by the invention is convenient and fast to operate, can keep high stability of the steel box girder in the hoisting process, and avoids generating large-amplitude shaking; the in-process that promotes at the steel box girder carries out the level and turns, makes the steel box girder keep in advance drawing close required position angle when the installation, and the installation of the steel box girder of being convenient for reduces the use of other auxiliary assembly, has improved work efficiency and installation accuracy, reduces artifical touching tuningout and rights, guarantee safety.
Drawings
FIG. 1 is a schematic view of the overall structure of a lifting device for steel box girder construction provided by the invention;
FIG. 2 is a schematic view 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 cross-sectional view of a second hanging plate according to the present invention;
FIG. 5 is a schematic top view of a second hanger plate according to the present invention;
FIG. 6 is a schematic cross-sectional view of a rotating shaft according to the present invention;
FIG. 7 is a schematic bottom view of the rotating shaft according to the present invention;
FIG. 8 is a schematic top view of a ring gear according to the present invention;
FIG. 9 is a schematic top view of a hanger plate according to the present invention;
in the figure, 1, a machine body; 101. a variable amplitude oil cylinder; 102. a winch;
2. a hydraulic telescopic rod; 201. a support frame; 202. a guide wheel;
3. an upper bolster; 301. a first fixed pulley; 302. a second fixed pulley;
4. a reinforcing 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. mounting grooves; 523. a first sliding chute; 524. a through hole; 525. a threaded hole; 53. a threaded rod; 54. a movable pulley; 55. a rotating shaft; 551. a limiting strip; 552. a connecting shaft; 553. a second chute; 56. a toothed ring; 561. a limiting groove; 57. a motor; 571. a gear; 58. a hanging plate III; 581. a hook; 59. a ball bearing;
6. a lifting rope;
7. a steel box girder;
8. a wire rope;
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
It is to be understood that the terms "horizontal, vertical, top, bottom, side, above, below, symmetrical" 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 device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
The invention provides a hoisting device for steel box girder construction, which 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 amplitude-variable oil cylinder 101 is arranged on the top surface of the machine body 1, the top end of the telescopic section of the amplitude-variable oil cylinder 101 is rotatably arranged on the machine body 1, and the rotating angle of the hydraulic telescopic rod 2 on the machine body 1 is changed by the extension and contraction of the amplitude-variable oil cylinder 101, so that the amplitude-variable effect is achieved; in addition, the horizontally arranged upper bearing beam 3 is fixedly connected to the top surface of the hydraulic telescopic rod 2, the upper bearing beam 3 covers the top surface of the hydraulic telescopic rod 2, the reinforcing beam 4 is fixedly installed between the included angle formed by the upper bearing beam 3 and the hydraulic telescopic rod 2, the reinforcing beam 4 is arranged, the upper bearing beam 3 is supported, the connecting strength between the upper bearing beam 3 and the hydraulic telescopic rod 2 is enhanced, and the phenomenon that the upper bearing beam 3 is bent and broken is avoided; in addition, a rotation adjusting mechanism 5 is arranged right below the upper support beam 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 bearing beam 3 through a steel wire rope 8, wherein one end of the steel wire rope 8 is fixedly connected to a fixing plate 401 of the reinforcing beam 4, the other end of the steel wire rope 8 sequentially penetrates through the rotation adjusting mechanism 5 and the upper bearing beam 3, then extends along the direction of the hydraulic telescopic rod 2, and is finally fixedly connected with a winch 102 installed on the machine body 1, the steel wire rope 8 is wound and stored through the winch 102, the suspended length of the steel wire rope 8 is further changed, the height of the rotation adjusting mechanism 5 is adjusted by the steel wire rope 8, and the steel box beam 7 is lifted; at the in-process that steel box girder 7 promoted, through the rotation of rotating 5 self of guiding mechanism, drive steel box girder 7 and carry out the axial rotation on the horizontal direction, make steel box girder 7 also can carry out the level and turn at the in-process that rises, no longer need other auxiliary assembly and manual operation, improve the efficiency of construction of steel box girder, ensure the installation accuracy of steel box girder.
It should be noted that, as shown in fig. 2, in the embodiment of the present invention, the rotation adjusting mechanism 5 includes a first hanging plate 51 and a second hanging plate 52 that are correspondingly arranged up and down, the first hanging plate 51 and the second hanging plate 52 are horizontally arranged, a plurality of vertical and uniformly distributed threaded rods 53 are installed between the first hanging plate 51 and the second hanging plate 52 for connecting the first hanging plate 51 with the second hanging plate 52, and threaded holes 525 for installing the threaded rods 53 are respectively opened on the bottom surface of the first hanging plate 51 and the top surface of the second hanging plate 52; in addition, two movable pulleys 54 which are symmetrically arranged side by side are installed 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 by the steel wire rope 8 to synchronously move, and then the movable pulleys 54 drive the horizontally arranged first hanging plate 51 to move, so that the vertical displacement of the rotation adjusting mechanism 5 is realized; in addition, through setting up two movable pulleys 54 interval, make wire rope 8 produce a certain interval after passing two movable pulleys 54 and take place to bend, at the in-process of wire rope 8 lifting hanger plate 51, wire rope 8 is equivalent to and exerts the lifting force to the both sides of hanger plate 51 simultaneously, makes hanger plate 51 more steady at the in-process that promotes, 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 rotating shaft 55 is installed between the first hanger plate 51 and the second hanger plate 52, the rotating shaft 55 is vertically disposed, and the rotating 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 second hanger plate 52, the bottom end of the connecting shaft 552 is fixedly connected with a third hanger plate 58 which is horizontally arranged after penetrating through the second hanger plate 52, the third hanger plate 58 is a rectangular structural plate, the bottom surface of the connecting shaft 552 is fixed at the center of the top surface of the third hanger plate 58, and hooks 581 are fixedly arranged at four corners of the bottom surface of the third hanger plate 58 respectively and are used for installing and connecting a lifting rope 6 and lifting the steel box girder 7; when the steel wire rope 8 drives the first hanging plate 51 to lift, the first hanging plate 51 drives the second hanging plate 52 to lift synchronously through the threaded rod 53, so that the rotating shaft 55 arranged between the first hanging plate 51 and the second hanging plate 52 is lifted along with the first hanging plate 51 and the second hanging plate 52, and the third hanging plate 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 third hanging plate 58 is driven to axially rotate on the horizontal plane by rotating the rotating shaft 55, 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 install.
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; a horizontally arranged gear ring 56 is sleeved outside the rotating shaft 55, the gear ring 56 and the rotating shaft 55 are coaxially arranged, a horizontally arranged gear 571 is fixedly arranged on an output shaft of the motor 57, and the gear 571 is in fit engagement with the gear ring 56 for transmission; when the motor 57 is started to operate, the output shaft thereof 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 further the toothed ring 56 drives the rotating shaft 55 to synchronously rotate together, thereby realizing the adjustment of the rotating angle of the three hanger plates 58 and meeting the requirement of the accurate installation of the steel box girder 7.
Further, as shown in fig. 6 to 8, in the embodiment of the present invention, the circumferential outer wall of the rotating shaft 55 is fixed with symmetrically and uniformly distributed limiting bars 551, the limiting bars 551 are vertically arranged, a limiting groove 561 matched with the limiting bars 551 is formed on the inner side wall of the gear ring 56, the limiting bars 551 are inserted into the limiting groove 561, and the limiting installation between the limiting bars 551 and the limiting groove 561 prevents the gear ring 56 from slipping and rotating relative to the surface of the rotating shaft 55 during rotation, improves the transmission efficiency of the gear ring 56 and the rotating shaft 55, and enables the gear ring 56 and the rotating shaft 55 to stably transmit.
It should be explained that, as shown in fig. 3 to fig. 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 hanger plate 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 hanger plate 51, and the friction loss between the rotating shaft 55 and the hanger plate 51 is reduced while the rotating shaft 55 is axially rotated by the bearing one 511; in addition, the bottom end of the rotating shaft 55 is rotatably mounted on the top surface of the second hanger plate 52 through a second bearing 521, a mounting groove 522 for mounting the second bearing 521 is formed in the top surface of the second hanger 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 mounted 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 second hanger plate 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, on one hand, the connecting shaft 552 penetrates through the through hole, on the other hand, the through hole plays a role in overlapping and supporting the rotating shaft 55, and the rotating shaft 55 is prevented from falling off from the second hanger plate 52; in addition, a first sliding chute 523 is further formed in the bottom surface of the mounting groove 522, the first sliding chute 523 is of an annular structure and is coaxial with the rotating shaft 55, and the diameter of the first sliding chute 523 is larger than that of the through hole 524 and smaller than that of the inner ring of the second bearing 521; the bottom surface of the rotating shaft 55 is provided with a second sliding groove 553 corresponding to the first sliding groove 523, the first sliding groove 523 and the second sliding groove 553 form a circular channel together, a plurality of balls 59 are installed in the circular channel, the diameter of each ball 59 is slightly larger than that of the first sliding groove 523 and the second sliding groove 553, the balls 59 can roll between the first sliding groove 523 and the second sliding groove 553 in a limiting mode, and through arrangement of the balls 59, friction loss between the bottom surface of the rotating shaft 55 and the installation groove 522 is reduced, kinetic energy loss is reduced, and transmission efficiency is improved.
It should be noted that, as shown in fig. 1, in the embodiment of the present invention, the first fixed pulley 301 and the second fixed pulley 302 are respectively installed at the left and right ends of the upper bolster 3, the steel cable 8 sequentially passes around the first fixed pulley 301 and the second fixed pulley 302, and by arranging the first fixed pulley 301 and the second fixed pulley 302, on one hand, the direction of the steel cable 8 is changed, and on the other hand, the steel cable 8 is prevented from directly contacting the upper bolster 3, thereby reducing friction and power loss of the device.
Furthermore, as shown in fig. 1, in the embodiment of the present invention, a support frame 201 is installed at a middle position of the hydraulic telescopic rod 2, the support frame 201 is disposed perpendicular to the hydraulic telescopic rod 2, one end of the support frame 201 is fixed on a side wall of the hydraulic telescopic rod 2 away from the rotation adjusting mechanism 5, a guide wheel 202 rotatably installed is installed at the other end of the support frame 201, and the steel wire rope 8 is connected to the winch 102 after passing through the guide wheel 202 in an overlapping manner; 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 not hard up and the steel wire that leads to becomes to drop from last bolster 3, the installation nature that the improvement device used, the steady handling of guarantee steel box girder 7 and installation.
The use process and the principle of the device are as follows:
when the device is used, firstly, four lifting ropes 6 are respectively fixedly installed at four corner positions of a steel box girder 7 to be dispatched, 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 crossed and contacted with each other; then, the winch 102 is started, and after the winch 102 is started, a winding reel of the winch starts to wind and store the steel wire rope 8, so that the suspension length of the steel wire rope 8 is shortened, and the rotation adjusting mechanism 5 and the steel box girder are driven to lift upwards through the steel wire rope 8; when rotating adjustment mechanism 5 and lifting, open through the control and stop motor 57 among the rotation adjustment mechanism 5, drive the rotation of the pivot 55 among the rotation adjustment mechanism 5, it rotates to drive hanger plate three 58 through the rotation of pivot 55, the realization is to the adjustment of steel box girder 7 position angle, make steel box girder 7 can be at the ascending in-process of handling, the installation angle has been adjusted, after the handling rises to the assigned position, can realize steel box girder 7's quick installation of drawing close, the use and the artifical manual operation of other auxiliary assembly have been reduced, the efficiency of construction is improved, guarantee personnel's life safety.
The foregoing description of the specific embodiments of the present invention has been presented for the purposes of illustration and description and is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching, the examples having been selected and described for the purpose of illustrating the particular principles of the invention and the practical application, thereby enabling others skilled in the art to make and use various embodiments of the invention and various alternatives and modifications. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (7)
1. A hoisting device for steel box girder construction comprises a machine body (1) and a hydraulic telescopic rod (2) rotatably mounted on the machine body (1), wherein a variable amplitude oil cylinder (101) for adjusting the angle of the hydraulic telescopic rod (2) is further mounted on the machine body (1), and the hoisting device is characterized in that an upper bearing beam (3) horizontally arranged is fixed at the top end of the hydraulic telescopic rod (2), a reinforcing beam (4) is arranged at an included angle between the upper bearing beam (3) and the hydraulic telescopic rod (2), a rotation adjusting mechanism (5) for adjusting the mounting angle of a steel box girder (7) is arranged right below the upper bearing beam (3), and the rotation adjusting mechanism (5) is connected with the 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 bearer (3) through a steel wire rope (8), one end of the steel wire rope (8) is fixed on the reinforcing beam (4), and the other end of the steel wire rope sequentially penetrates through the rotation adjusting mechanism (5) and the upper bearer (3) and then is connected with a winch (102) on the machine body (1).
2. The hoisting device for the construction of the steel box girder as recited in claim 1, wherein the rotation adjusting mechanism (5) comprises a first hoisting plate (51) and a second hoisting plate (52) which are correspondingly arranged up and down, and the first hoisting plate (51) and the second hoisting plate (52) are fixedly connected through a threaded rod (53); the top surface of the first hanging plate (51) is provided with movable pulleys (54) which are symmetrically arranged side by side, and the movable pulleys (54) are lapped on the steel wire rope (8); still rotate between hanger plate one (51) and the hanger plate two (52) and install pivot (55) of vertical setting, the bottom surface of pivot (55) is fixed with rather than coaxial connecting axle (552) that sets up, connecting axle (552) run through hanger plate two (52) back fixed mounting is used for connecting hanger plate three (58) of lifting rope (6).
3. The hoisting device for the steel box girder construction according to claim 2, wherein the second hoisting plate (52) is further provided with a motor (57) for driving the rotating shaft (55) to rotate, a toothed ring (56) is sleeved on the rotating shaft (55), a horizontally arranged gear (571) is fixedly installed on an output shaft of the motor (57), and the toothed ring (56) is in meshing transmission with the gear (571).
4. The hoisting device for the construction of the steel box girder as recited in claim 3, wherein a vertically arranged limit bar (551) is fixed on the circumferential outer wall of the rotating shaft (55), a limit groove (561) matched with the limit bar (551) is arranged on the inner side wall of the gear ring (56), and the limit bar (551) is inserted and installed in the limit groove (561).
5. The hoisting device for the steel box girder construction according to claim 2, wherein the top end of the rotating shaft (55) is rotatably installed on the bottom surface of the first hoisting plate (51) through a first bearing (511), the bottom end of the rotating shaft (55) is rotatably installed on the top surface of the second hoisting plate (52) through a second bearing (521), an installation groove (522) for installing the second bearing (521) is formed on the top surface of the second hoisting plate (52), a through hole (524) for the connection shaft (552) to pass through is formed on the bottom surface of the installation groove (522), a first chute (523) is further arranged on the inner bottom surface of the installation groove (522), the first chute (523) is of a circular ring structure and is coaxially arranged with the rotating shaft (55), and a second chute (553) corresponding to the first chute (523) is arranged on the bottom surface of the rotating shaft (55), a plurality of balls (59) are arranged between the first sliding groove (523) and the second sliding groove (553).
6. The hoisting device for the construction of the steel box girder as recited in claim 1, wherein a first fixed pulley (301) and a second fixed pulley (302) are rotatably mounted on two symmetrical sides of the upper bolster (3) respectively, and the steel wire rope (8) is placed on the first fixed pulley (301) and the second fixed pulley (302).
7. The hoisting device for the steel box girder construction according to claim 1 is characterized in that a support frame (201) is installed in the middle of the hydraulic telescopic rod (2), the support frame (201) is perpendicular to the hydraulic telescopic rod (2), one end of the support frame (201) is fixedly connected to the surface of the hydraulic telescopic rod (2), and a guide wheel (202) for supporting the steel wire rope (8) in an overlapping manner is rotatably installed at the other end of the support 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 true CN114892526A (en) | 2022-08-12 |
| CN114892526B 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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117228525A (en) * | 2023-11-13 | 2023-12-15 | 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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| 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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| CN114892526B (en) | 2023-10-20 |
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