CN223016341U - Overhead hoist of steel construction roof beam - Google Patents

Abstract

The utility model relates to a lifting device for a steel structure beam, comprising a gantry, an electric hoist and a hanging plate, two groups of vertically oppositely distributed and retractable anti-sway mechanisms are installed between the hanging plate and the electric hoist, and two groups of symmetrically distributed lifting devices are installed at both ends of the bottom surface of the hanging plate, the lifting devices all include vertically distributed telescopic mechanisms, the top ends of the telescopic mechanisms are connected to the hanging plates, the bottom ends of the telescopic mechanisms are all movable ends and detachably installed with hangers, the hangers all include connecting plates that are perpendicular to the hanging plates in the horizontal direction, the connecting plates and the bottom ends of the telescopic mechanisms are respectively detachably fixedly connected, and both ends of the bottom surface of the connecting plates are fixedly connected with vertically arranged L-shaped hooks, the two L-shaped hooks on each connecting plate are symmetrically arranged, and both ends of each connecting plate are also threadedly connected with tightening screws that vertically penetrate the connecting plates. When the utility model is in use, the safety hazard of I-beams falling from heights can be reduced.

Description

Overhead hoist of steel construction roof beam

Technical Field

The utility model belongs to the technical field of lifting devices, and particularly relates to a lifting device for a steel structure beam.

Background

The I-shaped beam is a relatively common structural form in the steel structure beam, at present, the I-shaped beam is required to be lifted among various working procedures in the process of producing the I-shaped beam, and most of the existing lifting devices drive a lifting appliance to lift the I-shaped beam by winding and unwinding a steel wire rope when in use, but the I-shaped beam sometimes generates play on the lifting appliance in the process of lifting, and the influence of the swinging of the steel wire rope is added, so that the potential safety hazard that the I-shaped beam falls from a high position exists, and therefore, the defects and the shortcomings still exist in the prior art.

Disclosure of utility model

The utility model aims to provide a lifting device for a steel structure beam, which solves the problems in the prior art.

In order to solve the problems, the utility model adopts the following technical scheme:

The utility model provides a overhead hoist of steel construction roof beam, includes the portal frame that has the crossbeam and can remove, sliding connection has the electric block that has the lifting hook on the crossbeam of portal frame, the hanging plate that the level set up has been hung on the lifting hook of electric block, install two sets of vertical relative distribution and telescopic anti-sway mechanism between hanging plate and the electric block, and the bottom surface both ends of hanging plate install two sets of symmetrical distribution's hoist device, hoist device all includes vertical distribution's telescopic machanism, telescopic machanism's top all is connected with the hanging plate, and telescopic machanism's bottom is the expansion end and can dismantle the installation has the gallows, the gallows all includes the connecting plate with hanging plate vertically on the horizontal direction, connecting plate and telescopic machanism's bottom is dismantling fixedly connected with respectively, and the L type couple of the equal fixedly connected with vertical setting in bottom surface both ends of connecting plate, two L type couples on every connecting plate all symmetry set up, and the both ends of every connecting plate still all threaded connection have the tight screw rod in top of vertical through connecting plate.

Further, telescopic machanism all includes the mounting panel with hanger plate parallel arrangement, all be connected through connecting bolt between four corners and the hanger plate of mounting panel, and the fixed pipe of the vertical distribution of equal fixedly connected with on the bottom surface of mounting panel, equal sliding connection has the movable rod in the fixed pipe, the bottom of movable rod all is located outside the fixed pipe and can dismantle fixed connection with the connecting plate respectively, and still all is provided with the direction spacing subassembly that can prevent the movable rod from slipping on the fixed pipe between movable rod and the fixed pipe.

Further, the guide limiting assembly comprises two slide ways which are arranged in parallel with the fixed pipe and symmetrically arranged on two side walls of the fixed pipe, gaps are reserved between the bottom end of each slide way and the bottom end of the fixed pipe, sliding blocks are connected in each slide way in a sliding manner, and the sliding blocks are respectively fixedly connected with the top of the movable rod.

Further, the screw holes are horizontally formed in the bottoms of the movable rods, connecting pipes which are vertically distributed are fixedly connected to the top surfaces of the connecting plates, connecting screws which horizontally penetrate the connecting pipes are connected to the connecting pipes in a threaded mode, and the positions of the connecting screws are opposite to the positions of the screw holes respectively.

Further, a handle positioned outside the fixed pipe is fixedly connected to one of the sliding blocks of each group of guiding limiting assemblies.

Furthermore, the two ends of the electric hoist are fixedly covered with the machine shell, the anti-swing mechanism is a multi-section telescopic rod, and the two ends of the anti-swing mechanism are fixedly connected with the machine shell and the hanging plate respectively.

Further, the portal frame is a movable portal frame with a steering function.

By adopting the technical scheme, the utility model has the beneficial effects that:

According to the utility model, on the basis of the existing portal frame, the electric hoist and the hanging plate, the swing amplitude of the hanging plate can be reduced by arranging the two groups of anti-swing mechanisms, and secondly, when the hanging plate is used, the I-shaped beam can be fixed on the hanging frame by arranging the L-shaped hook and the tightening screw rod, so that the I-shaped beam can be prevented from moving on the hanging device in the process of hanging the I-shaped beam, and the potential safety hazard that the I-shaped beam falls from a high place can be reduced.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic perspective view of a portion of the apparatus of FIG. 1;

FIG. 3 is a schematic view of a portion of the apparatus of FIG. 2;

FIG. 4 is a schematic view of the structure of FIG. 3 in a split state;

fig. 5 is a schematic structural view of fig. 2 in a use state.

Reference numeral 1, a hanger; 11, a connecting plate, 12, an L-shaped hook, 13, a tightening screw, 14, a connecting pipe, 15, a connecting screw, 2, a telescopic mechanism, 21, a mounting plate, 22, a fixed pipe, 23, a movable rod, 231, a threaded hole, 24, a guiding limiting component, 241, a slideway, 242, a sliding block, 25, a handle, 3, an anti-sway mechanism, 4, a hanging plate, 5, an electric hoist, 51, a lifting hook, 6, a portal frame, 61, a cross beam, 7, a machine shell, 8, an I-shaped beam, 81 and an upper flange plate.

Detailed Description

In order to make the objects, technical solutions and advantageous effects of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

As shown in fig. 1 to 5, the utility model provides a lifting device for a steel structure beam, which comprises a portal frame 6 with a cross beam 61 and capable of moving, wherein the portal frame 6 can drive the lifting device to integrally move in use, an electric hoist 5 with a lifting hook 51 is connected to the cross beam 61 of the portal frame 6 in a sliding manner, a lifting plate 4 arranged horizontally is hung on the lifting hook 51 of the electric hoist 5, specifically, the electric hoist 5 is in the prior art, namely, the electric hoist 5 also comprises a steel wire rope, a winding drum device, a driving wheel and the like, in use, the electric hoist 5 can move along the cross beam 61, the electric hoist 5 can drive the lifting plate 4 to lift by winding and unwinding the steel wire rope, two groups of vertically relatively distributed telescopic anti-swing mechanisms 3 are arranged between the lifting plate 4 and the electric hoist 5, and in use, the anti-swing mechanisms 3 can synchronously stretch along with the lifting of the lifting plate 4, so that the swing amplitude of the lifting plate 4 can be reduced.

Secondly, two groups of lifting devices which are symmetrically distributed are arranged at two ends of the bottom surface of the lifting plate 4, each lifting device comprises a vertically distributed telescopic mechanism 2, the top ends of the telescopic mechanisms 2 are connected with the lifting plate 4, the bottom ends of the telescopic mechanisms 2 are movable ends and are detachably provided with lifting frames 1, and in an initial state, the telescopic mechanisms 2 are in an extending state; the hanging bracket 1 comprises a connecting plate 11 which is vertical to the hanging plate 4 in the horizontal direction, and the connecting plate 11 is detachably and fixedly connected with the bottom end of the telescopic mechanism 2 respectively, so that the hanging bracket 1 can be conveniently dismounted on the telescopic mechanism 2; the two L-shaped hooks 12 are fixedly connected to two ends of the bottom surface of each connecting plate 11, the two L-shaped hooks 12 on each connecting plate 11 are symmetrically arranged, two ends of each connecting plate 11 are also in threaded connection with a tightening screw 13 vertically penetrating through the connecting plates 11, a handle is fixedly sleeved at the top end of the tightening screw 13, the tightening screw 13 is opposite to the transverse hook positions of the L-shaped hooks 12 respectively, when the lifting device is firstly moved to be positioned above the I-shaped beam 8, then after the lifting device is driven to descend to a certain height by the electric hoist 5, the lifting frame 1 can be detached from the telescopic mechanism 2, at the moment, the lifting frame 1 can be sleeved on an upper flange 81 of the I-shaped beam 8 from two ends of the I-shaped beam 8, meanwhile, the lifting device is continuously driven to descend until the bottom end of the telescopic mechanism 2 is abutted against the upper flange 81, then after the lifting frame 1 moves along the I-shaped beam 8 to be opposite to the position of the telescopic mechanism 2, the lifting frame 1 can be reinstalled on the telescopic mechanism 2, then the telescopic mechanism 2 is retracted until the L-shaped hooks 12 are abutted against the tightening screw 81 again, the bottom end of the jacking screw 13 is abutted against the upper wing plate 81, so that the I-shaped beam 8 can be fixed on the hanging frame 1, and then when the electric hoist 5 drives the hanging plate 4 to ascend, the telescopic mechanism 2 can be fully extended, so that the I-shaped beam 8 can be prevented from moving on a lifting device in the lifting process of the I-shaped beam 8, and the potential safety hazard that the I-shaped beam 8 falls from a high place is reduced.

The telescopic mechanism 2 is specifically arranged in a mode that as shown in fig. 1 to 5, the telescopic mechanism 2 comprises mounting plates 21 which are arranged in parallel with the hanging plate 4, four corners of the mounting plates 21 are connected with the hanging plate 4 through connecting bolts, specifically, when the mounting plates 21 are connected with the hanging plate 4, screw ends of the connecting bolts penetrate through the mounting plates 21 and are connected with the hanging plate 4 in a threaded mode, heads of the connecting bolts are abutted against the mounting plates 21, the telescopic mechanism 2 can be conveniently assembled and disassembled on the hanging plate 4, fixed pipes 22 which are vertically distributed are fixedly connected to the bottom surfaces of the mounting plates 21, movable rods 23 are connected in the fixed pipes 22 in a sliding mode, the bottom ends of the movable rods 23 are located outside the fixed pipes 22 and are respectively and detachably and fixedly connected with the connecting plates 11, and specifically, when the movable rods 23 slide along the fixed pipes 22, the telescopic mechanism 2 can be stretched, guide limiting assemblies 24 which can prevent the movable rods 23 from sliding off the fixed pipes 22 are also arranged between the movable rods 23 and the fixed pipes 22, and therefore when the telescopic mechanism 2 is completely stretched, the movable rods 23 can be prevented from falling off the fixed pipes 22.

The specific arrangement mode of the guiding and limiting assembly 24 is as follows, as shown in fig. 2 to 4, the guiding and limiting assembly 24 comprises two slide ways 241 which are arranged in parallel with the fixed pipe 22 and symmetrically arranged on two side walls of the fixed pipe 22, gaps exist between the bottom end of each slide way 241 and the bottom end of the fixed pipe 22, a sliding block 242 is slidably connected in each slide way 241, the sliding blocks 242 are fixedly connected with the top of the movable rod 23 respectively, specifically, when the movable rod 23 slides along the fixed pipe 22, the sliding blocks 242 can slide along the slide ways 241 respectively, at this time, the sliding blocks 242 and the slide ways 241 can guide the movable rod 23 to improve the stability of the movable rod 23 in the sliding process, and when the sliding blocks 242 move to the bottom ends of the slide ways 231, namely, when the telescopic mechanism 2 is fully extended, gaps exist between the bottom ends of the slide ways 241 and the bottom ends of the fixed pipe 22, so that the movable rod 23 can be prevented from sliding off the fixed pipe 22.

The detachable fixed connection of the bottom end of the movable rod 23 and the connecting plate 11 is specifically provided in the following manner, as shown in fig. 2, 4 and 5, the bottom of the movable rod 23 is horizontally provided with threaded holes 231, the top surface of the connecting plate 11 is fixedly connected with connecting pipes 14 which are vertically distributed, connecting screws 15 which horizontally penetrate through the connecting pipes 14 are connected on the connecting pipes 14 in a threaded manner, the positions of the connecting screws 15 are opposite to the positions of the threaded holes 231 respectively, and specifically, handles are fixedly sleeved on the outer ends of the connecting screws 15.

In order to facilitate the sliding of the movable rod 23 along the fixed tube 22, as shown in fig. 1 to 5, a handle 25 located outside the fixed tube 22 is fixedly connected to one of the sliding blocks 242 of each set of guiding and limiting assemblies 24, and in particular, by providing the handle 25, the movable rod 23 can be conveniently lifted and placed, so that the movable rod 23 can be conveniently slid along the fixed tube 22.

The swing preventing mechanism 3 is specifically arranged in the following manner that as shown in fig. 1, two ends of the electric hoist 5 are fixedly covered with a casing 7, the swing preventing mechanism 3 is a multi-section telescopic rod, two ends of the swing preventing mechanism 3 are fixedly connected with the casing 7 and the hanging plate 4 respectively, specifically, the hanging plate 4 can extend the multi-section telescopic rod under the action of gravity of the hanging plate 4 and the hanging device in the descending process, and the hanging plate 4 can retract the multi-section telescopic rod by pushing the multi-section telescopic rod in the ascending process, so that the hanging plate 4 can synchronously extend and retract in the lifting process, and the swing amplitude of the hanging plate 4 can be reduced.

Further, as shown in fig. 1, the gantry 6 is a movable gantry with a steering function, specifically, a driving mechanism with a steering function and a tire-type travelling wheel in the prior art are installed at the bottom of the gantry 6, so that the lifting device is more convenient for lifting the i-beam 8.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which are all within the scope of the claimed utility model. The scope of the utility model is defined by the appended claims and equivalents.

Claims (7)

1. The lifting device for the steel structure beam comprises a portal frame with a cross beam and capable of moving, an electric hoist with a lifting hook is connected to the cross beam of the portal frame in a sliding mode, lifting plates which are arranged horizontally are hung on the lifting hooks of the electric hoist, and the lifting device is characterized in that two groups of vertically and oppositely distributed telescopic anti-swing mechanisms are arranged between the lifting plates and the electric hoist, two groups of symmetrically distributed lifting devices are arranged at the two ends of the bottom surface of the lifting plates, each lifting device comprises vertically distributed telescopic mechanisms, the top ends of the telescopic mechanisms are connected with the lifting plates, the bottom ends of the telescopic mechanisms are movable ends and detachably provided with lifting frames, the lifting frames comprise connecting plates which are perpendicular to the lifting plates in the horizontal direction, the bottom ends of the connecting plates and the telescopic mechanisms are detachably and fixedly connected respectively, L-shaped hooks which are vertically arranged are connected to the two ends of the bottom surface of each connecting plate, the two L-shaped hooks on each connecting plate are symmetrically arranged, and the two ends of each connecting plate are also in threaded connection with a tightening screw rod which vertically penetrates through the connecting plate.

2. The lifting device of the steel structure beam, as set forth in claim 1, wherein the telescopic mechanisms comprise mounting plates parallel to the hanger plates, four corners of the mounting plates are connected with the hanger plates through connecting bolts, fixing pipes which are vertically distributed are fixedly connected to the bottom surfaces of the mounting plates, movable rods are slidably connected in the fixing pipes, bottom ends of the movable rods are located outside the fixing pipes and are detachably and fixedly connected with the connecting plates respectively, and guiding limiting assemblies which can prevent the movable rods from slipping from the fixing pipes are arranged between the movable rods and the fixing pipes.

3. The lifting device of the steel structure beam, as set forth in claim 2, wherein the guiding and limiting assembly comprises two slides which are arranged in parallel with the fixed pipe and symmetrically arranged on two side walls of the fixed pipe, a gap exists between the bottom end of each slide and the bottom end of the fixed pipe, and a sliding block is slidingly connected in each slide and is fixedly connected with the top of the movable rod respectively.

4. The lifting device for the steel structure beam, as set forth in claim 3, wherein the bottoms of the movable rods are horizontally provided with threaded holes, connecting pipes which are vertically distributed are fixedly connected to the top surfaces of the connecting plates, connecting screws which horizontally penetrate through the connecting pipes are connected to the connecting pipes in a threaded manner, and the connecting screws are respectively opposite to the threaded holes.

5. A steel structure beam lifting device according to claim 3, wherein a handle located outside the fixed pipe is fixedly connected to one of the sliding blocks of each guide limiting assembly.

6. The lifting device of the steel structure beam of claim 1, wherein the two ends of the electric hoist are fixedly covered with a shell, the anti-swing mechanism is a multi-section telescopic rod, and the two ends of the anti-swing mechanism are fixedly connected with the shell and the lifting plate respectively.

7. The hoisting device for steel structure beams according to claim 1, wherein the gantry is a movable gantry with a steering function.