CN214780284U - Hoisting appliance for H-shaped steel beam - Google Patents
Hoisting appliance for H-shaped steel beam Download PDFInfo
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- CN214780284U CN214780284U CN202121354892.7U CN202121354892U CN214780284U CN 214780284 U CN214780284 U CN 214780284U CN 202121354892 U CN202121354892 U CN 202121354892U CN 214780284 U CN214780284 U CN 214780284U
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- shaped steel
- steel beam
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Abstract
The utility model discloses a hoist and mount utensil for H shaped steel roof beam, include: the lifting arm is provided with two pairs of clamping components for clamping the H-shaped steel beam and an angle adjusting component for adjusting the lifting angle of the H-shaped steel beam; the supporting part parallel to the flange plate is arranged on the clamping assembly, so that the lower surface of the flange plate is in surface contact with the upper surface of the supporting part, and the damage of stress concentration to the flange plate caused by point contact can be effectively avoided; the angle adjusting assembly for adjusting the angle of the H-shaped steel beam is arranged on the suspension arm and consists of the fixed chain wheel and the movable pulley, so that the installation angle of the H-shaped steel beam can be adjusted in the hoisting process.
Description
Technical Field
The utility model belongs to the technical field of hoist and mount utensil, concretely relates to hoist and mount utensil for H shaped steel roof beam.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The H-shaped steel beam is an economic section efficient section with more optimized section area distribution and more reasonable strength-weight ratio, and is named because the section is the same as the English letter H. Because all parts of the H-shaped steel beam are arranged at right angles, the H-shaped steel beam has the advantages of strong bending resistance, simple construction, cost saving, light structure weight and the like in all directions and is widely applied.
In the installation of steel structure engineering, a large number of H-shaped steel beams are transported and installed, and the hoisting device is frequently used. At present, most hoisting devices for H-shaped steel beams are in point contact when clamping flange plates, and stress concentration is easily caused on the H-shaped steel beams with the weight of more than 10 tons, so that the flange plates are deformed and damaged in the hoisting process; in addition, after the existing hoisting device hoists the H-shaped steel beam, the posture of the hoisting device is usually fixed, but the hoisting device can be used in combination to complete the installation in a certain angle in special occasions, so that time and labor are wasted, and the construction efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hoist and mount utensil for H shaped steel roof beam, this utensil can solve the flange board damage deformation that stress concentration leads to, angle regulation complicacy scheduling problem.
In order to achieve the above purpose, the present invention is realized by the following technical solution:
an embodiment of the utility model provides a hoist and mount utensil for H shaped steel roof beam, include: the davit, be equipped with the two pairs of centre gripping subassemblies that are used for centre gripping H shaped steel roof beam on the davit, and set up in the davit both sides relatively, the centre gripping subassembly is equipped with the supporting part that is used for supporting H shaped steel flange plate lower surface to and be used for connecting the rake of davit and supporting part, and has the triangular groove between supporting part and the rake, be equipped with the closing device who compresses tightly H shaped steel roof beam flange plate upper surface on the rake, the upper surface of supporting part is parallel with the lower surface of H shaped steel roof beam flange plate.
As a further technical scheme, the lower end of the suspension arm is provided with a pin shaft for hinging two pairs of clamping components.
As a further technical scheme, the clamping assemblies on each side of the suspension arm are connected through a pin shaft, and the pin shaft comprises an upper pin shaft arranged on the upper portion of the inclined portion and a lower pin shaft arranged on the lower portion of the inclined portion.
As a further technical scheme, the suspension arm is further provided with an angle adjusting assembly for adjusting the hoisting angle of the H-shaped steel, and the angle adjusting assembly comprises a fixed chain wheel and two movable pulleys which are oppositely arranged.
As a further technical scheme, the movable pulley is respectively arranged on two sides of the suspension arm, the fixed chain wheel is wound with a chain, the movable pulley is wound with a rope, one end of the chain is connected with one end of the rope, the other end of the rope is connected with the upper pin shaft, and the movable pulley is connected with the lower pin shaft through another rope.
As a further technical scheme, the upper surface of the inclined part is provided with a threaded through hole.
As a further technical scheme, closing device includes the threaded rod, the threaded rod passes through the screw through-hole is connected with the rake, threaded rod one end is equipped with the cake board that is used for compressing tightly H shaped steel roof beam flange board upper surface, and the other end is equipped with the allen.
As a further technical scheme, a through hole is formed in the suspension arm, and a fixed chain wheel pin shaft for fixing a fixed chain wheel is installed in the through hole.
As a further technical scheme, the suspension arm is provided with a motor for providing driving force for the pin shaft.
As a further technical scheme, a lifting ring is arranged on the lifting arm.
Above-mentioned the utility model has the advantages as follows:
(1) the utility model is provided with two pairs of clamping components, and the clamping components are provided with the supporting parts parallel to the flange plates, so that the lower surfaces of the flange plates are in surface contact with the upper surfaces of the supporting parts, and the damage of stress concentration to the flange plates caused by point contact can be effectively avoided;
(2) the angle adjusting assembly which is composed of the fixed chain wheel and the movable pulley and used for adjusting the angle of the H-shaped steel beam is arranged on the suspension arm, so that the installation angle of the H-shaped steel beam can be adjusted in the hoisting process;
(3) because the angle adjusting component adopts a movable pulley structure, the driving force of the motor can be reduced.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
FIG. 1 is a front view of the lifting device of the present invention;
FIG. 2 is a side view of the hoisting device of the present invention;
FIG. 3 is a side view of the lifting device of the present invention;
FIG. 4 is a view of the hoisting device of the present invention normally clamping an H-shaped steel beam;
FIG. 5 is a view of the lifting device of the present invention clamping an H-shaped steel beam with a changed angle;
fig. 6 is a front view of the clamping assembly of the present invention.
In the figure: 1 davit, 2 centre gripping subassemblies, 3H shaped steel roof beam, 4 closing device, 5 motors, 6 round pin axles, 7 last round pin axles, 8 lower round pin axles, 9 fixed sprocket round pin axles, 10 fixed sprockets, 11 rings, 12 screw through-holes, 13 chains, 14 ropes, 15 movable pulleys, 16 supporting parts, 17 inclinations.
The spacing or dimensions between each other are exaggerated to show the location of the various parts, and the illustration is for illustrative purposes only.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, unless the invention expressly state otherwise, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the words "upper", "lower", "left" and "right" in the present application, if any, merely indicate correspondence with the upper, lower, left and right directions of the drawings themselves, and do not limit the structure, but merely facilitate the description of the present invention and simplify the description, rather than indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
The term "install", "connect", and "fix" in the present invention should be understood in a broad sense, for example, they may be fixedly connected, detachably connected, or integrated; the two components can be connected mechanically, directly or indirectly through an intermediate medium, or connected internally or in an interaction relationship, and those skilled in the art can understand the specific meaning of the above terms in the present invention according to specific situations.
Just as the background art introduces, there are flange board damage deformation, angle regulation complicacy scheduling problem that stress concentration leads to among the prior art, in order to solve above-mentioned technical problem, the utility model provides a hoist and mount utensil for H shaped steel roof beam.
In a typical embodiment of the present invention, as shown in fig. 1, fig. 2 and fig. 6, there is provided a hoisting device for an H-shaped steel beam, which specifically includes: the suspension arm 1 is provided with two pairs of clamping components 2 for clamping an H-shaped steel beam, the two pairs of clamping components 2 are oppositely arranged on two sides of the suspension arm 1, the clamping assembly 2 is provided with a support part 16 for supporting the lower surface of the flange plate of the H-shaped steel beam 3, and an inclined part 17 for connecting the suspension arm with the supporting part, and a triangular groove is arranged between the supporting part 16 and the inclined part 17, the triangular groove can enable the clamping component 2 to more easily clamp the H-shaped steel beam 3, the inclined part 17 is provided with a pressing device 4 for pressing the upper surface of the flange plate of the H-shaped steel beam, the upper surface of the supporting part 16 is parallel to the lower surface of the flange plate of the H-shaped steel 3, through be provided with the supporting part parallel with the flange board at the centre gripping subassembly, make the lower surface of flange board and the upper surface realization surface contact of supporting part, can effectively avoid the damage to the flange board because the stress concentration that the point contact caused.
In this embodiment, the lower end of the boom 1 is provided with a pin 6 for hinging the two pairs of clamping assemblies 2, so that the two pairs of clamping assemblies can be rotatably connected.
In this embodiment, the clamping assemblies 2 on each side of the suspension arm 1 are connected through a pin shaft, the pin shaft includes an upper pin shaft 7 disposed on the upper portion of the inclined portion 17 and a lower pin shaft 8 disposed on the lower portion of the inclined portion 17, and the upper pin shaft 7 and the lower pin shaft 8 can enable the clamping assemblies 2 on both sides of the suspension arm 1 to form a whole, so that the synchronization of actions is realized during clamping, and a fulcrum is provided for the angle adjusting assembly.
In this embodiment, as shown in fig. 4, an angle adjusting assembly for adjusting the hoisting angle of the H-shaped steel beam 3 is further disposed on the boom 1, and the angle adjusting assembly includes a fixed chain wheel 10 and two movable pulleys 15 disposed opposite to each other.
In this embodiment, the two sides of the suspension arm 1 are respectively arranged on the movable pulley 15, the fixed chain wheel 10 is wound with the chain 13 to prevent relative sliding between the fixed chain wheel and the chain, the rope 14 is wound on the movable pulley, one end of the chain 13 is connected with one end of the rope 14, the other end of the rope 14 is connected with the upper pin shaft 7, and the movable pulley 15 is connected with the lower pin shaft 8 through another rope. The angle adjusting assembly which is composed of the fixed chain wheel 10 and the movable pulley 15 and used for adjusting the angle of the H-shaped steel beam 3 is arranged on the suspension arm 1, so that the installation angle of the H-shaped steel beam 3 can be adjusted in the hoisting process, and the driving force of a motor is reduced due to the movable pulley arranged in the angle adjusting assembly. In addition, the movable pulley is a movable pulley in the prior art, and the specific structure of the movable pulley is not described herein again. It should also be noted that when setting up chain and rope length, the angle adjusting part just is in the tight state after the centre gripping subassembly centre gripping H shaped steel roof beam is accomplished, just so is favorable to realizing the angle modulation.
In the present embodiment, as shown in fig. 2, the inclined portion 17 is provided with a threaded through hole 12 on the upper surface.
In this embodiment, closing device includes the threaded rod, the threaded rod passes through threaded through-hole 12 is connected with slope 17, threaded rod one end is equipped with the cake board that is used for compressing tightly H shaped steel 3 flange board upper surface, and the other end is equipped with the allen. And the threaded rod is screwed by the hexagon socket wrench, so that the cake plate is pressed on the upper surface of the flange plate, and the stability of the H-shaped steel beam in the hoisting process is ensured.
In the present embodiment, as shown in fig. 3, the boom 1 is provided with a through hole, and a fixed sprocket pin 9 for fixing a fixed sprocket is installed in the through hole. The suspension arm can be made of a steel plate through linear cutting processing, wherein the through hole is processed in a linear cutting mode or a milling mode, then a pin shaft hole penetrating through the through hole is processed through a drill bit, the pin shaft is installed in the pin shaft hole, and the pin shaft is in key connection with the fixed chain wheel.
In this embodiment, the boom 1 is provided with a motor 5 for providing a driving force to the pin 6. The side surface of the suspension arm is drilled with a threaded hole, a base of the motor is connected with the suspension arm through a bolt, and a rotating shaft of the motor is fixedly connected with a pin shaft and can also be a whole.
In this embodiment, the suspension arm 1 is provided with a suspension ring 11, which can be used to fix a steel wire rope on a hoisting device.
The working principle of the embodiment is as follows: as shown in fig. 4 and 5, two pairs of clamping assemblies are rotated to open the clamping assemblies, then the flange plates of the H-shaped steel beams are clamped, the supporting parts are in full surface contact with the flange plates, meanwhile, the threaded rods are screwed to enable the cake plates to move downwards to press the flange plates, and normal hoisting operation can be performed at the moment. When different angles are needed to be installed, the motor is started to drive the fixed chain wheel to rotate, the motor is stopped when the clamping assembly is inclined to the needed angle, and when the angle is not needed to be installed, the clamping assembly is restored to the original position by reversing the motor.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A lifting device for H-shaped steel beams is characterized by comprising: the davit, be equipped with the two pairs of centre gripping subassemblies that are used for centre gripping H shaped steel roof beam on the davit, and set up in the davit both sides relatively, the centre gripping subassembly is equipped with the supporting part that is used for supporting H shaped steel roof beam flange board lower surface to and be used for connecting the rake of davit and supporting part, and has the triangular groove between supporting part and the rake, be equipped with the closing device who compresses tightly the flange board upper surface on the rake, the upper surface of supporting part is parallel with the lower surface of H shaped steel roof beam flange board.
2. A lifting device for an H-section steel beam as claimed in claim 1 wherein the lower end of the boom is provided with a pin for hinging two pairs of clamping assemblies.
3. A lifting device for an H-section steel beam as claimed in claim 1 wherein the clamp assemblies on each side of the boom are connected by a pin comprising an upper pin on the upper portion of the inclined portion and a lower pin on the lower portion of the inclined portion.
4. The hoisting device for H-shaped steel beams as claimed in claim 3, wherein the suspension arm is further provided with an angle adjusting assembly for adjusting the hoisting angle of the H-shaped steel beams, and the angle adjusting assembly comprises a fixed chain wheel and two movable pulleys which are oppositely arranged.
5. The hoisting device for H-shaped steel beam as claimed in claim 4, wherein the movable pulley is arranged on two sides of the boom, the fixed chain wheel is wound with a chain, the movable pulley is wound with a rope, one end of the chain is connected with one end of the rope, the other end of the chain is connected with the upper pin shaft, and the movable pulley is connected with the lower pin shaft through another rope.
6. A lifting device for an H-section steel beam as claimed in claim 1, wherein the inclined portion is provided at an upper surface thereof with a screw through hole.
7. The hoisting device for H-shaped steel beams as claimed in claim 6, wherein the pressing device comprises a threaded rod, the threaded rod is connected with the inclined part through the threaded through hole, one end of the threaded rod is provided with a cake plate for pressing the upper surface of the flange plate of the H-shaped steel beam, and the other end of the threaded rod is provided with an inner hexagon.
8. A lifting device for H-section steel beams as claimed in claim 1, wherein the boom is provided with a through hole in which a fixed sprocket pin for fixing a fixed sprocket is installed.
9. A lifting appliance for an H-section steel beam as claimed in claim 8, wherein the boom is provided with a motor to provide a driving force to the pin.
10. A lifting device for an H-section steel beam as claimed in claim 1 wherein the boom is provided with a hoist ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121354892.7U CN214780284U (en) | 2021-06-17 | 2021-06-17 | Hoisting appliance for H-shaped steel beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121354892.7U CN214780284U (en) | 2021-06-17 | 2021-06-17 | Hoisting appliance for H-shaped steel beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214780284U true CN214780284U (en) | 2021-11-19 |
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ID=78713388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121354892.7U Active CN214780284U (en) | 2021-06-17 | 2021-06-17 | Hoisting appliance for H-shaped steel beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214780284U (en) |
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2021
- 2021-06-17 CN CN202121354892.7U patent/CN214780284U/en active Active
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