CN213231211U

CN213231211U - Lifting hook anti-swing device for bridge crane

Info

Publication number: CN213231211U
Application number: CN202022035869.3U
Authority: CN
Inventors: 贾禄瑞
Original assignee: Shandong Taiwo Heavy Industry Co ltd
Current assignee: Shandong Taiwo Heavy Industry Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-05-18
Anticipated expiration: 2030-09-17

Abstract

The utility model discloses a play to rise lifting hook anti-swing device for bridge crane, including hoist frame, hoist carriage and spacing, the internally mounted of hoist frame has the hoist pole, the toothed disc is installed to the extension end of hoist pole, the inside of hoist frame is located the below of hoist pole and installs the roll-up pole, the driven fluted disc is installed to the extension end of roll-up pole. The utility model discloses an install toothed disc and driven fluted disc in hoist frame one side, cooperation through toothed disc and driven fluted disc can drive synchronous rotation, thereby can make spacing cable wire and lift by crane the cable wire and carry out synchronous rolling, thereby effectively solved the problem of spacing cable wire at the elasticity of roll-up in-process, guaranteed that spacing cable wire carries out the same injecing to the gallows, reduced the crane frame and stopped opening, the inertia force that produces in acceleration and deceleration or the diversion motion, increase the stability of goods, the security of the in-process of having guaranteed to jack up.

Description

Lifting hook anti-swing device for bridge crane

Technical Field

The utility model relates to a hoist technical field specifically is a play to rise lifting hook anti-swing device for bridge crane.

Background

The crane is used as a multi-action hoisting machine for vertically lifting or horizontally carrying heavy objects in a designated area, and is widely applied to the current industrial field, the bridge crane can realize three-dimensional movement of the heavy objects hung on the lifting hook in space, and the bridge crane is widely applied to large warehouses, plants, docks, construction sites and the like due to the advantages of small occupied area, high working efficiency, simple structure, convenience in operation, large load capacity and the like, and the crane is operated to ensure the lifting stability, so that the lifting hook anti-swing device for the bridge crane is required to limit the crane.

The existing hoisting hook anti-swing device for the bridge crane has the following defects:

1. the conventional lifting hook anti-swing device for the bridge crane cannot be synchronized with the winding of a winch, so that a limiting steel cable is too loose or too tight, the aim of limiting the swing of the lifting hook cannot be fulfilled, and the anti-swing effect of the device is reduced;

2. the existing lifting hook anti-swing device for the bridge crane is different in tightness of limiting steel cables on two sides due to different speeds when the lifting hook anti-swing device is lifted, so that the lifting frame is inclined, goods are easily unhooked, potential safety hazards exist, and the existing problem is solved by the lifting hook anti-swing device for the bridge crane.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a play to rise lifting hook anti-swing device for bridge crane to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a lifting hook anti-swing device for a bridge crane comprises a hoisting frame, a crane walking plate and a limiting frame, wherein the hoisting frame is installed at the top of the crane walking plate through bolts, a hoisting rod is installed inside the hoisting frame, a gear disc is installed at the extending end of the hoisting rod, a hoisting steel cable is wound outside the hoisting rod, a lifting frame is installed at the bottom of the hoisting steel cable through a turntable, the limiting frame is installed inside the lifting frame through a shaft bolt, two groups of rotating rods are installed inside the limiting frame in a rolling manner, an anti-falling hook is installed at the bottom of the lifting frame through an installation shaft rod, a hook is installed in the anti-falling hook, a locking member is installed on one side of the hook through a shaft member, a reset spring is installed on the inner side of the locking member, one end of the reset spring is fixed on one side of the hook, and a winding rod is installed below the hoisting rod inside the hoisting frame, the extension end of the winding rod is provided with a driven fluted disc, and two sides of the bottom of the traveling plate of the crane are provided with guide frames.

Preferably, a protective cover is installed on one side of the winch frame, and a motor is installed on the other side of the winch frame through a bolt.

Preferably, the outer side of the winding rod is wound with a limiting steel cable, and the bottom end of the limiting steel cable penetrates through the rotating rod in the limiting frame.

Preferably, a shaft bracket is installed in the guide bracket, and two groups of guide wheels are installed in the shaft bracket.

Preferably, the top of the hook is fixedly provided with a tension sensor, and the top of the tension sensor is welded with a connecting piece.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an install toothed disc and driven fluted disc in hoist frame one side, cooperation through toothed disc and driven fluted disc can drive synchronous rotation, thereby can make spacing cable wire and lift by crane the cable wire and carry out synchronous rolling, thereby effectively solved the problem of spacing cable wire at the elasticity of roll-up in-process, guaranteed that spacing cable wire carries out the same injecing to the gallows, reduced the crane frame and stopped opening, the inertia force that produces in acceleration and deceleration or the diversion motion, increase the stability of goods, the security of the in-process of having guaranteed to jack up.

2. The utility model discloses an internally mounted at the gallows has spacing, the slip direction of spacing cable wire can be injectd through the bull stick of spacing inside, the gliding stability of cable rope has been guaranteed, the problem that the elasticity of spacing cable wire of the in-process both sides of lifting by crane is different also can be revised to the while, the elasticity of having guaranteed spacing cable wire is the same, thereby the stationarity of hoisting by crane at the hoisting by crane in-process has been guaranteed, avoid the gallows to take place the slope and lead to the potential safety hazard that the goods unhook, the security of device hoist and mount has been improved.

3. The utility model discloses an install the retaining member in one side of couple, the position of retaining member can be injectd through the reset spring of couple one side, can utilize the retaining member to make the couple form a closure, and the safety that the article promoted has been guaranteed to the unhook phenomenon of preventing to appear when promoting the object, has improved the factor of safety of device.

Drawings

Fig. 1 is a schematic front structural view of the present invention;

fig. 2 is a schematic side view of the present invention;

fig. 3 is a schematic view of a partial structure of a hoisting machine frame according to the present invention;

fig. 4 is a schematic view of the anti-unhooking local structure of the present invention.

In the figure: 1. a hoisting frame; 101. a hoisting rod; 102. a protective cover; 103. a gear plate; 104. a motor; 105. hoisting a steel cable; 2. rolling up the rod; 201. a driven fluted disc; 202. a limiting steel cable; 3. a crane walking board; 4. a guide frame; 401. a pedestal; 402. a guide wheel; 5. lifting the hanger; 501. a turntable; 502. Installing a shaft lever; 6. a limiting frame; 601. a rotating rod; 7. unhooking prevention; 701. a tension sensor; 702. hooking; 703. a locking member; 704. a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a lifting hook anti-swing device for a bridge crane comprises a hoisting frame 1, a crane walking plate 3 and a limiting frame 6, wherein the hoisting frame 1 is installed at the top of the crane walking plate 3 through bolts, the crane walking plate 3 can provide an installation position for the device, the hoisting frame 1 provides an installation position for a hoisting rod 101, the hoisting rod 101 is convenient to rotate and install, the hoisting rod 101 is installed inside the hoisting frame 1, a hoisting steel cable 105 can be wound through the hoisting rod 101, so that goods suspended by an anti-drop hook 7 can be hoisted, a gear disc 103 is installed at the extending end of the hoisting rod 101, the gear disc 103 can drive a driven gear disc 201 to rotate, a hoisting steel cable 105 is wound outside the hoisting rod 101, the hoisting steel cable 105 is made of a steel wire material with good toughness, the bearing capacity of the device is improved, a hoisting bracket 5 is installed at the bottom of the hoisting steel cable 105 through a turntable 501, the lifting frame 5 can be lifted by matching the turntable 501 with the lifting steel cable 105, the lifting steel cable 105 can conveniently correct the lifting gravity center of the lifting frame 5, the lifting stability of the lifting frame 5 is ensured, the limiting frame 6 is arranged in the lifting frame 5 through the shaft bolt, the position of the limiting steel cable 202 can be limited by the limiting frame 6, the position of the lifting frame 5 can be conveniently limited by the limiting steel cable 202, the inertia force generated in starting, stopping, accelerating and decelerating or turning motion of the lifting frame 5 is reduced, the stability of goods is improved, meanwhile, the goods are prevented from being damaged, the safety in the lifting process is improved, the lifting efficiency is ensured, the problem that the tightness of the limiting steel cables 202 on two sides of the lifting process is different can be conveniently corrected by installing the limiting frame 6 through the shaft bolt, the tightness of the limiting steel cables 202 is ensured to be the same, and the stability of the lifting frame 5 is ensured, two groups of rotating rods 601 are arranged inside the limiting frame 6 in a rolling manner, the rotating rods 601 can conveniently limit the position of the limiting steel cable 202, the lifting stability of the limiting steel cable 202 is ensured, the bottom of the lifting frame 5 is provided with an anti-drop hook 7 through an installation shaft rod 502, the anti-drop hook 7 can ensure the safety of lifted goods and avoid the dropping of the goods, a hook 702 is arranged in the anti-drop hook 7, one side of the hook 702 is provided with a locking member 703 through a shaft member, the inner side of the locking member 703 is provided with a return spring 704, one end of the return spring 704 is fixed on one side of the hook 702, the position of the locking member 703 can be limited through the return spring 704 on one side of the hook 702, the hook 702 can form a closed body by utilizing the locking member 703, the dropping phenomenon of the device when the object is lifted is prevented, the safety of the lifting of the object is ensured, the safety factor of the device is improved, the coiling rod 2 is, the extending end of the winding rod 2 is provided with a driven fluted disc 201, and two sides of the bottom of the crane walking plate 3 are provided with guide frames 4.

Furthermore, a protective cover 102 is installed on one side of the hoisting frame 1, the gear plate 103 and the driven fluted disc 201 can be protected by the protective cover 102, the damage caused by external force can be avoided, meanwhile, sundries can be prevented from entering the gear plate 103 and the driven fluted disc 201, the safety of the gear plate 103 and the driven fluted disc 201 can be ensured, a motor 104 is installed on the other side of the hoisting frame 1 through bolts, the hoisting rod 101 can be driven to rotate by the motor 104, the gear plate 103 can be driven to rotate by the rotation of the hoisting rod 101, the winding rod 2 can be driven to rotate by the matching of the gear plate 103 and the driven fluted disc 201, the hoisting rod 101 and the winding rod 2 can synchronously rotate, so that the limit steel cable 202 and the hoisting steel cable 105 can be synchronously wound, the problem that the limit steel cable 202 is too loose or too tight can be effectively solved, and the limit of the hoisting frame 5 can be equally limited, the inertia force generated by the lifting frame 5 in starting, stopping, accelerating, decelerating or turning motion is reduced, the stability of goods is improved, and the safety in the lifting process is ensured.

Further, spacing cable wire 202 has been rolled up in the outside of roll-up lever 2, and the bottom of spacing cable wire 202 runs through the inside bull stick 601 of spacing frame 6, can inject the slip direction of spacing cable wire 202 through the inside bull stick 601 of spacing frame 6, the gliding stability of cable wire rope has been guaranteed, the problem that spacing cable wire 202 is different in the elasticity of the spacing cable wire 202 of lifting by crane the in-process both sides also can be revised simultaneously, the elasticity of spacing cable wire 202 has been guaranteed to be the same, thereby the stationarity of gallows 5 in the lifting by crane in-process has been guaranteed, avoid gallows 5 to take place the slope and lead to the potential safety hazard that the goods unhook, the security of device hoist and mount has been improved.

Further, install pedestal 401 in the leading truck 4, pedestal 401 can be convenient for movable mounting have two sets of leading wheels 402, has improved leading wheel 402 pivoted flexibility, and pedestal 401's internally mounted has two sets of leading wheels 402, can carry out the wire spacing to spacing cable wire 202 through two sets of leading wheels 402, reduces the wear rate of spacing cable wire 202, prolongs the life of spacing cable wire 202.

Furthermore, a tension sensor 701 is fixedly installed at the top of the hook 702, the tension sensor 701 adopts a Z2S-100KN tension sensor, the tension generated by the hook 702 when the object is lifted can be measured through the tension sensor 701, the phenomenon of overweight of the device when the object is lifted is avoided, the potential safety hazard when the object is lifted is eliminated, the service life of the device is ensured, a connecting piece is welded at the top of the tension sensor 701, the tension sensor 701 can be conveniently fixed at the bottom of the lifting frame 5 through the matching of the connecting piece and the installation shaft rod 502, and the installation stability of the tension sensor 701 is ensured.

The working principle is as follows: the motor 104 can drive the hoisting rod 101 to rotate, the gear disc 103 can be driven to rotate by the rotation of the hoisting rod 101, the gear disc 103 and the driven fluted disc 201 can be driven to synchronously rotate, so that the limit steel cable 202 and the lifting steel cable 105 can be synchronously wound, the problem of tightness of the limit steel cable 202 in the winding process is effectively solved, the limit steel cable 202 can equally limit the lifting frame 5, the inertia force generated in starting, stopping, accelerating, decelerating or turning motion of the lifting frame 5 is reduced, the stability of goods is improved, the safety in the lifting process is ensured, the sliding direction of the limit steel cable 202 can be limited by the rotating rod 601 in the limit frame 6, the sliding stability of the steel cable is ensured, meanwhile, the problem that the tightness of the limit steel cable 202 on two sides in the lifting process is different can be corrected, and the tightness of the limit steel cable 202 is the same, thereby guaranteed the stationarity of gallows 5 in the lift by crane in-process, avoided gallows 5 to take place the slope and lead to the potential safety hazard that the goods unhook, improved the security of device hoist and mount.

The details of the present invention are well known to those skilled in the art.

Finally, it is to be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified and replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. The utility model provides a play to rise lifting hook anti-swing device for bridge crane, includes hoist frame (1), hoist walking board (3) and spacing (6), its characterized in that: the crane walking plate comprises a crane walking plate (3), a hoisting frame (1) is installed at the top of the crane walking plate through bolts, a hoisting rod (101) is installed inside the hoisting frame (1), a gear disc (103) is installed at the extending end of the hoisting rod (101), a hoisting steel cable (105) is wound outside the hoisting rod (101), a lifting frame (5) is installed at the bottom of the hoisting steel cable (105) through a turntable (501), a limiting frame (6) is installed inside the lifting frame (5) through a shaft bolt, two groups of rotating rods (601) are installed in the limiting frame (6) in a rolling mode, an anti-falling hook (7) is installed at the bottom of the lifting frame (5) through an installation shaft rod (502), a hook (702) is installed in the anti-falling hook (7), a locking piece (703) is installed on one side of the hook (702), and a reset spring (704) is installed on the inner side of the locking piece (703), and one end of a return spring (704) is fixed on one side of the hook (702), a winding rod (2) is arranged below the winding rod (101) in the winding rack (1), a driven fluted disc (201) is arranged at the extending end of the winding rod (2), and guide frames (4) are arranged on two sides of the bottom of the crane walking plate (3).

2. A lifting hook anti-sway device for a bridge crane as claimed in claim 1, wherein: a protective cover (102) is installed on one side of the winch frame (1), and a motor (104) is installed on the other side of the winch frame (1) through a bolt.

3. A lifting hook anti-sway device for a bridge crane as claimed in claim 1, wherein: the limiting steel cable (202) is wound on the outer side of the winding rod (2), and the bottom end of the limiting steel cable (202) penetrates through the rotating rod (601) inside the limiting frame (6).

4. A lifting hook anti-sway device for a bridge crane as claimed in claim 1, wherein: a shaft bracket (401) is installed in the guide frame (4), and two groups of guide wheels (402) are installed inside the shaft bracket (401).

5. A lifting hook anti-sway device for a bridge crane as claimed in claim 1, wherein: the top of the hook (702) is fixedly provided with a tension sensor (701), and the top of the tension sensor (701) is welded with a connecting piece.