CN210480641U

CN210480641U - Crane protection device

Info

Publication number: CN210480641U
Application number: CN201921378490.3U
Authority: CN
Inventors: 姚志芳; 于辉
Original assignee: Henan Triple Crane Co Ltd
Current assignee: Henan Triple Crane Co Ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-05-08
Anticipated expiration: 2029-08-23

Abstract

The utility model discloses a crane protection device, which comprises a main beam, an electric hoist, a fixing frame and a protruding part, wherein the fixing frame is of a U-shaped structure with a downward opening, two protruding parts are oppositely arranged on the fixing frames at two sides, two ends of a motor of the electric hoist are respectively provided with an anti-collision device, and the side surface of a hook group of the electric hoist is provided with an annular buckle; there is the drawing drum in the side of the mount of one side through pivot vertical fixation, rope one end and drawing drum fixed connection, and the accessible drawing drum carries out the rolling, and the other end of rope is connected with the go-between, and the go-between is connected with the buckle, the utility model discloses add the buckle on lifting hook group, be equipped with the drawing drum on the mount simultaneously, swing joint is realized with the buckle to the go-between through rope one end on the drawing drum, when electric block carries out the operation, the operating personnel accessible carries out receiving and releasing of rope to the rotation of drawing drum, reaches the swing range of the goods of carry on control lifting hook group and the lifting hook, avoids operating personnel to hold with the hand, reduces danger.

Description

Crane protection device

Technical Field

The utility model relates to a hoist technical field specifically is a hoist protector.

Background

The electric single-beam crane is a light and small hoisting device, runs on an I-shaped steel track, is divided into an electric crane and a manual crane, and has weights hung on the electric crane and the manual crane, so that the electric single-beam crane is simpler and more in application.

However, some unreasonable factors still exist when the existing electric single-beam crane is used, when the existing electric single-beam crane works, goods are prone to swing in the air due to the movement of the electric hoist when the lifting hook lifts the goods, the swing amplitude is reduced in the existing manual holding mode, the mode is prone to causing damage to hand holding personnel, and risks exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hoist protector 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 crane protection device comprises a main beam and a supporting mechanism, wherein an electric hoist is arranged on the main beam, the supporting mechanism comprises a fixed frame and two protruding parts, the fixed frame is of a U-shaped structure with a downward opening, the two protruding parts are oppositely fixed on two sides of the fixed frame, and two ends of a motor of the electric hoist are provided with anti-collision devices; the side surface of a hook group of the electric hoist is provided with an annular buckle, the buckle comprises a fixed block, a movable block, a fixed shaft and a torsion spring, the side surface of the fixed block is fixedly connected with the side surface of the hook group, one end of the fixed block is rotatably connected with one end of the movable block through the fixed shaft, the fixed block and the movable block are provided with inward grooves at the positions connected with the fixed shaft, the torsion spring is arranged in the grooves, the outer wall of the fixed shaft is connected with the inner ring of the torsion spring, and the two ends of the torsion spring are respectively fixed in the fixed block; the side of the fixing frame on one side is vertically fixed with a pay-off reel through a rotating shaft, one end of a rope is fixedly connected with the pay-off reel and can be wound through the pay-off reel, the other end of the rope is connected with a connecting ring, and the connecting ring is connected with a buckle.

As a further aspect of the present invention: the fixed block and the movable block are semi-annular strip-shaped blocks, and the fixed block and the movable block are connected through a fixed shaft to form an annular buckle.

As a further aspect of the present invention: the anti-collision device comprises a fixed clamping ring, springs and a rubber pad, the fixed clamping ring is screwed up and fixed at two ends of a motor of the electric hoist through bolts, and the fixed clamping ring is connected with the rubber pad through the springs.

As a further aspect of the present invention: the diameter of the inner wall of the torsion spring is equal to that of the fixed shaft.

As a further aspect of the present invention: the outside of drawing drum is connected with changes the handle, rotates drawing drum through changeing the handle.

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

1. the utility model discloses add the buckle on the lifting hook group, be equipped with the drawing drum on the mount simultaneously, swing joint is realized with the buckle to the go-between through rope one end on the drawing drum, when electric block carries out the operation, and the operating personnel accessible carries out receiving and releasing of rope to the rotation of drawing drum, reaches the swing range of the goods of carry on control lifting hook group and lifting hook, avoids operating personnel to hold by hand, reduces danger.

2. The utility model discloses set up buffer stop at the both ends of electric block's motor, reduce at electric block during operation because the too fast impact force that leads to electric block and bellying striking of moving, be favorable to protecting electric block integrality and mount stability.

Drawings

Fig. 1 is a schematic structural diagram of a crane protection device.

Fig. 2 is a schematic structural view of a hook group in a crane protection device.

Fig. 3 is a schematic structural diagram of an anti-collision device in a crane protection device.

Fig. 4 is a schematic structural view of a snap connection in a crane guard.

As shown in the figure: girder 1, electric block 2, mount 3, bellying 4, buffer stop 5, lifting hook group 6, rubber pad 7, snap ring 8, fixed block 9, movable block 10, fixed axle 11, torsional spring 12, drawing drum 13, rope 14, go-between 15, spring 16, motor 17, buckle 18.

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.

Referring to fig. 1 to 4, in an embodiment of the present invention, a crane protection device includes a main beam 1 and a support mechanism, an electric hoist 2 is disposed on the main beam 1, the support mechanism includes a fixed frame 3 and two protruding portions 4, the fixed frame 3 is a U-shaped structure with a downward opening, the two protruding portions 4 are oppositely fixed on two sides of the fixed frame 3, two ends of a motor 17 of the electric hoist 2 are both provided with anti-collision devices 5, so as to prevent the motor 17 of the electric hoist 2 from moving too fast to collide with the protruding portions 4 on the fixed frame 3 when moving left and right, which may cause damage to the motor 17 or cause instability to the fixed frame 3;

the anti-collision device 5 comprises a fixed clamping ring 8, springs 16 and a rubber pad 7, the fixed clamping ring 8 is screwed and fixed at two ends of a motor 17 of the electric hoist 2 through bolts, and the fixed clamping ring 8 is connected with the rubber pad 7 through the springs 16;

the side surface of a hook group 6 of the electric hoist 2 is provided with an annular buckle 18, the buckle 18 comprises a fixed block 9, a movable block 10, a fixed shaft 11 and a torsion spring 12, the side surface of the fixed block 9 is fixedly connected to the side surface of the hook group 6, the fixed block 9 and the movable block 10 are both semi-annular strip-shaped blocks, one end of the fixed block 9 is rotatably connected with one end of the movable block 10 through the fixed shaft 11, the fixed block 9 and the movable block 10 are connected through the fixed shaft 11 to form the annular buckle 18, the fixed block 9 and the movable block 10 are provided with inward grooves at the positions connected with the fixed shaft 11, the torsion spring 12 is arranged in the grooves, the outer wall of the fixed shaft 11 is connected with the inner ring of the torsion spring 12, the diameter of the inner wall of the torsion spring 12 is equal to that of the;

there is drawing drum 13 in the side of mount 3 of one side through pivot vertical fixation, 14 one end of rope and drawing drum 13 fixed connection, and accessible drawing drum 13 carries out the rolling, the outside of drawing drum 13 is connected with changes the handle, rotate drawing drum 13 through changeing the handle, the other end of rope 14 is connected with go-between 15, go-between 15 is connected with buckle 18, carry out the synchronization operation through manual control drawing drum 13 and electric block 2 in electric block 2 operation, through tightening up drawing drum 13 and loosening the amplitude of oscillation of the goods of hanging on control hook group 6 and the lifting hook, prevent to swing too big the goods that leads to the appearance of goods and fall or strike etc..

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 referred to 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", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, 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.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention, and the following claims are therefore to be read in this light of the appended claims.

Claims

1. A crane protection device comprises a main beam (1) and a support mechanism, wherein an electric hoist (2) is arranged on the main beam (1), the support mechanism comprises a fixed frame (3) and two bulges (4), the fixed frame (3) is of a U-shaped structure with a downward opening, and the two bulges (4) are oppositely fixed on two sides of the fixed frame (3), and the crane protection device is characterized in that anti-collision devices (5) are arranged at two ends of a motor (17) of the electric hoist (2); the side surface of a hook group (6) of the electric hoist (2) is provided with an annular buckle (18), the buckle (18) comprises a fixed block (9), a movable block (10), a fixed shaft (11) and a torsion spring (12), the side surface of the fixed block (9) is fixedly connected to the side surface of the hook group (6), one end of the fixed block (9) is rotatably connected with one end of the movable block (10) through the fixed shaft (11), the fixed block (9) and the movable block (10) are provided with inward grooves at the positions connected with the fixed shaft (11), the torsion spring (12) is arranged in the grooves, the outer wall of the fixed shaft (11) is connected with the inner ring of the torsion spring (12), and two ends of the torsion spring (12) are respectively fixed in the fixed block (9) and the movable block (10); a pay-off reel (13) is vertically fixed on the side face of the fixing frame (3) on one side through a rotating shaft, one end of a rope (14) is fixedly connected with the pay-off reel (13) and can be wound through the pay-off reel (13), the other end of the rope (14) is connected with a connecting ring (15), and the connecting ring (15) is connected with a buckle (18).

2. A crane protection device according to claim 1, wherein the fixed block (9) and the movable block (10) are semi-annular strip blocks, and the fixed block (9) and the movable block (10) are connected through a fixed shaft (11) to form an annular buckle (18).

3. The crane protection device according to claim 1, wherein the anti-collision device (5) comprises a fixed snap ring (8), springs (16) and a rubber pad (7), the fixed snap ring (8) is fixed at two ends of a motor (17) of the electric hoist (2) through bolt tightening, and the fixed snap ring (8) is connected with the rubber pad (7) through the springs (16).

4. A crane protection according to claim 1, characterized in that the torsion spring (12) has an inner wall diameter equal to the diameter of the stationary shaft (11).

5. A crane protection device according to claim 1, wherein a turning handle is connected to the outside of the pay-off reel (13), and the pay-off reel (13) is turned by the turning handle.